/* ───────── Tokens ───────── */
:root {
  --bg: #fafaf9;
  --bg-alt: #f3f3f1;
  --surface: #ffffff;
  --surface-2: #f7f7f5;
  --border: #e6e5e2;
  --border-strong: #d4d3cf;
  --text: #16161a;
  --text-2: #4a4a52;
  --muted: #7a7a82;
  --ink: #16161a;
  --ink-contrast: #ffffff;
  --focus: #5b5bf0;

  --aws: #ff9900;
  --aws-text: #b35c00;
  --azure: #0078d4;
  --azure-text: #005ba1;
  --gcp: #1e9e4a;
  --gcp-text: #137a37;

  --exact-bg: #e7f6ec; --exact-fg: #146c34;
  --close-bg: #e8effd; --close-fg: #1d4fbf;
  --partial-bg: #fdf1e2; --partial-fg: #9a4d00;

  --shadow-sm: 0 1px 2px rgba(16, 16, 20, .05);
  --shadow: 0 1px 2px rgba(16, 16, 20, .04), 0 8px 24px -8px rgba(16, 16, 20, .12);
  --shadow-lg: 0 2px 4px rgba(16, 16, 20, .04), 0 24px 60px -16px rgba(16, 16, 20, .22);

  --radius: 14px;
  --radius-sm: 9px;
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --serif: "Instrument Serif", ui-serif, Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Code", Consolas, monospace;
  color-scheme: light;
}

/* Dark palette (explicit toggle) */
:root[data-theme="dark"] {
  --bg: #0c0c0e; --bg-alt: #111114; --surface: #151518; --surface-2: #1b1b1f;
  --border: #26262b; --border-strong: #34343a;
  --text: #ededf0; --text-2: #b4b4bc; --muted: #85858f;
  --ink: #ededf0; --ink-contrast: #0c0c0e; --focus: #8b8bff;
  --aws-text: #ffb347; --azure-text: #5cb3ff; --gcp-text: #5fd38a;
  --exact-bg: rgba(52, 199, 105, .14); --exact-fg: #6ee39a;
  --close-bg: rgba(88, 140, 255, .16); --close-fg: #9dbbff;
  --partial-bg: rgba(255, 159, 64, .15); --partial-fg: #ffbd7a;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px -8px rgba(0,0,0,.6);
  --shadow-lg: 0 2px 4px rgba(0,0,0,.4), 0 24px 60px -16px rgba(0,0,0,.8);
  color-scheme: dark;
}
/* Dark palette (system preference, unless user forced light) */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0c0c0e; --bg-alt: #111114; --surface: #151518; --surface-2: #1b1b1f;
    --border: #26262b; --border-strong: #34343a;
    --text: #ededf0; --text-2: #b4b4bc; --muted: #85858f;
    --ink: #ededf0; --ink-contrast: #0c0c0e; --focus: #8b8bff;
    --aws-text: #ffb347; --azure-text: #5cb3ff; --gcp-text: #5fd38a;
    --exact-bg: rgba(52, 199, 105, .14); --exact-fg: #6ee39a;
    --close-bg: rgba(88, 140, 255, .16); --close-fg: #9dbbff;
    --partial-bg: rgba(255, 159, 64, .15); --partial-fg: #ffbd7a;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px -8px rgba(0,0,0,.6);
    --shadow-lg: 0 2px 4px rgba(0,0,0,.4), 0 24px 60px -16px rgba(0,0,0,.8);
    color-scheme: dark;
  }
}

/* ───────── Base ───────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.55 var(--font); font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
a { color: inherit; }
button { font: inherit; color: inherit; cursor: pointer; }
input, textarea { font: inherit; color: inherit; }
svg { flex-shrink: 0; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 6px; }
[hidden] { display: none !important; }

.container { width: 100%; max-width: 1180px; margin: 0 auto; padding-inline: max(20px, 4vw); }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--ink); color: var(--ink-contrast); padding: 8px 12px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }

.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 7px; vertical-align: 1px; }
.dot-aws { background: var(--aws); }
.dot-azure { background: var(--azure); }
.dot-gcp { background: var(--gcp); }

kbd {
  font: 500 12px var(--mono); padding: 2px 7px; border-radius: 6px;
  border: 1px solid var(--border-strong); border-bottom-width: 2px; color: var(--muted); background: var(--surface);
}

/* ───────── Header ───────── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(180%) blur(14px); -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}
.header-inner { display: flex; align-items: center; gap: 28px; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 650; letter-spacing: -.01em; font-size: 16px; }
.brand-mark { width: 28px; height: 28px; }
.brand-mark circle { mix-blend-mode: multiply; }
:root[data-theme="dark"] .brand-mark circle { mix-blend-mode: screen; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a { text-decoration: none; color: var(--text-2); font-size: 14px; font-weight: 500; padding: 7px 12px; border-radius: 8px; transition: color .15s, background .15s; }
.nav a:hover { color: var(--text); background: var(--surface-2); }
.icon-btn {
  display: grid; place-items: center; width: 36px; height: 36px; border-radius: 9px;
  border: 1px solid var(--border); background: var(--surface); transition: border-color .15s;
}
.icon-btn:hover { border-color: var(--border-strong); }
.icon-btn svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.i-moon { display: none; }
:root[data-theme="dark"] .i-sun { display: none; }
:root[data-theme="dark"] .i-moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .i-sun { display: none; }
  :root:not([data-theme="light"]) .i-moon { display: block; }
  :root:not([data-theme="light"]) .brand-mark circle { mix-blend-mode: screen; }
}

