/* ─── HostDeck landing — tokens đồng bộ 100% dashboard ───
   tokens.css → --bg-deep #090909, --bg-base #101010, --text-primary #e5e1d9,
   --accent #d99a3d, --green #55bf78, radius 4px, ease (0.2,0,0,1) 160ms */

:root {
  --bg-deep: #090909;
  --bg-base: #101010;
  --bg-raise: #16140f;
  --bg-card: #131210;
  --line: #2a2722;
  --line-soft: #211f1b;
  --text-primary: #e5e1d9;
  --text-secondary: #b3ada2;
  --text-dim: #6f6a60;
  --accent: #d99a3d;
  --accent-hover: #e5ab55;
  --green: #55bf78;
  --red: #d9695a;
  --yellow: #d9b23d;
  --font-sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", Consolas, monospace;
  --radius: 4px;
  --ease: cubic-bezier(0.2, 0, 0, 1);
  --dur: 160ms;
  --maxw: 1160px;
}

@font-face {
  font-family: Inter;
  src: url("../fonts/inter-latin.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrains-mono-latin.woff2") format("woff2");
  font-weight: 400 500;
  font-style: normal;
  font-display: swap;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 88px; overflow-x: clip; }

body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

::selection { background: var(--accent); color: var(--bg-deep); }

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

img { display: block; max-width: 100%; }

code, pre, .mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ─── NAV (floating pill) ─── */
.nav {
  position: fixed; top: 14px; left: 50%; transform: translateX(-50%);
  z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  width: min(1060px, calc(100vw - 28px));
  min-height: 52px; padding: 0 20px;
  background: color-mix(in srgb, var(--bg-deep) 78%, transparent);
  backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 10px 34px rgba(0, 0, 0, .45);
  transition: padding var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.nav.is-scrolled {
  padding: 0 18px; min-height: 46px;
  box-shadow: 0 8px 26px rgba(0, 0, 0, .5);
  background: color-mix(in srgb, var(--bg-deep) 92%, transparent);
}
.nav-brand { display: flex; align-items: center; gap: 10px; color: var(--text-primary); }
.nav-mark { width: 22px; height: 22px; }
.nav-word { font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .14em; color: var(--text-primary); }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--text-secondary); font-size: 14px; transition: color var(--dur) var(--ease); white-space: nowrap; }
.nav-links a:hover { color: var(--text-primary); }
.nav-links .nav-gh { color: var(--accent); }
.nav-links .nav-gh:hover { color: var(--accent-hover); }

/* Mobile nav burger + slide-in drawer (visible ≤900px) */
.nav-burger {
  display: none; align-items: center; justify-content: center;
  width: 38px; height: 38px; padding: 0;
  border: 1px solid var(--line); border-radius: 8px;
  background: transparent; color: var(--text-secondary);
  cursor: pointer; transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.nav-burger:hover { color: var(--text-primary); border-color: var(--line-strong); }
.nav-drawer {
  position: fixed; inset: 0; z-index: 1000;
  visibility: hidden; pointer-events: none;
}
.nav-drawer.is-open { visibility: visible; pointer-events: auto; }
.nav-drawer-backdrop {
  position: absolute; inset: 0;
  background: transparent;
  opacity: 1; transition: none;
}
.nav-drawer-panel {
  position: absolute; top: 72px; right: 14px;
  width: min(72vw, 264px);
  display: flex; flex-direction: column; gap: 2px;
  padding: 10px;
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, .5);
  opacity: 0; transform: translateY(-8px);
  transition: opacity 180ms var(--ease), transform 180ms var(--ease);
}
.nav-drawer.is-open .nav-drawer-panel { opacity: 1; transform: translateY(0); }
.nav-drawer-panel a {
  color: var(--text-secondary); font-size: 15px;
  padding: 12px 10px; border-radius: 8px;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.nav-drawer-panel a:hover { color: var(--text-primary); background: var(--bg-raise); }
.nav-drawer-panel .nav-active { color: var(--text-primary); }
.nav-drawer-panel .nav-gh { color: var(--accent); }
.nav-burger:focus-visible, .nav-drawer-panel a:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

