/* ===== Design Tokens ===== */
:root {
  --bg-dark: #0a0a0a;
  --bg-card: #111111;
  --bg-light: #f4f1ec;
  --bg-light-alt: #eae6e0;
  --text-white: #ffffff;
  --text-muted: rgba(255, 255, 255, 0.55);
  --text-dark: #1a1a1a;
  --text-dark-muted: #5a5a5a;
  --accent: #c4a882;
  --accent-hover: #d4bc9a;
  --accent-glow: rgba(196, 168, 130, 0.35);
  --border: rgba(255, 255, 255, 0.08);
  --border-dark: rgba(0, 0, 0, 0.08);
  --font-display: 'Cormorant', 'Forum', Georgia, serif;
  --font-serif: var(--font-display);
  --font-sans: 'Manrope', system-ui, sans-serif;
  --container: 1280px;
  --header-h: 72px;
  --radius: 2px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
  --transition: 0.45s var(--ease);
}

a[href^="tel:"] {
  font-family: var(--font-sans);
  font-variant-numeric: tabular-nums;
}

html {
  scroll-behavior: smooth;
  margin: 0;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-white);
  background: var(--bg-dark);
  max-width: 100%;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

*, *::before, *::after { box-sizing: border-box; }

@media (hover: hover) and (pointer: fine) {
  body.has-cursor { cursor: none; }
}

body.preloading { overflow: hidden; }

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul { list-style: none; }
button { border: none; background: none; cursor: pointer; font: inherit; color: inherit; }

::selection {
  background: var(--accent);
  color: var(--bg-dark);
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul { list-style: none; }
button { border: none; background: none; cursor: pointer; font: inherit; color: inherit; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section--light {
  background: var(--bg-light);
  color: var(--text-dark);
}

/* ===== Typography ===== */
.section-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-tag--dark { color: var(--text-dark-muted); }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 20px;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  background: var(--accent);
  margin-top: 20px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.8s var(--ease);
}

.reveal.visible .section-title::after,
.section-head.visible .section-title::after {
  transform: scaleX(1);
}

.section-title--dark { color: var(--text-dark); }

.section-desc {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.7;
}

.section-desc--dark { color: var(--text-dark-muted); }

.section-head {
  margin-bottom: 56px;
}

.section-head .section-desc { margin-top: 12px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: var(--radius);
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--text-white);
  color: var(--bg-dark);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn--primary:hover {
  background: var(--accent);
  color: var(--bg-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px var(--accent-glow);
}

.btn--shine::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.4) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.btn--shine:hover::before {
  transform: translateX(100%);
}

.btn--outline {
  border: 1px solid var(--border);
  color: var(--text-white);
}

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--ghost {
  border-bottom: 1px solid rgba(255, 255, 255, 0.4);
  padding: 14px 0;
  border-radius: 0;
}

.btn--ghost:hover { color: var(--accent); border-color: var(--accent); }

.btn--whatsapp {
  background: #25d366;
  color: #fff;
}

.btn--whatsapp:hover { background: #1fb855; color: #fff; }

.btn--sm { padding: 10px 20px; font-size: 11px; }
.btn--lg { padding: 18px 36px; font-size: 13px; }

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: var(--bg-dark);
  transform: translateY(0);
  transition: transform 0.5s var(--ease);
}

.header.hidden {
  transform: translateY(-100%);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo img {
  height: 44px;
  width: auto;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.3));
}

.header__nav {
  display: flex;
  gap: clamp(18px, 2vw, 28px);
}

.header__nav a {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.75);
  position: relative;
}

.header__nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}

.header__nav a:hover,
.header__nav a.active,
.header__nav a.is-current { color: var(--text-white); }

.header__nav a:hover::after,
.header__nav a.active::after,
.header__nav a.is-current::after { width: 100%; }

.header__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header__phone {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--text-white);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  transition: color var(--transition);
  white-space: nowrap;
}

.header__phone:hover {
  color: var(--accent);
}

.header__burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 28px;
  padding: 4px 0;
}

.header__burger span {
  display: block;
  height: 1.5px;
  background: var(--text-white);
  transition: var(--transition);
}

/* ===== Mobile Menu ===== */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: var(--bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.mobile-menu.active { opacity: 1; visibility: visible; }

.mobile-menu__close {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 32px;
  color: var(--text-muted);
}

.mobile-menu nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.mobile-menu a {
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--text-white);
}

.mobile-menu a.btn--primary {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.2;
  color: var(--bg-dark);
  width: min(100%, 260px);
  justify-content: center;
  white-space: nowrap;
}

.mobile-menu a.btn--primary:hover {
  color: var(--bg-dark);
  background: var(--accent);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 0.38fr) minmax(0, 0.62fr);
}

.hero__media {
  position: relative;
  overflow: hidden;
}

.hero__slider {
  position: absolute;
  inset: 0;
  touch-action: pan-y;
  overscroll-behavior-x: contain;
}

.stats__viewport,
.portfolio__viewport,
.stone__viewport,
.ecosystem__viewport,
.portfolio-lightbox__stage,
.stone-modal__media > img {
  touch-action: pan-y;
  overscroll-behavior-x: contain;
}

.hero__slider img,
.stats__slide,
.portfolio__slide,
.stone-card,
.ecosystem__viewport,
.portfolio-lightbox__stage img,
.stone-modal__media > img {
  -webkit-user-drag: none;
  user-select: none;
}

.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1.1s var(--ease), transform 1.1s var(--ease), visibility 1.1s;
  z-index: 0;
}

.hero__slide.is-active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.hero__slide.is-active.is-leaving {
  opacity: 0;
  z-index: 2;
}

.hero__slide.is-active.is-entering-next,
.hero__slide.is-active.is-entering-prev {
  animation: heroFadeIn 1.1s var(--ease) forwards;
}

.hero__slide.is-active.is-leaving-next,
.hero__slide.is-active.is-leaving-prev {
  animation: heroFadeOut 1.1s var(--ease) forwards;
}

.hero__slide.is-active.is-entering-next .hero__img,
.hero__slide.is-active.is-entering-prev .hero__img {
  animation: heroImgIn 1.1s var(--ease) forwards;
}

.hero__slide.is-active.is-leaving-next .hero__img,
.hero__slide.is-active.is-leaving-prev .hero__img {
  animation: heroImgOut 1.1s var(--ease) forwards;
}

.hero__slide.is-active:not(.is-leaving):not(.is-entering-next):not(.is-entering-prev) .hero__img {
  animation: heroImgHold 7s ease-out forwards;
}

@keyframes heroFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes heroFadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

@keyframes heroImgIn {
  from { transform: scale(1.08); }
  to { transform: scale(1); }
}

@keyframes heroImgHold {
  from { transform: scale(1); }
  to { transform: scale(1.06); }
}

@keyframes heroImgOut {
  from { transform: scale(1.06); }
  to { transform: scale(1.1); }
}

.hero__media img,
.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transform-origin: center center;
}

.hero__media-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 10, 10, 0.4) 0%, rgba(10, 10, 10, 0.1) 35%, transparent 65%);
  pointer-events: none;
  z-index: 2;
}

.hero__nav {
  position: absolute;
  right: clamp(24px, 4vw, 48px);
  bottom: clamp(28px, 4vh, 40px);
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px;
  background: rgba(10, 10, 10, 0.72);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.hero__nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--text-white);
  border: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition), background var(--transition), transform 0.3s var(--ease);
}

.hero__nav-btn:hover {
  color: var(--accent);
  border-color: rgba(196, 168, 130, 0.35);
  background: rgba(196, 168, 130, 0.08);
}

.hero__nav-btn:active {
  transform: scale(0.94);
}

.hero__nav-counter {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 64px;
  justify-content: center;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  padding: 0 8px;
  user-select: none;
}

.hero__nav-counter #heroCurrent {
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 400;
}

.hero__nav-sep {
  opacity: 0.35;
}

.hero__panel {
  background: var(--bg-dark);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: calc(var(--header-h) + 48px) clamp(32px, 4vw, 56px) 80px clamp(40px, 5vw, 72px);
}

.hero__panel-inner {
  width: 100%;
  max-width: none;
}

.hero__logo {
  height: 56px;
  width: auto;
  margin-bottom: 40px;
  opacity: 0.9;
}

.hero__eyebrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
  line-height: 1.8;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4.2vw, 54px);
  font-weight: 300;
  line-height: 1.32;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 36px;
}

.hero__subtitle {
  font-size: clamp(12px, 1.1vw, 14px);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 56px;
  line-height: 2;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
}

.hero-anim {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: calc(var(--d, 0) * 0.12s + 0.3s);
}

body.loaded .hero-anim {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Stats ===== */
.stats {
  position: relative;
  overflow: hidden;
  background: var(--bg-dark);
}

.stats__inner {
  width: 100%;
  padding: calc(var(--header-h) + 28px) 24px clamp(32px, 5vh, 48px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(28px, 4vh, 40px);
}

.stats__top {
  width: 100%;
}

.stats__head {
  margin-bottom: clamp(24px, 3.5vh, 36px);
  width: 100%;
}

.stats__title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4.4vw, 56px);
  font-weight: 300;
  line-height: 1.18;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0;
  width: 100%;
}

.stats__title::after {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  background: var(--accent);
  margin-top: 18px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.8s var(--ease);
}

.stats__head.reveal.visible .stats__title::after,
.stats.is-active .stats__title::after {
  transform: scaleX(1);
}

.stats__list {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: none;
  border-bottom: none;
}

.stats__list::before,
.stats__list::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border);
  pointer-events: none;
}

.stats__list::before { top: 0; }
.stats__list::after { bottom: 0; }

.stats__item {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.8vh, 28px) clamp(12px, 1.5vw, 20px);
  border-right: 1px solid var(--border);
  transition: background 0.45s var(--ease);
}

.stats__item:last-child {
  border-right: none;
}

.stats__item:hover {
  background: rgba(255, 255, 255, 0.02);
}

.stats__item-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.stats__number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(32px, 3.6vw, 48px);
  font-weight: 300;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--text-white);
}

.stats__label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  line-height: 1.5;
}

