/* DeepSeek-Reasonix v2 — Editorial / Engineering Brief
 * Direction: deep warm ink, cream foreground, single sodium accent.
 * Type: Instrument Serif display · Geist body · Geist Mono.
 * Principle: restraint, hairlines, generous whitespace, marginalia.
 */

:root {
  /* Warm ink palette */
  --ink:        #0c0b0a;
  --ink-2:      #131110;
  --ink-3:      #1a1714;
  --cream:      #ece4d3;
  --cream-2:    #d9cfb8;
  --cream-dim:  #a09784;
  --cream-mute: #6a6358;
  --rule:       rgba(236, 228, 211, 0.10);
  --rule-2:     rgba(236, 228, 211, 0.18);

  /* Single accent — sodium ochre */
  --accent:     #e87a3a;
  --accent-2:   #d96b2c;
  --accent-soft: rgba(232, 122, 58, 0.14);
  --accent-line: rgba(232, 122, 58, 0.35);

  /* Editorial accents */
  --jade:       #6b8a6f;   /* used very sparingly for success */
  --rust:       #b35538;

  /* Type stack */
  --serif:  "Instrument Serif", "Newsreader", ui-serif, Georgia, serif;
  --sans:   "Geist", "Söhne", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono:   "Geist Mono", "JetBrains Mono", ui-monospace, Menlo, monospace;

  --maxw: 1280px;
  --gutter: 40px;
}

* { box-sizing: border-box; }
*::selection { background: var(--accent); color: var(--ink); }

html, body {
  margin: 0; padding: 0;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--sans);
  font-feature-settings: "ss01", "ss02", "cv11";
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
  background:
    radial-gradient(1400px 600px at 100% -100px, rgba(232,122,58,0.08), transparent 60%),
    var(--ink);
}

/* Paper-grain (super subtle) */
.grid-bg { display: none; }
.noise {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  opacity: 0.06;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/></svg>");
}

/* ─── NAV ──────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(12, 11, 10, 0.78);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--rule);
}
.nav-inner {
  max-width: 1680px;
  margin: 0 auto;
  padding: 16px var(--gutter);
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.5vw, 32px);
}
.brand {
  display: flex; align-items: baseline; gap: 10px;
  text-decoration: none; color: inherit;
  flex-shrink: 0;
}
.brand-mark {
  width: 22px; height: 22px;
  border: 1px solid var(--cream-2);
  border-radius: 50%;
  position: relative;
  flex-shrink: 0;
  align-self: center;
  background: radial-gradient(circle at 35% 35%, var(--accent) 0 26%, transparent 28%);
}
.brand-mark::after {
  display: none;
}
.brand-name {
  display: flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
}
.brand-name b {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 19px;
  letter-spacing: 0.005em;
}
.brand-name span {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--cream-mute);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(16px, 1.9vw, 24px);
  margin-left: clamp(12px, 2vw, 28px);
  font-family: var(--mono);
}
.nav-links a {
  color: var(--cream-dim);
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 0.18s;
  position: relative;
  padding: 4px 0;
  white-space: nowrap;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 1px; background: var(--accent);
  transition: right 0.25s ease;
}
.nav-links a:hover { color: var(--cream); }
.nav-links a:hover::after { right: 0; }

.nav-cta {
  margin-left: auto;
  display: flex; gap: 10px; align-items: center;
  flex-shrink: 0;
}

@media (max-width: 1380px) {
  .nav-link-tertiary { display: none; }
}

@media (max-width: 1160px) {
  .nav-link-secondary { display: none; }
}

@media (max-width: 900px) {
  .nav-link-primary { display: none; }
}

@media (max-width: 680px) {
  .brand-name span,
  .nav-cta .btn-ghost {
    display: none;
  }
}

/* ─── BUTTONS ──────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 18px;
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.005em;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  transition: all 0.18s ease;
  white-space: nowrap;
  border-radius: 0;
}
.btn-primary {
  background: var(--cream);
  color: var(--ink);
  border-color: var(--cream);
}
.btn-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--ink);
}
.btn-ghost {
  background: transparent;
  color: var(--cream);
  border-color: var(--rule-2);
}
.btn-ghost:hover {
  border-color: var(--cream-dim);
  background: rgba(236, 228, 211, 0.03);
}
.btn-sm { padding: 7px 12px; font-size: 12.5px; }

