:root {
  color-scheme: dark;
  --navy-950: #050b15;
  --navy-900: #07111f;
  --navy-850: #0a1728;
  --navy-800: #0e2034;
  --ink: #f6f2ea;
  --muted: #aab7c7;
  --muted-strong: #cfdae4;
  --gold: #f1d69a;
  --gold-bright: #ffe8b2;
  --gold-dim: #a7864e;
  --teal: #7bc8c0;
  --line: rgba(241, 214, 154, 0.2);
  --line-soft: rgba(220, 232, 244, 0.12);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--navy-950);
  color: var(--ink);
  font: 16px/1.6 Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(circle at 10% 0%, rgba(74, 115, 159, 0.23), transparent 34rem),
    radial-gradient(circle at 90% 20%, rgba(241, 214, 154, 0.1), transparent 30rem),
    linear-gradient(165deg, var(--navy-900), var(--navy-950) 56%, #081625);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.17;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 78%);
}
a { color: inherit; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--gold-bright); outline-offset: 5px; border-radius: 4px; }
.skip-link { position: absolute; left: 20px; top: -80px; z-index: 10; padding: 10px 16px; border: 1px solid var(--gold); border-radius: 8px; background: var(--navy-800); color: var(--ink); text-decoration: none; }
.skip-link:focus { top: 18px; }
.site-shell { width: min(100%, 1240px); margin: 0 auto; padding: 0 40px; }
.site-header { display: flex; justify-content: space-between; align-items: center; gap: 24px; min-height: 88px; border-bottom: 1px solid var(--line-soft); }
.brand, .footer-brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; }
.brand > span:last-child, .footer-brand > span:last-child { display: grid; gap: 0; }
.brand strong, .footer-brand strong { font: 700 14px/1.1 Georgia, serif; letter-spacing: .18em; }
.brand small, .footer-brand small { color: var(--gold); font-size: 9px; line-height: 1.3; letter-spacing: .2em; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid var(--gold-dim); border-radius: 50%; color: var(--gold-bright); font: 700 18px/1 Georgia, serif; background: rgba(241, 214, 154, .06); box-shadow: inset 0 0 0 3px rgba(241,214,154,.06); }
nav { display: flex; align-items: center; gap: 30px; color: var(--muted); font-size: 13px; }
nav a { text-decoration: none; transition: color .2s ease; }
nav a:hover { color: var(--gold-bright); }
.nav-cta { padding: 9px 16px; border: 1px solid var(--line); border-radius: 999px; color: var(--gold-bright); }
.nav-cta:hover { border-color: var(--gold); background: rgba(241,214,154,.08); }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, .85fr); align-items: center; gap: clamp(48px, 9vw, 128px); min-height: 700px; padding: 90px 0 120px; }
.hero-copy { max-width: 610px; }
.eyebrow { display: flex; align-items: center; gap: 11px; margin: 0 0 20px; color: var(--gold); font-size: 11px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow-line { display: inline-block; width: 30px; height: 1px; background: var(--gold); }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font: 500 clamp(50px, 7vw, 84px)/.98 Georgia, "Times New Roman", serif; letter-spacing: -.035em; }
h1 { margin-bottom: 28px; }
h1 em, h2 em { color: var(--gold-bright); font-style: normal; }
.hero-intro { max-width: 540px; margin-bottom: 34px; color: var(--muted-strong); font-size: clamp(16px, 1.8vw, 19px); line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 54px; padding: 0 20px 0 24px; border-radius: 999px; font-size: 14px; font-weight: 700; letter-spacing: .02em; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--navy-950); background: linear-gradient(135deg, var(--gold-bright), var(--gold)); box-shadow: 0 12px 30px rgba(241,214,154,.15); }
.button-primary:hover { box-shadow: 0 16px 36px rgba(241,214,154,.25); }
.button-arrow { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: rgba(7,17,31,.16); font-size: 17px; }
.text-link { color: var(--muted-strong); font-size: 13px; text-underline-offset: 5px; }
