/* ================================================================
   兰知设计 · 设计作品官网 — Design System
   艺科融合 · 东方诗性 · 未来智性
   ================================================================ */

/* ── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@300;400;600;700;900&family=Noto+Sans+SC:wght@300;400;500;700&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,700;1,9..40,300;1,9..40,400&family=Playfair+Display:ital,wght@0,700;0,900;1,700&display=swap');

/* ── CSS Variables ──────────────────────────────────────────── */
:root {
  /* Colors */
  --ink:          #08080c;   /* 墨 · 深邃底色 */
  --paper:        #faf8f4;   /* 纸 · 温暖白 */
  --gold:         #c9a96e;   /* 金 · 点睛 */
  --gold-light:   #e8d5a8;   /* 淡金 */
  --teal:         #1f5c5c;   /* 青 · 科技感 */
  --teal-light:   #2a8080;  /* 亮青 */
  --text-dark:    #111118;   /* 深色文字 */
  --text-mid:     #5a5a6a;   /* 中灰文字 */
  --text-light:   #9a9aaa;   /* 浅灰文字 */
  --border-dark:  rgba(255,255,255,0.06);
  --border-light: rgba(0,0,0,0.08);
  --shadow-dark:  0 24px 64px rgba(0,0,0,0.5);
  --shadow-gold:  0 8px 32px rgba(201,169,110,0.15);
  --shadow-card:  0 4px 24px rgba(0,0,0,0.12);
  --shadow-card-hover: 0 12px 48px rgba(0,0,0,0.2);

  /* Typography */
  --font-display: 'Playfair Display', 'Noto Serif SC', serif;
  --font-serif:   'Noto Serif SC', serif;
  --font-sans:    'Noto Sans SC', 'DM Sans', sans-serif;
  --font-en:      'DM Sans', sans-serif;

  /* Spacing */
  --space-xs:  8px;
  --space-sm:  16px;
  --space-md:  32px;
  --space-lg:  64px;
  --space-xl:  96px;
  --space-2xl: 160px;

  /* Layout */
  --max-width: 1200px;
  --gutter:    40px;
  --radius:    12px;
  --radius-sm: 6px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:  cubic-bezier(0.7, 0, 0.84, 0);
  --duration: 0.4s;
}

/* ── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--ink);
  color: #e0e0e0;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Selection ─────────────────────────────────────────────── */
::selection { background: var(--gold); color: var(--ink); }

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--ink); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 3px; }

/* ── Container ─────────────────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ── Typography Scale ──────────────────────────────────────── */
.display-xl {
  font-family: var(--font-display);
  font-size: clamp(56px, 8vw, 120px);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.03em;
}
.display-lg {
  font-family: var(--font-display);
  font-size: clamp(40px, 5.5vw, 80px);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.02em;
}
.heading-xl {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.heading-lg {
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.5vw, 36px);
  font-weight: 600;
  line-height: 1.3;
}
.heading-md {
  font-family: var(--font-sans);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 600;
  line-height: 1.4;
}
.body-lg { font-size: 18px; line-height: 1.8; font-weight: 300; }
.body-md { font-size: 16px; line-height: 1.7; }
.body-sm { font-size: 14px; line-height: 1.6; }
.caption { font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; }
.en-display {
  font-family: var(--font-en);
  font-style: italic;
  font-weight: 300;
}

/* ── Colors ───────────────────────────────────────────────── */
.text-gold  { color: var(--gold); }
.text-teal  { color: var(--teal-light); }
.text-mid   { color: var(--text-mid); }
.text-light { color: var(--text-light); }
.text-paper { color: var(--paper); }

/* ── Section Label ─────────────────────────────────────────── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: var(--space-md);
}
.section-label::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--gold);
}

/* ── Divider ──────────────────────────────────────────────── */
.divider {
  width: 48px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  margin: var(--space-md) 0;
}