/* ─── LAYOUT ──────────────────────────────────────────────── */
.section {
  position: relative;
  z-index: 2;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 120px var(--gutter) 64px;
  border-top: 1px solid var(--rule);
}
.section:first-of-type { border-top: 0; }

/* Section head: §01 · LABEL  +  big serif title  +  lead */
.sec-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cream-mute);
  margin-bottom: 36px;
}
.sec-num {
  color: var(--accent);
  font-weight: 500;
}
.sec-meta .rule {
  flex: 1;
  height: 1px;
  background: var(--rule);
  max-width: 240px;
}

.section-head {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
  align-items: end;
}
@media (max-width: 900px) {
  .section-head { grid-template-columns: 1fr; gap: 28px; }
}
.section-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 5.4vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--cream);
  margin: 0;
  text-wrap: balance;
}
.section-title em {
  font-style: italic;
  color: var(--accent);
  font-feature-settings: "ss01";
}
.section-sub {
  color: var(--cream-dim);
  font-size: 15.5px;
  line-height: 1.65;
  text-wrap: pretty;
  max-width: 460px;
  justify-self: end;
}
@media (max-width: 900px) { .section-sub { justify-self: start; } }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cream-mute);
}
.eyebrow::before {
  content: "—";
  color: var(--accent);
}

/* ─── HERO ─────────────────────────────────────────────────── */
.hero {
  position: relative;
  z-index: 2;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 80px var(--gutter) 100px;
}

.hero-head {
  display: flex;
  align-items: baseline;
  gap: 20px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cream-mute);
  margin-bottom: 36px;
}
.hero-head .rule { flex: 1; height: 1px; background: var(--rule); max-width: 300px; }
.hero-head .v { color: var(--accent); }

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: start;
}
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
}

.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 6.6vw, 76px);
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 0 0 28px;
  color: var(--cream);
  text-wrap: balance;
}
.hero h1 em {
  font-style: italic;
  color: var(--accent);
}
.hero h1 .accent {
  font-style: italic;
  color: var(--accent);
}
.hero .lede {
  font-family: var(--sans);
  font-size: 17.5px;
  line-height: 1.55;
  color: var(--cream-dim);
  max-width: 560px;
  text-wrap: pretty;
  margin: 0 0 36px;
}
.hero .lede b {
  color: var(--cream);
  font-weight: 500;
  font-family: var(--mono);
  font-size: 0.92em;
  letter-spacing: -0.01em;
}

.hero-actions {
  display: flex; gap: 12px; flex-wrap: wrap;
  margin-bottom: 56px;
}

/* Hero stats — engineering brief */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
  padding-top: 24px;
  max-width: 600px;
}
.hero-stat {
  padding: 0 20px;
  border-right: 1px solid var(--rule);
  text-align: center;
}
.hero-stat:last-child { border-right: 0; }
.hero-stat b {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 3px;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 36px;
  letter-spacing: -0.01em;
  line-height: 1;
  color: var(--cream);
}
.hero-stat .metric-unit {
  display: inline;
  margin-top: 0;
  font-family: var(--mono);
  font-style: normal;
  font-size: 0.48em;
  letter-spacing: 0;
  text-transform: none;
  color: var(--cream-mute);
}
.hero-stat .metric-label {
  display: block;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cream-mute);
}

