:root {
  --sn-canvas: #f4f0e7;
  --sn-paper: #fffdf8;
  --sn-ink: #14202b;
  --sn-muted: #5d6870;
  --sn-navy: #102c3a;
  --sn-navy-deep: #091c27;
  --sn-cyan: #5ce1e6;
  --sn-cyan-dark: #157980;
  --sn-red: #e05a50;
  --sn-amber: #d79b36;
  --sn-green: #399875;
  --sn-line: rgba(20, 32, 43, .14);
  --sn-container: 1180px;
  --sn-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sn-display: "Instrument Serif", Georgia, serif;
  --sn-sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--sn-canvas); color: var(--sn-ink); font-family: var(--sn-sans); font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
.sn-container { width: min(var(--sn-container), calc(100% - 48px)); margin-inline: auto; }
.sn-mono { font-family: var(--sn-mono); font-size: .72rem; letter-spacing: .06em; }
.sn-site-header { position: sticky; top: 0; z-index: 20; background: rgba(244,240,231,.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--sn-line); }
.sn-nav-wrap { min-height: 76px; display: flex; align-items: center; gap: 28px; }
.sn-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--sn-navy); text-decoration: none; font-weight: 800; letter-spacing: -.04em; white-space: nowrap; }
.sn-brand-mark { display: block; width: 31px; height: 31px; }
.sn-brand-sub { display: block; color: var(--sn-muted); font-size: .62rem; font-family: var(--sn-mono); font-weight: 500; letter-spacing: .02em; }
.sn-desktop-nav { display: flex; gap: 19px; margin-left: auto; }
.sn-desktop-nav a { color: var(--sn-muted); font-size: .82rem; text-decoration: none; }
.sn-desktop-nav a:hover, .sn-desktop-nav a.is-current { color: var(--sn-ink); }
.sn-desktop-nav a.is-current { text-decoration: underline; text-underline-offset: 5px; text-decoration-color: var(--sn-red); }
.sn-button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 10px 21px; border: 1px solid transparent; border-radius: 3px; font-size: .9rem; font-weight: 750; text-decoration: none; transition: transform .18s ease, box-shadow .18s ease, background .18s ease; }
.sn-button:hover { transform: translateY(-2px); }
.sn-button:focus-visible, .sn-desktop-nav a:focus-visible, .sn-mobile-menu summary:focus-visible, .sn-footer a:focus-visible { outline: 3px solid var(--sn-cyan); outline-offset: 3px; }
/* Ticket 3030: every focusable element keeps a visible focus ring, not just
   the four selectors above, and the skip link is the first thing Tab reaches. */
.sn-brochure a:focus-visible, .sn-brochure button:focus-visible, .sn-brochure summary:focus-visible, .sn-brochure input:focus-visible, .sn-brochure [tabindex]:focus-visible { outline: 3px solid var(--sn-cyan); outline-offset: 3px; }
.sn-skip-link { position: absolute; left: -9999px; top: 0; z-index: 100; padding: 12px 18px; background: var(--sn-navy-deep); color: #fffdf8; font-weight: 700; text-decoration: none; }
.sn-skip-link:focus { left: 8px; top: 8px; outline: 3px solid var(--sn-cyan); outline-offset: 3px; }
.sn-button--small { min-height: 40px; padding: 7px 14px; font-size: .78rem; }
.sn-button--cyan { background: var(--sn-cyan); color: var(--sn-navy-deep); box-shadow: 0 7px 20px rgba(21,121,128,.16); }
.sn-button--outline-light { border-color: rgba(255,255,255,.42); color: #fff; }
.sn-button--outline-light:hover { background: rgba(255,255,255,.08); }
.sn-mobile-menu { display: none; margin-left: auto; position: relative; }
.sn-mobile-menu summary { list-style: none; width: 42px; height: 42px; cursor: pointer; padding: 10px; border: 1px solid var(--sn-line); border-radius: 3px; }
.sn-mobile-menu summary::-webkit-details-marker { display: none; }
.sn-mobile-menu summary span { display: block; height: 2px; margin: 4px 0; background: var(--sn-navy); }
