static/css/landing.css

/* ═══════════════════════════════════════════════════════════════
   ICH Pipeline — Landing Page Stylesheet
   ═══════════════════════════════════════════════════════════════ */

:root {
  --bg:      #070d1a;
  --bg2:     #0c1427;
  --panel:   #111c33;
  --panel2:  #162244;
  --line:    #243356;
  --accent:  #6ea8fe;
  --accent2: #818cf8;
  --text:    #e8ecf6;
  --muted:   #8ba0c4;
  --green:   #34d399;
  --red:     #fb7185;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Topbar ─────────────────────────────────────────────────── */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 16px 32px;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(7,13,26,0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(36,51,86,0.5);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, rgba(110,168,254,0.13), rgba(129,140,248,0.13));
  border: 1px solid rgba(110,168,254,0.3);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
}
.brand-name { font-weight: 800; font-size: 1rem; color: var(--text); }
.brand-name span { color: var(--accent); }
.nav-actions { display: flex; gap: 12px; align-items: center; }

.btn-ghost {
  padding: 8px 20px; border-radius: 10px; font-weight: 600;
  font-size: 0.9rem; text-decoration: none; color: var(--muted);
  transition: color 0.15s;
}
.btn-ghost:hover { color: var(--text); }

.btn-primary {
  padding: 9px 22px; border-radius: 10px; font-weight: 700;
  font-size: 0.9rem; text-decoration: none;
  background: linear-gradient(135deg, #6ea8fe, #818cf8);
  color: #070d1a;
  transition: opacity 0.15s, transform 0.15s;
  display: inline-flex; align-items: center; gap: 7px;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 120px 24px 80px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 900px 600px at 50% 0%,  rgba(110,168,254,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 600px 400px at 80% 80%, rgba(129,140,248,0.10) 0%, transparent 65%),
    radial-gradient(ellipse 500px 400px at 10% 70%, rgba(52,211,153,0.06)  0%, transparent 60%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; max-width: 820px; width: 100%; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px; border-radius: 100px;
  background: rgba(110,168,254,0.1);
  border: 1px solid rgba(110,168,254,0.25);
  font-size: 0.82rem; font-weight: 600;
  color: var(--accent); margin-bottom: 32px;
  animation: fadeUp 0.6s ease both;
}
.badge-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  font-weight: 900; line-height: 1.1;
  letter-spacing: -0.03em;
  animation: fadeUp 0.6s 0.1s ease both;
}
.hero h1 .grad {
  background: linear-gradient(135deg, #6ea8fe 0%, #818cf8 50%, #34d399 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  max-width: 600px; margin: 24px auto 0;
  font-size: 1.15rem; color: var(--muted); line-height: 1.7;
  animation: fadeUp 0.6s 0.2s ease both;
}
.hero-ctas {
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
  margin-top: 44px;
  animation: fadeUp 0.6s 0.3s ease both;
}

.btn-hero {
  padding: 14px 32px; border-radius: 12px; font-weight: 700;
  font-size: 1rem; text-decoration: none;
  display: inline-flex; align-items: center; gap: 9px;
  transition: all 0.2s;
}
.btn-hero-primary {
  background: linear-gradient(135deg, #6ea8fe, #818cf8);
  color: #070d1a;
  box-shadow: 0 4px 32px rgba(110,168,254,0.35);
}
.btn-hero-primary:hover  { transform: translateY(-2px); box-shadow: 0 8px 40px rgba(110,168,254,0.45); }
.btn-hero-secondary {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--line);
  color: var(--text);
}
.btn-hero-secondary:hover { background: rgba(255,255,255,0.09); transform: translateY(-2px); }

/* ── Trust bar ──────────────────────────────────────────────── */
.trust-bar {
  display: flex; gap: 32px; justify-content: center; flex-wrap: wrap;
  margin-top: 60px; padding-top: 40px;
  border-top: 1px solid rgba(36,51,86,0.5);
  animation: fadeUp 0.6s 0.4s ease both;
}
.trust-item { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 0.88rem; font-weight: 500; }
.trust-item svg { color: var(--accent); flex-shrink: 0; }