/* ───────── Hero ───────── */
.hero { position: relative; overflow: hidden; padding-block: clamp(56px, 10vw, 112px) 64px; }
.hero-bg {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(40% 50% at 18% 12%, color-mix(in srgb, var(--aws) 16%, transparent), transparent 70%),
    radial-gradient(38% 46% at 82% 8%, color-mix(in srgb, var(--azure) 16%, transparent), transparent 70%),
    radial-gradient(40% 50% at 50% 0%, color-mix(in srgb, var(--gcp) 12%, transparent), transparent 70%);
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(70% 60% at 50% 0%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 0%, #000 20%, transparent 75%);
  opacity: .55;
}
.hero-inner { position: relative; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 2px; margin: 0 0 22px;
  font-size: 13px; font-weight: 500; color: var(--text-2);
  padding: 6px 14px; border-radius: 999px; border: 1px solid var(--border); background: color-mix(in srgb, var(--surface) 80%, transparent);
}
.eyebrow .sep { margin: 0 8px; color: var(--muted); }
h1 {
  margin: 0; font-size: clamp(42px, 7.4vw, 84px); line-height: 1; letter-spacing: -.045em; font-weight: 700;
}
h1 em {
  font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: -.02em; padding-right: .04em;
  background: linear-gradient(100deg, var(--aws) 5%, var(--azure) 50%, var(--gcp) 95%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lede { max-width: 580px; margin: 22px auto 40px; font-size: clamp(16px, 1.8vw, 18.5px); color: var(--text-2); }

/* ───────── Translator ───────── */
.translator { max-width: 720px; margin: 0 auto; }
.source-switch {
  display: inline-flex; flex-wrap: wrap; justify-content: center; gap: 2px; padding: 4px; margin-bottom: 14px;
  border-radius: 12px; background: var(--surface-2); border: 1px solid var(--border);
}
.source-switch button {
  display: inline-flex; align-items: center; border: 0; background: transparent; padding: 7px 14px; border-radius: 9px;
  font-size: 13.5px; font-weight: 500; color: var(--text-2); transition: background .15s, color .15s, box-shadow .15s;
}
.source-switch button:hover { color: var(--text); }
.source-switch button[aria-checked="true"] { background: var(--surface); color: var(--text); box-shadow: var(--shadow-sm), 0 0 0 1px var(--border); }
.source-switch.compact { margin: 0; }
.source-switch.compact button { padding: 6px 11px; font-size: 13px; }

.searchbox { position: relative; }
.searchbox input {
  width: 100%; height: 64px; padding: 0 56px 0 54px; border-radius: 16px;
  border: 1px solid var(--border-strong); background: var(--surface); box-shadow: var(--shadow-lg);
  font-size: 18px; outline: none; transition: border-color .15s, box-shadow .15s;
}
.searchbox input::placeholder { color: var(--muted); }
.searchbox input:focus { border-color: var(--focus); box-shadow: var(--shadow-lg), 0 0 0 4px color-mix(in srgb, var(--focus) 18%, transparent); }
.search-ico { position: absolute; left: 20px; top: 50%; transform: translateY(-50%); width: 20px; height: 20px; fill: none; stroke: var(--muted); stroke-width: 2; stroke-linecap: round; pointer-events: none; }
.kbd-hint { position: absolute; right: 18px; top: 50%; transform: translateY(-50%); }
.searchbox.small input { height: 44px; font-size: 14.5px; padding: 0 14px 0 42px; border-radius: 11px; box-shadow: var(--shadow-sm); }
.searchbox.small .search-ico { left: 14px; width: 17px; height: 17px; }

.suggestions {
  position: absolute; z-index: 20; top: calc(100% + 8px); left: 0; right: 0; margin: 0; padding: 6px; list-style: none; text-align: left;
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow-lg);
  max-height: min(420px, 60vh); overflow-y: auto;
}
.suggestions li {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 9px; cursor: pointer;
}
.suggestions li[aria-selected="true"] { background: var(--surface-2); }
.sugg-main { min-width: 0; flex: 1; }
.sugg-name { font-weight: 550; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sugg-name mark { background: color-mix(in srgb, var(--focus) 20%, transparent); color: inherit; border-radius: 3px; padding: 0 1px; }
.sugg-meta { font-size: 12.5px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sugg-arrow { color: var(--muted); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 40%; }
@media (max-width: 600px) { .sugg-arrow { display: none; } }
.suggestions .sugg-empty { color: var(--muted); cursor: default; justify-content: center; padding: 18px; }

.cloud-tag {
  display: inline-flex; align-items: center; flex-shrink: 0; font-size: 11px; font-weight: 650; letter-spacing: .02em;
  padding: 3px 8px; border-radius: 6px; background: var(--surface-2); border: 1px solid var(--border); color: var(--text-2);
}
.cloud-tag .dot { width: 7px; height: 7px; margin-right: 5px; vertical-align: 0; }

.popular { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px; margin-top: 20px; font-size: 13px; color: var(--muted); }
.popular button {
  border: 1px solid var(--border); background: var(--surface); padding: 5px 12px; border-radius: 999px; font-size: 13px; color: var(--text-2);
  transition: border-color .15s, color .15s, transform .15s;
}
.popular button:hover { border-color: var(--border-strong); color: var(--text); transform: translateY(-1px); }

