/* ============================================
   The Decision Factory: Decision Arena
   Custom Styles & Animations
   ============================================ */

/* --- Base & Reset --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --color-bg: #1a1a1e;
  --color-bg-subtle: #212125;
  --color-surface: #28282e;
  --color-surface-hover: #333338;
  --color-border: rgba(255, 255, 255, 0.07);
  --color-border-hover: rgba(255, 255, 255, 0.14);
  --color-text: #f0ece6;
  --color-text-muted: #9a958d;
  --color-text-dim: #6b665e;
  --color-accent: #e8891a;
  --color-accent-bright: #f4a43a;
  --color-accent-glow: rgba(232, 137, 26, 0.3);
  --color-secondary: #c4a46a;
  --color-secondary-glow: rgba(196, 164, 106, 0.15);
  --color-warm: #e8891a;
  --color-warm-glow: rgba(232, 137, 26, 0.15);
  --color-gold: #f4a43a;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 2rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(0px);
}

.nav.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 2rem;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-text);
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  color: white;
}

.nav-logo-text {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.nav-logo-text span {
  color: var(--color-accent-bright);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
  position: relative;
}

.nav-links a:hover {
  color: var(--color-text);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 0.5rem 1.25rem !important;
  background: var(--color-accent) !important;
  color: white !important;
  border-radius: 8px;
  font-weight: 600 !important;
  transition: all 0.3s !important;
}

.nav-cta:hover {
  background: #d47a15 !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--color-accent-glow);
}

.nav-cta::after {
  display: none !important;
}

/* Mobile Nav */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all 0.3s;
  border-radius: 2px;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 10, 15, 0.98);
  backdrop-filter: blur(20px);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  transition: opacity 0.3s;
}

.mobile-menu.active {
  display: flex;
  opacity: 1;
}

.mobile-menu a {
  color: var(--color-text);
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: 600;
  transition: color 0.2s;
}

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

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 8rem 2rem 6rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-gradient-1 {
  position: absolute;
  top: -30%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
  animation: float-slow 20s ease-in-out infinite;
}

.hero-gradient-2 {
  position: absolute;
  bottom: -40%;
  left: -15%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--color-secondary-glow) 0%, transparent 70%);
  animation: float-slow 25s ease-in-out infinite reverse;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(232, 137, 26, 0.1);
  border: 1px solid rgba(232, 137, 26, 0.25);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent-bright);
  margin-bottom: 2rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #ffffff 0%, #e8dcc8 50%, var(--color-accent-bright) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--color-text-muted);
  max-width: 650px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
  font-weight: 400;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: linear-gradient(135deg, var(--color-accent), #d47a15);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  box-shadow: 0 4px 20px var(--color-accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(232, 137, 26, 0.4);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}

.btn-secondary:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 500;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}

.btn-outline:hover {
  color: var(--color-text);
  border-color: var(--color-border-hover);
  background: rgba(255, 255, 255, 0.03);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  color: var(--color-text-dim);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.hero-meta-item svg {
  width: 14px;
  height: 14px;
  opacity: 0.5;
}

/* --- Section Base --- */
.section {
  padding: 7rem 2rem;
  position: relative;
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-bright);
  margin-bottom: 1rem;
  font-family: var(--font-mono);
}

.section-label::before {
  content: '';
  width: 20px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 700px;
  line-height: 1.75;
}

.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
  margin: 0 auto;
}

/* --- Glass Card --- */
.glass-card {
  background: rgba(22, 22, 31, 0.6);
  backdrop-filter: blur(20px);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
  border-color: var(--color-border-hover);
  background: rgba(30, 30, 42, 0.6);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.glass-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.3rem;
}

.glass-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.glass-card-text {
  color: var(--color-text-muted);
  font-size: 0.925rem;
  line-height: 1.7;
}

/* --- What It Is Section --- */
.what-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

/* --- Why It Matters --- */
.why-matters {
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-subtle) 50%, var(--color-bg) 100%);
}

.quote-block {
  position: relative;
  padding: 2.5rem 3rem;
  margin: 3rem 0;
  background: rgba(232, 137, 26, 0.04);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 16px 16px 0;
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.quote-block cite {
  display: block;
  margin-top: 1rem;
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--color-text-dim);
  font-style: normal;
}

.contrast-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

.contrast-card {
  padding: 2rem;
  border-radius: 16px;
  border: 1px solid var(--color-border);
}

.contrast-card.old-way {
  background: rgba(255, 255, 255, 0.015);
}

.contrast-card.new-way {
  background: rgba(232, 137, 26, 0.05);
  border-color: rgba(232, 137, 26, 0.2);
}

.contrast-card h3 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  font-family: var(--font-mono);
}

.contrast-card.old-way h3 { color: var(--color-text-dim); }
.contrast-card.new-way h3 { color: var(--color-accent-bright); }

.contrast-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contrast-card ul li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.925rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.contrast-card ul li::before {
  content: '';
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-top: 0.5rem;
}

