@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("/fonts/dm-sans-latin.woff2") format("woff2");
}

@font-face {
  font-family: "Fraunces";
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url("/fonts/fraunces-latin.woff2") format("woff2");
}

@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 500 600;
  font-display: swap;
  src: url("/fonts/ibm-plex-mono-500-latin.woff2") format("woff2");
}

:root {
  color-scheme: light;
  --paper: #fff9f1;
  --cream: #f6eee3;
  --cream-deep: #eadfce;
  --surface: #ffffff;
  --ink: #252833;
  --ink-soft: #59606b;
  --line: #d8cec0;
  --coral: #c85f4d;
  --coral-deep: #9d4135;
  --coral-soft: #f3d8d1;
  --blue: #617fa5;
  --blue-deep: #3e5f86;
  --blue-soft: #dfe8f1;
  --gold-soft: #f3e7cb;
  --sage: #526b5c;
  --sage-soft: #e2e9e3;
  --display: "Fraunces", Georgia, serif;
  --body: "DM Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --shadow-sm: 0 1px 1px rgba(37, 40, 51, .04), 0 10px 28px rgba(37, 40, 51, .07);
  --shadow-lg: 0 26px 70px rgba(37, 40, 51, .14);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 6rem; }
body {
  min-width: 20rem;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 94% 2%, rgba(223, 232, 241, .82), transparent 30rem),
    var(--paper);
  font: 1rem/1.68 var(--body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body::before {
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  content: "";
  opacity: .018;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.76' numOctaves='3' stitchTiles='stitchTiles'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }
p, ul, ol, pre, table, figure { margin-top: 0; }
h1, h2, h3 { margin-top: 0; color: var(--ink); font-family: var(--display); font-weight: 600; letter-spacing: -.038em; line-height: 1.04; }
h2 { max-width: 48rem; font-size: clamp(2.15rem, 4.6vw, 4.2rem); }
h3 { font-size: clamp(1.35rem, 2.1vw, 1.8rem); }
::selection { color: var(--ink); background: var(--gold-soft); }
:focus-visible { outline: 3px solid var(--blue-deep); outline-offset: 4px; border-radius: .25rem; }
.shell { width: min(calc(100% - 2.5rem), 75rem); margin-inline: auto; }
.reading { max-width: 47rem; }
.skip-link { position: fixed; top: .75rem; left: .75rem; z-index: 1000; padding: .75rem 1rem; color: white; background: var(--ink); border-radius: 999px; transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }

.topbar { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(216, 206, 192, .8); background: rgba(255, 249, 241, .92); backdrop-filter: blur(16px); }
.topbar .shell { min-height: 4.75rem; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.brand { display: inline-flex; flex: 0 0 auto; align-items: center; gap: .55rem; font-family: var(--display); font-size: 1.28rem; font-weight: 700; letter-spacing: -.04em; text-decoration: none; }
.brand img { width: 2.45rem; height: 2.45rem; }
.brand-accent { color: var(--coral-deep); }
.desktop-nav { display: flex; align-items: center; gap: clamp(.9rem, 2vw, 1.8rem); }
.desktop-nav a { color: var(--ink-soft); font-size: .92rem; font-weight: 650; text-decoration: none; }
.desktop-nav a:hover, .desktop-nav a[aria-current="page"] { color: var(--ink); }
.button { display: inline-flex; min-height: 3.1rem; align-items: center; justify-content: center; padding: .76rem 1.15rem; border: 1px solid transparent; border-radius: 999px; font-weight: 700; line-height: 1.2; text-decoration: none; }
.button-primary { color: white !important; background: var(--coral-deep); box-shadow: 0 10px 28px rgba(157, 65, 53, .2); }
.button-secondary { border-color: var(--line); background: rgba(255,255,255,.72); }
.mobile-nav { display: none; position: relative; }
.mobile-nav summary { width: 2.8rem; height: 2.8rem; display: grid; place-items: center; cursor: pointer; list-style: none; border: 1px solid var(--line); border-radius: 50%; background: white; }
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-nav summary svg { width: 1.2rem; }
.mobile-menu { position: absolute; top: 3.4rem; right: 0; width: min(18rem, calc(100vw - 2.5rem)); padding: .65rem; border: 1px solid var(--line); border-radius: 1.25rem; background: var(--paper); box-shadow: var(--shadow-lg); }
.mobile-menu a { display: block; padding: .8rem .9rem; border-radius: .7rem; font-weight: 650; text-decoration: none; }
.mobile-menu a:hover { background: var(--cream); }

.breadcrumb { padding-top: 1.4rem; color: var(--ink-soft); font: 600 .72rem/1.5 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: .55rem; padding: 0; list-style: none; }
.breadcrumb li + li::before { margin-right: .55rem; content: "/"; color: var(--line); }
.breadcrumb a { text-decoration-thickness: 1px; text-underline-offset: .22em; }

