/* FullCorpus AI — Shared Styles */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #060b12;
  --bg2: #0b1221;
  --bg3: #101829;
  --bg4: #141f33;
  --border: rgba(255,255,255,0.07);
  --border2: rgba(255,255,255,0.12);
  --accent: #3b82f6;
  --accent2: #06b6d4;
  --accent3: #818cf8;
  --accent-glow: rgba(59,130,246,0.2);
  --text: #f1f5f9;
  --muted: #94a3b8;
  --faint: #334155;
  --glass: rgba(255,255,255,0.03);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── NAV ──────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  height: 64px;
  background: rgba(6,11,18,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.nav-logo-img {
  height: 40px;
  width: auto;
  display: block;
  border-radius: 6px;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.875rem;
  color: var(--muted);
  text-decoration: none;
  transition: color .2s;
  position: relative;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--accent2);
  border-radius: 2px;
}

.nav-cta {
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  padding: 0.5rem 1.25rem;
  border-radius: 6px;
  text-decoration: none;
  transition: opacity .2s, transform .2s;
}
.nav-cta:hover { opacity: 0.85; transform: translateY(-1px); }

.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 0.25rem;
}

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

/* ── SECTIONS BASE ────────────────────────────────────── */
section { padding: 6rem clamp(1.5rem, 5vw, 4rem); }

.section-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.section-label::before {
  content: '';
  width: 16px; height: 2px;
  background: var(--accent2);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-bottom: 1rem;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 540px;
  line-height: 1.75;
}

/* ── BUTTONS ──────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  transition: transform .2s, box-shadow .2s, opacity .2s;
  box-shadow: 0 0 32px var(--accent-glow);
  border: none;
  cursor: pointer;
  font-family: inherit;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 48px rgba(59,130,246,0.35);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  border: 1px solid var(--border2);
  color: var(--text);
  text-decoration: none;
  background: var(--glass);
  transition: background .2s, border-color .2s, transform .2s;
  cursor: pointer;
  font-family: inherit;
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-1px);
}

/* ── BADGE ────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent2);
  background: rgba(6,182,212,0.08);
  border: 1px solid rgba(6,182,212,0.22);
  padding: 0.4rem 1rem;
  border-radius: 999px;
  margin-bottom: 2rem;
}
.badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent2);
  animation: pulse 2s infinite;
  flex-shrink: 0;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.75); }
}

/* ── GRAD TEXT ────────────────────────────────────────── */
.grad {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.grad2 {
  background: linear-gradient(135deg, var(--accent2) 0%, var(--accent3) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── LLM STRIP ───────────────────────────────────────── */
.llm-strip {
  padding: 2.5rem clamp(1.5rem, 5vw, 4rem);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
  background: var(--bg2);
}
.llm-strip p {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 1.75rem;
}
.llm-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(2rem, 5vw, 5rem);
  flex-wrap: wrap;
}
.llm-pill {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--muted);
  opacity: 0.65;
  transition: opacity .2s;
}
.llm-pill:hover { opacity: 1; }
.llm-pill .dot { width: 9px; height: 9px; border-radius: 50%; }
.dot-gpt  { background: #10a37f; }
.dot-gem  { background: #4285f4; }
.dot-cla  { background: #d97757; }

/* ── FOOTER ──────────────────────────────────────────── */
footer {
  padding: 2rem clamp(1.5rem, 5vw, 4rem);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  background: var(--bg);
}
.footer-logo { font-size: 0.95rem; font-weight: 700; color: var(--text); }
.footer-logo span { color: var(--accent2); }
footer p { font-size: 0.78rem; color: var(--faint); }

/* ── SCROLL REVEAL ───────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .65s ease, transform .65s ease;
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ── GLASS CARD ──────────────────────────────────────── */
.glass-card {
  background: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);
  border: 1px solid var(--border);
  border-radius: 16px;
  backdrop-filter: blur(8px);
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.glass-card:hover {
  border-color: rgba(59,130,246,0.25);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.3);
}

/* ── PAGE HERO (non-home pages) ──────────────────────── */
.page-hero {
  padding: 7rem clamp(1.5rem, 5vw, 4rem) 4rem;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 80% at 20% 50%, rgba(59,130,246,0.1) 0%, transparent 60%),
              radial-gradient(ellipse 50% 60% at 80% 20%, rgba(6,182,212,0.07) 0%, transparent 60%);
  pointer-events: none;
}
.page-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(to bottom, black 0%, transparent 100%);
  pointer-events: none;
}
.page-hero-content { position: relative; max-width: 700px; }
.page-hero h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; margin-bottom: 1.25rem; }
.page-hero p { font-size: 1.1rem; color: var(--muted); line-height: 1.75; }