/* ───────── tokens ───────── */
:root, [data-theme="dark"] {
  --bg: #0a0b10;
  --bg-1: #0f1117;
  --bg-2: #161922;
  --bg-3: #1f232e;
  --line: #232734;
  --line-2: #313747;
  --fg: #ece8e0;
  --fg-1: #b6b3aa;
  --fg-2: #82807a;
  --fg-3: #4f4d47;
  --accent: oklch(0.72 0.16 295);
  --accent-2: oklch(0.78 0.13 320);
  --accent-soft: oklch(0.72 0.16 295 / 0.14);
  --accent-line: oklch(0.72 0.16 295 / 0.36);
  --err: oklch(0.68 0.18 25);
  --warn: oklch(0.78 0.14 75);
  --info: oklch(0.72 0.11 230);
  --pass: oklch(0.74 0.13 155);
  --serif: 'Instrument Serif', Georgia, serif;
}
[data-theme="light"] {
  --bg: #f7f4ec;
  --bg-1: #fffdf7;
  --bg-2: #f1ede2;
  --bg-3: #e6e1d2;
  --line: #e2dcca;
  --line-2: #cbc4ad;
  --fg: #1a1815;
  --fg-1: #4a4842;
  --fg-2: #76746b;
  --fg-3: #a8a59a;
  --accent: oklch(0.50 0.16 295);
  --accent-2: oklch(0.55 0.15 320);
  --accent-soft: oklch(0.50 0.16 295 / 0.10);
  --accent-line: oklch(0.50 0.16 295 / 0.32);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
code, .mono, pre { font-family: 'JetBrains Mono', ui-monospace, monospace; font-feature-settings: 'liga' 0; font-variant-ligatures: none; }
em { font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: -0.01em; }
a { color: var(--accent); text-decoration: none; transition: color .15s, opacity .15s; }
a:hover { color: var(--accent-2); opacity: 0.85; }

/* ───────── animated background ───────── */
.bg-grid {
  position: fixed; inset: 0; z-index: -2;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: -1px -1px;
  mask-image: radial-gradient(ellipse 80% 50% at 50% 0%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 50% at 50% 0%, black 30%, transparent 70%);
  opacity: 0.5;
  pointer-events: none;
}
.bg-glow {
  position: fixed; inset: 0; z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(800px 500px at 15% 10%, oklch(0.55 0.18 295 / 0.20), transparent 60%),
    radial-gradient(700px 500px at 85% 5%, oklch(0.55 0.16 320 / 0.16), transparent 60%);
  animation: glow-shift 18s ease-in-out infinite alternate;
}
@keyframes glow-shift {
  0% { transform: translate(0,0) scale(1); }
  100% { transform: translate(-3%, 2%) scale(1.05); }
}
[data-theme="light"] .bg-glow {
  background:
    radial-gradient(800px 500px at 15% 10%, oklch(0.65 0.16 295 / 0.18), transparent 60%),
    radial-gradient(700px 500px at 85% 5%, oklch(0.7 0.14 60 / 0.14), transparent 60%);
}

/* ───────── nav ───────── */
.nav {
  position: sticky; top: 0; z-index: 60;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: color-mix(in oklab, var(--bg) 70%, transparent);
  border-bottom: 1px solid color-mix(in oklab, var(--line) 60%, transparent);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 14px 28px;
  display: flex; align-items: center; gap: 28px;
}
.brand { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; color: var(--fg); }
.brand-mark {
  width: 26px; height: 26px;
  display: grid; place-items: center;
}
.brand-name { font-weight: 700; letter-spacing: -0.01em; font-size: 16px; font-family: 'JetBrains Mono', ui-monospace, monospace; }
.nav-links { display: flex; gap: 4px; margin-left: auto; }
.nav-links a {
  color: var(--fg-1); text-decoration: none;
  padding: 6px 11px; border-radius: 7px;
  font-size: 13.5px; font-weight: 500;
  cursor: pointer;
  transition: background .12s, color .12s;
}
.nav-links a:hover { color: var(--fg); background: var(--bg-2); }
.nav-links a.active { color: var(--accent); background: var(--accent-soft); }
.nav-actions { display: flex; gap: 8px; }

/* ───────── buttons ───────── */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  height: 34px; padding: 0 14px;
  border-radius: 8px;
  font: inherit; font-size: 13.5px; font-weight: 500;
  cursor: pointer; user-select: none;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform .12s, background .12s, border-color .12s, color .12s;
}
.btn-lg { height: 42px; padding: 0 18px; font-size: 14.5px; }
.btn-ghost { background: var(--bg-2); color: var(--fg-1); border-color: var(--line); }
.btn-ghost:hover { background: var(--bg-3); color: var(--fg); border-color: var(--line-2); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  box-shadow: 0 6px 20px -8px var(--accent);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 28px -8px var(--accent); }
.btn-outlined {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.btn-outlined:hover {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px -6px var(--accent-soft);
}

