/* ============================================================
   MetaInfer landing — hand-rolled, zero dependencies
   ============================================================ */

:root {
  --bg: #070a14;
  --bg-2: #0b0f1e;
  --panel: rgba(255, 255, 255, 0.035);
  --panel-solid: #0e1326;
  --line: rgba(148, 163, 200, 0.14);
  --line-strong: rgba(148, 163, 200, 0.28);
  --txt: #e6eaf4;
  --txt-2: #9aa5c0;
  --txt-3: #67718f;
  --vio: #8b5cf6;
  --cyan: #22d3ee;
  --green: #34d399;
  --amber: #fbbf24;
  --red: #f87171;
  --pink: #f472b6;
  --grad: linear-gradient(96deg, #8b5cf6, #22d3ee);
  --mono: "JetBrains Mono", "Cascadia Code", ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  --sans: "Inter", "Segoe UI", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --radius: 14px;
}

* { 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: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  background: var(--bg);
  color: var(--txt);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

::selection { background: rgba(139, 92, 246, 0.45); }

h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; }
h2 { font-size: clamp(26px, 3.6vw, 40px); }
a { color: inherit; text-decoration: none; }

/* ---------------- reveal on scroll ---------------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------------- nav ---------------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(7, 10, 20, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 28px; height: 62px; }
.brand { display: flex; align-items: center; gap: 9px; font-size: 19px; font-weight: 600; letter-spacing: -0.02em; }
.brand b { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.brand-mark { width: 26px; height: 26px; }
.nav-links { display: flex; gap: 24px; margin-left: auto; }
.nav-links a { color: var(--txt-2); font-size: 14.5px; transition: color 0.2s; }
.nav-links a:hover { color: var(--txt); }
.nav-actions { display: flex; gap: 10px; align-items: center; }

/* ---------------- buttons ---------------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid transparent; border-radius: 10px;
  padding: 11px 20px; font-size: 15px; font-weight: 600; font-family: inherit;
  cursor: pointer; transition: all 0.2s ease; white-space: nowrap;
}
.btn-sm { padding: 7px 14px; font-size: 13.5px; border-radius: 8px; }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 6px 24px rgba(109, 79, 247, 0.35); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 30px rgba(34, 211, 238, 0.35); }
.btn-ghost { background: transparent; color: var(--txt); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--txt-2); background: rgba(255, 255, 255, 0.04); }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* ---------------- hero ---------------- */
.hero { position: relative; padding: 84px 0 70px; overflow: hidden; }
.hero-bg {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(700px 380px at 18% 8%, rgba(139, 92, 246, 0.16), transparent 62%),
    radial-gradient(640px 360px at 84% 30%, rgba(34, 211, 238, 0.12), transparent 62%);
}
.hero-bg::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 200, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 200, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 80% 65% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 65% at 50% 0%, #000 30%, transparent 75%);
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.06fr 0.94fr; gap: 56px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 13px; font-weight: 600; color: var(--txt-2);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 14px; margin-bottom: 22px; background: rgba(255, 255, 255, 0.03);
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); }
.hero h1 { font-size: clamp(36px, 5vw, 58px); letter-spacing: -0.03em; margin-bottom: 22px; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { color: var(--txt-2); font-size: 18px; max-width: 560px; margin-bottom: 30px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }

.hero-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 26px; max-width: 520px; }
.hstat { display: flex; align-items: baseline; gap: 9px; }
.hstat b { font-family: var(--mono); font-size: 21px; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hstat span { color: var(--txt-3); font-size: 13px; line-height: 1.35; }

/* ---------------- terminal ---------------- */
.term {
  background: #0a0e1d; border: 1px solid var(--line-strong); border-radius: var(--radius);
  overflow: hidden; box-shadow: 0 24px 70px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(139, 92, 246, 0.06);
}
.term-bar {
  display: flex; align-items: center; gap: 7px; padding: 11px 15px;
  border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, 0.025);
}
.t-dot { width: 11px; height: 11px; border-radius: 50%; }
.t-dot.r { background: #ff5f57; } .t-dot.y { background: #febc2e; } .t-dot.g { background: #28c840; }
.term-title { margin-left: 9px; font-family: var(--mono); font-size: 12px; color: var(--txt-3); }
.term-body {
  padding: 18px 19px; font-family: var(--mono); font-size: 13px; line-height: 1.75;
  color: #c4cdea; min-height: 300px; white-space: pre-wrap; word-break: break-word;
}
.term.big .term-body { min-height: 0; }
.term-body .c-prompt { color: var(--cyan); }
.term-body .c-ok { color: var(--green); }
.term-body .c-warn { color: var(--amber); }
.term-body .c-dim { color: var(--txt-3); }
.term-body .c-key { color: #c4b5fd; }
.cursor { display: inline-block; width: 8px; height: 15px; background: var(--cyan); vertical-align: -2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------------- sections ---------------- */
.section { padding: 88px 0; }
.section-alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sec-head { max-width: 780px; margin-bottom: 48px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head h2 { margin: 16px 0 14px; }
.sec-sub { color: var(--txt-2); font-size: 16.5px; }
.tag {
  display: inline-block; font-family: var(--mono); font-size: 12px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: #a5b4fc; border: 1px solid rgba(139, 92, 246, 0.4);
  background: rgba(139, 92, 246, 0.1); border-radius: 999px; padding: 4px 13px;
}
.tag-demo { color: #67e8f9; border-color: rgba(34, 211, 238, 0.4); background: rgba(34, 211, 238, 0.08); }