.stats__gallery {
  width: 100%;
  position: relative;
}

.stats__viewport {
  position: relative;
  overflow: hidden;
  width: 100%;
}

.stats__nav-btn {
  position: absolute;
  top: 50%;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--text-white);
  background: rgba(10, 10, 10, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transform: translateY(-50%);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.stats__nav-btn--prev {
  left: 12px;
}

.stats__nav-btn--next {
  right: 12px;
}

.stats__nav-btn:hover {
  color: var(--accent);
  border-color: rgba(196, 168, 130, 0.45);
  background: rgba(10, 10, 10, 0.82);
}

.stats__track {
  display: flex;
  gap: 12px;
  will-change: transform;
  transition: transform 0.7s var(--ease);
}

.stats__slide {
  flex: 0 0 calc((100% - 48px) / 5);
  margin: 0;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-card);
  position: relative;
  cursor: pointer;
}

.stats__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.02);
  transition: transform 0.8s var(--ease), filter 0.8s var(--ease);
  filter: saturate(0.92) brightness(0.92);
}

.stats__slide:hover img {
  transform: scale(1.08);
  filter: saturate(1) brightness(1);
}

@media (max-width: 1200px) {
  .stats__slide {
    flex: 0 0 calc((100% - 24px) / 3);
  }
}

/* ===== About ===== */
.about {
  padding: 120px 0;
  overflow: hidden;
}

.about__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
  width: 100%;
}

.about__content {
  min-width: 0;
}

.about__title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.6vw, 46px);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-dark);
  margin-bottom: clamp(18px, 2.5vh, 28px);
}

.about__title::after {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  background: var(--accent);
  margin-top: 18px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.8s var(--ease);
}

.about__content.reveal.visible .about__title::after,
.about.is-active .about__title::after {
  transform: scaleX(1);
}

.about__text {
  font-size: clamp(14px, 1.15vw, 16px);
  color: var(--text-dark-muted);
  margin-bottom: clamp(24px, 3vh, 32px);
  line-height: 1.75;
  max-width: 460px;
}

.about__features {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border-dark);
  max-width: 460px;
}

.about__features li {
  position: relative;
  padding: 14px 0 14px 20px;
  border-bottom: 1px solid var(--border-dark);
  font-size: clamp(13px, 1.05vw, 14px);
  letter-spacing: 0.04em;
  color: var(--text-dark);
  line-height: 1.4;
}

.about__features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 1px;
  background: var(--accent);
  transform: translateY(-50%);
}

.about__image {
  position: relative;
  aspect-ratio: 4 / 5;
  max-height: min(68vh, 640px);
}

.about__image-accent {
  position: absolute;
  bottom: -16px;
  right: -16px;
  width: 55%;
  height: 55%;
  border: 1px solid var(--accent);
  z-index: -1;
  opacity: 0.35;
  transition: transform 0.6s var(--ease);
  pointer-events: none;
}

.about__image:hover .about__image-accent {
  transform: translate(6px, 6px);
}

.img-reveal {
  overflow: hidden;
  height: 100%;
}

.img-reveal img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.15);
  transition: transform 1.2s var(--ease);
}

.reveal.visible .img-reveal img,
.img-reveal.in-view img {
  transform: scale(1);
}

.img-reveal--wide { max-height: 400px; }

/* ===== Stone catalog ===== */
.stone {
  position: relative;
  background: #000;
  color: var(--text-white);
  overflow: hidden;
}

.stone__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: calc(var(--header-h) + 24px) 0 clamp(28px, 4vh, 40px) 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(28px, 4vh, 40px);
  overflow: visible;
}

.stone__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.stone__head-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.section-more {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.62);
  white-space: nowrap;
  transition: color var(--transition);
}

.section-more:hover {
  color: var(--accent);
}

.stone__title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4.4vw, 56px);
  font-weight: 300;
  line-height: 1.18;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0;
  color: var(--text-white);
  position: relative;
}

.stone__title::after {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  background: var(--accent);
  margin-top: 20px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.8s var(--ease);
}

.stone__head.reveal.visible .stone__title::after,
.stone.is-active .stone__title::after {
  transform: scaleX(1);
}

.stone__nav-btn {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: transparent;
  margin-top: calc((clamp(30px, 4.4vw, 56px) * 1.18 - 52px) / 2);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.stone__nav-btn:hover {
  color: var(--accent);
  border-color: rgba(196, 168, 130, 0.7);
  background: rgba(196, 168, 130, 0.08);
}

.stone__slider {
  position: relative;
  width: calc(50% + 50vw);
  max-width: none;
}

.stone__viewport {
  overflow: hidden;
  width: 100%;
}

.stone__track {
  display: flex;
  gap: clamp(18px, 2vw, 28px);
  will-change: transform;
  transition: transform 0.75s var(--ease);
}

.stone-card {
  flex: 0 0 calc((100% - 72px) / 3.4);
  max-width: 320px;
  min-width: 0;
  text-align: left;
  cursor: pointer;
  background: transparent;
  border: none;
  padding: 0;
  color: inherit;
  font: inherit;
}

.stone-card__visual {
  position: relative;
  aspect-ratio: 1 / 1;
  background: #151515;
  border-radius: 28px 28px 48px 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  overflow: hidden;
  transition: background 0.45s var(--ease), transform 0.45s var(--ease);
}

.stone-card__visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 42%, rgba(196, 168, 130, 0.08), transparent 62%);
  pointer-events: none;
  z-index: 1;
}

.stone-card__visual img {
  position: relative;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: none;
  transition: transform 0.7s var(--ease);
}

.stone-card:hover .stone-card__visual {
  background: #1b1b1b;
  transform: translateY(-4px);
}

.stone-card:hover .stone-card__visual img {
  transform: scale(1.05);
  filter: none;
}

.stone-card__body {
  padding: 18px 4px 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.stone-card__tag {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.82);
  white-space: nowrap;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
}

.stone-card__title {
  font-family: var(--font-sans);
  font-size: clamp(18px, 1.6vw, 22px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: #fff;
  margin: 0;
}

/* Stone product modal */
.stone-modal {
  position: fixed;
  inset: 0;
  z-index: 2100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(10px, 1.6vw, 18px);
  pointer-events: none;
}

.stone-modal.is-open {
  pointer-events: auto;
}

.stone-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
  opacity: 0;
  transition: opacity 0.45s var(--ease);
}

.stone-modal.is-open .stone-modal__backdrop {
  opacity: 1;
}

.stone-modal__panel {
  position: relative;
  z-index: 1;
  width: min(100%, calc(100vw - 20px));
  height: min(100%, calc(100dvh - 20px));
  max-height: calc(100dvh - 20px);
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  background: #111;
  border: 1px solid rgba(196, 168, 130, 0.22);
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.55);
  box-sizing: border-box;
  overflow: hidden;
  transform: translateY(24px) scale(0.98);
  opacity: 0;
  transition: transform 0.5s var(--ease), opacity 0.5s var(--ease);
}

.stone-modal.is-open .stone-modal__panel {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.stone-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 3;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(10, 10, 10, 0.55);
  backdrop-filter: blur(10px);
  transition: color var(--transition), border-color var(--transition);
}

.stone-modal__close:hover {
  color: var(--accent);
  border-color: rgba(196, 168, 130, 0.5);
}

.stone-modal__media {
  background: #0a0a0a;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.stone-modal__media > img {
  width: 100%;
  flex: 1;
  min-height: 0;
  object-fit: contain;
  padding: clamp(24px, 4vh, 48px);
  box-sizing: border-box;
  background:
    radial-gradient(circle at 50% 45%, rgba(196, 168, 130, 0.08), transparent 60%),
    #121212;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.45));
}

.stone-modal__thumbs {
  display: flex;
  gap: 8px;
  padding: 12px 16px 16px;
  overflow-x: auto;
}

.stone-modal__thumbs:empty {
  display: none;
}

.stone-modal__thumb {
  flex: 0 0 64px;
  width: 64px;
  height: 64px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: #181818;
  overflow: hidden;
  cursor: pointer;
  opacity: 0.55;
  transition: opacity 0.3s, border-color 0.3s;
}

.stone-modal__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.stone-modal__thumb.is-active,
.stone-modal__thumb:hover {
  opacity: 1;
  border-color: var(--accent);
}

.stone-modal__body {
  position: relative;
  z-index: 1;
  min-width: 0;
  box-sizing: border-box;
  padding: clamp(22px, 3vh, 32px) clamp(24px, 3vw, 40px);
  overflow-x: hidden;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  background: #111;
}

.stone-modal__tag {
  display: inline-flex;
  align-self: flex-start;
  max-width: 100%;
  box-sizing: border-box;
  padding: 5px 12px;
  border: 1px solid rgba(196, 168, 130, 0.4);
  border-radius: 999px;
  font-size: 10px;
  color: var(--accent);
  margin-bottom: 10px;
  white-space: normal;
  line-height: 1.3;
}

.stone-modal__title {
  font-family: var(--font-display);
  font-size: clamp(24px, 2.6vw, 34px);
  font-weight: 300;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.12;
  margin: 0 0 10px;
  padding-inline-start: 0.04em;
  overflow-wrap: anywhere;
}

.stone-modal__lead {
  font-size: 13px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.6);
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.stone-modal__benefits {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 0 0 16px;
  padding: 0;
  width: 100%;
}

.stone-modal__benefits li {
  display: grid;
  grid-template-columns: minmax(0, 0.42fr) minmax(0, 0.58fr);
  align-items: baseline;
  gap: 8px 14px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.stone-modal__benefits li:last-child {
  border-bottom: none;
}

.stone-modal__benefit-title {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  line-height: 1.35;
}

.stone-modal__benefit-text {
  font-size: 12px;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.72);
}

.stone-modal__cta {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid rgba(196, 168, 130, 0.22);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
}

.stone-modal__phone {
  font-family: var(--font-sans);
  font-size: 15px;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  color: #fff;
  transition: color var(--transition);
}

.stone-modal__phone:hover {
  color: var(--accent);
}

body.stone-modal-open {
  overflow: hidden;
}

/* ===== Ecosystem ===== */
.ecosystem {
  padding: 120px 0;
  position: relative;
  background: #000;
  color: var(--text-white);
  overflow: hidden;
}

