:root {
    color-scheme: dark;
    --geo-bg: #0d0d1a;
    --geo-surface: #171724;
    --geo-elevated: #222231;
    --geo-border: rgba(255, 255, 255, 0.13);
    --geo-text: #f5f5f7;
    --geo-muted: #b3b3bf;
    --geo-link: #8fd3ff;
    --geo-accent: #e94560;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    min-width: 320px;
    margin: 0;
    color: var(--geo-text);
    background: var(--geo-bg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p, ol { margin-top: 0; }
h1, h2, h3 { line-height: 1.16; letter-spacing: -0.035em; }
a { color: var(--geo-link); text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--geo-link); outline-offset: 3px; }
.skip-link {
    position: fixed; top: 10px; left: 12px; z-index: 10;
    padding: 10px 16px; transform: translateY(-180%);
    background: #fff; color: #101018;
}
.skip-link:focus { transform: none; }
.site-header, .content, .site-footer {
    width: min(1140px, calc(100% - 44px));
    margin-inline: auto;
}
.site-header {
    min-height: 82px;
    display: flex; align-items: center; gap: 24px; justify-content: space-between;
}
.site-header nav { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.site-header nav a, .site-footer a { color: #dedee7; text-decoration: none; }
.site-header nav a:hover, .site-footer a:hover { color: var(--geo-link); }
.wordmark {
    font-size: 27px; font-weight: 800;
    letter-spacing: -1.1px; text-decoration: none; color: var(--geo-text);
    white-space: nowrap;
}
.wordmark strong { color: var(--geo-accent); }
.button {
    display: inline-flex; min-height: 48px; align-items: center; justify-content: center;
    gap: 8px; padding: 10px 22px; text-align: center;
    border: 1px solid transparent; border-radius: 11px;
    background: var(--geo-accent); color: #fff; font-weight: 700;
    text-decoration: none;
}
.button:hover { background: #f3526c; }
.button-outline { background: transparent; border-color: #77778b; }
.button-outline:hover { background: var(--geo-elevated); }
.hero {
    display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.8fr);
    align-items: center; gap: clamp(30px, 5vw, 80px);
    padding: 80px 0 100px;
}
.eyebrow { color: var(--geo-link); font-size: 13px; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
h1 { font-size: clamp(40px, 5vw, 64px); line-height: 1.08; }
.lead { font-size: clamp(18px, 1.6vw, 21px); color: #c5c5d0; max-width: 700px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.small-note { margin-top: 20px; font-size: 14px; color: var(--geo-muted); }
.sample {
    padding: 30px; border: 1px solid var(--geo-border);
    border-radius: 18px; background: #101018;
    box-shadow: 0 26px 60px rgba(0,0,0,.26);
}
.sample-label { color: var(--geo-muted); font-size: 13px; }
.sample-source { font-size: clamp(24px, 3vw, 32px); line-height: 1.55; color: var(--geo-link); font-weight: 650; }
.sample-meaning { font-size: 18px; color: #e7e7ed; }
.sample ol { display: grid; gap: 10px; margin: 28px 0 0; padding-left: 24px; font-size: 15px; color: #cacad4; }
.section {
    padding: 74px 0; border-top: 1px solid var(--geo-border);
}
.section > h2 { font-size: clamp(30px, 3.5vw, 42px); max-width: 820px; margin-bottom: 14px; }
.section > p { max-width: 780px; color: var(--geo-muted); font-size: 17px; }
.cards {
    display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px; margin-top: 30px;
}
.card { padding: 26px; border: 1px solid var(--geo-border); border-radius: 14px; background: var(--geo-surface); }
.card .number { color: var(--geo-link); font-weight: 800; font-size: 13px; }
.card h3 { margin: 22px 0 10px; font-size: 21px; }
.card p { color: var(--geo-muted); font-size: 16px; margin: 0; }
.steps { display: grid; gap: 20px; counter-reset: item; list-style: none; padding: 0; max-width: 860px; }
.steps li { display: grid; grid-template-columns: 50px 1fr; gap: 22px; }
.steps li::before {
    counter-increment: item; content: counter(item);
    height: 42px; width: 42px; border: 1px solid var(--geo-border);
    border-radius: 50%; display: grid; place-items: center; color: #fff;
    font-weight: 750;
}
.steps strong { display: block; font-size: 19px; margin-bottom: 5px; }
.steps span { color: var(--geo-muted); display: block; }
.inline-callout { padding: 24px; background: var(--geo-elevated); border-radius: 12px; max-width: 880px; }
.inline-callout h3 { font-size: 19px; }
.inline-callout p { color: #d3d3de; margin: 0; }
.faq { display: grid; gap: 16px; max-width: 880px; margin-top: 30px; }
.faq article { border-bottom: 1px solid var(--geo-border); padding-bottom: 14px; }
.faq h3 { font-size: 19px; margin-bottom: 8px; }
.faq p { color: var(--geo-muted); margin: 0; }
.next-links { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 22px; }
.final-cta { text-align: center; padding: 65px 0 90px; }
.final-cta h2 { font-size: clamp(32px, 4vw, 48px); }
.final-cta p { color: var(--geo-muted); }
.site-footer {
    border-top: 1px solid var(--geo-border); min-height: 120px;
    padding: 24px 0; display: flex; flex-wrap: wrap; gap: 25px;
    justify-content: space-between; align-items: center; font-size: 14px;
}
.site-footer nav { display: flex; flex-wrap: wrap; gap: 20px; }
.site-footer a { min-height: 44px; display: inline-flex; align-items: center; }
@media(max-width: 900px) {
    .hero { grid-template-columns: 1fr; padding: 45px 0 70px; }
    .sample { max-width: 650px; }
    .cards { grid-template-columns: 1fr; }
    .site-header { flex-wrap: wrap; padding: 18px 0; }
}
@media(max-width: 540px) {
    .site-header, .content, .site-footer { width: calc(100% - 32px); }
    .site-header nav { order: 3; width: 100%; gap: 15px; }
    .site-header .button { padding-inline: 14px; }
    .hero { padding-top: 42px; }
    .actions { flex-direction: column; }
    .actions .button { width: 100%; }
    .section { padding: 54px 0; }
    .sample { padding: 22px; }
}
@media(prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }