/* ============================================================
   AIMIXTURE — base layout & components
   Cyber-minimalism · premium dark SaaS · Glassmorphism
   ============================================================ */
@import url("tokens.css");

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

html { scroll-behavior: smooth; }

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

/* ambient background */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px at 15% -10%, rgba(77,124,254,0.10), transparent 60%),
    radial-gradient(900px at 85% -10%, rgba(139,92,246,0.10), transparent 60%),
    radial-gradient(1200px at 50% 120%, rgba(58,230,202,0.06), transparent 60%),
    var(--bg-base);
}

a { color: var(--accent-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: min(1180px, 92%);
  margin-inline: auto;
}

/* ---------------- Navigation ---------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(11, 14, 20, 0.6);
  border-bottom: var(--border-thin);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 70px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.brand-mark { width: 30px; height: 30px; }
.nav-links { display: flex; gap: var(--sp-5); font-size: var(--fs-sm); color: var(--text-secondary); }
.nav-links a { color: var(--text-secondary); }
.nav-links a:hover { color: var(--text-primary); text-decoration: none; }

/* ---------------- Buttons ---------------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: var(--radius-md);
  font-weight: 600; font-size: var(--fs-sm);
  border: var(--border-thin); cursor: pointer;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), background var(--dur-fast);
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent-primary); color: #04241D;
  border-color: transparent; box-shadow: var(--glow-accent);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 0 34px rgba(58,230,202,0.32); text-decoration: none; }
.btn-ghost {
  background: var(--bg-glass); color: var(--text-primary);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(16,23,34,0.85); transform: translateY(-1px); text-decoration: none; }

/* ---------------- Hero ---------------- */
.hero { padding: var(--sp-9) 0 var(--sp-8); }
.hero-grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: var(--sp-7); align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: var(--fs-xs); color: var(--accent-primary);
  border: var(--border-thin); border-radius: 999px;
  padding: 6px 12px; background: rgba(58,230,202,0.06); margin-bottom: var(--sp-5);
  letter-spacing: 0.04em; text-transform: uppercase; font-weight: 600;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, var(--fs-4xl));
  font-weight: 800; letter-spacing: var(--tracking-tight); line-height: 1.08;
  margin-bottom: var(--sp-5);
}
.hero h1 .grad {
  background: var(--grad-route); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.sub {
  color: var(--text-secondary); font-size: var(--fs-lg); max-width: 54ch; margin-bottom: var(--sp-6);
}
.hero-cta { display: flex; gap: var(--sp-3); flex-wrap: wrap; }

/* ---------------- Pipeline SVG panel ---------------- */
.pipeline-panel {
  background: var(--bg-glass);
  border: var(--border-thin); border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  box-shadow: var(--glow-blue);
  padding: var(--sp-4);
}
.pipeline-panel .panel-label {
  font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--text-secondary);
  display: flex; justify-content: space-between; margin-bottom: var(--sp-3);
}
.pipeline-panel .panel-label .live { color: var(--state-success); display: flex; align-items: center; gap: 6px; }
.pipeline-panel .panel-label .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--state-success); box-shadow: 0 0 8px var(--state-success); animation: pulse 1.6s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.35} }

.pipeline-svg { width: 100%; height: auto; display: block; }

/* ---------------- Section base ---------------- */
.section { padding: var(--sp-9) 0; }
.section-head { max-width: 720px; margin-bottom: var(--sp-7); }
.eyebrow {
  font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--accent-primary);
  text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: var(--sp-3); font-weight: 600;
}
.section h2 { font-size: var(--fs-3xl); font-weight: 800; letter-spacing: var(--tracking-tight); margin-bottom: var(--sp-4); }
.section .lead { color: var(--text-secondary); font-size: var(--fs-lg); }

/* ---------------- Routes (5.2) ---------------- */
.routes-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-5); }
.route-card {
  background: var(--bg-glass); border: var(--border-thin); border-radius: var(--radius-lg);
  backdrop-filter: blur(10px); padding: var(--sp-6); position: relative; overflow: hidden;
}
.route-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
}
.route-card.primary::before { background: var(--grad-premium); box-shadow: var(--glow-accent); }
.route-card.fallback::before { background: linear-gradient(135deg, #334155, #475569); }
.route-tag {
  font-family: var(--font-mono); font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.06em;
  display: inline-block; padding: 4px 10px; border-radius: 999px; margin-bottom: var(--sp-4); font-weight: 600;
}
.route-tag.primary { color: var(--accent-primary); background: rgba(58,230,202,0.08); border: 1px solid rgba(58,230,202,0.25); }
.route-tag.fallback { color: var(--text-secondary); background: rgba(148,163,184,0.08); border: 1px solid rgba(148,163,184,0.2); }
.route-card h3 { font-size: var(--fs-xl); margin-bottom: var(--sp-4); }
.route-list { list-style: none; }
.route-list li {
  display: flex; gap: 10px; padding: var(--sp-3) 0; border-bottom: var(--border-thin);
  color: var(--text-secondary); font-size: var(--fs-sm); align-items: flex-start;
}
.route-list li:last-child { border-bottom: none; }
.route-list .ic { color: var(--accent-accent); flex-shrink: 0; margin-top: 2px; }
.route-card.primary .route-list .ic { color: var(--accent-primary); }
.route-card.fallback .route-list .ic { color: var(--accent-blue); }
.route-list strong { color: var(--text-primary); font-weight: 600; }