.sn-mobile-panel { position: absolute; top: 51px; right: 0; width: min(300px, calc(100vw - 32px)); padding: 14px; background: var(--sn-paper); border: 1px solid var(--sn-line); box-shadow: 0 18px 50px rgba(9,28,39,.18); }
.sn-mobile-panel nav { display: grid; gap: 3px; }
.sn-mobile-panel a { padding: 9px 8px; text-decoration: none; }
.sn-mobile-panel a:hover { background: var(--sn-canvas); }
.sn-mobile-panel .sn-button { margin-top: 7px; }
.sn-page-hero { padding: 92px 0 86px; color: #fff; background: var(--sn-navy-deep); background-image: linear-gradient(110deg, rgba(9,28,39,.98), rgba(16,44,58,.9)), repeating-linear-gradient(0deg, transparent 0 30px, rgba(92,225,230,.06) 31px), repeating-linear-gradient(90deg, transparent 0 30px, rgba(92,225,230,.06) 31px); }
.sn-page-hero-grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(330px, .98fr); gap: 72px; align-items: center; }
.sn-kicker { margin: 0 0 15px; color: var(--sn-red); font-family: var(--sn-mono); font-size: .72rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
.sn-page-hero .sn-kicker { color: var(--sn-cyan); }
.sn-page-hero h1 { max-width: 11ch; margin: 0; font-family: var(--sn-display); font-size: clamp(3.2rem, 7vw, 6.1rem); font-weight: 400; line-height: .94; letter-spacing: -.035em; }
.sn-lede { max-width: 57ch; margin: 27px 0 31px; color: rgba(255,255,255,.76); font-size: 1.1rem; }
.sn-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.sn-signal-card { padding: 21px; border: 1px solid rgba(92,225,230,.35); background: rgba(9,28,39,.68); box-shadow: 18px 18px 0 rgba(224,90,80,.18); font-family: var(--sn-mono); }
.sn-signal-card-head, .sn-signal-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; color: rgba(255,255,255,.55); font-size: .68rem; }
.sn-signal-card-head { padding-bottom: 17px; border-bottom: 1px solid rgba(255,255,255,.12); }
.sn-live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--sn-cyan); box-shadow: 0 0 0 5px rgba(92,225,230,.12); }
.sn-signal-row { display: flex; align-items: center; gap: 12px; padding: 19px 0; border-bottom: 1px solid rgba(255,255,255,.12); color: #fff; font-size: .82rem; }
.sn-signal-row b { margin-left: auto; color: var(--sn-cyan); font-size: .62rem; font-weight: 500; }
.sn-signal-wave { width: 38px; height: 16px; background: linear-gradient(135deg, transparent 0 18%, var(--sn-cyan) 19% 23%, transparent 24% 34%, var(--sn-cyan) 35% 39%, transparent 40% 55%, var(--sn-cyan) 56% 60%, transparent 61%); }
.sn-signal-foot { padding-top: 17px; }
.sn-status-chip { display: inline-block; padding: 3px 7px; border: 1px solid rgba(20,32,43,.18); color: var(--sn-muted); font-family: var(--sn-mono); font-size: .65rem; letter-spacing: .04em; text-transform: uppercase; }
.sn-status-chip--good { border-color: rgba(57,152,117,.45); color: #86dfbc; }
.sn-section { padding: 94px 0; border-bottom: 1px solid var(--sn-line); }
.sn-section--grid { background: rgba(255,253,248,.5); }
.sn-narrow { max-width: 800px; }
.sn-section-lede { margin: 0; max-width: 28ch; font-family: var(--sn-display); font-size: clamp(2.2rem, 4vw, 4rem); line-height: 1.02; letter-spacing: -.025em; }
.sn-section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 39px; }
.sn-section-heading h2, .sn-band-grid h2, .sn-final-cta h2 { max-width: 14ch; margin: 0; font-family: var(--sn-display); font-size: clamp(2.5rem, 5vw, 4.4rem); font-weight: 400; line-height: .98; letter-spacing: -.03em; }
.sn-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.sn-card { min-height: 250px; padding: 25px; background: var(--sn-paper); border: 1px solid var(--sn-line); }
.sn-card:hover { border-color: rgba(21,121,128,.45); }
.sn-card-index { color: var(--sn-red); font-family: var(--sn-mono); font-size: .73rem; }
.sn-card h3 { margin: 37px 0 9px; font-size: 1.18rem; }
.sn-card p { margin: 0 0 18px; color: var(--sn-muted); font-size: .93rem; }