/* ---------------- generic cards ---------------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
  position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-4px); border-color: rgba(139, 92, 246, 0.45); background: rgba(139, 92, 246, 0.045); }
.card h3 { font-size: 17.5px; margin: 14px 0 9px; }
.card p { color: var(--txt-2); font-size: 14.5px; }
.card-icon {
  width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(34, 211, 238, 0.14));
  border: 1px solid rgba(139, 92, 246, 0.35);
}
.card-icon svg { width: 21px; height: 21px; }
.card-tag {
  position: absolute; top: 22px; right: 22px;
  font-family: var(--mono); font-size: 11px; color: var(--txt-3);
  border: 1px solid var(--line); padding: 3px 9px; border-radius: 999px;
}

/* ---------------- demo badge ---------------- */
.demo-badge {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 18px;
  font-size: 12.5px; color: #7dd3fc; background: rgba(14, 60, 90, 0.35);
  border: 1px solid rgba(56, 189, 248, 0.35); border-radius: 8px; padding: 6px 12px;
}

/* ---------------- composer ---------------- */
.composer { display: grid; grid-template-columns: 350px 1fr; gap: 18px; align-items: start; }
.composer-form, .composer-out {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px;
}
.field { margin-bottom: 15px; }
.field label { display: block; font-size: 12.5px; font-weight: 600; color: var(--txt-2); margin-bottom: 7px; letter-spacing: 0.04em; text-transform: uppercase; }
.field select {
  width: 100%; background: #0d1122; color: var(--txt); border: 1px solid var(--line-strong);
  border-radius: 9px; padding: 9px 12px; font-size: 14px; font-family: inherit; outline: none; cursor: pointer;
}
.field select:focus { border-color: var(--vio); }
.task-radio { display: flex; flex-direction: column; gap: 8px; }
.task-opt {
  border: 1px solid var(--line); border-radius: 10px; padding: 10px 13px; cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}
.task-opt:hover { border-color: var(--line-strong); }
.task-opt.sel { border-color: var(--vio); background: rgba(139, 92, 246, 0.09); }
.task-opt b { font-family: var(--mono); font-size: 13px; display: block; }
.task-opt span { font-size: 12.5px; color: var(--txt-2); line-height: 1.45; display: block; margin-top: 2px; }
.composer-actions { display: flex; gap: 10px; margin-top: 20px; }
.composer-actions .btn { flex: 1; justify-content: center; }
.composer-pending { color: var(--txt-3); font-size: 14.5px; padding: 46px 20px; text-align: center; }

.plan-list { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }
.plan-step {
  display: flex; align-items: center; gap: 11px; font-size: 13.5px;
  border: 1px solid var(--line); border-radius: 9px; padding: 8px 12px; color: var(--txt-2);
}
.plan-step .p-ico {
  width: 20px; height: 20px; border-radius: 50%; flex: none;
  display: grid; place-items: center; font-size: 10px;
  border: 1.5px solid var(--line-strong); color: var(--txt-3);
}
.plan-step.active { border-color: rgba(34, 211, 238, 0.5); color: var(--txt); }
.plan-step.active .p-ico { border-color: var(--cyan); border-top-color: transparent; animation: spin 0.9s linear infinite; }
.plan-step.done { border-color: rgba(52, 211, 153, 0.4); }
.plan-step.done .p-ico { border-color: var(--green); color: var(--green); }
@keyframes spin { to { transform: rotate(360deg); } }

.run-log {
  margin-top: 10px; background: #0a0e1d; border: 1px solid var(--line); border-radius: 9px;
  padding: 13px 15px; font-family: var(--mono); font-size: 12.5px; line-height: 1.8;
  color: #aab6d6; height: 176px; overflow-y: auto; white-space: pre-wrap; word-break: break-word;
}
h4 { font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--txt-2); font-family: var(--mono); }
.result-box { margin-top: 18px; }
.result-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 12px; }
.rcell { background: rgba(255, 255, 255, 0.03); border: 1px solid var(--line); border-radius: 10px; padding: 13px 15px; }
.rcell b { display: block; font-family: var(--mono); font-size: 20px; margin-bottom: 2px; }
.rcell b.ok { color: var(--green); } .rcell b.grad-t { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.rcell span { font-size: 12px; color: var(--txt-3); }
.rcell.wide { grid-column: span 3; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.rcell.wide code { font-family: var(--mono); font-size: 12.5px; color: #67e8f9; }

/* ---------------- steps ---------------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; }
.step {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; position: relative;
}
.step::before {
  counter-increment: step; content: "0" counter(step);
  font-family: var(--mono); font-size: 30px; font-weight: 700;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  display: block; margin-bottom: 12px; opacity: 0.9;
}
.step h3 { font-size: 16.5px; margin-bottom: 8px; }
.step p { color: var(--txt-2); font-size: 14px; }

