/* DepthDrift — Subterranean Luxury Theme */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600;700;800;900&family=Cinzel+Decorative:wght@400;700;900&family=Outfit:wght@300;400;500;600;700&display=swap');

/* === Tokens === */
:root {
  --void: #08080f;
  --obsidian: #0d0d18;
  --basalt: #131322;
  --slate: #1a1a30;
  --stone: #242445;
  --crystal-cyan: #3de8ff;
  --crystal-blue: #4a9eff;
  --crystal-deep: #2563eb;
  --amber: #f0a830;
  --amber-dim: #c48820;
  --ember: #ff6b35;
  --ghost: rgba(255, 255, 255, 0.06);
  --ghost-md: rgba(255, 255, 255, 0.1);
  --ghost-lg: rgba(255, 255, 255, 0.15);
  --text-primary: #e8e8f0;
  --text-secondary: #9a9ab8;
  --text-dim: #6a6a88;
  --glow-cyan: 0 0 30px rgba(61, 232, 255, 0.3), 0 0 60px rgba(61, 232, 255, 0.1);
  --glow-amber: 0 0 30px rgba(240, 168, 48, 0.3), 0 0 60px rgba(240, 168, 48, 0.1);
  --font-display: 'Cinzel Decorative', serif;
  --font-heading: 'Cinzel', serif;
  --font-body: 'Outfit', sans-serif;
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--void);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* === Noise Overlay === */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
}

/* === Floating Crystal Particles === */
.particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: var(--crystal-cyan);
  box-shadow: 0 0 6px var(--crystal-cyan), 0 0 12px rgba(61, 232, 255, 0.3);
  animation: drift linear infinite;
  opacity: 0;
}
.particle:nth-child(odd) {
  background: var(--amber);
  box-shadow: 0 0 6px var(--amber), 0 0 12px rgba(240, 168, 48, 0.3);
}
.particle:nth-child(1)  { left: 5%;  animation-duration: 18s; animation-delay: 0s;   width: 3px; height: 3px; }
.particle:nth-child(2)  { left: 15%; animation-duration: 22s; animation-delay: 2s;   }
.particle:nth-child(3)  { left: 25%; animation-duration: 16s; animation-delay: 4s;   width: 2.5px; height: 2.5px; }
.particle:nth-child(4)  { left: 35%; animation-duration: 20s; animation-delay: 1s;   }
.particle:nth-child(5)  { left: 45%; animation-duration: 24s; animation-delay: 3s;   width: 3px; height: 3px; }
.particle:nth-child(6)  { left: 55%; animation-duration: 17s; animation-delay: 5s;   }
.particle:nth-child(7)  { left: 65%; animation-duration: 21s; animation-delay: 0.5s; width: 2.5px; height: 2.5px; }
.particle:nth-child(8)  { left: 75%; animation-duration: 19s; animation-delay: 3.5s; }
.particle:nth-child(9)  { left: 85%; animation-duration: 23s; animation-delay: 1.5s; }
.particle:nth-child(10) { left: 92%; animation-duration: 15s; animation-delay: 4.5s; width: 3px; height: 3px; }

@keyframes drift {
  0%   { transform: translateY(110vh) scale(0); opacity: 0; }
  10%  { opacity: 0.7; }
  90%  { opacity: 0.7; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

/* === Layout === */
.page-wrap {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 3rem);
}
.container--narrow {
  max-width: 800px;
}

/* === Header / Nav === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 1rem 0;
  background: rgba(8, 8, 15, 0.8);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--ghost);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.3s;
}
.logo:hover { color: var(--crystal-cyan); }
.logo span {
  color: var(--crystal-cyan);
  text-shadow: 0 0 20px rgba(61, 232, 255, 0.4);
}

nav { display: flex; gap: 0.25rem; }
nav a {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  transition: all 0.25s;
  letter-spacing: 0.02em;
}
nav a:hover {
  color: var(--text-primary);
  background: var(--ghost);
}
nav a.active {
  color: var(--crystal-cyan);
  background: rgba(61, 232, 255, 0.08);
}

/* Mobile nav */
.nav-toggle { display: none; background: none; border: none; color: var(--text-primary); cursor: pointer; padding: 0.5rem; }
@media (max-width: 640px) {
  .nav-toggle { display: block; font-size: 1.5rem; }
  nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(8, 8, 15, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--ghost);
    padding: 1rem;
    gap: 0.25rem;
    display: none;
  }
  nav.open { display: flex; }
  nav a { padding: 0.75rem 1rem; }
}