/* ─── HERO (left-biased, two columns) ─── */
.hero {
  position: relative; min-height: 100dvh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 140px 24px 72px; overflow: clip;
}
.hero-wave { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .55; }
.hero-grid {
  position: relative; max-width: var(--maxw); margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 56px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em;
  color: var(--text-secondary);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 14px; margin-bottom: 26px;
  background: color-mix(in srgb, var(--bg-base) 70%, transparent);
}
.pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--green); position: relative; }
.pulse::after {
  content: ""; position: absolute; inset: -3px; border-radius: 50%;
  border: 1px solid var(--green); opacity: .6; animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse { 0% { transform: scale(.6); opacity: .7; } 70% { transform: scale(1.5); opacity: 0; } 100% { opacity: 0; } }

.hero-title { font-size: clamp(2.6rem, 5.5vw, 4rem); line-height: 1.06; font-weight: 700; letter-spacing: -.02em; margin-bottom: 22px; overflow-wrap: anywhere; }
.hero-accent { color: var(--accent); font-weight: 700; }
.hero-sub { color: var(--text-secondary); font-size: clamp(1rem, 1.6vw, 1.15rem); max-width: 560px; margin-bottom: 30px; }

.hero-term {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 14px;
  color: var(--text-secondary);
  background: var(--bg-base); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px 18px; margin-bottom: 34px;
}
.t-prompt { color: var(--green); }
.t-cursor { width: 8px; height: 16px; background: var(--accent); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.hero-cta { display: flex; gap: 14px; margin-bottom: 22px; flex-wrap: wrap; }
.btn {
  display: inline-block; font-family: var(--font-mono); font-size: 13.5px; letter-spacing: .04em;
  padding: 12px 26px; border-radius: var(--radius); white-space: nowrap;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn-solid { background: var(--accent); color: var(--bg-deep); border: 1px solid var(--accent); }
.btn-solid:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--bg-deep); }
.btn-ghost { border: 1px solid var(--line); color: var(--text-primary); background: color-mix(in srgb, var(--bg-deep) 78%, transparent); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); background: color-mix(in srgb, var(--bg-raise) 82%, transparent); }
.hero-hint { font-family: var(--font-mono); font-size: 11px; color: var(--text-dim); letter-spacing: .06em; }

.hero-shot {
  position: relative; width: 100%;
  border: 1px solid var(--line); border-radius: 8px; overflow: clip;
  background: var(--bg-base);
  box-shadow: 0 24px 80px rgba(0, 0, 0, .55);
}
.hero-shot img { width: 100%; height: auto; }
.shot-label {
  position: absolute; top: 12px; left: 12px;
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .05em;
  color: var(--text-secondary);
  background: rgba(16, 16, 16, .82); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 5px 10px; backdrop-filter: blur(6px);
}
.dot-ok { width: 6px; height: 6px; border-radius: 50%; background: var(--green); flex: none; }

/* ─── KPI ─── */
.kpi { border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); background: var(--bg-base); }
.kpi-grid { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.kpi-cell { padding: 34px 20px; text-align: center; border-right: 1px solid var(--line-soft); }
.kpi-cell:last-child { border-right: none; }
.kpi-num { display: block; font-family: var(--font-mono); font-size: 2.4rem; font-weight: 500; color: var(--text-primary); font-variant-numeric: tabular-nums; }
.kpi-label { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-dim); }

/* ─── SECTION CHUNG (padding vary per section) ─── */
.section-head { max-width: var(--maxw); margin: 0 auto 52px; text-align: center; }
.section-head h2 { font-size: clamp(1.7rem, 4vw, 2.4rem); font-weight: 700; letter-spacing: -.015em; line-height: 1.15; margin-bottom: 16px; overflow-wrap: anywhere; }
.section-sub { color: var(--text-secondary); max-width: 620px; margin: 0 auto; font-size: 1.02rem; }

/* ─── DEMO ─── */
.demo { background: var(--bg-base); padding: 96px 24px 108px; }
.demo-frame { max-width: var(--maxw); margin: 0 auto; border: 1px solid var(--line); border-radius: 8px; overflow: clip; background: var(--bg-deep); box-shadow: 0 24px 70px rgba(0, 0, 0, .5); }
.demo-bar {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 16px; background: var(--bg-raise); border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-mono); font-size: 11px;
}
.demo-live { color: var(--green); letter-spacing: .08em; display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; }
.demo-url { flex: 1; min-width: 0; text-align: right; color: var(--text-dim); letter-spacing: .04em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.demo-frame iframe { display: block; width: 100%; height: min(92dvh, 980px); border: 0; background: var(--bg-deep); }