.sn-benchmark-section { background: var(--sn-paper); }
.sn-benchmark-table { overflow-x: auto; border: 1px solid var(--sn-line); background: rgba(255,253,248,.72); }
.sn-benchmark-row { display: grid; grid-template-columns: .8fr 1.35fr 1.15fr .9fr; gap: 18px; align-items: center; min-width: 760px; padding: 17px 19px; border-top: 1px solid var(--sn-line); color: var(--sn-muted); font-size: .84rem; line-height: 1.4; }
.sn-benchmark-row:first-child { border-top: 0; }
.sn-benchmark-row--head { color: var(--sn-muted); background: #eae5d9; font-family: var(--sn-mono); font-size: .62rem; letter-spacing: .08em; text-transform: uppercase; }
.sn-benchmark-row strong { color: var(--sn-ink); }
.sn-benchmark-status { color: var(--sn-red); font-family: var(--sn-mono); font-size: .68rem; }
.sn-hardware-links { padding-top: 0; background: var(--sn-paper); }
.sn-pricing-section { background: var(--sn-canvas); }
.sn-pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; align-items: stretch; }
.sn-pricing-card { display: flex; flex-direction: column; min-height: 520px; padding: 25px; border: 1px solid var(--sn-line); background: var(--sn-paper); }
.sn-pricing-card--featured { border-color: var(--sn-cyan-dark); box-shadow: 8px 8px 0 rgba(21,121,128,.12); }
.sn-pricing-card-top { display: flex; justify-content: space-between; align-items: center; min-height: 25px; }
.sn-pricing-card h3 { margin: 29px 0 7px; font-family: var(--sn-display); font-size: 2.2rem; font-weight: 400; }
.sn-pricing-price { margin: 0; color: var(--sn-cyan-dark); font-family: var(--sn-display); font-size: 2.5rem; line-height: 1; }
.sn-pricing-price small { margin-left: 5px; color: var(--sn-muted); font-family: var(--sn-sans); font-size: .78rem; }
.sn-pricing-summary { min-height: 55px; margin: 18px 0 14px; color: var(--sn-muted); font-size: .89rem; }
.sn-pricing-list { display: grid; gap: 9px; margin: 0 0 25px; padding: 0; list-style: none; color: var(--sn-ink); font-size: .86rem; }
.sn-pricing-list li::before { margin-right: 8px; color: var(--sn-red); content: '＋'; font-family: var(--sn-mono); }
.sn-billing-options { display: grid; gap: 7px; margin: 0 0 18px; padding: 0; border: 0; }
.sn-billing-options legend { margin-bottom: 5px; color: var(--sn-muted); font-family: var(--sn-mono); font-size: .64rem; letter-spacing: .08em; text-transform: uppercase; }
.sn-billing-option { display: flex; gap: 8px; align-items: flex-start; padding: 8px 9px; border: 1px solid var(--sn-line); cursor: pointer; }
.sn-billing-option:has(input:checked) { border-color: var(--sn-cyan-dark); background: rgba(99, 205, 196, .11); }
.sn-billing-option input { margin: 3px 0 0; accent-color: var(--sn-cyan-dark); }
.sn-billing-option span { display: flex; flex: 1; justify-content: space-between; gap: 8px; color: var(--sn-ink); font-size: .78rem; }
.sn-billing-option small { color: var(--sn-muted); font-size: .72rem; text-align: right; }
.sn-billing-option--unavailable { cursor: not-allowed; opacity: .55; }
.sn-pricing-card > .sn-button { width: 100%; margin-top: auto; cursor: pointer; }
.sn-button--outline-dark { border-color: var(--sn-cyan-dark); color: var(--sn-cyan-dark); }
.sn-button--muted { color: var(--sn-muted); background: #eae5d9; }
.sn-pricing-note, .sn-pricing-footnote { color: var(--sn-muted); font-size: .75rem; line-height: 1.45; }
.sn-pricing-note { margin: 10px 0 0; text-align: center; }
.sn-pricing-footnote { max-width: 75ch; margin: 22px 0 0; }
.sn-pricing-compare { max-width: 900px; }
.sn-section--band { color: #fff; background: var(--sn-navy); }
.sn-band-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; align-items: center; }
.sn-band-grid .sn-kicker { color: var(--sn-cyan); }
.sn-band-grid > p { max-width: 55ch; margin: 0; color: rgba(255,255,255,.72); font-size: 1.06rem; }