/* Terminal — restrained */
.terminal {
  position: relative;
  background: var(--ink-2);
  border: 1px solid var(--rule-2);
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.7;
  border-radius: 0;
  box-shadow: none;
  overflow: hidden;
}
.terminal::before { display: none; }
.term-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--rule);
  background: transparent;
}
.term-dots { display: flex; gap: 6px; }
.term-dots i {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--rule-2);
}
.term-dots i:nth-child(1) { background: rgba(232, 122, 58, 0.5); }
.term-dots i:nth-child(2) { background: rgba(236, 228, 211, 0.25); }
.term-dots i:nth-child(3) { background: rgba(236, 228, 211, 0.18); }
.term-title {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--cream-mute);
  letter-spacing: 0.04em;
  margin-left: 6px;
}
.term-tabs {
  margin-left: auto;
  display: flex; gap: 4px;
  font-size: 10px;
  font-family: var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.term-tab { padding: 3px 9px; color: var(--cream-mute); cursor: default; }
.term-tab.on { color: var(--accent); }
.term-body {
  padding: 22px 22px 26px;
  min-height: 320px;
}
.term-line { white-space: pre-wrap; color: var(--cream); }
.term-prompt-user { color: var(--accent); margin-right: 10px; }
.term-mute, .term-dim { color: var(--cream-mute); }
.term-cmd { color: var(--cream); }
.term-warn { color: #c98e4b; }
.term-info { color: var(--cream-2); }
.term-ok { color: var(--jade); }
.cursor {
  display: inline-block;
  width: 8px; height: 14px;
  background: var(--accent);
  vertical-align: -2px;
  margin-left: 2px;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.spark { display: none; }

/* ─── PILLARS / AGENTS ─────────────────────────────────────── */
.agents {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 56px;
  margin-top: 8px;
  align-items: start;
}
@media (max-width: 920px) { .agents { grid-template-columns: 1fr; gap: 24px; } }

.agent-list {
  display: flex; flex-direction: column;
  border-top: 1px solid var(--rule);
}
.agent-item {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 22px 0;
  cursor: pointer;
  border: 0;
  border-bottom: 1px solid var(--rule);
  background: transparent;
  transition: color 0.2s;
  color: var(--cream-dim);
}
.agent-item:hover { background: transparent; color: var(--cream); }
.agent-item.on { color: var(--cream); }
.agent-item .dot { display: none; }
.agent-item .meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--cream-mute);
  letter-spacing: 0.04em;
  margin-left: auto;
  flex-shrink: 0;
}
.agent-item.on .meta { color: var(--accent); }
.agent-item .label {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 22px;
  letter-spacing: -0.005em;
  flex: 1;
  line-height: 1.15;
}
.agent-item .label small {
  display: block;
  font-family: var(--mono);
  font-style: normal;
  font-weight: 400;
  font-size: 10.5px;
  color: var(--cream-mute);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 6px;
}

.agent-detail {
  background: transparent;
  border: 0;
  padding: 0;
  min-height: 0;
}
.agent-detail .en {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.agent-detail h3 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 44px;
  letter-spacing: -0.015em;
  line-height: 1.05;
  margin: 10px 0 24px;
  color: var(--cream);
}
.agent-detail > p {
  font-size: 16px;
  line-height: 1.65;
  color: var(--cream-dim);
  max-width: 560px;
  margin: 0 0 32px;
}

.agent-detail .metric-bar {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding: 22px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-bottom: 32px;
}
.agent-detail .metric-bar b {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 64px;
  line-height: 1;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.agent-detail .metric-bar span {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--cream-mute);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.agent-flow {
  background: transparent;
  border: 0;
  padding: 0;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.9;
  color: var(--cream-dim);
  border-radius: 0;
}
.agent-flow .step {
  display: grid;
  grid-template-columns: 36px 140px 1fr;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.agent-flow .step:last-child { border-bottom: 0; }
.agent-flow .step b {
  color: var(--accent);
  width: auto;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.agent-flow .step em {
  color: var(--cream);
  font-style: normal;
  font-family: var(--mono);
  letter-spacing: 0.04em;
}
.agent-flow .step span:last-child { color: var(--cream-dim); }

/* ─── FEATURES — editorial 2-col ───────────────────────────── */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 8px;
  border-top: 1px solid var(--rule);
}
@media (max-width: 880px) { .feat-grid { grid-template-columns: 1fr; } }
.feat {
  position: relative;
  padding: 36px 28px;
  border-bottom: 1px solid var(--rule);
  border-right: 1px solid var(--rule);
  background: transparent;
  border-radius: 0;
  overflow: visible;
}
.feat:nth-child(3n) { border-right: 0; }
@media (max-width: 880px) {
  .feat { border-right: 0; }
}
.feat:nth-child(n+4) { padding-top: 36px; }