.contrast-card.old-way ul li::before { background: var(--color-text-dim); }
.contrast-card.new-way ul li::before { background: var(--color-accent); }

/* --- What Students Learn --- */
.learn-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.learn-card {
  display: flex;
  gap: 1.25rem;
  padding: 1.75rem;
  background: rgba(22, 22, 31, 0.4);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  transition: all 0.3s;
}

.learn-card:hover {
  border-color: var(--color-border-hover);
  background: rgba(30, 30, 42, 0.5);
}

.learn-card-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(232, 137, 26, 0.1);
  border: 1px solid rgba(232, 137, 26, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent-bright);
  font-family: var(--font-mono);
}

.learn-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  letter-spacing: -0.01em;
}

.learn-card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* --- Why Building --- */
.building-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 3rem;
  align-items: start;
}

.building-text p {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.building-text p strong {
  color: var(--color-text);
  font-weight: 600;
}

.book-card {
  background: linear-gradient(135deg, rgba(232, 137, 26, 0.08), rgba(196, 164, 106, 0.05));
  border: 1px solid rgba(232, 137, 26, 0.2);
  border-radius: 20px;
  padding: 2.5rem;
  text-align: center;
}

.book-card-icon {
  font-size: 3rem;
  margin-bottom: 1.25rem;
}

.book-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.book-card .book-author {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}

.book-card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

/* --- Philosophy Section --- */
.philosophy-section {
  background: linear-gradient(180deg, var(--color-bg) 0%, rgba(232, 137, 26, 0.03) 50%, var(--color-bg) 100%);
}

.philosophy-intro {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 750px;
  line-height: 1.8;
  margin-bottom: 3rem;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
}

.philosophy-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  border-radius: 14px;
  background: rgba(22, 22, 31, 0.3);
  border: 1px solid var(--color-border);
  transition: all 0.3s;
}

.philosophy-item:hover {
  border-color: rgba(232, 137, 26, 0.2);
  background: rgba(232, 137, 26, 0.03);
}

.philosophy-item-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: rgba(232, 137, 26, 0.1);
}

.philosophy-item h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.philosophy-item p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* --- University Section --- */
.university-section {
  position: relative;
}

.university-card {
  background: linear-gradient(135deg, rgba(196, 164, 106, 0.06), rgba(232, 137, 26, 0.04));
  border: 1px solid rgba(196, 164, 106, 0.18);
  border-radius: 24px;
  padding: 3.5rem;
  margin-top: 3rem;
  position: relative;
  overflow: hidden;
}

.university-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(196, 164, 106, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.university-card-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  background: rgba(196, 164, 106, 0.1);
  border: 1px solid rgba(196, 164, 106, 0.25);
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-secondary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.university-card h3 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.university-card p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  max-width: 700px;
  margin-bottom: 1rem;
}

.university-card p:last-of-type {
  margin-bottom: 2rem;
}

/* --- CTA / Waitlist Section --- */
.cta-section {
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-subtle) 100%);
}

.cta-container {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-container .section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
}

.cta-container .section-subtitle {
  margin: 0 auto 2.5rem;
}

.waitlist-form {
  display: flex;
  gap: 0.75rem;
  max-width: 500px;
  margin: 0 auto 2rem;
}

.waitlist-form input {
  flex: 1;
  padding: 0.85rem 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  color: var(--color-text);
  font-size: 0.95rem;
  font-family: var(--font-body);
  transition: border-color 0.3s;
  outline: none;
}

.waitlist-form input::placeholder {
  color: var(--color-text-dim);
}

.waitlist-form input:focus {
  border-color: var(--color-accent);
}

.waitlist-form button {
  flex-shrink: 0;
}

.cta-divider-text {
  color: var(--color-text-dim);
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}

.cta-alt-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* --- Footer --- */
.footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.9rem;
}

.footer-logo span {
  color: var(--color-accent-bright);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-links a {
  color: var(--color-text-dim);
  text-decoration: none;
  font-size: 0.825rem;
  transition: color 0.2s;
}

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

.footer-right {
  color: var(--color-text-dim);
  font-size: 0.8rem;
}

/* --- Animations --- */
@keyframes float-slow {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

/* Scroll reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.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; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.15s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.25s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.3s; }

.stagger-children.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .contrast-grid {
    grid-template-columns: 1fr;
  }
  .building-content {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .university-card {
    padding: 2.5rem 2rem;
  }
}

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

  .hero { padding: 7rem 1.5rem 4rem; }
  .hero-buttons { flex-direction: column; align-items: center; }

  .section { padding: 5rem 1.5rem; }

  .quote-block {
    padding: 1.5rem 1.75rem;
    font-size: 1.15rem;
  }

  .waitlist-form {
    flex-direction: column;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-left {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .hero-meta {
    flex-direction: column;
    gap: 0.75rem;
  }
  .learn-card {
    flex-direction: column;
    gap: 0.75rem;
  }
}