.sn-final-cta { padding: 70px 0; color: #fff; background: var(--sn-red); }
.sn-final-cta .sn-kicker { color: rgba(255,255,255,.75); }
.sn-final-cta h2 { max-width: 13ch; }
.sn-final-cta-grid { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.sn-final-cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.sn-footer { padding: 56px 0 25px; color: rgba(255,255,255,.74); background: var(--sn-navy-deep); }
.sn-footer-grid { display: grid; grid-template-columns: 1.2fr repeat(3, 1fr); gap: 35px; }
.sn-brand--footer { color: #fff; font-size: 1.2rem; }
.sn-footer p { max-width: 27ch; margin: 14px 0 0; font-size: .84rem; }
.sn-footer h2 { margin: 0 0 13px; color: var(--sn-cyan); font-family: var(--sn-mono); font-size: .67rem; letter-spacing: .13em; text-transform: uppercase; }
.sn-footer a { display: block; width: fit-content; margin: 6px 0; color: rgba(255,255,255,.75); font-size: .84rem; text-decoration: none; }
.sn-footer a:hover { color: #fff; }
.sn-footer-note { color: rgba(255,255,255,.48); font-size: .73rem !important; }
.sn-footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 48px; padding-top: 15px; border-top: 1px solid rgba(255,255,255,.14); color: rgba(255,255,255,.45); font-family: var(--sn-mono); font-size: .65rem; }
@media (max-width: 980px) { .sn-desktop-nav { gap: 10px; } .sn-page-hero-grid { gap: 45px; } .sn-card-grid, .sn-pricing-grid { grid-template-columns: repeat(2, 1fr); } .sn-footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 760px) { .sn-container { width: min(var(--sn-container), calc(100% - 32px)); } .sn-desktop-nav, .sn-nav-cta { display: none; } .sn-mobile-menu { display: block; } .sn-page-hero { padding: 65px 0; } .sn-page-hero-grid, .sn-band-grid { grid-template-columns: 1fr; } .sn-page-hero h1 { max-width: 12ch; } .sn-signal-card { max-width: 580px; } .sn-section { padding: 66px 0; } .sn-section-heading { display: block; } .sn-section-heading h2 { margin-top: 14px; } .sn-card-grid, .sn-pricing-grid { grid-template-columns: 1fr; } .sn-pricing-card { min-height: 0; } .sn-band-grid { gap: 25px; } .sn-final-cta-grid { display: block; } .sn-final-cta-actions { margin-top: 28px; } }
@media (max-width: 440px) { .sn-brand-sub { display: none; } .sn-page-hero h1 { font-size: 3.25rem; } .sn-signal-card { padding: 15px; } .sn-signal-row { font-size: .74rem; } .sn-signal-row b { font-size: .54rem; } .sn-footer-grid { grid-template-columns: 1fr; gap: 27px; } .sn-footer-bottom { display: block; } .sn-footer-bottom span { display: block; margin-top: 5px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; } }

/* ── Overview narrative ── */
.sn-overview-hero { padding: 92px 0 100px; color: #fff; background: var(--sn-navy-deep); background-image: radial-gradient(650px 500px at 86% 20%, rgba(92,225,230,.17), transparent 68%), linear-gradient(140deg, rgba(9,28,39,.98), rgba(16,44,58,.94)); }
.sn-overview-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, .82fr); gap: 82px; align-items: center; }
.sn-overview-hero h1 { max-width: 10ch; margin: 0; font-family: var(--sn-display); font-size: clamp(3.6rem, 7vw, 6.9rem); font-weight: 400; line-height: .9; letter-spacing: -.045em; }
.sn-overview-lede { max-width: 59ch; margin: 28px 0 31px; color: rgba(255,255,255,.76); font-size: 1.08rem; }
.sn-overview-text-link { display: inline-flex; align-items: center; gap: 8px; min-height: 48px; margin-left: 17px; color: #fff; font-size: .9rem; font-weight: 700; text-decoration: none; border-bottom: 1px solid rgba(92,225,230,.65); }
.sn-overview-text-link:hover, .sn-inline-link:hover { color: var(--sn-cyan); }
.sn-overview-matrix { padding: 19px; border: 1px solid rgba(92,225,230,.35); background: rgba(9,28,39,.7); box-shadow: 17px 17px 0 rgba(224,90,80,.22); font-family: var(--sn-mono); }
