:root {
  color-scheme: dark;
  --bg: #0b0f14;
  --bg-soft: #0f151d;
  --surface: #131b25;
  --surface-2: #182230;
  --line: #263244;
  --text: #f3f7fb;
  --muted: #9bacbf;
  --blue: #4d92ff;
  --blue-bright: #70a7ff;
  --green: #6ee7b7;
  --amber: #f8c76c;
  --danger: #fb7185;
  --shadow: 0 24px 80px rgba(0, 0, 0, .3);
  --radius: 22px;
  --shell: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
.shell { width: min(calc(100% - 40px), var(--shell)); margin-inline: auto; }
.narrow { max-width: 780px; }
.center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 100; background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 10px; }
.skip-link:focus { top: 16px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(11, 15, 20, .82);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(38, 50, 68, .7);
}
.nav-wrap { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 18px; font-weight: 760; letter-spacing: -.02em; }
.brand-mark { position: relative; width: 34px; height: 34px; border: 1px solid #2d4a71; border-radius: 11px; background: #111923; }
.brand-mark::before { content: ""; position: absolute; left: 15px; top: 6px; width: 3px; height: 21px; border-radius: 2px; background: var(--blue); }
.brand-mark::after { content: ""; position: absolute; left: 7px; top: 17px; width: 17px; height: 9px; border: 3px solid var(--blue); border-top: 0; border-radius: 0 0 12px 12px; }
.brand-mark span { position: absolute; left: 11px; top: 9px; width: 11px; height: 3px; border-radius: 2px; background: var(--blue); }
.site-nav { display: flex; align-items: center; gap: 26px; color: var(--muted); font-size: 14px; font-weight: 620; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--text); }
.site-nav .nav-cta { color: #fff; background: #2878ed; padding: 10px 16px; border-radius: 12px; }
.menu-button { display: none; width: 42px; height: 42px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); padding: 10px; }
.menu-button > span:not(.sr-only) { display: block; height: 2px; margin: 4px 0; background: var(--text); border-radius: 2px; }

.hero { position: relative; overflow: hidden; padding: 104px 0 82px; }
.hero::before { content: ""; position: absolute; width: 680px; height: 680px; left: 55%; top: -360px; background: radial-gradient(circle, rgba(77,146,255,.22), transparent 68%); pointer-events: none; }
.hero-grid { display: grid; grid-template-columns: 1.04fr .96fr; gap: 68px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--green); font-size: 12px; line-height: 1; font-weight: 760; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 20px; height: 1px; background: currentColor; }
h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: -.035em; }
h1 { max-width: 780px; margin-top: 20px; font-size: clamp(48px, 6vw, 78px); }
h2 { font-size: clamp(32px, 4vw, 48px); }
h3 { font-size: 21px; }
.hero-copy > p { max-width: 650px; margin: 24px 0 0; color: var(--muted); font-size: clamp(18px, 2vw, 21px); line-height: 1.65; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 20px; border: 1px solid var(--line); border-radius: 14px; font-weight: 720; transition: transform .18s ease, border-color .18s ease, background .18s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { background: #2878ed; border-color: #2878ed; color: #fff; box-shadow: 0 14px 36px rgba(40,120,237,.2); }
.button.secondary { background: var(--surface); }
.button.subtle { min-height: 42px; padding-inline: 15px; color: var(--blue-bright); background: transparent; border-color: #315383; }
.helper { color: var(--muted); font-size: 13px; margin-top: 14px; }

.phone-stage { position: relative; min-height: 500px; display: grid; place-items: center; }
.phone-stage::before, .phone-stage::after { content: ""; position: absolute; border: 1px solid rgba(77,146,255,.22); border-radius: 50%; }
.phone-stage::before { width: 470px; height: 470px; }
.phone-stage::after { width: 330px; height: 330px; }
.phone { position: relative; z-index: 2; width: 286px; min-height: 520px; padding: 14px; border: 1px solid #344357; border-radius: 48px; background: #05080c; box-shadow: var(--shadow); transform: rotate(2deg); }
.phone-screen { min-height: 490px; padding: 26px 16px 18px; border-radius: 37px; background: #0d131b; }
.notch { width: 84px; height: 22px; margin: -15px auto 24px; border-radius: 0 0 16px 16px; background: #05080c; }
.app-title { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.app-title strong { font-size: 20px; }
.app-title span { color: var(--green); font-size: 12px; }
.message { padding: 14px; margin-top: 10px; border: 1px solid #253247; border-radius: 18px; background: #141d29; }
.message-top { display: flex; justify-content: space-between; gap: 10px; color: var(--muted); font-size: 11px; }
.message p { margin: 7px 0 0; color: #dce7f3; font-size: 13px; line-height: 1.45; }
.message .code { color: #fff; font-size: 20px; font-weight: 800; letter-spacing: .08em; }
.usage { margin-top: 20px; padding: 14px; background: #101720; border-radius: 16px; }
.usage-line { display: flex; justify-content: space-between; color: var(--muted); font-size: 11px; }
.bar { height: 6px; margin-top: 9px; overflow: hidden; border-radius: 10px; background: #263244; }
.bar span { display: block; width: 34%; height: 100%; border-radius: inherit; background: var(--blue); }