/* ─── SCREENSHOTS ─── */
.shots { padding: 104px 24px; }
.shots-grid { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.shot-card { border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; background: var(--bg-card); transition: border-color var(--dur) var(--ease); }
.shot-card:hover { border-color: var(--line); }
.shot-card img { width: 100%; height: auto; border-bottom: 1px solid var(--line-soft); }
.shot-card figcaption { padding: 12px 16px; display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.shot-card figcaption b { font-size: 14px; font-weight: 600; }
.shot-card figcaption span { font-family: var(--font-mono); font-size: 10.5px; color: var(--text-dim); }

/* ─── FEATURES (asymmetric bento, icon inline) ─── */
.features { padding: 96px 24px; }
.feat-grid { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 18px; }
.feat-card {
  grid-column: span 5;
  display: flex; gap: 18px; align-items: flex-start;
  border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 26px; background: var(--bg-card);
  transition: border-color var(--dur) var(--ease);
}
.feat-card:hover { border-color: var(--line); }
.feat-card.feat-wide { grid-column: span 7; }
.feat-card:nth-of-type(n+5) { grid-column: span 6; }  /* SLOs + Topology: 6+6 = 12 */
.feat-icon { width: 26px; height: 26px; color: var(--accent); flex: none; margin-top: 2px; }
.feat-card h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; }
.feat-card p { color: var(--text-secondary); font-size: 14.5px; }
.feat-card p b { color: var(--text-primary); font-weight: 500; }

/* ─── SECURITY (no side stripe — hairline + accent mark) ─── */
.security { background: var(--bg-base); padding: 96px 24px 88px; }
.sec-grid { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.sec-card { border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 22px 24px; background: var(--bg-card); }
.sec-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; display: flex; align-items: center; gap: 10px; }
.sec-mark { width: 7px; height: 7px; border-radius: 1px; background: var(--accent); flex: none; }
.sec-card p { color: var(--text-secondary); font-size: 14px; }
.sec-card code { color: var(--accent); font-size: 12.5px; }
.sec-link { max-width: var(--maxw); margin: 34px auto 0; text-align: center; font-size: 13.5px; color: var(--text-dim); }

/* ─── QUICKSTART ─── */
.quickstart { padding: 104px 24px; }
.qs-grid { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.qs-steps { list-style: none; display: flex; flex-direction: column; gap: 24px; }
.qs-steps li { display: flex; gap: 18px; }
.qs-steps li > b { font-family: var(--font-mono); font-size: 13px; color: var(--accent); padding-top: 3px; }
.qs-steps h3 { font-size: 1rem; font-weight: 600; margin-bottom: 4px; }
.qs-steps p { color: var(--text-secondary); font-size: 14px; }
.qs-steps code { color: var(--text-primary); font-size: 12.5px; background: var(--bg-raise); border: 1px solid var(--line-soft); border-radius: 3px; padding: 1px 6px; }
.qs-term { border: 1px solid var(--line); border-radius: 8px; overflow: clip; background: var(--bg-deep); box-shadow: 0 18px 50px rgba(0, 0, 0, .45); }
.qs-term-bar { display: flex; align-items: center; justify-content: space-between; padding: 8px 10px 8px 14px; border-bottom: 1px solid var(--line-soft); }
.qs-term-title { font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--text-tertiary, var(--text-secondary)); }
.qs-copy {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .04em;
  color: var(--text-secondary); background: transparent;
  border: 1px solid var(--line); border-radius: 6px;
  padding: 4px 10px; cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.qs-copy:hover { color: var(--text-primary); border-color: var(--line-strong); background: var(--bg-raise); }
.qs-copy.is-copied { color: var(--green); border-color: var(--green); }
.qs-copy:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.qs-term pre { padding: 20px 22px; font-size: 13px; line-height: 1.75; color: var(--text-secondary); min-height: 150px; white-space: pre-wrap; word-break: break-all; }
.qs-term .c-prompt { color: var(--green); }
.qs-term .c-cmd { color: var(--text-primary); }
.qs-term .c-cursor { display: inline-block; width: 7px; height: 14px; background: var(--accent); vertical-align: -2px; animation: blink 1.1s steps(1) infinite; }

