:root {
    --ink: #071018;
    --panel: #0d1923;
    --line: #20313f;
    --text: #f8fafc;
    --muted: #94a3b8;
    --sky: #5bd6e8;
    --mint: #54d6a1;
    --amber: #f4c95d;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--ink);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    letter-spacing: 0;
}
body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image: linear-gradient(rgba(91,214,232,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(91,214,232,.04) 1px, transparent 1px);
    background-size: 42px 42px;
}
a { color: inherit; text-decoration: none; }
.container { width: min(1160px, calc(100% - 32px)); margin: 0 auto; position: relative; }
.header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(255,255,255,.1); background: rgba(7,16,24,.92); backdrop-filter: blur(18px); }
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { width: min(190px, 42vw); height: 38px; object-fit: contain; }
.nav { display: flex; align-items: center; gap: 22px; font-size: 14px; color: #cbd5e1; }
.nav a:hover, .footer a:hover { color: var(--sky); }
.phone { font-weight: 700; color: white; white-space: nowrap; }
.button { min-height: 46px; padding: 0 20px; border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; font-weight: 800; background: var(--sky); color: var(--ink); transition: background .2s ease; }
.button:hover { background: white; }
.button.secondary { background: transparent; color: white; border: 1px solid rgba(255,255,255,.18); }
.button.secondary:hover { border-color: var(--sky); color: var(--sky); background: transparent; }
.hero { min-height: 660px; padding: 70px 0; display: flex; align-items: center; border-bottom: 1px solid rgba(255,255,255,.1); }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 72px; align-items: center; }
.crumbs { font-size: 13px; color: #64748b; margin-bottom: 28px; }
.crumbs a { color: var(--sky); }
.eyebrow { margin: 0 0 18px; color: var(--sky); font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .14em; }
h1 { margin: 0; font-size: 54px; line-height: 1.08; max-width: 800px; }
h2 { margin: 0; font-size: 36px; line-height: 1.15; }
h3 { margin: 0; font-size: 20px; line-height: 1.3; }
.lead { margin: 24px 0 0; max-width: 760px; font-size: 20px; color: #cbd5e1; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.summary { border: 1px solid rgba(255,255,255,.1); background: rgba(13,25,35,.84); border-radius: 8px; padding: 28px; }
.summary h2 { font-size: 22px; }
.check-list { list-style: none; margin: 22px 0 0; padding: 0; display: grid; gap: 15px; color: #cbd5e1; }
.check-list li { display: grid; grid-template-columns: 20px 1fr; gap: 10px; }
.check-list li::before { content: "✓"; color: var(--mint); font-weight: 900; }
.band { padding: 86px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
.band.alt { background: #09141d; }
.section-intro { max-width: 760px; margin-bottom: 38px; }
.section-intro p:last-child { color: var(--muted); font-size: 18px; }
.grid-2, .grid-3, .grid-4 { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card { border: 1px solid rgba(255,255,255,.1); background: rgba(13,25,35,.78); border-radius: 8px; padding: 25px; }
.card p { color: var(--muted); margin: 12px 0 0; }
.card ul { margin: 16px 0 0; padding-left: 20px; color: #b8c4d1; }
.card li + li { margin-top: 8px; }
.number { display: block; margin-bottom: 18px; color: var(--amber); font-size: 12px; font-weight: 900; letter-spacing: .14em; }
.price { margin-top: 20px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.1); color: white !important; font-size: 20px; font-weight: 900; }
.content { max-width: 800px; }
.content p, .content li { color: #b8c4d1; }
.content h2 { margin-top: 42px; font-size: 28px; }
.content h2:first-child { margin-top: 0; }
.content ul { padding-left: 22px; }
.related a { display: block; border-top: 1px solid rgba(255,255,255,.1); padding: 15px 0; color: #cbd5e1; }
.related a:last-child { border-bottom: 1px solid rgba(255,255,255,.1); }
.related a:hover { color: var(--sky); }
.cta { padding: 66px 0; background: #0a1720; }
.cta-inner { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; }
.cta p { margin: 10px 0 0; color: var(--muted); }
.footer { border-top: 1px solid rgba(255,255,255,.1); background: #050b10; padding: 34px 0; color: #64748b; font-size: 14px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }

@media (max-width: 860px) {
    .nav a:not(.phone) { display: none; }
    .hero { min-height: auto; }
    .hero-grid { grid-template-columns: 1fr; gap: 38px; }
    h1 { font-size: 42px; }
    .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .cta-inner { grid-template-columns: 1fr; }
}

@media (max-width: 580px) {
    .header-inner { min-height: 68px; }
    .phone { display: none; }
    .hero { padding: 46px 0 60px; }
    h1 { font-size: 34px; }
    h2 { font-size: 29px; }
    .lead { font-size: 18px; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .band { padding: 64px 0; }
    .footer-inner { align-items: flex-start; flex-direction: column; }
}