/* ========================================
   1. CSS VARIABLES & DESIGN TOKENS
   ======================================== */
:root {
  --color-bg-deep: #020204;
  --color-bg-surface: #0a0a12;
  --color-bg-elevated: #12121a;
  --color-text: #e0e2f0;
  --color-text-muted: #8b8fa6;
  --color-cyan: #00f0ff;
  --color-cyan-glow: rgba(0, 240, 255, 0.25);
  --color-violet: #bc13fe;
  --color-violet-glow: rgba(188, 19, 254, 0.25);
  --font-heading: 'Orbitron', sans-serif;
  --font-sub: 'Rajdhani', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius: 12px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   2. RESET & BASE STYLES
   ======================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg-deep);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

address {
  font-style: normal;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
}

body.menu-open {
  overflow: hidden;
}

/* ========================================
   3. TYPOGRAPHY
   ======================================== */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-label {
  font-family: var(--font-sub);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-cyan);
  margin-bottom: 1rem;
  display: inline-block;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: 0.5rem;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 60ch;
  margin: 1rem auto 0;
  line-height: 1.6;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-cyan), var(--color-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ========================================
   4. LAYOUT & UTILITIES
   ======================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 120px 0;
  position: relative;
}

.section-dark {
  background: linear-gradient(180deg, var(--color-bg-surface) 0%, rgba(10, 10, 18, 0.8) 100%);
}

/* ========================================
   5. NAVIGATION
   ======================================== */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.2rem 0;
  transition: all var(--transition);
}

.main-header.is-scrolled {
  background: rgba(11, 11, 18, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 0.8rem 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--color-text);
}

.logo-icon {
  color: var(--color-cyan);
  font-size: 1.8rem;
  line-height: 1;
}

.nav-list {
  display: flex;
  gap: 2.5rem;
}

.nav-link {
  font-family: var(--font-sub);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  position: relative;
  transition: color var(--transition);
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--color-text);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-cyan), var(--color-violet));
  transition: width var(--transition);
}

.nav-link:hover::after,
.nav-link.is-active::after {
  width: 100%;
}

.mobile-toggle {
  display: none;
  width: 40px;
  height: 40px;
  position: relative;
  z-index: 1001;
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: all var(--transition);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition);
}

.hamburger::before {
  top: -7px;
}

.hamburger::after {
  top: 7px;
}

.mobile-toggle.is-open .hamburger {
  background: transparent;
}

.mobile-toggle.is-open .hamburger::before {
  transform: rotate(45deg);
  top: 0;
}

.mobile-toggle.is-open .hamburger::after {
  transform: rotate(-45deg);
  top: 0;
}

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

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, transparent 0%, var(--color-bg-deep) 80%);
  z-index: 1;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  border: 1px solid rgba(0, 240, 255, 0.2);
  background: rgba(0, 240, 255, 0.05);
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  font-family: var(--font-sub);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 2rem;
  color: var(--color-cyan);
}

.badge-pulse {
  width: 8px;
  height: 8px;
  background: var(--color-cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--color-cyan);
  animation: pulse 2s infinite;
}

.hero-title {
  font-size: clamp(2.5rem, 5.5vw, 4.8rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 2.2rem;
  font-family: var(--font-sub);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(90deg, var(--color-cyan), var(--color-violet));
  color: var(--color-bg-deep);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.15);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(0, 240, 255, 0.3);
}

.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--color-text);
}

.btn-outline:hover {
  border-color: var(--color-cyan);
  color: var(--color-cyan);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.1);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-text);
  font-family: var(--font-sub);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-violet);
}

.btn-full {
  width: 100%;
}

.btn-loader {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(0, 0, 0, 0.3);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

button.is-loading .btn-text {
  display: none;
}

button.is-loading .btn-loader {
  display: inline-block;
}

button.is-success {
  background: linear-gradient(90deg, #00f0ff, #00ff9d);
}

.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.scroll-line {
  display: block;
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--color-cyan), transparent);
  animation: scrollPulse 2s infinite;
}

/* Floating Dashboards */
.hero-floats {
  position: absolute;
  right: 4%;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  display: none;
  flex-direction: column;
  gap: 1.5rem;
}

@media (min-width: 1400px) {
  .hero-floats {
    display: flex;
  }
}

.float-card {
  width: 260px;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 1.5rem;
  animation: float 6s ease-in-out infinite;
}