.note {
  margin-top: var(--sp-5); padding: var(--sp-4) var(--sp-5);
  border: 1px dashed rgba(148,163,184,0.28); border-radius: var(--radius-md);
  color: var(--text-secondary); font-size: var(--fs-sm); background: rgba(148,163,184,0.04);
}
.note b { color: var(--text-primary); }

/* ---------------- Footer 5.6 ---------------- */
.footer { border-top: var(--border-thin); padding: var(--sp-7) 0 var(--sp-5); color: var(--text-secondary); font-size: var(--fs-sm); }
.footer-top { display: grid; grid-template-columns: 300px 1fr; gap: var(--sp-6); margin-bottom: var(--sp-6); }
.brand-box .brand { margin-bottom: var(--sp-4); }
.status { display: inline-flex; align-items: center; gap: 8px; font-size: var(--fs-xs); padding: 6px 12px; border-radius: 999px; border: 1px solid; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; }
.status-demo { color: var(--text-secondary); border-color: rgba(148,163,184,0.3); background: rgba(148,163,184,0.06); }
.status-demo .status-dot { background: var(--text-secondary); }
.status-operational { color: var(--state-success); border-color: rgba(52,211,153,0.35); background: rgba(52,211,153,0.08); }
.status-operational .status-dot { background: var(--state-success); box-shadow: 0 0 8px var(--state-success); }

.footer-cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-5); }
.fcol h4 { font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-primary); margin-bottom: var(--sp-3); }
.fcol { display: flex; flex-direction: column; gap: var(--sp-2); }
.fcol a { color: var(--text-secondary); font-size: var(--fs-sm); }
.fcol a:hover { color: var(--accent-primary); text-decoration: none; }
.footer-bottom { border-top: var(--border-thin); padding-top: var(--sp-4); display: flex; justify-content: space-between; gap: var(--sp-3); flex-wrap: wrap; }

@media (max-width: 900px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) { .footer-cols { grid-template-columns: 1fr; } }

/* ---------------- MoA Engine 6 ---------------- */
.moa-flow {
  display: flex; flex-direction: column; align-items: stretch; gap: 0;
  padding: var(--sp-4) 0;
}
.moa-step {
  text-align: center; padding: 12px 16px; border-radius: var(--radius-md);
  background: rgba(16,23,34,0.7); border: var(--border-thin);
  font-size: var(--fs-md); font-weight: 600; color: var(--text-primary);
}
.moa-step.moa-router { border-color: rgba(58,230,202,0.5); box-shadow: var(--glow-accent); background: rgba(58,230,202,0.06); }
.moa-step.moa-parallel { background: rgba(77,124,254,0.07); border-color: rgba(77,124,254,0.4); display: flex; flex-direction: column; gap: 2px; }
.moa-step.moa-parallel .moa-branch { font-weight: 600; }
.moa-step.moa-parallel .moa-branch:nth-child(2) { font-size: var(--fs-xs); color: var(--text-secondary); font-weight: 400; font-family: var(--font-mono); }
.moa-step.moa-premium { background: rgba(139,92,246,0.08); border-color: rgba(139,92,246,0.45); }
.moa-step.moa-final { background: rgba(58,230,202,0.09); border-color: rgba(58,230,202,0.55); box-shadow: var(--glow-accent); }
.moa-arrow { text-align: center; color: var(--accent-primary); font-size: var(--fs-lg); line-height: 1; padding: 6px 0; }


/* ---------------- Responsive ---------------- */
@media (max-width: 960px) {
  .hero-grid, .routes-grid { grid-template-columns: 1fr; }
  .hero { padding-top: var(--sp-7); }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .section, .hero { padding: var(--sp-7) 0; }
}

/* ---------------- Direct Routing 5.4 ---------------- */
.direct-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); margin-bottom: var(--sp-6); }
.direct-card {
  background: var(--bg-glass); border: var(--border-thin); border-radius: var(--radius-md);
  padding: var(--sp-5); display: flex; flex-direction: column; gap: var(--sp-3);
  transition: transform var(--dur-fast) var(--ease), border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.direct-card:hover { transform: translateY(-2px); border-color: rgba(58,230,202,0.4); box-shadow: var(--glow-accent); }
.direct-card .dc-ic {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  font-family: var(--font-mono); font-weight: 700; font-size: var(--fs-sm);
}
.direct-card h3 { font-size: var(--fs-lg); font-weight: 700; }
.direct-card p { color: var(--text-secondary); font-size: var(--fs-sm); flex: 1; }
.direct-card ul { list-style: none; }
.direct-card ul li { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--text-secondary); padding: var(--sp-1) 0; }
.direct-card ul li::before { content: "▹ "; color: var(--accent-primary); }