/* ───────── reveal ───────── */
.reveal { opacity: 0; transform: translateY(14px); animation: reveal 0.9s var(--d, 0s) cubic-bezier(.2,.8,.2,1) forwards; }
@keyframes reveal { to { opacity: 1; transform: none; } }

/* ───────── hero ───────── */
.hero { padding: 60px 28px 40px; }
.hero-inner {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px;
  align-items: center;
}
.hero-copy { min-width: 0; }
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 11px 5px 9px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent);
  border-radius: 999px;
  font-size: 12px; font-weight: 600;
  text-decoration: none;
  margin-bottom: 22px;
  letter-spacing: 0.01em;
}
.badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  animation: pulse 1.8s ease-in-out infinite;
}
.badge-rust-ico { width: 14px; height: 14px; flex-shrink: 0; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

.h1 {
  font-size: clamp(38px, 5.2vw, 64px);
  line-height: 1.04;
  font-weight: 700;
  letter-spacing: -0.035em;
  margin: 0 0 20px;
  text-wrap: balance;
}
.h1 .word {
  display: inline-block;
  opacity: 0; transform: translateY(20px);
  animation: word-in 0.7s cubic-bezier(.2,.8,.2,1) forwards;
}
.h1 .word em { color: var(--accent); }
@keyframes word-in { to { opacity: 1; transform: none; } }
.h1 .word:nth-child(1) { animation-delay: .05s; }
.h1 .word:nth-child(2) { animation-delay: .12s; }
.h1 .word:nth-child(3) { animation-delay: .18s; }
.h1 .word:nth-child(4) { animation-delay: .25s; }
.h1 .word:nth-child(5) { animation-delay: .32s; }
.h1 .word:nth-child(6) { animation-delay: .39s; }
.h1 .word:nth-child(7) { animation-delay: .46s; }

/* ── h1 cycling phrases ── */
.h1-cycle {
  display: inline-grid;
  overflow: hidden;
  vertical-align: text-bottom;
  opacity: 0; transform: translateY(20px);
  animation: word-in 0.7s cubic-bezier(.2,.8,.2,1) .46s forwards;
}
.h1-phrase {
  grid-area: 1/1;
  opacity: 0; transform: translateY(110%);
  white-space: nowrap;
  color: var(--accent);
}
.h1-phrase.is-active {
  opacity: 1; transform: translateY(0);
  transition: opacity 0.4s cubic-bezier(.2,.8,.2,1), transform 0.42s cubic-bezier(.2,.8,.2,1);
}
.h1-phrase.is-exiting {
  opacity: 0; transform: translateY(-110%);
  transition: opacity 0.28s cubic-bezier(.4,0,.6,1), transform 0.32s cubic-bezier(.4,0,.6,1);
}

.lede {
  font-size: 17px; color: var(--fg-1);
  margin: 0 0 28px;
  max-width: 560px;
  text-wrap: pretty;
}
.lede strong { color: var(--fg); font-weight: 600; }
.hero-cta { display: flex; gap: 10px; margin-bottom: 36px; flex-wrap: wrap; }

.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  max-width: 560px;
}
.stat { display: flex; flex-direction: column; text-align: right; padding: 0 20px; }
.stat:first-child { padding-left: 0; }
.stat:last-child { padding-right: 0; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat-n {
  font-size: 28px; font-weight: 800; letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-l {
  font-size: 10.5px; color: var(--fg-2);
  text-transform: uppercase; letter-spacing: 0.09em;
  font-weight: 600; line-height: 1.5;
}
.stat-sub {
  display: block;
  font-size: 9.5px; color: var(--fg-3);
  letter-spacing: 0.03em; font-weight: 500;
  text-transform: none; margin-top: 2px;
}
.stat-sub code { background: var(--bg-2); border: 1px solid var(--line); padding: 0 4px; border-radius: 3px; font-size: 9px; }

/* ───────── hero demo (terminal + report) ───────── */
.hero-demo { position: relative; min-height: 460px; }
.demo-stack { position: relative; }

.terminal, .report-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-1);
  overflow: hidden;
  box-shadow: 0 30px 80px -30px rgba(0,0,0,.6), 0 0 0 1px rgba(255,255,255,.02) inset;
  z-index: 10;
}
[data-theme="light"] .terminal,
[data-theme="light"] .report-card {
  box-shadow: 0 30px 80px -30px rgba(0,0,0,.2), 0 0 0 1px rgba(0,0,0,.02) inset;
}