.sn-overview-matrix-label { display: flex; justify-content: space-between; gap: 10px; padding-bottom: 16px; color: rgba(255,255,255,.55); font-size: .63rem; letter-spacing: .08em; }
.sn-overview-matrix-row { display: grid; grid-template-columns: 24px 1fr auto; align-items: center; gap: 10px; min-height: 58px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.86); font-size: .75rem; }
.sn-overview-matrix-row.is-incident { color: #fff; background: rgba(224,90,80,.12); }
.sn-matrix-icon { display: inline-grid; place-items: center; width: 19px; height: 19px; border: 1px solid rgba(92,225,230,.7); border-radius: 50%; color: var(--sn-cyan); font-family: var(--sn-sans); font-size: .7rem; }
.is-incident .sn-matrix-icon { border-color: var(--sn-red); color: #fff; background: var(--sn-red); }
.sn-matrix-state { color: var(--sn-cyan); font-size: .59rem; }
.is-incident .sn-matrix-state { color: #ff9d91; }
.sn-overview-matrix-note { display: flex; align-items: center; gap: 9px; padding-top: 16px; color: rgba(255,255,255,.57); font-size: .62rem; line-height: 1.4; }
.sn-section-heading { align-items: center; }
.sn-section-heading h2 { max-width: 15ch; }
.sn-overview-heading-note { max-width: 21ch; margin: 0; color: var(--sn-muted); font-family: var(--sn-mono); font-size: .71rem; line-height: 1.5; text-transform: uppercase; }
.sn-failure-section { background: var(--sn-paper); }
.sn-failure-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; overflow: hidden; background: var(--sn-line); border: 1px solid var(--sn-line); }
.sn-failure-card { min-height: 245px; padding: 27px; background: var(--sn-paper); }
.sn-failure-marker { display: block; width: 10px; height: 10px; margin-bottom: 35px; border-radius: 50%; background: var(--sn-red); box-shadow: 0 0 0 6px rgba(224,90,80,.12); }
.sn-failure-card h3 { max-width: 18ch; margin: 0 0 10px; font-size: 1.08rem; line-height: 1.2; }
.sn-failure-card p { min-height: 54px; margin: 0 0 16px; color: var(--sn-muted); font-size: .88rem; line-height: 1.5; }
.sn-failure-card a, .sn-inline-link { color: var(--sn-cyan-dark); font-size: .8rem; font-weight: 800; text-decoration: none; }
.sn-failure-card a:hover { color: var(--sn-red); }
.sn-loop-section { background: #eae5d9; }
.sn-loop-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 0; padding: 0; list-style: none; counter-reset: sn-loop; }
.sn-loop-grid li { position: relative; min-height: 220px; padding: 25px 27px 20px; border-top: 1px solid var(--sn-ink); border-right: 1px solid var(--sn-line); }
.sn-loop-grid li:last-child { border-right: 0; }
.sn-loop-number { display: block; margin-bottom: 42px; color: var(--sn-red); font-family: var(--sn-mono); font-size: .72rem; }
.sn-loop-grid h3 { margin: 0 0 9px; font-size: 1.05rem; }
.sn-loop-grid p { margin: 0; color: var(--sn-muted); font-size: .88rem; line-height: 1.5; }
.sn-family-section { background: var(--sn-canvas); }
.sn-overview-count { display: flex; align-items: baseline; gap: 10px; margin: 0; color: var(--sn-muted); font-family: var(--sn-mono); font-size: .7rem; text-transform: uppercase; }
.sn-overview-count strong { color: var(--sn-red); font-family: var(--sn-display); font-size: 4.2rem; font-weight: 400; line-height: .8; }
.sn-family-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 13px; }
.sn-family-card { padding: 23px; border: 1px solid var(--sn-line); background: rgba(255,253,248,.68); }
.sn-family-card:hover { border-color: rgba(21,121,128,.48); }
.sn-family-card-head { display: flex; align-items: start; justify-content: space-between; gap: 15px; }
.sn-family-card h3 { max-width: 23ch; margin: 0; font-size: 1rem; }
.sn-family-count { color: var(--sn-red); font-family: var(--sn-mono); font-size: .72rem; }
