:root {
  --color-bg: #f4f1eb;
  --color-bg-alt: #ece8e0;
  --color-text: #1a1a1a;
  --color-text-muted: #6b6b6b;
  --color-line: #d8d4cb;
  --color-black: #111;
  --container: 1200px;
  --radius: 6px;
  --transition: 200ms ease;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Montserrat', system-ui, -apple-system, sans-serif;
  font-weight: 400;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- Header ---------- */
.site-header {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 10;
  padding: 28px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.28em;
}

.primary-nav {
  display: flex;
  gap: 48px;
}

.nav-link {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text);
}

.cart-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  color: var(--color-text);
  transition: opacity var(--transition);
}

.cart-button:hover { opacity: 0.7; }

.cart-count {
  position: absolute;
  top: -2px;
  right: -2px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--color-black);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity var(--transition), transform var(--transition);
}

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

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 720px;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 120px;
  padding-bottom: 80px;
}

.hero-image {
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1506452305024-9d3f02d1c9b5?auto=format&fit=crop&w=2000&q=80');
  background-size: cover;
  background-position: center;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    rgba(244, 241, 235, 0.85) 0%,
    rgba(244, 241, 235, 0.55) 35%,
    rgba(244, 241, 235, 0.1) 70%,
    rgba(244, 241, 235, 0) 100%);
  z-index: -1;
}

.hero-content {
  max-width: 720px;
}

.hero-title {
  font-size: clamp(34px, 4.5vw, 56px);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.15;
  margin-bottom: 24px;
}

.hero-divider {
  width: 56px;
  height: 2px;
  background: var(--color-text);
  margin-bottom: 28px;
}

.hero-sub {
  font-size: 16px;
  color: var(--color-text);
  margin-bottom: 56px;
  line-height: 1.6;
}

.hero-price {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 40px;
}

.price {
  font-size: 44px;
  font-weight: 300;
  letter-spacing: 0.01em;
}

.price-label {
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--color-text-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 18px 36px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  border-radius: 4px;
  transition: transform var(--transition), background var(--transition), color var(--transition);
}

.btn-primary {
  background: var(--color-black);
  color: #fff;
}

.btn-primary:hover {
  transform: translateY(-1px);
  background: #000;
}

/* ---------- Collection ---------- */
.collection {
  padding: 96px 0 64px;
}

.collection-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}

.section-title {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.28em;
}

.view-all {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--color-text-muted);
  transition: color var(--transition), gap var(--transition);
  display: inline-flex;
  gap: 8px;
}

.view-all:hover { color: var(--color-text); }

.wallpaper-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.wallpaper-card {
  display: block;
  cursor: pointer;
  color: inherit;
  text-decoration: none;
}

.wallpaper-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 9 / 16;
  background-color: var(--color-bg-alt);
  background-size: cover;
  background-position: center;
  border-radius: 4px;
  margin-bottom: 16px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.wallpaper-card:hover .wallpaper-image {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.12);
}

.wallpaper-title {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.22em;
  margin-bottom: 4px;
}

.wallpaper-location {
  font-size: 13px;
  color: var(--color-text-muted);
  font-weight: 400;
}

/* ---------- Features ---------- */
.features {
  padding: 32px 0 96px;
}

.features-grid {
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding: 56px 48px;
}

.feature {
  text-align: left;
}

.feature-icon {
  color: var(--color-text);
  margin-bottom: 20px;
}

.feature-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  margin-bottom: 10px;
}

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

/* ---------- Page Header (interior pages) ---------- */
.page-header {
  position: relative;
  padding: 180px 0 80px;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-line);
}

.page-eyebrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.28em;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.page-title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.15;
  margin-bottom: 20px;
  max-width: 760px;
}

.page-divider {
  width: 56px;
  height: 2px;
  background: var(--color-text);
  margin-bottom: 24px;
}

.page-lede {
  font-size: 16px;
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 600px;
}

