/* ================================================================
   LLM-Inference — Futuristic Design System
   ================================================================ */

:root {
  /* Palette */
  --bg-0: #05060a;
  --bg-1: #0a0c14;
  --bg-2: #11141f;
  --surface: rgba(18, 22, 36, 0.55);
  --surface-2: rgba(24, 28, 46, 0.7);
  --border: rgba(120, 140, 220, 0.14);
  --border-strong: rgba(140, 160, 240, 0.32);

  --text: #e6ebff;
  --text-dim: #9aa3c4;
  --text-mute: #5b6485;

  --cyan: #5eead4;
  --cyan-glow: rgba(94, 234, 212, 0.45);
  --violet: #a78bfa;
  --violet-glow: rgba(167, 139, 250, 0.45);
  --magenta: #f472b6;
  --blue: #60a5fa;
  --amber: #fbbf24;

  /* Fonts */
  --font-sans: "Inter", "Inter Fallback", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --font-display: "Space Grotesk", "Inter", sans-serif;
  --accent2: #22d3ee;

  /* Layout */
  --maxw: 1180px;
  --radius: 16px;
  --radius-sm: 10px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--bg-0);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

/* ── Animated background ── */
.bg-mesh {
  position: fixed; inset: 0; z-index: -2; overflow: hidden;
  background:
    radial-gradient(1200px 700px at 12% -10%, rgba(94, 234, 212, 0.10), transparent 60%),
    radial-gradient(1000px 600px at 88% 8%, rgba(167, 139, 250, 0.12), transparent 60%),
    radial-gradient(900px 600px at 50% 110%, rgba(244, 114, 182, 0.08), transparent 60%),
    var(--bg-0);
}
.bg-grid {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(120, 140, 220, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 140, 220, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 75%);
}
.bg-orb {
  position: fixed; z-index: -1; border-radius: 50%; filter: blur(80px);
  opacity: 0.5; pointer-events: none;
  animation: drift 18s ease-in-out infinite alternate;
}
.bg-orb.a { width: 420px; height: 420px; top: -120px; left: -80px; background: radial-gradient(circle, var(--cyan-glow), transparent 70%); }
.bg-orb.b { width: 520px; height: 520px; top: 10%; right: -160px; background: radial-gradient(circle, var(--violet-glow), transparent 70%); animation-delay: -6s; }
@keyframes drift {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, 30px) scale(1.1); }
}

/* ── Typography ── */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }
p  { color: var(--text-dim); }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--text-dim); }
code, pre, .mono { font-family: var(--font-mono); }
.gradient-text {
  background: linear-gradient(120deg, var(--cyan), var(--violet) 60%, var(--magenta));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ── Layout helpers ── */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: clamp(64px, 9vw, 120px) 0; position: relative; }
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head .eyebrow { display: inline-block; font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--cyan); margin-bottom: 16px; }
.section-head p { margin-top: 16px; }

/* ── Nav ── */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  background: rgba(5, 6, 10, 0.6);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); font-weight: 700; letter-spacing: -0.01em; }
.brand .logo {
  width: 32px; height: 32px; border-radius: 9px;
  background: conic-gradient(from 220deg, var(--cyan), var(--violet), var(--magenta), var(--cyan));
  box-shadow: 0 0 20px var(--cyan-glow), inset 0 0 8px rgba(0,0,0,0.4);
  position: relative;
}
.brand .logo::after {
  content: ""; position: absolute; inset: 7px; border-radius: 50%;
  background: var(--bg-0); border: 1px solid var(--border-strong);
}
.brand span { font-size: 1.05rem; }
.brand span em { color: var(--cyan); font-style: normal; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { font-size: 0.92rem; color: var(--text-dim); transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.nav-cta {
  padding: 9px 18px; border-radius: 999px; font-size: 0.88rem; font-weight: 600;
  background: linear-gradient(120deg, var(--cyan), var(--violet));
  color: #05060a; transition: transform .2s, box-shadow .2s;
  box-shadow: 0 0 0 0 var(--cyan-glow);
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 0 24px var(--cyan-glow); }
@media (max-width: 720px) { .nav-links a:not(.nav-cta) { display: none; } }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 22px; border-radius: 999px; font-weight: 600; font-size: 0.95rem;
  transition: transform .2s, box-shadow .2s, background .2s; white-space: nowrap;
}
.btn-primary { background: linear-gradient(120deg, var(--cyan), var(--violet)); color: #05060a; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px var(--violet-glow); }
.btn-ghost { border: 1px solid var(--border-strong); color: var(--text); background: var(--surface); }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-2px); }

