/* =============================================================
   Convexfolio — design system
   Apple-inspired restraint, premium SaaS feel.
   ============================================================= */

/* ─────────────────────────────── fonts */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../fonts/InterVariable.woff2') format('woff2-variations');
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/JetBrainsMono-Regular.woff2') format('woff2');
}

/* ─────────────────────────────── tokens */
:root {
  --ink: #05070D;
  --ink-2: #0B1220;
  --ink-3: #131D33;
  --line-dark: rgba(255,255,255,.08);
  --line-dark-2: rgba(255,255,255,.14);
  --paper: #FFFFFF;
  --paper-2: #F7F8FB;
  --bg: #F4F6FB;
  --text: #0B1220;
  --text-2: #2E3B54;
  --muted: #5C6B86;
  --muted-2: #8493AC;
  --line: #E4E8F1;
  --line-2: #D7DDE9;

  --brand: #2DD4BF;       /* mint accent */
  --brand-2: #0FB5A3;
  --brand-deep: #0B7F73;
  --brand-soft: #E1FAF5;
  --brand-ink: #04362F;

  --teal: #1E8DBE;
  --violet: #8B6CE6;
  --amber: #F5B04B;
  --amber-deep: #C7770E;

  --navy: #0B1526;
  --navy-2: #16375B;

  --code-bg: #0A1020;
  --code-bg-2: #0D1530;
  --code-text: #DCE4F4;
  --code-line: #1F2A48;

  --shadow-sm: 0 1px 2px rgba(11,18,32,.06), 0 2px 8px rgba(11,18,32,.04);
  --shadow-md: 0 4px 14px rgba(11,18,32,.08), 0 12px 36px rgba(11,18,32,.06);
  --shadow-lg: 0 16px 48px rgba(11,18,32,.14), 0 32px 80px rgba(11,18,32,.10);
  --shadow-glow: 0 0 0 1px rgba(45,212,191,.25), 0 8px 36px rgba(45,212,191,.18);

  --radius-xs: 8px;
  --radius-sm: 10px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --gutter: 24px;
  --container: 1180px;
  --container-narrow: 920px;

  --easing: cubic-bezier(.2,.8,.2,1);
}

/* ─────────────────────────────── base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  font: 400 17px/1.6 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', system-ui, Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'cv11', 'ss01', 'ss03';
}
::selection { background: rgba(45,212,191,.35); color: var(--ink); }
img, svg { max-width: 100%; display: block; }
a { color: var(--brand-deep); text-decoration: none; transition: color .15s var(--easing); }
a:hover { color: var(--brand); text-decoration: none; }
button { font: inherit; cursor: pointer; }
code, kbd, pre {
  font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  font-size: .92em;
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 0 0 10px 10px;
  z-index: 999;
}
.skip-link:focus { left: 16px; }

/* ─────────────────────────────── nav */
.nav {
  position: sticky; top: 0; z-index: 60;
  background: rgba(8,12,22,.55);
  backdrop-filter: saturate(160%) blur(18px);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  border-bottom: 1px solid transparent;
  transition: background .2s var(--easing), border-color .2s var(--easing);
}
.nav.is-scrolled {
  background: rgba(8,12,22,.82);
  border-bottom-color: var(--line-dark);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px var(--gutter);
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
}
.nav-brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: #fff; font-weight: 700; font-size: 16px; letter-spacing: -0.2px;
}
.nav-mark { display: inline-flex; }
.nav-word { color: #fff; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  color: rgba(255,255,255,.74); font-size: 14.5px; font-weight: 500;
  padding: 8px 12px; border-radius: 8px;
  transition: color .15s var(--easing), background .15s var(--easing);
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,.07); }
.nav-actions { display: flex; align-items: center; gap: 8px; }
.nav-burger {
  display: none;
  width: 40px; height: 40px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.04);
  border-radius: 10px;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  padding: 0;
}
.nav-burger span {
  display: block; width: 18px; height: 1.5px; background: #fff; border-radius: 1px;
  transition: transform .25s var(--easing), opacity .15s;
}

