:root {
  color-scheme: dark;
  --ink: #101820;
  --ink-deep: #0b1118;
  --panel: #17222d;
  --panel-soft: #1d2b37;
  --line: rgba(230, 237, 241, .14);
  --text: #f7f7f2;
  --muted: #abb7bd;
  --accent: #f2b861;
  --accent-pale: #ffd797;
  --content: 1160px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--ink-deep); font-size: 16px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; border-radius: 5px; }
img { max-width: 100%; }
main { overflow: hidden; }
.section-wrap { width: min(calc(100% - 64px), var(--content)); margin-inline: auto; }
.site-header { position: relative; z-index: 10; border-bottom: 1px solid var(--line); background: rgba(11, 17, 24, .94); }
.header-inner { width: min(calc(100% - 64px), var(--content)); min-height: 84px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-size: 19px; font-weight: 750; letter-spacing: -.045em; white-space: nowrap; }
.brand img { border-radius: 11px; box-shadow: 0 8px 20px rgba(0, 0, 0, .2); }
.site-header nav { display: flex; align-items: center; gap: clamp(18px, 2.5vw, 36px); }
.site-header nav a { text-decoration: none; color: #b9c4ca; font-size: 14px; font-weight: 600; white-space: nowrap; }
.site-header nav a:hover { color: var(--text); }
.site-header nav .nav-cta { color: #1c1a18; background: var(--accent); border-radius: 9px; padding: 10px 15px; }
.site-header nav .nav-cta:hover { background: var(--accent-pale); color: #1c1a18; }
.hero { min-height: 570px; display: grid; grid-template-columns: minmax(0, 1.13fr) minmax(340px, .87fr); gap: 62px; align-items: center; padding-top: 55px; padding-bottom: 82px; }
.hero-copy { position: relative; z-index: 1; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 22px; font-size: 12px; line-height: 1.3; font-weight: 760; text-transform: uppercase; letter-spacing: .16em; color: var(--accent); }
.eyebrow-mark { width: 9px; height: 9px; background: var(--accent); border-radius: 50%; box-shadow: 0 0 0 7px rgba(242,184,97,.12); }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(64px, 8vw, 112px); line-height: .94; letter-spacing: -.085em; font-weight: 790; margin-bottom: 28px; }
h1 em { font-style: normal; color: var(--accent); }
.hero-description { max-width: 575px; color: #c6d0d4; font-size: 19px; line-height: 1.6; margin-bottom: 31px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 17px; min-height: 54px; padding: 0 22px; text-decoration: none; border: 1px solid transparent; border-radius: 11px; font-size: 15px; font-weight: 760; transition: transform .15s, background .15s, border-color .15s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #191c1f; background: var(--accent); box-shadow: 0 8px 30px rgba(234, 152, 46, .12); }
.button-primary:hover { background: var(--accent-pale); }
.button-secondary { color: var(--text); border-color: rgba(230,237,241,.23); background: rgba(255,255,255,.02); }
.button-secondary:hover { border-color: rgba(230,237,241,.5); background: rgba(255,255,255,.06); }
.hero-note { color: #8999a3; margin: 16px 0 0; font-size: 13px; }
.hero-art { min-height: 440px; position: relative; border: 1px solid rgba(238, 192, 120, .23); border-radius: 27px; display: grid; place-items: center; overflow: hidden; isolation: isolate; background: radial-gradient(circle at 50% 36%, #344253 0, #1d2b37 45%, #131e28 85%); box-shadow: 0 24px 90px rgba(0,0,0,.24), inset 0 1px 0 rgba(255,255,255,.09); }
.hero-art::after { content: ""; position: absolute; z-index: -1; width: 460px; height: 460px; border: 1px solid rgba(255, 218, 154, .15); border-radius: 50%; box-shadow: 0 0 0 55px rgba(255, 218, 154, .025), 0 0 0 110px rgba(255, 218, 154, .017); }
.art-grid { position: absolute; inset: 0; opacity: .12; background-image: linear-gradient(rgba(255,255,255,.25) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.25) 1px, transparent 1px); background-size: 38px 38px; mask-image: linear-gradient(to bottom, black, transparent 80%); }
