/* Visyon: dark cinema theme. Near-black bands, electric-blue light accent, orange Amazon buy buttons, light paper for long reading */
:root {
  --bg: #07090F;
  --panel: #0F1420;
  --panel-2: #161D2E;
  --line: rgba(255, 255, 255, .09);
  --text: #E9EDF6;
  --muted: #9AA6BD;
  --blue: #5C8DFF;
  --cyan: #45D3FF;
  --buy: #FF8A1F;
  --buy-dark: #EE7406;
  --paper: #F5F7FB;
  --paper-line: #E2E7F0;
  --ink: #141A26;
  --ink-muted: #556075;
  --display: "Sora", system-ui, sans-serif;
  --body: "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--body); font-size: 16px; line-height: 1.6; }
h1, h2, h3, h4 { margin: 0; text-wrap: balance; }
p { margin: 0; }
a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; scroll-behavior: auto !important; } }

.wrap { max-width: 1200px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.skip { position: absolute; left: -999px; top: 8px; background: #fff; color: #000; padding: 8px 12px; z-index: 100; }
.skip:focus { left: 8px; }

/* ---------- header ---------- */
.bar { background: #000; color: var(--muted); font-size: 13px; text-align: center; padding: 8px 16px; letter-spacing: .02em; }
.bar b { color: var(--text); font-weight: 600; }
.site-header { background: rgba(7, 9, 15, .86); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 30; }
.site-header .wrap { display: flex; align-items: center; gap: 28px; padding-block: 12px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; margin-right: auto; color: #fff; }
.logo svg { width: 36px; height: 36px; flex: none; }
.logo span { font: 600 20px var(--display); letter-spacing: .14em; }
.site-nav { display: flex; gap: 26px; font-size: 15px; color: var(--muted); }
.site-nav a { text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: #fff; }

.region { display: inline-flex; border-radius: 999px; overflow: hidden; border: 1px solid var(--line); font: 600 13px var(--body); color: var(--muted); }
.region button { border: 0; background: transparent; color: inherit; padding: 6px 11px; cursor: pointer; font: inherit; }
.region button[aria-pressed="true"] { background: #fff; color: var(--bg); }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; text-decoration: none; font: 600 16px var(--body); border-radius: 12px; padding: 14px 24px; border: 0; cursor: pointer; background: var(--buy); color: #111; transition: transform .15s, background .15s, color .15s; }
.btn:hover { background: var(--buy-dark); transform: translateY(-1px); }
.btn svg { width: 18px; height: 18px; flex: none; }
.btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(255, 255, 255, .28); }
.btn-ghost:hover { background: #fff; color: var(--bg); }
.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: #4776EE; }
.light .btn-ghost { color: var(--ink); border-color: var(--ink); }
.light .btn-ghost:hover { background: var(--ink); color: #fff; }
.price { font-variant-numeric: tabular-nums; }
.soon { display: inline-block; font: 600 12px var(--display); letter-spacing: .12em; text-transform: uppercase; color: var(--cyan); border: 1px solid rgba(69, 211, 255, .4); border-radius: 999px; padding: 4px 10px; }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; background: radial-gradient(1200px 600px at 75% 20%, rgba(92, 141, 255, .22), transparent 60%), radial-gradient(800px 500px at 10% 90%, rgba(69, 211, 255, .10), transparent 60%), var(--bg); }
.hero .wrap { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; padding-block: 72px 88px; }
.eyebrow { font: 600 13px var(--display); letter-spacing: .2em; text-transform: uppercase; color: var(--cyan); }
.hero h1 { font: 600 clamp(38px, 5.6vw, 66px)/1.04 var(--display); letter-spacing: -.025em; margin: 18px 0 20px; }
.hero h1 em { font-style: normal; background: linear-gradient(90deg, var(--blue), var(--cyan)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lede { color: var(--muted); font-size: 18px; max-width: 46ch; margin-bottom: 30px; }
.hero .ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.screen { position: relative; border-radius: 22px; overflow: hidden; border: 1px solid var(--line); box-shadow: 0 40px 90px rgba(0, 0, 0, .55), 0 0 0 1px rgba(92, 141, 255, .15); }
.screen img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.screen .tag { position: absolute; left: 16px; bottom: 16px; background: rgba(7, 9, 15, .8); backdrop-filter: blur(6px); border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; font-size: 14px; color: var(--muted); }
.screen .tag b { color: #fff; font: 600 15px var(--display); display: block; }

.page-hero { background: radial-gradient(900px 400px at 85% 0%, rgba(92, 141, 255, .18), transparent 60%), var(--bg); border-bottom: 1px solid var(--line); }
.page-hero .wrap { padding-block: 56px; }
.page-hero h1 { font: 600 clamp(32px, 4.6vw, 52px)/1.08 var(--display); letter-spacing: -.02em; margin-top: 14px; }
.page-hero p { color: var(--muted); font-size: 18px; max-width: 62ch; margin-top: 14px; }

/* ---------- trust strip ---------- */
.trust { background: var(--panel); border-block: 1px solid var(--line); }
.trust .wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; padding-block: 22px; }
.trust div { display: flex; gap: 12px; align-items: center; font-size: 14px; color: var(--muted); }
.trust b { display: block; color: #fff; font: 600 15px var(--display); }
.trust svg { flex: none; width: 36px; height: 36px; padding: 8px; border-radius: 10px; background: var(--panel-2); color: var(--cyan); }

/* ---------- sections ---------- */
.block .wrap { padding-block: 88px; }
.kicker { font: 600 13px var(--display); letter-spacing: .18em; text-transform: uppercase; color: var(--cyan); }
.block h2 { font: 600 clamp(28px, 3.8vw, 44px)/1.1 var(--display); letter-spacing: -.02em; margin: 10px 0 14px; }
.sub { color: var(--muted); max-width: 60ch; }
.panel { background: var(--panel); }
.light { background: var(--paper); color: var(--ink); }
.light .kicker { color: #2F5BD8; }
.light .sub { color: var(--ink-muted); }

/* product range cards */
.range { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 40px; }
.pcard { background: var(--panel); border: 1px solid var(--line); border-radius: 20px; overflow: hidden; display: flex; flex-direction: column; transition: border-color .2s, transform .2s; }
.pcard:hover { border-color: rgba(92, 141, 255, .5); transform: translateY(-2px); }
.pcard .pic { background: #fff; aspect-ratio: 4 / 5; display: block; overflow: hidden; }
.pcard .pic img { width: 100%; height: 100%; object-fit: cover; }
.pcard .body { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.pcard h3 { font: 600 24px var(--display); }
.pcard h3 a { text-decoration: none; }
.pcard .line { color: var(--muted); font-size: 15px; }
.pcard ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; font-size: 14px; color: var(--text); }
.pcard li::before { content: "•"; color: var(--cyan); margin-right: 8px; }
.pcard .foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-top: 10px; }
.pcard .foot .price { font: 600 24px var(--display); }
.pcard .foot .btn { padding: 11px 16px; font-size: 15px; }
.pcard .links { display: flex; gap: 10px; }

/* features */
.fgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 38px; }
.fgrid > div { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 24px; }
.fgrid svg { width: 44px; height: 44px; padding: 10px; border-radius: 12px; background: rgba(92, 141, 255, .14); color: var(--cyan); margin-bottom: 16px; }
.fgrid h3 { font: 600 18px var(--display); margin-bottom: 6px; }
.fgrid p { color: var(--muted); font-size: 15px; }

.feat { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.feat + .feat { margin-top: 84px; }
.feat.rev > :first-child { order: 2; }
.feat img { border-radius: 20px; width: 100%; aspect-ratio: 1; object-fit: cover; border: 1px solid var(--line); }
.ticks { margin: 22px 0 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.ticks li { padding-left: 26px; position: relative; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .5em; width: 12px; height: 12px; border-radius: 50%; background: radial-gradient(circle, var(--cyan) 35%, transparent 40%); box-shadow: 0 0 0 2px rgba(69, 211, 255, .35); }