/* ---------------- trace explorer ---------------- */
.explorer {
  display: grid; grid-template-columns: 300px 1fr; gap: 18px; align-items: start;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px;
}
.explorer-list h4, .explorer-detail h4 { margin-bottom: 12px; }
.sess {
  border: 1px solid var(--line); border-radius: 10px; padding: 11px 13px; margin-bottom: 9px;
  cursor: pointer; transition: border-color 0.2s, background 0.2s;
}
.sess:hover { border-color: var(--line-strong); }
.sess.sel { border-color: var(--vio); background: rgba(139, 92, 246, 0.09); }
.sess b { font-size: 13.5px; display: block; line-height: 1.4; }
.sess .sess-meta { display: flex; gap: 10px; margin-top: 5px; font-family: var(--mono); font-size: 11px; color: var(--txt-3); }
.explorer-hint { color: var(--txt-3); text-align: center; padding: 70px 16px; font-size: 14.5px; }
.tstat-row { display: flex; gap: 10px; flex-wrap: wrap; margin: 4px 0 16px; }
.tstat {
  font-family: var(--mono); font-size: 12px; color: var(--txt-2);
  border: 1px solid var(--line); border-radius: 8px; padding: 5px 11px;
}
.tstat b { color: var(--txt); }
.wf { display: flex; flex-direction: column; gap: 5px; }
.wf-row { display: grid; grid-template-columns: 118px 1fr 62px; gap: 10px; align-items: center; font-size: 12px; }
.wf-name { font-family: var(--mono); color: var(--txt-2); text-align: right; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.wf-track { background: rgba(255, 255, 255, 0.045); border-radius: 5px; height: 16px; position: relative; overflow: hidden; }
.wf-bar { position: absolute; top: 0; bottom: 0; border-radius: 5px; min-width: 4px; opacity: 0.9; }
.wf-bar.llm { background: linear-gradient(90deg, rgba(139,92,246,.85), rgba(139,92,246,.55)); }
.wf-bar.tool { background: linear-gradient(90deg, rgba(56,189,248,.8), rgba(56,189,248,.5)); }
.wf-bar.bench { background: linear-gradient(90deg, rgba(251,146,60,.85), rgba(251,146,60,.55)); }
.wf-ms { font-family: var(--mono); color: var(--txt-3); font-size: 11px; }
.phase-strip { display: flex; height: 12px; border-radius: 6px; overflow: hidden; margin-top: 8px; border: 1px solid var(--line); }
.phase-strip i { display: block; height: 100%; }
.outcome-badge { font-family: var(--mono); font-size: 11px; border-radius: 6px; padding: 2px 8px; }
.outcome-badge.pass { color: var(--green); border: 1px solid rgba(52, 211, 153, 0.45); background: rgba(52, 211, 153, 0.08); }
.outcome-badge.warn { color: var(--amber); border: 1px solid rgba(251, 191, 36, 0.45); background: rgba(251, 191, 36, 0.08); }
.legend { display: flex; gap: 16px; margin-top: 12px; font-size: 12px; color: var(--txt-3); }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }

/* ---------------- real telemetry ---------------- */
.real-block { margin-bottom: 54px; }
.real-block h3 { font-size: 20px; letter-spacing: -0.01em; margin-bottom: 8px; font-family: var(--sans); text-transform: none; }
.block-sub { color: var(--txt-2); font-size: 14.5px; max-width: 720px; margin-bottom: 22px; }
.stat-wall { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.swall {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px 15px;
  transition: border-color 0.2s;
}
.swall:hover { border-color: rgba(139, 92, 246, 0.4); }
.swall b { display: block; font-family: var(--mono); font-size: 24px; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; letter-spacing: -0.02em; }
.swall span { font-size: 12px; color: var(--txt-3); line-height: 1.4; display: block; margin-top: 3px; }
.dedup-note { margin-top: 12px; font-size: 13px; color: var(--txt-3); }
.dedup-note b { color: var(--txt-2); }

.chart-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 54px; }
.chart-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px;
}
.chart-grid > .chart-card { min-width: 0; }
.grid-3 > .card { min-width: 0; }
.chart-card figcaption { font-size: 13.5px; font-weight: 600; color: var(--txt); margin-bottom: 14px; }
.chart-card svg { width: 100%; height: auto; display: block; }
.chart-note { font-size: 11.5px; color: var(--txt-3); margin-top: 10px; font-family: var(--mono); }

.skill-row { display: flex; flex-wrap: wrap; gap: 10px; }
.skill-chip {
  display: inline-flex; align-items: center; gap: 9px;
  border: 1px solid var(--line-strong); border-radius: 999px; padding: 8px 16px;
  font-size: 13.5px; color: var(--txt); background: rgba(255, 255, 255, 0.03);
}
.skill-chip .n { font-family: var(--mono); font-size: 12px; color: var(--cyan); }
.skill-chip.rare { border-style: dashed; color: var(--txt-2); }

.kw-cloud { display: flex; flex-wrap: wrap; gap: 9px; align-items: center; }
.kw { font-family: var(--mono); color: var(--txt-3); border: 1px solid var(--line); border-radius: 7px; padding: 3px 10px; }
.real-foot { font-size: 12.5px; color: var(--txt-3); border-top: 1px solid var(--line); padding-top: 18px; max-width: 860px; }

/* ---------------- charts (bars / stacked / donut / flows) ---------------- */
section[id], div[id="demo"] { scroll-margin-top: 74px; }
.hbars { display: flex; flex-direction: column; gap: 7px; }
.hbar-row { display: grid; grid-template-columns: 132px 1fr 52px; gap: 10px; align-items: center; font-size: 12px; }
.hbar-label { font-family: var(--mono); color: var(--txt-2); text-align: right; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hbar-track { background: rgba(255, 255, 255, 0.045); border-radius: 4px; height: 12px; position: relative; overflow: hidden; }
.hbar-fill { position: absolute; inset: 0 auto 0 0; border-radius: 4px; background: linear-gradient(90deg, #8b5cf6, #22d3ee); }
.hbar-row.dim .hbar-label { color: var(--txt-3); font-style: italic; }
.hbar-val { font-family: var(--mono); color: var(--txt-3); font-size: 11px; }

.stack-bar { display: flex; height: 20px; border-radius: 7px; overflow: hidden; border: 1px solid var(--line); }
.stack-bar i { display: block; height: 100%; }
.stack-legend { display: flex; flex-wrap: wrap; gap: 7px 16px; margin-top: 13px; }
.stack-legend.col { flex-direction: column; gap: 7px; }
.lg-item { font-size: 11.5px; font-family: var(--mono); color: var(--txt-2); white-space: nowrap; }
.lg-item i { display: inline-block; width: 9px; height: 9px; border-radius: 3px; margin-right: 6px; }
.lg-item b { color: var(--txt-3); font-weight: 400; margin-left: 3px; }

.donut-wrap { display: flex; align-items: center; gap: 18px; }
.donut-wrap svg { width: 150px; height: 150px; flex: none; }
.donut-num { fill: var(--txt); font-size: 26px; font-weight: 700; font-family: var(--mono); }
.donut-cap { fill: var(--txt-3); font-size: 10px; font-family: var(--mono); }

