/* LucentIQ Landing Pages - Shared Styles */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-dark: #0f172a;
  --bg-card: #1e293b;
  --bg-card-hover: #334155;
  --blue: #2563eb;
  --blue-light: #3b82f6;
  --blue-glow: rgba(37, 99, 235, 0.15);
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --border: #334155;
  --radius: 12px;
  --max-w: 1100px;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: var(--bg-dark);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue-light); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- NAV ---- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--blue-light); }
.nav-links { display: flex; gap: 1.5rem; list-style: none; }
.nav-links a {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); text-decoration: none; }

/* Hamburger */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--text); margin: 5px 0;
  transition: transform 0.2s, opacity 0.2s;
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; flex-direction: column;
    position: absolute; top: 60px; left: 0; right: 0;
    background: rgba(15, 23, 42, 0.98);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem;
    gap: 0.75rem;
  }
  .nav-links.open { display: flex; }
}

/* ---- HERO ---- */
.hero {
  padding: 8rem 1.5rem 4rem;
  text-align: center;
  max-width: var(--max-w);
  margin: 0 auto;
}
.hero-badge {
  display: inline-block;
  background: var(--blue-glow);
  color: var(--blue-light);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}
.hero h1 em {
  font-style: normal;
  color: var(--blue-light);
}
.hero .subhead {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 2rem;
  line-height: 1.5;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-block;
  background: var(--blue);
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  padding: 0.85rem 2rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  text-decoration: none;
}
.btn:hover { background: var(--blue-light); transform: translateY(-1px); text-decoration: none; }
.btn-outline {
  background: transparent;
  border: 2px solid var(--blue);
  color: var(--blue-light);
}
.btn-outline:hover { background: var(--blue-glow); }

/* ---- SECTIONS ---- */
section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 4rem 1.5rem;
}
.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--blue-light);
  margin-bottom: 0.75rem;
}
.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}
.divider {
  border: none;
  border-top: 1px solid var(--border);
  max-width: var(--max-w);
  margin: 0 auto;
}

/* ---- PROBLEM SECTION ---- */
.problem p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  max-width: 720px;
}
.problem strong { color: var(--text); }

/* ---- FEATURE CARDS ---- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color 0.2s, background 0.2s;
}
.feature-card:hover {
  border-color: var(--blue);
  background: var(--bg-card-hover);
}
.feature-icon {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}
.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.feature-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* ---- STATS ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}
.stat-card {
  text-align: center;
  padding: 2rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--blue-light);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.stat-label {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ---- CTA SECTION ---- */
.cta-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  text-align: center;
  max-width: var(--max-w);
  margin: 2rem auto 4rem;
}
.cta-section h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.cta-section .cta-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 2rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.cta-portrait {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 3px solid var(--blue);
  margin: 1.5rem auto 0.5rem;
  object-fit: cover;
}
.cta-name {
  font-weight: 600;
  font-size: 0.95rem;
}
.cta-role {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ---- FOOTER ---- */
.footer {
  text-align: center;
  padding: 2rem 1.5rem;
  color: var(--text-dim);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
}

/* ---- INDEX PAGE ---- */
.index-hero { padding-bottom: 2rem; }
.pages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}
.page-link-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
  text-decoration: none;
  color: var(--text);
}
.page-link-card:hover {
  border-color: var(--blue);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  text-decoration: none;
}
.page-link-card .card-tag {
  font-size: 0.75rem;
  color: var(--blue-light);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}
.page-link-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}
.page-link-card p {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.5;
}
.page-link-card .arrow {
  display: inline-block;
  color: var(--blue-light);
  font-size: 0.85rem;
  margin-top: 0.75rem;
  font-weight: 600;
}

/* ---- OTHER CAPABILITIES (MINI GRID) ---- */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}
.cap-item {
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.cap-item h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}
.cap-item p {
  color: var(--text-muted);
  font-size: 0.825rem;
  line-height: 1.45;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 640px) {
  .hero { padding: 6.5rem 1rem 3rem; }
  section { padding: 3rem 1rem; }
  .cta-section { padding: 2rem 1.25rem; margin: 1.5rem 1rem 3rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr; }
}