.nav-mobile {
  display: none;
  padding: 8px var(--gutter) 18px;
  border-top: 1px solid var(--line-dark);
  background: rgba(8,12,22,.96);
  flex-direction: column; gap: 2px;
}
.nav-mobile a {
  color: rgba(255,255,255,.86);
  padding: 12px 4px;
  border-bottom: 1px solid var(--line-dark);
  font-size: 16px;
}
.nav-mobile a:last-child { border-bottom: 0; margin-top: 6px; }

/* ─────────────────────────────── buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px; border-radius: 999px;
  font-weight: 600; font-size: 14.5px; line-height: 1;
  border: 1px solid transparent;
  transition: transform .12s var(--easing), background .18s var(--easing), border-color .18s var(--easing), box-shadow .18s var(--easing), color .18s var(--easing);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-sm { padding: 8px 14px; font-size: 13.5px; }
.btn-lg { padding: 14px 24px; font-size: 15.5px; }
.btn-block { display: flex; width: 100%; justify-content: center; }

.btn-primary {
  background: var(--brand); color: var(--brand-ink);
  box-shadow: 0 6px 24px rgba(45,212,191,.30), inset 0 1px 0 rgba(255,255,255,.4);
}
.btn-primary:hover { background: #3EE2CE; color: var(--brand-ink); box-shadow: 0 10px 32px rgba(45,212,191,.38); }

.btn-ghost-light {
  color: #fff;
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.18);
  backdrop-filter: blur(10px);
}
.btn-ghost-light:hover { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.3); color: #fff; }

.btn-ghost-dark {
  color: var(--text);
  background: var(--paper);
  border-color: var(--line);
  box-shadow: var(--shadow-sm);
}
.btn-ghost-dark:hover { border-color: var(--line-2); box-shadow: var(--shadow-md); }

/* ─────────────────────────────── eyebrows & section heads */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font: 600 12px/1 'JetBrains Mono', ui-monospace, Menlo, monospace;
  letter-spacing: .12em; text-transform: uppercase;
  color: rgba(255,255,255,.78);
  padding: 7px 12px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 999px;
  background: rgba(255,255,255,.04);
}
.eyebrow-dark {
  color: var(--brand-deep);
  background: var(--brand-soft);
  border-color: rgba(15,181,163,.18);
}
.eyebrow-light {
  color: rgba(255,255,255,.78);
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.14);
}
.eyebrow-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 3px rgba(45,212,191,.18);
}

.section-head { max-width: 760px; margin: 0 auto 56px; text-align: left; }
.section-head-center { text-align: center; }
.section-title {
  margin: 18px 0 14px;
  font-size: clamp(32px, 4.4vw, 46px);
  font-weight: 700;
  letter-spacing: -1.2px;
  line-height: 1.08;
  color: var(--text);
}
.section-sub {
  margin: 0;
  font-size: 18px; line-height: 1.55;
  color: var(--muted);
  max-width: 56ch;
}
.section-head-center .section-sub { margin-left: auto; margin-right: auto; }

/* ─────────────────────────────── HERO */
.hero {
  position: relative;
  isolation: isolate;
  color: #E6ECF7;
  background: var(--ink);
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: -1; }
.hero-grid {
  position: absolute; inset: -2px;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, #000 35%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, #000 35%, transparent 80%);
}
.hero-orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px);
  opacity: .55;
}
.hero-orb-1 { width: 540px; height: 540px; top: -200px; right: -120px;
  background: radial-gradient(circle, rgba(45,212,191,.55), transparent 70%); }
.hero-orb-2 { width: 620px; height: 620px; bottom: -260px; left: -180px;
  background: radial-gradient(circle, rgba(30,141,190,.35), transparent 70%); opacity: .42; }
.hero-orb-3 { width: 380px; height: 380px; top: 38%; right: 12%;
  background: radial-gradient(circle, rgba(245,176,75,.22), transparent 70%); opacity: .35; }
.hero-vignette {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(5,7,13,0) 60%, rgba(5,7,13,.85) 100%),
    radial-gradient(ellipse 100% 80% at 50% 0%, transparent 40%, rgba(5,7,13,.6) 100%);
}

.hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 88px var(--gutter) 80px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
  align-items: center;
}
@media (min-width: 980px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 56px;
    padding-top: 112px;
    padding-bottom: 96px;
  }
}
@media (min-width: 1180px) {
  .hero-inner { gap: 72px; }
}

.hero-title {
  margin: 22px 0 22px;
  font-size: clamp(36px, 4.6vw, 58px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -1.4px;
  color: #fff;
  max-width: 14ch;
}
@media (min-width: 980px) {
  .hero-title { font-size: clamp(40px, 4vw, 56px); max-width: 16ch; }
}
.hero-title-accent {
  background: linear-gradient(100deg, #fff 0%, #fff 40%, var(--brand) 60%, var(--amber) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hero-sub {
  margin: 0 0 32px;
  font-size: 19px; line-height: 1.6;
  color: rgba(230,236,247,.74);
  max-width: 52ch;
}
.hero-sub a { color: var(--brand); border-bottom: 1px solid rgba(45,212,191,.4); }
.hero-sub a:hover { border-color: var(--brand); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 32px; }
.hero-meta {
  display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center;
  color: rgba(255,255,255,.6);
  font-size: 13.5px;
}
.hero-install {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 12px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 8px;
  color: #E6ECF7;
  font-size: 13px;
}
.hero-install span { color: var(--brand); }
.dot { opacity: .35; }

/* hero terminal card */
.hero-product {
  position: relative;
  min-height: 380px;
}
.hero-window {
  position: relative;
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 18px;
  box-shadow:
    0 0 0 1px rgba(45,212,191,.10),
    0 30px 60px rgba(0,0,0,.45),
    0 80px 120px rgba(0,0,0,.35);
  overflow: hidden;
  backdrop-filter: blur(12px);
}
.hero-window-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03);
}
.hero-window-dots { display: inline-flex; gap: 6px; }
.hero-window-dots i { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.hero-window-dots i:nth-child(1) { background: #FF5F57; }
.hero-window-dots i:nth-child(2) { background: #FEBC2E; }
.hero-window-dots i:nth-child(3) { background: #28C840; }
.hero-window-dots.right .placeholder { background: transparent; }
.hero-window-title {
  font: 500 12.5px/1 'JetBrains Mono', ui-monospace, monospace;
  color: rgba(255,255,255,.5);
}
.hero-window-body { padding: 18px 20px 20px; }
.hero-window-row {
  display: grid; grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 720px) {
  .hero-window-row { grid-template-columns: 1.1fr .9fr; gap: 20px; align-items: center; }
}
.hero-window-spark {
  background: rgba(0,0,0,.25);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 10px;
  padding: 12px;
  height: 140px;
}
.spark-line, .spark-area { will-change: transform, opacity; }
.hero-spark-caption {
  display: flex; justify-content: space-between;
  margin-top: 10px;
  font: 500 11px/1 'JetBrains Mono', ui-monospace, monospace;
  color: rgba(255,255,255,.45);
  letter-spacing: .04em;
}
.hero-spark-min { color: var(--amber); }

.term {
  margin: 0;
  font: 400 13px/1.7 'JetBrains Mono', ui-monospace, monospace;
  color: var(--code-text);
  white-space: pre-wrap;
  word-break: break-word;
}
.term .t-prompt { color: var(--brand); margin-right: 8px; }
.term .t-cmd { color: #fff; }
.term .t-out { color: #93A7C0; }
.term .t-out.k { color: var(--brand); }
.term .t-out.s { color: #F5A97F; }
.term .t-out.n { color: #C4A2FF; }
.term .t-caret {
  display: inline-block; width: 8px; height: 14px;
  background: var(--brand);
  margin-left: 2px;
  vertical-align: -2px;
  animation: caret 1s steps(1) infinite;
  box-shadow: 0 0 8px rgba(45,212,191,.6);
}
@keyframes caret { 50% { opacity: 0; } }