.guide-hero { position: relative; overflow: hidden; padding: clamp(3.5rem, 8vw, 7.2rem) 0 clamp(4rem, 8vw, 7rem); border-bottom: 1px solid var(--line); }
.guide-hero::after { position: absolute; top: -10rem; right: -9rem; width: 35rem; height: 35rem; content: ""; border-radius: 50%; background: radial-gradient(circle, rgba(243, 216, 209, .78), transparent 68%); pointer-events: none; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(21rem, .72fr); gap: clamp(2rem, 6vw, 5.5rem); align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: .55rem; margin-bottom: 1.25rem; color: var(--coral-deep); font: 600 .74rem/1.4 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.eyebrow::before { width: 1.8rem; height: 2px; content: ""; background: currentColor; }
h1 { max-width: 57rem; margin-bottom: 1.4rem; font-size: clamp(3.1rem, 7.2vw, 6.4rem); }
.lede { max-width: 47rem; margin-bottom: 1.7rem; color: var(--ink-soft); font-size: clamp(1.08rem, 2vw, 1.32rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .7rem; }
.evidence-card { position: relative; padding: .75rem; border: 1px solid var(--line); border-radius: 1.8rem; background: rgba(255,255,255,.86); box-shadow: var(--shadow-lg); transform: rotate(1.2deg); }
.evidence-card img { width: 100%; max-height: 34rem; object-fit: cover; object-position: top; border-radius: 1.2rem; }
.evidence-card figcaption { padding: .85rem .55rem .35rem; color: var(--ink-soft); font-size: .82rem; }
.evidence-badge { position: absolute; top: 1.35rem; left: 1.35rem; padding: .45rem .65rem; border-radius: 999px; color: var(--sage); background: rgba(226,233,227,.96); font: 600 .66rem/1.3 var(--mono); text-transform: uppercase; letter-spacing: .08em; }

.section { padding: clamp(4.5rem, 9vw, 8rem) 0; border-bottom: 1px solid var(--line); }
.section-intro { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.section-intro > p { max-width: 43rem; color: var(--ink-soft); font-size: 1.1rem; }
.callout { margin-top: 2.3rem; padding: clamp(1.4rem, 4vw, 2.2rem); border-left: 5px solid var(--coral); background: var(--coral-soft); border-radius: 0 1.35rem 1.35rem 0; }
.callout strong { display: block; margin-bottom: .35rem; font-family: var(--display); font-size: 1.35rem; }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2.7rem; }
.card { min-width: 0; padding: clamp(1.3rem, 3vw, 2rem); border: 1px solid var(--line); border-radius: 1.45rem; background: rgba(255,255,255,.74); box-shadow: var(--shadow-sm); }
.card-index { display: block; margin-bottom: 1.1rem; color: var(--coral-deep); font: 600 .7rem/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.card p { margin-bottom: 0; color: var(--ink-soft); }
.card-wide { grid-column: span 2; }

.workflow { counter-reset: workflow; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 2.8rem; border: 1px solid var(--line); border-radius: 1.6rem; overflow: hidden; background: white; box-shadow: var(--shadow-sm); }
.workflow article { position: relative; min-width: 0; padding: 1.6rem; border-right: 1px solid var(--line); }
.workflow article:last-child { border-right: 0; }
.workflow article::before { counter-increment: workflow; content: "0" counter(workflow); display: block; margin-bottom: 2rem; color: var(--blue-deep); font: 600 .73rem/1 var(--mono); }
.workflow h3 { font-size: 1.25rem; }
.workflow p { margin: 0; color: var(--ink-soft); font-size: .92rem; }

.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem; margin-top: 2.8rem; }
.proof-grid figure { min-width: 0; margin: 0; padding: .65rem; border: 1px solid var(--line); border-radius: 1.2rem; background: white; box-shadow: var(--shadow-sm); }
.proof-grid img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: top; border-radius: .75rem; background: var(--cream); }
.proof-grid figcaption { padding: .75rem .25rem .2rem; color: var(--ink-soft); font-size: .8rem; }
.proof-grid b { display: block; margin-bottom: .15rem; color: var(--ink); }

.comparison-wrap { width: 100%; max-width: 100%; min-width: 0; margin-top: 2.6rem; overflow-x: auto; border: 1px solid var(--line); border-radius: 1.4rem; background: white; box-shadow: var(--shadow-sm); }
table { width: 100%; min-width: 43rem; border-collapse: collapse; }
th, td { padding: 1rem 1.15rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--blue-deep); background: var(--blue-soft); font: 600 .72rem/1.4 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
tr:last-child td { border-bottom: 0; }

.code-panel { margin-top: 2rem; overflow: hidden; border: 1px solid #344052; border-radius: 1.35rem; background: #20252f; box-shadow: var(--shadow-lg); }
.code-label { display: flex; justify-content: space-between; gap: 1rem; padding: .75rem 1rem; color: #cbd5e1; border-bottom: 1px solid #344052; font: 600 .68rem/1.4 var(--mono); letter-spacing: .07em; text-transform: uppercase; }
pre { margin: 0; padding: 1.2rem; overflow: auto; color: #f7f3ea; font: .86rem/1.7 var(--mono); }
code { font-family: var(--mono); overflow-wrap: anywhere; word-break: break-word; }
.inline-code { padding: .12em .3em; border-radius: .25rem; color: var(--blue-deep); background: var(--blue-soft); }

