:root {
  --bg: #0a0a0f;
  --bg2: #12121a;
  --surface: #1a1a25;
  --border: #2a2a3a;
  --text: #e8e8ed;
  --text2: #9898a8;
  --amber: #f0a830;
  --amber2: #d4922a;
  --amber-glow: rgba(240,168,48,0.15);
  --green: #34d399;
  --blue: #60a5fa;
  --red: #f87171;
  --font: 'Inter', -apple-system, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

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

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

a { color: var(--amber); text-decoration: none; }
a:hover { color: var(--amber2); }

/* Nav */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; height: 60px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  color: var(--text); font-weight: 600; font-size: 1.1rem;
}
.nav-logo svg { color: var(--amber); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--text2); font-size: 0.9rem; transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }
.nav-cta {
  background: var(--amber); color: var(--bg) !important; padding: 6px 16px;
  border-radius: 6px; font-weight: 600; font-size: 0.85rem;
}
.nav-cta:hover { background: var(--amber2); }

/* Hero */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  justify-content: center; overflow: hidden; padding-top: 60px;
}
#hexCanvas {
  position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.4;
}
.hero-content {
  position: relative; z-index: 1; text-align: center; max-width: 700px; padding: 0 24px;
}
.hero-eyebrow {
  font-size: 0.85rem; text-transform: uppercase; letter-spacing: 3px;
  color: var(--amber); margin-bottom: 20px; font-weight: 500;
}
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem); font-weight: 700; line-height: 1.15;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--text) 0%, var(--amber) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub { font-size: 1.15rem; color: var(--text2); max-width: 540px; margin: 0 auto 36px; }
.hero-actions { display: flex; gap: 16px; justify-content: center; }
.hero-code {
  background: rgba(240,168,48,0.08); border: 1px solid rgba(240,168,48,0.2);
  border-radius: 8px; padding: 14px 28px; font-family: var(--mono); font-size: 1.1rem;
  color: var(--amber); margin: 0 auto 28px; width: fit-content;
}
.hero-code code { background: none; padding: 0; }

.btn {
  display: inline-flex; align-items: center; padding: 12px 28px;
  border-radius: 8px; font-weight: 600; font-size: 0.95rem; transition: all 0.2s;
}
.btn-primary { background: var(--amber); color: var(--bg); }
.btn-primary:hover { background: var(--amber2); transform: translateY(-1px); box-shadow: 0 8px 30px var(--amber-glow); }
.btn-ghost { border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--amber); color: var(--amber); }

/* Sections */
.section { padding: 120px 0; }
.section-label {
  font-size: 0.8rem; text-transform: uppercase; letter-spacing: 3px;
  color: var(--amber); margin-bottom: 16px; font-weight: 500;
}
.section h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; margin-bottom: 20px; line-height: 1.2; }
.section-desc { font-size: 1.1rem; color: var(--text2); max-width: 640px; margin-bottom: 48px; }

/* Problem */
.section-problem { background: var(--bg2); }
.silo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.silo-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 32px 24px; text-align: center; transition: transform 0.3s, border-color 0.3s;
}
.silo-card:hover { transform: translateY(-4px); }
.silo-card h3 { font-size: 1rem; margin: 16px 0 8px; }
.silo-card p { font-size: 0.9rem; color: var(--text2); font-style: italic; }
.silo-card-accent { border-color: var(--amber); background: linear-gradient(135deg, var(--surface), rgba(240,168,48,0.08)); }
.silo-card-accent p { color: var(--amber); font-style: normal; font-weight: 500; }
.silo-icon { color: var(--text2); }
.silo-card-accent .silo-icon { color: var(--amber); }

/* Features */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.feature-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 28px; transition: transform 0.3s, border-color 0.3s;
}
.feature-card:hover { transform: translateY(-4px); border-color: rgba(240,168,48,0.3); }
.feature-icon { margin-bottom: 16px; }
.feature-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.feature-card p { font-size: 0.9rem; color: var(--text2); }