.hero-float {
  position: absolute;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 13px;
  background: rgba(10,16,32,.78);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 500;
  color: #fff;
  box-shadow: var(--shadow-md);
  z-index: 2;
}
.hero-float svg { flex: 0 0 14px; }
.hero-float-a { top: -18px; left: -18px; animation: float 6s var(--easing) infinite; }
.hero-float-b { bottom: -18px; right: -10px; animation: float 7s var(--easing) -3s infinite; }
@media (max-width: 980px) {
  .hero-float-a { left: 8px; }
  .hero-float-b { right: 8px; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* trust bar */
.trustbar {
  position: relative;
  background: linear-gradient(180deg, rgba(8,12,22,.6), rgba(5,7,13,1));
  border-top: 1px solid var(--line-dark);
  padding: 18px var(--gutter);
}
.trustbar-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex; align-items: center; justify-content: center;
  gap: 18px; flex-wrap: wrap;
}
.trustbar-label {
  font: 500 12px/1 'JetBrains Mono', ui-monospace, monospace;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.45);
}
.trustbar-row { display: inline-flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.trust-pill { font-size: 13px; color: rgba(255,255,255,.7); }
.trust-sep { color: rgba(255,255,255,.22); }

/* ─────────────────────────────── METRICS */
.metrics {
  background: var(--bg);
  padding: 80px var(--gutter);
  border-bottom: 1px solid var(--line);
}
.metrics-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid; gap: 0;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
@media (min-width: 820px) {
  .metrics-inner { grid-template-columns: repeat(4, 1fr); }
}
.metric {
  padding: 32px 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
}
.metric:nth-child(2n) { border-right: 0; }
.metric:last-child { border-bottom: 0; }
@media (min-width: 820px) {
  .metric { border-right: 1px solid var(--line); border-bottom: 0; }
  .metric:nth-child(2n) { border-right: 1px solid var(--line); }
  .metric:last-child { border-right: 0; }
}
.metric-value {
  font-size: clamp(40px, 4.4vw, 56px);
  font-weight: 700;
  letter-spacing: -1.2px;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 10px;
  font-feature-settings: 'tnum' 1;
}
.metric-label {
  font-size: 14px; font-weight: 600; color: var(--text);
  letter-spacing: -.1px;
}
.metric-sub {
  margin-top: 4px;
  font-size: 13px; color: var(--muted);
}

/* ─────────────────────────────── shared section shells */
.overview, .features, .adoption, .how {
  padding: 110px var(--gutter);
  background: var(--bg);
  position: relative;
}
.features {
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.adoption { background: var(--bg); }
.how { background: var(--ink); color: #E6ECF7; padding-left: 0; padding-right: 0; }
.how .section-title { color: #fff; }
.how .section-sub { color: rgba(230,236,247,.65); }
.how .eyebrow { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.14); color: rgba(255,255,255,.78); }
.how-inner {
  max-width: var(--container); margin: 0 auto;
  display: grid; gap: 56px;
  grid-template-columns: 1fr;
}
@media (min-width: 980px) {
  .how-inner { grid-template-columns: 1fr 1.05fr; gap: 72px; align-items: start; }
}

/* ─────────────────────────────── overview / risk cards */
.overview-grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid; gap: 20px;
  grid-template-columns: 1fr;
}
@media (min-width: 760px) { .overview-grid { grid-template-columns: repeat(3, 1fr); } }

.risk-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 28px 30px;
  box-shadow: var(--shadow-sm);
  transition: transform .25s var(--easing), box-shadow .25s var(--easing), border-color .2s var(--easing);
  position: relative;
  overflow: hidden;
}
.risk-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--line-2); }
.risk-card::before {
  content: ""; position: absolute; inset: -1px -1px auto auto;
  width: 180px; height: 180px; border-radius: 50%;
  filter: blur(60px); opacity: .35;
  pointer-events: none;
}
.risk-card-variance::before { background: radial-gradient(circle, var(--brand), transparent 70%); }
.risk-card-cfvar2::before { background: radial-gradient(circle, var(--amber), transparent 70%); }
.risk-card-cfvar3::before { background: radial-gradient(circle, var(--violet), transparent 70%); }