/* compare table */
.ctable { overflow-x: auto; margin-top: 34px; border: 1px solid var(--line); border-radius: 16px; }
.ctable table { width: 100%; border-collapse: collapse; min-width: 640px; font-size: 15px; }
.ctable th, .ctable td { padding: 14px 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.ctable thead th { background: var(--panel-2); font: 600 16px var(--display); }
.ctable tbody th { color: var(--muted); font-weight: 500; white-space: nowrap; }
.ctable tr:last-child td, .ctable tr:last-child th { border-bottom: 0; }

/* product page */
.shop { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: start; }
.gallery .main { background: #fff; border-radius: 20px; overflow: hidden; border: 1px solid var(--line); }
.gallery .main img { aspect-ratio: 1; object-fit: contain; width: 100%; }
.thumbs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin-top: 10px; }
.thumbs button { padding: 0; border: 2px solid transparent; border-radius: 12px; overflow: hidden; cursor: pointer; background: #fff; }
.thumbs button[aria-current="true"] { border-color: var(--cyan); }
.thumbs img { aspect-ratio: 1; object-fit: cover; width: 100%; }
.buybox h2 { font: 600 32px/1.12 var(--display); margin: 10px 0 6px; }
.buybox .line { color: var(--muted); }
.buyrow { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin: 18px 0 4px; }
.buyrow .price { font: 600 38px var(--display); }
.buyrow small { color: var(--muted); font-size: 14px; }
.buybox .btn { width: 100%; margin-top: 14px; }
.amz-note { font-size: 13px; color: var(--muted); margin-top: 10px; }
.specs { margin: 26px 0 0; display: grid; grid-template-columns: auto 1fr; font-size: 15px; }
.specs dt, .specs dd { margin: 0; padding: 11px 0; border-bottom: 1px solid var(--line); }
.specs dt { color: var(--muted); padding-right: 20px; }
.specs dd { text-align: right; font-weight: 500; font-variant-numeric: tabular-nums; }

/* cards (guides, support) */
.rgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 34px; }
.rcard { border: 1px solid var(--line); border-radius: 18px; padding: 24px; background: var(--panel); display: flex; flex-direction: column; }
.rcard h3 { font: 600 20px var(--display); margin-bottom: 8px; }
.rcard h3 a { text-decoration: none; }
.rcard p { color: var(--muted); font-size: 15px; }
.rcard .more { margin-top: auto; padding-top: 16px; font: 600 15px var(--display); color: var(--cyan); text-decoration: none; }
.cards2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 26px; }
.card h3 { font: 600 20px var(--display); margin-bottom: 8px; }
.card p { color: var(--muted); }
.card .btn { margin-top: 18px; }
.email { font: 600 18px var(--display); user-select: all; }
.center { text-align: center; margin-top: 36px; }

.faq details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq summary { cursor: pointer; font: 600 18px var(--display); }
.faq details p { color: var(--muted); margin-top: 10px; max-width: 72ch; }
.light .faq details { border-color: var(--paper-line); }
.light .faq details p { color: var(--ink-muted); }

/* ---------- prose pages (guides, legal) ---------- */
.prose { max-width: 780px; }
.prose h2 { font: 600 26px var(--display); margin: 42px 0 12px; letter-spacing: -.01em; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font: 600 20px var(--display); margin: 28px 0 8px; }
.prose p, .prose li { margin-bottom: 12px; }
.prose ul, .prose ol { padding-left: 22px; }
.prose .updated { color: var(--ink-muted); font-size: 14px; }
.prose img { width: 100%; height: auto; border-radius: 18px; margin-bottom: 28px; }
.prose a { color: #2F5BD8; }
.prose .btn { color: #111; }
.prose .note { background: #fff; border: 1px solid var(--paper-line); border-left: 4px solid var(--blue); border-radius: 12px; padding: 16px 18px; margin: 18px 0; }
.prose .table { overflow-x: auto; margin: 6px 0 18px; border: 1px solid var(--paper-line); border-radius: 12px; background: #fff; }
.prose table { width: 100%; border-collapse: collapse; font-size: 15px; }
.prose th, .prose td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--paper-line); vertical-align: top; }
.prose th { background: var(--ink); color: #fff; font: 600 14px var(--display); }
.prose tr:last-child td { border-bottom: 0; }

