/* typedb-lean website. Plain CSS, no build step. */

:root {
  --bg: #fbfaf7;
  --bg-alt: #f2efe8;
  --surface: #ffffff;
  --text: #1d1b22;
  --muted: #5f5a6b;
  --border: #e3ddd2;
  --accent: #6b3fd4;
  --accent-2: #0f7c86;
  --accent-soft: #efe9fc;
  --code-bg: #17151d;
  --code-text: #e9e6f2;
  --tok-kw: #c79bff;
  --tok-type: #7fd8e0;
  --tok-str: #b7e08a;
  --tok-num: #ffb86b;
  --tok-com: #8a8499;
  --tok-var: #ff8fb4;
  --tok-attr: #ffd479;
  --bar-lean: #6b3fd4;
  --bar-rust: #c26a2e;
  --shadow: 0 1px 2px rgba(20, 16, 30, .05), 0 8px 24px rgba(20, 16, 30, .06);
  --radius: 12px;
  --maxw: 1120px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #121017;
    --bg-alt: #19161f;
    --surface: #1e1a26;
    --text: #ece9f3;
    --muted: #a7a1b5;
    --border: #2e2939;
    --accent: #a98bff;
    --accent-2: #4fc8d2;
    --accent-soft: #2a2140;
    --code-bg: #0c0a10;
    --bar-lean: #a98bff;
    --bar-rust: #e8925a;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .3);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #121017;
  --bg-alt: #19161f;
  --surface: #1e1a26;
  --text: #ece9f3;
  --muted: #a7a1b5;
  --border: #2e2939;
  --accent: #a98bff;
  --accent-2: #4fc8d2;
  --accent-soft: #2a2140;
  --code-bg: #0c0a10;
  --bar-lean: #a98bff;
  --bar-rust: #e8925a;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .3);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16.5px/1.65 "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
h1, h2, h3, h4 { line-height: 1.25; letter-spacing: -.01em; margin: 1.8em 0 .6em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); letter-spacing: -.025em; margin-top: 0; }
h2 { font-size: clamp(1.45rem, 2.6vw, 1.9rem); }
h3 { font-size: 1.2rem; }
p, ul, ol { margin: 0 0 1em; }
li { margin: .25em 0; }
hr { border: 0; border-top: 1px solid var(--border); margin: 3rem 0; }

code, pre, kbd {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-variant-ligatures: none;
}
:not(pre) > code {
  font-size: .88em;
  background: var(--accent-soft);
  color: var(--text);
  padding: .1em .38em;
  border-radius: 5px;
  overflow-wrap: anywhere;
}
pre {
  background: var(--code-bg);
  color: var(--code-text);
  padding: 1.1rem 1.25rem;
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: .86rem;
  line-height: 1.6;
  margin: 0 0 1.4em;
  position: relative;
}
pre[data-lang]::before {
  content: attr(data-lang);
  position: absolute; top: .45rem; right: .75rem;
  font-size: .68rem; text-transform: uppercase; letter-spacing: .08em;
  color: var(--tok-com);
}
pre code { background: none; padding: 0; }
.tok-kw { color: var(--tok-kw); }
.tok-type { color: var(--tok-type); }
.tok-str { color: var(--tok-str); }
.tok-num { color: var(--tok-num); }
.tok-com { color: var(--tok-com); font-style: italic; }
.tok-var { color: var(--tok-var); }
.tok-attr { color: var(--tok-attr); }
.tok-err { color: #ff7b7b; }