/* CTA */
.section-cta { padding: 100px 0; background: linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%); }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 48px; }
.step { position: relative; }
.step-num {
  font-size: 3rem; font-weight: 700; color: var(--amber); opacity: 0.3;
  line-height: 1; margin-bottom: 16px;
}
.step-line {
  width: 40px; height: 2px; background: var(--amber); margin-bottom: 16px; opacity: 0.5;
}
.step h3 { font-size: 1.2rem; margin-bottom: 10px; }
.step p { color: var(--text2); font-size: 0.95rem; }

/* Architecture */
.section-arch { background: var(--bg2); }
.arch-diagram { text-align: center; margin-top: 48px; }
.arch-agents { display: flex; justify-content: center; gap: 24px; margin-bottom: 32px; }
.arch-node {
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  padding: 12px 24px; font-size: 0.9rem; font-weight: 500;
}
.arch-lines { height: 60px; max-width: 400px; margin: 0 auto; }
.arch-lines svg { width: 100%; height: 100%; }
.arch-center { margin-bottom: 24px; }
.arch-server {
  display: inline-block; background: linear-gradient(135deg, var(--amber), var(--amber2));
  color: var(--bg); padding: 20px 40px; border-radius: 12px;
  font-weight: 700; font-size: 1.1rem;
  box-shadow: 0 12px 40px var(--amber-glow);
}
.arch-server span { display: block; font-size: 0.8rem; font-weight: 400; opacity: 0.8; margin-top: 4px; }
.arch-layers { display: flex; justify-content: center; gap: 12px; margin-top: 24px; }
.arch-layer {
  background: var(--surface); border: 1px solid var(--border); border-radius: 6px;
  padding: 8px 18px; font-size: 0.8rem; color: var(--text2);
}

/* Integration */
.section-integration { background: var(--bg); }
.integration-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.integration-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 28px;
}
.integration-card h3 { font-size: 1.05rem; margin-bottom: 8px; color: var(--amber); }
.integration-card p { font-size: 0.9rem; color: var(--text2); margin-bottom: 12px; }
.integration-card pre {
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
  padding: 12px 16px; overflow-x: auto;
}
.integration-card code { font-family: var(--mono); font-size: 0.82rem; color: var(--green); }

/* Profile */
.section-profile { background: var(--bg2); }
.profile-demo { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 48px; }
.profile-layer {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  margin-bottom: 16px; overflow: hidden;
}
.layer-header {
  padding: 10px 16px; font-family: var(--mono); font-size: 0.85rem; font-weight: 500;
  background: rgba(240,168,48,0.08); border-bottom: 1px solid var(--border); color: var(--amber);
}
.ttl-badge {
  font-size: 0.7rem; background: rgba(248,113,113,0.15); color: var(--red);
  padding: 2px 8px; border-radius: 4px; margin-left: 8px;
}
.layer-body { padding: 12px 16px; }
.layer-field {
  display: flex; align-items: center; gap: 12px; padding: 6px 0;
  font-size: 0.85rem; border-bottom: 1px solid rgba(42,42,58,0.5);
}
.layer-field:last-child { border-bottom: none; }
.field-key { font-family: var(--mono); color: var(--blue); min-width: 100px; }
.field-val { font-family: var(--mono); color: var(--green); flex: 1; }
.field-meta { font-size: 0.75rem; color: var(--text2); }
.profile-info h3 { font-size: 1rem; margin: 20px 0 6px; color: var(--text); }
.profile-info h3:first-child { margin-top: 0; }
.profile-info p { font-size: 0.9rem; color: var(--text2); }