/* ─── CTA ─── */
.cta { text-align: center; border-top: 1px solid var(--line-soft); background: var(--bg-base); padding: 112px 24px 120px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ─── FOOTER ─── */
.footer { border-top: 1px solid var(--line-soft); background: var(--bg-deep); padding: 26px 24px; }
.footer-inner { max-width: var(--maxw); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-brand { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .14em; color: var(--text-dim); }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: 13px; color: var(--text-secondary); white-space: nowrap; }
.footer-links a:hover { color: var(--text-primary); }
.footer-note { font-family: var(--font-mono); font-size: 11px; color: var(--text-dim); }

/* ─── HERO ENTRANCE (one-shot on load, not scroll) ─── */
.hero-inner { animation: rise 640ms var(--ease) both; }
.hero-shot { animation: rise 640ms var(--ease) 140ms both; }
@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-inner, .hero-shot { animation: none; }
  html { scroll-behavior: auto; }
  .nav-drawer-backdrop, .nav-drawer-panel { transition: none; }
}

/* ─── Cross-document view transitions (progressive enhancement) ───
   Meta tag in each page head: <meta name="view-transition" content="same-origin">.
   Unsupported browsers: normal navigation, no visual difference. */
@supports (view-transition-name: root) {
  ::view-transition-old(root) {
    animation: vt-out 300ms var(--ease) both;
  }
  ::view-transition-new(root) {
    animation: vt-in 320ms var(--ease) both;
  }
}
@keyframes vt-out {
  to { opacity: 0; transform: translateY(-24px); }
}
@keyframes vt-in {
  from { opacity: 0; transform: translateY(24px); }
}
@media (prefers-reduced-motion: reduce) {
  ::view-transition-old(root), ::view-transition-new(root) {
    animation-duration: 0.01ms !important;
  }
}

/* ─── HOW IT WORKS ─── */
.how { padding: 88px 24px; }
.how-grid { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px 32px; }
.how-card { border-top: 1px solid var(--line); padding-top: 18px; }
.how-num { font-family: var(--font-mono); font-size: 12px; color: var(--accent); letter-spacing: .1em; }
.how-card h3 { font-size: 1.05rem; font-weight: 600; margin: 6px 0 8px; }
.how-card p { color: var(--text-secondary); font-size: 14.5px; }
.how-note { max-width: var(--maxw); margin: 28px auto 0; font-family: var(--font-mono); font-size: 12.5px; color: var(--text-dim); }

/* ─── COMPARISON ─── */
.compare { padding: 104px 24px; }
.cmp-wrap { max-width: var(--maxw); margin: 0 auto; overflow-x: auto; border: 1px solid var(--line-soft); border-radius: var(--radius); }
.cmp-table { width: 100%; min-width: 720px; border-collapse: collapse; font-size: 13.5px; background: var(--bg-card); }
.cmp-table th, .cmp-table td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line-soft); white-space: nowrap; }
.cmp-table th { font-family: var(--font-mono); font-size: 11px; letter-spacing: .06em; color: var(--text-dim); font-weight: 500; }
.cmp-table tbody tr:last-child th, .cmp-table tbody tr:last-child td { border-bottom: 0; }
.cmp-own { color: var(--text-primary); background: rgba(217, 154, 61, 0.05); font-weight: 600; }

/* ─── FAQ ─── */
.faq { padding: 96px 24px; }
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--line-soft); }
.faq-item summary { list-style: none; cursor: pointer; padding: 18px 4px; font-weight: 600; font-size: 15.5px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-family: var(--font-mono); color: var(--accent); font-size: 18px; transition: transform var(--dur) var(--ease); }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding: 0 4px 18px; color: var(--text-secondary); font-size: 14.5px; line-height: 1.65; }
.faq-item p a { color: var(--accent); }

/* ─── DOCS ─── */
.docs { padding: 96px 24px; }
.docs-grid { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.doc-link { display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto auto; column-gap: 14px; row-gap: 4px; padding: 18px 20px; border: 1px solid var(--line-soft); border-radius: var(--radius); background: var(--bg-card); transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease); }
.doc-link:hover { border-color: var(--accent-dim, rgba(217, 154, 61, 0.4)); transform: translateY(-1px); }
.doc-title { grid-column: 1; font-weight: 600; font-size: 15px; }
.doc-desc { grid-column: 1; color: var(--text-secondary); font-size: 13.5px; }
.doc-arrow { grid-column: 2; grid-row: 1 / span 2; align-self: center; color: var(--accent); font-size: 17px; }