.architecture { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 2.6rem; overflow: hidden; border: 1px solid var(--line); border-radius: 1.5rem; background: var(--line); }
.architecture article { min-width: 0; padding: 1.6rem; background: var(--surface); }
.architecture article:nth-child(2) { background: var(--gold-soft); }
.architecture article:nth-child(3) { background: var(--sage-soft); }
.architecture small { display: block; margin-bottom: 1rem; color: var(--ink-soft); font: 600 .68rem/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.architecture p { margin: 0; color: var(--ink-soft); }
.ownership-band { margin-top: 1px; grid-column: 1 / -1; padding: .8rem 1.6rem; color: white; background: var(--blue-deep); font: 600 .75rem/1.5 var(--mono); text-align: center; letter-spacing: .06em; text-transform: uppercase; }

.prose { max-width: 49rem; }
.prose p, .prose li { color: var(--ink-soft); }
.prose li + li { margin-top: .55rem; }
.prose h3 { margin-top: 2.2rem; }
.facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: .9rem; margin-top: 2rem; }
.fact { padding: 1.2rem; border: 1px solid var(--line); border-radius: 1rem; background: rgba(255,255,255,.7); }
.fact b { display: block; margin-bottom: .25rem; }
.fact span { color: var(--ink-soft); font-size: .9rem; }

.related { background: var(--cream); }
.related-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2.2rem; }
.related-link { display: flex; min-height: 12rem; flex-direction: column; justify-content: space-between; padding: 1.5rem; border: 1px solid var(--line); border-radius: 1.3rem; background: white; text-decoration: none; box-shadow: var(--shadow-sm); }
.related-link:hover { border-color: var(--blue); transform: translateY(-2px); }
.related-link small { color: var(--coral-deep); font: 600 .68rem/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.related-link strong { font-family: var(--display); font-size: 1.45rem; line-height: 1.1; }

.final-cta { padding: clamp(4rem, 8vw, 7rem) 0; }
.cta-panel { position: relative; overflow: hidden; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2rem; align-items: center; padding: clamp(2rem, 6vw, 4.5rem); color: white; border-radius: 2rem; background: var(--ink); box-shadow: var(--shadow-lg); }
.cta-panel::after { position: absolute; right: -8rem; bottom: -12rem; width: 28rem; height: 28rem; content: ""; border-radius: 50%; background: rgba(200,95,77,.34); }
.cta-panel > * { position: relative; z-index: 1; }
.cta-panel h2 { margin-bottom: .7rem; color: white; }
.cta-panel p { max-width: 43rem; margin: 0; color: #d9dce3; }
.cta-panel .button-secondary { color: var(--ink); background: white; }

.site-footer { padding: 3rem 0 2rem; border-top: 1px solid var(--line); background: var(--cream); }
.footer-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 2rem; }
.footer-product { display: flex; align-items: center; gap: .65rem; }
.footer-product img { width: 2.6rem; height: 2.6rem; }
.footer-product strong, .footer-product span { display: block; }
.footer-product strong { font-family: var(--display); font-size: 1.2rem; }
.footer-product span { color: var(--ink-soft); font-size: .8rem; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .7rem 1.2rem; }
.footer-links a { color: var(--ink-soft); font-size: .9rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2rem; padding-top: 1.3rem; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: .78rem; }

@media (max-width: 900px) {
  .desktop-nav { display: none; }
  .mobile-nav { display: block; }
  .hero-grid, .section-intro { grid-template-columns: 1fr; }
  .evidence-card { max-width: 31rem; transform: none; }
  .card-grid, .related-list { grid-template-columns: repeat(2, 1fr); }
  .workflow { grid-template-columns: repeat(2, 1fr); }
  .workflow article:nth-child(2) { border-right: 0; }
  .workflow article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-panel { grid-template-columns: 1fr; }
}

@media (max-width: 580px) {
  .shell { width: min(calc(100% - 2rem), 75rem); }
  h1 { font-size: clamp(2.75rem, 14vw, 4.3rem); }
  .guide-hero { padding-top: 2.7rem; }
  .card-grid, .related-list, .facts, .workflow, .proof-grid, .architecture { grid-template-columns: 1fr; }
  .card-wide { grid-column: auto; }
  .workflow article { border-right: 0; border-bottom: 1px solid var(--line); }
  .workflow article:last-child { border-bottom: 0; }
  .proof-grid img { aspect-ratio: 4 / 4.8; }
  .ownership-band { grid-column: 1; }
  .footer-top, .footer-bottom { flex-direction: column; }
  .footer-links { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}