/* ============================================
   EYESHUM Technologies — Marketing Site
   Design System: Dark Industrial-Tech, 2026
   ============================================ */

/* --- Design Tokens --- */
:root {
  /* Backgrounds */
  --bg-primary: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-surface: #1a1a26;
  --bg-subtle: #222230;

  /* Cyan Accent (matches EYESHUM logo glow) */
  --cyan-500: #00e5ff;
  --cyan-400: #18ffff;
  --cyan-300: #84ffff;
  --cyan-900: #003d47;
  --cyan-glow: rgba(0, 229, 255, 0.15);
  --cyan-glow-strong: rgba(0, 229, 255, 0.3);

  /* PuckControl Green (subsidiary accent) */
  --pc-green: #00c853;
  --pc-green-dark: #009624;
  --pc-green-glow: rgba(0, 200, 83, 0.15);

  /* Text */
  --text-bright: #ffffff;
  --text-primary: #e8eaed;
  --text-secondary: #9aa0a6;
  --text-muted: #5f6368;

  /* Borders */
  --border: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(0, 229, 255, 0.2);
  --border-green: rgba(0, 200, 83, 0.3);

  /* Structural */
  --radius: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --max-width: 1200px;
  --transition: 0.3s ease;
  --nav-height: 72px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-bright);
  line-height: 1.1;
}

h1 { font-size: clamp(2.8rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.8rem); letter-spacing: 1px; }
h4 { font-size: 1.1rem; letter-spacing: 1px; }

a {
  color: var(--cyan-500);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover { color: var(--cyan-400); }

img { max-width: 100%; height: auto; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Section Shared --- */
.section {
  padding: 120px 0;
  position: relative;
}

.section-badge {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 3px;
  padding: 6px 16px;
  border-radius: 4px;
  background: var(--cyan-900);
  color: var(--cyan-300);
  margin-bottom: 20px;
}

.section-badge--green {
  background: rgba(0, 200, 83, 0.1);
  color: var(--pc-green);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-top: 16px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  border: 2px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1;
}

.btn .icon {
  width: 18px;
  height: 18px;
}

.btn-primary {
  background: var(--cyan-500);
  color: var(--bg-primary);
  border-color: var(--cyan-500);
  box-shadow: 0 0 20px var(--cyan-glow);
}

.btn-primary:hover {
  background: var(--cyan-400);
  color: var(--bg-primary);
  box-shadow: 0 0 30px var(--cyan-glow-strong);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--cyan-500);
  border-color: var(--cyan-500);
}

.btn-outline:hover {
  background: var(--cyan-500);
  color: var(--bg-primary);
  box-shadow: 0 0 20px var(--cyan-glow);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}

.btn-ghost:hover {
  color: var(--text-bright);
  border-color: var(--text-secondary);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

.btn-green {
  background: var(--pc-green);
  color: var(--bg-primary);
  border-color: var(--pc-green);
  box-shadow: 0 0 20px var(--pc-green-glow);
}

.btn-green:hover {
  background: #00e676;
  box-shadow: 0 0 30px rgba(0, 200, 83, 0.3);
  transform: translateY(-2px);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}

.nav.scrolled {
  background: rgba(10, 10, 15, 0.95);
  border-bottom-color: var(--border-accent);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  filter: drop-shadow(0 0 8px var(--cyan-glow));
}

.nav-logo-text {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--text-bright);
  text-transform: uppercase;
  letter-spacing: 3px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-links a {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--cyan-500);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-actions .btn {
  padding: 10px 20px;
  font-size: 0.85rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 8px;
}

.nav-toggle .icon {
  width: 24px;
  height: 24px;
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: radial-gradient(ellipse at 50% 30%, rgba(0, 229, 255, 0.06) 0%, transparent 60%),
              var(--bg-primary);
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-scanlines {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 229, 255, 0.012) 2px,
    rgba(0, 229, 255, 0.012) 4px
  );
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: 80px 24px 60px;
}

.hero-logo-wrapper {
  position: relative;
  display: inline-block;
  margin-bottom: 40px;
}

.hero-logo {
  width: 140px;
  height: 140px;
  object-fit: contain;
  position: relative;
  z-index: 2;
}

.hero-logo-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200px;
  height: 200px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, var(--cyan-glow-strong) 0%, transparent 70%);
  z-index: 1;
  animation: pulseGlow 3s ease-in-out infinite;
}

.hero-title {
  margin-bottom: 24px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.text-accent { color: var(--cyan-500); }
.text-accent-green { color: var(--pc-green); }

