@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Playfair+Display:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --ink: #071116;
  --ink-soft: #0b181e;
  --panel: #0e2027;
  --panel-light: #122931;
  --line: rgba(201, 232, 230, .16);
  --text: #edf8f7;
  --muted: #a7bebd;
  --cyan: #25d4d6;
  --cyan-soft: #bffcf8;
  --gold: #d9b36e;
  --white: #fff;
  --radius: 18px;
  --shadow: 0 20px 60px rgba(0, 0, 0, .23);
}

* { box-sizing: border-box; }
html { background: var(--ink); scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--ink); font-family: Inter, system-ui, sans-serif; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--cyan); }
.container { width: min(1120px, calc(100% - 48px)); margin-inline: auto; }
.narrow { width: min(760px, calc(100% - 48px)); }
.skip-link { position: absolute; transform: translateY(-160%); background: var(--cyan); color: var(--ink); padding: 10px 16px; z-index: 99; }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(7,17,22,.91); backdrop-filter: blur(18px); border-bottom: 1px solid var(--line); }
.nav-wrap { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 700; letter-spacing: -.02em; }
.brand-mark { display: grid; place-items: center; width: 33px; height: 33px; border: 1px solid rgba(37,212,214,.65); border-radius: 9px; color: var(--cyan); font-family: 'DM Mono', monospace; font-size: 11px; }
nav { display: flex; gap: 24px; }
.nav-link { padding-block: 22px; color: var(--muted); font-size: 14px; font-weight: 500; }
.nav-link.is-active { color: var(--cyan); }
.hero { border-bottom: 1px solid var(--line); background: radial-gradient(circle at 78% 42%, rgba(37,212,214,.11), transparent 26%), linear-gradient(155deg, #071116 0%, #08161c 100%); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(280px, .6fr); gap: 64px; align-items: center; min-height: 560px; padding-block: 88px; }
.badge, .eyebrow, .section-kicker { margin: 0 0 14px; color: var(--cyan); text-transform: uppercase; letter-spacing: .12em; font-family: 'DM Mono', monospace; font-size: 11px; }
.badge { display: inline-flex; padding: 7px 10px; border: 1px solid rgba(37,212,214,.25); border-radius: 999px; background: rgba(37,212,214,.08); letter-spacing: .08em; }
h1, h2 { font-family: 'Playfair Display', Georgia, serif; line-height: 1.08; letter-spacing: -.035em; }
h1 { margin: 0; font-size: clamp(46px, 6vw, 76px); max-width: 800px; }
h1 span { color: var(--cyan); display: block; }
h2 { margin: 0; font-size: clamp(30px, 4vw, 44px); }
.hero-copy { max-width: 680px; margin: 26px 0; color: var(--muted); font-size: 18px; }
.button-row { display: flex; gap: 12px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; gap: 9px; padding: 13px 18px; border: 1px solid transparent; border-radius: 7px; font-weight: 700; font-size: 14px; transition: transform .16s ease, background .16s ease; }
.button:hover { color: var(--ink); transform: translateY(-2px); }
.button-primary { background: var(--cyan); color: var(--ink); box-shadow: 0 6px 24px rgba(37,212,214,.24); }
.button-secondary { color: var(--text); border-color: rgba(237,248,247,.3); }
.button-secondary:hover { background: rgba(237,248,247,.95); }
.microcopy { margin: 13px 0 0; color: var(--muted); font-size: 12px; }
.hero-panel { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(180deg, rgba(18,41,49,.65), rgba(8,22,28,.65)); box-shadow: var(--shadow); }
.hero-panel dl { margin: 20px 0 0; }
.hero-panel dl div { padding: 16px 0; border-top: 1px solid var(--line); }
.hero-panel dt { font: 600 37px/1 'Playfair Display', serif; color: var(--cyan-soft); }
.hero-panel dd { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.section { padding: 90px 0; }
.section-alt { background: var(--ink-soft); border-block: 1px solid var(--line); }
.section-kicker { color: var(--gold); }
.section > .container > h2 { max-width: 700px; }
.tag-grid { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 28px; }