/* ───────── Result card ───────── */
.result { max-width: 1040px; margin: 40px auto 0; text-align: left; animation: rise .35s cubic-bezier(.2, .8, .2, 1); }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.result-card { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; box-shadow: var(--shadow-lg); overflow: hidden; }
.result-head { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 12px 20px; padding: 22px 26px 18px; border-bottom: 1px solid var(--border); }
.result-title { flex: 1; min-width: 220px; }
.result-title .crumb { font-size: 12.5px; color: var(--muted); font-weight: 500; text-transform: uppercase; letter-spacing: .06em; }
.result-title h2 { margin: 4px 0 0; font-size: 24px; letter-spacing: -.02em; line-height: 1.2; }
.result-actions { display: flex; gap: 8px; align-items: center; }
.result-cols { display: grid; grid-template-columns: repeat(3, 1fr); }
.col { padding: 22px 26px 24px; border-right: 1px solid var(--border); position: relative; }
.col:last-child { border-right: 0; }
.col::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--c); opacity: .9; }
.col.is-source { background: color-mix(in srgb, var(--c) 5%, var(--surface)); }
.col-aws { --c: var(--aws); --ct: var(--aws-text); }
.col-azure { --c: var(--azure); --ct: var(--azure-text); }
.col-gcp { --c: var(--gcp); --ct: var(--gcp-text); }
.col-label { display: flex; align-items: center; justify-content: space-between; font-size: 12.5px; font-weight: 650; color: var(--ct); text-transform: uppercase; letter-spacing: .07em; margin-bottom: 14px; }
.col-label small { font-weight: 500; text-transform: none; letter-spacing: 0; color: var(--muted); font-size: 12px; }
.svc { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 9px 0; border-top: 1px dashed var(--border); }
.svc:first-of-type { border-top: 0; padding-top: 0; }
.svc-name { font-weight: 600; font-size: 16.5px; letter-spacing: -.01em; line-height: 1.3; }
.svc-tools { display: flex; gap: 2px; opacity: .55; transition: opacity .15s; }
.svc:hover .svc-tools, .svc:focus-within .svc-tools { opacity: 1; }
.tool {
  display: grid; place-items: center; width: 28px; height: 28px; border-radius: 7px; border: 0; background: transparent; color: var(--muted); text-decoration: none;
}
.tool:hover { background: var(--surface-2); color: var(--text); }
.tool svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.none { color: var(--muted); font-size: 14.5px; line-height: 1.5; }
.none strong { display: block; color: var(--text-2); font-weight: 600; font-size: 15px; margin-bottom: 2px; }
.result-note { display: flex; gap: 14px; padding: 18px 26px; border-top: 1px solid var(--border); background: var(--surface-2); }
.result-note svg { width: 18px; height: 18px; margin-top: 2px; fill: none; stroke: var(--text-2); stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.result-note h3 { margin: 0 0 2px; font-size: 13px; font-weight: 650; text-transform: uppercase; letter-spacing: .06em; color: var(--text-2); }
.result-note p { margin: 0; color: var(--text-2); }
.related { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; padding: 14px 26px 18px; border-top: 1px solid var(--border); font-size: 13px; color: var(--muted); }
.related button { border: 1px solid var(--border); background: transparent; padding: 3px 10px; border-radius: 999px; font-size: 12.5px; color: var(--text-2); }
.related button:hover { border-color: var(--border-strong); color: var(--text); }

.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 650; padding: 4px 10px; border-radius: 999px; white-space: nowrap; }
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.m-exact { background: var(--exact-bg); color: var(--exact-fg); }
.m-close { background: var(--close-bg); color: var(--close-fg); }
.m-partial { background: var(--partial-bg); color: var(--partial-fg); }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 7px; height: 34px; padding: 0 12px; border-radius: 9px;
  border: 1px solid var(--border); background: var(--surface); font-size: 13px; font-weight: 550; color: var(--text-2); transition: border-color .15s, color .15s;
}
.btn-ghost:hover:not(:disabled) { border-color: var(--border-strong); color: var(--text); }
.btn-ghost:disabled { opacity: .45; cursor: not-allowed; }
.btn-ghost svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }

/* ───────── Stats ───────── */
.stats { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 44px; margin: 56px 0 0; }
.stats div { display: flex; flex-direction: column-reverse; text-align: center; }
.stats dt { font-size: 13px; color: var(--muted); }
.stats dd { margin: 0; font-size: 28px; font-weight: 700; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }

/* ───────── Sections ───────── */
.section { padding-block: clamp(64px, 9vw, 104px); border-top: 1px solid var(--border); }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 680px; margin-bottom: 36px; }
.kicker { margin: 0 0 10px; font: 500 12.5px var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
h2 { margin: 0; font-size: clamp(28px, 3.6vw, 40px); line-height: 1.1; letter-spacing: -.035em; font-weight: 700; }
.section-sub { margin: 14px 0 0; color: var(--text-2); font-size: 16.5px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.label { font-size: 13px; font-weight: 600; color: var(--text-2); }
.link-btn { border: 0; background: none; padding: 0; font-size: 13px; font-weight: 550; color: var(--focus); }
.link-btn:hover { text-decoration: underline; }
.empty { color: var(--muted); text-align: center; padding: 40px 16px; margin: 0; }