.flow-list { display: flex; flex-direction: column; gap: 8px; }
.flow-row { display: grid; grid-template-columns: minmax(180px, auto) 1fr 52px; gap: 10px; align-items: center; }
.flow-chips { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.flow-phase { font-family: var(--mono); font-size: 10.5px; border: 1px solid; border-radius: 6px; padding: 1px 7px; }
.flow-arrow { color: var(--txt-3); font-size: 11px; }

/* ---------------- composer extras ---------------- */
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.obj-toggle { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.obj-btn {
  font-family: inherit; font-size: 13px; padding: 8px 10px; cursor: pointer;
  color: var(--txt-2); background: #0d1122; border: 1px solid var(--line-strong); border-radius: 9px;
  transition: all 0.2s;
}
.obj-btn.sel { color: var(--txt); border-color: var(--vio); background: rgba(139, 92, 246, 0.12); }


/* ---------------- cluster demo ---------------- */
.cluster-demo { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.cluster-topbar { display: flex; align-items: center; gap: 18px; margin-bottom: 16px; flex-wrap: wrap; }
.queue-box { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 260px; }
.queue-label { font-family: var(--mono); font-size: 12px; color: var(--txt-3); text-transform: uppercase; letter-spacing: 0.08em; }
.queue-chips { display: flex; gap: 7px; flex-wrap: wrap; }
.q-chip { font-family: var(--mono); font-size: 11.5px; color: #c4b5fd; border: 1px dashed rgba(139, 92, 246, 0.5); border-radius: 7px; padding: 3px 9px; }
.q-empty { font-size: 12.5px; color: var(--txt-3); font-style: italic; }

.node-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.node {
  border: 1px solid var(--line); border-radius: 12px; padding: 16px 17px; background: rgba(255, 255, 255, 0.02);
}
.node-head { display: flex; align-items: center; gap: 10px; margin-bottom: 13px; }
.node-head b { font-family: var(--mono); font-size: 14px; }
.hb { display: inline-flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: 11.5px; color: var(--txt-3); margin-left: auto; }
.hb .hb-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); }
.hb.stale .hb-dot { background: var(--red); box-shadow: 0 0 8px var(--red); animation: blink 0.8s steps(1) infinite; }
.slot-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 7px; }
.slot {
  aspect-ratio: 1; border-radius: 8px; border: 1px solid var(--line); position: relative;
  display: grid; place-items: center; font-family: var(--mono); font-size: 10px; color: var(--txt-3);
  background: rgba(255, 255, 255, 0.02); cursor: default; transition: transform 0.15s;
}
.slot:hover { transform: scale(1.07); }
.slot.free { border-style: dashed; }
.slot.held { background: rgba(139, 92, 246, 0.16); border-color: rgba(139, 92, 246, 0.6); color: #c4b5fd; }
.slot.held.done { background: rgba(52, 211, 153, 0.1); border-color: rgba(52, 211, 153, 0.45); color: var(--green); }
.slot.stuck { background: rgba(248, 113, 113, 0.14); border-color: rgba(248, 113, 113, 0.6); color: var(--red); animation: pulse 1.2s ease infinite; }
.slot.stuck::after {
  content: attr(data-tip); position: absolute; bottom: calc(100% + 7px); left: 50%; transform: translateX(-50%);
  background: #1a1026; border: 1px solid rgba(248, 113, 113, 0.5); color: var(--txt);
  font-size: 10.5px; border-radius: 7px; padding: 4px 9px; white-space: nowrap;
  opacity: 0; pointer-events: none; transition: opacity 0.15s; z-index: 5;
}
.slot.stuck:hover::after { opacity: 1; }
@keyframes pulse { 50% { box-shadow: 0 0 0 4px rgba(248, 113, 113, 0.12); } }
.node-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 13px; font-size: 12px; color: var(--txt-3); }
.release-btn {
  font-family: inherit; font-size: 12px; font-weight: 600; cursor: pointer;
  color: #fca5a5; background: rgba(248, 113, 113, 0.1); border: 1px solid rgba(248, 113, 113, 0.45);
  border-radius: 7px; padding: 5px 12px; transition: background 0.2s;
}
.release-btn:hover { background: rgba(248, 113, 113, 0.22); }

/* ---------------- quick start ---------------- */
.start-wrap { max-width: 860px; }
.term-tabs { margin-top: 6px; }
.term-tab-btns { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.term-tab-btns button {
  font-family: var(--mono); font-size: 13px; cursor: pointer; color: var(--txt-2);
  background: transparent; border: 1px solid var(--line); border-radius: 9px; padding: 8px 16px;
  transition: all 0.2s;
}
.term-tab-btns button.active { color: var(--txt); border-color: var(--vio); background: rgba(139, 92, 246, 0.12); }
.copy-btn {
  margin-left: auto; font-family: var(--mono); font-size: 11.5px; cursor: pointer;
  color: var(--txt-2); background: transparent; border: 1px solid var(--line-strong);
  border-radius: 7px; padding: 3px 11px; transition: all 0.2s;
}
.copy-btn:hover { color: var(--txt); border-color: var(--txt-2); }

/* ---------------- footer ---------------- */
.footer { border-top: 1px solid var(--line); padding: 40px 0 34px; background: var(--bg-2); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-brand { display: flex; align-items: center; gap: 9px; font-size: 16px; color: var(--txt-2); }
.footer-brand b { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.foot-sep { color: var(--txt-3); }
.footer-links { display: flex; gap: 22px; font-size: 14px; }
.footer-links a { color: var(--txt-2); transition: color 0.2s; }
.footer-links a:hover { color: var(--txt); }
.footer-note { margin-top: 22px; }
.footer-note p { font-size: 12.5px; color: var(--txt-3); }