.ecosystem__inner {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(24px, 3.5vh, 36px);
  width: 100%;
}

.ecosystem__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.ecosystem__title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4.4vw, 56px);
  font-weight: 300;
  line-height: 1.18;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0;
  position: relative;
}

.ecosystem__title::after {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  background: var(--accent);
  margin-top: 18px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.8s var(--ease);
}

.ecosystem__head.reveal.visible .ecosystem__title::after,
.ecosystem.is-active .ecosystem__title::after {
  transform: scaleX(1);
}

.ecosystem__nav-btn {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: transparent;
  margin-top: calc((clamp(30px, 4.4vw, 56px) * 1.18 - 52px) / 2);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.ecosystem__nav-btn:hover {
  color: var(--accent);
  border-color: rgba(196, 168, 130, 0.7);
  background: rgba(196, 168, 130, 0.08);
}

.ecosystem__compose {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(16px, 2vw, 24px);
  align-items: stretch;
  min-height: 0;
}

.ecosystem__visual {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  border: 1px solid rgba(196, 168, 130, 0.2);
  background: #111;
  min-height: 320px;
  height: 100%;
}

.ecosystem__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  display: block;
  filter: saturate(0.92) contrast(1.04) brightness(0.92);
  transition: transform 1.1s var(--ease), filter 1.1s var(--ease);
}

.ecosystem__visual:hover img {
  transform: scale(1.04);
  filter: saturate(1) contrast(1.05) brightness(1);
}

.ecosystem__visual-fade {
  position: absolute;
  inset: auto 0 0;
  height: 42%;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.55));
  pointer-events: none;
}

.ecosystem__slider {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.ecosystem__viewport {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 100%;
  flex: 1;
}

.ecosystem__track {
  display: flex;
  gap: 14px;
  height: 100%;
  will-change: transform;
  transition: transform 0.75s var(--ease);
}

.eco-card {
  flex: 0 0 calc((100% - 14px) / 2);
  min-width: 0;
  height: 100%;
  min-height: 280px;
  box-sizing: border-box;
  padding: clamp(28px, 3.5vh, 40px) clamp(22px, 2vw, 28px);
  background:
    linear-gradient(165deg, rgba(196, 168, 130, 0.08) 0%, transparent 45%),
    #121212;
  border: 1px solid rgba(196, 168, 130, 0.18);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  position: relative;
  overflow: hidden;
  transition: border-color 0.4s var(--ease), background 0.4s var(--ease);
}

.eco-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent 70%);
  opacity: 0.55;
}

.eco-card:hover {
  border-color: rgba(196, 168, 130, 0.45);
  background:
    linear-gradient(165deg, rgba(196, 168, 130, 0.12) 0%, transparent 50%),
    #171717;
}

.eco-card__num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 48px);
  font-weight: 300;
  line-height: 1;
  color: rgba(196, 168, 130, 0.45);
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}

.eco-card h3 {
  font-family: var(--font-sans);
  font-size: clamp(28px, 2.8vw, 36px);
  font-weight: 500;
  margin: 0 0 16px;
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: #fff;
  min-height: calc(1.15em * 2);
}

.eco-card p {
  font-size: clamp(15px, 1.25vw, 17px);
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.65;
  margin: 0;
}

.eco-card__cta {
  align-self: flex-start;
  margin-top: 22px;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}

.eco-card:hover .eco-card__cta,
.eco-card:focus-within .eco-card__cta {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* ===== Brands ===== */
.brands {
  padding: 120px 0;
  position: relative;
  background:
    radial-gradient(ellipse 70% 50% at 10% 20%, rgba(196, 168, 130, 0.07), transparent 55%),
    radial-gradient(ellipse 50% 40% at 90% 80%, rgba(196, 168, 130, 0.05), transparent 50%),
    #000;
  color: var(--text-white);
  overflow: hidden;
}

.brands__inner {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(36px, 5vh, 56px);
  width: 100%;
}

.brands__head {
  width: 100%;
}

.brands__title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4.4vw, 56px);
  font-weight: 300;
  line-height: 1.18;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0;
  position: relative;
  width: 100%;
}

.brands__title::after {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  background: var(--accent);
  margin-top: 18px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.8s var(--ease);
}

.brands__head.reveal.visible .brands__title::after,
.brands.is-active .brands__title::after {
  transform: scaleX(1);
}

.brands__lead {
  margin: 18px 0 0;
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 520px;
}

.brands__showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(14px, 1.8vw, 22px);
  align-items: stretch;
}

.brand-panel {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  min-height: 0;
  padding: clamp(22px, 2.8vh, 32px) clamp(22px, 2.2vw, 32px);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015));
  transition: background 0.45s var(--ease);
}

.brand-panel:hover {
  background: linear-gradient(165deg, rgba(196, 168, 130, 0.1), rgba(255, 255, 255, 0.03));
}

.brand-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px 16px;
  flex-wrap: wrap;
  width: 100%;
}

.brand-panel__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 3.4vw, 40px);
  font-weight: 300;
  letter-spacing: 0.06em;
  line-height: 1;
  color: var(--text-white);
}

.brand-panel__tag {
  flex-shrink: 0;
  padding: 6px 12px;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(196, 168, 130, 0.1);
}

.brand-panel__text {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: calc(1.65em * 3);
}

.brand-panel__meta {
  margin: 4px 0 0;
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.5;
  color: rgba(196, 168, 130, 0.72);
}

.brand-panel .btn {
  margin-top: 10px;
}

/* ===== Catalog ===== */
.catalog {
  padding: 120px 0;
}

.catalog__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.cat-card {
  position: relative;
  overflow: hidden;
  background: var(--bg-card);
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: transform 0.5s var(--ease);
  will-change: transform;
}

.cat-card::after {
  content: '→';
  position: absolute;
  top: 24px;
  right: 24px;
  z-index: 3;
  font-size: 24px;
  color: var(--accent);
  opacity: 0;
  transform: translate(-10px, 10px);
  transition: all 0.4s var(--ease);
}

.cat-card:hover::after {
  opacity: 1;
  transform: translate(0, 0);
}

.cat-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease), opacity var(--transition), filter 0.5s;
  opacity: 0.45;
}

.cat-card:hover img {
  transform: scale(1.1);
  opacity: 0.55;
  filter: brightness(1.1);
}

.cat-card__body {
  position: relative;
  z-index: 2;
  padding: 32px 28px;
  background: linear-gradient(transparent, rgba(10, 10, 10, 0.95));
}

.cat-card__num {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--accent);
  opacity: 0.7;
  margin-bottom: 8px;
  display: block;
}

.cat-card h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 8px;
}

.cat-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

.cat-card--wide {
  grid-column: span 2;
  min-height: 360px;
}

.cat-card--tall {
  grid-row: span 2;
  min-height: 100%;
}

.catalog__cta {
  text-align: center;
  margin-top: 64px;
}

/* ===== Portfolio ===== */
.portfolio {
  position: relative;
  padding: 120px 0;
  background: var(--bg-dark);
  color: var(--text-white);
  overflow: hidden;
}

.portfolio__shell {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(24px, 3.5vh, 36px);
  width: 100%;
}

.portfolio__head {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  width: 100%;
}

.portfolio__top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  width: 100%;
}

.portfolio__title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4.4vw, 56px);
  font-weight: 300;
  line-height: 1.18;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0;
  position: relative;
}

.portfolio__rule {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
  width: 100%;
}

.portfolio__rule-line {
  flex: 0 0 48px;
  width: 48px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.8s var(--ease);
}

.portfolio__copyright {
  margin: 0;
  flex: 1;
  min-width: 0;
  font-size: 11px;
  line-height: 1.45;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.42);
  opacity: 0;
  transform: translateX(8px);
  transition: opacity 0.6s var(--ease) 0.25s, transform 0.6s var(--ease) 0.25s;
}

.portfolio__head.reveal.visible .portfolio__rule-line,
.portfolio.is-active .portfolio__rule-line {
  transform: scaleX(1);
}

.portfolio__head.reveal.visible .portfolio__copyright,
.portfolio.is-active .portfolio__copyright {
  opacity: 1;
  transform: translateX(0);
}

.portfolio__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.portfolio__filter {
  padding: 9px 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: transparent;
  color: rgba(255, 255, 255, 0.65);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.3s, border-color 0.3s, background 0.3s;
}

.portfolio__filter:hover {
  color: #fff;
  border-color: rgba(196, 168, 130, 0.5);
}

.portfolio__filter.is-active {
  color: var(--bg-dark);
  background: var(--accent);
  border-color: var(--accent);
}

.portfolio__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 4px;
}

.portfolio__counter {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  min-width: 64px;
}

.portfolio__counter #portfolioCurrent {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--accent);
}

.portfolio__sep { opacity: 0.35; }

.portfolio__nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  color: var(--text-white);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(196, 168, 130, 0.3);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.portfolio__nav-btn:hover {
  color: var(--accent);
  border-color: rgba(196, 168, 130, 0.65);
  background: rgba(196, 168, 130, 0.08);
}

.portfolio__slider {
  width: 100%;
}

.portfolio__viewport {
  overflow: hidden;
  width: 100%;
}

.portfolio__track {
  display: flex;
  gap: 14px;
  will-change: transform;
  transition: transform 0.75s var(--ease);
  padding: 0;
}

.portfolio__slide {
  flex: 0 0 calc((100% - 28px) / 3);
  margin: 0;
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--bg-card);
  cursor: pointer;
}

.portfolio__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.92) brightness(0.94);
  transition: transform 0.9s var(--ease), filter 0.9s var(--ease);
}

.portfolio__slide::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(10, 10, 10, 0.45) 100%);
  opacity: 0.85;
  pointer-events: none;
  transition: opacity 0.45s var(--ease);
}

.portfolio__slide:hover img {
  transform: scale(1.05);
  filter: saturate(1) brightness(1);
}

.portfolio__slide:hover::after {
  opacity: 0.35;
}

/* Portfolio lightbox */
.portfolio-lightbox {
  position: fixed;
  inset: 0;
  z-index: 2200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 3vw, 32px);
  pointer-events: none;
}