/* ───────── Stack translator ───────── */
.stack-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 20px; align-items: start; }
.stack-input, .stack-output { padding: 18px; }
.stack-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; min-height: 34px; }
.stack-input textarea {
  width: 100%; resize: vertical; min-height: 200px; padding: 14px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--surface-2); font: 14px/1.7 var(--mono); outline: none; transition: border-color .15s, box-shadow .15s;
}
.stack-input textarea:focus { border-color: var(--focus); box-shadow: 0 0 0 4px color-mix(in srgb, var(--focus) 15%, transparent); }
.stack-target { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; margin-top: 14px; }
.stack-results { overflow-x: auto; }
.stack-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.stack-table th { text-align: left; font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; padding: 8px 10px; border-bottom: 1px solid var(--border); }
.stack-table td { padding: 11px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
.stack-table tr:last-child td { border-bottom: 0; }
.stack-table .in { font-family: var(--mono); font-size: 13px; color: var(--text-2); }
.stack-table .from { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.stack-table .to { font-weight: 600; }
.stack-table .to .gap { font-weight: 500; color: var(--partial-fg); }
.stack-table .unknown td { color: var(--muted); }
.row-link { border: 0; background: none; padding: 0; text-align: left; font: inherit; color: inherit; cursor: pointer; }
.row-link:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ───────── Catalog ───────── */
.catalog-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; margin-bottom: 14px; }
.catalog-controls .searchbox { flex: 1; min-width: 220px; max-width: 420px; }
.toggle { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 500; color: var(--text-2); cursor: pointer; user-select: none; }
.toggle input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.toggle-track { position: relative; width: 36px; height: 21px; border-radius: 999px; background: var(--border-strong); transition: background .2s; }
.toggle-track::after { content: ""; position: absolute; top: 2.5px; left: 2.5px; width: 16px; height: 16px; border-radius: 50%; background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,.25); transition: transform .2s; }
.toggle input:checked + .toggle-track { background: var(--ink); }
.toggle input:checked + .toggle-track::after { transform: translateX(15px); background: var(--ink-contrast); }
.toggle input:focus-visible + .toggle-track { outline: 2px solid var(--focus); outline-offset: 2px; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
.chips button {
  border: 1px solid var(--border); background: var(--surface); padding: 6px 12px; border-radius: 999px; font-size: 13px; font-weight: 500; color: var(--text-2);
  transition: all .15s;
}
.chips button:hover { border-color: var(--border-strong); color: var(--text); }
.chips button[aria-selected="true"] { background: var(--ink); border-color: var(--ink); color: var(--ink-contrast); }
.chips .n { opacity: .6; margin-left: 4px; font-variant-numeric: tabular-nums; }

.table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.catalog-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.catalog-table thead th {
  position: sticky; top: 62px; z-index: 2; background: var(--surface-2); text-align: left;
  font-size: 12px; font-weight: 650; text-transform: uppercase; letter-spacing: .06em; color: var(--text-2);
  padding: 12px 16px; border-bottom: 1px solid var(--border);
}
.catalog-table td { padding: 13px 16px; border-bottom: 1px solid var(--border); vertical-align: top; }
.catalog-table tbody tr { cursor: pointer; transition: background .12s; }
.catalog-table tbody tr:hover { background: var(--surface-2); }
.catalog-table tbody tr.group td {
  cursor: default; background: var(--bg-alt); font: 600 12px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); padding: 10px 16px;
}
.catalog-table tbody tr.group:hover { background: var(--bg-alt); }
.cap { font-weight: 600; }
.cap-cat { display: block; font-size: 12px; font-weight: 500; color: var(--muted); margin-top: 2px; }
.cell-list { margin: 0; padding: 0; list-style: none; }
.cell-list li + li { margin-top: 3px; }
.cell-none { color: var(--muted); font-style: italic; font-size: 13px; }

/* ───────── About ───────── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.legend { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.legend li { display: flex; gap: 16px; align-items: flex-start; padding: 18px 20px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.legend .badge { min-width: 78px; justify-content: center; margin-top: 1px; }
.legend p { margin: 0; color: var(--text-2); }

/* ───────── Footer & toast ───────── */
.site-footer { border-top: 1px solid var(--border); padding-block: 32px 40px; font-size: 13.5px; color: var(--text-2); }
.footer-inner p { margin: 0 0 6px; }
.muted { color: var(--muted); }
.toast {
  position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom, 0px)); transform: translate(-50%, 20px);
  background: var(--ink); color: var(--ink-contrast); padding: 10px 16px; border-radius: 10px; font-size: 14px; font-weight: 500;
  box-shadow: var(--shadow-lg); opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; z-index: 100;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ───────── Nav state & buttons ───────── */
.nav a[aria-current="page"] { color: var(--text); background: var(--surface-2); }
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 40px; padding: 0 18px; border-radius: 10px;
  border: 1px solid var(--ink); background: var(--ink); color: var(--ink-contrast); font-size: 14px; font-weight: 600; text-decoration: none;
  transition: opacity .15s, transform .15s;
}
.btn-primary:hover { opacity: .88; }
.btn-primary kbd { background: transparent; color: inherit; border-color: color-mix(in srgb, var(--ink-contrast) 35%, transparent); opacity: .75; font-size: 11px; padding: 1px 5px; }
a.btn-ghost { text-decoration: none; }