.float-card:nth-child(2) {
  animation-delay: -3s;
}

.float-label {
  font-family: var(--font-sub);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.float-value {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.float-bar {
  height: 3px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 2px;
  overflow: hidden;
}

.float-bar span {
  display: block;
  height: 100%;
  width: 92%;
  background: linear-gradient(90deg, var(--color-cyan), var(--color-violet));
  animation: fillBar 3s ease-out infinite alternate;
}

.float-meta {
  font-family: var(--font-sub);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
}

/* ========================================
   7. SYSTEMS (ABOUT) SECTION
   ======================================== */
.systems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.system-card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  padding: 2.5rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.system-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 240, 255, 0.2);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 240, 255, 0.05);
}

.system-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: rgba(0, 240, 255, 0.05);
  border: 1px solid rgba(0, 240, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  color: var(--color-cyan);
  position: relative;
}

.system-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.system-card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 5rem;
  text-align: center;
}

.stat-item {
  padding: 1.5rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3vw, 3rem);
  background: linear-gradient(135deg, var(--color-cyan), var(--color-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
  line-height: 1;
}

.stat-suffix {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--color-cyan), var(--color-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  display: block;
  margin-top: 0.75rem;
  font-family: var(--font-sub);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ========================================
   8. PROGRAMS SECTION
   ======================================== */
.programs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.program-card {
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 24px;
  padding: 3rem 2rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}

.program-card:hover {
  transform: translateY(-12px);
  border-color: rgba(0, 240, 255, 0.2);
  box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.6), 0 0 40px rgba(0, 240, 255, 0.06);
}

.program-visual {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 2rem;
  position: relative;
}

.program-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  opacity: 0.15;
  color: var(--color-cyan);
  transition: opacity var(--transition);
}

.program-card:hover .program-number {
  opacity: 0.35;
}

.program-glow {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-cyan-glow), transparent 70%);
  filter: blur(15px);
  position: absolute;
  right: 0;
  top: -10px;
}

.program-glow--violet {
  background: radial-gradient(circle, var(--color-violet-glow), transparent 70%);
}

.program-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.program-card > p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.program-meta {
  display: flex;
  gap: 1rem;
  font-family: var(--font-sub);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-cyan);
  font-weight: 600;
}

.program-meta li {
  position: relative;
}

.program-meta li:not(:last-child)::after {
  content: '•';
  margin-left: 1rem;
  opacity: 0.4;
}

/* ========================================
   9. BLOCKCHAIN LAB (GALLERY)
   ======================================== */
.lab-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 4rem;
}

.lab-card {
  border-radius: 20px;
  overflow: hidden;
  background: var(--color-bg-elevated);
  border: 1px solid rgba(255, 255, 255, 0.04);
  transition: all var(--transition);
}

.lab-card:hover {
  transform: translateY(-8px);
  border-color: rgba(188, 19, 254, 0.25);
  box-shadow: 0 25px 50px -10px rgba(0, 0, 0, 0.5), 0 0 30px rgba(188, 19, 254, 0.05);
}

.lab-image {
  position: relative;
  height: 220px;
  background-color: var(--color-bg-deep);
  overflow: hidden;
}

.lab-image::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.6;
  z-index: 1;
}

.lab-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(255, 255, 255, 0.03) 10px, rgba(255, 255, 255, 0.03) 11px),
    repeating-linear-gradient(-45deg, transparent, transparent 10px, rgba(255, 255, 255, 0.03) 10px, rgba(255, 255, 255, 0.03) 11px);
  z-index: 2;
}

.placeholder-neuro::before { background: linear-gradient(160deg, rgba(0, 240, 255, 0.2), transparent); }
.placeholder-guard::before { background: linear-gradient(160deg, rgba(188, 19, 254, 0.2), transparent); }
.placeholder-dao::before { background: linear-gradient(160deg, rgba(0, 240, 255, 0.1), rgba(188, 19, 254, 0.1)); }
.placeholder-ledger::before { background: linear-gradient(160deg, rgba(255, 255, 255, 0.08), transparent); }
.placeholder-nft::before { background: linear-gradient(160deg, rgba(0, 240, 255, 0.15), rgba(0, 255, 200, 0.05)); }
.placeholder-oracle::before { background: linear-gradient(160deg, rgba(188, 19, 254, 0.15), rgba(0, 240, 255, 0.05)); }

