/* ============================================================
   HiBuilding MiC — Global Website Stylesheet
   Dark Industrial + Gold Accent | Premium Tech Aesthetic
   ============================================================ */

/* --- CSS Variables --- */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #0d0d14;
  --bg-card: #111118;
  --bg-card-hover: #181820;
  --border: rgba(201, 168, 76, 0.18);
  --border-bright: rgba(201, 168, 76, 0.45);
  --gold: #C9A84C;
  --gold-light: #e0c36a;
  --gold-dim: rgba(201, 168, 76, 0.6);
  --text-primary: #F0EDE6;
  --text-secondary: #8a8a9a;
  --text-dim: #555566;
  --white: #ffffff;
  --accent-blue: #1a4a7a;
  --success: #2ecc71;
  --font-display: 'Syne', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --section-pad: 120px 0;
  --container: 1280px;
  --radius: 4px;
  --radius-lg: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-gold: 0 0 40px rgba(201,168,76,0.08);
  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, select, textarea { font-family: inherit; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--gold-dim); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }

/* Selection */
::selection { background: rgba(201,168,76,0.25); color: var(--gold-light); }

/* --- Container --- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 40px; }

/* --- Typography --- */
.font-display { font-family: var(--font-display); }

/* --- NAV --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  height: 72px;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(201,168,76,0.08);
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(10, 10, 15, 0.95);
  border-bottom-color: var(--border);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.nav-brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--gold), #8a6a28);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
  color: var(--bg-primary);
  letter-spacing: -0.5px;
}
.brand-mark.lg { width: 44px; height: 44px; font-size: 15px; }
.brand-text { display: flex; flex-direction: column; }
.brand-main {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}
.brand-sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--gold);
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-family: var(--font-display);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  text-transform: uppercase;
  position: relative;
  padding-bottom: 2px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.3s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--gold-light); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 16px; }
.lang-toggle {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.lang-toggle:hover { border-color: var(--gold-dim); color: var(--gold); }
.nav-cta {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--bg-primary);
  background: var(--gold);
  padding: 9px 22px;
  border-radius: var(--radius);
  transition: var(--transition);
  text-transform: uppercase;
}
.nav-cta:hover { background: var(--gold-light); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(201,168,76,0.3); }

/* Email Dropdown */
.nav-cta-wrapper {
  position: relative;
}
.email-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 1000;
  background: #0f0f14;
  border: 2px solid var(--gold);
  border-radius: 10px;
  padding: 14px 18px;
  min-width: 280px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
  animation: fadeSlideDown 0.25s ease;
}
.email-dropdown.active { display: block; }
.email-contact-item {
  display: block;
  padding: 14px 16px;
  border-radius: 8px;
  background: rgba(201,168,76,0.07);
  border: 1.5px solid rgba(201,168,76,0.25);
  color: #fff;
  text-decoration: none;
  font-size: 13px;
  line-height: 1.6;
  transition: var(--transition);
  margin-bottom: 10px;
}
.email-contact-item:last-child { margin-bottom: 0; }
.email-contact-item:hover {
  background: rgba(201,168,76,0.18);
  border-color: var(--gold);
}
.email-contact-item strong {
  display: block;
  color: var(--gold);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}
@keyframes fadeSlideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-primary);
  transition: var(--transition);
}

/* --- HERO --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 72px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,168,76,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-glow {
  position: absolute;
  top: 20%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(ellipse, rgba(201,168,76,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding: 0 60px;
  flex: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 100px;
  margin-bottom: 32px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gold-dim);
  text-transform: uppercase;
  animation: fadeInUp 0.8s ease both;
}
.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(42px, 5.5vw, 72px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 28px;
}
.title-line { display: block; animation: fadeInUp 0.8s ease 0.15s both; }
.title-line.accent { color: var(--gold); }
.hero-desc {
  font-size: 16.5px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 580px;
  margin-bottom: 48px;
  animation: fadeInUp 0.8s ease 0.3s both;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 48px;
  padding: 28px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  animation: fadeInUp 0.8s ease 0.45s both;
}
.stat-item { flex: 1; text-align: center; padding: 0 20px; }
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
}
.stat-unit {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold-dim);
  font-weight: 400;
}
.stat-label {
  display: block;
  font-size: 10.5px;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 4px;
}
.hero-ctas { display: flex; gap: 16px; animation: fadeInUp 0.8s ease 0.6s both; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--gold);
  color: var(--bg-primary);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: var(--transition);
}
.btn-primary:hover { background: var(--gold-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(201,168,76,0.25); }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border: 1px solid var(--border-bright);
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: var(--transition);
}
.btn-ghost:hover { background: rgba(201,168,76,0.08); border-color: var(--gold); }