.terminal {
  position: relative; z-index: 1;
  transition: transform .8s cubic-bezier(.2,.8,.2,1), opacity .7s cubic-bezier(.2,.8,.2,1);
}
.terminal-bar, .rc-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 10px 14px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--line);
  font-size: 11.5px;
  color: var(--fg-2);
}
.dot { width: 11px; height: 11px; border-radius: 50%; background: var(--bg-3); }
.dot-r { background: #ff5f57; }
.dot-y { background: #febc2e; }
.dot-g { background: #28c840; }
.terminal-title, .rc-url {
  margin-left: 8px; font-family: 'JetBrains Mono', monospace;
}
.terminal-body {
  padding: 14px 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.6;
  color: var(--fg-1);
  min-height: 260px;
  white-space: pre;
}
.terminal-body .ln { display: block; }
.terminal-body .prompt { color: var(--accent); }
.terminal-body .cmd { color: var(--fg); }
.terminal-body .ok { color: var(--pass); }
.terminal-body .warn { color: var(--warn); }
.terminal-body .err { color: var(--err); }
.terminal-body .info { color: var(--info); }
.terminal-body .muted { color: var(--fg-3); }
.cursor { display: inline-block; width: 8px; height: 1em; background: var(--accent); vertical-align: -2px; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* report card */
.report-card {
  position: absolute;
  inset: auto 0 0 0;
  transform: translateY(52px);
  opacity: 0;
  pointer-events: none;
  transition: transform .6s cubic-bezier(.22,1,.36,1), opacity .4s .3s ease-out;
}
.report-card.show {
  transform: translateY(8px);
  opacity: 1;
  pointer-events: auto;
}
.terminal.shrunk { transform: translateY(-12px); opacity: 0.5; }

.rc-body { padding: 18px 20px 20px; }
.rc-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.rc-title { font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }
.rc-sub { font-size: 12px; color: var(--fg-2); margin-top: 2px; font-family: 'JetBrains Mono', monospace; }
.rc-score { display: flex; align-items: center; gap: 12px; }
.ring {
  --p: 78;
  width: 56px; height: 56px; border-radius: 50%;
  background: conic-gradient(var(--accent) calc(var(--p)*1%), var(--bg-3) 0);
  display: grid; place-items: center;
  position: relative;
}
.ring::before { content: ""; position: absolute; inset: 5px; border-radius: 50%; background: var(--bg-1); }
.ring-num { position: relative; font-weight: 700; font-size: 16px; }
.rc-grade { font-size: 13px; font-weight: 600; }
.rc-delta { font-size: 11px; color: var(--pass); margin-top: 2px; }

.rc-counts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-bottom: 14px; }
.rc-count {
  border: 1px solid var(--line); border-radius: 8px;
  padding: 8px 10px;
  background: var(--bg-2);
}
.rc-count b { display: block; font-size: 18px; font-weight: 700; letter-spacing: -0.02em; }
.rc-count span { font-size: 10.5px; color: var(--fg-2); }
.rc-count.err b { color: var(--err); }
.rc-count.warn b { color: var(--warn); }
.rc-count.info b { color: var(--info); }
.rc-count.pass b { color: var(--pass); }

.rc-bars { display: grid; gap: 7px; margin-bottom: 14px; }
.rc-row { display: grid; grid-template-columns: 90px 1fr; align-items: center; gap: 10px; font-size: 11.5px; color: var(--fg-1); }
.bar { height: 7px; border-radius: 4px; background: var(--bg-3); display: flex; overflow: hidden; }
.bar i { display: block; height: 100%; }
.b-err { background: var(--err); } .b-warn { background: var(--warn); } .b-info { background: var(--info); } .b-pass { background: var(--pass); opacity: .65; }

.rc-open {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--accent); text-decoration: none;
  font-size: 12.5px; font-weight: 600;
}
.rc-open:hover { text-decoration: underline; }

/* ───────── sections ───────── */
.section {
  max-width: 1200px; margin: 0 auto;
  padding: 90px 28px;
}
.section-head { margin-bottom: 44px; max-width: 760px; }
.eyebrow {
  display: inline-block;
  font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 14px;
}
.h2 {
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin: 0;
  font-weight: 700;
  text-wrap: balance;
}
.h2 em { color: var(--accent); }
.lede-sm { color: var(--fg-1); font-size: 15px; margin-top: 14px; max-width: 60ch; }

/* ───────── why ───────── */
.why-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