/* ───────── Result card extras ───────── */
.result-name { margin: 4px 0 0; font-size: 24px; font-weight: 700; letter-spacing: -.02em; line-height: 1.2; }
.result-note h2 { margin: 0 0 2px; font-size: 13px; font-weight: 650; text-transform: uppercase; letter-spacing: .06em; color: var(--text-2); line-height: 1.5; }
h2.col-label { line-height: 1.5; }
.result-foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 20px; padding: 14px 26px; border-top: 1px solid var(--border); font-size: 13.5px; }
.result-foot a { color: var(--text-2); text-decoration: none; font-weight: 550; }
.result-foot a:first-child { color: var(--focus); }
.result-foot a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ───────── Content pages ───────── */
.page { padding-block: 28px 80px; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--muted); margin-bottom: 28px; }
.crumbs a { color: var(--text-2); text-decoration: none; }
.crumbs a:hover { color: var(--text); text-decoration: underline; }
.page-head { max-width: 820px; margin-bottom: 32px; }
.page-title { font-size: clamp(30px, 4.6vw, 50px); line-height: 1.08; letter-spacing: -.04em; }
.page-lede { margin: 14px 0 0; font-size: 17px; color: var(--text-2); max-width: 680px; }
.page .result-card { margin-bottom: 48px; }

.qa { max-width: 860px; margin-bottom: 48px; }
.qa h2, .related-block h2 { font-size: 22px; letter-spacing: -.02em; margin-bottom: 16px; }
.qa dl { margin: 0; display: grid; gap: 10px; }
.qa dl > div { padding: 16px 20px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); }
.qa dt { font-weight: 650; margin-bottom: 4px; }
.qa dd { margin: 0; color: var(--text-2); }

.related-block { margin-bottom: 48px; }
.link-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; }
.link-grid a {
  display: flex; flex-direction: column; gap: 3px; padding: 14px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface); text-decoration: none; transition: border-color .15s, transform .15s;
}
.link-grid a:hover { border-color: var(--border-strong); transform: translateY(-1px); }
.link-grid span { font-weight: 600; }
.link-grid small { color: var(--muted); font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.page-cta {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; padding: 28px;
  border-radius: 18px; border: 1px solid var(--border); background: var(--surface-2);
}
.page-cta h2 { font-size: 22px; letter-spacing: -.02em; }
.page-cta p { margin: 6px 0 0; color: var(--text-2); }
.page-cta-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.page-cta .btn-ghost { height: 40px; }

.chips.static a {
  display: inline-flex; align-items: center; border: 1px solid var(--border); background: var(--surface); padding: 6px 12px; border-radius: 999px;
  font-size: 13px; font-weight: 500; color: var(--text-2); text-decoration: none;
}
.chips.static a:hover { border-color: var(--border-strong); color: var(--text); }

a.cap { color: inherit; text-decoration: none; }
a.cap:hover { text-decoration: underline; text-underline-offset: 3px; }
.catalog-table.static tbody tr { cursor: default; }
.catalog-table tbody tr.group a { color: inherit; text-decoration: none; }
.catalog-table tbody tr.group a:hover { color: var(--text); }

.index-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.index-card { padding: 20px 22px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.index-card h2 { font-size: 18px; letter-spacing: -.015em; display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 10px; }
.index-card h2 a { text-decoration: none; }
.index-card h2 a:hover { text-decoration: underline; }
.index-card .n { font: 500 12px var(--mono); color: var(--muted); }
.index-card ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.index-card li a { display: block; padding: 4px 0; color: var(--text-2); text-decoration: none; font-size: 14px; }
.index-card li a:hover { color: var(--text); text-decoration: underline; text-underline-offset: 3px; }

/* ───────── Prose pages (about, privacy) ───────── */
.prose { max-width: 780px; }
.prose > h2 { font-size: 22px; letter-spacing: -.02em; margin: 40px 0 10px; }
.prose > p, .prose > ul:not(.legend) { color: var(--text-2); font-size: 16px; line-height: 1.7; }
.prose > p { margin: 0 0 14px; }
.prose > ul:not(.legend) { padding-left: 20px; }
.prose > ul:not(.legend) li { margin-bottom: 6px; }
.prose strong { color: var(--text); }
.prose a { color: var(--focus); }
.prose .legend { margin: 16px 0; }
.prose .page-cta { margin-top: 48px; }

/* ───────── Feature cards (home) ───────── */
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.feature-card {
  display: flex; flex-direction: column; border-radius: 18px; border: 1px solid var(--border); overflow: hidden;
  background: var(--surface); text-decoration: none; color: inherit; box-shadow: var(--shadow-sm); transition: transform .25s, box-shadow .25s, border-color .25s;
}
.feature-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--border-strong); }
.feature-body { display: flex; flex-direction: column; gap: 8px; padding: 20px 22px 22px; flex: 1; }
.feature-card h3 { margin: 0; font-size: 18px; letter-spacing: -.015em; }
.feature-card p { margin: 0; color: var(--text-2); flex: 1; font-size: 14.5px; }
.feature-go { margin-top: 6px; font-size: 14px; font-weight: 600; color: var(--text); }
.feature-go span { display: inline-block; transition: transform .2s; }
.feature-card:hover .feature-go span { transform: translateX(4px); }