/* API */
.api-table-wrap { overflow-x: auto; margin-top: 40px; }
.api-table { width: 100%; border-collapse: collapse; }
.api-table th {
  text-align: left; padding: 12px 16px; font-size: 0.8rem; text-transform: uppercase;
  letter-spacing: 1px; color: var(--text2); border-bottom: 2px solid var(--border);
}
.api-table td { padding: 14px 16px; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
.method {
  font-family: var(--mono); font-size: 0.75rem; font-weight: 600; padding: 3px 8px;
  border-radius: 4px;
}
.method.get { background: rgba(96,165,250,0.15); color: var(--blue); }
.method.post { background: rgba(52,211,153,0.15); color: var(--green); }
.method.patch { background: rgba(240,168,48,0.15); color: var(--amber); }
.api-example {
  margin-top: 32px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; overflow: hidden;
}
.api-example-header {
  padding: 12px 20px; font-size: 0.85rem; font-weight: 500;
  background: rgba(240,168,48,0.06); border-bottom: 1px solid var(--border);
}
.api-example pre { padding: 20px; overflow-x: auto; }
.api-example code { font-family: var(--mono); font-size: 0.82rem; color: var(--text); }

/* Quickstart */
.section-start { background: var(--bg2); }
.start-steps { margin-top: 48px; }
.start-step {
  display: flex; gap: 24px; margin-bottom: 32px; align-items: flex-start;
}
.start-step-num {
  width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0;
  background: var(--amber); color: var(--bg); display: flex; align-items: center;
  justify-content: center; font-weight: 700; font-size: 1rem;
}
.start-step-content { flex: 1; }
.start-step-content h3 { font-size: 1.05rem; margin-bottom: 12px; }
.start-step-content pre {
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
  padding: 16px 20px; overflow-x: auto;
}
.start-step-content code { font-family: var(--mono); font-size: 0.82rem; color: var(--green); }

/* Footer */
.footer { padding: 48px 0; border-top: 1px solid var(--border); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-brand { display: flex; align-items: center; gap: 8px; color: var(--text2); font-weight: 500; }
.footer-brand svg { color: var(--amber); }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--text2); font-size: 0.9rem; }
.footer-links a:hover { color: var(--amber); }
.footer-copy { color: var(--text2); font-size: 0.8rem; }

/* ===== Animations ===== */

/* Hero entrance */
.hero-content { opacity: 0; animation: heroIn 1s ease-out 0.3s forwards; }
@keyframes heroIn {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-eyebrow { opacity: 0; animation: fadeSlideUp 0.6s ease-out 0.5s forwards; }
.hero h1 { opacity: 0; animation: fadeSlideUp 0.8s ease-out 0.7s forwards; }
.hero-sub { opacity: 0; animation: fadeSlideUp 0.6s ease-out 1s forwards; }
.hero-actions { opacity: 0; animation: fadeSlideUp 0.6s ease-out 1.2s forwards; }

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Accent card glow pulse */
.silo-card-accent { animation: glowPulse 3s ease-in-out infinite; }
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(240,168,48,0.1); }
  50% { box-shadow: 0 0 40px rgba(240,168,48,0.25), 0 0 80px rgba(240,168,48,0.08); }
}

/* Staggered children reveal */
.section .stagger { opacity: 0; transform: translateY(24px); transition: opacity 0.5s ease-out, transform 0.5s ease-out; }
.section.visible .stagger { opacity: 1; transform: translateY(0); }
.section.visible .stagger:nth-child(1) { transition-delay: 0.1s; }
.section.visible .stagger:nth-child(2) { transition-delay: 0.2s; }
.section.visible .stagger:nth-child(3) { transition-delay: 0.3s; }
.section.visible .stagger:nth-child(4) { transition-delay: 0.4s; }
.section.visible .stagger:nth-child(5) { transition-delay: 0.5s; }
.section.visible .stagger:nth-child(6) { transition-delay: 0.6s; }

/* Step line grow */
.step-line { width: 0; transition: width 0.8s ease-out; }
.section.visible .step .step-line { width: 40px; }
.section.visible .step:nth-child(1) .step-line { transition-delay: 0.2s; }
.section.visible .step:nth-child(2) .step-line { transition-delay: 0.4s; }
.section.visible .step:nth-child(3) .step-line { transition-delay: 0.6s; }