/* word highlights on hover - only the word itself */
.word-highlight {
  padding: 2px 6px;
  border-radius: 4px;
  transition: background .25s, color .25s, transform .25s, box-shadow .25s;
  cursor: default;
  display: inline-block;
  position: relative;
}
.wh-ux { white-space: nowrap; }
.wh-ux:hover { background: oklch(0.68 0.18 25 / 0.15); color: var(--err); }
.wh-slow:hover { background: oklch(0.78 0.14 75 / 0.15); color: var(--warn); }
.wh-silent:hover { background: oklch(0.72 0.11 230 / 0.15); color: var(--info); }
.wh-fiddly:hover { background: oklch(0.74 0.13 155 / 0.15); color: var(--pass); }
.wh-subtle:hover { background: oklch(0.72 0.16 295 / 0.15); color: var(--accent); }
.why-card {
  position: relative;
  padding: 28px 28px 26px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-1);
  transition: border-color .15s, transform .15s;
}
.why-card:hover { border-color: var(--line-2); transform: translateY(-2px); }
.why-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--accent);
  margin-bottom: 14px;
  font-weight: 600;
}
.why-card h3 {
  margin: 0 0 8px;
  font-size: 18px; font-weight: 600; letter-spacing: -0.01em;
}
.why-card p { margin: 0; color: var(--fg-1); font-size: 14px; }
.why-card code { background: var(--bg-2); border: 1px solid var(--line); padding: 1px 5px; border-radius: 4px; font-size: 12px; }

/* Impact card - most critical */
.why-card-impact {
  border-color: var(--err);
  background: linear-gradient(135deg, var(--bg-1) 0%, oklch(0.68 0.18 25 / 0.08) 100%);
  box-shadow: 0 0 0 1px var(--err), 0 4px 20px oklch(0.68 0.18 25 / 0.15);
}
.why-card-impact::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, oklch(0.68 0.18 25 / 0.05) 0%, transparent 50%);
  pointer-events: none;
}
.why-card-impact .why-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.why-card-impact .why-badge {
  display: inline-block;
  padding: 3px 10px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: white;
  background: var(--err);
  border-radius: 4px;
  animation: pulse-badge 2s ease-in-out infinite;
}
@keyframes pulse-badge {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}
.why-card-impact .why-num {
  color: var(--err);
  font-weight: 700;
  margin-bottom:0;
}

/* Smart card - intelligent approach */
.why-card-smart {
  border-color: var(--info);
  background: linear-gradient(135deg, var(--bg-1) 0%, oklch(0.72 0.11 230 / 0.08) 100%);
  box-shadow: 0 0 0 1px var(--info), 0 4px 20px oklch(0.72 0.11 230 / 0.15);
}
.why-card-smart::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, oklch(0.72 0.11 230 / 0.05) 0%, transparent 50%);
  pointer-events: none;
}
.why-card-smart .why-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.why-card-smart .why-badge-smart {
  display: inline-block;
  padding: 3px 10px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: white;
  background: var(--info);
  border-radius: 4px;
  animation: pulse-badge-smart 2s ease-in-out infinite;
}
@keyframes pulse-badge-smart {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}
.why-card-smart .why-num {
  color: var(--info);
  font-weight: 700;
  margin-bottom:0;
}

/* word highlights on card hover */
.why-card:first-child:hover .wh-ux { background: oklch(0.68 0.18 25 / 0.15); color: var(--err); }
.why-card:nth-child(2):hover .wh-slow { background: oklch(0.78 0.14 75 / 0.15); color: var(--warn); }
.why-card:nth-child(3):hover .wh-silent { background: oklch(0.72 0.11 230 / 0.15); color: var(--info); }
.why-card:nth-child(4):hover .wh-fiddly { background: oklch(0.74 0.13 155 / 0.15); color: var(--pass); }
.why-card:nth-child(5):hover .wh-subtle { background: oklch(0.72 0.16 295 / 0.15); color: var(--accent); }

/* ── word micro-animations on card hover ── */

/* card 1: UX → desync drift — words push together at boundary (r/e overlap) */
@keyframes drift-left {
  0%, 100% { transform: translateX(0) translateY(0); }
  35%       { transform: translateX(2px)  translateY(-1px); }
  65%       { transform: translateX(-1px) translateY(0.5px); }
}
@keyframes drift-right {
  0%, 100% { transform: translateX(0) translateY(0); }
  35%       { transform: translateX(-2px) translateY(1px); }
  65%       { transform: translateX(1px)  translateY(-0.5px); }
}
.why-card:first-child:hover .wh-ux > span { display: inline-block; }
.why-card:first-child:hover .wh-ux > span:first-child {
  animation: drift-left  1.9s ease-in-out infinite;
}
.why-card:first-child:hover .wh-ux > span:last-child {
  animation: drift-right 1.9s ease-in-out infinite;
  animation-delay: -0.35s;
}
.why-card:first-child:hover .wh-ux {
  box-shadow: 0 0 0 3px oklch(0.68 0.18 25 / 0.1);
}