.portfolio-lightbox.is-open {
  pointer-events: auto;
}

.portfolio-lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  opacity: 0;
  transition: opacity 0.45s var(--ease);
}

.portfolio-lightbox.is-open .portfolio-lightbox__backdrop {
  opacity: 1;
}

.portfolio-lightbox__panel {
  position: relative;
  z-index: 1;
  width: min(1480px, 96vw);
  height: min(92vh, 980px);
  display: flex;
  flex-direction: column;
  background: #0c0c0c;
  border: 1px solid rgba(196, 168, 130, 0.22);
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.55);
  overflow: hidden;
  opacity: 0;
  transform: scale(0.97) translateY(16px);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
}

.portfolio-lightbox.is-open .portfolio-lightbox__panel {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.portfolio-lightbox__close {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 4;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(10, 10, 10, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: color var(--transition), border-color var(--transition);
}

.portfolio-lightbox__close:hover {
  color: var(--accent);
  border-color: rgba(196, 168, 130, 0.55);
}

.portfolio-lightbox__nav {
  position: absolute;
  top: 50%;
  z-index: 4;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(10, 10, 10, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.portfolio-lightbox__nav--prev { left: 18px; }
.portfolio-lightbox__nav--next { right: 18px; }

.portfolio-lightbox__nav:hover {
  color: var(--accent);
  border-color: rgba(196, 168, 130, 0.55);
  background: rgba(10, 10, 10, 0.8);
}

.portfolio-lightbox__stage {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(48px, 6vh, 72px) clamp(64px, 8vw, 96px) clamp(24px, 4vh, 40px);
  background:
    radial-gradient(circle at 50% 45%, rgba(196, 168, 130, 0.08), transparent 55%),
    #0a0a0a;
}

.portfolio-lightbox__stage img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  opacity: 1;
  transition: opacity 0.35s var(--ease);
}

.portfolio-lightbox__stage img.is-switching {
  opacity: 0;
}

.portfolio-lightbox__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px clamp(22px, 3vw, 32px);
  border-top: 1px solid rgba(196, 168, 130, 0.18);
  background: rgba(255, 255, 255, 0.02);
}

.portfolio-lightbox__meta #lightboxLabel {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.portfolio-lightbox__counter {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.55);
}

.portfolio-lightbox__counter #lightboxCurrent {
  font-family: var(--font-display);
  font-size: 16px;
  color: #fff;
}

body.lightbox-open {
  overflow: hidden;
}

@media (max-width: 768px) {
  .portfolio-lightbox__panel {
    width: 100%;
    height: 100%;
    max-height: none;
  }

  .portfolio-lightbox__stage {
    padding: 72px 20px 20px;
  }

  .portfolio-lightbox__nav {
    width: 44px;
    height: 44px;
  }

  .portfolio-lightbox__nav--prev { left: 10px; }
  .portfolio-lightbox__nav--next { right: 10px; }
}

/* ===== CTA Banner ===== */
.cta-banner {
  position: relative;
  padding: 160px 0;
  overflow: hidden;
  background: #000;
  color: var(--text-white);
}

.cta-banner__bg {
  position: absolute;
  inset: -10% 0;
  overflow: hidden;
  will-change: transform;
}

.cta-banner__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  transform: scale(1.06);
  filter: saturate(0.92) contrast(1.05);
  will-change: transform;
  transition: transform 8s var(--ease), filter 1.2s var(--ease);
}

.cta-banner.is-active .cta-banner__bg img,
.cta-banner:hover .cta-banner__bg img {
  transform: scale(1.12);
  filter: saturate(1) contrast(1.08);
}

.cta-banner__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(110deg, rgba(5, 5, 5, 0.88) 0%, rgba(5, 5, 5, 0.62) 42%, rgba(5, 5, 5, 0.35) 100%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.45) 0%, transparent 28%, transparent 55%, rgba(0, 0, 0, 0.7) 100%);
  pointer-events: none;
}

.cta-banner__grain {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  pointer-events: none;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 0.6px, transparent 0.7px);
  background-size: 3px 3px;
  mix-blend-mode: overlay;
}

.cta-banner__content {
  position: relative;
  z-index: 2;
  text-align: left;
  max-width: 720px;
  margin: 0;
}

.cta-banner__eyebrow {
  display: inline-block;
  margin-bottom: 22px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}

.cta-banner__title {
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 64px);
  font-weight: 300;
  line-height: 1.12;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 22px;
  position: relative;
}

.cta-banner__title::after {
  content: '';
  display: block;
  width: 56px;
  height: 1px;
  background: var(--accent);
  margin-top: 22px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.9s var(--ease);
}

.cta-banner__content.reveal.visible .cta-banner__title::after,
.cta-banner.is-active .cta-banner__title::after {
  transform: scaleX(1);
}

.cta-banner__text {
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.68);
  margin: 0 0 36px;
  max-width: 460px;
}

.cta-banner__content .btn {
  min-width: 200px;
}

/* ===== Contacts ===== */
.contacts {
  padding: 120px 0;
  background:
    radial-gradient(ellipse 60% 45% at 85% 20%, rgba(196, 168, 130, 0.06), transparent 55%),
    #000;
  color: var(--text-white);
}

.contacts__inner {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(28px, 4vh, 44px);
  width: 100%;
}

.contacts__head {
  width: 100%;
}

.contacts__title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4.4vw, 56px);
  font-weight: 300;
  line-height: 1.18;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0;
  position: relative;
}

.contacts__title::after {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  background: var(--accent);
  margin-top: 18px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.8s var(--ease);
}

.contacts__head.reveal.visible .contacts__title::after,
.contacts.is-active .contacts__title::after {
  transform: scaleX(1);
}

.contacts__lead {
  margin: 0;
  max-width: 42em;
  font-size: clamp(14px, 1.4vw, 16px);
  line-height: 1.7;
  color: var(--text-muted);
}

.contacts__layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: stretch;
}

.contacts__info {
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-width: 0;
  height: 100%;
}

.contacts__primary {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.contacts__phone {
  font-family: var(--font-sans);
  font-size: clamp(24px, 2.8vw, 34px);
  font-weight: 400;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
  color: var(--text-white);
  transition: color var(--transition);
}

.contacts__phone:hover,
.contacts__email:hover {
  color: var(--accent);
}

.contacts__email {
  font-size: clamp(15px, 1.5vw, 17px);
  color: rgba(255, 255, 255, 0.72);
  letter-spacing: 0.02em;
  transition: color var(--transition);
}

.contacts__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contacts__list li {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.contacts__list span {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.contacts__list strong {
  font-weight: 400;
  font-size: 15px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.78);
}

.contacts__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: auto;
}

.contacts__map {
  min-height: 0;
  display: flex;
  align-self: stretch;
}

.contacts__map-frame {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 100%;
  overflow: hidden;
  background: #111;
  border: 1px solid rgba(196, 168, 130, 0.22);
}

.contacts__map-frame iframe,
.contacts__map-frame > ymaps,
.contacts__map-frame > div {
  position: absolute !important;
  inset: 0 !important;
  width: 100% !important;
  height: 100% !important;
  min-height: 0 !important;
  display: block;
  border: 0;
}

/* ===== Footer ===== */
.footer {
  position: relative;
  background:
    radial-gradient(ellipse 55% 50% at 12% 20%, rgba(196, 168, 130, 0.08), transparent 55%),
    radial-gradient(ellipse 40% 40% at 90% 80%, rgba(196, 168, 130, 0.04), transparent 50%),
    #050505;
  color: var(--text-white);
  border-top: 1px solid rgba(196, 168, 130, 0.16);
  overflow: hidden;
}

.footer__shell {
  display: flex;
  flex-direction: column;
  gap: clamp(40px, 6vh, 64px);
  padding: clamp(56px, 8vh, 88px) 24px clamp(28px, 4vh, 40px);
  width: 100%;
  box-sizing: border-box;
}

.footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  max-width: 420px;
}

.footer__logo img {
  height: 44px;
  width: auto;
  display: block;
}

.footer__tagline {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
}

.footer__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 4vw, 48px);
}

.footer__label {
  display: block;
  margin-bottom: 18px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__nav a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.62);
  transition: color var(--transition), transform var(--transition);
}

.footer__nav a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__phone {
  font-family: var(--font-sans);
  font-size: clamp(15px, 1.5vw, 18px);
  font-weight: 400;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  line-height: 1.25;
  color: var(--text-white);
  transition: color var(--transition);
}

.footer__phone:hover {
  color: var(--accent);
}

.footer__contact a:not(.footer__phone) {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.62);
  transition: color var(--transition);
}

.footer__contact a:not(.footer__phone):hover {
  color: var(--accent);
}

.footer__contact span {
  display: block;
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.42);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__bottom p {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.35);
}

.footer__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
}

.footer__meta a {
  color: rgba(255, 255, 255, 0.55);
  transition: color var(--transition);
}

.footer__meta a:hover,
.footer__meta a.is-current {
  color: var(--accent);
}

/* ===== Reveal Animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* ===== Preloader ===== */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s var(--ease), visibility 0.6s;
}

.preloader.done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader__logo {
  text-align: center;
}

.preloader__logo img {
  height: 64px;
  margin: 0 auto 32px;
  animation: preloaderPulse 1.5s ease-in-out infinite;
}

@keyframes preloaderPulse {
  0%, 100% { opacity: 0.5; transform: scale(0.98); }
  50% { opacity: 1; transform: scale(1); }
}

.preloader__bar {
  width: 120px;
  height: 1px;
  background: var(--border);
  margin: 0 auto;
  overflow: hidden;
}

.preloader__bar span {
  display: block;
  height: 100%;
  width: 40%;
  background: var(--accent);
  animation: preloaderBar 1.2s ease-in-out infinite;
}

@keyframes preloaderBar {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

/* ===== Scroll Progress ===== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
  z-index: 10001;
  transition: width 0.1s linear;
}

/* ===== Grain ===== */
.grain {
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ===== Custom Cursor ===== */
.cursor, .cursor-dot {
  display: none;
}

@media (hover: hover) and (pointer: fine) {
  .cursor {
    display: block;
    position: fixed;
    width: 48px;
    height: 48px;
    border: 1px solid rgba(196, 168, 130, 0.5);
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s, border-color 0.3s, opacity 0.3s;
    opacity: 0;
  }

