/* Is This AI — shared styles */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #060d1f;
  --bg-2: #0b1e3f;
  --surface: rgba(255,255,255,0.04);
  --surface-2: rgba(255,255,255,0.07);
  --border: rgba(56,189,248,0.18);
  --border-strong: rgba(56,189,248,0.35);
  --cyan: #38bdf8;
  --cyan-2: #22d3ee;
  --cyan-soft: #7dd3fc;
  --purple: #a78bfa;
  --text: #e6edf7;
  --muted: #94a3b8;
  --radius: 18px;
  --radius-lg: 26px;
  --ease: cubic-bezier(.22,.61,.36,1);
}
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--cyan); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--cyan-soft); }
img { max-width: 100%; display: block; }

/* Animated backdrop */
.backdrop {
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(1200px 800px at 10% -10%, rgba(56,189,248,0.22), transparent 60%),
    radial-gradient(900px 700px at 110% 10%, rgba(167,139,250,0.18), transparent 60%),
    radial-gradient(800px 600px at 50% 120%, rgba(34,211,238,0.15), transparent 60%),
    linear-gradient(180deg, #060d1f 0%, #081329 100%);
}
.backdrop::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(56,189,248,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  animation: gridShift 24s linear infinite;
}
@keyframes gridShift {
  0% { background-position: 0 0, 0 0; }
  100% { background-position: 48px 48px, 48px 48px; }
}
.orb {
  position: fixed; z-index: -1;
  width: 520px; height: 520px; border-radius: 50%;
  filter: blur(120px); opacity: .55;
  pointer-events: none;
  animation: float 18s ease-in-out infinite;
}
.orb.a { background: #38bdf8; top: -160px; left: -120px; }
.orb.b { background: #a78bfa; bottom: -200px; right: -150px; animation-delay: -6s; }
.orb.c { background: #22d3ee; top: 40%; left: 45%; width: 380px; height: 380px; opacity: .25; animation-delay: -12s; }
@keyframes float {
  0%,100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(40px,-30px) scale(1.08); }
}

/* NAV */
nav.site {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 32px;
  background: rgba(6,13,31,0.72);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 16px; color: var(--text); }
.brand img { width: 32px; height: 32px; border-radius: 8px; box-shadow: 0 0 18px rgba(56,189,248,0.45); }
.brand em { font-style: normal; background: linear-gradient(90deg,var(--cyan),var(--purple)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a { color: var(--muted); font-size: 14px; }
.nav-links a:hover { color: var(--text); }
.nav-cta {
  padding: 9px 18px;
  background: linear-gradient(135deg,var(--cyan),var(--purple));
  border-radius: 999px; color: #041025 !important; font-weight: 600;
  box-shadow: 0 6px 24px rgba(56,189,248,0.28);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 10px 30px rgba(56,189,248,0.45); }

/* Layout */
.container { max-width: 1180px; margin-left: auto; margin-right: auto; padding-left: 28px; padding-right: 28px; }
section { padding-top: 64px; padding-bottom: 64px; position: relative; }
@media (max-width: 720px) { section { padding-top: 44px; padding-bottom: 44px; } }
.section-head { max-width: 720px; margin-bottom: 36px; }
.section-head h2 { margin-top: 12px; margin-bottom: 0; }
.section-head p { color: var(--muted); margin-top: 12px; }
@media (max-width: 720px) { section { padding: 56px 0; } }
h1,h2,h3 { color: var(--text); letter-spacing: -0.02em; line-height: 1.15; }
h1 { font-size: clamp(40px, 6vw, 72px); font-weight: 800; }
h2 { font-size: clamp(28px, 3.4vw, 44px); font-weight: 700; margin-bottom: 18px; }
h2 .eyebrow + & { margin-top: 14px; }
.eyebrow + h2 { margin-top: 14px; }
h3 { font-size: 20px; font-weight: 600; }
section > .container > .reveal:first-child,
section.container > .reveal:first-child { margin-bottom: 56px; }
.gradient-text { background: linear-gradient(100deg,var(--cyan) 10%,var(--purple) 60%,var(--cyan-2) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; background-size: 200% auto; animation: shine 6s linear infinite; }
@keyframes shine { to { background-position: 200% center; } }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border: 1px solid var(--border-strong);
  background: rgba(56,189,248,0.08);
  border-radius: 999px; font-size: 12px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--cyan-soft);
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity:1; transform: scale(1);} 50%{opacity:.5; transform: scale(0.85);} }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px; border-radius: 999px; font-weight: 600; font-size: 15px;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
  border: 1px solid transparent;
}
.btn-primary {
  background: linear-gradient(135deg,var(--cyan),var(--purple));
  color: #041025;
  box-shadow: 0 10px 32px rgba(56,189,248,0.32);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 44px rgba(56,189,248,0.5); color: #041025; }
.btn-ghost { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-ghost:hover { background: var(--surface-2); color: var(--text); border-color: var(--border-strong); }

/* Footer */
footer.site {
  border-top: 1px solid var(--border);
  padding: 36px 28px;
  display: flex; flex-wrap: wrap; gap: 18px;
  align-items: center; justify-content: center;
  color: var(--muted); font-size: 13px;
  background: rgba(6,13,31,0.6);
}
footer.site a { color: var(--muted); }
footer.site a:hover { color: var(--text); }
footer.site .sep { opacity: .4; }
footer.site .copy { margin-left: auto; }
@media (max-width: 640px) { footer.site .copy { margin-left: 0; width: 100%; text-align: center; } }

/* Legal page */
.legal main { max-width: 820px; margin: 0 auto; padding: 64px 28px 96px; }
.legal .eyebrow { margin-bottom: 16px; }
.legal h1 { font-size: clamp(36px, 5vw, 56px); margin-bottom: 10px; }
.legal .updated { color: var(--muted); font-size: 14px; margin-bottom: 28px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.legal h2 { font-size: 22px; margin: 32px 0 12px; color: var(--cyan-soft); }
.legal h2:first-of-type { margin-top: 8px; }
.legal p, .legal li { color: #cbd5e1; font-size: 15.5px; }
.legal ul { padding-left: 22px; margin: 8px 0 16px; }
.legal li { margin: 6px 0; }
.legal .highlight {
  background: linear-gradient(135deg, rgba(56,189,248,0.10), rgba(167,139,250,0.10));
  border: 1px solid var(--border-strong);
  border-left: 3px solid var(--cyan);
  padding: 16px 20px; border-radius: 14px;
  margin: 20px 0;
}
.legal .highlight.warn { border-left-color: var(--purple); }
.legal strong { color: var(--text); }