/* Lynx PDF Studio — pdf.lynxdi.com
   Editorial theme ported from lynxdi.com: Fraunces serif display + Inter body,
   warm-paper / near-black canvas, one teal accent used sparingly. Light-first,
   dark via system preference. Fonts self-hosted (assets/css/fonts.css) so the
   only third party the site contacts stays Google Analytics.
   fonts.css is linked from each page's <head> (parallel load), not @imported. */

/* ── editorial tokens (rgb triplets so `/ <alpha>` works for surfaces/lines) ── */
:root {
  --canvas: 250 249 247;    /* warm paper #faf9f7 */
  --ink: 26 28 32;          /* near-black #1a1c20 */
  --ink-soft: 74 78 87;
  --ink-muted: 111 118 130;
  --accent: 13 148 136;     /* teal-600 #0d9488 (AA on paper) */
  --accent-glow: 13 148 136;
  --max: 72rem;
}
@media (prefers-color-scheme: dark) {
  :root {
    --canvas: 8 9 12;       /* near-black #08090c */
    --ink: 244 245 247;
    --ink-soft: 182 188 200;
    --ink-muted: 125 134 150;
    --accent: 56 225 211;   /* teal #38e1d3 */
    --accent-glow: 56 225 211;
  }
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: rgb(var(--canvas));
  color: rgb(var(--ink));
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px; line-height: 1.65; letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; }
a { color: rgb(var(--accent)); text-decoration: none; }
a:hover { text-decoration: underline; }
main p a, main li a, main td a { text-decoration: underline; text-underline-offset: 2px; }
code, pre { font-family: ui-monospace, "Cascadia Code", Consolas, "SF Mono", Menlo, monospace; }
code { background: rgb(var(--ink) / 0.05); border: 1px solid rgb(var(--ink) / 0.1);
  border-radius: 5px; padding: .1em .35em; font-size: .88em; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.5rem; }

/* display face — Fraunces, medium, tight */
h1, h2, .display { font-family: Fraunces, "Iowan Old Style", Georgia, serif;
  font-weight: 500; letter-spacing: -0.025em; line-height: 1.1;
  font-feature-settings: "ss01"; }

/* ── nav ── */
.nav { position: sticky; top: 0; z-index: 20;
  background: rgb(var(--canvas) / 0.85); backdrop-filter: blur(10px);
  border-bottom: 1px solid rgb(var(--ink) / 0.08); }
.nav .wrap { display: flex; align-items: center; gap: 1.5rem; height: 3.8rem; }
.brand { display: flex; align-items: center; gap: .55rem; color: rgb(var(--ink)); font-weight: 600; letter-spacing: -0.01em; }
.brand:hover { text-decoration: none; }
.brand img { width: 26px; height: 26px; border-radius: 6px; }
.brand .accent { color: rgb(var(--accent)); }
.nav-links { display: flex; gap: 1.4rem; margin-left: auto; align-items: center; }
.nav-links a { color: rgb(var(--ink-soft)); font-size: .93rem; }
.nav-links a:hover { color: rgb(var(--ink)); text-decoration: none; }
.nav-links a.btn-primary, .nav-links a.btn-primary:hover { color: rgb(var(--canvas)); }

/* ── buttons ── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .7rem 1.35rem; border-radius: 9px; font-weight: 600; font-size: .92rem;
  border: 1px solid transparent; white-space: nowrap; transition: all .2s ease; }
.btn:hover { text-decoration: none; }
.btn-primary { background: rgb(var(--accent)); color: rgb(var(--canvas)); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 28px rgb(var(--accent-glow) / 0.30); }
.btn-ghost { border-color: rgb(var(--ink) / 0.12); color: rgb(var(--ink)); background: transparent; }
.btn-ghost:hover { border-color: rgb(var(--accent) / 0.5); background: rgb(var(--accent) / 0.08); }
.nav .btn { padding: .45rem 1rem; font-size: .9rem; }

/* ── section label: accent rule + caps ── */
.kicker { display: flex; align-items: center; gap: .75rem; margin: 0 0 1.1rem;
  font-family: Inter, sans-serif; font-size: .74rem; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase; color: rgb(var(--ink-muted)); }
.kicker::before { content: ""; width: 1.5rem; height: 1px; background: rgb(var(--accent) / 0.7); flex: none; }