.text-link:hover { color: var(--gold-bright); }
.text-link span { margin-left: 7px; color: var(--gold); }
.trust-row { display: flex; flex-wrap: wrap; gap: 12px 22px; padding: 0; margin: 44px 0 0; color: var(--muted); font-size: 11px; letter-spacing: .04em; list-style: none; }
.trust-row li { display: inline-flex; align-items: center; gap: 7px; }
.trust-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 4px rgba(123,200,192,.09); }
.hero-art { position: relative; display: grid; place-items: center; min-height: 480px; isolation: isolate; }
.hero-art::before { content: ""; position: absolute; width: min(74vw, 420px); aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(241,214,154,.17), rgba(241,214,154,.03) 48%, transparent 70%); filter: blur(5px); z-index: -2; }
.art-orbit { position: absolute; border: 1px solid var(--line); border-radius: 50%; transform: rotate(-20deg); }
.art-orbit-one { width: min(82vw, 480px); aspect-ratio: 1; border-left-color: transparent; border-bottom-color: rgba(241,214,154,.5); }
.art-orbit-two { width: min(64vw, 355px); aspect-ratio: 1; border-top-color: rgba(123,200,192,.45); border-right-color: transparent; transform: rotate(35deg); }
.icon-card { width: min(66vw, 310px); padding: 13px; border: 1px solid rgba(241,214,154,.47); border-radius: 28px; background: linear-gradient(145deg, rgba(27,54,80,.88), rgba(7,17,31,.94)); box-shadow: var(--shadow), 0 0 0 10px rgba(241,214,154,.035); transform: rotate(4deg); }
.icon-card-topline, .icon-card-caption { display: flex; justify-content: space-between; align-items: center; color: var(--gold); font-size: 9px; letter-spacing: .2em; }
.icon-card-topline { padding: 5px 8px 11px; }
.icon-card img { display: block; width: 100%; height: auto; border-radius: 17px; aspect-ratio: 1; object-fit: cover; }
.icon-card-caption { padding: 13px 8px 4px; color: var(--muted-strong); letter-spacing: .08em; text-transform: uppercase; }
.caption-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--gold); }
.number-chip { position: absolute; display: grid; place-items: center; width: 52px; height: 52px; border: 1px solid var(--line); border-radius: 50%; color: var(--gold-bright); font: 500 19px/1 Georgia, serif; background: rgba(10,29,49,.8); box-shadow: 0 12px 25px rgba(0,0,0,.22); }
.chip-seven { top: 17%; left: 6%; }
.chip-twentyfour { right: 6%; top: 31%; }
.chip-fortytwo { left: 3%; bottom: 13%; }
.art-label { position: absolute; right: 0; bottom: 9%; color: var(--muted); font-size: 9px; letter-spacing: .18em; line-height: 1.7; text-align: left; }
.art-label strong { color: var(--gold); font-weight: 700; }
.section { padding: 112px 0; border-top: 1px solid var(--line-soft); }
.section-heading { max-width: 480px; }
.section-heading h2 { margin-bottom: 25px; font-size: clamp(42px, 6vw, 66px); }
.feature-grid { display: grid; grid-template-columns: 1.25fr 1fr 1fr; gap: 14px; margin-top: 48px; }
.feature-card { position: relative; min-height: 250px; padding: 30px; border: 1px solid var(--line-soft); border-radius: 18px; background: linear-gradient(145deg, rgba(22,46,70,.72), rgba(8,20,34,.62)); overflow: hidden; }
.feature-card::after { content: ""; position: absolute; right: -38px; bottom: -62px; width: 150px; aspect-ratio: 1; border: 1px solid rgba(241,214,154,.12); border-radius: 50%; box-shadow: 0 0 0 20px rgba(241,214,154,.025), 0 0 0 40px rgba(241,214,154,.02); }
.feature-card-large { background: linear-gradient(145deg, rgba(40,66,91,.84), rgba(9,25,42,.82)); }
.feature-index { color: var(--gold); font-size: 10px; letter-spacing: .18em; }
.feature-icon { margin: 27px 0 18px; color: var(--gold-bright); font-size: 31px; line-height: 1; }
.feature-card h3 { margin-bottom: 10px; font: 500 22px/1.2 Georgia, serif; }
.feature-card p { max-width: 260px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.install-section { display: grid; gap: 28px; align-items: start; }