  .cursor-dot {
    display: block;
    position: fixed;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 10001;
    transform: translate(-50%, -50%);
    opacity: 0;
  }

  body.loaded.has-cursor .cursor,
  body.loaded.has-cursor .cursor-dot { opacity: 1; }

  body.loaded.has-cursor .cursor.hover {
    width: 72px;
    height: 72px;
    border-color: var(--accent);
    background: rgba(196, 168, 130, 0.08);
  }
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-40px, 30px); }
}

/* ===== Marquee ===== */
.marquee {
  overflow: hidden;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}

.marquee__track {
  display: flex;
  gap: 48px;
  animation: marquee 30s linear infinite;
  white-space: nowrap;
  width: max-content;
}

.marquee__track span {
  font-size: 12px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.marquee__dot {
  color: var(--accent) !important;
  font-size: 8px !important;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ===== Hero Lines ===== */
.hero__lines {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  overflow: hidden;
}

.hero__lines span {
  position: absolute;
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.06), transparent);
  animation: lineFloat 8s ease-in-out infinite;
}

.hero__lines span:nth-child(1) { left: 20%; animation-delay: 0s; }
.hero__lines span:nth-child(2) { left: 40%; animation-delay: -2s; }
.hero__lines span:nth-child(3) { left: 60%; animation-delay: -4s; }
.hero__lines span:nth-child(4) { left: 80%; animation-delay: -6s; }

@keyframes lineFloat {
  0%, 100% { opacity: 0.3; transform: scaleY(0.8); }
  50% { opacity: 0.8; transform: scaleY(1); }
}

/* ===== Tilt Cards ===== */
.tilt-card {
  transform-style: preserve-3d;
  transition: transform 0.15s ease-out;
}

/* ===== Ecosystem glow bg — merged above */

.catalog {
  padding: 120px 0;
  position: relative;
}

.catalog::before {
  content: '';
  position: absolute;
  bottom: 20%;
  left: -15%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(196,168,130,0.12) 0%, transparent 70%);
  pointer-events: none;
  animation: orbFloat 15s ease-in-out infinite reverse;
}

/* ===== Mobile menu enhanced ===== */
.mobile-menu nav a {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease), color 0.3s;
}

.mobile-menu.active nav a {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu.active nav a:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.active nav a:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu.active nav a:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu.active nav a:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu.active nav a:nth-child(5) { transition-delay: 0.3s; }
.mobile-menu.active nav a:nth-child(6) { transition-delay: 0.35s; }

.mobile-menu nav a:hover { color: var(--accent); }

.mobile-menu nav a.btn--primary:hover { color: var(--bg-dark); }

/* ===== Full-screen snap scroll ===== */
.slide-nav {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px 8px;
}

.slide-nav__dot {
  display: block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1px solid rgba(196, 168, 130, 0.45);
  background: transparent;
  transition: transform 0.4s var(--ease), background 0.4s var(--ease), border-color 0.4s var(--ease);
}

.slide-nav__dot:hover {
  border-color: var(--accent);
  transform: scale(1.25);
}

.slide-nav__dot.is-active {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.35);
  box-shadow: 0 0 12px var(--accent-glow);
}

.marquee--inline {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
}

@media (min-width: 993px) {
  html {
    scroll-snap-type: y mandatory;
  }

  .snap-section {
    min-height: 100vh;
    min-height: 100dvh;
    height: 100vh;
    height: 100dvh;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-sizing: border-box;
  }

  .hero.snap-section {
    display: grid;
    justify-content: stretch;
    padding-top: 0;
  }

  .snap-section > .snap-section__inner,
  .snap-section > .container:not(.cta-banner__content) {
    transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  }

  html.snap-ready .snap-section:not(.is-active) > .snap-section__inner,
  html.snap-ready .snap-section:not(.is-active) > .container:not(.cta-banner__content) {
    opacity: 0;
    transform: translateY(48px);
  }

  .snap-section.is-active > .snap-section__inner,
  .snap-section.is-active > .container:not(.cta-banner__content) {
    opacity: 1;
    transform: translateY(0);
  }

  .snap-section.is-active .reveal {
    transition-delay: calc(var(--d, 0) * 0.08s + 0.15s);
  }

  /* Stats */
  .stats.snap-section {
    justify-content: center;
    padding: 0;
  }

  .stats.snap-section .stats__inner {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  /* Stone catalog */
  .stone.snap-section {
    padding: 0;
  }

  .stone.snap-section .stone__inner {
    min-height: 100dvh;
    box-sizing: border-box;
  }

  .stone.snap-section .stone-card__visual {
    max-height: calc(100dvh - 280px);
  }

  /* Ecosystem */
  .ecosystem.snap-section {
    padding: 0;
  }

  .ecosystem.snap-section .ecosystem__inner {
    min-height: 100dvh;
    box-sizing: border-box;
    padding: calc(var(--header-h) + 20px) 0 clamp(24px, 4vh, 40px);
  }

  .ecosystem.snap-section .ecosystem__compose {
    min-height: 0;
    flex: 1;
    max-height: calc(100dvh - 220px);
  }

  .ecosystem.snap-section .ecosystem__visual {
    min-height: 0;
  }

  .ecosystem.snap-section .eco-card {
    min-height: 0;
    padding: clamp(24px, 3vh, 36px) clamp(18px, 2vw, 24px);
  }

  .ecosystem.snap-section .eco-card__num {
    font-size: clamp(28px, 4vh, 40px);
    margin-bottom: 14px;
  }

  .ecosystem.snap-section .eco-card h3 {
    font-size: clamp(22px, 2.8vh, 32px);
    margin-bottom: 12px;
  }

  .ecosystem.snap-section .eco-card p {
    font-size: clamp(14px, 1.6vh, 16px);
    line-height: 1.55;
  }

  /* Brands */
  .brands.snap-section {
    padding: 0;
  }

  .brands.snap-section .brands__inner {
    gap: clamp(28px, 4vh, 44px);
  }

  .brands.snap-section .brands__lead {
    margin-top: 14px;
  }

  .brands.snap-section .brand-panel {
    padding: clamp(18px, 2.2vh, 26px) clamp(18px, 2vw, 26px);
    gap: 6px;
  }

  .brands.snap-section .brand-panel__text {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: calc(1.65em * 3);
  }

  /* Catalog */
  .catalog.snap-section {
    padding: clamp(32px, 5vh, 48px) 0;
  }

  .catalog.snap-section .section-head {
    margin-bottom: clamp(20px, 3vh, 32px);
  }

  .catalog__grid--snap {
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(10px, 1.2vw, 14px);
  }

  .catalog__grid--snap .cat-card {
    min-height: 0;
    aspect-ratio: 16 / 10;
  }

  .catalog__grid--snap .cat-card--wide {
    grid-column: span 2;
  }

  .catalog__grid--snap .cat-card--tall {
    grid-row: span 1;
  }

  .catalog__grid--snap .cat-card__body {
    padding: 16px;
  }

  .catalog__grid--snap .cat-card h3 {
    font-size: clamp(13px, 1.4vw, 15px);
  }

  .catalog__grid--snap .cat-card p {
    font-size: 11px;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .catalog--continued.snap-section {
    justify-content: center;
  }

  .catalog--continued .catalog__cta {
    margin-top: clamp(24px, 4vh, 40px);
  }

  /* Portfolio */
  .portfolio.snap-section {
    padding: clamp(32px, 5vh, 48px) 0;
  }

  .portfolio.snap-section .portfolio__shell {
    min-height: calc(100dvh - clamp(64px, 10vh, 96px));
    box-sizing: border-box;
  }

  .portfolio.snap-section .portfolio__slide {
    aspect-ratio: 4 / 5;
    max-height: calc(100dvh - 260px);
  }

  /* CTA */
  .cta-banner.snap-section {
    padding: 0;
    display: flex;
    align-items: center;
  }

  .cta-banner.snap-section .cta-banner__content {
    position: relative;
    z-index: 2;
    text-align: left;
    transition: opacity 1s var(--ease), transform 1s var(--ease);
  }

  html.snap-ready .cta-banner.snap-section:not(.is-active) .cta-banner__content {
    opacity: 0;
    transform: translateY(48px) scale(0.98);
  }

  .cta-banner.snap-section.is-active .cta-banner__content {
    opacity: 1;
    transform: translateY(0) scale(1);
  }

  /* Contacts */
  .contacts.snap-section {
    padding: 0;
  }

  .contacts.snap-section .contacts__inner {
    gap: clamp(20px, 3vh, 32px);
  }

  .contacts.snap-section .contacts__layout {
    gap: clamp(20px, 3vw, 40px);
    align-items: stretch;
    min-height: 0;
  }

  .contacts.snap-section .contacts__map,
  .contacts.snap-section .contacts__map-frame {
    min-height: 0;
    height: 100%;
  }

  .contacts.snap-section .contacts__list {
    gap: 14px;
  }

  .contacts.snap-section .contacts__info {
    gap: 18px;
  }

  /* Footer as last full-screen snap slide */
  html.snap-ready .footer {
    min-height: 100vh;
    min-height: 100dvh;
    height: 100vh;
    height: 100dvh;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-sizing: border-box;
  }

  html.snap-ready .footer__shell {
    flex: 1;
    justify-content: center;
    padding-top: clamp(64px, 10vh, 100px);
    padding-bottom: clamp(28px, 4vh, 40px);
  }
}

@media (max-width: 992px) {
  html { scroll-snap-type: none; }

  .slide-nav { display: none; }

  .snap-section {
    height: auto;
    min-height: 0;
    scroll-snap-align: none;
    scroll-snap-stop: normal;
  }

  .snap-section > .snap-section__inner,
  .snap-section > .container {
    opacity: 1;
    transform: none;
  }

