:root {
  --ink: #121a25;
  --paper: #f5f7fa;
  --white: #ffffff;
  --muted: #647084;
  --line: #dce3eb;
  --nav: #0b1018;
  --nav-soft: #182231;
  --blue: #168eea;
  --cyan: #26c6da;
  --green: #10b981;
  --amber: #f59e0b;
  --red: #ef5b5b;
  --shadow: 0 24px 70px rgba(5, 12, 22, .18);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Segoe UI", Inter, Arial, sans-serif; letter-spacing: 0; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; letter-spacing: 0; }
button, a { -webkit-tap-highlight-color: transparent; }
img { max-width: 100%; display: block; }
[hidden] { display: none !important; }
.site-header { position: fixed; z-index: 50; top: 0; left: 0; right: 0; height: 72px; padding: 0 clamp(20px, 5vw, 76px); display: flex; align-items: center; justify-content: space-between; color: #fff; background: rgba(8, 13, 20, .9); border-bottom: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(16px); }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; }
.brand img { width: 40px; height: 40px; object-fit: contain; }
.site-header nav { display: flex; align-items: center; gap: 32px; font-size: 14px; font-weight: 650; }
.site-header nav a { color: #d9e2ec; }
.site-header nav a:hover { color: #fff; }
.site-header .nav-cta { padding: 11px 18px; color: #07111c; background: var(--cyan); border-radius: 6px; }
.menu-button { display: none; width: 42px; height: 42px; color: #fff; background: transparent; border: 1px solid rgba(255,255,255,.2); border-radius: 6px; }
.hero { min-height: min(830px, 92vh); position: relative; overflow: hidden; display: flex; align-items: center; background: #0a111b; }
.hero-media { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 64% center; opacity: .65; filter: saturate(.9) contrast(1.03); }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6,11,18,.98) 0%, rgba(6,11,18,.86) 37%, rgba(6,11,18,.25) 74%, rgba(6,11,18,.55) 100%); }
.hero-content { position: relative; z-index: 2; width: min(680px, 88vw); margin-left: clamp(24px, 8vw, 132px); padding-top: 68px; color: #fff; }
.eyebrow { margin: 0 0 14px; color: var(--cyan); font-size: 13px; line-height: 1.3; font-weight: 800; text-transform: uppercase; }
.eyebrow.dark { color: #087fb6; }
h1, h2, h3, p { letter-spacing: 0; }
h1 { margin: 0; font-size: clamp(54px, 7vw, 96px); line-height: .95; font-weight: 850; max-width: 780px; }
.hero-copy { max-width: 650px; margin: 26px 0 0; color: #e6edf5; font-size: clamp(18px, 2vw, 24px); line-height: 1.5; }
.hero-actions { display: flex; gap: 12px; margin-top: 34px; flex-wrap: wrap; }
.button { min-height: 48px; padding: 13px 22px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid transparent; border-radius: 6px; font-weight: 800; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { color: #07111c; background: var(--cyan); }
.button.secondary { color: #fff; background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.38); }
.button.secondary.dark { color: var(--ink); background: #fff; border-color: #b9c4d0; }
.button.wide { width: 100%; }
.hero-facts { margin-top: 48px; display: flex; gap: 28px; color: #b8c5d5; font-size: 13px; flex-wrap: wrap; }
.hero-facts span { padding-left: 14px; border-left: 2px solid var(--cyan); }
.hero-facts b { color: #fff; }
.trust-strip { min-height: 76px; padding: 18px clamp(24px, 6vw, 96px); display: flex; align-items: center; justify-content: space-between; gap: 20px; overflow-x: auto; color: #cbd5e1; background: #111a26; border-top: 1px solid #243246; white-space: nowrap; font-size: 13px; font-weight: 700; }
.trust-strip span::before { content: "•"; margin-right: 10px; color: var(--green); }
.section { width: min(1240px, calc(100% - 40px)); margin: 0 auto; padding: 108px 0; }
.section-heading { max-width: 770px; }
.section-heading h2, .compatibility h2, .support h2 { margin: 0; font-size: clamp(34px, 4.5vw, 58px); line-height: 1.08; }