/* Mini previews inside feature cards */
.feature-visual {
  position: relative; height: 196px; display: grid; place-items: center; padding: 18px; border-bottom: 1px solid var(--border); overflow: hidden;
  background:
    radial-gradient(60% 80% at 20% 0%, color-mix(in srgb, var(--aws) 10%, transparent), transparent 70%),
    radial-gradient(60% 80% at 90% 10%, color-mix(in srgb, var(--azure) 10%, transparent), transparent 70%),
    var(--surface-2);
}
.feature-visual > div { width: 100%; max-width: 250px; transition: transform .35s cubic-bezier(.2, .8, .2, 1); }
.feature-card:hover .feature-visual > div { transform: translateY(-3px) scale(1.02); }
.fv-quiz { display: grid; gap: 6px; }
.fv-q { margin: 0 0 2px; font-size: 12.5px; color: var(--text-2); }
.fv-q b { color: var(--text); }
.fv-opt { display: flex; justify-content: space-between; padding: 6px 10px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); font-size: 12px; font-weight: 550; color: var(--text-2); }
.fv-opt.ok { border-color: var(--exact-fg); background: var(--exact-bg); color: var(--exact-fg); }
.fv-opt i { font-style: normal; }
.fv-dots { display: flex; gap: 5px; margin-top: 4px; }
.fv-dots span { width: 8px; height: 8px; border-radius: 50%; border: 1.5px solid var(--border-strong); }
.fv-dots .ok { background: var(--exact-fg); border-color: var(--exact-fg); }
.fv-dots .no { background: #e5484d; border-color: #e5484d; }
.fv-dots .cur { border-color: var(--text); }
.fv-compare { display: grid; gap: 7px; justify-items: start; }
.fv-compare span { display: flex; align-items: center; width: 100%; padding: 8px 11px; border-radius: 9px; border: 1px solid var(--border); background: var(--surface); font-size: 12.5px; font-weight: 600; box-shadow: var(--shadow-sm); }
.fv-compare span:nth-child(2) { margin-left: 12px; width: calc(100% - 12px); }
.fv-compare span:nth-child(3) { margin-left: 24px; width: calc(100% - 24px); }
.fv-compare i.dot { width: 7px; height: 7px; margin-right: 8px; }
.fv-compare .badge { font-style: normal; font-size: 10.5px; padding: 3px 8px; margin-top: 2px; }
.fv-sheet { position: relative; display: grid; gap: 5px; padding: 12px; border-radius: 10px; background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-sm); transform: rotate(-2deg); }
.feature-card:hover .fv-sheet { transform: rotate(0) translateY(-3px); }
.fv-row { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1fr; gap: 6px; }
.fv-row i { height: 7px; border-radius: 4px; background: var(--border); }
.fv-head i { height: 8px; background: var(--border-strong); }
.fv-head i.a { background: var(--aws); } .fv-head i.z { background: var(--azure); } .fv-head i.g { background: var(--gcp); }
.fv-pdf { position: absolute; right: -10px; bottom: -10px; font: 700 10px var(--mono); padding: 4px 7px; border-radius: 6px; background: var(--ink); color: var(--ink-contrast); }

/* ───────── Footer ───────── */
.site-footer { padding-block: 56px 28px; background: var(--bg-alt); }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 40px; padding-bottom: 36px; }
.footer-brand .brand { font-size: 17px; }
.footer-brand p { margin: 12px 0 16px; color: var(--muted); max-width: 290px; line-height: 1.6; }
.footer-cta { display: inline-flex; align-items: center; gap: 6px; height: 36px; padding: 0 14px; border-radius: 9px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font-size: 13.5px; font-weight: 600; text-decoration: none; transition: border-color .15s; }
.footer-cta:hover { border-color: var(--border-strong); }
.footer-cta span { transition: transform .2s; }
.footer-cta:hover span { transform: translateX(3px); }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h2 { font: 600 12px var(--mono); line-height: 1.5; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 4px; }
.footer-col a { color: var(--text-2); text-decoration: none; font-size: 14px; width: fit-content; transition: color .15s; }
.footer-col a:hover { color: var(--text); }
.footer-legal { padding-top: 22px; border-top: 1px solid var(--border); }
.footer-legal p { margin: 0; font-size: 12.5px; line-height: 1.6; max-width: 820px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 14px; font-size: 13px; color: var(--muted); }
.to-top { color: var(--text-2); text-decoration: none; }
.to-top:hover { color: var(--text); }