.section { padding: 92px 0; }
.section.alt { background: var(--bg-soft); border-block: 1px solid rgba(38, 50, 68, .58); }
.section-heading { max-width: 720px; margin-bottom: 42px; }
.section-heading.center { margin-inline: auto; }
.section-heading h2 { margin-top: 14px; }
.section-heading p { color: var(--muted); font-size: 18px; margin: 18px 0 0; }
.grid-3, .grid-4, .pricing-grid, .support-grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.card .number { display: grid; place-items: center; width: 38px; height: 38px; margin-bottom: 34px; border-radius: 12px; background: rgba(77,146,255,.13); color: var(--blue-bright); font-size: 13px; font-weight: 800; }
.card h3 { margin-bottom: 12px; }
.card p { margin: 0; color: var(--muted); }
.icon-box { width: 45px; height: 45px; margin-bottom: 24px; display: grid; place-items: center; border-radius: 14px; color: var(--green); background: rgba(110,231,183,.09); font-weight: 800; }
.trust-strip { display: flex; justify-content: center; flex-wrap: wrap; gap: 34px; color: var(--muted); font-size: 13px; }
.trust-strip span::before { content: "✓"; margin-right: 8px; color: var(--green); }

.pricing-grid { grid-template-columns: repeat(4, 1fr); align-items: stretch; }
.price-card { position: relative; display: flex; flex-direction: column; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.price-card.featured { border-color: #3d71b7; box-shadow: 0 18px 50px rgba(21, 87, 175, .14); }
.badge { position: absolute; right: 18px; top: 18px; padding: 5px 9px; border-radius: 999px; background: rgba(110,231,183,.11); color: var(--green); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.plan-name { font-weight: 760; font-size: 19px; }
.price { margin: 22px 0 4px; font-size: 38px; font-weight: 800; letter-spacing: -.04em; }
.price span { color: var(--muted); font-size: 14px; font-weight: 500; letter-spacing: 0; }
.price-card > p { min-height: 74px; color: var(--muted); }
.features { padding: 18px 0 0; margin: 18px 0 24px; border-top: 1px solid var(--line); list-style: none; }
.features li { position: relative; padding-left: 22px; margin: 9px 0; color: #d7e1ec; font-size: 14px; }
.features li::before { content: "✓"; position: absolute; left: 0; color: var(--green); }
.price-card .button { margin-top: auto; }
.pricing-note { max-width: 760px; margin: 28px auto 0; color: var(--muted); text-align: center; font-size: 13px; }

.simple-hero { padding: 92px 0 62px; border-bottom: 1px solid var(--line); background: radial-gradient(circle at 70% 0, rgba(77,146,255,.13), transparent 35%); }
.simple-hero h1 { margin-inline: auto; font-size: clamp(42px, 5vw, 64px); }
.simple-hero p { color: var(--muted); font-size: 19px; }
.content-section { padding: 68px 0 100px; }
.prose { max-width: 820px; }
.prose h2 { margin: 48px 0 16px; font-size: 28px; }
.prose h3 { margin: 30px 0 10px; font-size: 20px; }
.prose p, .prose li { color: #b7c4d3; }
.prose a { color: var(--blue-bright); text-decoration: underline; text-underline-offset: 3px; }
.prose ul, .prose ol { padding-left: 22px; }
.prose .updated { margin: 0 0 34px; color: var(--muted); font-size: 13px; }
.notice { padding: 20px; margin: 26px 0; border: 1px solid #385981; border-radius: 16px; background: rgba(77,146,255,.07); }
.notice.warning { border-color: #6c5426; background: rgba(248,199,108,.07); }
.notice strong { color: var(--text); }