  .marquee--inline {
    position: static;
  }
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-snap-type: none; }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal, .hero-anim { opacity: 1; transform: none; }
  .hero__slide.is-active.is-entering-next,
  .hero__slide.is-active.is-entering-prev,
  .hero__slide.is-active.is-leaving-next,
  .hero__slide.is-active.is-leaving-prev,
  .hero__slide.is-active.is-entering-next .hero__img,
  .hero__slide.is-active.is-entering-prev .hero__img,
  .hero__slide.is-active.is-leaving-next .hero__img,
  .hero__slide.is-active.is-leaving-prev .hero__img,
  .hero__slide.is-active:not(.is-leaving):not(.is-entering-next):not(.is-entering-prev) .hero__img {
    animation: none;
    transform: scale(1);
  }
}

/* ===== Responsive ===== */
@media (max-width: 1100px) {
  .ecosystem__compose {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .ecosystem__visual {
    min-height: 240px;
    aspect-ratio: 16 / 9;
    max-height: 360px;
  }

  .eco-card {
    flex-basis: calc((100% - 14px) / 2);
    min-height: 220px;
    height: auto;
  }

  .catalog__grid { grid-template-columns: repeat(2, 1fr); }
  .cat-card--wide { grid-column: span 2; }
  .cat-card--tall { grid-row: span 1; }
}

@media (max-width: 992px) {
  body, body.loaded.has-cursor { cursor: auto; }
  .cursor, .cursor-dot { display: none !important; }
  .header__nav { display: none; }
  .header__actions .btn { display: none; }
  .header__burger { display: flex; }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: var(--header-h);
  }

  .hero__media { height: 50vh; min-height: 320px; }
  .hero__panel { padding: 36px 24px 20px; }
  .hero__panel-inner { max-width: 100%; }
  .hero__subtitle { margin-bottom: 28px; }

  .stats__inner {
    padding-top: 28px;
  }

  .stats__title,
  .stone__title,
  .ecosystem__title,
  .brands__title,
  .brand-panel__name,
  .portfolio__title,
  .contacts__title,
  .partners-intro__title,
  .partners-who__title,
  .partners-steps__title,
  .partners-offer__title {
    font-size: 24px;
  }
  .hero__nav {
    left: 16px;
    right: auto;
    bottom: auto;
    top: calc(var(--header-h) + max(50vh, 320px) - 16px);
    transform: translateY(-100%);
    padding: 4px;
  }
  .hero__nav-btn {
    width: 40px;
    height: 40px;
  }

  .stone__slider {
    width: 100%;
  }

  .stone__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }

  .stone__nav-btn {
    display: none;
  }

  .about__grid { grid-template-columns: 1fr; gap: 48px; }
  .about__image { aspect-ratio: 16/10; }
  .stone-card { flex-basis: calc((100% - 28px) / 2); max-width: 280px; }
  .stone-modal__panel {
    grid-template-columns: 1fr;
    width: calc(100vw - 16px);
    height: calc(100dvh - 16px);
    max-height: calc(100dvh - 16px);
    overflow-y: auto;
  }
  .stone-modal__media > img {
    min-height: 240px;
    max-height: 46vh;
  }
  .brands__showcase { grid-template-columns: 1fr; }
  .contacts__layout { grid-template-columns: 1fr; gap: 32px; }
  .contacts__map-frame { min-height: 320px; height: 320px; }
  .footer__top { grid-template-columns: 1fr; gap: 40px; }
  .footer__cols { grid-template-columns: 1fr 1fr; }

  .stats__list {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats__item:nth-child(2n) {
    border-right: none;
  }

  .stats__item:nth-child(-n+2) {
    border-bottom: 1px solid var(--border);
  }

  .stats__slide {
    flex: 0 0 calc((100% - 24px) / 3);
  }
}

@media (max-width: 768px) {
  .eco-card {
    flex-basis: 85%;
    min-height: 200px;
  }
  .ecosystem__visual {
    max-height: 280px;
  }
  .catalog__grid { grid-template-columns: 1fr; }
  .cat-card--wide { grid-column: span 1; }
  .portfolio__slide { flex-basis: calc((100% - 14px) / 2); }
  .about, .ecosystem, .catalog, .portfolio, .contacts { padding: 80px 0; }

  .stats__slide {
    flex: 0 0 calc((100% - 12px) / 2);
  }
}

@media (max-width: 640px) {
  .portfolio__slide { flex-basis: 100%; }
  .stone-card { flex-basis: 78%; max-width: 300px; }
  .footer__cols { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .eco-card { flex-basis: 92%; min-height: 190px; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { justify-content: center; }

  .stats__list {
    grid-template-columns: 1fr;
  }

  .stats__item {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .stats__item:last-child {
    border-bottom: none;
  }

  .stats__slide {
    flex: 0 0 100%;
  }
}

/* ===== Callback drawer ===== */
.callback {
  position: fixed;
  inset: 0;
  z-index: 2000;
  pointer-events: none;
}

.callback.is-open {
  pointer-events: auto;
}

.callback__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  opacity: 0;
  transition: opacity 0.45s var(--ease);
}

.callback.is-open .callback__backdrop {
  opacity: 1;
}

.callback__panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(100%, 440px);
  height: 100%;
  background: var(--bg-card);
  border-left: 1px solid var(--border);
  box-shadow: -24px 0 80px rgba(0, 0, 0, 0.45);
  transform: translateX(100%);
  transition: transform 0.55s var(--ease);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.callback.is-open .callback__panel {
  transform: translateX(0);
}

.callback__close {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 2;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  transition: color var(--transition), border-color var(--transition);
}

.callback__close:hover {
  color: var(--accent);
  border-color: rgba(196, 168, 130, 0.45);
}

.callback__inner {
  padding: clamp(40px, 6vh, 56px) clamp(28px, 4vw, 40px);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.callback__tag {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.callback__title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 36px);
  font-weight: 300;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.2;
  margin-bottom: 14px;
  color: var(--text-white);
}

.callback__text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 34ch;
}

.callback__form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.callback__form[hidden] {
  display: none;
}

.callback__field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.callback__field span {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}

.callback__field em {
  font-style: normal;
  text-transform: none;
  letter-spacing: 0;
  opacity: 0.55;
  margin-left: 6px;
}

.callback__field input,
.callback__field textarea {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  color: var(--text-white);
  font: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition), background var(--transition);
  resize: vertical;
}

.callback__field input::placeholder,
.callback__field textarea::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.callback__field input:focus,
.callback__field textarea:focus {
  border-color: rgba(196, 168, 130, 0.55);
  background: rgba(255, 255, 255, 0.05);
}

.callback__consent {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 2px;
  cursor: pointer;
}

.callback__consent input {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.03);
  display: grid;
  place-items: center;
  transition: border-color var(--transition), background var(--transition);
}

.callback__consent input:checked {
  border-color: var(--accent);
  background: var(--accent);
}

.callback__consent input:checked::after {
  content: '';
  width: 8px;
  height: 5px;
  border-left: 1.5px solid var(--bg-dark);
  border-bottom: 1.5px solid var(--bg-dark);
  transform: translateY(-1px) rotate(-45deg);
}

.callback__consent input:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 3px;
}

.callback__consent span {
  font-size: 13px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.62);
}

.callback__consent a {
  color: var(--accent);
  border-bottom: 1px solid rgba(196, 168, 130, 0.45);
}

.callback__consent a:hover {
  color: var(--accent-hover);
}

.callback__error {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  color: #e7b4a8;
}

.callback__error[hidden] {
  display: none;
}

.callback__submit {
  margin-top: 8px;
  width: 100%;
  justify-content: center;
}

.callback__submit:disabled {
  opacity: 0.55;
  transform: none;
  box-shadow: none;
  pointer-events: none;
}

.callback__note {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

.callback__note a {
  color: var(--text-white);
  transition: color var(--transition);
}

.callback__note a:hover {
  color: var(--accent);
}

.callback__success {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  padding-top: 24px;
}

.callback__success[hidden] {
  display: none;
}

.callback__success h3 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 300;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.callback__success p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

body.callback-open {
  overflow: hidden;
}

/* ===== Service page: стеклофибробетон ===== */
html.snap-ready:has(body.page-service) {
  scroll-snap-type: none;
}

.page-service {
  background: #000;
}

.service-hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--text-white);
}

.service-hero__media {
  position: absolute;
  inset: 0;
}

.service-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transform: scale(1.06);
  filter: saturate(0.9) contrast(1.06) brightness(0.88);
  animation: serviceHeroZoom 18s var(--ease) infinite alternate;
}

@keyframes serviceHeroZoom {
  from { transform: scale(1.06); }
  to { transform: scale(1.14); }
}

@media (prefers-reduced-motion: reduce) {
  .service-hero__img {
    animation: none;
  }
}

.service-hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(0, 0, 0, 0.88) 0%, rgba(0, 0, 0, 0.55) 42%, rgba(0, 0, 0, 0.22) 100%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.45) 0%, transparent 28%, rgba(0, 0, 0, 0.72) 100%);
}

.service-hero__content {
  position: relative;
  z-index: 1;
  width: 100%;
  padding-top: calc(var(--header-h) + 64px);
  padding-bottom: clamp(72px, 12vh, 120px);
  max-width: var(--container);
}

.service-hero__eyebrow {
  margin: 0 0 clamp(18px, 2.5vh, 28px);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
}

.service-hero__title {
  margin: 0;
  max-width: min(100%, 920px);
  font-family: var(--font-display);
  font-size: clamp(32px, 4.8vw, 56px);
  font-weight: 300;
  line-height: 1.12;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.service-hero__title::after {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  background: rgba(255, 255, 255, 0.85);
  margin-top: clamp(18px, 2.5vh, 26px);
}

.service-hero__lead {
  margin: clamp(18px, 2.5vh, 28px) 0 0;
  max-width: 460px;
  font-size: clamp(15px, 1.55vw, 18px);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.72);
}

.service-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 28px;
  margin-top: clamp(28px, 4vh, 44px);
}

.service-hero__link {
  position: relative;
  padding-left: 28px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.82);
  transition: color var(--transition);
}

.service-hero__link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 1px;
  height: 18px;
  background: rgba(255, 255, 255, 0.35);
  transform: translateY(-50%);
}

.service-hero__link:hover {
  color: var(--accent);
}

.service-hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 28px;
  z-index: 2;
  width: 22px;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 14px;
  transform: translateX(-50%);
  pointer-events: none;
}