/* category accent variants */
.t-text .dc-ic { background: rgba(58,230,202,0.08); color: var(--accent-primary); border: 1px solid rgba(58,230,202,0.3); }
.t-image .dc-ic { background: rgba(77,124,254,0.08); color: var(--accent-blue); border: 1px solid rgba(77,124,254,0.3); }
.t-video .dc-ic { background: rgba(139,92,246,0.08); color: var(--accent-violet); border: 1px solid rgba(139,92,246,0.3); }
.t-audio .dc-ic { background: rgba(192,38,211,0.08); color: var(--accent-purple); border: 1px solid rgba(192,38,211,0.3); }

/* ---------------- Dev Experience 5.5 ---------------- */
.dev-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: var(--sp-5); align-items: start; }
.code-wrap {
  position: relative; background: var(--bg-secondary); border: var(--border-thin);
  border-radius: var(--radius-md); overflow: hidden;
}
.code-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px; border-bottom: var(--border-thin); font-family: var(--font-mono);
  font-size: var(--fs-xs); color: var(--text-secondary);
}
.code-copy { cursor: pointer; display: inline-flex; align-items: center; gap: 6px; color: var(--text-secondary); background: none; border: none; font-size: var(--fs-xs); font-family: var(--font-mono); }
.code-copy:hover { color: var(--text-primary); }
.code-copy.copied { color: var(--state-success); }
pre {
  margin: 0; padding: var(--sp-4); overflow-x: auto; font-family: var(--font-mono);
  font-size: var(--fs-sm); line-height: 1.65; color: #e2e8f0; tab-size: 2;
}
code { font-family: var(--font-mono); }
.token-cn { color: var(--accent-blue); }
.token-str { color: var(--state-success); }
.token-kw { color: var(--accent-violet); }
.token-comment { color: #64748b; font-style: italic; }
.token-num { color: #fbbf24; }

.dev-features { list-style: none; }
.dev-features li {
  display: flex; gap: 12px; padding: var(--sp-3) 0; border-bottom: var(--border-thin);
  color: var(--text-secondary); font-size: var(--fs-sm); align-items: flex-start;
}
.dev-features li:last-child { border-bottom: none; }
.dev-features .ic { color: var(--accent-primary); flex-shrink: 0; margin-top: 2px; }
.dev-features strong { color: var(--text-primary); }
.dev-features a { color: var(--accent-primary); text-decoration: none; }
.dev-features a:hover { text-decoration: underline; }

@media (max-width: 960px) { .direct-grid, .dev-grid { grid-template-columns: 1fr; } }

/* ============================================================
   Accessibility (10) — focus, contrast, reduced-motion
   ============================================================ */
:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent-primary); outline-offset: 2px; }

/* skip link for keyboard users */
.skip-link { position: absolute; top: -40px; left: 12px; z-index: 100; background: var(--accent-primary); color: #04241D; padding: 8px 14px; border-radius: 0 0 8px 8px; font-weight: 600; }
.skip-link:focus { top: 0; }

/* reduce motion: kill all animations/transitions */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [style*="transition"] { transition: none !important; }
}

/* ============================================================
   Part 10 — mobile-first / 320px hardening
   ============================================================ */
@media (max-width: 360px) {
  .container { width: 94%; }
  .hero h1 { font-size: 1.9rem; }
  .hero p.sub { font-size: var(--fs-md); }
  .footer-cols { grid-template-columns: 1fr; }
}

/* MoA flow wraps naturally but ensure arrows/boxes don't overflow (10) */
.moa-flow { width: 100%; }
.pipeline-panel { overflow: hidden; }

/* ============================================================
   Interactive MoA profile tabs (10, 11)
   ============================================================ */
.moa-profiles-block { margin-top: var(--sp-6); }
.subhead { font-size: var(--fs-xl); font-weight: 700; margin-bottom: var(--sp-4); }
.tabs { display: flex; gap: var(--sp-2); flex-wrap: wrap; margin-bottom: var(--sp-4); }
.tab {
  padding: 10px 18px; border-radius: 999px; border: var(--border-thin);
  background: var(--bg-glass); color: var(--text-secondary); font-weight: 600;
  font-size: var(--fs-sm); cursor: pointer; transition: all var(--dur-fast) var(--ease);
}
.tab:hover { color: var(--text-primary); border-color: rgba(58,230,202,0.4); }
.tab.is-active { background: rgba(58,230,202,0.12); color: var(--accent-primary); border-color: var(--accent-primary); box-shadow: var(--glow-accent); }
.tab-panel { background: var(--bg-glass); border: var(--border-thin); border-radius: var(--radius-md); padding: var(--sp-5); }
.tab-panel p { color: var(--text-secondary); font-size: var(--fs-sm); margin-bottom: var(--sp-3); }
.tab-panel strong { color: var(--text-primary); }
.pill { display: inline-block; margin-top: var(--sp-2); padding: 4px 12px; border-radius: 999px; background: rgba(58,230,202,0.08); border: 1px solid rgba(58,230,202,0.35); color: var(--accent-primary); font-size: var(--fs-xs); font-family: var(--font-mono); font-weight: 600; }