/* ── hero ── */
.hero { padding: 5rem 0 4rem; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 3.5rem; align-items: center; }
.hero h1 { font-size: clamp(2.1rem, 4.8vw, 3.4rem); margin: 0 0 1.3rem; }
.hero h1 .line2 { display: block; font-style: italic; color: rgb(var(--accent)); }
.hero .sub { color: rgb(var(--ink-soft)); font-size: 1.14rem; max-width: 33em; margin: 0 0 .7rem; letter-spacing: -0.01em; }
.hero .byline { color: rgb(var(--ink-muted)); font-style: italic; font-family: Fraunces, Georgia, serif; margin: 0 0 1.7rem; }
.cta-row { display: flex; gap: .8rem; flex-wrap: wrap; align-items: center; }
.pill-row { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: 1.5rem; }
.pill { border: 1px solid rgb(var(--ink) / 0.12); color: rgb(var(--ink-soft)); border-radius: 999px;
  padding: .3rem .9rem; font-size: .84rem; }
.pill strong { color: rgb(var(--accent)); font-weight: 600; }

/* code window — deliberately dark in both themes (code reads best on dark) */
.code-window { background: #0d1614; border: 1px solid rgb(var(--ink) / 0.12); border-radius: 14px;
  box-shadow: 0 20px 50px rgb(0 0 0 / 0.28); overflow: hidden; }
@media (prefers-color-scheme: dark) { .code-window { box-shadow: 0 20px 50px rgb(0 0 0 / 0.5); } }
.code-window .bar { display: flex; align-items: center; gap: .45rem; padding: .65rem .95rem;
  border-bottom: 1px solid rgb(255 255 255 / 0.06); background: #0b1312; }
.code-window .dot { width: 11px; height: 11px; border-radius: 50%; background: #274038; }
.code-window .dot.r { background: #f87171; } .code-window .dot.y { background: #fbbf24; } .code-window .dot.g { background: #34d399; }
.code-window .fname { color: #7d948d; font-size: .82rem; margin-left: .4rem; }
.code-window pre { margin: 0; padding: 1.05rem 1.25rem; overflow-x: auto; font-size: .85rem; line-height: 1.75;
  background: transparent; border: none; color: #cfe3dd; }
.cm { color: #6ee7b7; } .ck { color: #7dd3fc; } .cs { color: #fca5a5; } .cn { color: #9fb4ad; }

/* ── sections ── */
section { padding: 4rem 0; }
section.alt { background: rgb(var(--ink) / 0.02);
  border-top: 1px solid rgb(var(--ink) / 0.08); border-bottom: 1px solid rgb(var(--ink) / 0.08); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); margin: 0 0 1rem; }
.lead { color: rgb(var(--ink-soft)); max-width: 44em; margin: 0 0 1.6rem; font-size: 1.06rem; }

.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.1rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.1rem; }
.card { background: rgb(var(--ink) / 0.02); border: 1px solid rgb(var(--ink) / 0.1);
  border-radius: 16px; padding: 1.6rem 1.65rem; }
.card h3 { margin: 0 0 .5rem; font-size: 1.06rem; font-weight: 600; letter-spacing: -0.01em; }
.card p { margin: 0; color: rgb(var(--ink-soft)); font-size: .96rem; }
.card .ops { color: rgb(var(--ink-muted)); font-size: .85rem; font-family: ui-monospace, Consolas, monospace; line-height: 1.9; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 3rem; align-items: center; }
.shot { border: 1px solid rgb(var(--ink) / 0.1); border-radius: 14px; box-shadow: 0 16px 40px rgb(0 0 0 / 0.16); }
.caption { color: rgb(var(--ink-muted)); font-size: .84rem; margin-top: .55rem; font-style: italic; }
.checklist { list-style: none; padding: 0; margin: 0 0 1.4rem; color: rgb(var(--ink-soft)); }
.checklist li { padding-left: 1.7em; position: relative; margin-bottom: .6rem; }
.checklist li::before { content: "\2713"; color: rgb(var(--accent)); position: absolute; left: 0; font-weight: 700; }
.note { border-left: 2px solid rgb(var(--accent) / 0.7); background: rgb(var(--ink) / 0.02);
  border-radius: 0 10px 10px 0; padding: .95rem 1.15rem; color: rgb(var(--ink-soft)); font-size: .98rem; }