/* card 2: slow → lethargic breathe */
@keyframes slow-breathe {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.06) translateY(-1px); }
}
.why-card:nth-child(2):hover .wh-slow {
  animation: slow-breathe 2.4s ease-in-out infinite;
  box-shadow: 0 0 0 3px oklch(0.78 0.14 75 / 0.12);
}

/* card 3: silently → periodic crash-glitch */
@keyframes glitch-periodic {
  0%,  32%, 68%, 100% { transform: translateX(0) skewX(0); }
  35%  { transform: translateX(-3px) skewX(-3deg); }
  40%  { transform: translateX(3px)  skewX(3deg); }
  45%  { transform: translateX(-2px) skewX(-1deg); }
  50%  { transform: translateX(2px); }
  55%  { transform: translateX(0); }
}
.why-card:nth-child(3):hover .wh-silent {
  animation: glitch-periodic 3s ease-in-out infinite;
  box-shadow: 0 0 0 3px oklch(0.72 0.11 230 / 0.12);
}

/* card 4: fiddly → jittery wobble */
@keyframes word-wobble {
  0%, 100% { transform: rotate(0deg) translateY(0); }
  20%       { transform: rotate(-4deg) translateY(-1px); }
  40%       { transform: rotate(4deg) translateY(1px); }
  60%       { transform: rotate(-3deg) translateY(0); }
  80%       { transform: rotate(2deg) translateY(-1px); }
}
.why-card:nth-child(4):hover .wh-fiddly {
  animation: word-wobble .7s ease-in-out infinite;
  box-shadow: 0 0 0 3px oklch(0.74 0.13 155 / 0.12);
}

/* card 5: subtle → shimmer glow pulse */
@keyframes word-shimmer {
  0%, 100% { filter: brightness(1)    drop-shadow(0 0 0px transparent); }
  50%       { filter: brightness(1.25) drop-shadow(0 0 6px oklch(0.72 0.16 295 / 0.5)); }
}
.why-card:nth-child(5):hover .wh-subtle {
  animation: word-shimmer 1.6s ease-in-out infinite;
  box-shadow: 0 0 0 3px oklch(0.72 0.16 295 / 0.1);
}

/* card 6: costly → price-spike pulse */
@keyframes word-costly {
  0%, 55%, 100% { transform: scale(1) translateY(0); }
  20%            { transform: scale(1.1) translateY(-2px); }
  35%            { transform: scale(1.08) translateY(-2px); }
  48%            { transform: scale(0.97) translateY(1px); }
}
.why-card:nth-child(6):hover .wh-costly {
  background: oklch(0.75 0.18 45 / 0.15);
  color: oklch(0.78 0.18 50);
  animation: word-costly 2.5s ease-in-out infinite;
  box-shadow: 0 0 0 3px oklch(0.75 0.18 45 / 0.12);
}


/* ───────── features ───────── */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.feat {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-1);
  padding: 22px 22px 24px;
  transition: border-color .15s, transform .15s;
}
.feat:hover { border-color: var(--accent-line); }
.feat-wide { grid-column: span 2; }
.feat-ico {
  width: 36px; height: 36px; border-radius: 9px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent);
  display: grid; place-items: center;
  margin-bottom: 14px;
}
.feat-ico svg { width: 18px; height: 18px; }
.feat h3 { margin: 0 0 6px; font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
.feat p { margin: 0; font-size: 13.5px; color: var(--fg-1); }
.feat code { background: var(--bg-2); border: 1px solid var(--line); padding: 1px 5px; border-radius: 4px; font-size: 12px; }
.tag {
  display: inline-block;
  padding: 1px 6px; border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px; font-weight: 600;
  margin: 0 2px;
}
.tag.exact { background: oklch(0.74 0.13 155 / 0.14); color: var(--pass); }
.tag.heur  { background: oklch(0.72 0.11 230 / 0.14); color: var(--info); }
.tag.approx{ background: oklch(0.78 0.14 75 / 0.14); color: var(--warn); }