.feat-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cream-mute);
  margin-bottom: 18px;
}
.feat-icon { display: none; }
.feat h3 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 26px;
  letter-spacing: -0.005em;
  line-height: 1.15;
  margin: 0 0 10px;
  color: var(--cream);
}
.feat p {
  color: var(--cream-dim);
  font-size: 14.5px;
  line-height: 1.6;
  margin: 0;
}
.feat-en {
  display: block;
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--cream-mute);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ─── INSTALL ──────────────────────────────────────────────── */
.tabs {
  display: inline-flex;
  border: 1px solid var(--rule-2);
  padding: 0;
  background: transparent;
  border-radius: 0;
  margin-bottom: 18px;
}
.tabs button {
  background: transparent;
  border: none;
  padding: 10px 16px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--cream-mute);
  cursor: pointer;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-right: 1px solid var(--rule);
  transition: color 0.18s;
}
.tabs button:last-child { border-right: 0; }
.tabs button.on {
  color: var(--ink);
  background: var(--accent);
}
.tabs button:hover:not(.on) { color: var(--cream); }

.copy-block {
  display: flex;
  align-items: stretch;
  background: var(--ink-2);
  border: 1px solid var(--rule-2);
  border-radius: 0;
  padding: 0;
  font-family: var(--mono);
  font-size: 14px;
  max-width: 640px;
}
.copy-block .cmd {
  flex: 1;
  padding: 14px 18px;
  color: var(--cream);
}
.copy-block .cmd .tok-cmt { color: var(--accent); }
.copy-block .cmd .tok-fn { color: var(--cream-dim); }
.copy-block .copy-btn {
  background: transparent;
  border: 0;
  border-left: 1px solid var(--rule);
  color: var(--cream-dim);
  padding: 0 18px;
  font-size: 11.5px;
  cursor: pointer;
  font-family: var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.18s;
}
.copy-block .copy-btn:hover {
  color: var(--ink);
  background: var(--cream);
}
.copy-block .copy-btn.copied {
  color: var(--ink);
  background: var(--jade);
}

/* Cards used in install — minimal editorial */
.card {
  background: transparent;
  border: 0;
  border-top: 1px solid var(--rule);
  border-radius: 0;
  padding: 28px 0 0;
  transition: none;
}
.card:hover { border-color: var(--rule); }
.glow-card { background: transparent; border: 1px solid var(--rule); border-radius: 0; padding: 24px; }
.glow-card:hover { border-color: var(--rule-2); }

/* ─── MIRRORS ──────────────────────────────────────────────── */
.mirrors {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 16px;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
@media (max-width: 820px) { .mirrors { grid-template-columns: 1fr; } }

.mirror {
  position: relative;
  background: transparent;
  border: 0;
  border-right: 1px solid var(--rule);
  border-radius: 0;
  padding: 32px 28px;
  transition: background 0.25s;
  overflow: hidden;
}
.mirror:last-child { border-right: 0; }
.mirror.fastest {
  background: rgba(232, 122, 58, 0.04);
  box-shadow: none;
}
.mirror.testing { background: transparent; }
.mirror-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 26px;
}
.mirror-icon {
  width: 26px; height: 26px;
  display: grid; place-items: center;
  background: transparent;
  border: 1px solid var(--rule-2);
  color: var(--cream-dim);
  border-radius: 0;
  flex-shrink: 0;
  align-self: center;
}
.mirror-name {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 22px;
  letter-spacing: -0.005em;
  color: var(--cream);
  line-height: 1.1;
}
.mirror-region {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--cream-mute);
  letter-spacing: 0.1em;
  margin-top: 4px;
  text-transform: uppercase;
}
.mirror-badge {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  padding: 4px 8px;
  border-radius: 0;
  background: var(--accent);
  color: var(--ink);
  text-transform: uppercase;
  opacity: 0;
  transition: opacity 0.3s;
}
.mirror.fastest .mirror-badge { opacity: 1; }

