/* ============================================================================
   Loom Labs AI — Marketing site design system
   Theme: deep-space robotics, vibrant aurora gradients, floating glass widgets
   ========================================================================== */

:root {
  /* canvas */
  --bg: #05060f;
  --bg-2: #0a0c1d;
  --panel: rgba(255, 255, 255, 0.04);
  --panel-strong: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.10);
  --border-glow: rgba(139, 92, 246, 0.45);

  /* ink */
  --ink: #eef1ff;
  --muted: #9aa1c9;
  --faint: #6b7099;

  /* vibrant brand spectrum */
  --violet: #8b5cf6;
  --violet-2: #a78bfa;
  --indigo: #6366f1;
  --cyan: #22d3ee;
  --sky: #38bdf8;
  --pink: #f472b6;
  --magenta: #e64bd4;
  --lime: #b4f461;
  --amber: #fbbf24;

  /* gradients */
  --grad-brand: linear-gradient(120deg, #a78bfa 0%, #22d3ee 55%, #f472b6 100%);
  --grad-violet: linear-gradient(135deg, #8b5cf6, #6366f1);
  --grad-cyan: linear-gradient(135deg, #22d3ee, #38bdf8);
  --grad-pink: linear-gradient(135deg, #f472b6, #e64bd4);

  /* glows */
  --glow-violet: 0 0 0 1px rgba(139, 92, 246, 0.35), 0 20px 60px -15px rgba(139, 92, 246, 0.55);
  --glow-cyan: 0 0 0 1px rgba(34, 211, 238, 0.3), 0 20px 60px -15px rgba(34, 211, 238, 0.5);
  --shadow-card: 0 30px 80px -30px rgba(0, 0, 0, 0.8);

  --radius: 20px;
  --radius-sm: 14px;
  --maxw: 1180px;

  --font-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ---- animated aurora + grid backdrop ---- */
.backdrop { position: fixed; inset: 0; z-index: -2; overflow: hidden; background: radial-gradient(120% 120% at 50% -10%, #11132e 0%, var(--bg) 55%); }
.blob { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.5; mix-blend-mode: screen; animation: drift 22s ease-in-out infinite; }
.blob.v { width: 520px; height: 520px; background: #8b5cf6; top: -120px; left: -80px; }
.blob.c { width: 460px; height: 460px; background: #22d3ee; top: 10%; right: -120px; animation-delay: -7s; }
.blob.p { width: 420px; height: 420px; background: #e64bd4; bottom: -140px; left: 30%; animation-delay: -14s; }
.grid-overlay {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(120% 80% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(120% 80% at 50% 0%, #000 30%, transparent 75%);
}
@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(60px, 40px) scale(1.1); }
  66% { transform: translate(-40px, 20px) scale(0.95); }
}

/* ---- layout ---- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
section { position: relative; padding: 110px 0; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-size: 13px; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--violet-2);
  padding: 7px 14px; border: 1px solid var(--border); border-radius: 100px;
  background: var(--panel); backdrop-filter: blur(8px);
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 12px var(--lime); animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: 0.4; transform: scale(0.8); } }

h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 1.05; letter-spacing: -0.02em; }
.h-section { font-size: clamp(32px, 5vw, 52px); margin: 18px 0 14px; }
.lede { font-size: clamp(16px, 2vw, 19px); color: var(--muted); max-width: 620px; }
.center { text-align: center; }
.center .lede { margin-left: auto; margin-right: auto; }
.gradient-text { background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---- buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-display); font-weight: 600; font-size: 15px;
  padding: 13px 22px; border-radius: 100px; border: 1px solid transparent;
  cursor: pointer; text-decoration: none; transition: transform 0.2s, box-shadow 0.3s, background 0.3s;
  white-space: nowrap;
}
.btn-primary { color: #0a0a16; background: var(--grad-brand); background-size: 200% 200%; box-shadow: 0 10px 30px -8px rgba(139, 92, 246, 0.6); animation: shimmer 6s ease infinite; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -8px rgba(34, 211, 238, 0.6); }
@keyframes shimmer { 50% { background-position: 100% 50%; } }
.btn-ghost { color: var(--ink); background: var(--panel); border-color: var(--border); backdrop-filter: blur(8px); }
.btn-ghost:hover { border-color: var(--border-glow); transform: translateY(-2px); background: var(--panel-strong); }
.btn-lg { padding: 16px 30px; font-size: 16px; }

