:root {
  color-scheme: dark;
  --bg: #080b16;
  --panel: rgba(24, 31, 58, .72);
  --line: rgba(185, 201, 255, .18);
  --text: #f5f7ff;
  --muted: #a8b2d3;
  --accent: #9eabff;
  --accent-strong: #6f83ff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: radial-gradient(circle at 75% -10%, #293b79 0, transparent 38%), var(--bg);
  color: var(--text);
  font: 16px/1.55 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}
a { color: inherit; text-decoration: none; }
.wrap { width: min(1080px, calc(100% - 40px)); margin: auto; }
header { position: sticky; top: 0; z-index: 20; padding: 16px 0; }
.nav { display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 11px; padding: 7px 12px 7px 7px; border: 1px solid rgba(185, 201, 255, .16); border-radius: 15px; background: rgba(18, 24, 49, .58); box-shadow: 0 8px 25px #0003; backdrop-filter: blur(16px) saturate(140%); -webkit-backdrop-filter: blur(16px) saturate(140%); font-weight: 700; letter-spacing: -.02em; }
.brand-mark { width: 36px; height: 36px; border-radius: 11px; background: #050608 url('icon-iOS-Default-1024@1x.png') center/cover; box-shadow: 0 8px 24px #0008; }
.nav-links { display: flex; gap: 8px; color: var(--muted); font-size: 14px; }
.nav-links a { padding: 8px 12px; border: 1px solid rgba(185, 201, 255, .12); border-radius: 11px; background: rgba(18, 24, 49, .48); box-shadow: 0 6px 18px #0002; backdrop-filter: blur(14px) saturate(140%); -webkit-backdrop-filter: blur(14px) saturate(140%); transition: color .2s, background .2s, transform .2s; }
.nav-links a:hover { color: var(--text); background: rgba(52, 65, 116, .65); transform: translateY(-1px); }
.hero { display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center; min-height: 650px; padding: 70px 0 110px; }
.eyebrow { color: var(--accent); font-size: 13px; letter-spacing: .14em; text-transform: uppercase; font-weight: 700; }
h1 { max-width: 680px; margin: 18px 0; font-size: clamp(46px, 7vw, 82px); line-height: .98; letter-spacing: -.07em; }
.lead { max-width: 560px; color: var(--muted); font-size: 20px; }
.actions { display: flex; align-items: center; gap: 16px; margin-top: 32px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; border-radius: 13px; padding: 12px 18px; background: rgba(158, 171, 255, .78); color: #10152d; font-weight: 750; box-shadow: 0 12px 35px #7184ff45; border: 1px solid rgba(255,255,255,.34); backdrop-filter: blur(14px) saturate(140%); -webkit-backdrop-filter: blur(14px) saturate(140%); transition: transform .2s, background .2s; }
.button:hover { background: #c1c9ff; transform: translateY(-2px); }
.button.secondary { background: rgba(18, 24, 49, .58); color: var(--text); border: 1px solid var(--line); box-shadow: 0 8px 25px #0003; }
.note { color: var(--muted); font-size: 13px; }
.hero-card { border: 1px solid var(--line); border-radius: 28px; padding: 13px; background: linear-gradient(145deg, #3c4e8d99, #11172f88); box-shadow: 0 30px 80px #0006; transform: rotate(2deg); }
.hero-card img { display: block; width: 100%; border-radius: 19px; }
section { padding: 90px 0; }
.section-heading { max-width: 680px; margin-bottom: 34px; }
h2 { margin: 8px 0 10px; font-size: clamp(30px, 5vw, 52px); line-height: 1.03; letter-spacing: -.05em; }
.section-heading p { color: var(--muted); font-size: 18px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: var(--panel); backdrop-filter: blur(18px); }
.card h3 { margin: 0 0 7px; font-size: 19px; }
.card p { margin: 0; color: var(--muted); }
.install { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 25px; padding: 30px; border: 1px solid #9eabff55; border-radius: 24px; background: linear-gradient(120deg, #6576d433, #202b5c99); }
.install p { margin: 5px 0 0; color: var(--muted); }
.compare { display: grid; grid-template-columns: .8fr 1.2fr; gap: 35px; align-items: center; }
.toggle { display: inline-flex; gap: 4px; padding: 4px; border-radius: 12px; background: #10172f; border: 1px solid var(--line); }
.toggle button { border: 0; border-radius: 9px; padding: 9px 13px; color: var(--muted); background: transparent; cursor: pointer; font: inherit; }
.toggle button.active { background: var(--accent); color: #12172d; font-weight: 700; }
.shot { display: none; max-width: 370px; margin: auto; padding: 10px; border: 1px solid var(--line); border-radius: 25px; background: #1c2854; box-shadow: 0 24px 70px #0008; }
.shot.active { display: block; animation: fade .35s ease; }
.shot img { display: block; width: 100%; border-radius: 17px; }
footer { padding: 35px 0 55px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); }
.not-found { min-height: 100vh; display: grid; place-items: center; text-align: center; }
.not-found h1 { font-size: clamp(70px, 16vw, 150px); margin: 0; }
.guide-hero { padding: 80px 0 55px; max-width: 760px; }
.steps { display: grid; gap: 22px; padding-bottom: 90px; }
.step { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 22px; align-items: start; padding: 25px; border: 1px solid var(--line); border-radius: 22px; background: var(--panel); }
.step-number { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 16px; background: var(--accent); color: #10152d; font-weight: 800; font-size: 20px; }
.step h2 { margin: 0 0 8px; font-size: 25px; letter-spacing: -.03em; }
.step p { margin: 0 0 17px; color: var(--muted); }
.step img { display: block; width: min(100%, 620px); max-height: 650px; object-fit: contain; object-position: left top; border-radius: 14px; border: 1px solid var(--line); background: #0b0d15; }
.security-note { display: flex; gap: 14px; align-items: flex-start; margin-top: 24px; padding: 18px; border-left: 3px solid var(--accent); border-radius: 8px; background: #7184ff14; color: var(--muted); }
.security-note strong { color: var(--text); }
@media (max-width: 760px) { .step { grid-template-columns: 1fr; } .step-number { width: 42px; height: 42px; } }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@media (max-width: 760px) { .hero, .compare { grid-template-columns: 1fr; } .hero { padding-top: 45px; } .hero-card { max-width: 430px; margin: auto; } .grid { grid-template-columns: 1fr; } .install { grid-template-columns: 1fr; } .nav-links { display: none; } }