/* ── Navigation ───────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: background var(--duration) var(--ease-out),
              backdrop-filter var(--duration),
              padding var(--duration);
}
.nav.scrolled {
  background: rgba(8,8,12,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 14px 0;
  border-bottom: 1px solid var(--border-dark);
}
.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--paper);
  text-decoration: none;
  letter-spacing: 0.05em;
}
.nav-logo span { color: var(--gold); }
.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
}
.nav-links a {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: color var(--duration);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width var(--duration) var(--ease-out);
}
.nav-links a:hover { color: var(--paper); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: var(--gold);
  padding: 10px 24px;
  border-radius: 2px;
  text-decoration: none;
  transition: all var(--duration);
}
.nav-cta:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
}
.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-mobile-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--paper);
  margin: 6px 0;
  transition: all var(--duration);
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-mobile-toggle { display: block; }
  .nav-links.open { display: flex; }
}

/* ── Hero Section ──────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,169,110,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,169,110,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}
.hero-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(201,169,110,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
  width: 100%;
}
.hero-eyebrow {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.2s forwards;
}
.hero-title {
  color: var(--paper);
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.4s forwards;
}
.hero-title .line1 { display: block; }
.hero-title .line2 {
  display: block;
  color: transparent;
  -webkit-text-stroke: 1px rgba(201,169,110,0.4);
  font-style: italic;
}
.hero-title .line3 {
  display: block;
  font-family: var(--font-en);
  font-weight: 300;
  font-style: italic;
  color: var(--gold);
  font-size: 0.6em;
}
.hero-desc {
  max-width: 520px;
  color: rgba(255,255,255,0.5);
  font-weight: 300;
  margin-bottom: 48px;
  font-size: 17px;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.6s forwards;
}
.hero-actions {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.8s forwards;
}
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.2);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-family: var(--font-en);
  animation: scrollPulse 2s ease-in-out infinite;
}
.hero-scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--gold), transparent);
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--duration) var(--ease-out);
  border: none;
  outline: none;
}
.btn-primary {
  background: var(--gold);
  color: var(--ink);
  padding: 16px 36px;
  border-radius: 2px;
}
.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}
.btn-ghost {
  background: transparent;
  color: var(--paper);
  padding: 15px 35px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 2px;
}
.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}
.btn-arrow { transition: transform var(--duration); }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* ── Stats Bar ─────────────────────────────────────────────── */
.stats-bar {
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
  padding: 48px 0;
  margin-top: var(--space-2xl);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-dark);
}
.stat-item {
  background: var(--ink);
  padding: 32px;
  text-align: center;
}
.stat-number {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 900;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-light);
}

@media (max-width: 640px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── About Section ─────────────────────────────────────────── */
.about {
  padding: var(--space-2xl) 0;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}
.about-image {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
  border-radius: var(--radius);
}
.about-image-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--teal) 0%, #0d2a2a 50%, var(--ink) 100%);
}
.about-image-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 120px;
  font-weight: 900;
  color: rgba(201,169,110,0.15);
  line-height: 1;
  user-select: none;
}
.about-image-tag {
  position: absolute;
  bottom: 24px;
  right: 24px;
  background: var(--gold);
  color: var(--ink);
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: 2px;
}
.about-content {}
.about-text {
  color: rgba(255,255,255,0.55);
  font-weight: 300;
  margin: var(--space-md) 0 var(--space-lg);
  max-width: 480px;
}
.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}
.value-item {}
.value-title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
  margin-bottom: 6px;
}
.value-desc {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.6;
}

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-image { max-width: 400px; }
}