/* ---------------- responsive ---------------- */
@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .chart-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-wall { grid-template-columns: repeat(3, 1fr); }
  .composer { grid-template-columns: 1fr; }
  .explorer { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 640px) {
  .grid-3 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .chart-grid { grid-template-columns: 1fr; }
  .stat-wall { grid-template-columns: repeat(2, 1fr); }
  .node-grid { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: 1fr 1fr; }
  .rcell.wide { grid-column: span 2; }
  .wf-row { grid-template-columns: 92px 1fr 52px; }
  .section { padding: 64px 0; }
}

/* ---------------- paper ---------------- */
.paper-band {
  background: radial-gradient(1100px 420px at 50% 0%, rgba(139, 92, 246, 0.08), transparent 70%);
}
.paper-card {
  display: grid; grid-template-columns: 1.5fr 1fr; gap: 36px;
  background: var(--panel); border: 1px solid rgba(139, 92, 246, 0.35);
  border-radius: var(--radius); padding: 42px; position: relative; overflow: hidden;
}
.paper-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--grad); }
.paper-card h2 { font-size: 26px; line-height: 1.32; margin: 18px 0 10px; }
.paper-authors { font-family: var(--mono); font-size: 13px; color: var(--txt-2); }
.paper-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 24px; }
.paper-meta .pill {
  font-family: var(--mono); font-size: 12px; color: #a5b4fc;
  border: 1px solid rgba(139, 92, 246, 0.4); background: rgba(139, 92, 246, 0.1);
  border-radius: 999px; padding: 4px 12px;
}
.paper-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.paper-side h4 { font-size: 15px; margin-bottom: 14px; }
.paper-list { list-style: none; display: grid; gap: 11px; margin-bottom: 22px; }
.paper-list li { position: relative; padding-left: 20px; color: var(--txt-2); font-size: 14px; line-height: 1.5; }
.paper-list li::before { content: "▸"; position: absolute; left: 0; color: var(--cyan); }
.bibtex-box { background: #0d1122; border: 1px solid var(--line-strong); border-radius: 10px; padding: 14px 16px; }
.bibtex-box pre {
  font-family: var(--mono); font-size: 11.5px; line-height: 1.6;
  color: var(--txt-2); white-space: pre-wrap; overflow-wrap: break-word; margin: 0;
}

/* ---------------- demo disclaimer ---------------- */
.demo-disclaimer {
  margin-top: 12px; font-size: 13px; line-height: 1.55; color: var(--amber);
  background: rgba(251, 191, 36, 0.06); border: 1px solid rgba(251, 191, 36, 0.28);
  border-radius: 8px; padding: 8px 13px; display: inline-block;
}
.footer-note .biz { margin-top: 8px; color: var(--amber); }

@media (max-width: 1020px) {
  .paper-card { grid-template-columns: 1fr; padding: 28px; gap: 26px; }
}