/* ---------- breadcrumbs ---------- */
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: 14px; color: var(--muted); }
.crumbs a { color: var(--cyan); text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }
.crumbs b { font-weight: 500; color: var(--text); }

/* ---------- footer ---------- */
.site-footer { background: #000; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); }
.site-footer .wrap { padding-block: 56px 30px; display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 30px; }
.site-footer .logo { margin-bottom: 14px; }
.site-footer h4 { font: 600 13px var(--display); color: #fff; letter-spacing: .14em; text-transform: uppercase; margin: 0 0 12px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: #fff; }
.site-footer .legal { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 20px; font-size: 13px; }

.sticky-buy { display: none; }

/* ---------- burger menu ---------- */
.menu-btn { display: inline-flex; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; padding: 0 11px; border: 1px solid var(--line); border-radius: 12px; background: transparent; cursor: pointer; }
.menu-btn span { display: block; height: 2px; border-radius: 2px; background: #fff; transition: transform .2s, opacity .2s; }
.menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.menu { background: var(--panel); border-top: 1px solid var(--line); box-shadow: 0 18px 30px rgba(0, 0, 0, .5); max-height: calc(100vh - 72px); overflow-y: auto; }
.menu .wrap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; padding-block: 30px 34px; }
.menu h4 { font: 600 13px var(--display); color: var(--cyan); letter-spacing: .12em; text-transform: uppercase; margin-bottom: 10px; }
.menu ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.menu a { display: block; padding: 5px 0; color: var(--text); text-decoration: none; font-size: 15px; }
.menu a:hover { color: var(--cyan); }

/* ---------- cookie banner ---------- */
.cookie-banner { position: fixed; z-index: 60; left: 16px; right: 16px; bottom: 16px; max-width: 560px; margin-left: auto; background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: 16px; padding: 18px 20px; box-shadow: 0 18px 40px rgba(0, 0, 0, .5); font-size: 15px; }
.cookie-banner a { color: var(--cyan); }
.cookie-banner div { display: flex; gap: 10px; margin-top: 14px; }
.cookie-banner .btn { padding: 10px 22px; font-size: 15px; }
.linklike { background: none; border: 0; padding: 0; color: inherit; font: inherit; cursor: pointer; text-align: left; }
.linklike:hover { color: #fff; }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .site-nav { display: none; }
  .site-header .wrap { gap: 14px; }
  .menu .wrap { grid-template-columns: 1fr 1fr; gap: 22px; }
  .trust .wrap { grid-template-columns: 1fr 1fr; }
  .range, .rgrid, .cards2 { grid-template-columns: 1fr; }
  .fgrid { grid-template-columns: 1fr 1fr; }
  .hero .wrap, .feat, .shop { grid-template-columns: 1fr; gap: 34px; }
  .feat.rev > :first-child { order: 0; }
  .feat + .feat { margin-top: 56px; }
  .block .wrap { padding-block: 60px; }
  .site-footer .wrap { grid-template-columns: 1fr 1fr; }
  .cookie-banner { bottom: 84px; }
  .sticky-buy { display: flex; position: sticky; bottom: 0; z-index: 20; background: var(--panel); border-top: 1px solid var(--line); align-items: center; justify-content: space-between; gap: 12px; padding: 10px max(16px, env(safe-area-inset-right, 0px)) calc(10px + env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px)); }
  .sticky-buy b { font: 600 20px var(--display); }
  .sticky-buy .btn { padding: 12px 18px; font-size: 15px; }
}
@media (max-width: 520px) {
  .logo span { display: none; }
  .trust .wrap, .fgrid { grid-template-columns: 1fr; }
  .pcard .foot { flex-wrap: wrap; }
}