:root {
  color-scheme: dark;
  --ink: #f4f1e8;
  --muted: #aab7c6;
  --line: rgba(232, 241, 250, .14);
  --panel: #111e2c;
  --panel-2: #162535;
  --bg: #07111d;
  --accent: #5ce1c3;
  --accent-ink: #031711;
  --warm: #ffbb78;
  --max: 1180px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); line-height: 1.65; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; background: radial-gradient(circle at 74% 5%, rgba(42, 127, 147, .18), transparent 34rem), linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px); background-size: auto, 48px 48px, 48px 48px; mask-image: linear-gradient(to bottom, black, transparent 72%); }
a { color: inherit; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .9em; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 10; background: var(--accent); color: var(--accent-ink); padding: .7rem 1rem; border-radius: .5rem; font-weight: 800; }
.skip-link:focus { top: 1rem; }
.site-header, .site-footer, main { width: min(calc(100% - 2.5rem), var(--max)); margin-inline: auto; position: relative; }
.site-header { display: flex; align-items: center; justify-content: space-between; min-height: 84px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: .72rem; text-decoration: none; letter-spacing: -.025em; font-weight: 720; font-size: 1.08rem; }
.brand b { color: var(--accent); font-weight: 680; }
.brand-mark { display: inline-grid; grid-template-columns: repeat(3, 5px); align-items: end; gap: 3px; width: 22px; height: 22px; padding: 3px; border: 1px solid rgba(92, 225, 195, .55); border-radius: 6px; }
.brand-mark span { display: block; background: var(--accent); border-radius: 2px; }
.brand-mark span:nth-child(1) { height: 6px; } .brand-mark span:nth-child(2) { height: 13px; } .brand-mark span:nth-child(3) { height: 9px; }
.locale-nav { display: flex; align-items: center; gap: .3rem; padding: .28rem; border: 1px solid var(--line); border-radius: 999px; font-size: .82rem; }
.locale-nav a, .locale-nav span { padding: .35rem .7rem; border-radius: 999px; text-decoration: none; }
.locale-nav span { background: rgba(255,255,255,.09); color: var(--ink); }
.locale-nav a { color: var(--muted); }
.locale-nav a:hover { color: var(--ink); }
.hero { min-height: 640px; display: grid; grid-template-columns: 1.35fr .65fr; gap: clamp(3rem, 7vw, 7rem); align-items: center; padding: 7.5rem 0 6rem; }
.hero-copy { max-width: 780px; }
.eyebrow { margin: 0 0 1rem; color: var(--accent); text-transform: uppercase; letter-spacing: .16em; font-size: .72rem; font-weight: 800; }
h1, h2, h3 { font-weight: 680; line-height: 1.04; letter-spacing: -.045em; margin: 0; text-wrap: balance; overflow-wrap: anywhere; }
h1 { font-size: clamp(3.4rem, 7vw, 6.5rem); max-width: 11ch; }
h2 { font-size: clamp(2.25rem, 4vw, 4rem); max-width: 14ch; }
h3 { font-size: 1.75rem; }
.lede { font-size: clamp(1.08rem, 1.7vw, 1.35rem); color: #c5d0db; max-width: 66ch; margin: 1.8rem 0 0; }
.hero-copy .actions { margin-top: 2.2rem; }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: .72rem 1.15rem; border-radius: .72rem; border: 1px solid transparent; text-decoration: none; font-size: .92rem; font-weight: 760; }
.button.primary { background: var(--accent); color: var(--accent-ink); }
.button.secondary { border-color: var(--line); background: rgba(255,255,255,.035); }
.button:hover { transform: translateY(-1px); }
.button:focus-visible, a:focus-visible { outline: 3px solid var(--warm); outline-offset: 4px; }
.protocol-card { border: 1px solid var(--line); background: linear-gradient(145deg, rgba(22,37,53,.92), rgba(12,24,36,.78)); border-radius: 1.2rem; padding: 1.2rem; box-shadow: 0 26px 80px rgba(0,0,0,.25); }
.protocol-line { display: flex; justify-content: space-between; gap: 1rem; padding: 1.1rem .3rem; border-bottom: 1px solid var(--line); }
.protocol-line span, .protocol-card p { color: var(--muted); font-size: .82rem; }
.protocol-line strong { font-size: .88rem; }
.protocol-card p { margin: 1rem .3rem 0; }
.section { padding: 7rem 0; }
.section-heading { max-width: 720px; margin-bottom: 3rem; }
.section-heading > p:last-child { color: var(--muted); font-size: 1.06rem; }
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.service-card { border: 1px solid var(--line); background: rgba(17,30,44,.86); border-radius: 1.1rem; padding: clamp(1.5rem, 4vw, 2.5rem); min-height: 380px; display: flex; flex-direction: column; }
.service-card h3 { margin-top: 2.8rem; }
.service-card p { color: var(--muted); }
.service-card code { display: block; margin: 1rem 0 1.8rem; padding: .8rem; background: rgba(0,0,0,.25); border-radius: .5rem; overflow-wrap: anywhere; color: #d8e8f6; }
.service-topline { display: flex; justify-content: space-between; gap: 1rem; color: var(--muted); font-size: .8rem; }
.status-dot { color: var(--accent); }
.status-dot::before { content: ""; width: .46rem; height: .46rem; display: inline-block; margin-right: .42rem; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(92,225,195,.12); }
.text-link { margin-top: auto; color: var(--accent); text-decoration: none; font-weight: 750; }