.mirror-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
}
.mirror-stat {
  background: transparent;
  border: 0;
  border-right: 1px solid var(--rule);
  border-radius: 0;
  padding: 16px 18px 16px 0;
}
.mirror-stat:last-child { border-right: 0; padding-right: 0; padding-left: 18px; }
.mirror-stat label {
  display: block;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cream-mute);
  margin-bottom: 8px;
}
.mirror-stat b {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 30px;
  letter-spacing: -0.01em;
  line-height: 1;
  color: var(--cream);
}
.mirror-stat .unit {
  color: var(--cream-mute);
  font-size: 12px;
  margin-left: 4px;
  font-family: var(--mono);
  font-style: normal;
}

.mirror-bar {
  margin-top: 16px;
  height: 2px;
  background: var(--rule);
  border-radius: 0;
  overflow: hidden;
}
.mirror-bar i {
  display: block;
  height: 100%;
  background: var(--accent);
  border-radius: 0;
  transition: width 0.4s ease;
  box-shadow: none;
}
.mirror.testing .mirror-bar i {
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: scan 1.2s linear infinite;
  width: 100% !important;
}
@keyframes scan {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.dl-summary {
  display: flex;
  align-items: baseline;
  gap: 24px;
  margin-top: 32px;
  padding: 22px 0 0;
  border-top: 1px solid var(--rule);
}
.dl-summary .info {
  flex: 1;
  font-size: 14px;
  color: var(--cream-dim);
  font-family: var(--mono);
  letter-spacing: 0.02em;
}
.dl-summary .info b {
  color: var(--cream);
  font-weight: 500;
  font-family: var(--serif);
  font-style: italic;
  font-size: 18px;
  letter-spacing: -0.005em;
}

/* ─── COMMUNITY ────────────────────────────────────────────── */
.community-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  margin-top: 8px;
  align-items: start;
}
@media (max-width: 920px) { .community-grid { grid-template-columns: 1fr; gap: 28px; } }

.star-card {
  background: transparent;
  border: 0;
  border-top: 1px solid var(--rule);
  border-radius: 0;
  padding: 28px 0;
  overflow: visible;
}
.star-card > div:first-child {
  font-family: var(--mono);
}
.star-row {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin: 20px 0 24px;
}
.star-row b {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 80px;
  letter-spacing: -0.025em;
  line-height: 1;
  color: var(--cream);
}
.star-row .delta {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--jade);
  background: transparent;
  border: 1px solid rgba(107, 138, 111, 0.3);
  padding: 3px 8px;
  border-radius: 0;
  letter-spacing: 0.04em;
}
.star-chart {
  height: 90px;
  margin-top: 8px;
}

.contrib-grid {
  background: transparent;
  border: 0;
  border-top: 1px solid var(--rule);
  border-radius: 0;
  padding: 28px 0;
}
.contrib-grid h3 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 28px;
  letter-spacing: -0.005em;
  margin: 0 0 6px;
  color: var(--cream);
}
.contrib-grid .sub {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--cream-mute);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.contrib-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(36px, 1fr));
  gap: 6px;
  margin-top: 22px;
}
.contrib-avatar {
  aspect-ratio: 1;
  border-radius: 0;
  display: grid; place-items: center;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
  color: var(--ink);
  background: var(--cream-2);
  border: 0;
  transition: transform 0.2s;
  letter-spacing: 0.02em;
}
.contrib-avatar:hover { transform: scale(1.1); z-index: 2; }

/* ─── ROADMAP ──────────────────────────────────────────────── */
.roadmap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 8px;
  border-top: 1px solid var(--rule);
}
@media (max-width: 900px) { .roadmap { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .roadmap { grid-template-columns: 1fr; } }
.rm-col {
  background: transparent;
  border: 0;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  border-radius: 0;
  padding: 28px 24px;
  position: relative;
}
.rm-col:last-child { border-right: 0; }
.rm-col header {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 18px;
}
.rm-col header .q {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0;
  background: transparent;
  color: var(--cream-mute);
}
.rm-col header h4 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 24px;
  margin: 0;
  letter-spacing: -0.005em;
  color: var(--cream);
  line-height: 1.1;
}
.rm-col.done header .q { color: var(--jade); }
.rm-col.now header .q { color: var(--accent); }
.rm-col ul { list-style: none; padding: 0; margin: 0; }
.rm-col li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 8px 0;
  font-size: 13.5px;
  color: var(--cream-dim);
  line-height: 1.5;
  border-bottom: 1px solid var(--rule);
}
.rm-col li:last-child { border-bottom: 0; }
.rm-col li > span {
  flex: 1;
  min-width: 0;
}
.rm-col li::before {
  content: "";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  color: var(--cream-mute);
  font-size: 18px;
  line-height: 1;
  width: 16px;
  height: 1.5em;
  border: 0;
  background: radial-gradient(circle at 50% calc(50% - 3px), var(--cream-mute) 0 2.5px, transparent 2.75px);
  flex-shrink: 0;
  margin-top: 0;
  text-align: center;
}
.rm-col.done li::before {
  content: "✓";
  background: none;
  font-size: 13px;
  color: var(--jade);
  transform: translateY(1px);
}
.rm-col.now li::before {
  content: "◐";
  background: none;
  font-size: 13px;
  color: var(--accent);
  transform: translateY(1px);
}

/* ─── FAQ ──────────────────────────────────────────────────── */
.faq-list {
  margin-top: 8px;
  border-top: 1px solid var(--rule);
}
.faq-item {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--rule);
  border-radius: 0;
  overflow: hidden;
  transition: none;
}
.faq-item.open { border-color: var(--rule); }
.faq-q {
  display: flex;
  align-items: baseline;
  gap: 20px;
  padding: 26px 0;
  cursor: pointer;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 24px;
  letter-spacing: -0.005em;
  color: var(--cream);
  line-height: 1.25;
}
.faq-q .idx {
  font-family: var(--mono);
  font-style: normal;
  font-size: 11px;
  color: var(--cream-mute);
  letter-spacing: 0.1em;
  flex-shrink: 0;
  width: 32px;
}
.faq-q .chev {
  margin-left: auto;
  width: 16px; height: 16px;
  transition: transform 0.25s;
  color: var(--cream-mute);
  flex-shrink: 0;
  align-self: center;
}
.faq-item.open .chev { transform: rotate(180deg); color: var(--accent); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 0 0 52px;
  color: var(--cream-dim);
  font-size: 15px;
  line-height: 1.65;
  font-family: var(--sans);
  font-style: normal;
}
.faq-item.open .faq-a { max-height: 500px; padding: 0 0 26px 52px; }

/* ─── CONFIG ───────────────────────────────────────────────── */
.config-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
  margin-top: 8px;
  align-items: start;
}
@media (max-width: 920px) { .config-grid { grid-template-columns: 1fr; gap: 24px; } }

.config-side {
  position: sticky;
  top: 96px;
  display: flex; flex-direction: column;
  border-top: 1px solid var(--rule);
}
@media (max-width: 920px) { .config-side { position: static; } }

.config-tab {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding: 22px 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--rule);
  border-radius: 0;
  cursor: pointer;
  transition: color 0.18s;
  color: var(--cream-dim);
}
.config-tab:hover { color: var(--cream); border-color: var(--rule); }
.config-tab.on {
  color: var(--cream);
  background: transparent;
  border-color: var(--rule);
  box-shadow: none;
}
.config-tab-key {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 0;
  background: transparent;
  border: 0;
  color: var(--cream-mute);
  flex-shrink: 0;
  width: 60px;
}
.config-tab.on .config-tab-key {
  background: transparent;
  border: 0;
  color: var(--accent);
}
.config-tab > div:nth-child(2) { flex: 1; }
.config-tab-title {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 22px;
  letter-spacing: -0.005em;
  line-height: 1.1;
}
.config-tab-cn {
  font-size: 12px;
  color: var(--cream-mute);
  margin-top: 4px;
  font-family: var(--mono);
  letter-spacing: 0.02em;
}
.config-tab svg { color: var(--cream-mute); transition: transform 0.2s, color 0.2s; align-self: center; }
.config-tab.on svg { color: var(--accent); transform: translateX(4px); }