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 12px;
  line-height: 1.8;
}

.hero-mission {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--cyan-300);
  letter-spacing: 1px;
  max-width: 640px;
  margin: 0 auto 40px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0;
  max-width: 700px;
  margin: 0 auto;
  overflow: hidden;
}

.hero-stat {
  flex: 1;
  padding: 20px 24px;
  text-align: center;
}

.hero-stat + .hero-stat {
  border-left: 1px solid var(--border);
}

.hero-stat-number {
  display: block;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--cyan-500);
  letter-spacing: 1px;
}

.hero-stat-label {
  display: block;
  font-size: 0.72rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}

/* --- Crisis Section --- */
.crisis { background: var(--bg-primary); }

.crisis-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* --- Card (shared pattern) --- */
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: all var(--transition);
}

.card:hover {
  border-color: var(--border-accent);
  box-shadow: 0 0 30px var(--cyan-glow);
  transform: translateY(-4px);
}

.card--green:hover {
  border-color: var(--border-green);
  box-shadow: 0 0 30px var(--pc-green-glow);
}

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: var(--cyan-900);
  color: var(--cyan-500);
  margin-bottom: 24px;
}

.card-icon .icon {
  width: 24px;
  height: 24px;
}

.card-icon--green {
  background: rgba(0, 200, 83, 0.1);
  color: var(--pc-green);
}

.card-icon--red {
  background: rgba(220, 38, 38, 0.1);
  color: #f87171;
}

.card-label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--cyan-300);
  margin-bottom: 12px;
}

.card-label--green {
  color: var(--pc-green);
}

.card-label--red {
  color: #f87171;
}

.card h3 {
  margin-bottom: 16px;
}

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

.card-stat {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.card-stat strong {
  color: var(--cyan-500);
  font-size: 1.1rem;
}

/* --- Standard Section --- */
.standard { background: var(--bg-surface); }

.standard-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* --- Architecture Section --- */
.architecture { background: var(--bg-primary); }

.arch-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 64px;
}

.arch-core {
  position: relative;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 2px solid var(--cyan-500);
  box-shadow: 0 0 40px var(--cyan-glow), inset 0 0 40px var(--cyan-glow);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  z-index: 2;
}

.arch-core-logo {
  width: 72px;
  height: 72px;
  object-fit: contain;
  margin-bottom: 8px;
}

.arch-core-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.55rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--cyan-300);
  text-align: center;
  padding: 0 16px;
  line-height: 1.6;
}

.arch-connector {
  width: 2px;
  height: 60px;
  background: repeating-linear-gradient(
    to bottom,
    var(--cyan-500) 0px,
    var(--cyan-500) 6px,
    transparent 6px,
    transparent 12px
  );
  opacity: 0.5;
}

.arch-branch {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  width: 100%;
  max-width: 800px;
  position: relative;
}

.arch-branch::before {
  content: '';
  position: absolute;
  top: 0;
  left: 25%;
  right: 25%;
  height: 2px;
  background: repeating-linear-gradient(
    to right,
    var(--cyan-500) 0px,
    var(--cyan-500) 6px,
    transparent 6px,
    transparent 12px
  );
  opacity: 0.3;
}

.arch-deployments {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  width: 100%;
  max-width: 800px;
}

.arch-deploy-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
}

.arch-deploy-card--active {
  border-color: var(--border-green);
  box-shadow: 0 0 20px var(--pc-green-glow);
}

.arch-deploy-card--coming {
  opacity: 0.4;
  border-style: dashed;
}

.arch-deploy-icon {
  font-size: 2.4rem;
  margin-bottom: 12px;
  line-height: 1;
}

.arch-deploy-name {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-bright);
  margin-bottom: 4px;
}

.arch-deploy-sport {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.arch-status-badge {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 4px 12px;
  border-radius: 4px;
}

.arch-status-badge--live {
  background: rgba(0, 200, 83, 0.15);
  color: var(--pc-green);
  box-shadow: 0 0 8px var(--pc-green-glow);
}

.arch-status-badge--soon {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
}

.arch-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
}

.arch-feature {
  text-align: center;
  padding: 24px 16px;
}

.arch-feature .icon {
  width: 32px;
  height: 32px;
  color: var(--cyan-500);
  margin-bottom: 12px;
}

.arch-feature h4 {
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.arch-feature p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* --- Flagship (PuckControl) Section --- */
.flagship { background: var(--bg-surface); }