table { border-collapse: collapse; width: 100%; margin: 0 0 1.5em; font-size: .94rem; }
.table-wrap { overflow-x: auto; margin: 0 0 1.5em; }
.table-wrap table { margin: 0; }
td code { white-space: nowrap; overflow-wrap: normal; }
th, td { text-align: left; padding: .55rem .75rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-weight: 600; color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .05em; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .inner {
  max-width: var(--maxw); margin: 0 auto; padding: .7rem 16px;
  display: flex; align-items: center; gap: 1.2rem;
}
.brand { display: flex; align-items: center; gap: .55rem; font-weight: 700; color: var(--text); font-size: 1.05rem; }
.brand:hover { text-decoration: none; }
.brand .logo { width: 30px; height: 30px; border-radius: 8px; display: block; }
.nav { display: flex; gap: .2rem; margin-left: auto; align-items: center; flex-wrap: wrap; }
.nav a {
  color: var(--muted); padding: .35rem .65rem; border-radius: 8px; font-size: .93rem; font-weight: 500;
}
.nav a:hover { color: var(--text); background: var(--bg-alt); text-decoration: none; }
.nav a[aria-current="page"] { color: var(--accent); background: var(--accent-soft); }
.theme-toggle, .menu-toggle {
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  border-radius: 8px; width: 34px; height: 34px; cursor: pointer; font-size: 1rem;
  display: grid; place-items: center;
}
.menu-toggle { display: none; margin-left: auto; }
@media (max-width: 820px) {
  .menu-toggle { display: grid; }
  .nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--border);
    flex-direction: column; align-items: stretch; padding: .5rem 16px 1rem;
  }
  .nav.open { display: flex; }
  .nav .theme-toggle { margin-top: .4rem; }
}

/* Layout */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 16px; }
.prose { max-width: 760px; }
section.band { padding: 4.5rem 0; }
section.band.alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .76rem; font-weight: 700; color: var(--accent); margin-bottom: .6rem; }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 680px; }
.muted { color: var(--muted); }
.small { font-size: .88rem; }

/* Hero */
.hero { padding: 5rem 0 3.5rem; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 3rem; align-items: center; }
.hero-grid > *, .grid > *, .bridge > * { min-width: 0; }
.hero h1 .grad {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero pre { box-shadow: var(--shadow); margin: 0; }
.cta { display: flex; gap: .75rem; flex-wrap: wrap; margin: 1.6rem 0 1rem; }
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .7rem 1.15rem; border-radius: 10px; font-weight: 600; font-size: .96rem;
  border: 1px solid var(--border); color: var(--text); background: var(--surface);
}
.btn:hover { text-decoration: none; border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); }
.install {
  display: flex; align-items: center; gap: .6rem; font-size: .82rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: .55rem .8rem; max-width: 100%; overflow-x: auto; white-space: nowrap;
}
.install code { background: none !important; padding: 0 !important; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: minmax(0, 1fr); } .hero { padding-top: 3rem; } }

/* Cards */
.grid { display: grid; gap: 1.1rem; }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 900px) { .grid.cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; } }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.35rem 1.4rem; box-shadow: var(--shadow); min-width: 0;
}
.card h3 { margin: .2rem 0 .5rem; font-size: 1.08rem; }
.card p { color: var(--muted); margin: 0; font-size: .95rem; }
.card .icon {
  width: 36px; height: 36px; border-radius: 9px; background: var(--accent-soft); color: var(--accent);
  display: grid; place-items: center; font-weight: 700; font-family: "JetBrains Mono", monospace; font-size: .85rem;
}
a.card { color: inherit; display: block; transition: border-color .15s, transform .15s; }
a.card:hover { text-decoration: none; border-color: var(--accent); transform: translateY(-2px); }

/* Type bridge diagram */
.bridge { display: grid; grid-template-columns: 1fr auto 1fr; gap: 1rem; align-items: stretch; margin-top: 2rem; }
.bridge .side { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem 1.2rem; min-width: 0; }
.bridge .side h4 { margin: 0 0 .7rem; font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.bridge .side pre { margin: 0; font-size: .8rem; }
.bridge .arrows { display: flex; flex-direction: column; justify-content: center; gap: .6rem; color: var(--muted); font-size: .8rem; text-align: center; }
.bridge .arrows span { display: block; padding: .3rem .6rem; border: 1px dashed var(--border); border-radius: 999px; background: var(--bg); white-space: nowrap; }
@media (max-width: 860px) { .bridge { grid-template-columns: minmax(0, 1fr); } .bridge .arrows { flex-direction: row; flex-wrap: wrap; justify-content: center; } }