/* ── Cards / Glass ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 28px;
  transition: border-color .25s, transform .25s, background .25s;
}
.card:hover { border-color: var(--border-strong); transform: translateY(-3px); }

/* ── Hero ── */
.hero { padding: clamp(80px, 14vw, 160px) 0 80px; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; }
@media (max-width: 920px) { .hero-grid { grid-template-columns: 1fr; gap: 40px; } }
.hero h1 { margin-bottom: 24px; }
.hero .lead { margin-bottom: 32px; max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.04em;
  padding: 7px 14px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text-dim);
}
.badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.badge .dot.violet { background: var(--violet); box-shadow: 0 0 8px var(--violet); }
.badge .dot.magenta { background: var(--magenta); box-shadow: 0 0 8px var(--magenta); }

/* Hero visual: model orbit */
.orbit {
  position: relative; width: 100%; aspect-ratio: 1; max-width: 460px; margin-inline: auto;
  display: grid; place-items: center;
}
.orbit-core {
  width: 110px; height: 110px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--cyan), transparent 60%), radial-gradient(circle at 70% 70%, var(--violet), transparent 60%);
  box-shadow: 0 0 60px var(--cyan-glow), 0 0 120px var(--violet-glow);
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 700; color: #05060a; font-size: 1.3rem;
  animation: pulse 4s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.06); } }
.orbit-ring {
  position: absolute; border: 1px solid var(--border-strong); border-radius: 50%;
  animation: spin 28s linear infinite;
}
.orbit-ring.r1 { inset: 12%; }
.orbit-ring.r2 { inset: 0; animation-duration: 42s; animation-direction: reverse; border-color: rgba(140,160,240,0.16); }
.orbit-ring.r3 { inset: 26%; animation-duration: 20s; border-color: rgba(94,234,212,0.18); }
@keyframes spin { to { transform: rotate(360deg); } }
.orbit-chip {
  position: absolute; font-family: var(--font-mono); font-size: 0.72rem;
  padding: 5px 10px; border-radius: 999px; background: var(--surface-2);
  border: 1px solid var(--border-strong); color: var(--text);
  white-space: nowrap; box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}
.orbit-ring.r1 .orbit-chip { top: 0; left: 50%; transform: translate(-50%, -50%); }
.orbit-ring.r2 .orbit-chip { bottom: 0; left: 50%; transform: translate(-50%, 50%); }
.orbit-ring.r3 .orbit-chip { top: 50%; right: 0; transform: translate(50%, -50%); }

/* ── Stats strip ── */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 720px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat { text-align: center; padding: 28px 16px; }
.stat .num { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 700; }
.stat .num .unit { font-size: 0.5em; color: var(--text-dim); margin-left: 4px; }
.stat .label { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-mute); margin-top: 8px; }

/* ── Feature grid ── */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr; } }
@media (max-width: 720px) { .grid-2 { grid-template-columns: 1fr; } }
.feature .icon {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(94,234,212,0.18), rgba(167,139,250,0.18));
  border: 1px solid var(--border-strong); margin-bottom: 18px; font-size: 1.3rem;
}
.feature h3 { margin-bottom: 10px; }
.feature p { font-size: 0.95rem; }