.sn-family-card p { max-width: 50ch; margin: 12px 0 18px; color: var(--sn-muted); font-size: .88rem; line-height: 1.5; }
.sn-family-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.sn-family-tags span { padding: 3px 7px; border: 1px solid var(--sn-line); color: var(--sn-muted); font-family: var(--sn-mono); font-size: .61rem; text-transform: uppercase; }
.sn-source-note { margin: 22px 0 0; color: var(--sn-muted); font-family: var(--sn-mono); font-size: .67rem; line-height: 1.55; }
.sn-incident-section { color: #fff; background: var(--sn-navy); }
.sn-incident-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 100px; align-items: center; }
.sn-incident-grid h2 { max-width: 12ch; margin: 0; font-family: var(--sn-display); font-size: clamp(2.7rem, 5vw, 4.7rem); font-weight: 400; line-height: .95; letter-spacing: -.03em; }
.sn-incident-grid p { margin: 0 0 23px; color: rgba(255,255,255,.72); font-size: 1rem; }
.sn-incident-grid .sn-kicker { color: var(--sn-cyan); }
.sn-incident-grid .sn-inline-link { color: var(--sn-cyan); }
.sn-overview-dual-section { background: var(--sn-paper); }
.sn-dual-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.sn-overview-panel { min-height: 370px; padding: 32px; border: 1px solid var(--sn-line); }
.sn-overview-panel h2 { max-width: 14ch; margin: 0 0 20px; font-family: var(--sn-display); font-size: clamp(2.25rem, 4vw, 3.6rem); font-weight: 400; line-height: .98; }
.sn-overview-panel p:not(.sn-kicker) { max-width: 54ch; color: var(--sn-muted); font-size: .94rem; }
.sn-overview-panel--dark { color: #fff; background: var(--sn-navy-deep); border-color: var(--sn-navy-deep); }
.sn-overview-panel--dark .sn-kicker { color: var(--sn-cyan); }
.sn-overview-panel--dark p:not(.sn-kicker) { color: rgba(255,255,255,.7); }
.sn-panel-links { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 28px; }
.sn-panel-links .sn-inline-link { color: var(--sn-cyan-dark); }
.sn-tier-section { background: #eae5d9; }
.sn-tier-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }
.sn-tier-card { min-height: 235px; padding: 25px; border: 1px solid var(--sn-line); background: rgba(255,253,248,.7); }
.sn-tier-card.is-featured { color: #fff; background: var(--sn-navy); border-color: var(--sn-navy); }
.sn-tier-card-top { display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.sn-tier-card h3 { margin: 0; font-family: var(--sn-mono); font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; }
.sn-status-chip--cyan { border-color: rgba(92,225,230,.55); color: var(--sn-cyan); }
.sn-tier-cap { margin: 35px 0 8px; font-size: .95rem; }
.sn-tier-cap strong { font-family: var(--sn-mono); font-size: .8rem; }
.sn-tier-cadence { margin: 0 0 17px; color: var(--sn-red); font-family: var(--sn-mono); font-size: .7rem; text-transform: uppercase; }
.is-featured .sn-tier-cadence { color: var(--sn-cyan); }
.sn-tier-features { margin: 0; color: var(--sn-muted); font-size: .83rem; line-height: 1.45; }
.is-featured .sn-tier-features { color: rgba(255,255,255,.7); }
.sn-tier-section > .sn-container > .sn-source-note { max-width: 75ch; }
.sn-faq-section { background: var(--sn-paper); }
.sn-faq-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 90px; }
.sn-faq-grid h2 { max-width: 11ch; margin: 0; font-family: var(--sn-display); font-size: clamp(2.8rem, 5vw, 4.5rem); font-weight: 400; line-height: .95; }
.sn-faq-list { border-top: 1px solid var(--sn-line); }
.sn-faq-list details { border-bottom: 1px solid var(--sn-line); }
.sn-faq-list summary { padding: 18px 35px 18px 0; cursor: pointer; list-style: none; font-size: .95rem; font-weight: 750; }
.sn-faq-list summary::-webkit-details-marker { display: none; }
.sn-faq-list summary::after { float: right; color: var(--sn-red); content: "+"; font-family: var(--sn-mono); }
.sn-faq-list details[open] summary::after { content: "−"; }