/* ---------- Collection page ---------- */
.collection-page {
  padding: 64px 0 96px;
}

.collection-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
}

.filter-pill {
  padding: 10px 20px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  border-radius: 999px;
  transition: background var(--transition), color var(--transition);
}

.filter-pill:hover { color: var(--color-text); }

.filter-pill.active {
  background: var(--color-black);
  color: #fff;
}

.wallpaper-grid.large {
  grid-template-columns: repeat(4, 1fr);
  gap: 28px 24px;
}

/* ---------- About page ---------- */
.about-section {
  padding: 80px 0;
  border-bottom: 1px solid var(--color-line);
}

.about-section:last-child { border-bottom: none; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.about-heading {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.28em;
  color: var(--color-text-muted);
}

.about-body p {
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 20px;
}

.about-body p:last-child { margin-bottom: 0; }

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 40px;
}

.value-item h4 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  margin-bottom: 12px;
}

.value-item p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-muted);
}

/* ---------- Contact page ---------- */
.contact-page {
  padding: 80px 0 120px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.contact-info h3 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  margin-bottom: 12px;
}

.contact-info p,
.contact-info a {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.7;
  display: block;
}

.contact-info a:hover { color: var(--color-text); }

.contact-info-block {
  margin-bottom: 36px;
}

.contact-form {
  display: grid;
  gap: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.form-field label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: inherit;
  font-size: 14px;
  color: var(--color-text);
  background: var(--color-bg-alt);
  border: 1px solid transparent;
  border-radius: 4px;
  transition: border-color var(--transition), background var(--transition);
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-black);
  background: #fff;
}

.form-field textarea {
  resize: vertical;
  min-height: 140px;
}

/* ---------- Wallpaper Detail Page ---------- */
.detail-hero {
  padding: 140px 0 80px;
  background: var(--color-bg);
}

.detail-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 64px;
  align-items: start;
}

.detail-preview {
  position: sticky;
  top: 100px;
}

.detail-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 9 / 16;
  background-color: var(--color-bg-alt);
  background-size: cover;
  background-position: center;
  border-radius: 6px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
}

.detail-info {
  padding-top: 24px;
}

.detail-title {
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1.1;
  margin-bottom: 8px;
}

.detail-location {
  font-size: 15px;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}

.detail-description {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 36px;
}

.detail-specs {
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  padding: 8px 0;
  margin-bottom: 36px;
}

.detail-specs li {
  display: flex;
  justify-content: space-between;
  padding: 14px 0;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  border-bottom: 1px solid var(--color-line);
}

.detail-specs li:last-child { border-bottom: none; }

.detail-specs li span:first-child { color: var(--color-text-muted); }

.detail-buy {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.detail-buy .btn { flex: 1; min-width: 180px; }

.btn:disabled { opacity: 0.7; cursor: default; }

/* ---------- Mockup Section ---------- */
.mockup-section {
  padding: 80px 0 100px;
  background: var(--color-bg-alt);
}

.mockup-header {
  margin-bottom: 40px;
}

.mockup-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 56px;
}

.mockup-tab {
  padding: 12px 22px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--color-text-muted);
  background: var(--color-bg);
  border-radius: 999px;
  transition: background var(--transition), color var(--transition);
  font-family: inherit;
}

.mockup-tab:hover { color: var(--color-text); }

.mockup-tab.active {
  background: var(--color-black);
  color: #fff;
}

.mockup-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 680px;
  perspective: 1600px;
}

/* ---------- Phone Mockups (shared) ---------- */
.phone {
  position: relative;
  width: 300px;
  height: 620px;
  display: none;
  transform-style: preserve-3d;
  animation: phoneIn 600ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.phone.active { display: block; }

@keyframes phoneIn {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.phone-screen {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
}

.phone-screen-image {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.phone-screen-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.25) 0%, rgba(0,0,0,0) 30%, rgba(0,0,0,0) 70%, rgba(0,0,0,0.35) 100%);
  z-index: 1;
}