/* Hero Visual — CSS 3D Module */
.hero-visual {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  animation: fadeIn 1.2s ease 0.5s both;
}
.module-3d {
  width: 280px;
  height: 280px;
  position: relative;
  transform-style: preserve-3d;
  animation: rotateModule 20s linear infinite;
}
@keyframes rotateModule {
  from { transform: rotateX(-20deg) rotateY(0deg); }
  to { transform: rotateX(-20deg) rotateY(360deg); }
}
.module-face {
  position: absolute;
  inset: 0;
  border: 1.5px solid rgba(201,168,76,0.4);
  background: rgba(201,168,76,0.04);
  backdrop-filter: blur(2px);
}
.module-face.front { transform: translateZ(140px); }
.module-face.back { transform: rotateY(180deg) translateZ(140px); }
.module-face.left { transform: rotateY(-90deg) translateZ(140px); }
.module-face.right { transform: rotateY(90deg) translateZ(140px); }
.module-face.top {
  height: 280px;
  top: 0;
  transform: rotateX(90deg) translateZ(140px);
}
.module-face.bottom {
  height: 280px;
  top: 0;
  transform: rotateX(-90deg) translateZ(140px);
}
.module-label {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--gold-dim);
  text-transform: uppercase;
}
.module-dots { display: flex; gap: 6px; justify-content: center; margin-top: 8px; }
.m-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--gold-dim);
}
.m-dot.p1 { animation: pulse 1.5s 0s infinite; }
.m-dot.p2 { animation: pulse 1.5s 0.3s infinite; }
.m-dot.p3 { animation: pulse 1.5s 0.6s infinite; }
.m-dot.p4 { animation: pulse 1.5s 0.9s infinite; }
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  text-transform: uppercase;
  z-index: 2;
  animation: fadeInUp 1s ease 1s both;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* --- Sections Common --- */
.section { padding: var(--section-pad); }
.section-header { margin-bottom: 64px; }
.section-header.centered { text-align: center; }
.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
.section-sub {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 620px;
  margin-top: 16px;
  line-height: 1.8;
}
.section-header.centered .section-sub { margin: 16px auto 0; }

/* --- About --- */
.about { background: var(--bg-secondary); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.about-lead {
  font-size: 16.5px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 40px;
}
.about-vision { display: flex; flex-direction: column; gap: 28px; }
.vision-item { display: flex; gap: 16px; align-items: flex-start; }
.vision-icon {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.vision-item h4 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.vision-item p { font-size: 13.5px; color: var(--text-secondary); line-height: 1.7; }
.about-numbers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.num-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
}
.num-card:hover { border-color: var(--border-bright); background: var(--bg-card-hover); }
.num-card.wide { grid-column: span 2; }
.num-value {
  display: block;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--gold);
  margin-bottom: 4px;
}
.num-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  text-transform: uppercase;
}

/* --- Strategy --- */
.strategy { background: var(--bg-primary); }
.strategy-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; position: relative; }
.strategy-steps::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 16.66%;
  right: 16.66%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-bright), var(--border-bright), transparent);
}
.step-card { padding: 0 24px; position: relative; }
.step-num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 800;
  color: rgba(201,168,76,0.1);
  line-height: 1;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}
.step-content { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; transition: var(--transition); }
.step-content:hover { border-color: var(--border-bright); transform: translateY(-4px); box-shadow: var(--shadow-gold); }
.step-content h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.step-content p { font-size: 13.5px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 16px; }
.step-countries { display: flex; flex-wrap: wrap; gap: 8px; }
.step-countries span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--gold-dim);
}

/* --- Technology --- */
.technology { background: var(--bg-secondary); }
.tech-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 80px;
  padding: 40px 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.flow-step { text-align: center; padding: 0 32px; }
.flow-icon {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  color: rgba(201,168,76,0.15);
  margin-bottom: 12px;
}
.flow-step h4 {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.flow-step p { font-family: var(--font-mono); font-size: 11px; color: var(--text-dim); letter-spacing: 0.05em; }
.flow-arrow { flex-shrink: 0; }
.adv-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 32px;
  text-align: center;
  letter-spacing: 0.02em;
}
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.adv-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}
.adv-card:hover { border-color: var(--border-bright); transform: translateY(-3px); box-shadow: var(--shadow-gold); }
.adv-icon {
  width: 52px; height: 52px;
  background: rgba(201,168,76,0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.adv-card h4 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.adv-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.7; }