/* ── Smart feature card (purple/accent palette) ── */
.feat-smart {
  border-color: var(--accent-line);
  background: linear-gradient(135deg, var(--bg-1) 0%, oklch(0.72 0.16 295 / 0.08) 100%);
  box-shadow: 0 0 0 1px var(--accent-line), 0 4px 20px oklch(0.72 0.16 295 / 0.12);
  position: relative;
}
.feat-smart::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, oklch(0.72 0.16 295 / 0.05) 0%, transparent 50%);
  pointer-events: none;
}
.feat-smart:hover { border-color: var(--accent); transform: translateY(-2px); }
.feat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.feat-badge-smart {
  display: inline-block;
  padding: 3px 10px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: white;
  background: var(--accent);
  border-radius: 4px;
  animation: pulse-badge-smart 2s ease-in-out infinite;
}
@keyframes pulse-badge-smart {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

/* ── CTA feature card ── */
.feat-cta {
  border: 2px dashed var(--accent-line);
  border-radius: 14px;
  background: var(--bg-1);
  padding: 22px 22px 24px;
  transition: border-color .15s, transform .15s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.feat-cta:hover { border-color: var(--accent); transform: translateY(-2px); }
.feat-cta-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.feat-cta .feat-ico {
  margin-bottom: 0;
}
.feat-cta h3 { margin: 0; font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
.feat-cta p { margin: 0; font-size: 13.5px; color: var(--fg-1); }
.feat-cta .btn-sm { height: 30px; padding: 0 12px; font-size: 12.5px; }

/* ───────── how ───────── */
.how {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.how li {
  border: 1px solid var(--line); border-radius: 14px;
  background: var(--bg-1);
  padding: 22px;
}
.how-num {
  width: 28px; height: 28px; border-radius: 8px;
  background: var(--accent); color: white;
  display: grid; place-items: center;
  font-weight: 700; font-size: 13px;
  margin-bottom: 14px;
}
.how h3 { margin: 0 0 12px; font-size: 16px; font-weight: 600; }

/* snippets */
.snippet {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 12px 14px;
  font-size: 12.5px;
  line-height: 1.6;
  margin: 0;
  overflow-x: auto;
  position: relative;
}
.snippet-lg { padding: 16px 18px; font-size: 13px; }
.snippet code { background: transparent; border: 0; padding: 0; }
.tok-c { color: var(--fg-3); font-style: italic; }
.tok-p { color: var(--accent); }
.tok-k { color: oklch(0.78 0.13 295); }
.tok-s { color: oklch(0.78 0.12 110); }
[data-theme="light"] .tok-k { color: oklch(0.42 0.18 295); }
[data-theme="light"] .tok-s { color: oklch(0.45 0.15 110); }

.copy-btn {
  position: absolute; top: 10px; right: 10px;
  display: inline-flex; align-items: center; gap: 4px;
  background: var(--bg-2); border: 1px solid var(--line);
  color: var(--fg-1); font: inherit; font-size: 11px;
  padding: 3px 9px; border-radius: 5px; cursor: pointer;
  opacity: 0; transition: opacity .12s;
}
.snippet:hover .copy-btn { opacity: 1; }
.copy-btn:hover { background: var(--bg-3); color: var(--fg); }
.copy-btn.copied { color: var(--pass); border-color: var(--pass); }

/* ───────── install ───────── */
.install-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.install-card {
  border: 1px solid var(--line); border-radius: 14px;
  background: var(--bg-1); padding: 24px;
}
.install-head { margin-bottom: 16px; }
.install-tag {
  display: inline-block;
  background: var(--accent-soft); color: var(--accent);
  border: 1px solid var(--accent-line);
  padding: 2px 9px; border-radius: 999px;
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase;
  margin-bottom: 10px;
}
.tag-alt { background: var(--bg-2); color: var(--fg-1); border-color: var(--line); }
.install-card h3 { margin: 0; font-size: 18px; font-weight: 600; }
.muted { color: var(--fg-2); font-size: 12.5px; margin: 12px 0 0; }
.muted code { background: var(--bg-2); border: 1px solid var(--line); padding: 1px 5px; border-radius: 4px; font-size: 11.5px; }

/* ───────── rules ───────── */
.rules-tabs {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-bottom: 16px;
}
.rules-tab {
  background: var(--bg-1); border: 1px solid var(--line);
  color: var(--fg-1); padding: 7px 13px;
  border-radius: 999px;
  font: inherit; font-size: 12.5px; font-weight: 500;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
  transition: background .12s, color .12s, border-color .12s;
}
.rules-tab:hover { color: var(--fg); border-color: var(--line-2); }
.rules-tab.on { background: var(--accent); color: white; border-color: transparent; box-shadow: 0 4px 14px -6px var(--accent); }
.rules-tab .ct {
  font-size: 11px;
  background: var(--bg-2); border: 1px solid var(--line);
  padding: 0 6px; border-radius: 999px;
  color: var(--fg-2);
}
.rules-tab.on .ct { background: rgba(255,255,255,.2); border-color: transparent; color: white; }