/* ---------------- optimization matrix ---------------- */
.demo-tabs { margin-bottom: 18px; }
.opt-card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px;
}
.opt-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin-bottom: 18px; }
.opt-legend { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.opt-src { margin-left: auto; font-size: 12.5px; color: var(--txt-3); }
.opt-src a { color: var(--cyan); }
.lg { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; color: var(--txt-2); }
.lg::before { content: ""; width: 11px; height: 11px; border-radius: 4px; flex: none; }
.lg-ready::before { background: linear-gradient(135deg, rgba(139, 92, 246, 0.85), rgba(34, 211, 238, 0.85)); }
.lg-plan::before { border: 1px dashed var(--line-strong); }
.lg-wip::before { border: 1px dashed #fbbf24; }
.lg-fresh::before { background: var(--cyan); }
.matrix-scroll {
  overflow: auto;
  max-height: 264px; /* collapsed preview ≈ 6 compact rows + header strip */
  padding: 0 8px 4px; margin: 0 -8px;
  scrollbar-width: thin; scrollbar-color: rgba(148, 163, 184, 0.35) transparent;
}
.matrix-scroll.open { max-height: none; }
.matrix-scroll::-webkit-scrollbar { width: 8px; height: 8px; }
.matrix-scroll::-webkit-scrollbar-thumb { background: rgba(148, 163, 184, 0.28); border-radius: 4px; }
.opt-matrix .mx-head, .opt-matrix .mx-body { width: 100%; }
/* column tracks: row head is capped so long model names wrap instead of
   stretching; --mx-hw (hardware count) is set from data by renderMatrix.
   On narrow screens both shrink so ~2.5 columns stay visible and the cut
   edge hints the table scrolls sideways. */
.opt-matrix .mx-head, .opt-matrix .mx-body {
  grid-template-columns: minmax(150px, 190px) repeat(var(--mx-hw, 3), minmax(150px, 1fr));
}
@media (max-width: 640px) {
  .opt-matrix .mx-head, .opt-matrix .mx-body {
    grid-template-columns: minmax(96px, 112px) repeat(var(--mx-hw, 3), minmax(116px, 1fr));
  }
  /* narrow but with room for 2+ rows → comfortable sizes, not cramped */
  .mx-band .mx-rowhead b { font-size: 12px; }
  .mx-band .mx-rowhead span { font-size: 9.5px; }
  .mx-band .mx-cell { min-height: 36px; }
  /* stats chips: ONE scrollable line under the title, never multi-row
     (scoped up so the base .mx-chips rule later in the file can't override) */
  .mx-hero-row .mx-chips {
    display: flex; flex-wrap: nowrap; overflow-x: auto;
    width: 100%; margin-left: 0; padding-bottom: 2px;
    scrollbar-width: thin; scrollbar-color: rgba(148, 163, 184, 0.35) transparent;
  }
  .mx-hero-row .mx-chip { flex: none; }
  /* legend: one scrollable line; attribution: its own visible line below */
  .mx-band .opt-head { display: block; }
  .mx-band .opt-legend {
    display: flex; flex-wrap: nowrap; overflow-x: auto; gap: 12px;
    scrollbar-width: thin; scrollbar-color: rgba(148, 163, 184, 0.35) transparent;
  }
  .mx-band .opt-legend .lg { flex: none; font-size: 11px; }
  /* attribution wraps (no side-scroll): MetaInfer must be visible on open */
  .mx-band .opt-src {
    display: block; white-space: normal; overflow: visible;
    font-size: 10.5px; line-height: 1.45; margin: 4px 0 0;
  }
}
/* squeeze tier — not even 2 regular rows fit (short viewports, any width):
   stats chips hide and the whole matrix compresses further */
body.mx-sq .mx-chips { display: none; }
body.mx-sq .mx-hero { padding-top: 8px; }
body.mx-sq .mx-hero h1 { font-size: 17px; }
body.mx-sq .mx-band { padding-top: 2px; }
body.mx-sq .mx-band .opt-card { padding: 10px 12px 12px; }
body.mx-sq .mx-band .opt-head { margin-bottom: 6px; gap: 10px; }
body.mx-sq .lg { font-size: 10.5px; gap: 5px; }
body.mx-sq .opt-src { font-size: 10.5px; }
body.mx-sq .mx-corner { padding: 4px 8px 4px 2px; }
body.mx-sq .mx-colhead { padding: 3px 4px; }
body.mx-sq .mx-colhead b { font-size: 10px; }
body.mx-sq .mx-colhead span { font-size: 8.5px; }
body.mx-sq .opt-matrix .mx-body { padding-top: 3px; }
body.mx-sq .mx-rowhead { padding: 2px 6px 2px 2px; }
body.mx-sq .mx-rowhead b { font-size: 10px; }
body.mx-sq .mx-rowhead span { font-size: 8.5px; }
body.mx-sq .mx-cell { min-height: 24px; margin: 1px; border-radius: 6px; }
body.mx-sq .mx-cell.ready .mx-v { font-size: 9px; }
body.mx-sq .mx-cell.plan span, body.mx-sq .mx-cell.wip span { font-size: 9px; letter-spacing: 0.06em; }
body.mx-sq .mx-expand { margin-top: 6px; padding: 5px 10px; font-size: 11.5px; }
/* column-header strip: one sticky row, so header gaps never leak scrolled cells */
.opt-matrix .mx-head {
  position: sticky; top: 0; z-index: 3;
  display: grid; align-items: stretch;
  background: var(--panel-solid);
  border-bottom: 1px solid var(--line);
}
.mx-corner {
  position: sticky; left: 0; z-index: 4;
  display: flex; align-items: center; justify-content: flex-end;
  padding: 6px 10px 6px 2px; background: var(--panel-solid);
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.06em; color: var(--txt-3);
  text-align: right; white-space: nowrap;
}
.mx-colhead {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px;
  padding: 5px 6px; text-align: center; line-height: 1.25;
  font-family: var(--mono); color: #a5b4fc;
}
.mx-colhead b { font-size: 12px; }
.mx-colhead span { font-size: 10px; color: var(--txt-3); }
/* model rows: names stay pinned while cells scroll sideways */
.opt-matrix .mx-body { display: grid; align-items: stretch; padding-top: 4px; }
.mx-rowhead {
  position: sticky; left: 0; z-index: 2;
  display: flex; flex-direction: column; justify-content: center;
  padding: 3px 8px 3px 2px; background: var(--panel-solid);
  box-shadow: 1px 0 0 var(--line);
}
.mx-rowhead b { font-size: 12px; line-height: 1.2; overflow-wrap: anywhere; }
.mx-rowhead span { font-family: var(--mono); font-size: 9.5px; color: var(--txt-3); }
.mx-cell {
  margin: 2px; min-height: 34px; border-radius: 8px; position: relative;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px;
  font-family: inherit; text-align: center;
}
.mx-cell.ready {
  cursor: pointer; color: var(--txt);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(34, 211, 238, 0.09));
  border: 1px solid rgba(139, 92, 246, 0.45);
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.mx-cell.ready:hover { transform: translateY(-2px); border-color: var(--cyan); }
.mx-cell.ready.sel { border-color: var(--cyan); box-shadow: 0 0 0 1px var(--cyan), 0 6px 20px rgba(34, 211, 238, 0.15); }
.mx-cell.ready .mx-v { font-family: var(--mono); font-size: 10px; color: var(--cyan); }
.mx-cell.ready > span { font-size: 12px; font-weight: 600; }
.mx-cell.plan { border: 1px dashed var(--line-strong); color: var(--txt-3); opacity: 0.55; }
.mx-cell.plan span, .mx-cell.wip span { font-size: 10.5px; letter-spacing: 0.08em; }
.mx-cell.wip { border: 1px dashed rgba(251, 191, 36, 0.5); color: #fbbf24; opacity: 0.85; }
.mx-new {
  position: absolute; top: -6px; right: -4px; font-style: normal;
  font-family: var(--mono); font-size: 8px; font-weight: 700; letter-spacing: 0.06em;
  color: #0b0e1a; background: var(--cyan); border-radius: 4px; padding: 1px 4px;
}
.mx-expand {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; margin-top: 10px; padding: 8px 12px;
  background: rgba(148, 163, 184, 0.05); border: 1px solid var(--line); border-radius: 10px;
  color: var(--txt-2); font-size: 13px; cursor: pointer; font-family: inherit;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.mx-expand:hover { border-color: var(--cyan); color: var(--txt); background: rgba(34, 211, 238, 0.06); }
.mx-expand .chev { transition: transform 0.25s; flex: none; }
.mx-expand.open .chev { transform: rotate(180deg); }
.od-title { font-size: 15px; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.od-title .od-x { color: var(--txt-3); }
.od-stats { max-width: 640px; margin-bottom: 14px; }
.od-pull {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  background: #0d1122; border: 1px solid var(--line-strong); border-radius: 10px; padding: 10px 14px;
}
.od-pull code { font-family: var(--mono); font-size: 13px; color: #67e8f9; overflow-wrap: anywhere; }
.od-pull + .od-pull { margin-top: 10px; }
.od-label { font-size: 12.5px; color: var(--txt-2); white-space: nowrap; }
.od-deploy a { font-family: var(--mono); font-size: 13px; color: #67e8f9; overflow-wrap: anywhere; }
/* per-engine pullable image list (scrolls when long; search may come later) */
.od-imgs {
  max-height: 264px; overflow-y: auto; display: flex; flex-direction: column; gap: 10px;
  padding-right: 4px;
  scrollbar-width: thin; scrollbar-color: rgba(148, 163, 184, 0.35) transparent;
}
.od-img { border: 1px solid var(--line-strong); border-radius: 10px; padding: 8px 10px; background: #0d1122; }
.od-img-head { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; flex-wrap: wrap; }
.od-engine {
  font-family: var(--mono); font-size: 11px; font-weight: 700; color: #a5b4fc;
  border: 1px solid rgba(165, 180, 252, 0.4); border-radius: 999px; padding: 1px 9px;
}
.od-digest { font-family: var(--mono); font-size: 10.5px; color: var(--txt-3); overflow-wrap: anywhere; }
/* one dense line per image: command shrinks with ellipsis, copy button stays pinned right */
.od-img .od-pull { flex-wrap: nowrap; gap: 8px; padding: 7px 10px; }
.od-img .od-pull code {
  flex: 1 1 auto; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.od-img .od-pull .copy-btn { flex: none; }
.od-note { margin-top: 6px; }
.od-note p { font-size: 12.5px; color: var(--txt-2); margin: 0; white-space: pre-line; }
.od-note p.clamp { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.od-note-toggle {
  background: none; border: none; padding: 3px 0 0; cursor: pointer;
  color: var(--cyan); font-size: 12px; font-family: inherit;
}
@media (max-width: 640px) {
  .opt-card { padding: 16px; }
}