/* ─── ALERTS (notification delivery) ─── */
.alerts { background: var(--bg-card); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); padding: 88px 24px; }
.alerts-inner { max-width: var(--maxw); margin: 0 auto; }
.alerts-head { margin-bottom: 26px; }
.alerts-head h2 { font-size: clamp(22px, 2.8vw, 30px); font-weight: 650; letter-spacing: -0.015em; margin: 0 0 12px; }
.alerts-ch { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-family: var(--font-mono); font-size: 12.5px; }
.alerts-chip { display: inline-block; border: 1px solid var(--line); border-radius: 4px; padding: 5px 10px; color: var(--text-primary); background: var(--bg-raise); }
.alerts-arrow { color: var(--accent); font-size: 15px; }
.alerts-target { color: var(--text-secondary); }
.alerts-note { margin-top: 18px; font-family: var(--font-mono); font-size: 11.5px; color: var(--text-dim); line-height: 1.7; }
.alerts-note code { background: var(--bg-raise); padding: 1px 5px; border-radius: 3px; color: var(--text-primary); }
.alerts-note a { color: var(--accent); }

/* ─── PAGE HERO (docs / changelog) ─── */
.page-hero { padding: 150px 24px 40px; }
.page-hero-inner { max-width: var(--maxw); margin: 0 auto; }
.page-hero h1 { font-size: clamp(30px, 4.2vw, 44px); font-weight: 650; letter-spacing: -0.02em; margin: 0 0 14px; }
.page-hero .section-sub { max-width: 640px; }
.page-hero .section-sub a { color: var(--accent); }
.nav-active { color: var(--accent) !important; }

/* ─── KEY FACTS (docs page) ─── */
.facts { padding: 0 24px 104px; }
.facts-grid { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.fact-cell { border-top: 1px solid var(--line); padding-top: 14px; display: flex; flex-direction: column; gap: 6px; }
.fact-num { font-family: var(--font-mono); font-size: 20px; color: var(--accent); }
.fact-label { color: var(--text-secondary); font-size: 13px; line-height: 1.5; }
.facts-note { max-width: var(--maxw); margin: 26px auto 0; font-family: var(--font-mono); font-size: 12px; color: var(--text-dim); }
.facts-note a { color: var(--accent); }

/* ─── CHANGELOG (changelog page) ─── */
.cl { padding: 32px 24px 104px; }
.cl-version { max-width: var(--maxw); margin: 0 auto 52px; }
.cl-head { display: flex; align-items: baseline; gap: 14px; border-bottom: 1px solid var(--line); padding-bottom: 12px; margin-bottom: 18px; }
.cl-tag { font-family: var(--font-mono); font-size: 15px; font-weight: 600; color: var(--accent); }
.cl-date { color: var(--text-dim); font-size: 12.5px; font-family: var(--font-mono); }
.cl-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.cl-list li { font-size: 14.5px; color: var(--text-secondary); line-height: 1.6; padding-left: 0; }
.cl-list li code { font-family: var(--font-mono); font-size: 12.5px; color: var(--text-primary); background: var(--bg-raise); padding: 1px 5px; border-radius: 3px; }
.cl-type { display: inline-block; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--bg-base); background: var(--accent); border-radius: 3px; padding: 2px 6px; margin-right: 10px; vertical-align: 1px; }

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding-top: 120px; }
  .kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kpi-cell:nth-child(2) { border-right: none; }
  .kpi-cell:nth-child(-n+2) { border-bottom: 1px solid var(--line-soft); }
  .shots-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feat-card, .feat-card.feat-wide, .feat-card:nth-of-type(n+5) { grid-column: span 12; }
  .how-grid { grid-template-columns: 1fr; gap: 26px; }
  .docs-grid { grid-template-columns: 1fr; }
  .facts-grid { grid-template-columns: 1fr; gap: 20px; }
  .sec-grid { grid-template-columns: 1fr; }
  .qs-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-burger { display: flex; }
}
@media (max-width: 480px) {
  section, .demo, .shots, .features, .security, .quickstart { padding: 72px 16px; }
  .cta { padding: 88px 16px 96px; }
  .shots-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 2.2rem; }
  .hero-term { font-size: 12px; padding: 10px 14px; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; text-align: center; }
  .shot-card figcaption { flex-direction: column; gap: 2px; }
}