.split { display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(3rem, 8vw, 8rem); }
.stack > *:first-child { margin-top: 0; }
.stack p { color: #c3ced9; }
.notice { padding: 1rem 1.1rem; border-left: 3px solid var(--accent); background: rgba(92,225,195,.07); color: var(--ink) !important; }
.ruled { border-top: 1px solid var(--line); }
.check-list, .plain-list { padding: 0; margin: 0; list-style: none; }
.check-list li, .plain-list li { padding: 1.05rem 0 1.05rem 2rem; border-bottom: 1px solid var(--line); position: relative; }
.check-list li::before { content: "✓"; position: absolute; left: .2rem; color: var(--accent); font-weight: 900; }
.plain-list li::before { content: "—"; position: absolute; left: .2rem; color: var(--warm); }
.technical { display: grid; grid-template-columns: .8fr 1.2fr; column-gap: clamp(3rem, 8vw, 8rem); row-gap: 1.5rem; align-items: start; }
.technical-links { border-top: 1px solid var(--line); }
.technical-links a { display: flex; justify-content: space-between; gap: 1rem; padding: 1.15rem 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.technical-links code { color: var(--muted); }
.muted, .small { color: var(--muted); font-size: .85rem; }
.site-footer { min-height: 145px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 2rem; color: var(--muted); font-size: .8rem; }
.site-footer nav { display: flex; gap: 1rem; }
.service-hero { max-width: 880px; padding: 7rem 0 4rem; }
.service-hero h1 { max-width: 14ch; }
.service-hero > p:last-child { max-width: 70ch; color: var(--muted); }
.back-link { display: inline-block; color: var(--muted); margin-bottom: 3rem; text-decoration: none; }
.contract-strip { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: .9rem; overflow: hidden; }
.contract-strip div { padding: 1.2rem; background: var(--panel); border-right: 1px solid var(--line); }
.contract-strip div:last-child { border: 0; }
.contract-strip span, .endpoint-block span, .source-box span { display: block; color: var(--muted); font-size: .7rem; text-transform: uppercase; letter-spacing: .12em; margin-bottom: .3rem; }
.contract-strip strong { font-size: .9rem; }
.endpoint-block { margin-top: 1rem; padding: 1.3rem; border: 1px solid var(--line); background: rgba(0,0,0,.18); border-radius: .9rem; }
.endpoint-block code { font-size: clamp(.85rem, 2vw, 1.05rem); color: var(--accent); overflow-wrap: anywhere; }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(3rem, 7vw, 7rem); }
.detail-grid h2 { font-size: 2.4rem; margin-bottom: 2rem; }
.field-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.field-list li { display: grid; grid-template-columns: 1.25fr .75fr; gap: 1rem; padding: .9rem 0; border-bottom: 1px solid var(--line); }
.field-list p { margin: 0; color: var(--muted); font-size: .84rem; text-align: right; }
.field-tag { margin-left: .6rem; color: var(--muted); font-size: .68rem; }
.code-wrap { display: block; margin-top: 1.5rem; background: var(--panel); padding: 1rem; border-radius: .7rem; overflow-wrap: anywhere; color: #d9e8f6; }
.source-box { border: 1px solid var(--line); border-radius: .9rem; padding: 1.5rem; background: rgba(255,187,120,.05); }
.source-box p { margin: 0; }
.integration { display: flex; align-items: end; justify-content: space-between; gap: 3rem; }
.integration > div:first-child { max-width: 760px; }
.choice-page { min-height: 100svh; display: grid; place-items: center; padding: 1rem 0; }
.choice-card { width: min(680px, 100%); text-align: center; border: 1px solid var(--line); background: rgba(17,30,44,.82); border-radius: 1.2rem; padding: clamp(2rem, 5vw, 3.5rem); box-shadow: 0 28px 90px rgba(0,0,0,.3); }
.brand.centered { margin-bottom: 2.5rem; }
.choice-card h1 { max-width: none; font-size: clamp(2.7rem, 7vw, 4.6rem); }
.choice-card h1 span { color: var(--muted); }
.choice-card > p:not(.eyebrow) { color: var(--muted); }
.choice-actions { display: flex; justify-content: center; gap: .8rem; margin: 2rem 0 1rem; }
@media (max-width: 760px) {
  .site-header, .site-footer, main { width: min(calc(100% - 1.5rem), var(--max)); }
  .site-header { min-height: 72px; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding: 5.5rem 0 4rem; gap: 3rem; }
  h1 { font-size: clamp(3rem, 13vw, 4.7rem); }
  .section { padding: 4.5rem 0; }
  .service-grid, .split, .technical, .detail-grid { grid-template-columns: 1fr; gap: 2.3rem; }
  .service-card { min-height: 350px; }
  .contract-strip { grid-template-columns: 1fr; }
  .contract-strip div { border-right: 0; border-bottom: 1px solid var(--line); }
  .integration, .site-footer { align-items: flex-start; flex-direction: column; justify-content: center; }
  .site-footer { padding: 2.2rem 0; }
  .field-list li { grid-template-columns: 1fr; gap: .2rem; }
  .field-list p { text-align: left; }
}
@media (max-width: 430px) {
  .brand { font-size: .92rem; }
  .locale-nav a, .locale-nav span { padding: .3rem .5rem; }
  .actions, .choice-actions { flex-direction: column; }
  .button { width: 100%; }
  .site-footer nav { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .button:hover { transform: none; } }