.service-hero__scroll span {
  position: absolute;
  left: 50%;
  top: 8px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  transform: translateX(-50%);
  animation: serviceScrollDot 1.6s ease-in-out infinite;
}

@keyframes serviceScrollDot {
  0%, 100% { opacity: 0.35; transform: translateX(-50%) translateY(0); }
  50% { opacity: 1; transform: translateX(-50%) translateY(10px); }
}

.service-intro {
  padding: clamp(80px, 14vh, 140px) 0;
  background:
    radial-gradient(ellipse 50% 60% at 90% 30%, rgba(196, 168, 130, 0.06), transparent 55%),
    #000;
  color: var(--text-white);
}

.service-intro__inner {
  display: flex;
  flex-direction: column;
  gap: clamp(36px, 5vh, 56px);
}

.service-intro__head {
  max-width: 760px;
}

.service-intro__tag {
  display: inline-block;
  margin-bottom: 18px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}

.service-intro__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 4.6vw, 56px);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.service-intro__title::after {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  background: var(--accent);
  margin-top: 22px;
}

.service-intro__body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(14px, 2vw, 22px);
}

.service-intro__panel {
  padding: clamp(28px, 4vh, 40px) clamp(24px, 3vw, 36px);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
  transition: background 0.45s var(--ease);
}

.service-intro__panel:hover {
  background: linear-gradient(165deg, rgba(196, 168, 130, 0.1), rgba(255, 255, 255, 0.02));
}

.service-intro__panel p {
  margin: 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.68);
}

.service-intro__quote {
  margin: 0;
  max-width: 820px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 300;
  font-style: italic;
  line-height: 1.35;
  letter-spacing: 0.02em;
  color: var(--text-white);
}

.service-benefits {
  padding: clamp(64px, 10vh, 110px) 0;
  background:
    radial-gradient(ellipse 55% 40% at 10% 0%, rgba(196, 168, 130, 0.07), transparent 55%),
    #050505;
  color: var(--text-white);
}

.service-benefits__head {
  margin-bottom: clamp(32px, 5vh, 52px);
}

.service-benefits__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.service-benefits__title::after {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  background: var(--accent);
  margin-top: 18px;
}

.service-benefits__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(12px, 1.5vw, 18px);
}

.service-benefit {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(22px, 3vh, 32px) clamp(20px, 2vw, 28px);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015));
  min-height: 100%;
  transition: background 0.45s var(--ease);
}

.service-benefit:hover {
  background: linear-gradient(165deg, rgba(196, 168, 130, 0.12), rgba(255, 255, 255, 0.03));
}

.service-benefit__num {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--accent);
}

.service-benefit h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 300;
  letter-spacing: 0.03em;
  line-height: 1.25;
  color: var(--text-white);
}

.service-benefit p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-muted);
}

.service-benefit--wide {
  grid-column: 1 / -1;
}

.service-benefit--span2 {
  grid-column: span 2;
}

.service-visual {
  padding: clamp(24px, 4vh, 40px) 0 clamp(64px, 10vh, 100px);
  background: #000;
}

.service-visual__card {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
  align-items: stretch;
  width: 100%;
  overflow: hidden;
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015));
  border: 1px solid rgba(196, 168, 130, 0.2);
}

.service-visual__media {
  position: relative;
  min-height: 280px;
  max-height: 420px;
  background: #141414;
  overflow: hidden;
}

.service-visual__media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}

.service-visual__caption {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 14px;
  padding: clamp(24px, 3.5vh, 36px) clamp(22px, 2.5vw, 32px);
}

.service-visual__caption span {
  display: block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.service-visual__caption p {
  margin: 0;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.78);
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: 0.02em;
}

.service-cta {
  padding: clamp(48px, 8vh, 88px) 0 clamp(72px, 12vh, 120px);
  background: #000;
}

.service-cta__panel {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(240px, 0.7fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: end;
  width: 100%;
  padding: clamp(32px, 4.5vh, 48px) clamp(28px, 3vw, 44px);
  background:
    linear-gradient(135deg, rgba(196, 168, 130, 0.1), rgba(255, 255, 255, 0.02) 45%),
    linear-gradient(165deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  border: 1px solid rgba(196, 168, 130, 0.22);
}

.service-cta__copy {
  min-width: 0;
}

.service-cta__note {
  margin: 0 0 18px;
  max-width: 52em;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.5);
}

.service-cta__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(28px, 3.8vw, 44px);
  font-weight: 300;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.15;
  color: var(--text-white);
}

.service-cta__title::after {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  background: var(--accent);
  margin-top: 18px;
}

.service-cta__text {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-muted);
}

.service-cta__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.service-cta__phone {
  font-family: var(--font-sans);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 400;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  color: rgba(255, 255, 255, 0.88);
  transition: color var(--transition);
}

.service-cta__phone:hover {
  color: var(--accent);
}

@media (max-width: 992px) {
  .service-intro__body {
    grid-template-columns: 1fr;
  }

  .service-visual__card {
    grid-template-columns: 1fr;
  }

  .service-visual__media {
    max-height: 360px;
    aspect-ratio: 16 / 10;
  }

  .service-cta__panel {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .service-benefits__grid {
    grid-template-columns: 1fr 1fr;
  }

  .service-benefit--span2 {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .service-hero {
    min-height: 85dvh;
  }

  .service-benefits__grid {
    grid-template-columns: 1fr;
  }

  .service-benefit--wide,
  .service-benefit--span2 {
    grid-column: auto;
  }
}

/* ===== Inner pages: catalog / portfolio / contacts ===== */
.inner-hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(56px, 9vh, 96px)) 0 clamp(72px, 11vh, 120px);
  margin-bottom: clamp(40px, 6vh, 64px);
  color: var(--text-white);
  overflow: hidden;
}

.inner-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 65% 50% at 8% 18%, rgba(196, 168, 130, 0.14), transparent 58%),
    radial-gradient(ellipse 40% 40% at 92% 70%, rgba(196, 168, 130, 0.05), transparent 50%),
    linear-gradient(180deg, #0c0c0c 0%, #000 72%);
  pointer-events: none;
}

.inner-hero::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.14) 20%, rgba(255, 255, 255, 0.14) 80%, transparent);
  pointer-events: none;
}

.inner-hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
}

.inner-hero__eyebrow {
  margin: 0 0 clamp(18px, 2.4vh, 28px);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.58);
}

.inner-hero__title {
  margin: 0;
  width: 100%;
  font-family: var(--font-display);
  font-size: clamp(32px, 4.8vw, 56px);
  font-weight: 300;
  line-height: 1.12;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.inner-hero__title::after {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  background: rgba(255, 255, 255, 0.85);
  margin-top: clamp(20px, 2.8vh, 28px);
}

.inner-hero__lead {
  margin: clamp(20px, 2.8vh, 28px) 0 0;
  max-width: min(100%, 720px);
  font-size: clamp(15px, 1.55vw, 18px);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.68);
}

.inner-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  margin-top: clamp(28px, 4vh, 40px);
}

.portfolio-page__legal {
  margin: 20px 0 0;
  max-width: min(100%, 640px);
  font-size: 13px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.42);
}

.catalog-page {
  padding: 0 0 clamp(72px, 10vh, 120px);
}

.catalog-page__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 2.5vw, 32px);
  transform: none !important;
}

.catalog-page__grid .stone-card {
  flex: none;
  max-width: none;
  width: 100%;
}

.catalog-page__note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px 32px;
  margin-top: clamp(40px, 6vh, 64px);
  padding-top: clamp(28px, 4vh, 40px);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.catalog-page__note p {
  margin: 0;
  max-width: 520px;
  font-size: 15px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.62);
}

.portfolio-page {
  padding: 0 0 clamp(72px, 10vh, 120px);
}

.portfolio-page__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin-bottom: clamp(28px, 4vh, 40px);
}

.portfolio-page__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(14px, 1.8vw, 22px);
}

.portfolio-page__item {
  margin: 0;
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: #151515;
  cursor: pointer;
}

.portfolio-page__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.portfolio-page__item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(0, 0, 0, 0.45) 100%);
  opacity: 0.55;
  transition: opacity 0.45s var(--ease);
  pointer-events: none;
}

.portfolio-page__item:hover img {
  transform: scale(1.05);
}

.portfolio-page__item:hover::after {
  opacity: 0.25;
}

.contacts--page {
  min-height: auto;
  padding: 0 0 clamp(72px, 10vh, 120px);
}

.contacts--page .contacts__inner {
  min-height: auto;
}

@media (max-width: 992px) {
  .catalog-page__grid,
  .portfolio-page__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .catalog-page__grid,
  .portfolio-page__grid {
    grid-template-columns: 1fr;
  }

  .catalog-page__note {
    flex-direction: column;
    align-items: flex-start;
  }

  .stone__head-actions {
    gap: 12px;
  }

  .section-more {
    font-size: 11px;
  }
}

/* ===== Partners page ===== */
.partners-hero {
  position: relative;
  min-height: min(88dvh, 820px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--text-white);
}

.partners-hero__media {
  position: absolute;
  inset: 0;
}

.partners-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.04);
  filter: saturate(0.88) contrast(1.05) brightness(0.82);
  animation: partnersHeroZoom 20s var(--ease) infinite alternate;
}

@keyframes partnersHeroZoom {
  from { transform: scale(1.04); }
  to { transform: scale(1.1); }
}

@media (prefers-reduced-motion: reduce) {
  .partners-hero__img { animation: none; }
}

.partners-hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.55) 48%, rgba(0, 0, 0, 0.28) 100%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.4) 0%, transparent 30%, rgba(0, 0, 0, 0.78) 100%);
}

.partners-hero__content {
  position: relative;
  z-index: 1;
  width: 100%;
  padding-top: calc(var(--header-h) + 64px);
  padding-bottom: clamp(64px, 10vh, 100px);
}

.partners-hero__eyebrow {
  margin: 0 0 clamp(16px, 2.2vh, 24px);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}

.partners-hero__title {
  margin: 0;
  width: 100%;
  font-family: var(--font-display);
  font-size: clamp(34px, 5.2vw, 60px);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.partners-hero__title::after {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  background: rgba(255, 255, 255, 0.85);
  margin-top: clamp(18px, 2.5vh, 26px);
}