.lock-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  color: #fff;
  text-align: center;
  padding: 56px 0 28px;
}

.lock-date {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  opacity: 0.92;
  margin-bottom: 6px;
  text-shadow: 0 1px 4px rgba(0,0,0,0.4);
}

.lock-time {
  font-size: 86px;
  font-weight: 300;
  letter-spacing: -2px;
  line-height: 1;
  text-shadow: 0 2px 8px rgba(0,0,0,0.35);
  font-family: 'Montserrat', sans-serif;
}

.lock-bottom {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
}

.lock-corner-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
}

.lock-handle {
  width: 110px;
  height: 4px;
  border-radius: 999px;
  background: rgba(255,255,255,0.85);
}

.phone-side-btn {
  position: absolute;
  background: #2a2624;
  border-radius: 2px;
  z-index: -1;
}

/* ---------- iPhone 17 Pro ---------- */
.phone-iphone {
  background: linear-gradient(135deg, #4a4540 0%, #2d2926 100%);
  border-radius: 56px;
  padding: 9px;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.08) inset,
    0 0 0 2px #1f1c1a inset,
    0 40px 80px rgba(0,0,0,0.32),
    0 10px 24px rgba(0,0,0,0.18);
}

.phone-iphone .phone-screen {
  border-radius: 48px;
}

.phone-iphone .phone-side-btn-power {
  right: -3px;
  top: 160px;
  width: 4px;
  height: 90px;
}

.phone-iphone .phone-side-btn-vol-up {
  left: -3px;
  top: 130px;
  width: 4px;
  height: 50px;
}

.phone-iphone .phone-side-btn-vol-down {
  left: -3px;
  top: 195px;
  width: 4px;
  height: 50px;
}

.phone-iphone .phone-side-btn-action {
  left: -3px;
  top: 90px;
  width: 4px;
  height: 28px;
}

.iphone-island {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: 110px;
  height: 34px;
  background: #000;
  border-radius: 20px;
  z-index: 3;
}

/* ---------- Samsung Galaxy S25 Ultra ---------- */
.phone-samsung {
  background: linear-gradient(135deg, #1f1f22 0%, #0e0e10 100%);
  border-radius: 42px;
  padding: 6px;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.05) inset,
    0 0 0 1.5px #2a2a2c inset,
    0 40px 80px rgba(0,0,0,0.32),
    0 10px 24px rgba(0,0,0,0.18);
}

.phone-samsung .phone-screen {
  border-radius: 38px;
}

.phone-samsung .phone-side-btn-power {
  right: -3px;
  top: 180px;
  width: 4px;
  height: 70px;
}

.phone-samsung .phone-side-btn-vol-up {
  right: -3px;
  top: 110px;
  width: 4px;
  height: 40px;
}

.phone-samsung .phone-side-btn-vol-down {
  right: -3px;
  top: 155px;
  width: 4px;
  height: 40px;
}

.samsung-punch {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 11px;
  height: 11px;
  background: #000;
  border-radius: 50%;
  z-index: 3;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.04);
}

.lock-content-samsung {
  text-align: left;
  padding: 60px 26px 28px;
}

.samsung-time {
  font-size: 64px;
  font-weight: 200;
  letter-spacing: -2px;
  margin-bottom: 2px;
  text-align: left;
}

.samsung-date {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  opacity: 0.95;
  text-align: left;
  text-shadow: 0 1px 4px rgba(0,0,0,0.4);
  margin-bottom: 18px;
}

.samsung-weather {
  display: flex;
  align-items: baseline;
  gap: 10px;
  text-shadow: 0 1px 4px rgba(0,0,0,0.4);
}

.samsung-weather span:first-child {
  font-size: 30px;
  font-weight: 300;
}

.samsung-weather-loc {
  font-size: 11px;
  letter-spacing: 0.06em;
  opacity: 0.85;
}