/* --- Cases --- */
.cases { background: var(--bg-primary); }
.cases-filter {
  display: flex;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.filter-btn {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-secondary);
  transition: var(--transition);
}
.filter-btn:hover { border-color: var(--gold-dim); color: var(--gold); }
.filter-btn.active { background: var(--gold); border-color: var(--gold); color: var(--bg-primary); }
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 20px;
}
.case-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 320px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
}
.case-card.large { grid-column: span 2; height: 380px; }
.case-card:hover { border-color: var(--border-bright); transform: translateY(-4px); box-shadow: 0 16px 48px rgba(0,0,0,0.4); }
.case-image { position: absolute; inset: 0; }
.case-img-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; }
.case-3d-mock { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; }

/* CSS Building mocks */
.mock-building { display: flex; flex-direction: column; gap: 4px; }
.mock-floor { width: 60px; height: 16px; background: rgba(201,168,76,0.15); border: 1px solid rgba(201,168,76,0.25); }
.mock-ground { width: 80px; height: 6px; background: rgba(201,168,76,0.2); }
.mock-villa { position: relative; width: 100px; height: 80px; }
.mock-villa-body { position: absolute; bottom: 0; left: 10px; right: 10px; height: 50px; background: rgba(201,168,76,0.12); border: 1px solid rgba(201,168,76,0.25); }
.mock-villa-roof { position: absolute; top: 0; left: 0; right: 0; height: 0; border-left: 50px solid transparent; border-right: 50px solid transparent; border-bottom: 30px solid rgba(201,168,76,0.18); }
.mock-bridge { display: flex; flex-direction: column; align-items: center; }
.mock-bridge-deck { width: 120px; height: 6px; background: rgba(201,168,76,0.25); }
.mock-bridge-pier { width: 8px; height: 40px; background: rgba(201,168,76,0.15); border: 1px solid rgba(201,168,76,0.2); }
.mock-wind { position: relative; width: 100px; height: 100px; }
.mock-tower { position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 10px; height: 70px; background: linear-gradient(to top, rgba(201,168,76,0.3), rgba(201,168,76,0.1)); }
.mock-blade { position: absolute; top: 8px; left: 50%; width: 50px; height: 3px; background: rgba(201,168,76,0.2); transform-origin: left center; }
.mock-hotel { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.mock-hotel-base { width: 60px; height: 20px; background: rgba(201,168,76,0.15); border: 1px solid rgba(201,168,76,0.2); }
.mock-hotel-tower { width: 30px; height: 70px; background: rgba(201,168,76,0.1); border: 1px solid rgba(201,168,76,0.2); }
.mock-algeria { display: flex; gap: 4px; align-items: flex-end; }
.mock-building-s { display: flex; flex-direction: column; gap: 3px; }
.mock-floor-s { width: 36px; height: 12px; background: rgba(201,168,76,0.12); border: 1px solid rgba(201,168,76,0.2); }
.mock-camp { display: flex; gap: 8px; align-items: flex-end; }
.mock-camp-unit { width: 40px; height: 30px; background: rgba(201,168,76,0.12); border: 1px solid rgba(201,168,76,0.2); }

.case-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,10,15,0.97) 0%, rgba(10,10,15,0.4) 60%, transparent 100%);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.case-meta { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.case-country { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; color: var(--text-secondary); text-transform: uppercase; }
.case-status {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 100px;
}
.case-status.ongoing { background: rgba(46,204,113,0.15); color: #2ecc71; border: 1px solid rgba(46,204,113,0.2); }
.case-status.completed { background: rgba(201,168,76,0.15); color: var(--gold); border: 1px solid rgba(201,168,76,0.2); }
.case-status.tracking { background: rgba(100,149,237,0.1); color: #6495ed; border: 1px solid rgba(100,149,237,0.2); }
.case-status.exclusive { background: rgba(201,168,76,0.15); color: var(--gold-light); border: 1px solid rgba(201,168,76,0.25); }
.case-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.case-desc { font-size: 12.5px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.case-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.case-tags span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  background: rgba(201,168,76,0.08);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--gold-dim);
}

/* --- Materials --- */
.materials { background: var(--bg-secondary); }
.mat-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; margin-bottom: 40px; }
.mat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.mat-card:hover { border-color: var(--border-bright); transform: translateY(-3px); }
.mat-card.mat-hero {
  background: linear-gradient(135deg, rgba(201,168,76,0.08) 0%, rgba(201,168,76,0.02) 100%);
  border-color: rgba(201,168,76,0.25);
}
.mat-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 10px;
  background: rgba(201,168,76,0.15);
  color: var(--gold);
  border: 1px solid rgba(201,168,76,0.25);
  border-radius: 100px;
}
.mat-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--gold);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}
.mat-grade {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold-dim);
  margin-bottom: 16px;
  text-transform: uppercase;
}
.mat-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 16px; }
.mat-stats { display: flex; gap: 20px; margin-bottom: 12px; }
.mat-stats div { display: flex; flex-direction: column; }
.mat-stat-v { font-family: var(--font-display); font-size: 20px; font-weight: 800; color: var(--text-primary); }
.mat-stat-l { font-family: var(--font-mono); font-size: 10px; color: var(--text-dim); letter-spacing: 0.06em; }
.mat-features { display: flex; flex-wrap: wrap; gap: 6px; }
.mat-features span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  background: rgba(201,168,76,0.06);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-dim);
}
.mat-comparison {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.comp-header {
  display: grid;
  grid-template-columns: 180px 1fr 1fr 80px;
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 16px;
}
.comp-row {
  display: grid;
  grid-template-columns: 180px 1fr 1fr 80px;
  gap: 16px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid rgba(201,168,76,0.06);
  font-size: 13px;
  color: var(--text-secondary);
}
.bar-wrap { height: 8px; background: rgba(255,255,255,0.04); border-radius: 4px; overflow: hidden; }
.bar { display: block; height: 100%; border-radius: 4px; font-size: 9px; color: var(--bg-primary); display: flex; align-items: center; padding-left: 6px; font-family: var(--font-mono); }
.bar.hispc-bar { background: linear-gradient(90deg, var(--gold), var(--gold-light)); }
.bar.trad-bar { background: rgba(255,255,255,0.12); color: var(--text-dim); }
.comp-val { font-family: var(--font-display); font-weight: 700; font-size: 14px; }
.comp-val.accent { color: var(--gold); }

/* --- Team --- */
.team { background: var(--bg-primary); }
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  transition: var(--transition);
}
.team-card:hover { border-color: var(--border-bright); transform: translateY(-4px); box-shadow: var(--shadow-gold); }
.team-avatar {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(201,168,76,0.15), rgba(201,168,76,0.05));
  border: 2px solid rgba(201,168,76,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  --hue: 45;
}
.avatar-initials {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--gold);
}
.avatar-glow {
  position: absolute;
  inset: -20px;
  background: radial-gradient(ellipse, rgba(201,168,76,0.08) 0%, transparent 70%);
}
.team-card h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.team-role {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.team-card p { font-size: 12.5px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 16px; }
.team-tags { display: flex; gap: 6px; justify-content: center; flex-wrap: wrap; }
.team-tags span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  background: rgba(201,168,76,0.06);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-dim);
}

/* --- Full Chain --- */
.fullchain { background: var(--bg-secondary); }
.chain-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.chain-node {
  text-align: center;
  padding: 0 40px;
}
.chain-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: rgba(201,168,76,0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.chain-node h4 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.chain-node p { font-family: var(--font-mono); font-size: 11px; color: var(--text-dim); letter-spacing: 0.05em; }
.chain-line {
  width: 80px;
  height: 1px;
  background: linear-gradient(90deg, var(--border-bright), transparent);
  flex-shrink: 0;
}
.chain-partners { text-align: center; }
.partners-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.partners-list { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.partners-list span {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-secondary);
  transition: var(--transition);
}
.partners-list span:hover { border-color: var(--gold-dim); color: var(--gold); }

/* --- Contact --- */
.contact { background: var(--bg-primary); padding-bottom: 80px; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.contact-info h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.2;
}
.contact-info > p { font-size: 15px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 32px; }
.contact-details { display: flex; flex-direction: column; gap: 20px; margin-bottom: 28px; }
.contact-item { display: flex; gap: 14px; align-items: flex-start; }
.ci-icon {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ci-label { display: block; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; color: var(--gold); text-transform: uppercase; margin-bottom: 2px; }
.ci-value { font-size: 14px; color: var(--text-secondary); }
.contact-offices { display: flex; gap: 8px; }
.office-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-dim);
}
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: 14px;
  transition: var(--transition);
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--gold-dim); background: rgba(201,168,76,0.03); }
.form-group select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; cursor: pointer; }
.form-group select option { background: var(--bg-card); color: var(--text-primary); }
.btn-submit {
  width: 100%;
  padding: 14px;
  background: var(--gold);
  color: var(--bg-primary);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: var(--transition);
  margin-top: 8px;
}
.btn-submit:hover { background: var(--gold-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(201,168,76,0.25); }