.risk-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
  background: var(--brand-soft);
  color: var(--brand-deep);
}
.risk-card-cfvar2 .risk-icon { background: rgba(245,176,75,.16); color: var(--amber-deep); }
.risk-card-cfvar3 .risk-icon { background: rgba(139,108,230,.16); color: var(--violet); }
.risk-card h3 {
  margin: 0 0 10px;
  font-size: 22px; font-weight: 650;
  letter-spacing: -.4px;
  color: var(--ink);
}
.risk-card p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 15.5px; line-height: 1.6;
}
.risk-pill {
  display: inline-block;
  font: 500 12px/1 'JetBrains Mono', ui-monospace, monospace;
  padding: 6px 10px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-2);
}

/* ─────────────────────────────── how-steps */
.how-steps {
  list-style: none; padding: 0; margin: 32px 0 0;
  display: grid; gap: 24px;
}
.how-step {
  display: grid; grid-template-columns: auto 1fr; gap: 18px;
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,.08);
}
.how-step:last-child { border-bottom: 1px solid rgba(255,255,255,.08); }
.how-step-num {
  font: 600 13px/1 'JetBrains Mono', ui-monospace, monospace;
  letter-spacing: .12em;
  color: var(--brand);
  padding: 6px 10px;
  background: rgba(45,212,191,.10);
  border: 1px solid rgba(45,212,191,.22);
  border-radius: 8px;
  height: max-content;
}
.how-step h4 {
  margin: 0 0 6px;
  color: #fff;
  font-size: 17px; font-weight: 600;
  letter-spacing: -.2px;
}
.how-step p { margin: 0; color: rgba(230,236,247,.65); font-size: 15px; }

/* code card (hero feature) */
.how-code { position: relative; }
.code-card {
  background: linear-gradient(180deg, #0C1428, #08101F);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(45,212,191,.10),
    0 30px 80px rgba(0,0,0,.5);
}
.code-card-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 11px 16px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03);
}
.code-lang {
  font: 500 12px/1 'JetBrains Mono', ui-monospace, monospace;
  color: rgba(255,255,255,.55);
}
.code-copy {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 10px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 999px;
  color: rgba(255,255,255,.78);
  font-size: 12px;
  transition: background .15s var(--easing), color .15s var(--easing);
}
.code-copy:hover { background: rgba(255,255,255,.12); color: #fff; }
.code-copy.is-copied { color: var(--brand); border-color: rgba(45,212,191,.4); background: rgba(45,212,191,.08); }

.code-card pre {
  margin: 0;
  padding: 22px 22px 24px;
  background: transparent;
  font: 400 13.5px/1.7 'JetBrains Mono', ui-monospace, monospace;
  color: var(--code-text);
  overflow-x: auto;
}
.code-card pre code { background: transparent; padding: 0; }
.code-card-foot {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 22px;
  border-top: 1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.25);
  font: 400 13px/1.5 'JetBrains Mono', ui-monospace, monospace;
}
.code-out-label {
  font-size: 11px; letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--brand);
  padding: 4px 8px;
  border-radius: 5px;
  background: rgba(45,212,191,.10);
  border: 1px solid rgba(45,212,191,.22);
}
.code-card-foot code { color: var(--code-text); }

/* rouge-style palette for the how code */
.k { color: #79C0FF; }
.nn { color: #82E9DE; }
.n { color: #E6EDF7; }
.mf { color: #F5A97F; }
.o { color: #93A7C0; }
.p { color: #93A7C0; }
.c { color: #6B7C9C; font-style: italic; }

/* ─────────────────────────────── features grid */
.features-grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid; gap: 16px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .features-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; } }
@media (min-width: 1080px) { .features-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; } }