.lab-content {
  padding: 2rem;
}

.lab-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.lab-platform {
  display: inline-block;
  padding: 0.3rem 1rem;
  background: rgba(188, 19, 254, 0.08);
  border: 1px solid rgba(188, 19, 254, 0.15);
  color: var(--color-violet);
  font-family: var(--font-sub);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 100px;
  margin-bottom: 1rem;
}

.lab-content p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.lab-content strong {
  color: var(--color-text);
  font-weight: 600;
}

/* ========================================
   10. CONTACT SECTION
   ======================================== */
.contact {
  overflow: hidden;
}

.contact-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.4;
}

.contact .container {
  position: relative;
  z-index: 1;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3rem;
  margin-top: 4rem;
}

.glass-panel {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 24px;
  padding: 3rem;
  position: relative;
}

.glass-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 24px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(188, 19, 254, 0.1), transparent 60%);
  -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: 0.4;
}

.contact-info h3,
.contact-form h3 {
  font-size: 1.5rem;
  margin-bottom: 2rem;
}

.info-list li {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.info-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(0, 240, 255, 0.05);
  border: 1px solid rgba(0, 240, 255, 0.1);
  color: var(--color-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
  position: relative;
}

.info-list strong {
  display: block;
  font-family: var(--font-sub);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.info-list a,
.info-list address {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--color-text);
  transition: color var(--transition);
}

.info-list a:hover {
  color: var(--color-cyan);
}

.contact-cta {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.contact-cta p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.form-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.form-status {
  font-family: var(--font-sub);
  font-size: 0.8rem;
  color: var(--color-violet);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
  padding-left: 1.2rem;
}

.form-status::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: var(--color-violet);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-violet);
  animation: pulse 2s infinite;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.6rem;
  font-family: var(--font-sub);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 0.9rem 1.2rem;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(139, 143, 166, 0.5);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238b8fa6'%3E%3Cpath d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1.2rem center;
}

.form-group select option {
  background: var(--color-bg-elevated);
  color: var(--color-text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 4px var(--color-cyan-glow);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* ========================================
   11. FOOTER
   ======================================== */
.main-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding: 80px 0 30px;
  background: var(--color-bg-deep);
}

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

.footer-brand .logo {
  margin-bottom: 1.5rem;
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer-links h4 {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
  color: var(--color-text);
}

.footer-links a {
  display: block;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
  transition: color var(--transition);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ========================================
   12. ANIMATIONS & KEYFRAMES
   ======================================== */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(0, 240, 255, 0.4);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.1);
    box-shadow: 0 0 0 10px rgba(0, 240, 255, 0);
  }
}

@keyframes scrollPulse {
  0%, 100% {
    opacity: 0.4;
    transform: scaleY(0.8);
  }
  50% {
    opacity: 1;
    transform: scaleY(1);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes fillBar {
  from {
    width: 30%;
  }
  to {
    width: 92%;
  }
}

[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
  will-change: transform, opacity;
}

[data-animate="fade-in"] {
  transform: translateY(0);
}

[data-animate="slide-right"] {
  transform: translateX(-40px);
}

[data-animate="slide-left"] {
  transform: translateX(40px);
}

[data-animate].is-visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* ========================================
   13. RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1024px) {
  .lab-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .section {
    padding: 90px 0;
  }
}

@media (max-width: 768px) {
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 80%;
    max-width: 340px;
    background: rgba(10, 10, 18, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid rgba(255, 255, 255, 0.05);
    padding: 6rem 2rem 2rem;
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 999;
  }

  .main-nav.is-open {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    gap: 1.5rem;
  }

  .mobile-toggle {
    display: block;
  }

  .systems-grid,
  .programs-grid {
    grid-template-columns: 1fr;
  }

  .lab-grid {
    grid-template-columns: 1fr;
  }

  .stats-row {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 3rem;
  }

  .stat-item {
    padding: 1rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }

  .footer-brand p {
    max-width: 100%;
    margin: 0 auto;
  }

  .glass-panel {
    padding: 2rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .section {
    padding: 70px 0;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .stats-row {
    grid-template-columns: 1fr;
  }

  .program-visual {
    margin-bottom: 1.5rem;
  }

  .contact-grid {
    gap: 2rem;
  }
}