.install-panel { display: grid; grid-template-columns: .95fr 1.05fr; gap: 90px; align-items: center; }
.install-heading > p:last-child { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.8; }
.steps-list { display: grid; gap: 0; padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--line-soft); }
.steps-list li { display: grid; grid-template-columns: 50px 1fr; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line-soft); }
.step-number { color: var(--gold); font: 12px/1 Georgia, serif; letter-spacing: .12em; }
.steps-list strong { display: block; margin-bottom: 3px; color: var(--ink); font-size: 15px; }
.steps-list small { display: block; color: var(--muted); font-size: 13px; line-height: 1.6; }
.install-note { grid-column: 1 / -1; display: flex; align-items: flex-start; gap: 14px; padding: 18px 20px; border: 1px solid rgba(123,200,192,.24); border-radius: 12px; background: rgba(123,200,192,.055); }
.note-icon { display: grid; flex: 0 0 auto; place-items: center; width: 22px; height: 22px; border: 1px solid var(--teal); border-radius: 50%; color: var(--teal); font: 700 12px/1 Georgia, serif; }
.install-note p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.install-note strong { color: var(--muted-strong); }
.button-wide { grid-column: 1 / -1; justify-self: start; }
.faq-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; }
.faq-list { border-top: 1px solid var(--line-soft); }
details { border-bottom: 1px solid var(--line-soft); }
summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 24px 0; color: var(--muted-strong); cursor: pointer; font: 500 18px/1.35 Georgia, serif; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--gold); font: 24px/1 Arial, sans-serif; }
details[open] summary::after { content: "–"; }
details p { max-width: 620px; margin: -4px 35px 24px 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.site-footer { display: flex; align-items: center; flex-wrap: wrap; gap: 20px 40px; padding: 30px 0 45px; border-top: 1px solid var(--line-soft); color: var(--muted); font-size: 12px; }
.site-footer p { margin: 0; }
.footer-meta { margin-left: auto !important; color: var(--gold-dim); }
@media (max-width: 900px) {
  .site-shell { padding: 0 24px; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding: 82px 0 100px; }
  .hero-copy { max-width: 680px; }
  .hero-art { min-height: 450px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .feature-card-large { grid-column: 1 / -1; min-height: 210px; }
  .install-panel, .faq-section { grid-template-columns: 1fr; gap: 45px; }
  .faq-section { gap: 25px; }
}
@media (max-width: 580px) {
  .site-shell { padding: 0 18px; }
  .site-header { min-height: 76px; }
  nav { gap: 15px; font-size: 12px; }
  nav a:nth-child(1) { display: none; }
  .nav-cta { padding: 8px 12px; }
  .hero { gap: 30px; padding: 30px 0 76px; }
  h1 { font-size: clamp(48px, 15vw, 70px); }
  .hero-intro { font-size: 16px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .trust-row { margin-top: 34px; gap: 10px 15px; font-size: 10px; }
  .hero-art { order: -1; min-height: 225px; margin-top: 0; }
  .icon-card { width: 175px; padding: 9px; border-radius: 20px; }
  .icon-card img { border-radius: 12px; }
  .art-orbit-one { width: 250px; }
  .art-orbit-two { width: 200px; }
  .number-chip { width: 35px; height: 35px; font-size: 14px; }
  .chip-seven { left: 8%; }
  .chip-twentyfour { right: 8%; }
  .chip-fortytwo { left: 12%; }
  .art-label { right: 1%; bottom: 6%; font-size: 8px; }
  .section { padding: 78px 0; }
  .feature-grid { grid-template-columns: 1fr; margin-top: 34px; }
  .feature-card-large { grid-column: auto; }
  .feature-card { min-height: 220px; padding: 25px; }
  .install-note { padding: 16px; }
  .button-wide { width: 100%; }
  .site-footer { align-items: flex-start; flex-direction: column; gap: 14px; }
  .footer-meta { margin-left: 0 !important; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}