.hero-icon { position: relative; z-index: 1; width: min(60%, 270px); height: auto; transform: rotate(-8deg) translateY(-20px); border-radius: 25%; filter: drop-shadow(0 30px 26px rgba(0,0,0,.42)); }
.icon-shadow { position: absolute; top: 66%; left: 21%; right: 21%; height: 25px; border-radius: 50%; background: rgba(0,0,0,.55); filter: blur(18px); }
.art-caption { position: absolute; left: 27px; right: 27px; bottom: 25px; display: flex; align-items: baseline; justify-content: space-between; gap: 14px; border-top: 1px solid rgba(255,255,255,.16); padding-top: 16px; color: #e9eef0; font-size: 14px; }
.art-caption .caption-kicker { font-size: 11px; font-weight: 800; letter-spacing: .19em; color: #f4c887; }
.art-caption strong { font-weight: 630; }
.value-strip { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.value-strip > div { padding: 28px 28px 30px 0; }
.value-strip > div + div { padding-left: 32px; border-left: 1px solid var(--line); }
.strip-index { display: block; margin-bottom: 22px; color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: .15em; }
.value-strip strong { display: block; font-size: 20px; letter-spacing: -.04em; margin-bottom: 7px; }
.value-strip p { color: var(--muted); margin: 0; font-size: 15px; }
.flow { padding-top: 134px; padding-bottom: 138px; }
.section-heading { max-width: 630px; margin-bottom: 42px; }
h2 { font-size: clamp(39px, 5vw, 68px); line-height: 1.04; letter-spacing: -.065em; font-weight: 750; margin-bottom: 20px; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.step { min-height: 265px; padding: 28px; border: 1px solid var(--line); border-radius: 17px; background: linear-gradient(145deg, rgba(255,255,255,.033), transparent 62%), var(--panel); }
.step > span { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid rgba(242,184,97,.45); color: var(--accent); border-radius: 9px; font-weight: 800; margin-bottom: 47px; }
.step h3 { font-size: 21px; letter-spacing: -.035em; margin-bottom: 10px; }
.step p { color: var(--muted); font-size: 15px; margin: 0; }
.compat { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr); gap: 60px; padding: 70px; border: 1px solid rgba(242,184,97,.17); border-radius: 24px; background: linear-gradient(120deg, #273139, #1c2935 68%, #17232e); }
.compat h2 { max-width: 550px; }
.compat-main > p:not(.eyebrow) { color: #c0ccd0; font-size: 16px; max-width: 620px; }
.compat-main > p:last-child { margin-bottom: 0; }
.compat-main a { color: var(--accent-pale); text-underline-offset: 3px; }
.compat-facts { align-self: center; border-top: 1px solid rgba(255,255,255,.18); }
.compat-facts > div { display: flex; justify-content: space-between; align-items: baseline; gap: 26px; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.compat-facts span { flex: 0 0 104px; color: #9daeb7; font-size: 13px; }
.compat-facts strong { text-align: right; font-size: 14px; font-weight: 650; }
.availability { padding-top: 144px; padding-bottom: 95px; display: flex; align-items: center; justify-content: space-between; gap: 60px; }
.availability > div:first-child { max-width: 590px; }
.availability h2 { margin-bottom: 14px; }
.availability p:not(.eyebrow) { color: var(--muted); margin: 0; font-size: 17px; }
.availability-action { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; min-width: 290px; }
.availability-action .button { width: 100%; }
.availability-action > span { color: #8e9da7; font-size: 13px; }
.availability-action > span a { color: var(--accent-pale); }
.install-guide { border-top: 1px solid var(--line); padding-top: 90px; padding-bottom: 145px; }
.install-guide .section-heading { margin-bottom: 34px; }
.install-guide ol { list-style: none; counter-reset: step; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; padding: 0; margin: 0 0 30px; }
.install-guide li { min-height: 215px; padding: 27px; border: 1px solid var(--line); border-radius: 17px; background: var(--panel); }