.section-heading > p:last-child { max-width: 690px; margin: 20px 0 0; color: var(--muted); font-size: 18px; line-height: 1.6; }
.section-heading.light { color: #fff; }
.section-heading.light > p:last-child { color: #aebdce; }
.feature-grid { margin-top: 54px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { min-height: 270px; padding: 30px; background: #fff; border: 1px solid var(--line); border-top: 4px solid var(--blue); border-radius: 8px; }
.feature-card.green { border-top-color: var(--green); }
.feature-card.amber { border-top-color: var(--amber); }
.feature-icon { width: 48px; height: 48px; display: grid; place-items: center; color: #fff; background: var(--blue); border-radius: 6px; font-size: 24px; font-weight: 900; }
.feature-card.green .feature-icon { background: var(--green); }
.feature-card.amber .feature-icon { background: var(--amber); }
.feature-card h3 { margin: 26px 0 12px; font-size: 22px; }
.feature-card p { margin: 0; color: var(--muted); line-height: 1.62; }
.product-band { padding: 104px max(20px, calc((100vw - 1240px)/2)); color: #fff; background: #0e1723; }
.screen-tabs { margin: 44px 0 22px; display: flex; gap: 4px; border-bottom: 1px solid #344154; }
.screen-tabs button { padding: 14px 20px; color: #9eacbd; background: transparent; border: 0; border-bottom: 3px solid transparent; cursor: pointer; font-weight: 750; }
.screen-tabs button.active { color: #fff; border-bottom-color: var(--cyan); }
.product-screen { margin: 0; }
.product-screen img { width: 100%; border: 1px solid #3a485a; border-radius: 8px; box-shadow: var(--shadow); }
.product-screen figcaption { margin-top: 14px; color: #91a1b5; font-size: 13px; }
.steps { margin: 58px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; list-style: none; border-top: 1px solid #cbd5df; }
.steps li { padding: 30px 28px 0 0; display: grid; grid-template-columns: 58px 1fr; gap: 16px; border-top: 4px solid var(--blue); }
.steps li:nth-child(2) { border-top-color: var(--green); }
.steps li:nth-child(3) { border-top-color: var(--amber); }
.steps span { color: #8a98aa; font-size: 24px; font-weight: 850; }
.steps h3 { margin: 0 0 10px; font-size: 21px; }
.steps p { margin: 0; color: var(--muted); line-height: 1.55; }
.compatibility { padding: 64px clamp(24px, 7vw, 110px); display: flex; align-items: center; justify-content: space-between; gap: 48px; color: #fff; background: #067ba9; }
.compatibility h2 { max-width: 560px; font-size: clamp(30px, 4vw, 52px); }
.version-row { display: grid; grid-template-columns: repeat(3, 90px); gap: 10px; }
.version-row span { min-height: 50px; display: grid; place-items: center; color: #052536; background: #fff; border-radius: 6px; font-weight: 850; }
.pricing .section-heading { margin-bottom: 46px; }
.promo-offer { padding: 28px 30px; display: flex; align-items: center; justify-content: space-between; gap: 30px; color: #fff; background: #123326; border-left: 6px solid var(--green); border-radius: 8px; }
.promo-label { color: #77e5b6; font-size: 12px; font-weight: 850; text-transform: uppercase; }
.promo-offer h3 { margin: 8px 0 7px; font-size: 24px; }
.promo-offer p { margin: 0; color: #c5d8ce; }
.button.promo { flex: 0 0 auto; color: #0a2a1d; background: #78e2b2; }
.plan-builder { margin-top: 20px; display: grid; grid-template-columns: .95fr 1.05fr; background: #fff; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.plan-controls { padding: 34px; display: grid; align-content: start; gap: 34px; background: #edf2f6; }
.control-label { display: block; margin-bottom: 10px; color: #536073; font-size: 13px; font-weight: 750; }
.segmented { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; padding: 4px; background: #dbe3eb; border-radius: 7px; }
.segmented button { min-height: 46px; color: #3e4b5d; background: transparent; border: 0; border-radius: 5px; cursor: pointer; font-weight: 800; }
