:root {
  color-scheme: dark;
  --ink: #f5f7fb;
  --muted: #aab6c7;
  --navy: #07111f;
  --navy-soft: #0d1c30;
  --panel: #10243a;
  --line: rgba(255, 255, 255, .12);
  --blue: #65b8e8;
  --amber: #f5bd4c;
  --max: 1180px;
  --narrow: 900px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--navy); color: var(--ink); font: 16px/1.65 -apple-system, BlinkMacSystemFont, "SF Pro Display", Inter, sans-serif; }
img { max-width: 100%; display: block; }
a { color: inherit; }
.shell-wide { width: min(var(--max), calc(100% - 48px)); margin-inline: auto; }
.shell-narrow { width: min(var(--narrow), calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 10; padding: 10px 14px; border-radius: 8px; background: var(--amber); color: var(--navy); font-weight: 800; }
.skip-link:focus { top: 16px; }
.site-header { display: flex; justify-content: space-between; align-items: center; padding-block: 22px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-size: 1.12rem; font-weight: 850; letter-spacing: -.02em; text-decoration: none; }
.brand img { border-radius: 10px; box-shadow: 0 8px 22px rgba(0, 0, 0, .2); }
nav { display: flex; gap: 26px; color: var(--muted); font-size: .94rem; font-weight: 650; }
nav a, .footer-links a { text-decoration: none; }
nav a:hover, nav a:focus-visible, .footer-links a:hover, .footer-links a:focus-visible { color: var(--amber); }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, .8fr); gap: 8%; align-items: center; min-height: 700px; padding-block: 52px 88px; }
.hero-copy { position: relative; z-index: 1; }
.eyebrow { margin: 0 0 18px; color: var(--amber); font-size: .75rem; font-weight: 850; letter-spacing: .18em; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 700px; margin-bottom: 26px; font-size: clamp(3.4rem, 8vw, 6.8rem); line-height: .92; letter-spacing: -.075em; }
h1 span { color: var(--amber); }
h2 { margin-bottom: 20px; font-size: clamp(2.25rem, 5vw, 4rem); line-height: 1; letter-spacing: -.055em; }
h3 { margin-bottom: 10px; font-size: 1.12rem; letter-spacing: -.02em; }
.hero-lead { max-width: 580px; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.3rem); }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; margin: 36px 0 24px; }
.button { display: inline-flex; align-items: center; gap: 12px; padding: 13px 19px; border: 1px solid var(--amber); border-radius: 999px; background: var(--amber); color: #131f2d; font-weight: 850; text-decoration: none; box-shadow: 0 12px 30px rgba(245, 189, 76, .16); transition: transform .2s ease, box-shadow .2s ease; }
.button:hover, .button:focus-visible { transform: translateY(-2px); box-shadow: 0 16px 36px rgba(245, 189, 76, .25); }
.text-link { color: var(--amber); font-weight: 750; text-underline-offset: 4px; }
.quiet-note { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: .88rem; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #61d095; box-shadow: 0 0 0 5px rgba(97, 208, 149, .12); }
.hero-visual { position: relative; display: grid; place-items: center; min-height: 560px; }
.glow { position: absolute; width: 90%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(43, 129, 176, .42), transparent 67%); filter: blur(5px); }
.phone-frame { position: relative; width: min(300px, 70%); padding: 9px; border: 1px solid rgba(255,255,255,.32); border-radius: 42px; background: #02060b; box-shadow: 0 32px 80px rgba(0, 0, 0, .52), 0 0 0 8px rgba(255,255,255,.04); transform: rotate(3deg); }
.phone-frame::after { content: ""; position: absolute; inset: 9px; border-radius: 34px; box-shadow: inset 0 0 0 1px rgba(255,255,255,.13); pointer-events: none; }
.phone-frame img { width: 100%; aspect-ratio: 1320 / 2868; object-fit: cover; object-position: top; border-radius: 34px; }
.phone-notch { position: absolute; z-index: 1; top: 17px; left: 50%; width: 34%; height: 23px; border-radius: 20px; background: #02060b; transform: translateX(-50%); }
.floating-card { position: absolute; display: flex; align-items: center; gap: 10px; padding: 12px 15px; border: 1px solid var(--line); border-radius: 15px; background: rgba(16, 36, 58, .86); box-shadow: 0 15px 34px rgba(0,0,0,.28); backdrop-filter: blur(14px); }
.floating-card strong, .floating-card small { display: block; }
.floating-card strong { font-size: .84rem; }
.floating-card small { color: var(--muted); font-size: .72rem; }
.floating-card-top { top: 17%; right: -2%; }
.floating-card-bottom { bottom: 15%; left: -5%; }