.tag { border: 1px solid var(--line); background: rgba(255,255,255,.025); padding: 8px 12px; border-radius: 999px; color: #d7e5e4; font-size: 13px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 28px; }
.text-link { color: var(--cyan); font-weight: 600; font-size: 14px; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.content-card { padding: 25px; border: 1px solid var(--line); border-radius: 12px; background: linear-gradient(155deg, rgba(18,41,49,.75), rgba(10,28,35,.75)); transition: border-color .16s ease, transform .16s ease; }
.content-card:hover { border-color: rgba(37,212,214,.52); transform: translateY(-3px); }
.content-card .eyebrow { margin-bottom: 10px; color: var(--gold); }
.content-card h2 { font-size: 25px; }
.content-card h2 a:hover { color: var(--cyan); }
.content-card p:not(.eyebrow) { min-height: 76px; color: var(--muted); font-size: 14px; }
.callout { background: linear-gradient(96deg, rgba(37,212,214,.11), rgba(37,212,214,0)); }
.callout .container { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.callout p { color: var(--muted); }
.page-hero { padding: 92px 0 62px; border-bottom: 1px solid var(--line); background: radial-gradient(circle at 70% 0%, rgba(37,212,214,.12), transparent 26%); }
.page-hero.compact { padding: 82px 0 56px; }
.page-hero h1 { font-size: clamp(42px, 5vw, 65px); }
.page-hero h1 span { display: inline; }
.page-hero p:not(.section-kicker):not(.eyebrow) { max-width: 720px; color: var(--muted); font-size: 18px; }
.search-label { display: block; margin-bottom: 8px; color: var(--muted); font-size: 14px; }
.search-input { width: 100%; padding: 14px 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); color: var(--text); font: inherit; }
.search-input:focus { outline: 2px solid var(--cyan); outline-offset: 2px; }
.search-status { color: var(--muted); font-size: 13px; margin: 12px 0 22px; }
.empty-note { grid-column: 1 / -1; padding: 28px; border: 1px dashed var(--line); border-radius: 12px; color: var(--muted); }
.embed-notice { margin-bottom: 18px; padding: 12px 16px; border-left: 3px solid var(--cyan); background: rgba(37,212,214,.08); color: var(--muted); font-size: 14px; }
.tool-frame { width: 100%; min-height: 780px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.support-note { color: var(--muted); font-size: 14px; }
.prose h2 { margin: 40px 0 14px; font-size: 31px; }
.prose p { color: var(--muted); }
.prose code, .empty-note code { color: var(--cyan-soft); background: rgba(37,212,214,.08); padding: 2px 5px; border-radius: 3px; }
.site-footer { border-top: 1px solid var(--line); background: #051015; }
.footer-grid { display: grid; grid-template-columns: 1.35fr .55fr 1.15fr; gap: 58px; padding: 60px 0 36px; }
.footer-grid h2 { margin: 0 0 12px; font: 600 12px/1.2 Inter, sans-serif; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.footer-grid p, .footer-grid a:not(.brand) { display: block; color: var(--muted); font-size: 13px; }
.footer-grid a:not(.brand) { margin: 7px 0; }
.footer-bottom { border-top: 1px solid var(--line); padding: 18px 0; color: #73908f; font-size: 12px; }

@media (max-width: 820px) {
  .container, .narrow { width: min(100% - 32px, 1120px); }
  .nav-wrap { min-height: 64px; }
  nav { gap: 12px; }
  .nav-link { padding-block: 18px; font-size: 12px; }
  .hero-grid, .callout .container { grid-template-columns: 1fr; gap: 36px; }
  .hero-grid { min-height: unset; padding-block: 65px; }
  .card-grid { grid-template-columns: 1fr; }
  .section-heading { align-items: start; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .tool-frame { min-height: 620px; }
}

@media (max-width: 500px) {
  .brand { font-size: 15px; }
  .brand-mark { width: 29px; height: 29px; }
  nav { gap: 10px; }
  nav .nav-link:nth-child(4) { display: none; }
  .section, .page-hero { padding-block: 62px; }
  .hero-copy, .page-hero p:not(.section-kicker):not(.eyebrow) { font-size: 16px; }
}