/* ── Pricing / discount ── */
.price-card { position: relative; overflow: hidden; }
.price-card .strike { color: var(--text-mute); text-decoration: line-through; font-size: 1rem; margin-right: 8px; }
.price-card .price { font-family: var(--font-display); font-size: 2.6rem; font-weight: 700; }
.price-card .price .cur { font-size: 1.2rem; color: var(--text-dim); vertical-align: super; }
.price-card .per { color: var(--text-dim); font-size: 0.95rem; }
.price-card .save {
  display: inline-block; font-family: var(--font-mono); font-size: 0.78rem; font-weight: 600;
  padding: 4px 10px; border-radius: 999px; margin-bottom: 18px;
  background: rgba(94,234,212,0.14); color: var(--cyan); border: 1px solid rgba(94,234,212,0.3);
}
.price-card ul { margin: 22px 0; display: grid; gap: 12px; }
.price-card ul li { display: flex; gap: 10px; align-items: flex-start; color: var(--text-dim); font-size: 0.95rem; }
.price-card ul li::before { content: "✦"; color: var(--cyan); flex-shrink: 0; }
.price-card.featured { border-color: var(--cyan); box-shadow: 0 0 0 1px var(--cyan-glow), 0 20px 60px rgba(94,234,212,0.1); }
.price-card.featured .ribbon {
  position: absolute; top: 18px; right: -42px; transform: rotate(45deg);
  background: linear-gradient(120deg, var(--cyan), var(--violet)); color: #05060a;
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 700; padding: 5px 48px; letter-spacing: 0.1em;
}

/* ── Table ── */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; min-width: 560px; }
thead th {
  text-align: left; font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-mute); padding: 18px 20px; border-bottom: 1px solid var(--border-strong);
  background: rgba(24,28,46,0.5);
}
tbody td { padding: 16px 20px; border-bottom: 1px solid var(--border); color: var(--text-dim); }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: rgba(94,234,212,0.04); }
td .pill { display: inline-block; padding: 3px 10px; border-radius: 999px; font-family: var(--font-mono); font-size: 0.75rem; }
.pill.unlim { background: rgba(94,234,212,0.12); color: var(--cyan); border: 1px solid rgba(94,234,212,0.25); }
.pill.limited { background: rgba(167,139,250,0.12); color: var(--violet); border: 1px solid rgba(167,139,250,0.25); }
.pill.premium { background: rgba(244,114,182,0.12); color: var(--magenta); border: 1px solid rgba(244,114,182,0.25); }
td strong { color: var(--text); }

/* ── Footer ── */
.footer { border-top: 1px solid var(--border); padding: 40px 0; margin-top: 40px; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; }
.footer p { font-size: 0.88rem; color: var(--text-mute); }
.footer a { color: var(--text-dim); font-size: 0.88rem; }
.footer a:hover { color: var(--cyan); }

/* ── Docs layout ── */
.docs { display: grid; grid-template-columns: 240px 1fr; gap: 48px; padding: 48px 0; align-items: start; }
@media (max-width: 920px) { .docs { grid-template-columns: 1fr; gap: 28px; } .docs-nav { position: static !important; } }
.docs-nav {
  position: sticky; top: 88px; font-size: 0.9rem;
  max-height: calc(100vh - 110px); overflow-y: auto;
}
.docs-nav .group-title { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-mute); margin: 22px 0 10px; }
.docs-nav ul { display: grid; gap: 2px; }
.docs-nav a { display: block; padding: 7px 12px; border-radius: 8px; color: var(--text-dim); border-left: 2px solid transparent; }
.docs-nav a:hover, .docs-nav a.active { color: var(--text); background: var(--surface); border-left-color: var(--cyan); }
.docs-content { min-width: 0; }
.docs-content section { margin-bottom: 56px; scroll-margin-top: 84px; }
.docs-content h2 { margin-bottom: 12px; }
.docs-content h3 { margin: 28px 0 12px; color: var(--text); }
.docs-content p { margin-bottom: 14px; }
.docs-content ul, .docs-content ol { margin: 12px 0 18px 4px; display: grid; gap: 8px; }
.docs-content ul li, .docs-content ol li { color: var(--text-dim); padding-left: 22px; position: relative; }
.docs-content ul li::before { content: "▸"; position: absolute; left: 4px; color: var(--cyan); }
.docs-content ol { counter-reset: step; list-style: none; }
.docs-content ol li { counter-increment: step; padding-left: 36px; }
.docs-content ol li::before {
  content: counter(step); position: absolute; left: 0; top: 1px;
  width: 22px; height: 22px; border-radius: 50%; text-align: center; line-height: 22px;
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700;
  background: linear-gradient(120deg, var(--cyan), var(--violet)); color: #05060a;
}