/* ── Stats strip ────────────────────────────────────────────── */
.stats-strip {
  background: var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 40px 24px;
}
.stats-inner {
  max-width: 900px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, 1fr);
}
.stat-item { text-align: center; padding: 8px 24px; }
.stat-item + .stat-item { border-left: 1px solid var(--line); }
.stat-num  { font-size: 2.5rem; font-weight: 900; color: var(--accent); letter-spacing: -0.03em; }
.stat-desc { color: var(--muted); font-size: 0.9rem; margin-top: 4px; }

/* ── Features ───────────────────────────────────────────────── */
.features { padding: 100px 24px; }

.section-label {
  text-align: center; font-size: 0.82rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 16px;
}
.section-title {
  text-align: center; font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800; margin-bottom: 14px;
}
.section-sub {
  text-align: center; color: var(--muted); max-width: 540px;
  margin: 0 auto 60px; font-size: 1rem;
}

.features-grid {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.feat-card {
  background: linear-gradient(160deg, var(--panel2), var(--panel));
  border: 1px solid var(--line);
  border-radius: 18px; padding: 32px 28px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.feat-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.4); }
.feat-icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: rgba(110,168,254,0.1);
  border: 1px solid rgba(110,168,254,0.2);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent); margin-bottom: 20px;
}
.feat-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.feat-card p  { color: var(--muted); font-size: 0.92rem; line-height: 1.65; }

/* ── How it works ───────────────────────────────────────────── */
.how {
  padding: 80px 24px 100px;
  background: var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.steps {
  max-width: 860px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.step { text-align: center; }
.step-num {
  width: 52px; height: 52px; border-radius: 50%;
  background: linear-gradient(135deg, rgba(110,168,254,0.2), rgba(129,140,248,0.2));
  border: 1px solid rgba(110,168,254,0.35);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; font-weight: 900; color: var(--accent);
  margin: 0 auto 16px;
}
.step h4 { font-weight: 700; font-size: 0.95rem; margin-bottom: 8px; }
.step p   { color: var(--muted); font-size: 0.85rem; line-height: 1.6; }

/* ── CTA section ────────────────────────────────────────────── */
.cta-section {
  padding: 100px 24px; text-align: center;
  background: radial-gradient(ellipse 800px 400px at 50% 50%, rgba(110,168,254,0.08) 0%, transparent 70%);
}
.cta-section h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 900; margin-bottom: 14px; }
.cta-section p  { color: var(--muted); font-size: 1rem; margin-bottom: 40px; }

/* ── Disclaimer ─────────────────────────────────────────────── */
.disclaimer {
  max-width: 680px; margin: 0 auto 60px;
  padding: 16px 20px; border-radius: 12px;
  background: rgba(251,113,133,0.07);
  border: 1px solid rgba(251,113,133,0.2);
  color: #fca5a5; font-size: 0.85rem; line-height: 1.6;
  display: flex; gap: 12px; align-items: flex-start;
}
.disclaimer svg { flex-shrink: 0; margin-top: 2px; }

/* ── Footer ─────────────────────────────────────────────────── */
footer {
  padding: 32px 24px; text-align: center;
  border-top: 1px solid var(--line);
  color: var(--muted); font-size: 0.85rem;
}

/* ── Animations ─────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  .features-grid, .steps { grid-template-columns: 1fr 1fr; }
  .stats-inner { grid-template-columns: 1fr; }
  .stat-item + .stat-item { border-left: none; border-top: 1px solid var(--line); }
  .topbar { padding: 14px 20px; }
}
@media (max-width: 480px) {
  .features-grid, .steps { grid-template-columns: 1fr; }
  .nav-actions .btn-ghost { display: none; }
}