.partners-hero__lead {
  margin: clamp(18px, 2.5vh, 26px) 0 0;
  max-width: 520px;
  font-size: clamp(15px, 1.55vw, 18px);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.72);
}

.partners-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 28px;
  margin-top: clamp(28px, 4vh, 40px);
}

.partners-hero__phone {
  font-family: var(--font-sans);
  font-size: clamp(16px, 1.6vw, 20px);
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  color: rgba(255, 255, 255, 0.88);
  transition: color var(--transition);
}

.partners-hero__phone:hover {
  color: var(--accent);
}

.partners-intro {
  padding: clamp(72px, 12vh, 120px) 0;
  background:
    radial-gradient(ellipse 55% 50% at 8% 20%, rgba(196, 168, 130, 0.07), transparent 55%),
    #000;
  color: var(--text-white);
}

.partners-intro__inner {
  display: flex;
  flex-direction: column;
  gap: clamp(32px, 5vh, 48px);
}

.partners-intro__tag,
.partners-offer__tag {
  display: block;
  margin-bottom: 16px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.48);
}

.partners-intro__title {
  margin: 0;
  width: 100%;
  font-family: var(--font-display);
  font-size: clamp(30px, 4.2vw, 48px);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.partners-intro__title::after {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: rgba(255, 255, 255, 0.75);
  margin-top: 20px;
}

.partners-intro__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 48px);
}

.partners-intro__text {
  margin: 0;
  font-size: clamp(15px, 1.45vw, 17px);
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.62);
}

.partners-who {
  padding: clamp(64px, 10vh, 100px) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: #000;
  color: var(--text-white);
}

.partners-who__head {
  margin-bottom: clamp(36px, 5vh, 56px);
  width: 100%;
}

.partners-who__title,
.partners-steps__title,
.partners-offer__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 4.2vw, 48px);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.partners-who__title::after,
.partners-steps__title::after,
.partners-offer__title::after {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: rgba(255, 255, 255, 0.75);
  margin-top: 18px;
}

.partners-who__lead {
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.55);
}

.partners-who__list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.partners-who__item {
  padding: clamp(28px, 3.5vh, 40px) clamp(20px, 2vw, 28px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.partners-who__item:nth-child(3n) {
  border-right: none;
}

.partners-who__num {
  display: block;
  margin-bottom: 18px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.partners-who__item h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 400;
  letter-spacing: 0.03em;
  line-height: 1.25;
}

.partners-who__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.55);
}

.partners-offer {
  padding: clamp(72px, 11vh, 120px) 0;
  background:
    radial-gradient(ellipse 45% 50% at 90% 40%, rgba(196, 168, 130, 0.06), transparent 55%),
    #050505;
  color: var(--text-white);
}

.partners-offer__inner {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(36px, 6vw, 72px);
  align-items: center;
}

.partners-offer__visual {
  position: relative;
  overflow: hidden;
  min-height: 420px;
  background: #151515;
}

.partners-offer__visual img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.04);
  transition: transform 0.9s var(--ease);
}

.partners-offer__visual:hover img {
  transform: scale(1.04);
}

.partners-offer__visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, 0.35) 100%);
  pointer-events: none;
}

.partners-offer__list {
  list-style: none;
  margin: clamp(28px, 4vh, 40px) 0 0;
  padding: 0;
}

.partners-offer__list li {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.partners-offer__list li:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.partners-offer__list strong {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

.partners-offer__list span {
  font-size: 14px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.6);
}

.partners-steps {
  padding: clamp(64px, 10vh, 100px) 0 clamp(80px, 12vh, 120px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: #000;
  color: var(--text-white);
}

.partners-steps__head {
  margin-bottom: clamp(36px, 5vh, 52px);
}

.partners-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  counter-reset: none;
}

.partners-steps__list li {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: clamp(24px, 3vh, 32px) clamp(18px, 2vw, 28px);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.partners-steps__list li:first-child {
  border-left: none;
  padding-left: 0;
}

.partners-steps__num {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.partners-steps__list h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.2vw, 28px);
  font-weight: 400;
  letter-spacing: 0.03em;
}

.partners-steps__list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.55);
}

@media (max-width: 992px) {
  .partners-intro__grid,
  .partners-offer__inner {
    grid-template-columns: 1fr;
  }

  .partners-who__list {
    grid-template-columns: 1fr 1fr;
  }

  .partners-who__item:nth-child(3n) {
    border-right: 1px solid rgba(255, 255, 255, 0.1);
  }

  .partners-who__item:nth-child(2n) {
    border-right: none;
  }

  .partners-steps__list {
    grid-template-columns: 1fr 1fr;
  }

  .partners-steps__list li {
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-left: 0;
  }

  .partners-steps__list li:nth-child(-n + 2) {
    border-top: none;
  }

  .partners-offer__visual,
  .partners-offer__visual img {
    min-height: 320px;
  }
}

@media (max-width: 640px) {
  .partners-hero {
    min-height: 78dvh;
  }

  .partners-who__list,
  .partners-steps__list {
    grid-template-columns: 1fr;
  }

  .partners-who__item {
    border-right: none !important;
  }

  .partners-steps__list li:nth-child(-n + 2) {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .partners-steps__list li:first-child {
    border-top: none;
  }
}

/* ===== Cookie notice ===== */
.cookie {
  box-sizing: border-box;
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 1900;
  display: flex;
  align-items: center;
  gap: 18px;
  width: auto;
  max-width: 680px;
  margin-inline: auto;
  padding: 16px 16px 16px 20px;
  background: rgba(14, 14, 14, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transform: translateY(16px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
}

.cookie::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--accent);
}

.cookie.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.cookie__text {
  margin: 0;
  flex: 1;
  min-width: 0;
  font-size: 13px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.72);
  overflow-wrap: break-word;
}

.cookie__text strong {
  font-weight: 600;
  color: var(--text-white);
}

.cookie__link {
  display: inline;
  margin-left: 6px;
  color: var(--accent);
  border-bottom: 1px solid rgba(196, 168, 130, 0.45);
}

.cookie__link:hover {
  color: var(--accent-hover);
  border-color: var(--accent-hover);
}

.cookie__btn {
  flex-shrink: 0;
  padding: 11px 18px;
  background: var(--text-white);
  color: var(--bg-dark);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.cookie__btn:hover {
  background: var(--accent);
  transform: translateY(-1px);
}

@media (max-width: 760px) {
  .cookie {
    left: 12px;
    right: 12px;
    bottom: max(12px, env(safe-area-inset-bottom));
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 14px 14px 14px 16px;
  }

  .cookie__text {
    font-size: 13px;
  }

  .cookie__btn {
    align-self: stretch;
    width: 100%;
    padding: 12px 16px;
  }
}

/* ===== Privacy policy ===== */
.legal {
  padding: 0 0 clamp(80px, 12vh, 140px);
}

.legal__layout {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  gap: clamp(36px, 5vw, 72px);
  align-items: start;
}

.legal__facts {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  display: grid;
  gap: 1px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.legal__fact {
  padding: 18px 18px 16px;
  background: #0c0c0c;
}

.legal__fact span {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.legal__fact strong {
  display: block;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.45;
  color: var(--text-white);
}

.legal__body {
  max-width: 720px;
}

.legal__section + .legal__section {
  margin-top: 36px;
  padding-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.legal__section h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(24px, 2.4vw, 32px);
  font-weight: 400;
  letter-spacing: 0.03em;
  line-height: 1.2;
}

.legal__section p,
.legal__section li {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.68);
}

.legal__section p + p,
.legal__section ul {
  margin-top: 12px;
}

.legal__section ul {
  padding-left: 18px;
  list-style: disc;
}

.legal__section li + li {
  margin-top: 8px;
}

.legal__section a {
  color: var(--accent);
  border-bottom: 1px solid rgba(196, 168, 130, 0.4);
}

.legal__section a:hover {
  color: var(--accent-hover);
}

.legal__updated {
  margin: 40px 0 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.38);
}

@media (max-width: 860px) {
  .legal__layout {
    grid-template-columns: 1fr;
  }

  .legal__facts {
    position: static;
  }
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.46);
}

.crumbs a {
  color: inherit;
  transition: color var(--transition);
}

.crumbs a:hover {
  color: var(--accent);
}

.crumbs [aria-current="page"] {
  color: rgba(255, 255, 255, 0.82);
}

.seo__title,
.stone-guide__title,
.stone-faq__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 1.15;
  color: #fff;
}

.seo__title {
  font-size: clamp(32px, 4vw, 52px);
}

.seo__title::after,
.stone-guide__title::after {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  margin-top: 18px;
  background: var(--accent);
}

.seo__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(28px, 4vw, 72px);
  align-items: center;
}

.seo__text,
.stone-guide__lead,
.stone-kind p,
.stone-faq__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.72);
}

.seo__text + .seo__text,
.stone-guide__lead + .stone-guide__lead {
  margin-top: 14px;
}

.seo__kinds,
.stone-guide__grid {
  margin: 0;
  padding: 0;
  list-style: none;
}

.seo__kinds {
  display: grid;
  gap: 0;
}

.seo__kind,
.stone-kind {
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.seo__kind a,
.stone-kind h3 {
  color: #fff;
  font-family: var(--font-display);
  font-size: clamp(22px, 2vw, 28px);
  font-weight: 400;
  letter-spacing: 0.03em;
  line-height: 1.2;
}

.seo__kind p,
.stone-kind p {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.6;
}

.stone-guide {
  padding: 20px 0 clamp(72px, 10vh, 110px);
}

.stone-guide__title,
.stone-faq__title {
  font-size: clamp(28px, 3.4vw, 44px);
}

.stone-guide__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 48px;
  margin-top: 28px;
}

.stone-faq {
  padding: 10px 0 clamp(80px, 10vh, 120px);
}

.stone-faq__item {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 18px 0;
}

.stone-faq__item:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.stone-faq__item h3 {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.4;
  color: #fff;
}

.stone-faq__item p {
  margin-top: 10px;
}

.stone-faq__item a {
  color: var(--accent);
}

@media (max-width: 800px) {
  .seo__layout,
  .stone-guide__grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}