/* ---- nav ---- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(16px); background: rgba(5, 6, 15, 0.6);
  border-bottom: 1px solid transparent; transition: border-color 0.3s, background 0.3s;
}
.nav.scrolled { border-bottom-color: var(--border); background: rgba(5, 6, 15, 0.85); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 11px; font-family: var(--font-display); font-weight: 700; font-size: 19px; color: var(--ink); text-decoration: none; }
.brand .mark { width: 34px; height: 34px; border-radius: 10px; background: var(--grad-violet); display: grid; place-items: center; box-shadow: var(--glow-violet); position: relative; }
.brand .mark::after { content: ""; position: absolute; inset: 3px; border-radius: 8px; border: 1.5px solid rgba(255,255,255,0.5); }
.brand .mark span { width: 8px; height: 8px; border-radius: 50%; background: #fff; box-shadow: 0 0 10px #fff; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 15px; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: var(--ink); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; background: none; border: 0; color: var(--ink); cursor: pointer; }

/* ---- hero ---- */
.hero { padding: 70px 0 90px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 40px; align-items: center; }
.hero h1 { font-size: clamp(40px, 6.4vw, 74px); }
.hero .lede { margin: 22px 0 30px; font-size: clamp(17px, 2vw, 20px); }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 26px; margin-top: 30px; flex-wrap: wrap; }
.hero-meta div { font-size: 13px; color: var(--faint); }
.hero-meta b { display: block; font-family: var(--font-display); font-size: 22px; color: var(--ink); background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---- AI core orb + floating widgets ---- */
.stage { position: relative; height: 520px; }
.orb {
  position: absolute; top: 50%; left: 50%; width: 230px; height: 230px; transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #c4b5fd, #7c3aed 45%, #4c1d95 75%);
  box-shadow: 0 0 80px rgba(139, 92, 246, 0.7), inset 0 0 60px rgba(255, 255, 255, 0.25);
  animation: floaty 7s ease-in-out infinite;
}
.orb::before, .orb::after { content: ""; position: absolute; inset: -38px; border-radius: 50%; border: 1.5px solid rgba(34, 211, 238, 0.4); animation: spin 14s linear infinite; }
.orb::after { inset: -70px; border-color: rgba(244, 114, 182, 0.3); border-style: dashed; animation-duration: 26s; animation-direction: reverse; }
.orb .face { position: absolute; inset: 0; display: grid; place-items: center; }
.orb .eye { width: 26px; height: 26px; border-radius: 50%; background: #04030f; box-shadow: inset 0 0 0 4px #22d3ee, 0 0 18px #22d3ee; position: relative; }
.orb .eye + .eye { margin-left: 18px; }
.orb .eyes { display: flex; }
@keyframes floaty { 50% { transform: translate(-50%, calc(-50% - 16px)); } }
@keyframes spin { to { transform: rotate(360deg); } }

.widget {
  position: absolute; padding: 14px; border-radius: var(--radius-sm);
  background: linear-gradient(150deg, rgba(20,22,46,0.92), rgba(12,13,30,0.92));
  border: 1px solid var(--border); box-shadow: var(--shadow-card); backdrop-filter: blur(12px);
  width: 220px; animation: floaty 6s ease-in-out infinite; will-change: transform;
}
.widget .wtitle { font-family: var(--font-display); font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 7px; margin-bottom: 9px; }
.widget .badge { font-size: 10px; font-weight: 700; padding: 2px 7px; border-radius: 100px; }
.b-lime { background: rgba(180,244,97,0.16); color: var(--lime); }
.b-pink { background: rgba(244,114,182,0.16); color: var(--pink); }
.b-cyan { background: rgba(34,211,238,0.16); color: var(--cyan); }
.w-chat { top: 8%; left: -4%; animation-delay: -1s; }
.w-card { bottom: 12%; right: -6%; animation-delay: -3s; width: 200px; }
.w-stat { bottom: 2%; left: 4%; animation-delay: -2s; width: 170px; }
.chat-line { display: flex; gap: 8px; align-items: flex-start; margin-bottom: 8px; font-size: 12.5px; }
.chat-line .av { width: 22px; height: 22px; border-radius: 7px; background: var(--grad-cyan); flex: none; }
.chat-bubble { background: rgba(255,255,255,0.06); border: 1px solid var(--border); padding: 7px 10px; border-radius: 10px; color: var(--ink); }
.bignum { font-family: var(--font-display); font-size: 30px; font-weight: 700; }
.spark { display: flex; align-items: flex-end; gap: 4px; height: 34px; margin-top: 8px; }
.spark i { flex: 1; border-radius: 3px 3px 0 0; background: var(--grad-violet); opacity: 0.85; }