.layers { display: grid; gap: .5rem; margin: 1.5rem 0; }
.layer {
  display: grid; grid-template-columns: 210px 1fr; gap: 1rem; align-items: center;
  background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--accent);
  border-radius: 10px; padding: .75rem 1rem;
}
.layer:nth-child(2) { border-left-color: color-mix(in srgb, var(--accent) 75%, var(--accent-2)); }
.layer:nth-child(3) { border-left-color: color-mix(in srgb, var(--accent) 50%, var(--accent-2)); }
.layer:nth-child(4) { border-left-color: color-mix(in srgb, var(--accent) 25%, var(--accent-2)); }
.layer:nth-child(5) { border-left-color: var(--accent-2); }
.layer b { font-size: .95rem; }
.layer span { color: var(--muted); font-size: .92rem; }
@media (max-width: 640px) { .layer { grid-template-columns: 1fr; gap: .2rem; } }

/* Benchmarks */
.bench { display: grid; gap: 1.1rem; }
.bench-row { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem 1.25rem; }
.bench-row header { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; margin-bottom: .7rem; }
.bench-row h3 { margin: 0; font-size: 1.02rem; }
.bench-row .note { font-size: .82rem; color: var(--muted); }
.verdict { font-size: .82rem; font-weight: 600; padding: .15rem .55rem; border-radius: 999px; background: var(--accent-soft); color: var(--accent); white-space: nowrap; }
.verdict.even { background: var(--bg-alt); color: var(--muted); }
.bar { display: grid; grid-template-columns: 110px 1fr 120px; gap: .75rem; align-items: center; margin: .35rem 0; font-size: .88rem; }
.bar .track { background: var(--bg-alt); border-radius: 6px; height: 14px; overflow: hidden; }
.bar .fill { height: 100%; border-radius: 6px; }
.bar.lean .fill { background: var(--bar-lean); }
.bar.rust .fill { background: var(--bar-rust); }
.bar .val { text-align: right; font-variant-numeric: tabular-nums; font-family: "JetBrains Mono", monospace; font-size: .82rem; }
.bar > span:first-child { white-space: nowrap; }
@media (max-width: 560px) { .bar { grid-template-columns: 88px 1fr 76px; gap: .5rem; font-size: .8rem; } }
.legend { display: flex; gap: 1.2rem; font-size: .88rem; color: var(--muted); margin-bottom: 1rem; flex-wrap: wrap; }
.legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: .35rem; vertical-align: -1px; }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin: 2rem 0; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.1rem; }
.stat b { display: block; font-size: 1.6rem; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.stat span { color: var(--muted); font-size: .85rem; }
@media (max-width: 760px) { .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* Docs layout with sidebar */
.doc { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 3rem; padding: 3rem 16px 5rem; }
.doc aside { position: sticky; top: 76px; align-self: start; max-height: calc(100vh - 96px); overflow-y: auto; font-size: .92rem; }
.doc aside h4 { margin: 0 0 .5rem; font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.doc aside ol, .doc aside ul { list-style: none; padding: 0; margin: 0 0 1.5rem; }
.doc aside li { margin: 0; }
.doc aside a { display: block; padding: .3rem .6rem; border-radius: 7px; color: var(--muted); }
.doc aside a:hover { background: var(--bg-alt); color: var(--text); text-decoration: none; }
.doc aside a[aria-current="page"] { color: var(--accent); background: var(--accent-soft); font-weight: 600; }
.doc main { min-width: 0; max-width: 780px; }
.doc main h2 { scroll-margin-top: 80px; }
.doc main h3 { scroll-margin-top: 80px; }
@media (max-width: 900px) {
  .doc { grid-template-columns: minmax(0, 1fr); gap: 1rem; padding-top: 1.5rem; }
  .doc aside { position: static; max-height: none; border-bottom: 1px solid var(--border); padding-bottom: .5rem; }
}