/* ---------- Apple Spatial (multi-layer parallax depth) ---------- */
.phone-spatial { perspective: 1400px; }

.spatial-screen {
  transform-style: preserve-3d;
  transition: transform 700ms cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform;
  background: #000;
}

.spatial-active.phone-spatial .spatial-screen { transition: transform 80ms linear; }

/* Background layer — deepest, slightly oversized + soft DOF blur */
.spatial-bg {
  position: absolute;
  inset: -10%;
  background-size: cover;
  background-position: center;
  z-index: 0;
  transform: translateZ(-50px) scale(1.08);
  transform-style: preserve-3d;
  filter: blur(0.6px) saturate(0.95);
  transition: transform 700ms cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform;
}

/* Foreground layer — same image, masked to lower portion acting as "subject/terrain",
   sits in front of the clock so parallax visibly overlaps it */
.spatial-fg {
  position: absolute;
  inset: -12%;
  background-size: cover;
  background-position: center;
  z-index: 4;
  transform: translateZ(45px) scale(1.2);
  transform-style: preserve-3d;
  pointer-events: none;
  filter: saturate(1.12) contrast(1.05);
  -webkit-mask-image: linear-gradient(180deg,
    transparent 0%,
    transparent 30%,
    rgba(0,0,0,0.25) 42%,
    rgba(0,0,0,0.7) 56%,
    rgba(0,0,0,0.95) 72%,
    rgba(0,0,0,1) 88%);
  mask-image: linear-gradient(180deg,
    transparent 0%,
    transparent 30%,
    rgba(0,0,0,0.25) 42%,
    rgba(0,0,0,0.7) 56%,
    rgba(0,0,0,0.95) 72%,
    rgba(0,0,0,1) 88%);
  transition: transform 700ms cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform;
}

.spatial-active.phone-spatial .spatial-bg,
.spatial-active.phone-spatial .spatial-fg {
  transition: transform 80ms linear;
}

/* Clock layer — middle depth */
.spatial-content {
  position: relative;
  z-index: 2;
  transform: translateZ(15px);
  transform-style: preserve-3d;
  transition: transform 700ms cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform;
}

.spatial-time {
  transform-style: preserve-3d;
  transition: transform 700ms cubic-bezier(0.2, 0.8, 0.2, 1), text-shadow 400ms ease;
  text-shadow: 0 4px 16px rgba(0,0,0,0.4);
  will-change: transform;
}

.spatial-active.phone-spatial .spatial-content,
.spatial-active.phone-spatial .spatial-time {
  transition: transform 80ms linear;
}

.spatial-active.phone-spatial .spatial-time {
  text-shadow: 0 10px 28px rgba(0,0,0,0.55), 0 0 1px rgba(255,255,255,0.3);
}

.spatial-island {
  transform: translateX(-50%) translateZ(30px);
  transition: transform 700ms cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform;
}

.spatial-active.phone-spatial .spatial-island {
  transition: transform 80ms linear;
}

.spatial-badge {
  position: absolute;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateZ(50px);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: rgba(255,255,255,0.75);
  padding: 6px 12px;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 999px;
  z-index: 10;
  transition: opacity 400ms ease;
  pointer-events: none;
  white-space: nowrap;
}

.phone-spatial:hover .spatial-badge { opacity: 0; }

.mockup-caption {
  max-width: 520px;
  margin: 32px auto 0;
  text-align: center;
  font-size: 12px;
  line-height: 1.65;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
}

/* ---------- Related Section ---------- */
.related-section {
  padding: 80px 0;
  background: var(--color-bg);
}

/* ---------- Detail page responsive ---------- */
@media (max-width: 900px) {
  .detail-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .detail-preview { position: static; }
  .detail-image { max-width: 480px; margin: 0 auto; }
}