/* ── Works Section ─────────────────────────────────────────── */
.works {
  padding: var(--space-2xl) 0;
  background: #0d0d14;
}
.works-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
  gap: var(--space-md);
}
.works-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.filter-btn {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 8px 18px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 2px;
  background: transparent;
  color: var(--text-light);
  cursor: pointer;
  transition: all var(--duration);
}
.filter-btn:hover,
.filter-btn.active {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(201,169,110,0.06);
}
.works-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}
.work-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  cursor: pointer;
  background: #111118;
  transition: all 0.5s var(--ease-out);
}
.work-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.work-card:nth-child(1) { grid-column: span 8; aspect-ratio: 16/9; }
.work-card:nth-child(2) { grid-column: span 4; aspect-ratio: 3/4; }
.work-card:nth-child(3) { grid-column: span 4; aspect-ratio: 1; }
.work-card:nth-child(4) { grid-column: span 4; aspect-ratio: 1; }
.work-card:nth-child(5) { grid-column: span 4; aspect-ratio: 1; }
.work-card:nth-child(6) { grid-column: span 6; aspect-ratio: 16/9; }
.work-card:nth-child(7) { grid-column: span 6; aspect-ratio: 16/9; }

.work-card-bg {
  position: absolute;
  inset: 0;
  transition: transform 0.6s var(--ease-out);
}
.work-card:hover .work-card-bg { transform: scale(1.04); }
.work-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(8,8,12,0.95) 0%,
    rgba(8,8,12,0.5) 40%,
    transparent 70%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
}
.work-card-tag {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}
.work-card-title {
  font-family: var(--font-serif);
  font-size: clamp(18px, 2.5vw, 28px);
  font-weight: 700;
  color: var(--paper);
  margin-bottom: 6px;
  line-height: 1.2;
}
.work-card-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  line-height: 1.5;
}
.work-card-arrow {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(201,169,110,0.15);
  border: 1px solid rgba(201,169,110,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(8px);
  transition: all var(--duration) var(--ease-out);
  color: var(--gold);
}
.work-card:hover .work-card-arrow {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .works-grid { grid-template-columns: 1fr 1fr; }
  .work-card:nth-child(n) { grid-column: span 1; aspect-ratio: 4/3; }
  .work-card:nth-child(1) { grid-column: span 2; aspect-ratio: 16/9; }
}
@media (max-width: 640px) {
  .works-grid { grid-template-columns: 1fr; }
  .work-card:nth-child(n) { grid-column: span 1; aspect-ratio: 16/9; }
}

/* ── Philosophy / 艺科融合 Section ───────────────────────── */
.philosophy {
  padding: var(--space-2xl) 0;
  position: relative;
  overflow: hidden;
}
.philosophy-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 50%, rgba(31,92,92,0.15) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(201,169,110,0.05) 0%, transparent 50%);
  pointer-events: none;
}
.philosophy-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-xl);
}
.philosophy-header .heading-xl {
  background: linear-gradient(135deg, var(--paper) 40%, var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: var(--space-xl);
}
.pillar {
  padding: 40px 32px;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.02);
  transition: all var(--duration) var(--ease-out);
}
.pillar:hover {
  border-color: rgba(201,169,110,0.3);
  background: rgba(201,169,110,0.04);
  transform: translateY(-4px);
}
.pillar-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--teal) 0%, var(--ink) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 24px;
}
.pillar-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--paper);
  margin-bottom: 12px;
}
.pillar-desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
}

@media (max-width: 900px) {
  .pillars-grid { grid-template-columns: 1fr; max-width: 480px; margin: var(--space-xl) auto 0; }
}

/* ── Services Section ─────────────────────────────────────── */
.services {
  padding: var(--space-2xl) 0;
  background: #0d0d14;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: var(--space-xl);
}
.service-item {
  padding: 48px 40px;
  background: #0d0d14;
  transition: background var(--duration);
}
.service-item:hover { background: #111120; }
.service-num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 900;
  color: rgba(201,169,110,0.12);
  line-height: 1;
  margin-bottom: 16px;
}
.service-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--paper);
  margin-bottom: 12px;
}
.service-desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 20px;
}
.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.service-tag {
  font-size: 11px;
  padding: 4px 12px;
  border: 1px solid var(--border-dark);
  border-radius: 2px;
  color: var(--text-mid);
  font-family: var(--font-en);
  letter-spacing: 0.05em;
}