/* === Hero (index only) === */
.hero {
  position: relative;
  padding: clamp(4rem, 12vw, 10rem) 0 clamp(3rem, 8vw, 6rem);
  text-align: center;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(61, 232, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--void), transparent);
  pointer-events: none;
}
.hero-icon {
  font-size: clamp(3rem, 6vw, 5rem);
  display: block;
  margin-bottom: 1.5rem;
  animation: pulse-glow 3s ease-in-out infinite;
}
@keyframes pulse-glow {
  0%, 100% { filter: drop-shadow(0 0 8px rgba(61, 232, 255, 0.3)); }
  50%      { filter: drop-shadow(0 0 24px rgba(61, 232, 255, 0.6)); }
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1.1;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--crystal-cyan) 50%, var(--amber) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero .subtitle {
  font-family: var(--font-heading);
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: var(--text-secondary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.hero .desc {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: var(--text-dim);
  max-width: 520px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
}
.app-store-badge {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--ghost);
  border: 1px solid var(--ghost-md);
  border-radius: 14px;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.app-store-badge:hover {
  background: var(--ghost-md);
  border-color: var(--ghost-lg);
  transform: translateY(-2px);
  box-shadow: var(--glow-cyan);
}
.app-store-badge img { height: 44px; display: block; }

/* === Page Hero (subpages) === */
.page-hero {
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(2rem, 5vw, 3rem);
  text-align: center;
  position: relative;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(61, 232, 255, 0.04) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero-icon {
  font-size: clamp(2.5rem, 5vw, 4rem);
  display: block;
  margin-bottom: 1rem;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}
.page-hero .meta {
  font-size: 0.9rem;
  color: var(--text-dim);
}

/* === Sections === */
.section {
  padding: clamp(3rem, 6vw, 5rem) 0;
  position: relative;
}
.section--alt {
  background: linear-gradient(180deg, var(--obsidian) 0%, var(--void) 100%);
}
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 3rem;
  letter-spacing: 0.04em;
  color: var(--text-primary);
}
.section-title .accent {
  color: var(--crystal-cyan);
  text-shadow: 0 0 20px rgba(61, 232, 255, 0.3);
}

/* === Separator === */
.cave-sep {
  position: relative;
  height: 60px;
  overflow: hidden;
}
.cave-sep::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--crystal-cyan), transparent);
  opacity: 0.4;
}
.cave-sep::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 6px;
  height: 6px;
  background: var(--crystal-cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--crystal-cyan);
}

/* === Feature Cards === */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}
.feature-card {
  position: relative;
  padding: 2rem;
  background: linear-gradient(135deg, var(--basalt) 0%, var(--obsidian) 100%);
  border: 1px solid var(--ghost);
  border-radius: 16px;
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(61, 232, 255, 0.15), transparent 50%, rgba(240, 168, 48, 0.1));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s;
}
.feature-card:hover::before { opacity: 1; }
.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(61, 232, 255, 0.15);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(61, 232, 255, 0.05);
}
.feature-icon {
  font-size: 2.25rem;
  margin-bottom: 1rem;
  display: block;
}
.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  letter-spacing: 0.03em;
}
.feature-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* === Class Cards === */
.class-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}
.class-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--basalt);
  border: 1px solid var(--ghost);
  border-radius: 12px;
  transition: all 0.35s;
}
.class-card:hover {
  border-color: rgba(61, 232, 255, 0.2);
  background: var(--slate);
  transform: translateX(4px);
}
.class-icon { font-size: 1.75rem; flex-shrink: 0; }
.class-card h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}
.class-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* === Steps === */
.steps { display: flex; flex-direction: column; gap: 2rem; max-width: 680px; margin: 0 auto; }
.step {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}
.step-num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--void);
  background: linear-gradient(135deg, var(--amber), var(--ember));
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(240, 168, 48, 0.25);
}
.step h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}
.step p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* === Requirements Box === */
.req-box {
  max-width: 440px;
  margin: 0 auto;
  padding: 2rem;
  background: var(--basalt);
  border: 1px solid var(--ghost);
  border-radius: 16px;
  text-align: center;
}
.req-box h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  color: var(--crystal-cyan);
}
.req-box ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.req-box li {
  font-size: 0.92rem;
  color: var(--text-secondary);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--ghost);
}
.req-box li:last-child { border-bottom: none; }

/* === Content Cards (legal/faq pages) === */
.content-card {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: linear-gradient(135deg, var(--basalt) 0%, rgba(13, 13, 24, 0.6) 100%);
  border: 1px solid var(--ghost);
  border-radius: 16px;
  margin-bottom: 1.5rem;
  transition: border-color 0.3s;
}
.content-card:hover {
  border-color: var(--ghost-md);
}
.content-card h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  font-weight: 600;
  margin-bottom: 1.25rem;
  letter-spacing: 0.03em;
}
.content-card h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--amber);
  margin-bottom: 0.75rem;
  margin-top: 1.25rem;
}
.content-card h3:first-of-type { margin-top: 0; }
.content-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 0.75rem;
}
.content-card p:last-child { margin-bottom: 0; }
.content-card ul {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0;
}
.content-card li {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.8;
  padding-left: 1.5rem;
  position: relative;
}
.content-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--crystal-cyan);
  box-shadow: 0 0 6px rgba(61, 232, 255, 0.4);
}