/* ---------------- mobile nav ---------------- */
.nav-burger {
  display: none; cursor: pointer;
  width: 34px; height: 34px; border-radius: 9px;
  color: var(--txt); background: transparent; border: 1px solid var(--line-strong);
  place-items: center; transition: border-color 0.2s;
}
.nav-burger:hover { border-color: var(--txt-2); }
.nav-burger.open { border-color: var(--vio); color: var(--vio); }
.nav-drawer {
  position: absolute; top: 100%; left: 0; right: 0; z-index: 60;
  display: grid; padding: 6px 20px 14px;
  background: rgba(10, 13, 26, 0.98);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}
.nav-drawer[hidden] { display: none; }
.nav-drawer a {
  padding: 12px 6px; font-size: 15px; color: var(--txt-2);
  border-bottom: 1px solid var(--line);
}
.nav-drawer a:last-child { border-bottom: 0; }
.nav-drawer a:hover { color: var(--txt); }
@media (min-width: 1021px) {
  .nav-drawer { display: none !important; }
}
@media (max-width: 1020px) {
  .nav-burger { display: grid; }
}

/* ---------------- narrow-phone tweaks ---------------- */
@media (max-width: 480px) {
  .hbar-row { grid-template-columns: 96px 1fr 44px; gap: 8px; }
  .lg-item { white-space: normal; }
  .flow-row { grid-template-columns: minmax(118px, auto) 1fr 40px; gap: 8px; }
  .wrap { padding-left: 18px; padding-right: 18px; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .result-grid { grid-template-columns: 1fr 1fr; }
  .nav-inner { gap: 12px; }
  .nav-actions { gap: 8px; margin-left: auto; }
  .brand { font-size: 17px; }
  .brand-mark { width: 22px; height: 22px; }
  .nav-actions a[href*="github"] span { display: none; }
  .nav-actions .btn-sm { padding: 7px 10px; font-size: 12.5px; }
}

/* ---------------- release-history popup ---------------- */
.modal-mask {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(4, 6, 14, 0.74); backdrop-filter: blur(3px);
  display: grid; place-items: center; padding: 20px;
}
.modal-mask[hidden] { display: none; }
.modal {
  position: relative; width: min(680px, 100%); max-height: 88vh; overflow-y: auto;
  background: #0e1326; border: 1px solid rgba(139, 92, 246, 0.4);
  border-radius: var(--radius); padding: 26px 28px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
}
.modal-x {
  position: absolute; top: 12px; right: 14px; cursor: pointer;
  font-size: 20px; line-height: 1; color: var(--txt-3);
  background: transparent; border: 1px solid var(--line-strong);
  border-radius: 8px; width: 30px; height: 30px; transition: all 0.2s;
}
.modal-x:hover { color: var(--txt); border-color: var(--txt-2); }
.modal-tag {
  display: inline-block; font-family: var(--mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase; color: #67e8f9;
  border: 1px solid rgba(34, 211, 238, 0.4); background: rgba(34, 211, 238, 0.08);
  border-radius: 999px; padding: 3px 11px;
}
.modal-title { font-size: 21px; margin: 14px 0 4px; display: flex; align-items: center; gap: 9px; flex-wrap: wrap; position: relative; }
.modal-title .od-x { color: var(--txt-3); font-size: 16px; }
.modal-sub { font-family: var(--mono); font-size: 12px; color: var(--txt-3); }
.mx-chart-svg { width: 100%; height: auto; margin-top: 16px; display: block; }
.mx-chart-svg .cg { stroke: rgba(148, 163, 200, 0.14); }
.mx-chart-svg .cx { fill: var(--txt-3); font-family: var(--mono); font-size: 11px; text-anchor: middle; }
.mx-chart-svg .cv { font-family: var(--mono); font-size: 10.5px; font-weight: 600; text-anchor: middle; }
.mx-legend { display: flex; flex-wrap: wrap; gap: 16px; margin: 6px 0 4px; }
.mx-lg { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; color: var(--txt-2); }
.mx-lg i { width: 14px; height: 3px; border-radius: 2px; display: inline-block; flex: none; }
.mx-lg em { font-style: normal; color: var(--txt-3); font-size: 11px; }
.cl-h {
  font-size: 12px; margin: 18px 0 10px; color: var(--txt-2);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.cl-list { display: grid; gap: 7px; margin-bottom: 18px; }
.cl-row { display: flex; gap: 12px; align-items: baseline; font-size: 13px; line-height: 1.5; }
.cl-v { font-family: var(--mono); color: var(--cyan); flex: none; min-width: 40px; }
.cl-d { font-family: var(--mono); color: var(--txt-3); flex: none; font-size: 11.5px; }
.cl-t { color: var(--txt-2); }
@media (max-width: 640px) {
  .cl-row { flex-wrap: wrap; gap: 4px 12px; }
  .modal { padding: 20px 16px; }
}