/* Feature card hover glow */
.feature-card { position: relative; overflow: hidden; }
.feature-card::after {
  content: ''; position: absolute; inset: 0; border-radius: 12px;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(240,168,48,0.08) 0%, transparent 60%);
  opacity: 0; transition: opacity 0.3s;
}
.feature-card:hover::after { opacity: 1; }

/* Arch server pulse */
.arch-server { animation: serverGlow 4s ease-in-out infinite; }
@keyframes serverGlow {
  0%, 100% { box-shadow: 0 12px 40px rgba(240,168,48,0.15); }
  50% { box-shadow: 0 16px 60px rgba(240,168,48,0.35); }
}

/* Arch node hover */
.arch-node { transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s; }
.arch-node:hover {
  transform: translateY(-3px); border-color: var(--amber);
  box-shadow: 0 4px 20px rgba(240,168,48,0.1);
}

/* Data flow dots on arch lines */
@keyframes flowDot {
  0% { offset-distance: 0%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { offset-distance: 100%; opacity: 0; }
}

/* Nav slide in */
.nav { animation: navSlide 0.5s ease-out; }
@keyframes navSlide {
  from { transform: translateY(-100%); }
  to { transform: translateY(0); }
}

/* Floating particles */
.particle {
  position: absolute; width: 3px; height: 3px; border-radius: 50%;
  background: var(--amber); opacity: 0; z-index: 0;
  animation: particleFloat linear infinite;
}
@keyframes particleFloat {
  0% { opacity: 0; transform: translateY(0) scale(0); }
  15% { opacity: 0.6; transform: scale(1); }
  85% { opacity: 0.3; }
  100% { opacity: 0; transform: translateY(-120px) scale(0.5); }
}

/* Scroll animations */
.section { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease-out, transform 0.6s ease-out; }
.section.visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 768px) {
  .nav-links a:not(.nav-cta) { display: none; }
  .silo-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; gap: 32px; }
  .arch-agents { flex-wrap: wrap; }
  .integration-grid { grid-template-columns: 1fr; }
  .profile-demo { grid-template-columns: 1fr; }
  .arch-layers { flex-wrap: wrap; }
  .feature-grid { grid-template-columns: 1fr; }
  .section { padding: 80px 0; }
  .docs-sidebar { display: none; }
  .docs-main { margin-left: 0; }
}

/* Docs page layout */
.docs-page { padding-top: 60px; }
.docs-layout { display: flex; min-height: calc(100vh - 60px); }
.docs-sidebar {
  position: fixed; top: 60px; left: 0; bottom: 0; width: 240px;
  background: var(--bg2); border-right: 1px solid var(--border);
  padding: 32px 20px; overflow-y: auto;
}
.sidebar-section { margin-bottom: 28px; }
.sidebar-title {
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 2px;
  color: var(--text2); margin-bottom: 10px; font-weight: 600;
}
.docs-sidebar a {
  display: block; padding: 5px 0; font-size: 0.88rem; color: var(--text2); transition: color 0.2s;
}
.docs-sidebar a:hover { color: var(--amber); }
.docs-main {
  margin-left: 240px; flex: 1; padding: 48px 56px; max-width: 860px;
}
.doc-section { margin-bottom: 72px; }
.doc-section h1 { font-size: 2rem; margin-bottom: 12px; }
.doc-section h2 { font-size: 1.3rem; margin: 36px 0 12px; color: var(--text); }
.doc-section p { color: var(--text2); margin-bottom: 16px; line-height: 1.7; }
.doc-section ul { color: var(--text2); margin: 0 0 16px 20px; }
.doc-section li { margin-bottom: 6px; }
.doc-section pre {
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  padding: 16px 20px; overflow-x: auto; margin-bottom: 20px;
}
.doc-section code { font-family: var(--mono); font-size: 0.85rem; }
.doc-section p code {
  background: var(--surface); padding: 2px 6px; border-radius: 4px; font-size: 0.82rem;
}
.doc-section pre code { color: var(--green); }
.method.delete { background: rgba(248,113,113,0.15); color: var(--red); }