/* === FAQ Accordion === */
.faq-group {
  margin-bottom: 2rem;
}
.faq-group-title {
  font-family: var(--font-heading);
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  font-weight: 600;
  color: var(--amber);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--ghost);
  letter-spacing: 0.03em;
}
.faq-item {
  padding: 1.25rem 1.5rem;
  background: var(--basalt);
  border: 1px solid var(--ghost);
  border-radius: 12px;
  margin-bottom: 0.75rem;
  transition: all 0.3s;
  cursor: pointer;
}
.faq-item:hover {
  border-color: var(--ghost-md);
  background: var(--slate);
}
.faq-item.open {
  border-color: rgba(61, 232, 255, 0.15);
}
button.faq-q {
  appearance: none;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  color: inherit;
  width: 100%;
  padding: 0;
}
.faq-q {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.faq-q .chevron {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  transition: transform 0.3s;
  font-size: 0.75rem;
}
.faq-item.open .chevron { transform: rotate(180deg); color: var(--crystal-cyan); }
.faq-a {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), margin-top 0.3s;
}
.faq-item.open .faq-a {
  max-height: 200px;
  margin-top: 1rem;
}

/* === Contact Cards === */
.contact-grid {
  display: grid;
  gap: 1.25rem;
}
.contact-card {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  padding: 1.5rem;
  background: var(--basalt);
  border: 1px solid var(--ghost);
  border-radius: 14px;
  transition: all 0.35s;
}
.contact-card:hover {
  border-color: var(--ghost-md);
  transform: translateY(-2px);
}
.contact-icon {
  font-size: 1.75rem;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ghost);
  border-radius: 12px;
}
.contact-card h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}
.contact-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0.25rem;
}
.contact-card .email {
  color: var(--crystal-cyan);
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s;
}
.contact-card .email:hover { color: var(--amber); }
.contact-card ul {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0;
}
.contact-card li {
  font-size: 0.85rem;
  color: var(--text-dim);
  padding: 0.15rem 0;
}

/* === Contact Form === */
#contact-form {
  margin-top: 1.25rem;
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-primary);
}
.form-group select,
.form-group textarea,
.form-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--obsidian);
  border: 1px solid var(--ghost-md);
  border-radius: 10px;
  outline: none;
  transition: border-color 0.2s;
}
.form-group select:focus,
.form-group textarea:focus,
.form-group input:focus {
  border-color: var(--crystal-cyan);
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}
#submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2.5rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--void);
  background: linear-gradient(135deg, var(--crystal-cyan), var(--crystal-blue));
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
}
#submit-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  opacity: 0.9;
}
#submit-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
#form-status {
  margin-top: 12px;
  font-size: 14px;
  min-height: 20px;
}
#form-status.success { color: #22c55e; }
#form-status.error   { color: #ef4444; }

/* === Info Box === */
.info-box {
  padding: 1.5rem 2rem;
  background: var(--basalt);
  border: 1px solid var(--ghost);
  border-radius: 14px;
  margin-top: 1.5rem;
}
.info-box h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.info-box p, .info-box a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
.info-box a {
  color: var(--crystal-cyan);
  text-decoration: none;
  transition: color 0.2s;
}
.info-box a:hover { color: var(--amber); }

/* === CTA Box === */
.cta-box {
  text-align: center;
  padding: 2.5rem 2rem;
  background: linear-gradient(135deg, rgba(61, 232, 255, 0.04), rgba(240, 168, 48, 0.04));
  border: 1px solid var(--ghost);
  border-radius: 16px;
  margin-top: 2rem;
}
.cta-box h2 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.cta-box p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}
.cta-btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--void);
  background: linear-gradient(135deg, var(--crystal-cyan), var(--crystal-blue));
  padding: 0.75rem 2rem;
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.35s;
  box-shadow: 0 4px 20px rgba(61, 232, 255, 0.2);
}
.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(61, 232, 255, 0.35);
}

/* === Navigation Links (index bottom) === */
.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  padding: 2rem 0;
}
.nav-link {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.65rem 1.5rem;
  border: 1px solid var(--ghost-md);
  border-radius: 10px;
  transition: all 0.3s;
}
.nav-link:hover {
  color: var(--crystal-cyan);
  border-color: rgba(61, 232, 255, 0.3);
  background: rgba(61, 232, 255, 0.05);
}

/* === Footer === */
.site-footer {
  margin-top: auto;
  padding: 2rem 0;
  border-top: 1px solid var(--ghost);
}
.site-footer p {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

/* === Entrance Animations === */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
.delay-6 { animation-delay: 0.6s; }
.delay-7 { animation-delay: 0.7s; }
.delay-8 { animation-delay: 0.8s; }

/* === Scroll Reveal === */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === Focus Styles === */
:focus-visible {
  outline: 2px solid var(--crystal-cyan);
  outline-offset: 2px;
}
a:focus-visible, .cta-btn:focus-visible, .nav-link:focus-visible {
  outline: 2px solid var(--crystal-cyan);
  outline-offset: 2px;
  border-radius: 4px;
}
.faq-item:focus-visible {
  outline: 2px solid var(--crystal-cyan);
  outline-offset: 2px;
}

/* === Reduced Motion === */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .particle { display: none; }
  .fade-up { opacity: 1; transform: none; }
  .reveal { opacity: 1; transform: none; }
}

/* === Utility === */
.text-cyan { color: var(--crystal-cyan); }
.text-amber { color: var(--amber); }
.text-dim { color: var(--text-dim); }
.mt-0 { margin-top: 0; }