.sn-faq-list details p { max-width: 70ch; margin: -4px 0 19px; color: var(--sn-muted); font-size: .88rem; }
@media (max-width: 980px) { .sn-overview-hero-grid { gap: 48px; } .sn-loop-grid { grid-template-columns: repeat(2, 1fr); } .sn-loop-grid li:nth-child(2) { border-right: 0; } .sn-loop-grid li:nth-child(n+3) { border-top: 1px solid var(--sn-line); } .sn-incident-grid, .sn-faq-grid { gap: 50px; } }
@media (max-width: 760px) { .sn-overview-hero { padding: 65px 0 74px; } .sn-overview-hero-grid, .sn-incident-grid, .sn-dual-grid, .sn-faq-grid { grid-template-columns: 1fr; } .sn-overview-hero h1 { max-width: 11ch; } .sn-overview-text-link { margin-left: 0; } .sn-section-heading { display: block; } .sn-overview-heading-note { margin-top: 15px; } .sn-failure-grid, .sn-family-grid, .sn-tier-grid { grid-template-columns: 1fr; } .sn-failure-card { min-height: 0; } .sn-failure-card p { min-height: 0; } .sn-loop-grid { grid-template-columns: 1fr; } .sn-loop-grid li, .sn-loop-grid li:nth-child(n+3) { border-right: 0; border-top: 1px solid var(--sn-line); } .sn-loop-grid li:first-child { border-top: 1px solid var(--sn-ink); } .sn-incident-grid { gap: 28px; } .sn-overview-panel { min-height: 0; } .sn-faq-grid { gap: 30px; } }

/* ── Feature pages ── */
.sn-feature-hero { padding: 86px 0 92px; color: #fff; background: var(--sn-navy-deep); background-image: radial-gradient(700px 450px at 90% 10%, rgba(92,225,230,.16), transparent 65%), linear-gradient(140deg, rgba(9,28,39,.98), rgba(16,44,58,.94)); }
.sn-feature-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(380px, .9fr); gap: 75px; align-items: center; }
.sn-feature-hero h1 { max-width: 11ch; margin: 0; font-family: var(--sn-display); font-size: clamp(3.3rem, 6.5vw, 6.2rem); font-weight: 400; line-height: .92; letter-spacing: -.04em; }
.sn-feature-lede { max-width: 57ch; margin: 26px 0 30px; color: rgba(255,255,255,.76); font-size: 1.08rem; }
.sn-feature-readout { padding: 18px 20px; border: 1px solid rgba(92,225,230,.35); background: rgba(9,28,39,.72); box-shadow: 17px 17px 0 rgba(224,90,80,.2); font-family: var(--sn-mono); }
.sn-feature-readout-head { display: flex; justify-content: space-between; gap: 10px; padding-bottom: 15px; color: rgba(255,255,255,.55); font-size: .62rem; letter-spacing: .08em; }
.sn-feature-readout-row { display: grid; grid-template-columns: 1.2fr .8fr 18px .8fr; align-items: center; gap: 9px; min-height: 56px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.76); font-size: .68rem; }
.sn-feature-value { overflow: hidden; color: var(--sn-cyan); font-size: .61rem; text-overflow: ellipsis; white-space: nowrap; }
.sn-feature-value--expected { color: rgba(255,255,255,.52); }
.sn-feature-value--changed { color: #ff9d91; }
.sn-feature-arrow { color: rgba(255,255,255,.4); text-align: center; }
.sn-feature-readout-note { margin: 15px 0 0; color: rgba(255,255,255,.5); font-family: var(--sn-sans); font-size: .72rem; line-height: 1.45; }
.sn-compare-section { background: var(--sn-paper); }
.sn-compare-table { border: 1px solid var(--sn-line); }
.sn-compare-head, .sn-compare-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.sn-compare-head { padding: 15px 20px; color: var(--sn-muted); background: #eae5d9; font-family: var(--sn-mono); font-size: .66rem; letter-spacing: .08em; text-transform: uppercase; }
.sn-compare-head span:last-child { color: var(--sn-cyan-dark); }
.sn-compare-row { border-top: 1px solid var(--sn-line); }
.sn-compare-row > * { padding: 17px 20px; font-size: .89rem; }
.sn-compare-row strong { color: var(--sn-cyan-dark); font-weight: 750; border-left: 1px solid var(--sn-line); }
.sn-feature-section { background: var(--sn-canvas); }
.sn-feature-section:nth-of-type(even) { background: var(--sn-paper); }