.callout {
  border: 1px solid var(--border); border-left: 4px solid var(--accent-2);
  background: var(--surface); border-radius: 10px; padding: .9rem 1.1rem; margin: 0 0 1.4em;
}
.callout p:last-child { margin-bottom: 0; }
.callout.book { border-left-color: var(--accent); background: var(--accent-soft); }
.callout strong:first-child { display: block; margin-bottom: .2rem; }

.pager { display: flex; justify-content: space-between; gap: 1rem; margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--border); flex-wrap: wrap; }
.pager a { display: block; padding: .8rem 1rem; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); min-width: 0; flex: 1 1 220px; }
.pager a:hover { border-color: var(--accent); text-decoration: none; }
.pager a.next { text-align: right; }
.pager small { display: block; color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; }

.chapter-num { font-family: "JetBrains Mono", monospace; color: var(--accent); font-weight: 700; font-size: .85rem; }
.toc-list { list-style: none; padding: 0; counter-reset: ch; }
.toc-list li { margin: 0; }
.toc-list a { display: grid; grid-template-columns: 2.5rem 1fr; gap: .5rem; padding: 1rem 0; border-bottom: 1px solid var(--border); color: var(--text); }
.toc-list a:hover { text-decoration: none; }
.toc-list a:hover b { color: var(--accent); }
.toc-list span { color: var(--muted); font-size: .94rem; display: block; }

.book-promo { display: grid; grid-template-columns: auto 1fr; gap: 1.3rem; align-items: center; }
.book-cover {
  width: 92px; height: 128px; border-radius: 6px 10px 10px 6px;
  background: linear-gradient(150deg, var(--accent), var(--accent-2));
  box-shadow: var(--shadow), inset 6px 0 0 rgba(0, 0, 0, .18);
  color: #fff; padding: .7rem .6rem; font-size: .72rem; font-weight: 700; line-height: 1.25;
  display: flex; flex-direction: column; justify-content: space-between;
}
.book-cover small { font-weight: 500; opacity: .85; font-size: .62rem; }
@media (max-width: 520px) { .book-promo { grid-template-columns: 1fr; } }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 2.5rem 0 3rem; color: var(--muted); font-size: .9rem; background: var(--bg-alt); }
.site-footer .cols { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem; }
.site-footer h4 { margin: 0 0 .6rem; color: var(--text); font-size: .85rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--accent); }
@media (max-width: 760px) { .site-footer .cols { grid-template-columns: 1fr 1fr; } }

/* ---------------------------------------------------------------------------------------- */
/* Marketing components                                                                       */

.nav a.nav-gh {
  display: inline-flex; align-items: center; gap: .4rem;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
}
.nav a.nav-gh:hover { border-color: var(--accent); }

.hero.marketing { position: relative; overflow: hidden; padding: 5.5rem 0 4.5rem; isolation: isolate; }
.hero.marketing::before {
  content: ""; position: absolute; inset: -20% -10% auto -10%; height: 120%; z-index: -2;
  background:
    radial-gradient(38% 45% at 18% 20%, color-mix(in srgb, var(--accent) 26%, transparent), transparent 70%),
    radial-gradient(35% 40% at 85% 30%, color-mix(in srgb, var(--accent-2) 22%, transparent), transparent 70%);
}
.hero.marketing::after {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: .5;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(70% 60% at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 30%, #000 30%, transparent 75%);
}
.hero.marketing h1 { font-size: clamp(2.3rem, 5.4vw, 3.9rem); line-height: 1.06; letter-spacing: -.035em; }
.badges { display: flex; flex-wrap: wrap; gap: .45rem; margin-bottom: 1.4rem; }
.badge {
  display: inline-flex; align-items: center; gap: .35rem; font-size: .78rem; font-weight: 600;
  padding: .3rem .7rem; border-radius: 999px; border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 80%, transparent); color: var(--muted);
}
.badge b { color: var(--text); font-weight: 700; }
.badge.new { border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); color: var(--accent); }
.badge .dot { width: 7px; height: 7px; border-radius: 50%; background: #2fbf71; }