/* numbered step cards — inline accent badge before the heading */
.step-cards { counter-reset: step; }
.step-cards .card h3 { display: flex; align-items: center; gap: .6rem; }
.step-cards .card h3::before { counter-increment: step; content: counter(step);
  flex: none; width: 1.7rem; height: 1.7rem; font-size: .9rem; font-family: Inter, sans-serif;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgb(var(--accent)); color: rgb(var(--canvas)); font-weight: 700; border-radius: 8px; }

/* ── FAQ ── */
.faq details { border: 1px solid rgb(var(--ink) / 0.1); border-radius: 12px;
  background: rgb(var(--ink) / 0.02); margin-bottom: .6rem; }
.faq summary { cursor: pointer; padding: .95rem 1.2rem; font-weight: 600; list-style: none; letter-spacing: -0.01em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: rgb(var(--accent)); font-weight: 700; }
.faq details[open] summary::after { content: "\2013"; }
.faq details p { margin: 0; padding: 0 1.2rem 1rem; color: rgb(var(--ink-soft)); }

/* ── footer ── */
footer { border-top: 1px solid rgb(var(--ink) / 0.1); padding: 3rem 0 3.5rem; color: rgb(var(--ink-muted)); font-size: .92rem; }
footer .cols { display: flex; flex-wrap: wrap; gap: 3rem; margin-bottom: 1.8rem; }
footer h3 { font-family: Inter, sans-serif; color: rgb(var(--ink-soft)); font-size: .74rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.16em; margin: 0 0 .7rem; }
footer ul { list-style: none; margin: 0; padding: 0; }
footer li { margin-bottom: .4rem; }
footer a { color: rgb(var(--ink-muted)); } footer a:hover { color: rgb(var(--accent)); }
.smallprint { border-top: 1px solid rgb(var(--ink) / 0.08); padding-top: 1.3rem; line-height: 1.8; font-size: .83rem; }

/* ── prose pages (trust, operations) ── */
.prose { max-width: 50rem; margin: 0 auto; padding: 3.5rem 1.5rem 4.5rem; }
.prose h1 { font-size: clamp(2rem, 4vw, 2.6rem); margin-bottom: .3rem; }
.prose h2 { margin-top: 2.6rem; }
.prose h3 { font-family: Inter, sans-serif; font-weight: 600; letter-spacing: -0.01em; margin: 1.7rem 0 .5rem; font-size: 1.05rem; }
.prose p, .prose li { color: rgb(var(--ink-soft)); }
.prose strong { color: rgb(var(--ink)); font-weight: 600; }
.prose ul { padding-left: 1.2rem; }
.prose li { margin-bottom: .4rem; }
.prose table { width: 100%; border-collapse: collapse; font-size: .93rem; }
.prose .table-scroll { overflow-x: auto; }
.prose th, .prose td { text-align: left; padding: .65rem .75rem; border-bottom: 1px solid rgb(var(--ink) / 0.1); vertical-align: top; }
.prose th { color: rgb(var(--ink)); white-space: nowrap; }
.prose pre { background: #0d1614; color: #cfe3dd; border: 1px solid rgb(var(--ink) / 0.12);
  border-radius: 10px; padding: .95rem 1.15rem; overflow-x: auto; font-size: .86rem; }
.prose nav ul { padding-left: 0; list-style: none; columns: 2; }
.prose .count { color: rgb(var(--ink-muted)); }

/* ── responsive ── */
@media (max-width: 860px) {
  .hero .wrap, .split { grid-template-columns: minmax(0, 1fr); }
  .grid-3, .grid-2 { grid-template-columns: minmax(0, 1fr); }
  .nav-links a:not(.btn) { display: none; }
  .hero { padding-top: 3.2rem; }
  .prose nav ul { columns: 1; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