/* ---------- How It Works ---------- */
.how-steps {
  padding: 80px 0;
}

.how-steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.how-step {
  padding: 36px 32px;
  background: var(--color-bg-alt);
  border-radius: 8px;
  position: relative;
}

.how-step-num {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.how-step-title {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.18em;
  margin-bottom: 16px;
}

.how-step-body {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.how-platform {
  padding: 80px 0;
  background: var(--color-bg-alt);
}

.how-platform-header,
.faq-header {
  margin-bottom: 56px;
  max-width: 700px;
}

.how-platform-title {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.2;
  margin-top: 16px;
}

.platform-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.platform-card {
  background: var(--color-bg);
  padding: 44px 36px;
  border-radius: 8px;
}

.platform-icon {
  margin-bottom: 24px;
  color: var(--color-text);
}

.platform-title {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.28em;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-line);
}

.platform-steps {
  list-style: none;
  counter-reset: step;
}

.platform-steps li {
  counter-increment: step;
  padding: 14px 0 14px 40px;
  position: relative;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-line);
}

.platform-steps li:last-child { border-bottom: none; }

.platform-steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 14px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
}

.platform-steps strong {
  font-weight: 600;
}

.faq-section {
  padding: 80px 0;
}

.faq-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px 56px;
}

.faq-item h4 {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}

.faq-item p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.faq-item p a {
  color: var(--color-text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.how-cta {
  padding: 80px 0 100px;
  background: var(--color-black);
  color: #fff;
  text-align: center;
}

.how-cta-title {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 400;
  letter-spacing: 0.02em;
  margin-bottom: 14px;
}

.how-cta-sub {
  font-size: 15px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 36px;
}

.how-cta .btn-primary {
  background: #fff;
  color: var(--color-black);
}

.how-cta .btn-primary:hover { background: #f4f1eb; }

.detail-cta-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.detail-cta-link:hover { color: var(--color-text); }

@media (max-width: 900px) {
  .how-steps-grid,
  .platform-grid,
  .faq-list {
    grid-template-columns: 1fr;
  }
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-line);
  padding: 64px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 64px;
  margin-bottom: 56px;
}

.footer-heading {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  margin-bottom: 20px;
}

.footer-text {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  line-height: 1.6;
}

.socials {
  display: flex;
  gap: 18px;
}

.social-link {
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.social-link:hover { color: var(--color-text); }

.footer-list li { margin-bottom: 12px; }

.footer-list a {
  font-size: 13px;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer-list a:hover { color: var(--color-text); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--color-line);
  font-size: 12px;
  color: var(--color-text-muted);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .wallpaper-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .wallpaper-grid.large {
    grid-template-columns: repeat(3, 1fr);
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .primary-nav { gap: 28px; }
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .container { padding: 0 20px; }
  .primary-nav { display: none; }
  .hero { min-height: 600px; padding-top: 100px; }
  .hero-overlay {
    background: linear-gradient(180deg,
      rgba(244, 241, 235, 0.9) 0%,
      rgba(244, 241, 235, 0.7) 50%,
      rgba(244, 241, 235, 0.3) 100%);
  }
  .wallpaper-grid,
  .wallpaper-grid.large {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-grid {
    grid-template-columns: 1fr;
    padding: 40px 28px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
  .page-header { padding: 140px 0 56px; }
  .values-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ---------- Watermark (preview protection) ---------- */
.wallpaper-image::after,
.detail-image::after,
.phone-screen::after {
  content: '_CINEMATICBHARAT';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Montserrat', sans-serif;
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.5);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.45);
  white-space: nowrap;
  pointer-events: none;
  z-index: 1;
  user-select: none;
}

.detail-image::after,
.phone-screen::after {
  font-size: 13px;
  letter-spacing: 0.28em;
  color: rgba(255, 255, 255, 0.55);
}

@media (max-width: 720px) {
  .wallpaper-image::after {
    font-size: 9px;
    letter-spacing: 0.16em;
  }
}