:root {
  color-scheme: dark;
  --ink: #edf5ff;
  --muted: #96a9bd;
  --bg: #07111f;
  --bg-deep: #040a12;
  --surface: #0c1a2b;
  --surface-2: #102238;
  --line: #20364c;
  --accent: #51e6c2;
  --accent-2: #65a9ff;
  --max: 1160px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  scroll-behavior: smooth;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 6rem; }
body { margin: 0; background: var(--bg); color: var(--ink); font-size: 1rem; line-height: 1.65; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.skip-link { position: fixed; z-index: 100; top: .5rem; left: .5rem; transform: translateY(-150%); background: var(--accent); color: #03130f; padding: .7rem 1rem; border-radius: .4rem; font-weight: 800; }
.skip-link:focus { transform: none; }

.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(101,169,255,.16); background: rgba(7,17,31,.88); backdrop-filter: blur(18px); }
.nav-shell { max-width: var(--max); margin: 0 auto; min-height: 4.75rem; padding: 0 1.5rem; display: flex; align-items: center; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; font-weight: 760; letter-spacing: -.02em; white-space: nowrap; }
.brand-mark { width: 2rem; height: 2rem; display: grid; place-items: center; border: 1px solid var(--accent); color: var(--accent); font: 800 .72rem/1 ui-monospace, monospace; letter-spacing: -.06em; border-radius: .35rem; box-shadow: inset 0 0 14px rgba(81,230,194,.12); }
nav { margin-left: auto; display: flex; align-items: center; gap: 1.4rem; }
nav a { color: var(--muted); text-decoration: none; font-size: .9rem; font-weight: 650; }
nav a:hover, nav a:focus-visible { color: var(--ink); }
.language-switch { display: flex; padding: .2rem; border: 1px solid var(--line); border-radius: .45rem; background: var(--bg-deep); }
.language-switch button { border: 0; border-radius: .28rem; background: transparent; color: var(--muted); padding: .4rem .5rem; font: 700 .73rem/1 system-ui, sans-serif; cursor: pointer; }
.language-switch button[aria-pressed="true"] { background: var(--surface-2); color: var(--accent); }

.hero { min-height: calc(100vh - 4.75rem); display: grid; align-items: center; overflow: hidden; background: radial-gradient(circle at 75% 42%, rgba(43,118,159,.2), transparent 28rem), linear-gradient(145deg, #07111f 35%, #08182a); border-bottom: 1px solid var(--line); }
.hero-grid { position: relative; width: 100%; max-width: var(--max); margin: 0 auto; padding: 7rem 1.5rem; display: grid; grid-template-columns: minmax(0,1.25fr) minmax(20rem,.75fr); gap: clamp(3rem,8vw,8rem); align-items: center; }
.hero-grid > * { min-width: 0; }
.hero-grid::before { content: ""; position: absolute; inset: -20% 58% auto auto; width: 38rem; height: 38rem; border: 1px solid rgba(101,169,255,.09); transform: rotate(24deg); }
.eyebrow { margin: 0 0 1rem; color: var(--accent); font: 750 .76rem/1.4 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .12em; }
h1 { margin: 0; max-width: 13ch; font-size: clamp(3.4rem,7.5vw,6.8rem); line-height: .92; letter-spacing: -.068em; }
h1 span { color: transparent; -webkit-text-stroke: 1.5px var(--accent-2); }
.hero-line { margin: 2.25rem 0 .35rem; font-size: clamp(1.2rem,2vw,1.55rem); font-weight: 750; letter-spacing: -.02em; }
.hero-summary { max-width: 38rem; margin: 0; color: var(--muted); font-size: 1.05rem; }
.hero-actions { display: flex; gap: .8rem; margin-top: 2.2rem; }
.button { min-height: 3rem; padding: .7rem 1.15rem; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: .45rem; text-decoration: none; font-weight: 760; }
.button-primary { background: var(--accent); border-color: var(--accent); color: #03130f; }
.button-secondary { background: rgba(255,255,255,.025); }
.button:hover { transform: translateY(-1px); }
.button:focus-visible, .email-link:focus-visible { outline: 3px solid var(--accent-2); outline-offset: 3px; }

.audit-card { position: relative; padding: 1.25rem; border: 1px solid #284965; border-radius: .65rem; background: linear-gradient(160deg, rgba(16,34,56,.98), rgba(6,15,27,.98)); box-shadow: 0 2rem 6rem rgba(0,0,0,.28); }
.audit-card::after { content: ""; position: absolute; inset: .45rem; border: 1px solid rgba(255,255,255,.035); border-radius: .35rem; pointer-events: none; }
.audit-card__top { display: flex; align-items: center; gap: .55rem; padding-bottom: 1rem; border-bottom: 1px solid var(--line); color: var(--muted); font: 700 .72rem/1 ui-monospace, monospace; letter-spacing: .08em; }
.status-dot { width: .55rem; height: .55rem; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }
.version { margin-left: auto; }
.score-ring { width: 9.5rem; height: 9.5rem; margin: 2rem auto; border: .6rem solid rgba(81,230,194,.14); border-top-color: var(--accent); border-right-color: var(--accent); border-radius: 50%; display: grid; place-content: center; text-align: center; transform: rotate(12deg); }
.score-ring > * { transform: rotate(-12deg); }
.score-ring strong { font-size: 1.7rem; letter-spacing: -.04em; }
.score-ring span { color: var(--muted); font-size: .75rem; text-transform: uppercase; }
.audit-row { display: flex; justify-content: space-between; gap: 1rem; padding: .75rem 0; border-top: 1px solid rgba(32,54,76,.72); color: var(--muted); font-size: .88rem; }
.audit-row strong { color: var(--ink); }