/* ── Code blocks ── */
.code {
  position: relative; margin: 16px 0; border-radius: var(--radius-sm); overflow: hidden;
  background: #07090f; border: 1px solid var(--border);
}
.code-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 14px; background: rgba(24,28,46,0.6); border-bottom: 1px solid var(--border);
  font-family: var(--font-mono); font-size: 0.76rem; color: var(--text-mute); letter-spacing: 0.04em;
}
.code-head .lang { color: var(--cyan); }
.copy-btn { font-family: var(--font-mono); font-size: 0.72rem; padding: 3px 10px; border-radius: 6px; color: var(--text-dim); border: 1px solid var(--border); transition: all .2s; }
.copy-btn:hover { color: var(--cyan); border-color: var(--cyan); }
.copy-btn.copied { color: var(--cyan); border-color: var(--cyan); background: rgba(94,234,212,0.1); }
pre { padding: 16px 18px; overflow-x: auto; font-family: var(--font-mono); font-size: 0.84rem; line-height: 1.6; color: #d8def0; }
pre::-webkit-scrollbar { height: 8px; }
pre::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 4px; }
/* token colors */
.tok-key { color: var(--violet); }
.tok-str { color: var(--cyan); }
.tok-num { color: var(--amber); }
.tok-com { color: var(--text-mute); font-style: italic; }
.tok-var { color: var(--blue); }
.tok-fn  { color: var(--magenta); }

/* inline code */
.docs-content code, p code, li code {
  font-family: var(--font-mono); font-size: 0.86em; padding: 2px 7px; border-radius: 6px;
  background: rgba(94,234,212,0.1); color: var(--cyan); border: 1px solid rgba(94,234,212,0.2);
}
.callout {
  display: flex; gap: 14px; padding: 16px 18px; border-radius: var(--radius-sm); margin: 18px 0;
  border: 1px solid var(--border-strong); background: var(--surface);
}
.callout::before { content: "ⓘ"; font-size: 1.1rem; color: var(--cyan); flex-shrink: 0; }
.callout.warn { border-color: rgba(251,191,36,0.3); }
.callout.warn::before { content: "⚠"; color: var(--amber); }
.callout p { margin: 0; font-size: 0.92rem; }

/* ── Reveal on scroll ── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }

/* ── Clients grid ── */
.clients-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
@media (max-width: 900px) { .clients-grid { grid-template-columns: repeat(2, 1fr); } }
.client-card { text-align: center; padding: 24px 14px; }
.client-card .logo-box { width: 56px; height: 56px; margin: 0 auto 14px; border-radius: 14px; display: grid; place-items: center; font-size: 1.5rem; font-family: var(--font-display); font-weight: 700; background: linear-gradient(135deg, rgba(94,234,212,0.14), rgba(167,139,250,0.14)); border: 1px solid var(--border-strong); color: var(--text); }
.client-card .name { font-weight: 600; margin-bottom: 4px; }
.client-card .tag { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-mute); letter-spacing: 0.05em; }

/* ── Private access button (nav) ── */
.nav-private {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 16px; border-radius: 999px; font-size: 0.85rem; font-weight: 600;
  border: 1px solid var(--border-strong); color: var(--text);
  background: var(--surface); transition: all .2s;
}
.nav-private:hover { border-color: var(--cyan); color: var(--cyan); box-shadow: 0 0 16px var(--cyan-glow); }
.nav-private .lock { width: 13px; height: 13px; }

/* ── CTA banner ── */
.cta-banner {
  text-align: center; padding: clamp(48px, 8vw, 80px) 28px;
  border-radius: 24px; position: relative; overflow: hidden;
  background: linear-gradient(120deg, rgba(94,234,212,0.08), rgba(167,139,250,0.08));
  border: 1px solid var(--border-strong);
}
.cta-banner h2 { margin-bottom: 16px; }
.cta-banner .lead { max-width: 560px; margin: 0 auto 28px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }