/* ============================================================
   MSSA Architecture Department — Main CSS
   Theme: White Neumorphic + Architectural Precision
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=DM+Mono:wght@300;400;500&family=Raleway:wght@200;300;400;500;600&display=swap');

/* ─── CSS Variables ─────────────────────────────────────── */
:root {
  --bg:          #e8eaf0;
  --bg-light:    #f0f2f8;
  --bg-dark:     #d8dae0;
  --surface:     #e8eaf0;
  --white:       #ffffff;

  --neu-shadow-light: #ffffff;
  --neu-shadow-dark:  #c8cad4;

  --accent:      #1a1a2e;
  --accent-2:    #4a3f6b;
  --accent-3:    #8b7355;
  --gold:        #c9a84c;
  --gold-light:  #e8d5a3;

  --text-primary:   #1a1a2e;
  --text-secondary: #5a5c72;
  --text-muted:     #9a9cb2;

  --neu-raised: 6px 6px 14px var(--neu-shadow-dark), -6px -6px 14px var(--neu-shadow-light);
  --neu-inset:  inset 4px 4px 10px var(--neu-shadow-dark), inset -4px -4px 10px var(--neu-shadow-light);
  --neu-pressed: inset 3px 3px 8px var(--neu-shadow-dark), inset -3px -3px 8px var(--neu-shadow-light);
  --neu-float:  10px 10px 24px var(--neu-shadow-dark), -10px -10px 24px var(--neu-shadow-light);
  --neu-hover:  8px 8px 20px var(--neu-shadow-dark), -8px -8px 20px var(--neu-shadow-light);

  --radius-sm:  8px;
  --radius-md:  16px;
  --radius-lg:  24px;
  --radius-xl:  40px;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Raleway', sans-serif;
  --font-mono:    'DM Mono', monospace;
}

/* ─── 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);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* ─── Utility Classes ───────────────────────────────────── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-3);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.section-label::before {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: var(--gold);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 300;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}
.section-title em {
  font-style: italic;
  color: var(--accent-2);
}

/* ─── Neumorphic Components ─────────────────────────────── */
.neu-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--neu-raised);
  transition: var(--transition);
}
.neu-card:hover {
  box-shadow: var(--neu-float);
  transform: translateY(-2px);
}

.neu-inset {
  background: var(--surface);
  border-radius: var(--radius-md);
  box-shadow: var(--neu-inset);
}

.neu-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-xl);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  background: var(--surface);
  color: var(--text-primary);
  box-shadow: var(--neu-raised);
  transition: var(--transition);
}
.neu-btn:hover {
  box-shadow: var(--neu-hover);
  transform: translateY(-1px);
}
.neu-btn:active {
  box-shadow: var(--neu-pressed);
  transform: translateY(0);
}
.neu-btn-primary {
  background: linear-gradient(145deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 6px 6px 14px rgba(26,26,46,0.3), -2px -2px 8px var(--neu-shadow-light);
}
.neu-btn-primary:hover {
  box-shadow: 8px 8px 20px rgba(26,26,46,0.4), -2px -2px 8px var(--neu-shadow-light);
}
.neu-btn-gold {
  background: linear-gradient(145deg, var(--gold), var(--accent-3));
  color: #fff;
  box-shadow: 6px 6px 14px rgba(201,168,76,0.3), -2px -2px 8px var(--neu-shadow-light);
}

/* ─── NAVIGATION ────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: var(--transition);
}

.site-nav.scrolled {
  background: rgba(232, 234, 240, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0,0,0,0.08);
  padding: 0.6rem 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-logo-mark {
  width: 42px;
  height: 42px;
  background: var(--surface);
  border-radius: 12px;
  box-shadow: var(--neu-raised);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.nav-logo-text .dept {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.nav-logo-text .sub {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-xl);
  transition: var(--transition);
  position: relative;
}
.nav-link:hover {
  color: var(--text-primary);
  background: var(--surface);
  box-shadow: var(--neu-raised);
}
.nav-link.active {
  color: var(--accent);
  box-shadow: var(--neu-pressed);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-login {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--neu-raised);
  transition: var(--transition);
}
.nav-login:hover {
  color: var(--text-primary);
  box-shadow: var(--neu-hover);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  background: var(--surface);
  box-shadow: var(--neu-raised);
}
.nav-hamburger span {
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
  display: block;
}

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(232, 234, 240, 0.97);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu .nav-link {
  font-size: 1.4rem;
  letter-spacing: 0.12em;
  padding: 0.75rem 2rem;
}
.mobile-close {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  font-size: 2rem;
  cursor: pointer;
  color: var(--text-secondary);
}

/* ─── HERO SECTION ──────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(26,26,46,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,26,46,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-orb-1 {
  position: absolute;
  top: 15%;
  right: 8%;
  width: 500px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(201,168,76,0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-orb-2 {
  position: absolute;
  bottom: 10%;
  left: 5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(74,63,107,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
  padding: 4rem 2rem;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.2s forwards;
}
.hero-eyebrow::before {
  content: '';
  display: block;
  width: 36px;
  height: 1px;
  background: var(--gold);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 5.5vw, 5.5rem);
  font-weight: 300;
  line-height: 1.05;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.35s forwards;
}
.hero-title .line-italic {
  font-style: italic;
  color: var(--accent-2);
  display: block;
}
.hero-title .line-accent {
  color: var(--accent);
  font-weight: 600;
  display: block;
}

.hero-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 480px;
  line-height: 1.8;
  margin-bottom: 2.5rem;
  font-weight: 300;
  opacity: 0;
  animation: fadeUp 0.8s 0.5s forwards;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s 0.65s forwards;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(26,26,46,0.08);
  opacity: 0;
  animation: fadeUp 0.8s 0.8s forwards;
}
.hero-stat-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 300;
  color: var(--accent);
  line-height: 1;
}
.hero-stat-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 0.25rem;
}

/* Hero Visual (Right) */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  animation: fadeIn 1.2s 0.4s forwards;
}

.hero-canvas-wrap {
  width: 100%;
  max-width: 560px;
  aspect-ratio: 1;
  position: relative;
}

#hero-canvas {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--neu-float);
}

.hero-badge {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--neu-raised);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.hero-badge-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(145deg, var(--gold), var(--accent-3));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.hero-badge-text .title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}
.hero-badge-text .sub {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

/* ─── SCROLL INDICATOR ──────────────────────────────────── */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  animation: fadeIn 1s 1.2s forwards;
}
.scroll-indicator span {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.scroll-mouse {
  width: 24px;
  height: 38px;
  border: 1.5px solid var(--text-muted);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.scroll-dot {
  width: 4px;
  height: 8px;
  background: var(--gold);
  border-radius: 2px;
  animation: scrollDot 2s ease-in-out infinite;
}

/* ─── ABOUT STRIP ───────────────────────────────────────── */
.about-strip {
  padding: 5rem 0;
}

.about-strip-inner {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 5rem;
  align-items: center;
}

.about-image-stack {
  position: relative;
  height: 460px;
}

.about-img-main {
  position: absolute;
  width: 75%;
  height: 380px;
  bottom: 0;
  left: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--neu-float);
}
.about-img-main img, .about-img-accent img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-img-accent {
  position: absolute;
  width: 55%;
  height: 240px;
  top: 0;
  right: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--neu-raised);
}

.about-img-tag {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--surface);
  border-radius: var(--radius-md);
  box-shadow: var(--neu-raised);
  padding: 0.85rem 1.2rem;
  text-align: center;
  white-space: nowrap;
}
.about-img-tag .year {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
}
.about-img-tag .label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* ─── FEATURED SECTIONS GRID ────────────────────────────── */
.features {
  padding: 6rem 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3.5rem;
}

.feature-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--neu-raised);
  padding: 2.5rem;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--accent-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.feature-card:hover::before {
  transform: scaleX(1);
}
.feature-card:hover {
  box-shadow: var(--neu-float);
  transform: translateY(-4px);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: var(--surface);
  border-radius: 16px;
  box-shadow: var(--neu-raised);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: var(--transition);
}
.feature-card:hover .feature-icon {
  box-shadow: var(--neu-inset);
}

.feature-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.feature-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.feature-link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-3);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}
.feature-link:hover {
  color: var(--gold);
  gap: 0.75rem;
}
.feature-link svg {
  transition: var(--transition);
}

/* ─── 3D INTERACTIVE SECTION ────────────────────────────── */
.interactive-3d {
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.interactive-3d-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.three-canvas-wrapper {
  background: var(--surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--neu-float);
  padding: 1.5rem;
  position: relative;
}

#three-canvas {
  width: 100%;
  border-radius: var(--radius-lg);
  display: block;
}

.three-controls {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
  justify-content: center;
}

.three-btn {
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-xl);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  background: var(--surface);
  color: var(--text-secondary);
  box-shadow: var(--neu-raised);
  border: none;
  transition: var(--transition);
}
.three-btn:hover, .three-btn.active {
  box-shadow: var(--neu-inset);
  color: var(--accent);
}