.install { position: relative; padding-right: 4.6rem; }
.install code { overflow-x: auto; display: block; }
.copy {
  position: absolute; right: .4rem; top: 50%; transform: translateY(-50%);
  border: 1px solid var(--border); background: var(--bg-alt); color: var(--muted);
  border-radius: 7px; font-size: .74rem; padding: .25rem .5rem; cursor: pointer; font-family: inherit;
}
.copy:hover { color: var(--text); }
.copy.done { color: #2fbf71; }
.copy.done::after { content: " ✓"; }

/* Code window with tabs */
.window {
  background: var(--code-bg); border-radius: 14px; box-shadow: 0 30px 60px -20px rgba(30, 10, 70, .45), var(--shadow);
  border: 1px solid color-mix(in srgb, var(--code-text) 10%, transparent); overflow: hidden; min-width: 0;
}
.window .chrome { display: flex; align-items: center; gap: .4rem; padding: .7rem .9rem 0; }
.window .chrome i { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; display: block; }
.window .chrome i:nth-child(2) { background: #febc2e; }
.window .chrome i:nth-child(3) { background: #28c840; }
.window .chrome span { margin-left: .6rem; font: .75rem "JetBrains Mono", monospace; color: var(--tok-com); }
.tab-list { display: flex; gap: .2rem; padding: .6rem .7rem 0; overflow-x: auto; border-bottom: 1px solid color-mix(in srgb, var(--code-text) 10%, transparent); }
.tab-list button {
  background: none; border: 0; color: var(--tok-com); font: 600 .8rem "Inter", sans-serif; cursor: pointer;
  padding: .45rem .75rem .6rem; border-bottom: 2px solid transparent; white-space: nowrap;
}
.tab-list button[aria-selected="true"] { color: var(--code-text); border-bottom-color: var(--tok-kw); }
.window pre { margin: 0; border-radius: 0; box-shadow: none; background: transparent; min-height: 330px; }
.window .caption { padding: .65rem 1rem; font-size: .8rem; color: var(--tok-com); border-top: 1px solid color-mix(in srgb, var(--code-text) 10%, transparent); }

/* Section headings */
.section-head { max-width: 720px; margin-bottom: 2.4rem; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { margin: 0 0 .7rem; font-size: clamp(1.7rem, 3.2vw, 2.4rem); letter-spacing: -.025em; }
.section-head p { color: var(--muted); font-size: 1.1rem; margin: 0; }

/* Metric strip */
.metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--border); border-radius: 16px; background: var(--surface); overflow: hidden; }
.metrics div { padding: 1.4rem 1.5rem; border-right: 1px solid var(--border); }
.metrics div:last-child { border-right: 0; }
.metrics b { display: block; font-size: 1.9rem; letter-spacing: -.03em; font-variant-numeric: tabular-nums;
  background: linear-gradient(120deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.metrics span { color: var(--muted); font-size: .88rem; }
@media (max-width: 760px) { .metrics b { font-size: 1.35rem; } .metrics div { padding: 1.1rem 1rem; } .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); } .metrics div:nth-child(2) { border-right: 0; } .metrics div:nth-child(-n+2) { border-bottom: 1px solid var(--border); } }