@media (max-width: 768px) {
  .services-grid { grid-template-columns: 1fr; }
}

/* ── Process Section ───────────────────────────────────────── */
.process {
  padding: var(--space-2xl) 0;
}
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-dark);
  margin-top: var(--space-xl);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  overflow: hidden;
}
.process-step {
  padding: 40px 32px;
  background: var(--ink);
  position: relative;
  transition: background var(--duration);
}
.process-step:hover { background: #0e0e16; }
.process-num {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 900;
  color: rgba(201,169,110,0.1);
  line-height: 1;
  margin-bottom: 20px;
}
.process-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
  margin-bottom: 10px;
}
.process-desc {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.7;
}

@media (max-width: 900px) {
  .process-steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .process-steps { grid-template-columns: 1fr; }
}

/* ── Contact Section ───────────────────────────────────────── */
.contact {
  padding: var(--space-2xl) 0;
  background: #0d0d14;
  border-top: 1px solid var(--border-dark);
}
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}
.contact-info {}
.contact-tagline {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 700;
  color: var(--paper);
  line-height: 1.1;
  margin: var(--space-md) 0;
}
.contact-tagline em {
  color: var(--gold);
  font-style: normal;
}
.contact-details {
  margin-top: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
}
.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(201,169,110,0.08);
  border: 1px solid rgba(201,169,110,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 18px;
}
.contact-label {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 2px;
}
.contact-value {
  font-size: 15px;
  color: var(--paper);
}
.contact-form {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  padding: 48px;
}
.form-group {
  margin-bottom: 24px;
}
.form-label {
  display: block;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 10px;
}
.form-input,
.form-textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 15px;
  outline: none;
  transition: border-color var(--duration);
}
.form-input:focus,
.form-textarea:focus {
  border-color: var(--gold);
}
.form-input::placeholder,
.form-textarea::placeholder { color: rgba(255,255,255,0.2); }
.form-textarea { resize: vertical; min-height: 120px; }
.form-submit {
  width: 100%;
  padding: 16px;
  background: var(--gold);
  color: var(--ink);
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--duration) var(--ease-out);
}
.form-submit:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
}

@media (max-width: 900px) {
  .contact-inner { grid-template-columns: 1fr; }
  .contact-form { padding: 32px 24px; }
}

/* ── Footer ────────────────────────────────────────────────── */
.footer {
  padding: 48px 0;
  border-top: 1px solid var(--border-dark);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}
.footer-logo {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}
.footer-logo span { color: var(--gold); }
.footer-copy {
  font-family: var(--font-en);
  font-size: 12px;
  color: var(--text-light);
}
.footer-links {
  display: flex;
  gap: 32px;
  list-style: none;
}
.footer-links a {
  font-family: var(--font-en);
  font-size: 12px;
  color: var(--text-light);
  text-decoration: none;
  transition: color var(--duration);
}
.footer-links a:hover { color: var(--gold); }

/* ── Animations ───────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0.7; transform: translateX(-50%) translateY(6px); }
}

/* ── Scroll Reveal ────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Utility ──────────────────────────────────────────────── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.text-center { text-align: center; }
.mt-xl { margin-top: var(--space-xl); }
.mb-xl { margin-bottom: var(--space-xl); }

/* ── Back to Top Button ──────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 999;
  width: 48px;
  height: 48px;
  background: rgba(201, 169, 110, 0.9);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #08080c;
  opacity: 0;
  transform: translateY(16px) scale(0.9);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out),
              background 0.3s, box-shadow 0.3s;
  pointer-events: none;
  box-shadow: 0 4px 20px rgba(201, 169, 110, 0.25);
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.back-to-top:hover {
  background: #e8d5a8;
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 8px 32px rgba(201, 169, 110, 0.35);
}
.back-to-top:active {
  transform: translateY(0) scale(0.95);
}