.faq-list { max-width: 840px; margin: 0 auto; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 23px 4px; cursor: pointer; color: var(--text); font-size: 18px; font-weight: 700; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; float: right; color: var(--blue-bright); font-size: 24px; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: 0; padding: 0 42px 24px 4px; color: var(--muted); }

.support-grid { grid-template-columns: 1.15fr .85fr; align-items: start; }
.contact-card { padding: 30px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); }
.contact-row { padding: 19px 0; border-bottom: 1px solid var(--line); }
.contact-row:last-child { border: 0; }
.contact-row span { display: block; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .1em; }
.contact-row a { display: inline-block; margin-top: 4px; color: var(--blue-bright); font-weight: 700; }
.contact-row p { margin: 5px 0 0; color: var(--muted); font-size: 14px; }
.protection-card .contact-row span { color: var(--blue-bright); }
.contact-form { display: grid; gap: 16px; margin-top: 22px; }
.contact-form label { display: grid; gap: 7px; color: #d7e1ec; font-size: 13px; font-weight: 700; }
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #0e151e;
  color: var(--text);
  padding: 13px 14px;
  outline: none;
}
.contact-form textarea { resize: vertical; min-height: 140px; }
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(77,146,255,.14); }
.form-help { margin: 0; color: var(--muted); font-size: 13px; }
.legal-address {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: #7f8fa2;
  font-size: 12px;
}
.legal-address summary {
  cursor: pointer;
  color: #8fa1b6;
  font-weight: 700;
}
.legal-address p { margin: 10px 0 0; color: #7f8fa2; }
.quick-links { display: grid; gap: 12px; }
.quick-link { display: flex; justify-content: space-between; align-items: center; padding: 18px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.quick-link:hover { border-color: #3d5c84; }
.quick-link span:last-child { color: var(--blue-bright); }

.cta-band { padding: 40px; border: 1px solid #315383; border-radius: 28px; background: linear-gradient(130deg, #111c2b, #101820); display: flex; justify-content: space-between; align-items: center; gap: 28px; }
.cta-band h2 { font-size: clamp(28px, 3vw, 40px); }
.cta-band p { margin: 10px 0 0; color: var(--muted); }

.site-footer { padding: 64px 0 24px; border-top: 1px solid var(--line); background: #080b0f; }
.footer-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 50px; }
.footer-grid .brand { margin-bottom: 14px; }
.footer-grid p { max-width: 300px; color: var(--muted); }
.footer-grid .fine { font-size: 12px; }
.footer-grid h2 { margin-bottom: 15px; color: var(--text); font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.footer-grid > div > a:not(.brand) { display: block; margin: 9px 0; color: var(--muted); font-size: 14px; }
.footer-grid > div > a:hover { color: var(--text); }
.footer-legal-address { margin-top: 12px; color: #6f7d8e; font-size: 11px; }
.footer-legal-address summary { cursor: pointer; color: #7f8fa2; }
.footer-legal-address p { margin: 8px 0 0; color: #6f7d8e; line-height: 1.5; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 52px; padding-top: 22px; border-top: 1px solid var(--line); color: #718096; font-size: 11px; }

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { text-align: center; }
  .hero-copy h1, .hero-copy > p { margin-inline: auto; }
  .hero-copy .actions { justify-content: center; }
  .phone-stage { margin-top: -20px; }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .shell { width: min(calc(100% - 28px), var(--shell)); }
  .site-header { backdrop-filter: blur(14px); }
  .menu-button { display: block; }
  .site-nav { position: absolute; left: 14px; right: 14px; top: 68px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 10px; border: 1px solid var(--line); border-radius: 18px; background: #111923; box-shadow: var(--shadow); }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px; }
  .site-nav .nav-cta { margin-top: 4px; text-align: center; }
  .hero { padding: 72px 0 50px; }
  .hero h1 { font-size: 46px; }
  .phone-stage { min-height: 450px; transform: scale(.86); margin: -36px 0; }
  .section { padding: 68px 0; }
  .grid-3, .pricing-grid, .support-grid { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .price-card > p { min-height: 0; }
  .cta-band { align-items: flex-start; flex-direction: column; padding: 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px 24px; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; }
  .simple-hero { padding: 68px 0 44px; }
}

@media (max-width: 430px) {
  .actions { flex-direction: column; }
  .button { width: 100%; }
  .hero h1 { font-size: 40px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > div:first-child { grid-column: auto; }
}

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