.flagship-header .section-header {
  margin-bottom: 48px;
}

.flagship-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.flagship-mini-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.mini-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  transition: all var(--transition);
}

.mini-card:hover {
  border-color: var(--border-green);
  box-shadow: 0 0 20px var(--pc-green-glow);
  transform: translateY(-2px);
}

.mini-card .icon {
  width: 28px;
  height: 28px;
  color: var(--pc-green);
  margin-bottom: 12px;
}

.mini-card h4 {
  font-size: 0.82rem;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.mini-card p {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* --- Proof (Testimonials) Section --- */
.proof { background: var(--bg-primary); }

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.proof-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: all var(--transition);
}

.proof-card:hover {
  border-color: var(--border-accent);
  box-shadow: 0 0 20px var(--cyan-glow);
}

.proof-quote-mark {
  font-size: 3rem;
  line-height: 1;
  color: var(--cyan-500);
  opacity: 0.3;
  font-family: Georgia, serif;
  margin-bottom: 16px;
}

.proof-text {
  font-size: 1rem;
  color: var(--text-primary);
  font-style: italic;
  line-height: 1.8;
  margin-bottom: 24px;
}

.proof-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.proof-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 2px solid var(--cyan-500);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--cyan-500);
}

.proof-author-info {
  display: flex;
  flex-direction: column;
}

.proof-author-name {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-bright);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.proof-author-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- CTA Section --- */
.cta-section {
  padding: 120px 0;
  background: var(--bg-surface);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, var(--cyan-glow) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-content h2 {
  margin-bottom: 20px;
}

.cta-content p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 36px;
  line-height: 1.8;
}

/* --- Contact Section --- */
.contact { background: var(--bg-primary); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 48px;
  align-items: start;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--cyan-500);
  box-shadow: 0 0 0 3px var(--cyan-glow);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239aa0a6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

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

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

.contact-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
}

.sidebar-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.sidebar-card h3 {
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.sidebar-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sidebar-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.sidebar-list .icon {
  width: 20px;
  height: 20px;
  color: var(--cyan-500);
  flex-shrink: 0;
  margin-top: 2px;
}

.sidebar-contact {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.sidebar-contact p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.sidebar-contact a {
  font-size: 0.9rem;
}

/* --- Footer --- */
.footer {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
}

.footer-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  margin-bottom: 16px;
  filter: drop-shadow(0 0 6px var(--cyan-glow));
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 300px;
}

.footer-links h4 {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--cyan-500);
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-legal a:hover {
  color: var(--text-secondary);
}

/* --- Animations --- */
@keyframes pulseGlow {
  0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.08); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Scroll-triggered animation base state */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
}

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

/* --- Responsive --- */

/* Tablet */
@media (max-width: 1024px) {
  .section { padding: 80px 0; }

  .crisis-grid,
  .standard-grid,
  .proof-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

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

  .arch-deployments {
    gap: 16px;
  }

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

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

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .section { padding: 60px 0; }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    flex-direction: column;
    gap: 0;
    list-style: none;
  }

  .nav-links a {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-actions {
    display: none;
  }

  .nav-actions.open {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px 24px 16px;
    position: absolute;
    top: calc(var(--nav-height) + 100%);
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
  }

  .nav-toggle {
    display: block;
  }

  .hero-content {
    padding: 40px 16px 40px;
  }

  .hero-logo {
    width: 90px;
    height: 90px;
  }

  .hero-logo-glow {
    width: 130px;
    height: 130px;
  }

  .hero-grid-overlay {
    display: none;
  }

  .hero-stats {
    flex-direction: column;
  }

  .hero-stat + .hero-stat {
    border-left: none;
    border-top: 1px solid var(--border);
  }

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

  .arch-core {
    width: 160px;
    height: 160px;
  }

  .arch-core-logo {
    width: 56px;
    height: 56px;
  }

  .arch-deployments {
    grid-template-columns: 1fr;
    max-width: 320px;
  }

  .arch-connector {
    height: 40px;
  }

  .arch-branch::before {
    display: none;
  }

  .arch-features {
    grid-template-columns: 1fr;
  }

  .flagship-mini-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .cta-section { padding: 80px 0; }
}

@media (max-width: 480px) {
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.6rem; }

  .card {
    padding: 28px 20px;
  }

  .hero-content {
    padding: 24px 12px 32px;
  }

  .btn-lg {
    padding: 14px 24px;
    font-size: 0.95rem;
  }
}