.feature {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: transform .2s var(--easing), border-color .2s var(--easing), background .2s var(--easing);
}
.feature:hover {
  transform: translateY(-2px);
  border-color: var(--line-2);
  background: var(--paper);
}
.feature-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--ink);
  color: var(--brand);
  margin-bottom: 18px;
}
.feature h3 {
  margin: 0 0 8px;
  font-size: 17px; font-weight: 600;
  letter-spacing: -.2px;
  color: var(--ink);
}
.feature p {
  margin: 0;
  font-size: 14.5px; line-height: 1.6;
  color: var(--muted);
}
.feature code {
  font: 500 12.5px/1 'JetBrains Mono', ui-monospace, monospace;
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 2px 7px;
  border-radius: 5px;
  color: var(--brand-deep);
}

/* ─────────────────────────────── adoption */
.adoption-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid; gap: 56px;
  grid-template-columns: 1fr;
}
@media (min-width: 980px) {
  .adoption-inner { grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
}
.adoption-copy .section-title { max-width: 14ch; }
.adoption-chips {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin: 20px 0 24px;
}
.adoption-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-2);
}
.adoption-note {
  font-size: 14px; line-height: 1.6;
  color: var(--muted);
  padding: 14px 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.install-card {
  background: linear-gradient(180deg, #0B1224, #07101E);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.install-tabs {
  display: flex; gap: 0;
  padding: 6px 6px 0;
  background: rgba(255,255,255,.04);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.install-tab {
  flex: 1;
  padding: 11px 12px;
  background: transparent;
  border: 0;
  color: rgba(255,255,255,.55);
  font: 500 13px/1 'JetBrains Mono', ui-monospace, monospace;
  letter-spacing: .02em;
  border-radius: 8px 8px 0 0;
  transition: color .15s var(--easing), background .15s var(--easing);
}
.install-tab:hover { color: #fff; }
.install-tab.is-active {
  color: #fff;
  background: rgba(0,0,0,.35);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.06);
}
.install-panels { padding: 8px 0 18px; }
.install-panel {
  margin: 0;
  padding: 16px 22px;
  background: transparent;
  font: 400 13px/1.7 'JetBrains Mono', ui-monospace, monospace;
  color: var(--code-text);
  white-space: pre-wrap;
  display: none;
}
.install-panel.is-active { display: block; }
.install-panel .t-prompt { color: var(--brand); margin-right: 8px; }
.install-panel .t-cmd { color: #fff; }
.install-panel .t-out { color: rgba(255,255,255,.45); }

/* ─────────────────────────────── final CTA */
.finalcta {
  position: relative;
  isolation: isolate;
  padding: 120px var(--gutter);
  color: #fff;
  background: var(--ink);
  text-align: center;
  overflow: hidden;
}
.finalcta-bg {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(800px 400px at 30% 0%, rgba(45,212,191,.22), transparent 60%),
    radial-gradient(700px 380px at 80% 100%, rgba(245,176,75,.18), transparent 60%),
    linear-gradient(180deg, #060A14, #05070D);
}
.finalcta-inner { max-width: 760px; margin: 0 auto; }
.finalcta-title {
  margin: 0 0 16px;
  font-size: clamp(34px, 4.6vw, 50px);
  font-weight: 700;
  letter-spacing: -1.2px;
  line-height: 1.08;
  background: linear-gradient(100deg, #fff, #fff 50%, var(--brand) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.finalcta-sub {
  margin: 0 0 32px;
  font-size: 18px;
  color: rgba(230,236,247,.7);
}
.finalcta-cta {
  display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center;
}

/* ─────────────────────────────── footer */
.footer {
  background: #05080F;
  color: #9AA8BF;
  border-top: 1px solid var(--line-dark);
}
.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 72px var(--gutter) 48px;
  display: grid; gap: 40px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .footer-inner { grid-template-columns: 2fr 1fr 1fr 1fr; } }