.rules-table-wrap {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-1);
  overflow: hidden;
}
.rules-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.rules-table th, .rules-table td {
  text-align: left; padding: 11px 14px;
  border-bottom: 1px solid var(--line);
}
.rules-table th {
  font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--fg-2);
  background: var(--bg-2);
}
.rules-table tr:last-child td { border-bottom: 0; }
.rules-table tr:hover td { background: var(--bg-2); }
.rule-id {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  background: var(--bg-2); border: 1px solid var(--line);
  padding: 1px 7px; border-radius: 5px;
  color: var(--fg);
  white-space: nowrap;
}
.rule-id-error   { color: var(--err);  background: oklch(0.68 0.18 25  / 0.08); border-color: oklch(0.68 0.18 25  / 0.28); }
.rule-id-warning { color: var(--warn); background: oklch(0.78 0.14 75  / 0.08); border-color: oklch(0.78 0.14 75  / 0.28); }
.rule-id-info    { color: var(--info); background: oklch(0.72 0.11 230 / 0.08); border-color: oklch(0.72 0.11 230 / 0.28); }

.rules-cta {
  text-align: center;
  margin-top: 32px;
  padding: 32px;
  border: 1px dashed var(--line-2);
  border-radius: 14px;
  background: var(--bg-1);
}
.rules-cta p { margin: 0 0 14px; color: var(--fg-1); font-size: 15px; }
.rules-btns { display: inline-flex; gap: 10px; }

.sev-pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 1px 8px; border-radius: 5px;
  font-size: 10.5px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.04em;
}
.sev-pill .d { width: 6px; height: 6px; border-radius: 50%; }
.sev-pill.error { background: oklch(0.68 0.18 25 / 0.14); color: var(--err); } .sev-pill.error .d { background: var(--err); }
.sev-pill.warning { background: oklch(0.78 0.14 75 / 0.14); color: var(--warn); } .sev-pill.warning .d { background: var(--warn); }
.sev-pill.info { background: oklch(0.72 0.11 230 / 0.14); color: var(--info); } .sev-pill.info .d { background: var(--info); }

/* ───────── CI ───────── */
.ci-grid {
  display: grid; grid-template-columns: 1.05fr 1fr;
  gap: 24px;
}
.ci-yaml .snippet { min-height: 100%; }
.ci-perks { display: grid; gap: 14px; }
.perk {
  display: grid; grid-template-columns: 36px 1fr; gap: 14px;
  padding: 16px;
  border: 1px solid var(--line); border-radius: 12px;
  background: var(--bg-1);
}
.perk-ico {
  width: 36px; height: 36px; border-radius: 9px;
  background: var(--accent-soft); color: var(--accent);
  border: 1px solid var(--accent-line);
  display: grid; place-items: center;
}
.perk-ico svg { width: 16px; height: 16px; }
.perk h4 { margin: 0 0 4px; font-size: 14px; font-weight: 600; }
.perk p { margin: 0; font-size: 13px; color: var(--fg-1); }
.badge-row { display: inline-flex; gap: 6px; vertical-align: -3px; margin-left: 6px; }
.shield {
  display: inline-flex; font-family: 'JetBrains Mono', monospace;
  font-size: 10px; font-weight: 600;
  border-radius: 4px; overflow: hidden; line-height: 1;
}
.shield .s-l { background: #555; color: white; padding: 4px 7px; }
.shield .s-r { background: var(--pass); color: white; padding: 4px 7px; }

/* ───────── roadmap ───────── */
.road {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  margin-bottom: 32px;
}
.road-col {
  border: 1px solid var(--line); border-radius: 14px;
  background: var(--bg-1); padding: 22px 24px;
}
.road-tag {
  display: inline-block;
  padding: 3px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase;
  margin-bottom: 14px;
}
.tag-now { background: oklch(0.74 0.13 155 / 0.14); color: var(--pass); border: 1px solid color-mix(in oklab, var(--pass) 30%, transparent); }
.tag-next { background: var(--accent-soft); color: var(--accent); border: 1px solid var(--accent-line); }
.road-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.road-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--fg-1); }
.road-list code { background: var(--bg-2); border: 1px solid var(--line); padding: 1px 5px; border-radius: 4px; font-size: 12px; }
.rl-dot { width: 8px; height: 8px; border-radius: 50%; margin-top: 7px; flex: none; }
.rl-dot.ok { background: var(--pass); }
.rl-dot.next { background: var(--accent); }