.sn-feature-section-grid { display: grid; grid-template-columns: minmax(220px, .65fr) minmax(0, 1.35fr); gap: 70px; align-items: start; }
.sn-feature-section-intro h2, .sn-limit-grid h2, .sn-feature-links-section h2 { max-width: 12ch; margin: 0 0 17px; font-family: var(--sn-display); font-size: clamp(2.4rem, 4.4vw, 4rem); font-weight: 400; line-height: .98; letter-spacing: -.03em; }
.sn-feature-section-intro > p:last-child { max-width: 34ch; margin: 0; color: var(--sn-muted); font-size: .92rem; }
.sn-feature-check-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 11px; }
.sn-feature-check-card { min-height: 155px; padding: 19px; border: 1px solid var(--sn-line); background: rgba(255,253,248,.7); }
.sn-feature-check-card:hover { border-color: rgba(21,121,128,.5); }
.sn-feature-check-top { display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.sn-feature-check-scope, .sn-feature-tier, .sn-feature-conditional { font-family: var(--sn-mono); font-size: .6rem; letter-spacing: .08em; text-transform: uppercase; }
.sn-feature-check-scope { color: var(--sn-muted); }
.sn-feature-tier { color: var(--sn-red); }
.sn-feature-conditional { color: var(--sn-amber); }
.sn-feature-check-card h3 { margin: 24px 0 7px; font-size: .98rem; line-height: 1.2; }
.sn-feature-check-card p { margin: 0; color: var(--sn-muted); font-size: .8rem; line-height: 1.45; }
.sn-limit-section { color: #fff; background: var(--sn-navy); }
.sn-limit-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; align-items: start; }
.sn-limit-grid h2 { max-width: 11ch; }
.sn-limit-grid .sn-kicker { color: var(--sn-cyan); }
.sn-limit-item { display: flex; gap: 14px; padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,.15); }
.sn-limit-item:first-child { border-top: 1px solid rgba(255,255,255,.15); }
.sn-limit-item p { margin: 0; color: rgba(255,255,255,.72); font-size: .9rem; }
.sn-limit-mark { display: inline-grid; flex: 0 0 20px; place-items: center; width: 20px; height: 20px; color: var(--sn-navy); background: var(--sn-cyan); border-radius: 50%; font-family: var(--sn-mono); font-size: .7rem; font-weight: 800; }
.sn-feature-links-section { background: var(--sn-paper); }
.sn-feature-link-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.sn-feature-link-card { min-height: 140px; display: flex; flex-direction: column; justify-content: space-between; padding: 19px; border: 1px solid var(--sn-line); background: var(--sn-canvas); text-decoration: none; }
.sn-feature-link-card:hover { border-color: var(--sn-cyan-dark); }
.sn-feature-link-card span { color: var(--sn-red); font-family: var(--sn-mono); font-size: .62rem; letter-spacing: .08em; text-transform: uppercase; }
.sn-feature-link-card strong { color: var(--sn-ink); font-size: .9rem; }
@media (max-width: 980px) { .sn-feature-hero-grid { gap: 46px; } .sn-feature-section-grid { gap: 40px; } .sn-feature-link-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 760px) { .sn-feature-hero { padding: 65px 0 74px; } .sn-feature-hero-grid, .sn-feature-section-grid, .sn-limit-grid { grid-template-columns: 1fr; } .sn-feature-hero h1 { max-width: 12ch; } .sn-feature-readout { max-width: 600px; } .sn-feature-section-intro h2, .sn-limit-grid h2, .sn-feature-links-section h2 { max-width: 14ch; } .sn-feature-check-grid { grid-template-columns: 1fr; } .sn-feature-link-grid { grid-template-columns: 1fr; } }
@media (max-width: 480px) { .sn-compare-head, .sn-compare-row { grid-template-columns: 1fr; gap: 0; } .sn-compare-head span:last-child { padding-top: 0; } .sn-compare-row > * { padding: 13px 15px; } .sn-compare-row strong { border-top: 1px solid var(--sn-line); border-left: 0; } .sn-feature-readout { padding: 14px; } .sn-feature-readout-row { grid-template-columns: 1.1fr .7fr 12px .7fr; gap: 5px; font-size: .59rem; } }