.footer-brand-mark {
  display: inline-flex; align-items: center; gap: 10px;
  color: #fff; font-weight: 700; font-size: 16px;
  margin-bottom: 14px;
}
.footer-brand p {
  margin: 0;
  font-size: 14.5px; line-height: 1.6;
  color: rgba(154,168,191,.85);
  max-width: 44ch;
}
.footer-pills {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: 18px;
}
.pill {
  font: 500 11.5px/1 'JetBrains Mono', ui-monospace, monospace;
  letter-spacing: .02em;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
  color: rgba(255,255,255,.78);
}
.footer h4 {
  margin: 0 0 16px;
  color: #fff;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.footer-nav { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-nav a {
  color: rgba(154,168,191,.85);
  font-size: 14.5px;
  transition: color .15s var(--easing);
}
.footer-nav a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid var(--line-dark);
  background: rgba(0,0,0,.3);
}
.footer-bottom-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 22px var(--gutter);
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  font-size: 13px;
  color: rgba(154,168,191,.7);
}
.footer-disclaimer { color: rgba(154,168,191,.55); }

/* ─────────────────────────────── 404 */
.notfound {
  background: var(--bg);
  padding: 100px var(--gutter) 120px;
}
.notfound-inner { max-width: var(--container-narrow); margin: 0 auto; }
.notfound-title {
  margin: 18px 0 14px;
  font-size: clamp(32px, 4.4vw, 46px);
  letter-spacing: -1.2px;
  line-height: 1.1;
  font-weight: 700;
  color: var(--ink);
}
.notfound-sub { color: var(--muted); font-size: 17px; margin: 0 0 32px; max-width: 50ch; }

/* ─────────────────────────────── shared link grid (404 + docs index) */
.link-grid {
  display: grid; gap: 14px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .link-grid { grid-template-columns: repeat(2, 1fr); } }
.link-item {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 12px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  transition: transform .2s var(--easing), border-color .2s var(--easing), box-shadow .2s var(--easing);
  color: inherit;
}
.link-item:hover { transform: translateY(-2px); border-color: var(--line-2); box-shadow: var(--shadow-md); color: inherit; }
.link-item strong { display: block; font-size: 15px; color: var(--ink); margin-bottom: 3px; font-weight: 600; }
.link-item span { font-size: 13.5px; color: var(--muted); }
.link-item .arr { color: var(--brand); font-weight: 700; font-size: 18px; margin-top: 2px; }

/* ─────────────────────────────── DOCS shell */
main.layout-page { background: var(--bg); min-height: 70vh; }
.doc {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 64px var(--gutter) 96px;
}
.doc-masthead {
  border-bottom: 1px solid var(--line);
  padding-bottom: 28px;
  margin-bottom: 36px;
}
.doc-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font: 500 12px/1 'JetBrains Mono', ui-monospace, monospace;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--brand-deep);
}
.doc-eyebrow a { color: var(--brand-deep); }
.doc-eyebrow-sep { color: var(--muted-2); opacity: .6; }
.doc-title-row { margin-top: 12px; }
.doc-h1 {
  margin: 0 0 12px;
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--ink);
  line-height: 1.12;
}
.doc-lede {
  margin: 0;
  font-size: 18px;
  color: var(--muted);
  max-width: 56ch;
}
.doc-body { font-size: 16px; line-height: 1.72; color: var(--text); }

.doc-body h1 { display: none; } /* page header used instead */
.doc-body h2 {
  font-size: 24px; font-weight: 650;
  letter-spacing: -.3px;
  margin: 48px 0 14px;
  padding-top: 8px;
  color: var(--ink);
}
.doc-body h2:first-child { margin-top: 0; padding-top: 0; }
.doc-body h3 {
  font-size: 19px; font-weight: 600;
  letter-spacing: -.2px;
  margin: 32px 0 10px;
  color: var(--ink);
}
.doc-body h4 { font-size: 16px; font-weight: 600; margin: 22px 0 8px; color: var(--ink); }
.doc-body p { margin: 0 0 16px; }
.doc-body ul, .doc-body ol { margin: 0 0 18px; padding-left: 22px; }
.doc-body li { margin: 4px 0; }
.doc-body strong { font-weight: 650; color: var(--ink); }
.doc-body hr { border: 0; border-top: 1px solid var(--line); margin: 36px 0; }

.doc-body a {
  color: var(--brand-deep);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: rgba(15,181,163,.35);
}
.doc-body a:hover { text-decoration-color: var(--brand); }