.install-guide li::before { counter-increment: step; content: counter(step, decimal-leading-zero); display: block; color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: .15em; margin-bottom: 33px; }
.install-guide li strong { display: block; font-size: 19px; letter-spacing: -.035em; margin-bottom: 9px; }
.install-guide li span { display: block; color: var(--muted); font-size: 15px; }
.install-guide li a { color: var(--accent-pale); }
.install-warning { color: #aebdc5; font-size: 14px; max-width: 850px; margin: 0; }
.install-guide > p:last-child { color: var(--muted); font-size: 15px; margin: 18px 0 0; }
.install-guide > p:last-child a { color: var(--accent-pale); }
.footer { display: grid; grid-template-columns: 1fr auto; gap: 20px 50px; padding: 34px 0 52px; border-top: 1px solid var(--line); }
.footer-brand { font-size: 17px; }
.footer > div:first-child p { color: #8e9da7; font-size: 14px; margin: 10px 0 0; }
.footer-links { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 25px; }
.footer-links a { color: #adbcc3; text-decoration: none; font-size: 14px; }
.footer-links a:hover { color: var(--text); }
.legal-line { grid-column: 1 / -1; margin: 17px 0 0; color: #75858f; font-size: 12px; line-height: 1.5; }
.article { max-width: 850px; padding-top: 85px; padding-bottom: 115px; }
.article h1 { font-size: clamp(48px, 6vw, 76px); line-height: 1.02; margin-bottom: 19px; }
.article .lead { color: #c5d0d5; font-size: 20px; line-height: 1.6; margin-bottom: 55px; }
.article h2 { font-size: 29px; line-height: 1.15; letter-spacing: -.04em; margin: 55px 0 15px; }
.article p, .article li { color: #bbc8ce; font-size: 17px; line-height: 1.7; }
.article li + li { margin-top: 8px; }
.article a:not(.button) { color: #ffd18a; }
.article .callout { padding: 20px 24px; border-left: 3px solid var(--accent); background: var(--panel); border-radius: 0 10px 10px 0; }
.article .callout p { margin: 0; }
.article code { color: #f7d79e; background: #273542; border-radius: 5px; padding: 2px 5px; font-size: .88em; }
@media (max-width: 920px) {
  .hero { grid-template-columns: 1fr; gap: 35px; padding-top: 70px; }
  .hero-art { min-height: 400px; }
  .compat { grid-template-columns: 1fr; gap: 35px; padding: 45px; }
  .availability { padding-top: 100px; padding-bottom: 110px; }
  .install-guide ol { grid-template-columns: 1fr; }
  .install-guide li { min-height: 0; }
}
@media (max-width: 650px) {
  .section-wrap, .header-inner { width: min(calc(100% - 36px), var(--content)); }
  .header-inner { min-height: 70px; }
  .site-header nav { gap: 13px; }
  .site-header nav a:not(.nav-cta) { display: none; }
  .site-header nav .nav-cta { font-size: 13px; padding: 9px 12px; }
  .brand { font-size: 17px; }
  .brand img { width: 32px; height: 32px; }
  .hero { min-height: 0; padding-top: 62px; padding-bottom: 65px; }
  h1 { font-size: clamp(59px, 15vw, 84px); }
  .hero-description { font-size: 17px; }
  .hero-note { font-size: 12px; }
  .hero-art { min-height: 340px; }
  .hero-icon { width: min(55%, 210px); }
  .art-caption { font-size: 12px; left: 20px; right: 20px; }
  .value-strip { grid-template-columns: 1fr; }
  .value-strip > div { padding: 22px 0; }
  .value-strip > div + div { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .strip-index { margin-bottom: 7px; }
  .flow { padding-top: 88px; padding-bottom: 90px; }
  .steps { grid-template-columns: 1fr; }
  .step { min-height: 0; padding: 25px; }
  .step > span { margin-bottom: 32px; }
  .compat { padding: 32px 23px; }
  .compat-facts > div { flex-direction: column; gap: 3px; }
  .compat-facts strong { text-align: left; }
  .availability { flex-direction: column; align-items: stretch; gap: 28px; padding-top: 95px; padding-bottom: 85px; }
  .availability-action { min-width: 0; }
  .install-guide { padding-top: 75px; padding-bottom: 100px; }
  .footer { grid-template-columns: 1fr; }
  .footer-links { gap: 19px; }
  .article { padding-top: 62px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .button { transition: none; } }