/* ---------------- FenixCOS brand + top nav (matrix / platform) ---------------- */
.brand-txt { display: flex; flex-direction: column; line-height: 1.05; }
.brand-txt small {
  font-size: 8.5px; font-weight: 600; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--txt-3); margin-top: 2px;
}
.nav-links .nav-dd { display: flex; align-items: center; position: relative; }
.nav-dd-btn {
  display: inline-flex; align-items: center; gap: 5px;
  background: none; border: 0; padding: 6px 2px; cursor: pointer;
  color: var(--txt-2); font-family: inherit; font-size: 14.5px; transition: color 0.2s;
}
.nav-dd-btn:hover { color: var(--txt); }
.nav-dd-btn svg { transition: transform 0.18s ease; }
.nav-dd.open .nav-dd-btn svg { transform: rotate(180deg); }
.dd-panel {
  position: absolute; top: calc(100% + 12px); left: 50%; z-index: 60;
  min-width: 232px; padding: 8px;
  background: #0e1326; border: 1px solid rgba(139, 92, 246, 0.35); border-radius: 12px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.5);
  opacity: 0; visibility: hidden; transform: translate(-50%, 6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
}
.nav-dd.open .dd-panel { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.dd-cap {
  display: block; padding: 7px 12px 9px; margin-bottom: 6px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.14);
  font-size: 10.5px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--txt-3);
}
.dd-panel a { display: block; padding: 9px 12px; border-radius: 8px; color: var(--txt-2); font-size: 14px; transition: background 0.15s, color 0.15s; }
.dd-panel a:hover { background: rgba(139, 92, 246, 0.14); color: var(--txt); }
.nav-strong, .drawer-strong {
  color: transparent !important;
  background: linear-gradient(90deg, #a78bfa, #22d3ee);
  -webkit-background-clip: text; background-clip: text;
  font-weight: 700;
}
.nav-strong.active { text-decoration: underline; text-underline-offset: 7px; text-decoration-color: #22d3ee; }
.drawer-strong.active { text-decoration: underline; text-underline-offset: 5px; text-decoration-color: #22d3ee; }
.drawer-group {
  padding: 14px 18px 6px; font-size: 10.5px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--txt-3);
}

/* ---------------- model-matrix strip (home) + matrix page ---------------- */
.strip {
  display: flex; align-items: center; justify-content: space-between; gap: 26px; flex-wrap: wrap;
  border: 1px solid rgba(139, 92, 246, 0.35); border-radius: var(--radius);
  padding: 28px 32px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.12), rgba(34, 211, 238, 0.05));
}
.strip-copy h2 { margin: 10px 0 8px; font-size: 25px; letter-spacing: -0.02em; }
.strip-copy .sec-sub { margin: 0; }
.strip-side { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; }
.strip-stats { display: flex; gap: 26px; flex-wrap: wrap; }
.strip-stats .hstat b { font-size: 24px; }
.strip + .demo-disclaimer { margin-top: 16px; }
/* matrix page — compact first screen: the table owns the viewport, not the titles */
.mx-hero { padding: 18px 0 0; }
.mx-hero .sec-head { margin-bottom: 10px; }
.mx-hero-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.mx-hero h1 { font-size: 24px; letter-spacing: -0.02em; margin: 0; }
.mx-chips { display: flex; gap: 7px; flex-wrap: wrap; margin-left: auto; }
.mx-chip {
  display: inline-flex; align-items: baseline; gap: 5px;
  border: 1px solid rgba(148, 163, 184, 0.25); border-radius: 999px;
  padding: 3px 9px; font-size: 11.5px; color: var(--txt-2); background: rgba(148, 163, 184, 0.06);
}
.mx-chip b { font-size: 13px; color: var(--txt); }
.mx-band { padding: 4px 0 8px; }
.mx-band .opt-card { padding: 14px 16px 16px; }
.mx-band .opt-head { margin-bottom: 10px; }
.mx-cta { padding: 0 0 18px; }
.mx-cta .strip { padding: 13px 20px; gap: 16px; }
.mx-cta .strip-copy h2 { font-size: 19px; margin: 0 0 4px; }
.mx-cta .strip-copy .sec-sub { font-size: 13px; }
.mx-cta .strip-side { gap: 10px; }
.mx-cta .btn { padding: 7px 16px; font-size: 13.5px; border-radius: 8px; }
@media (max-width: 640px) {
  .brand-txt small { display: none; }
  .strip { padding: 22px 20px; }
  .strip-copy h2 { font-size: 21px; }
  .mx-hero { padding-top: 14px; }
  .mx-hero h1 { font-size: 20px; }
  .mx-chip { padding: 2px 8px; font-size: 11px; }
}
.brand-word { display: inline-block; }
.strip-copy { flex: 1 1 460px; min-width: 0; }
.strip-side { flex: 0 0 auto; }