.doc-body blockquote {
  margin: 0 0 20px;
  padding: 14px 18px;
  background: var(--brand-soft);
  border: 1px solid rgba(15,181,163,.18);
  border-left: 3px solid var(--brand);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--brand-ink);
}
.doc-body blockquote p:last-child { margin: 0; }
.doc-body img { border-radius: var(--radius); border: 1px solid var(--line); }
.doc-body table {
  width: 100%; border-collapse: collapse;
  margin: 0 0 22px;
  font-size: 14.5px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: block;
  overflow-x: auto;
}
.doc-body th { background: var(--paper-2); text-align: left; font-weight: 600; color: var(--ink); }
.doc-body th, .doc-body td { padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.doc-body tr:last-child td { border-bottom: 0; }
.doc-body code {
  font: 400 13.5px/1.5 'JetBrains Mono', ui-monospace, monospace;
  background: var(--paper-2);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 6px;
}
.doc-body pre {
  background: var(--code-bg);
  color: var(--code-text);
  border-radius: var(--radius);
  padding: 18px 22px;
  overflow-x: auto;
  margin: 0 0 22px;
  border: 1px solid var(--code-line);
  line-height: 1.65;
  font-size: 13.5px;
}
.doc-body pre code { background: transparent; color: inherit; padding: 0; border: 0; font-size: inherit; }

/* rouge palette for code in docs */
.highlight .k, .highlight .kd, .highlight .kn, .highlight .kt { color: #79C0FF; }
.highlight .s, .highlight .s1, .highlight .s2, .highlight .sb, .highlight .sc, .highlight .sd, .highlight .se, .highlight .sh, .highlight .si, .highlight .sx { color: #A5D6FF; }
.highlight .m, .highlight .mi, .highlight .mf, .highlight .mh, .highlight .mo, .highlight .il { color: #F5A97F; }
.highlight .c, .highlight .c1, .highlight .cm, .highlight .cs { color: #6B7C9C; font-style: italic; }
.highlight .nb, .highlight .bp, .highlight .nx { color: #E6EDF7; }
.highlight .nf, .highlight .fm, .highlight .nc, .highlight .nn { color: #82E9DE; }
.highlight .o, .highlight .ow, .highlight .p { color: #93A7C0; }
.highlight .err { color: #FF8F9B; }

/* ─────────────────────────────── reveal animations
   Items are visible by default for accessibility and to avoid
   blank pages when JS fails. JS adds `.js` to <html> on load,
   which restores the hidden initial state until the
   IntersectionObserver marks them `.is-in`. */
.reveal {
  opacity: 1;
  transform: none;
  transition: opacity .8s var(--easing), transform .8s var(--easing);
}
.js .reveal:not(.is-in) {
  opacity: 0;
  transform: translateY(16px);
}
.js .reveal.is-in { opacity: 1; transform: none; }

/* ─────────────────────────────── responsive */
@media (max-width: 760px) {
  .nav-inner { padding: 10px var(--gutter); gap: 12px; }
  .nav-links { display: none; }
  .nav-burger { display: inline-flex; }
  .nav-mobile.is-open { display: flex; }
  .nav-mobile:not([hidden]) { display: flex; }

  .hero { padding-bottom: 0; }
  .hero-inner { padding: 72px var(--gutter) 48px; gap: 40px; }
  .hero-title { font-size: clamp(34px, 9vw, 44px); letter-spacing: -1px; }
  .hero-sub { font-size: 17px; }
  .hero-float { display: none; }
  .trustbar-inner { flex-direction: column; gap: 8px; }
  .metrics { padding: 48px var(--gutter); }
  .overview, .features, .adoption, .how { padding: 72px var(--gutter); }
  .footer-inner { padding: 56px var(--gutter) 36px; gap: 32px; }
  .footer-bottom-inner { padding: 18px var(--gutter); }
  .doc { padding: 40px var(--gutter) 72px; }
  .notfound { padding: 56px var(--gutter) 80px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0s !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}