.segmented button.active { color: #fff; background: #111a26; }
.selected-plan { min-height: 430px; padding: 36px; display: grid; grid-template-rows: auto 1fr auto; }
.plan-kicker { color: #087fb6; font-weight: 850; }
.price { margin-top: 12px; display: flex; align-items: baseline; gap: 6px; }
.price small { font-weight: 850; }
.price strong { font-size: clamp(46px, 6vw, 72px); line-height: 1; }
.price span { color: var(--muted); }
.selected-plan p { color: var(--muted); }
.selected-plan ul { margin: 20px 0 28px; padding: 0; display: grid; gap: 11px; list-style: none; }
.selected-plan li::before { content: "✓"; margin-right: 10px; color: var(--green); font-weight: 900; }
.payment-note { margin: 16px 0 0; color: var(--muted); font-size: 12px; text-align: center; }
.faq-band { padding: 104px max(20px, calc((100vw - 1240px)/2)); color: #fff; background: #141d29; }
.faq-list { margin-top: 44px; border-top: 1px solid #354256; }
details { border-bottom: 1px solid #354256; }
summary { padding: 22px 4px; cursor: pointer; font-size: 18px; font-weight: 750; }
details p { max-width: 800px; margin: 0 0 24px; color: #acb9c9; line-height: 1.6; }
.support { padding: 68px clamp(24px, 7vw, 110px); display: grid; grid-template-columns: 100px 1fr auto; align-items: center; gap: 30px; background: #fff; }
.support > img { width: 92px; height: 92px; object-fit: contain; }
.support h2 { font-size: clamp(28px, 3.2vw, 44px); }
.support p { margin: 8px 0 0; color: var(--muted); }
footer { padding: 34px clamp(24px, 6vw, 96px); display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 30px; color: #9aa8ba; background: #080d14; font-size: 12px; }
.footer-brand { color: #fff; }
.footer-brand img { width: 34px; height: 34px; }
footer p:nth-child(2) { text-align: center; }
@media (max-width: 900px) {
  .site-header nav { position: absolute; top: 72px; left: 0; right: 0; padding: 22px; display: none; flex-direction: column; align-items: stretch; gap: 8px; background: #0b1018; border-top: 1px solid #2a3647; }
  .site-header nav.open { display: flex; }
  .site-header nav a { padding: 12px; }
  .menu-button { display: grid; place-items: center; }
  .hero { min-height: 760px; align-items: flex-end; }
  .hero-media { object-position: 63% center; opacity: .42; }
  .hero-shade { background: linear-gradient(0deg, rgba(6,11,18,.98) 0%, rgba(6,11,18,.7) 65%, rgba(6,11,18,.45) 100%); }
  .hero-content { margin: 0 24px 56px; padding-top: 100px; }
  .feature-grid, .steps { grid-template-columns: 1fr; }
  .feature-card { min-height: auto; }
  .steps { gap: 28px; }
  .compatibility { align-items: flex-start; flex-direction: column; }
  .plan-builder { grid-template-columns: 1fr; }
  .support { grid-template-columns: 72px 1fr; }
  .support > img { width: 70px; height: 70px; }
  .support .button { grid-column: 1 / -1; }
  footer { grid-template-columns: 1fr; text-align: left; }
  footer p:nth-child(2) { text-align: left; }
}
@media (max-width: 560px) {
  .site-header { height: 64px; }
  .site-header nav { top: 64px; }
  .brand img { width: 34px; height: 34px; }
  h1 { font-size: 50px; }
  .hero { min-height: 720px; }
  .hero-actions .button { width: 100%; }
  .hero-facts { display: grid; gap: 12px; }
  .section { width: min(100% - 28px, 1240px); padding: 80px 0; }
  .product-band, .faq-band { padding: 80px 14px; }
  .screen-tabs { overflow-x: auto; }
  .screen-tabs button { white-space: nowrap; }
  .compatibility { padding: 54px 20px; }
  .version-row { width: 100%; grid-template-columns: repeat(2, 1fr); }
  .promo-offer { align-items: stretch; flex-direction: column; }
  .button.promo { width: 100%; }
  .plan-controls, .selected-plan { padding: 24px 18px; }
  .billing { grid-template-columns: 1fr; }
  .support { padding: 54px 20px; grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .button { transition: none; } }