.road-cta {
  text-align: center;
  padding: 32px;
  border: 1px dashed var(--line-2);
  border-radius: 14px;
  background: var(--bg-1);
}
.road-cta p { margin: 0 0 14px; color: var(--fg-1); font-size: 15px; }
.road-btns { display: inline-flex; gap: 10px; }

/* ───────── faq ───────── */
.faq { display: grid; gap: 8px; }
.faq details {
  border: 1px solid var(--line); border-radius: 10px;
  background: var(--bg-1);
  padding: 14px 18px;
  transition: border-color .2s;
  overflow: hidden;
}
.faq details:hover { border-color: var(--line-2); }
.faq details[open] { border-color: var(--accent-line); }
.faq summary {
  cursor: pointer; list-style: none;
  font-weight: 500; font-size: 14.5px;
  display: flex; align-items: center;
  transition: color .15s;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; color: var(--fg-2);
  margin-left: auto;
  width: 14px; height: 14px;
  background: currentColor;
  transition: transform .3s cubic-bezier(.4,0,.2,1), background .15s;
  transform-origin: center;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Cpath d='M7 1v12M1 7h12' stroke='currentColor' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") center/contain no-repeat;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Cpath d='M7 1v12M1 7h12' stroke='currentColor' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") center/contain no-repeat;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq summary code { background: var(--bg-2); border: 1px solid var(--line); padding: 1px 5px; border-radius: 4px; font-size: 12px; }
.faq p {
  margin: 0; color: var(--fg-1); font-size: 14px;
  max-height: 0; overflow: hidden;
  transition: max-height .3s cubic-bezier(.4,0,.2,1), opacity .25s ease, margin .3s cubic-bezier(.4,0,.2,1);
  opacity: 0;
}
.faq details[open] p { margin: 10px 0 0; max-height: 400px; opacity: 1; }
.faq details[data-closing] p { max-height: 0 !important; opacity: 0 !important; margin: 0 !important; }
.faq p code, .faq p b { background: var(--bg-2); border: 1px solid var(--line); padding: 1px 5px; border-radius: 4px; font-size: 12.5px; font-family: 'JetBrains Mono', monospace; font-weight: 500; }

/* ───────── footer ───────── */
.footer {
  border-top: 1px solid var(--line);
  margin-top: 60px;
  padding: 56px 28px 30px;
  background: var(--bg-1);
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 1.2fr 2fr; gap: 40px;
}
.foot-brand p { color: var(--fg-2); font-size: 13px; max-width: 32ch; margin-top: 14px; }
.foot-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.foot-col h5 {
  margin: 0 0 12px; font-size: 11px; color: var(--fg-2);
  text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600;
}
.foot-col a {
  display: block;
  color: var(--fg-1); text-decoration: none;
  font-size: 13.5px;
  padding: 4px 0;
}
.foot-col a:hover { color: var(--accent); }
.foot-fine {
  max-width: 1200px; margin: 40px auto 0;
  padding-top: 24px; border-top: 1px solid var(--line);
  font-size: 12px; color: var(--fg-3);
  display: flex; gap: 10px; align-items: center;
}
.foot-fine .dot { width: auto; height: auto; background: none; border-radius: 0; color: var(--fg-3); }

/* ───────── focus-visible: keyboard navigation ───────── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}
.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px var(--accent-soft);
}

/* ───────── scroll reveal for sections ───────── */
.section { opacity: 0; transform: translateY(20px); transition: opacity .8s, transform .8s; }
.section.in { opacity: 1; transform: none; }

/* ───────── responsive ───────── */
@media (max-width: 980px) {
  .nav-links { display: none; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-stats { grid-template-columns: repeat(4, 1fr); }
  .why-grid, .feat-grid, .how, .install-grid, .ci-grid, .road, .footer-inner { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .feat-wide { grid-column: auto; }
  .foot-cols { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .section { padding: 64px 20px; }
  .hero { padding: 40px 20px 30px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .foot-cols { grid-template-columns: 1fr 1fr; }
}

/* ───────── density tweak ───────── */
[data-density="cozy"] .section { padding: 110px 28px; }
[data-density="cozy"] .why-card, [data-density="cozy"] .feat, [data-density="cozy"] .how li { padding: 32px; }
[data-density="compact"] .section { padding: 64px 28px; }
[data-density="compact"] .why-card, [data-density="compact"] .feat, [data-density="compact"] .how li { padding: 18px; }

/* ───────── motion preferences ───────── */
[data-anim="off"] *, [data-anim="off"] *::before, [data-anim="off"] *::after {
  animation: none !important;
  transition: none !important;
}
[data-anim="off"] .h1 .word, [data-anim="off"] .reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}