.section { max-width: var(--max); margin: 0 auto; padding: 7rem 1.5rem; }
.section-muted { max-width: none; padding-left: max(1.5rem, calc((100% - var(--max))/2 + 1.5rem)); padding-right: max(1.5rem, calc((100% - var(--max))/2 + 1.5rem)); background: var(--bg-deep); border-block: 1px solid var(--line); }
.section-heading { max-width: 48rem; }
.section-heading.compact { max-width: 38rem; }
h2 { margin: 0 0 1.25rem; font-size: clamp(2.25rem,5vw,4.1rem); line-height: 1.04; letter-spacing: -.055em; }
.section-heading > p:last-child { color: var(--muted); font-size: 1.08rem; }
.feature-layout { margin-top: 3.5rem; display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1rem; }
.panel { padding: clamp(1.5rem,3vw,2.25rem); border: 1px solid var(--line); border-radius: .6rem; background: var(--surface); }
h3 { margin: 0 0 1.3rem; font-size: 1.2rem; letter-spacing: -.02em; }
.check-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: .9rem 1.3rem; }
.check-list li { position: relative; padding-left: 1.3rem; color: #c9d7e7; }
.check-list li::before { content: "+"; position: absolute; left: 0; color: var(--accent); font-family: ui-monospace, monospace; }
code { color: #c7dcff; font-size: .86em; }
.safety-block { margin-top: 1rem; padding: 2rem; display: grid; grid-template-columns: .72fr 1.28fr; gap: 2rem; align-items: center; border: 1px solid #245b60; border-radius: .6rem; background: linear-gradient(120deg, rgba(81,230,194,.09), rgba(16,34,56,.48)); }
.safety-block h3 { margin: 0; font-size: 1.75rem; }
.pill-grid { display: flex; flex-wrap: wrap; gap: .6rem; }
.pill-grid span { padding: .45rem .7rem; border: 1px solid rgba(81,230,194,.3); border-radius: 100vw; color: #c8f7ec; font-size: .82rem; }
.compatibility { margin-top: 1rem; padding: 1.1rem 1.3rem; display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; border: 1px solid var(--line); border-radius: .6rem; color: var(--muted); }
.compatibility strong { color: var(--ink); font-size: .9rem; }
.divider { height: 1.4rem; border-left: 1px solid var(--line); }

#support { display: grid; grid-template-columns: 1.25fr .75fr; gap: clamp(3rem,10vw,9rem); align-items: center; }
.email-link { display: inline-block; margin-top: 1.2rem; color: var(--accent); font-size: clamp(1.15rem,2vw,1.45rem); font-weight: 760; text-underline-offset: .25rem; }
.support-details { padding: 1.7rem; border-left: 2px solid var(--accent-2); background: rgba(101,169,255,.05); }
.support-details ol { margin: 0; padding-left: 1.25rem; color: var(--muted); }
.support-details li { padding: .25rem 0 .25rem .4rem; }
.legal { display: grid; grid-template-columns: minmax(18rem,.72fr) minmax(0,1.28fr); gap: clamp(3rem,9vw,8rem); }
.legal h2 { font-size: clamp(2.2rem,4vw,3.5rem); }
.legal-copy { max-width: 44rem; }
.legal-copy p { margin: 0 0 1.25rem; color: #c4d2df; }
.legal-copy .updated { margin-top: 2rem; color: var(--muted); font: 700 .78rem/1.5 ui-monospace, monospace; text-transform: uppercase; letter-spacing: .08em; }
footer { max-width: var(--max); min-height: 11rem; margin: 0 auto; padding: 3rem 1.5rem; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: .4rem 2rem; color: var(--muted); font-size: .86rem; }
footer .brand { color: var(--ink); }
footer p { margin: 0; }
footer p:last-child { grid-column: 2; grid-row: 1 / span 2; }

@media (max-width: 800px) {
  html { scroll-padding-top: 4.4rem; }
  .nav-shell { min-height: 4.25rem; padding-inline: 1rem; gap: 1rem; }
  nav { display: none; }
  .language-switch { margin-left: auto; }
  .hero { min-height: auto; }
  .hero-grid { padding: 5.5rem 1.25rem; grid-template-columns: 1fr; gap: 3.5rem; }
  h1 { max-width: 100%; font-size: clamp(2.7rem,12.5vw,4.2rem); letter-spacing: -.06em; }
  .audit-card { max-width: 100%; width: 100%; }
  .section, .section-muted { padding: 5rem 1.25rem; }
  .feature-layout, #support, .legal { grid-template-columns: 1fr; }
  .check-list { grid-template-columns: 1fr; }
  .safety-block { grid-template-columns: 1fr; padding: 1.5rem; }
  .divider { display: none; }
  .compatibility { align-items: flex-start; flex-direction: column; }
  footer { grid-template-columns: 1fr; padding-inline: 1.25rem; }
  footer p:last-child { grid-column: auto; grid-row: auto; margin-top: 1.25rem; }
}

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