/* --- Footer --- */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 64px 0 0;
}
.footer-top {
  display: flex;
  gap: 80px;
  margin-bottom: 48px;
}
.footer-brand { display: flex; gap: 16px; align-items: flex-start; flex-shrink: 0; }
.footer-brand > div { display: flex; flex-direction: column; }
.footer-links { display: flex; gap: 60px; flex: 1; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h4 {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.footer-col a { font-size: 13px; color: var(--text-secondary); transition: var(--transition); }
.footer-col a:hover { color: var(--gold); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.06em;
}

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.animate-on-scroll { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }

/* --- Mobile --- */
@media (max-width: 1024px) {
  .hero-content { max-width: 100%; padding: 0 40px; }
  .hero-visual { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .strategy-steps { grid-template-columns: 1fr; gap: 24px; }
  .strategy-steps::before { display: none; }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .case-card.large { grid-column: span 1; }
  .mat-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-top { flex-direction: column; gap: 40px; }
  .footer-links { flex-wrap: wrap; gap: 32px; }
}
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .nav-links, .nav-cta { display: none; }
  .mobile-menu-btn { display: flex; }
  .navbar { padding: 0 20px; }
  .hero-content { padding: 0 20px; }
  .hero-stats { flex-wrap: wrap; }
  .stat-item { flex: 1 0 50%; padding: 12px; }
  .stat-divider { display: none; }
  .adv-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .comp-header, .comp-row { grid-template-columns: 120px 1fr 1fr 60px; gap: 8px; }
  .footer-links { gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .tech-flow { flex-direction: column; gap: 16px; }
  .flow-arrow { transform: rotate(90deg); }
  .chain-flow { flex-direction: column; gap: 24px; }
  .chain-line { width: 1px; height: 30px; background: linear-gradient(to bottom, var(--border-bright), transparent); }
}

/* --- Smooth entrance --- */
[data-anim] { transition: opacity 0.7s ease, transform 0.7s ease; }
[data-anim="fade-up"] { opacity: 0; transform: translateY(30px); }
[data-anim="fade-up"].in { opacity: 1; transform: translateY(0); }

/* --- Video & Gallery --- */
.media { background: var(--bg-secondary); }
.media-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}
.video-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.video-card.featured { grid-column: span 2; }
.video-card:hover { border-color: var(--border-bright); transform: translateY(-3px); box-shadow: var(--shadow-gold); }
.video-card video {
  width: 100%;
  display: block;
  background: #000;
  aspect-ratio: 16/9;
}
.video-card.featured video { aspect-ratio: 16/9; max-height: 480px; }
.video-label { padding: 16px 20px; }
.video-title {
  display: block;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.video-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}
.gallery-section { margin-top: 20px; }
.gallery-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 24px;
  text-align: center;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 4/3;
  cursor: pointer;
  transition: var(--transition);
}
.gallery-item:hover { border-color: var(--gold-dim); transform: scale(1.03); }
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* Team card featured (chairman) */
.team-card.featured {
  grid-column: span 3;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 36px;
  background: linear-gradient(135deg, rgba(201,168,76,0.08) 0%, rgba(201,168,76,0.02) 100%);
  border-color: rgba(201,168,76,0.25);
}
.team-card.featured .team-avatar {
  width: 100px;
  height: 100px;
  flex-shrink: 0;
}
.team-card.featured .avatar-initials { font-size: 28px; }
.team-card.featured h3 { font-size: 22px; text-align: left; }
.team-card.featured .team-role { text-align: left; }
.team-card.featured p { text-align: left; }
.team-card.featured .team-tags { justify-content: flex-start; }
.name-en {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-dim);
  margin-left: 4px;
}
@media (max-width: 1024px) {
  .media-grid { grid-template-columns: 1fr; }
  .video-card.featured { grid-column: span 1; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .team-card.featured { grid-column: span 2; }
}
@media (max-width: 768px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .team-card.featured { grid-column: span 1; flex-direction: column; text-align: center; }
  .team-card.featured h3, .team-card.featured .team-role, .team-card.featured p { text-align: center; }
  .team-card.featured .team-tags { justify-content: center; }
}

/* Team avatar with photo */
.team-avatar.photo {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  margin: 0 auto 16px;
  border: 2px solid var(--gold-dim);
}
.team-avatar.photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.team-avatar.photo:hover {
  border-color: var(--gold);
  transform: scale(1.05);
  transition: var(--transition);
}
.team-card.featured .team-avatar.photo {
  width: 120px;
  height: 120px;
}

/* Project card photos */
.case-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.case-card .case-image {
  position: absolute;
  inset: 0;
  overflow: hidden;
}