/* ───────── Quiz ───────── */
.hero-compact { padding-block: clamp(40px, 7vw, 72px) 56px; }
.hero-compact .lede { margin-bottom: 28px; }
.hero-404 { min-height: 70vh; display: grid; place-items: center; }
.quiz-settings { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 12px 22px; margin-bottom: 24px; }
.quiz-setting { display: flex; align-items: center; gap: 10px; }
.select {
  height: 36px; padding: 0 32px 0 12px; border-radius: 9px; border: 1px solid var(--border); background: var(--surface); font-size: 13.5px; color: var(--text);
  appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 16px) 15px, calc(100% - 11px) 15px; background-size: 5px 5px; background-repeat: no-repeat;
}
.quiz-card {
  max-width: 720px; margin: 0 auto; padding: 28px; text-align: left; background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; box-shadow: var(--shadow-lg); min-height: 360px;
}
.quiz-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 13px; font-weight: 600; color: var(--muted); margin-bottom: 26px; }
.quiz-dots { display: flex; gap: 6px; }
.quiz-dots span { width: 10px; height: 10px; border-radius: 50%; background: var(--surface-2); border: 1.5px solid var(--border-strong); transition: background .25s, border-color .25s, transform .25s; }
.quiz-dots span.cur { border-color: var(--text); transform: scale(1.15); }
.quiz-dots span.ok { background: var(--exact-fg); border-color: var(--exact-fg); }
.quiz-dots span.no { background: #e5484d; border-color: #e5484d; }
.quiz-summary .quiz-dots { justify-content: center; margin: 14px 0 4px; }
.btn-primary.auto { position: relative; overflow: hidden; }
.btn-primary.auto::after { content: ""; position: absolute; left: 0; bottom: 0; height: 3px; width: 100%; background: currentColor; opacity: .45; transform-origin: left; animation: autobar 1.4s linear forwards; }
@keyframes autobar { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.quiz-q { margin: 0; color: var(--text-2); font-size: 16px; }
.t-aws { color: var(--aws-text); } .t-azure { color: var(--azure-text); } .t-gcp { color: var(--gcp-text); }
.quiz-prompt { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 8px 0 24px; font-size: clamp(22px, 3.4vw, 30px); font-weight: 700; letter-spacing: -.025em; line-height: 1.2; }
.quiz-prompt .cloud-tag { font-size: 12px; }
.quiz-mark { color: var(--muted); font-weight: 500; margin-left: 2px; }
.quiz-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.quiz-opt {
  display: flex; align-items: center; gap: 12px; text-align: left; padding: 14px 16px; border-radius: 12px; border: 1px solid var(--border);
  background: var(--surface); font-size: 15px; font-weight: 550; transition: border-color .15s, background .15s, transform .15s;
}
.quiz-opt:hover:not(:disabled) { border-color: var(--border-strong); background: var(--surface-2); transform: translateY(-1px); }
.quiz-opt:disabled { cursor: default; }
.quiz-opt kbd { flex-shrink: 0; }
.quiz-opt.is-right { border-color: var(--exact-fg); background: var(--exact-bg); color: var(--exact-fg); }
.quiz-opt.is-wrong { border-color: #d9534f; background: color-mix(in srgb, #d9534f 12%, var(--surface)); color: #c0392b; }
:root[data-theme="dark"] .quiz-opt.is-wrong { color: #ff8a80; }
.quiz-opt.is-right kbd, .quiz-opt.is-wrong kbd { border-color: currentColor; color: inherit; background: transparent; }
.quiz-feedback { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--border); animation: rise .25s ease-out; }
.quiz-verdict { margin: 0 0 6px; font-weight: 650; font-size: 16px; }
.quiz-verdict.ok { color: var(--exact-fg); }
.quiz-verdict.no { color: var(--text); }
.quiz-note { margin: 0; color: var(--text-2); font-size: 14.5px; }
.quiz-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-top: 16px; }
.quiz-actions.center { justify-content: center; margin-top: 24px; }
.quiz-summary { text-align: center; padding-block: 12px; }
.quiz-big { margin: 4px 0; font-size: 76px; font-weight: 700; letter-spacing: -.05em; line-height: 1; }
.quiz-big span { font-size: 32px; color: var(--muted); }
.quiz-msg { margin: 8px 0 0; font-size: 17px; color: var(--text-2); }
.quiz-review { text-align: left; margin-top: 24px; padding: 18px 20px; border-radius: 12px; background: var(--surface-2); }
.quiz-review h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: 8px; }
.quiz-review ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.quiz-review a { text-decoration: none; color: var(--text-2); }
.quiz-review a:hover strong { text-decoration: underline; }
.quiz-review .arrow { color: var(--muted); margin: 0 4px; }
.quiz-review strong { color: var(--text); }
.quiz-stats { margin-top: 36px; }

/* ───────── Cheat sheet ───────── */
.cheat-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 20px; max-width: none; }
.cheat-wrap { overflow-x: auto; border-radius: var(--radius); }
.cheat { width: 100%; min-width: 640px; border-collapse: collapse; font-size: 13.5px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.cheat th, .cheat td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
.cheat thead th { background: var(--surface-2); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-2); }
.cheat tr.group th { background: var(--bg-alt); font: 600 12px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); padding-top: 14px; }
.cheat td:first-child { font-weight: 600; width: 22%; }
.print-only { display: none; }

@media print {
  :root { --bg: #fff; --surface: #fff; --surface-2: #f3f3f3; --bg-alt: #f3f3f3; --text: #000; --text-2: #222; --muted: #555; --border: #ccc; color-scheme: light; }
  .site-header, .site-footer, .no-print, .crumbs, .skip, .toast { display: none !important; }
  body { font-size: 10px; background: #fff; }
  .page { padding: 0; }
  .page-title { font-size: 20px; }
  .page-lede { font-size: 11px; margin-top: 4px; }
  .page-head { margin-bottom: 10px; }
  .cheat { font-size: 9px; border: 0; min-width: 0; }
  .cheat-wrap { overflow: visible; }
  .cheat th, .cheat td { padding: 3px 6px; }
  .cheat tbody { break-inside: avoid; }
  .print-only { display: block; margin-top: 8px; font-size: 9px; color: #555; }
  .dot { print-color-adjust: exact; -webkit-print-color-adjust: exact; }
}

/* ───────── Motion (subtle) ───────── */
/* Cross-page fade; the header stays put. */
@view-transition { navigation: auto; }
::view-transition-old(root), ::view-transition-new(root) { animation-duration: .22s; }
.site-header { view-transition-name: site-header; }

/* Scroll reveal (classes added by site.js only when motion is allowed). */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s cubic-bezier(.2, .8, .2, 1), transform .6s cubic-bezier(.2, .8, .2, 1); transition-delay: var(--d, 0ms); }
.js .reveal.in { opacity: 1; transform: none; }
.js .feature-card.reveal.in { transition: opacity .6s cubic-bezier(.2, .8, .2, 1), transform .25s, box-shadow .25s, border-color .25s; }
.js .feature-card.reveal.in:hover { transform: translateY(-3px); transition-delay: 0ms; }
.js .link-grid a.reveal.in:hover { transform: translateY(-1px); transition-delay: 0ms; }