/* Before / after */
.compare { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.2rem; }
.compare .col { border-radius: 16px; padding: 1.6rem 1.7rem; border: 1px solid var(--border); background: var(--surface); }
.compare .col.good { border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); box-shadow: 0 0 0 4px var(--accent-soft); }
.compare h3 { margin: 0 0 1rem; font-size: 1.05rem; display: flex; align-items: center; gap: .5rem; }
.compare ul { list-style: none; padding: 0; margin: 0; }
.compare li { position: relative; padding: .5rem 0 .5rem 1.9rem; border-top: 1px dashed var(--border); font-size: .95rem; margin: 0; }
.compare li:first-child { border-top: 0; }
.compare li::before { content: "✕"; color: #d9534f; font-weight: 700; position: absolute; left: .2rem; top: .5rem; }
.compare .good li::before { content: "✓"; color: #2fbf71; }
@media (max-width: 760px) { .compare { grid-template-columns: 1fr; } }

/* Feature cards with SVG icons */
.feature .ico {
  width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center; margin-bottom: .9rem;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 18%, transparent), color-mix(in srgb, var(--accent-2) 18%, transparent));
  color: var(--accent);
}
.feature .ico svg { width: 22px; height: 22px; }
.feature a.more { display: inline-block; margin-top: .7rem; font-size: .88rem; font-weight: 600; }

/* Flow diagram */
.flow svg { width: 100%; height: auto; display: block; }
.flow .box { fill: var(--surface); stroke: var(--border); }
.flow .box.hl { stroke: var(--accent); }
.flow text { fill: var(--text); font: 600 13px "Inter", sans-serif; }
.flow text.sub { fill: var(--muted); font: 500 11px "JetBrains Mono", monospace; }
.flow .edge { stroke: var(--accent); stroke-width: 1.6; fill: none; }
.flow .edge.alt { stroke: var(--accent-2); }
.flow .lbl { fill: var(--muted); font: 500 11px "Inter", sans-serif; }

/* Use cases */
.usecase { position: relative; overflow: hidden; }
.usecase .kicker { font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--accent-2); }
.usecase h3 { margin-top: .4rem; }
.usecase code { font-size: .8em; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.2rem; counter-reset: step; }
.step { position: relative; padding-top: 2.6rem; }
.step::before {
  counter-increment: step; content: counter(step);
  position: absolute; top: 0; left: 0; width: 2rem; height: 2rem; border-radius: 50%;
  display: grid; place-items: center; font-weight: 800; font-size: .9rem; color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.step h3 { margin: 0 0 .5rem; font-size: 1.05rem; }
.step pre { font-size: .76rem; margin: .7rem 0 0; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }

/* Learn: mini book card */
.bookcard { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0; padding: 0; overflow: hidden; }
.bookcard .left { padding: 2rem; background: linear-gradient(150deg, var(--accent), color-mix(in srgb, var(--accent) 50%, var(--accent-2))); color: #fff; }
.bookcard .left h3 { color: #fff; font-size: 1.5rem; margin: .3rem 0 .7rem; }
.bookcard .left p { color: rgba(255, 255, 255, .85); }
.bookcard .left .btn { background: #fff; color: #3a1d8f; border-color: #fff; margin-top: 1rem; }
.bookcard ol { margin: 0; padding: 1.4rem 1.6rem; list-style: none; counter-reset: ch; }
.bookcard li { counter-increment: ch; margin: 0; }
.bookcard li a { display: grid; grid-template-columns: 2rem 1fr; padding: .55rem 0; border-bottom: 1px solid var(--border); color: var(--text); font-size: .95rem; }
.bookcard li:last-child a { border-bottom: 0; }
.bookcard li a::before { content: counter(ch, decimal-leading-zero); font: 700 .8rem "JetBrains Mono", monospace; color: var(--accent); padding-top: .15rem; }
.bookcard li a:hover { color: var(--accent); text-decoration: none; }
@media (max-width: 820px) { .bookcard { grid-template-columns: 1fr; } }

/* FAQ */
.faq details { border-bottom: 1px solid var(--border); padding: 1rem 0; }
.faq summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: .7rem 0 0; color: var(--muted); }