.three-info {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(232,234,240,0.85);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-md);
  box-shadow: var(--neu-raised);
  padding: 0.6rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.interactive-content {
  padding: 1rem 0;
}
.interactive-content .section-title {
  margin-bottom: 1rem;
}

.arch-specs {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.arch-spec {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: var(--surface);
  border-radius: var(--radius-md);
  box-shadow: var(--neu-raised);
  transition: var(--transition);
}
.arch-spec:hover {
  box-shadow: var(--neu-hover);
}
.arch-spec-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  width: 120px;
  flex-shrink: 0;
}
.arch-spec-bar {
  flex: 1;
  height: 6px;
  background: var(--surface);
  border-radius: 3px;
  box-shadow: var(--neu-inset);
  overflow: hidden;
}
.arch-spec-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-2), var(--gold));
  border-radius: 3px;
  transition: width 1.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.arch-spec-val {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-3);
  width: 40px;
  text-align: right;
}

/* ─── NEWS & UPDATES ────────────────────────────────────── */
.news-section {
  padding: 6rem 0;
}

.news-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 3.5rem;
}

.news-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
}

.news-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--neu-raised);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.news-card:hover {
  box-shadow: var(--neu-float);
  transform: translateY(-3px);
}

.news-card-img {
  width: 100%;
  height: 220px;
  overflow: hidden;
  position: relative;
}
.news-card.featured .news-card-img {
  height: 280px;
}

.news-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.news-card:hover .news-card-img img {
  transform: scale(1.04);
}

.news-card-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(232,234,240,0.9);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-xl);
  padding: 0.3rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-3);
  box-shadow: var(--neu-raised);
}

.news-card-body {
  padding: 1.75rem;
}
.news-card-date {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.news-card-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}
.news-card.featured .news-card-title {
  font-size: 1.55rem;
}
.news-card-excerpt {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ─── MATERIAL LIBRARY PREVIEW ──────────────────────────── */
.materials {
  padding: 6rem 0;
}

.materials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3.5rem;
}

.material-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--neu-raised);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.material-card:hover {
  box-shadow: var(--neu-float);
  transform: translateY(-3px);
}

.material-swatch {
  height: 140px;
  position: relative;
  overflow: hidden;
}
.material-swatch img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.material-card:hover .material-swatch img {
  transform: scale(1.06);
}

.material-body {
  padding: 1.2rem;
}
.material-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  margin-bottom: 0.25rem;
}
.material-cat {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ─── CTA BANNER ────────────────────────────────────────── */
.cta-banner {
  padding: 6rem 0;
}

.cta-inner {
  background: var(--surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--neu-float);
  padding: 5rem;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 3rem;
  position: relative;
  overflow: hidden;
}

.cta-inner::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(201,168,76,0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}
.cta-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 300;
  line-height: 1.2;
  color: var(--text-primary);
}
.cta-title em {
  font-style: italic;
  color: var(--accent-2);
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-end;
}

/* ─── FOOTER ────────────────────────────────────────────── */
.site-footer {
  background: var(--surface);
  box-shadow: 0 -4px 30px rgba(0,0,0,0.06);
  padding: 5rem 0 2rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand .nav-logo {
  margin-bottom: 1.5rem;
}
.footer-brand-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 280px;
  margin-bottom: 2rem;
}

.footer-socials {
  display: flex;
  gap: 0.75rem;
}
.footer-social {
  width: 38px;
  height: 38px;
  background: var(--bg);
  border-radius: 10px;
  box-shadow: var(--neu-raised);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  color: var(--text-secondary);
}
.footer-social:hover {
  box-shadow: var(--neu-hover);
  color: var(--accent);
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.footer-links a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--text-primary);
  transform: translateX(3px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid rgba(26,26,46,0.08);
}
.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}
.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}
.footer-bottom-links a {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer-bottom-links a:hover { color: var(--text-secondary); }

/* ─── Animations ────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scrollDot {
  0%, 100% { transform: translateY(0); opacity: 1; }
  60%       { transform: translateY(12px); opacity: 0; }
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.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; }

/* ─── Responsive ────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .about-strip-inner { grid-template-columns: 1fr; }
  .about-image-stack { height: 300px; margin-bottom: 3rem; }
  .interactive-3d-inner { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr 1fr; }
  .news-card.featured { grid-column: span 2; }
  .materials-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions { display: none; }
  .nav-hamburger { display: flex; }
  .features-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .news-card.featured { grid-column: span 1; }
  .cta-inner { grid-template-columns: 1fr; padding: 3rem 2rem; }
  .cta-actions { align-items: flex-start; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 1rem; }
  .hero-stats { flex-wrap: wrap; gap: 1.5rem; }
}