.status-icon, .alarm-icon { display: grid; place-items: center; width: 27px; height: 27px; border-radius: 9px; background: rgba(97,208,149,.15); color: #75e1a5; font-weight: 900; }
.alarm-icon { background: rgba(245,189,76,.15); color: var(--amber); }
.trust-strip { display: flex; justify-content: space-between; gap: 20px; padding-block: 22px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--muted); font-size: .85rem; font-weight: 700; }
.trust-strip span::before { content: "✦"; margin-right: 9px; color: var(--amber); }
.section { padding-block: 125px; }
.section-heading { max-width: 670px; margin-bottom: 58px; }
.section-heading > p:last-child, .feature-grid > div > p:not(.eyebrow), .closing-cta p:not(.eyebrow) { color: var(--muted); font-size: 1.08rem; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; overflow: hidden; border: 1px solid var(--line); border-radius: 22px; background: var(--line); }
.step { min-height: 240px; padding: 28px; background: var(--navy-soft); }
.step-number, .feature-list span { display: block; margin-bottom: 32px; color: var(--amber); font-size: .8rem; font-weight: 850; letter-spacing: .14em; }
.step p, .feature-list p { margin-bottom: 0; color: var(--muted); }
.feature-band { background: linear-gradient(135deg, #102d49, #0b192a 68%); }
.feature-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 12%; padding-block: 110px; }
.feature-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.feature-list > div { padding: 25px 0; border-bottom: 1px solid var(--line); }
.feature-list span { display: inline; margin: 0 15px 0 0; }
.feature-list strong { font-size: 1.05rem; }
.feature-list p { margin: 7px 0 0 40px; font-size: .92rem; }
.faq-section { padding-bottom: 120px; }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
details { padding: 21px 23px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.035); }
summary { cursor: pointer; font-weight: 750; }
details p { margin: 13px 0 0; color: var(--muted); font-size: .95rem; }
.closing-cta { display: flex; justify-content: space-between; align-items: center; gap: 30px; margin-bottom: 100px; padding: 46px 52px; border: 1px solid rgba(245,189,76,.32); border-radius: 24px; background: linear-gradient(110deg, rgba(245,189,76,.14), rgba(101,184,232,.08)); }
.closing-cta h2 { max-width: 580px; margin-bottom: 0; }
.button-light { flex: 0 0 auto; background: var(--ink); border-color: var(--ink); color: var(--navy); box-shadow: none; }
.site-footer { display: grid; grid-template-columns: 1fr auto; gap: 20px; padding-block: 28px 42px; border-top: 1px solid var(--line); }
.footer-brand p { margin: 10px 0 0; color: var(--muted); font-size: .86rem; }
.footer-links { display: flex; align-items: center; flex-wrap: wrap; justify-content: flex-end; gap: 20px; color: var(--muted); font-size: .86rem; }
.copyright { grid-column: 1 / -1; margin: 10px 0 0; color: #68788d; font-size: .78rem; }
.prose { max-width: 780px; padding-block: 64px 100px; }
.prose .site-header { width: 100%; }
.prose h1 { margin-top: 55px; font-size: clamp(2.8rem, 7vw, 5rem); }
.prose h2 { margin-top: 42px; font-size: 1.55rem; letter-spacing: -.03em; }
.prose p { color: #d6dee9; }
.prose .muted { color: var(--muted) !important; }
.prose-footer { margin-top: 65px; padding-top: 25px; border-top: 1px solid var(--line); }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; gap: 20px; padding-top: 35px; }
  .hero-visual { min-height: 530px; }
  .feature-grid { grid-template-columns: 1fr; gap: 60px; }
}
@media (max-width: 620px) {
  .shell-wide, .shell-narrow { width: min(100% - 32px, var(--max)); }
  .site-header { padding-block: 16px; }
  nav { gap: 13px; font-size: .8rem; }
  nav a:nth-child(1) { display: none; }
  h1 { font-size: clamp(3.1rem, 17vw, 5rem); }
  .hero { min-height: 0; padding-block: 62px 70px; }
  .hero-visual { min-height: 465px; }
  .phone-frame { width: min(260px, 68%); }
  .floating-card { padding: 9px 11px; }
  .floating-card-top { right: -3%; }
  .floating-card-bottom { left: -3%; }
  .trust-strip { display: grid; grid-template-columns: 1fr 1fr; font-size: .78rem; }
  .trust-strip span:last-child { grid-column: 1 / -1; }
  .section { padding-block: 85px; }
  .steps, .faq-grid { grid-template-columns: 1fr; }
  .step { min-height: auto; }
  .closing-cta { display: block; margin-bottom: 72px; padding: 31px 25px; }
  .closing-cta .button { margin-top: 28px; }
  .site-footer { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
  .copyright { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}