.config-hint {
  margin-top: 24px;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 12px;
  color: var(--cream-mute);
  line-height: 1.6;
  font-family: var(--mono);
}
.config-hint svg { color: var(--accent); flex-shrink: 0; margin-top: 2px; }

.config-main {
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 0;
}
.config-main-head h3 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 38px;
  letter-spacing: -0.015em;
  margin: 0 0 12px;
  color: var(--cream);
  line-height: 1.05;
}
.config-main-head h3 span {
  color: var(--cream-mute);
  font-style: italic;
  font-weight: 400;
  font-size: 22px;
  font-family: var(--serif);
}
.config-main-head p {
  color: var(--cream-dim);
  font-size: 15.5px;
  line-height: 1.65;
  margin: 0;
  max-width: 640px;
}

.config-bullets {
  list-style: none;
  padding: 0;
  margin: 28px 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 28px;
  border-top: 1px solid var(--rule);
}
@media (max-width: 720px) { .config-bullets { grid-template-columns: 1fr; } }
.config-bullets li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 13px;
  color: var(--cream-dim);
  font-family: var(--mono);
  line-height: 1.55;
  letter-spacing: -0.005em;
}
.bullet-dot {
  width: 5px; height: 5px;
  margin-top: 0.7em;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: none;
  flex-shrink: 0;
}
.config-bullets li > span:last-child {
  flex: 1;
}

.config-files {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 12px;
}
.code-panel {
  background: var(--ink-2);
  border: 1px solid var(--rule-2);
  border-radius: 0;
  overflow: hidden;
}
.code-panel-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  background: transparent;
  border-bottom: 1px solid var(--rule);
}
.code-file {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--cream-dim);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.02em;
}
.code-file svg { color: var(--cream-mute); }
.code-panel .copy-btn {
  background: transparent;
  border: 0;
  border-left: 1px solid var(--rule);
  color: var(--cream-mute);
  padding: 6px 12px;
  border-radius: 0;
  font-size: 10.5px;
  cursor: pointer;
  font-family: var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  transition: all 0.18s;
}
.code-panel .copy-btn:hover {
  color: var(--ink);
  background: var(--cream);
}
.code-panel .copy-btn.copied {
  color: var(--ink);
  background: var(--jade);
}
.code-body {
  margin: 0;
  padding: 20px 22px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--cream);
  overflow-x: auto;
  white-space: pre;
}

/* ─── FOOTER ───────────────────────────────────────────────── */
.footer {
  position: relative; z-index: 2;
  border-top: 1px solid var(--rule);
  margin-top: 0;
  padding: 88px 0 36px;
  background: transparent;
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}
@media (max-width: 760px) { .footer-inner { grid-template-columns: 1fr 1fr; } }
.footer h5 {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cream-mute);
  margin: 0 0 18px;
  font-weight: 400;
}
.footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer a {
  color: var(--cream-dim);
  text-decoration: none;
  font-size: 14px;
  font-family: var(--sans);
  transition: color 0.18s;
}
.footer a:hover { color: var(--accent); }
.footer-bottom {
  max-width: var(--maxw);
  margin: 64px auto 0;
  padding: 28px var(--gutter) 0;
  border-top: 1px solid var(--rule);
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 11px;
  color: var(--cream-mute);
  font-family: var(--mono);
  letter-spacing: 0.06em;
}
.footer-bottom .spacer { flex: 1; }

/* ─── UTILITY ──────────────────────────────────────────────── */
.kbd {
  font-family: var(--mono);
  font-size: 10.5px;
  padding: 2px 6px;
  border-radius: 0;
  background: transparent;
  border: 1px solid var(--rule-2);
  color: var(--cream-dim);
  letter-spacing: 0.04em;
}

.section-head-text { max-width: none; }
.section-head-actions { display: flex; gap: 10px; align-items: center; }