/* ---- generic card grid ---- */
.grid { display: grid; gap: 20px; }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  position: relative; padding: 26px; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--border); backdrop-filter: blur(10px);
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s; overflow: hidden;
}
.card::before { content: ""; position: absolute; inset: 0; background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(139,92,246,0.14), transparent 60%); opacity: 0; transition: opacity 0.3s; }
.card:hover { transform: translateY(-6px); border-color: var(--border-glow); box-shadow: var(--glow-violet); }
.card:hover::before { opacity: 1; }
.icon {
  width: 48px; height: 48px; border-radius: 13px; display: grid; place-items: center;
  font-size: 22px; margin-bottom: 16px; border: 1px solid var(--border);
  background: linear-gradient(140deg, rgba(139,92,246,0.25), rgba(34,211,238,0.12));
  box-shadow: inset 0 0 20px rgba(139,92,246,0.2);
}
.card h3 { font-size: 19px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 15px; }

/* ---- steps ---- */
.steps { counter-reset: step; }
.step { display: flex; gap: 18px; align-items: flex-start; }
.step .num {
  flex: none; width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 700; font-size: 18px; color: #0a0a16;
  background: var(--grad-brand); box-shadow: 0 8px 24px -8px rgba(34,211,238,0.6);
}

/* ---- stats band ---- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 36px; border-radius: var(--radius); background: linear-gradient(120deg, rgba(139,92,246,0.12), rgba(34,211,238,0.08)); border: 1px solid var(--border); }
.stat .v { font-family: var(--font-display); font-size: clamp(30px, 4vw, 44px); font-weight: 700; }
.stat .l { color: var(--muted); font-size: 14px; }

/* ---- pricing ---- */
.price-card { display: flex; flex-direction: column; gap: 14px; padding: 30px; }
.price-card.featured { border-color: var(--border-glow); box-shadow: var(--glow-violet); background: linear-gradient(160deg, rgba(139,92,246,0.14), var(--panel)); }
.price-card .tier { font-family: var(--font-display); font-weight: 600; font-size: 15px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--violet-2); }
.price-card .amt { font-family: var(--font-display); font-size: 46px; font-weight: 700; }
.price-card .amt span { font-size: 16px; color: var(--muted); font-weight: 500; }
.price-card ul { list-style: none; display: flex; flex-direction: column; gap: 10px; margin: 6px 0 8px; }
.price-card li { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; color: var(--muted); }
.price-card li::before { content: "✦"; color: var(--cyan); }
.tag-pop { position: absolute; top: 16px; right: 16px; font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: 100px; background: var(--grad-pink); color: #fff; }

/* ---- CTA ---- */
.cta-box { text-align: center; padding: 70px 32px; border-radius: 28px; position: relative; overflow: hidden;
  background: linear-gradient(135deg, rgba(139,92,246,0.18), rgba(34,211,238,0.12)); border: 1px solid var(--border-glow); }
.cta-box::after { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 80% at 50% 120%, rgba(244,114,182,0.25), transparent); }
.cta-box > * { position: relative; }

/* ---- footer ---- */
footer { border-top: 1px solid var(--border); padding: 56px 0 36px; color: var(--muted); }
.foot-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 30px; margin-bottom: 36px; }
.foot-grid h4 { font-family: var(--font-display); font-size: 13px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--faint); margin-bottom: 14px; }
.foot-grid a { display: block; color: var(--muted); text-decoration: none; font-size: 14px; padding: 4px 0; }
.foot-grid a:hover { color: var(--ink); }
.foot-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; border-top: 1px solid var(--border); font-size: 13px; flex-wrap: wrap; gap: 12px; }

/* ---- reveal on scroll ---- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s cubic-bezier(.2,.7,.2,1), transform 0.7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }

/* ---- responsive ---- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .stage { height: 380px; margin-top: 10px; }
  .cols-3, .cols-4 { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: block; }
  .nav.open .nav-links { display: flex; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; gap: 0; padding: 12px 24px; background: rgba(7,8,20,0.97); border-bottom: 1px solid var(--border); }
  .nav.open .nav-links a { padding: 12px 0; }
}
@media (max-width: 560px) {
  .cols-3, .cols-4, .cols-2, .stats { grid-template-columns: 1fr; }
  section { padding: 80px 0; }
}