:root {
    color-scheme: dark;
    font-family: "Segoe UI", system-ui, sans-serif;
    --page: #090d12;
    --panel: #111820;
    --panel-soft: #151f28;
    --line: #293a3a;
    --text: #f4f7f6;
    --muted: #b6c5c0;
    --accent: #78e0b0;
}
* { box-sizing: border-box; }
html { background: var(--page); }
body { min-width: 280px; margin: 0; color: var(--text); background: var(--page); line-height: 1.6; }
a { color: var(--accent); text-underline-offset: 4px; }
a:focus-visible { outline: 2px solid currentColor; outline-offset: 5px; border-radius: 7px; }
.page-glow { position: fixed; inset: 0; z-index: -1; pointer-events: none; background: radial-gradient(circle at 18% 0, rgba(73, 207, 147, .16), transparent 31%), radial-gradient(circle at 86% 8%, rgba(81, 132, 230, .14), transparent 27%); }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 20px; max-width: 1180px; margin: 0 auto; padding: 24px 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--text); font-size: 18px; font-weight: 800; text-decoration: none; }
.brand img { width: 38px; height: 38px; border-radius: 12px; }
.site-header nav { display: flex; gap: 20px; }
.site-header nav a { color: var(--muted); font-size: 14px; font-weight: 650; text-decoration: none; }
main { max-width: 1180px; margin: 0 auto; padding: 34px 28px 80px; }
.breadcrumbs { margin: 0 0 44px; color: var(--muted); font-size: 13px; }
.hero { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(290px, .8fr); align-items: center; gap: 64px; padding: clamp(40px, 7vw, 84px); border: 1px solid var(--line); border-radius: 32px; background: color-mix(in srgb, var(--panel) 93%, transparent); box-shadow: 0 30px 90px rgba(0, 0, 0, .25); }
.eyebrow { margin: 0 0 15px; color: var(--accent); font-size: 13px; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
h1 { max-width: 760px; margin: 0; font-size: clamp(38px, 5.8vw, 68px); line-height: 1.03; letter-spacing: -.05em; text-wrap: balance; }
.lead { max-width: 720px; margin: 24px 0 0; color: var(--muted); font-size: clamp(17px, 2vw, 21px); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 20px; border: 1px solid var(--line); border-radius: 14px; color: var(--text); font-weight: 750; text-decoration: none; background: var(--panel-soft); }
.button-primary { border-color: transparent; color: #0a1711; background: linear-gradient(135deg, #8ae8bb, #69d9d0); }
.hero-card { padding: 24px; border: 1px solid var(--line); border-radius: 24px; background: #0c1218; }
.hero-card strong { display: block; margin-bottom: 18px; font-size: 17px; }
.hero-card ul { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.hero-card li { position: relative; padding-left: 25px; color: var(--muted); }
.hero-card li::before { position: absolute; left: 0; color: var(--accent); content: "✓"; font-weight: 900; }
.section { padding: 74px 0 0; }
.section-heading { display: grid; grid-template-columns: 1fr .75fr; align-items: end; gap: 36px; margin-bottom: 28px; }
h2 { margin: 0; font-size: clamp(28px, 4vw, 44px); line-height: 1.1; letter-spacing: -.035em; text-wrap: balance; }
.section-heading p { margin: 0; color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.card { min-height: 175px; padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: var(--panel); }
.card span { display: inline-flex; margin-bottom: 22px; padding: 5px 9px; border-radius: 9px; color: var(--accent); font-size: 12px; font-weight: 850; background: rgba(104, 218, 164, .11); }
.card h3 { margin: 0 0 8px; font-size: 19px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.faq { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.question { padding: 22px; border: 1px solid var(--line); border-radius: 18px; }
.question h3 { margin: 0 0 8px; font-size: 17px; }
.question p { margin: 0; color: var(--muted); }
.cta { display: flex; align-items: center; justify-content: space-between; gap: 28px; margin-top: 74px; padding: 30px; border: 1px solid var(--line); border-radius: 24px; background: linear-gradient(135deg, rgba(92, 218, 159, .12), rgba(77, 126, 225, .09)); }
.cta h2 { margin-bottom: 7px; font-size: 25px; }
.cta p { margin: 0; color: var(--muted); }
.disclaimer { margin: 34px 0 0; color: #81908b; font-size: 12px; }
.guide-intro { max-width: 820px; }
.guide-intro h1 { max-width: 900px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; align-items: start; gap: 48px; padding-top: 62px; }
.article-body { min-width: 0; }
.article-body section { margin-bottom: 58px; }
.article-body h2 { margin-bottom: 18px; }
.article-body h3 { margin: 28px 0 8px; font-size: 20px; }
.article-body p, .article-body li { color: var(--muted); }
.article-body ul { padding-left: 22px; }
.article-body li + li { margin-top: 8px; }
.article-summary { padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: var(--panel); }
.article-summary strong { display: block; margin-bottom: 10px; font-size: 17px; }
.article-summary ul { margin: 0; padding-left: 20px; color: var(--muted); }
.related-links { display: grid; gap: 10px; margin-top: 18px; }
.related-links a { padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; text-decoration: none; background: var(--panel); }
.guide-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 30px; }
.guide-link { min-height: 190px; padding: 25px; border: 1px solid var(--line); border-radius: 20px; color: var(--text); text-decoration: none; background: var(--panel); }
.guide-link small { display: block; margin-bottom: 18px; color: var(--accent); font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.guide-link strong { display: block; margin-bottom: 8px; font-size: 21px; }
.guide-link p { margin: 0; color: var(--muted); }
@media (max-width: 820px) {
    .site-header nav a:first-child { display: none; }
    main { padding-inline: 12px; }
    .breadcrumbs { padding-inline: 12px; }
    .hero { grid-template-columns: 1fr; gap: 34px; padding: 38px 22px; border-radius: 24px; }
    .section-heading { grid-template-columns: 1fr; gap: 15px; }
    .cards, .faq { grid-template-columns: 1fr; }
    .card { min-height: 0; }
    .cta { align-items: flex-start; flex-direction: column; }
    .button { width: 100%; }
    .article-layout { grid-template-columns: 1fr; gap: 24px; }
    .article-summary { order: -1; }
    .guide-grid { grid-template-columns: 1fr; }
}