/* Slow drifting glow behind the hero. */
.hero-bg { animation: drift 22s ease-in-out infinite alternate; }
@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(-2%, 1.5%, 0) scale(1.06); }
}

/* Logo rings turn on hover. */
.brand-mark { transition: transform .7s cubic-bezier(.2, .8, .2, 1); }
.brand:hover .brand-mark { transform: rotate(120deg); }

/* Press feedback. */
.btn-primary:active, .btn-ghost:active:not(:disabled), .popular button:active, .chips button:active, .source-switch button:active, .quiz-opt:active:not(:disabled) { transform: scale(.97); }
.popular button, .chips button, .source-switch button { transition: all .15s, transform .1s; }

/* Suggestions pop in. */
.suggestions:not([hidden]) { animation: pop .16s cubic-bezier(.2, .8, .2, 1); transform-origin: top center; }
@keyframes pop { from { opacity: 0; transform: translateY(-4px) scale(.985); } to { opacity: 1; transform: none; } }

/* Result card columns settle in one after another. */
.result .col { animation: rise .45s cubic-bezier(.2, .8, .2, 1) both; }
.result .col:nth-child(2) { animation-delay: .06s; }
.result .col:nth-child(3) { animation-delay: .12s; }

/* Quiz feedback. */
.quiz-opt.is-right { animation: good .4s cubic-bezier(.2, .8, .2, 1); }
.quiz-opt.is-wrong { animation: shake .35s ease-in-out; }
@keyframes good { 40% { transform: scale(1.025); } }
@keyframes shake { 20%, 60% { transform: translateX(-4px); } 40%, 80% { transform: translateX(4px); } }

/* Hero example ticker. */
.ticker { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px 10px; margin: -18px auto 34px; min-height: 36px; }
.ticker-label { font-size: 12.5px; color: var(--muted); margin-right: 2px; }
.ticker-pill {
  display: inline-flex; align-items: center; gap: 7px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 75%, transparent); font-size: 13.5px; font-weight: 550; color: var(--text); cursor: pointer;
  transition: border-color .15s;
}
.ticker-pill:hover { border-color: var(--border-strong); }
.ticker-pill .dot { margin: 0; }
.ticker-arrow { color: var(--muted); font-size: 13px; }
.ticker.swap .ticker-pill { animation: tick .5s cubic-bezier(.2, .8, .2, 1) both; }
.ticker.swap .ticker-pill:nth-of-type(2) { animation-delay: .07s; }
.ticker.swap .ticker-pill:nth-of-type(3) { animation-delay: .14s; }
@keyframes tick { from { opacity: 0; transform: translateY(8px); filter: blur(2px); } to { opacity: 1; transform: none; filter: none; } }

/* ───────── Responsive ───────── */
@media (max-width: 900px) {
  .feature-grid { grid-template-columns: minmax(0, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  .result-cols { grid-template-columns: 1fr; }
  .col { border-right: 0; border-bottom: 1px solid var(--border); }
  .col:last-child { border-bottom: 0; }
  .stack-grid, .about-grid { grid-template-columns: minmax(0, 1fr); }
  .about-grid { gap: 28px; }
}
@media (max-width: 720px) {
  .header-inner { flex-wrap: wrap; height: auto; gap: 0 12px; padding-top: 10px; }
  .brand { flex: 1; }
  .nav {
    order: 3; flex-basis: 100%; margin: 6px calc(-1 * max(20px, 4vw)) 0; padding: 0 max(14px, 4vw) 8px;
    overflow-x: auto; scrollbar-width: none; -webkit-mask-image: linear-gradient(90deg, #000 85%, transparent);
  }
  .nav::-webkit-scrollbar { display: none; }
  .nav a { white-space: nowrap; padding: 6px 10px; font-size: 13.5px; }
  html { scroll-padding-top: 110px; }
  .ticker { display: none !important; }
  .page-title { font-size: clamp(26px, 7vw, 32px); letter-spacing: -.03em; }
  .hero-compact .page-title { font-size: 36px; }
  .page-lede { font-size: 15.5px; }
  .quiz-options { grid-template-columns: minmax(0, 1fr); }
  .quiz-card { padding: 20px; }
  .quiz-top { flex-wrap: wrap; }
  .quiz-dots { order: 3; flex-basis: 100%; justify-content: space-between; }
  .quiz-setting { flex-wrap: wrap; justify-content: center; }
  .result-foot { padding-inline: 18px; }
  .page-cta { padding: 20px; }
  .kbd-hint { display: none; }
  .searchbox input { height: 56px; font-size: 16px; padding-right: 16px; }
  .result-head, .col, .result-note, .related { padding-inline: 18px; }

  /* Catalog table becomes stacked cards */
  .catalog-table thead { display: none; }
  .catalog-table, .catalog-table tbody, .catalog-table tr, .catalog-table td { display: block; width: 100%; }
  .catalog-table tbody tr:not(.group) { padding: 12px 16px; border-bottom: 1px solid var(--border); }
  .catalog-table td { border: 0; padding: 3px 0; }
  .catalog-table td[data-cloud]::before {
    content: attr(data-cloud); display: inline-block; width: 60px; font-size: 11px; font-weight: 650; text-transform: uppercase; letter-spacing: .05em; color: var(--muted);
  }
  .catalog-table td[data-cloud] { display: flex; }
  .catalog-table td.match-cell { padding-top: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}