/* Call to action band */
.cta-band {
  border-radius: 22px; padding: 3.2rem 2rem; text-align: center; color: #fff; position: relative; overflow: hidden;
  background: radial-gradient(60% 120% at 0% 0%, #8a5cff, transparent 60%), radial-gradient(60% 120% at 100% 100%, #14a3ad, transparent 60%), #2a1660;
}
.cta-band h2 { color: #fff; margin: 0 0 .7rem; font-size: clamp(1.6rem, 3.2vw, 2.3rem); }
.cta-band p { color: rgba(255, 255, 255, .82); margin: 0 auto 1.6rem; max-width: 560px; }
.cta-band .cta { justify-content: center; margin: 0; }
.cta-band .btn { background: rgba(255, 255, 255, .1); color: #fff; border-color: rgba(255, 255, 255, .3); }
.cta-band .btn.primary { background: #fff; color: #3a1d8f; border-color: #fff; }

/* Reveal on scroll */
.reveal.pre { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.pre.in { opacity: 1; transform: none; }

/* ---------------------------------------------------------------------------------------- */
/* Blog                                                                                       */

.post-hero { padding: 4rem 0 2.5rem; border-bottom: 1px solid var(--border); position: relative; overflow: hidden; isolation: isolate; }
.post-hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(45% 80% at 10% 0%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 70%),
              radial-gradient(40% 70% at 90% 10%, color-mix(in srgb, var(--accent-2) 14%, transparent), transparent 70%);
}
.post-hero .inner { max-width: 760px; margin: 0 auto; padding: 0 16px; }
.post-hero h1 { font-size: clamp(2rem, 4.4vw, 3rem); margin: .4rem 0 .9rem; }
.post-meta { display: flex; flex-wrap: wrap; gap: .5rem 1rem; align-items: center; color: var(--muted); font-size: .9rem; }
.tag { display: inline-block; font-size: .74rem; font-weight: 600; padding: .2rem .6rem; border-radius: 999px; background: var(--accent-soft); color: var(--accent); }
.post-body { max-width: 760px; margin: 0 auto; padding: 2.5rem 16px 4rem; font-size: 1.04rem; }
.post-body h2 { margin-top: 2.4em; }
.post-body figure { margin: 2rem 0; }
.post-body figcaption { font-size: .85rem; color: var(--muted); text-align: center; margin-top: .6rem; }
.post-body blockquote { margin: 1.5rem 0; padding: .4rem 1.2rem; border-left: 3px solid var(--accent); color: var(--muted); font-style: italic; }
.post-list { display: grid; gap: 1.2rem; }
a.post-card { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 1.4rem; align-items: center; color: inherit; }
.post-card:hover { text-decoration: none; }
.post-card .thumb { aspect-ratio: 4 / 3; border-radius: 12px; display: grid; place-items: center; background: linear-gradient(140deg, var(--accent), var(--accent-2)); color: #fff; }
.post-card .thumb svg { width: 56%; height: auto; }
.post-card h3 { margin: .4rem 0 .4rem; font-size: 1.25rem; }
.post-card p { margin: 0; }
@media (max-width: 640px) { a.post-card { grid-template-columns: 1fr; } .post-card .thumb { aspect-ratio: 16 / 7; } }

/* Footer legal row and legal pages */
.legal-row {
  display: flex; justify-content: space-between; align-items: center; gap: .6rem 1.5rem; flex-wrap: wrap;
  margin-top: 2.2rem; padding-top: 1.3rem; border-top: 1px solid var(--border); font-size: .85rem;
}
.legal-row nav { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.legal-row a[aria-current="page"] { color: var(--accent); }
.post-body.legal { font-size: 1rem; }
.post-body.legal h2 { font-size: 1.25rem; margin-top: 2em; }
.post-body.legal p { overflow-wrap: anywhere; }