/* ─── DOWNLOAD PAGE ────────────────────────────────────────── */
.dl-hero {
  position: relative;
  z-index: 2;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 80px var(--gutter) 80px;
}
.dl-hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: end;
}
@media (max-width: 900px) {
  .dl-hero-grid { grid-template-columns: 1fr; gap: 36px; }
}
.dl-hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(48px, 6.8vw, 96px);
  line-height: 0.98;
  letter-spacing: -0.018em;
  margin: 0 0 26px;
  color: var(--cream);
  text-wrap: balance;
}
.dl-hero h1 em {
  font-style: italic;
  color: var(--accent);
}
.dl-hero .lede {
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--cream-dim);
  max-width: 600px;
  margin: 0 0 16px;
}
.dl-hero .lede b {
  color: var(--cream);
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.92em;
}
.dl-hero .lede-foot {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--cream-mute);
  letter-spacing: 0.02em;
  margin: 0;
}
.dl-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--rule);
  padding-top: 24px;
  justify-self: end;
  width: 100%;
  max-width: 360px;
}
@media (max-width: 900px) { .dl-hero-stats { justify-self: start; max-width: 100%; } }
.dl-hero-stats .hero-stat {
  padding-right: 16px;
  border-right: 1px solid var(--rule);
}
.dl-hero-stats .hero-stat:last-child { border-right: 0; }

/* Toolbar above mirror grid */
.dl-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

/* Platform tabs (above platform notes) */
.platform-tabs {
  display: flex;
  gap: 0;
  border: 1px solid var(--rule-2);
  width: fit-content;
  margin-bottom: 28px;
}
.platform-tab {
  background: transparent;
  border: 0;
  border-right: 1px solid var(--rule);
  padding: 12px 24px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--cream-dim);
  cursor: pointer;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.18s;
}
.platform-tab:last-child { border-right: 0; }
.platform-tab.on {
  background: var(--accent);
  color: var(--ink);
}
.platform-tab:hover:not(.on) { color: var(--cream); }

.platform-note {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
  align-items: start;
  border-top: 1px solid var(--rule);
  padding-top: 32px;
}
@media (max-width: 900px) { .platform-note { grid-template-columns: 1fr; gap: 24px; } }
.platform-note-head h3 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 32px;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--cream);
  line-height: 1.1;
}
.platform-note-en {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 10px;
}
.platform-note-desc {
  color: var(--cream-dim);
  font-size: 15px;
  line-height: 1.65;
  margin: 0 0 24px;
  max-width: 620px;
}
.platform-steps {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.platform-step .copy-block {
  font-size: 13px;
}
.platform-step p {
  margin: 8px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--cream-mute);
  letter-spacing: 0.02em;
}

/* Home page download promo strip */
.dl-promo {
  margin-top: 64px;
  padding: 36px 36px 36px 40px;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  position: relative;
}
.dl-promo::before {
  content: "→ DOWNLOAD";
  position: absolute;
  left: 0; top: -1px;
  background: var(--accent);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  padding: 5px 12px;
  font-weight: 500;
}
.dl-promo h3 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 36px;
  letter-spacing: -0.012em;
  margin: 0 0 8px;
  color: var(--cream);
  line-height: 1.05;
}
.dl-promo h3 em { color: var(--accent); font-style: italic; }
.dl-promo p {
  color: var(--cream-dim);
  font-size: 14.5px;
  margin: 0;
  max-width: 520px;
  line-height: 1.55;
}
.dl-promo-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}
@media (max-width: 760px) {
  .dl-promo { grid-template-columns: 1fr; }
  .dl-promo-actions { flex-wrap: wrap; }
}

.lang-switch {
  display: inline-flex;
  flex-shrink: 0;
  border: 1px solid var(--rule-2);
  border-radius: 6px;
  overflow: hidden;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  margin-right: 4px;
}
.lang-switch button {
  background: transparent;
  border: 0;
  color: var(--cream-mute);
  padding: 5px 9px;
  cursor: pointer;
  font: inherit;
  letter-spacing: inherit;
  transition: background 0.15s, color 0.15s;
}
.lang-switch button + button { border-left: 1px solid var(--rule-2); }
.lang-switch button:hover { color: var(--cream); }
.lang-switch button.on {
  background: var(--accent-soft);
  color: var(--accent);
}