:root {
  --bg-0: #07080a;
  --bg-1: #0e1013;
  --bg-2: #14171c;
  --bg-3: #1c2026;
  --bg-4: #262b32;
  --fg-0: #e8edf0;
  --fg-1: #9aa3ad;
  --fg-2: #6a7380;
  --ac: #5af2ff;
  --ac-2: #99c2c6;
  --ac-soft: rgba(90, 242, 255, 0.12);
  --ac-glow: rgba(90, 242, 255, 0.38);
  --ac-ink: #041014;
  --ok: #6ecc87;
  --warn: #f5c542;
  --bd: rgba(255, 255, 255, 0.07);
  --bd-h: rgba(90, 242, 255, 0.4);
  --r: 4px;
  --r-md: 8px;
  --r-lg: 14px;
  --ff: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --ff-display: "Segoe UI Semibold", "Segoe UI", system-ui, sans-serif;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
  --max: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-0);
  color: var(--fg-0);
  font: 16px/1.55 var(--ff);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--ac); text-decoration: none; }
a:hover { text-decoration: underline; }
.skip {
  position: absolute;
  left: -999px;
  top: 8px;
}
.skip:focus { left: 8px; z-index: 50; background: var(--bg-2); padding: 8px 12px; }

.wrap { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: rgba(7, 8, 10, 0.86);
  border-bottom: 1px solid var(--bd);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--fg-0);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 17px;
  text-decoration: none;
  flex-shrink: 0;
}
.brand img { width: 28px; height: 28px; }
.nav-links {
  display: flex;
  gap: 4px;
  flex: 1;
  align-items: center;
}
.nav-links a {
  color: var(--fg-1);
  padding: 8px 10px;
  border-radius: var(--r);
  font-size: 14px;
  text-decoration: none;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--fg-0); background: var(--bg-3); }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.lang {
  position: relative;
}
.lang summary {
  list-style: none;
  cursor: pointer;
  color: var(--fg-1);
  font-size: 13px;
  padding: 7px 10px;
  border: 1px solid var(--bd);
  border-radius: 999px;
  background: var(--bg-1);
}
.lang summary::-webkit-details-marker { display: none; }
.lang[open] summary { color: var(--ac); border-color: var(--bd-h); }
.lang-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  background: var(--bg-2);
  border: 1px solid var(--bd);
  border-radius: var(--r-md);
  min-width: 200px;
  padding: 6px;
  box-shadow: var(--shadow);
}
.lang-menu a {
  display: block;
  color: var(--fg-1);
  padding: 7px 10px;
  border-radius: var(--r);
  text-decoration: none;
  font-size: 13px;
}
.lang-menu a:hover, .lang-menu a[aria-current="true"] { background: var(--ac-soft); color: var(--ac); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 999px;
  padding: 11px 18px;
  font: 600 14px/1 var(--ff);
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-dl {
  background: var(--ac);
  color: var(--ac-ink);
  box-shadow: 0 0 0 1px var(--bd-h), 0 0 22px var(--ac-glow);
}
.btn-dl:hover { filter: brightness(1.06); }
.btn-ghost {
  background: transparent;
  color: var(--fg-0);
  box-shadow: inset 0 0 0 1px var(--bd);
}
.btn-ghost:hover { box-shadow: inset 0 0 0 1px var(--bd-h); color: var(--ac); }
.btn-lg { padding: 14px 22px; font-size: 15px; }

.hero {
  padding: 56px 0 28px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -20% 10% auto;
  height: 420px;
  background: radial-gradient(closest-side, rgba(90, 242, 255, 0.16), transparent 70%);
  pointer-events: none;
}
.kicker {
  color: var(--ac);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 700;
  margin: 0 0 14px;
}
.hero h1 {
  font: 800 52px/1.08 var(--ff-display);
  letter-spacing: -0.035em;
  margin: 0 0 16px;
  max-width: 18ch;
}
.lede {
  font-size: 19px;
  color: var(--fg-1);
  max-width: 46ch;
  margin: 0 0 22px;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 14px; }
.micro {
  color: var(--fg-2);
  font-size: 13px;
  margin: 0 0 28px;
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0 0 32px; list-style: none; }
.chips li {
  background: var(--bg-2);
  border: 1px solid var(--bd);
  color: var(--fg-1);
  border-radius: 999px;
  padding: 6px 11px;
  font-size: 13px;
}
.chips b { color: var(--fg-0); font-weight: 650; }

.shot {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--bd-h);
  box-shadow: var(--shadow), 0 0 60px var(--ac-glow);
  background: var(--bg-1);
}
.shot figcaption {
  color: var(--fg-2);
  font-size: 13px;
  padding: 10px 12px 12px;
  background: var(--bg-1);
}
.shot-frame {
  background: linear-gradient(#1a1e24, #101317);
  padding: 10px 10px 0;
}
.shot-dots { display: flex; gap: 6px; padding: 0 4px 10px; }
.shot-dots span { width: 9px; height: 9px; border-radius: 50%; background: #3a414a; }
.shot-dots span:first-child { background: #ff5f57; }
.shot-dots span:nth-child(2) { background: #febc2e; }
.shot-dots span:nth-child(3) { background: #28c840; }
.shot img {
  width: 100%;
  max-height: 560px;
  object-fit: cover;
  object-position: center 42%;
}

.section { padding: 64px 0; border-top: 1px solid var(--bd); }
.section h2 {
  font: 750 32px/1.15 var(--ff-display);
  letter-spacing: -0.03em;
  margin: 0 0 10px;
}
.sub { color: var(--fg-1); margin: 0 0 28px; max-width: 60ch; }

.grid-3, .grid-4, .grid-2 { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card {
  background: var(--bg-1);
  border: 1px solid var(--bd);
  border-radius: var(--r-md);
  padding: 18px 18px 16px;
}
.card:hover { border-color: var(--bd-h); }
.card h3 { margin: 0 0 8px; font-size: 17px; }
.card p { margin: 0; color: var(--fg-1); font-size: 14px; }
.card .ico {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: var(--ac-soft);
  color: var(--ac);
  margin-bottom: 12px;
  font-weight: 700;
  font-size: 13px;
}
.card a.more { display: inline-block; margin-top: 12px; font-size: 13px; font-weight: 650; }

.steps { counter-reset: step; display: grid; gap: 16px; grid-template-columns: repeat(3, 1fr); }
.steps article {
  background: var(--bg-1);
  border: 1px solid var(--bd);
  border-radius: var(--r-md);
  padding: 20px;
  position: relative;
}
.steps article::before {
  counter-increment: step;
  content: counter(step);
  color: var(--ac);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.08em;
}
.steps h3 { margin: 8px 0 8px; }
.steps p { margin: 0; color: var(--fg-1); }

.table-wrap { overflow: auto; border: 1px solid var(--bd); border-radius: var(--r-md); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--bd); }
th { color: var(--fg-2); font-weight: 650; background: var(--bg-1); }
td { color: var(--fg-1); }
td:first-child, th:first-child { color: var(--fg-0); }
.yes { color: var(--ok); font-weight: 700; }
.no { color: var(--fg-2); }

.faq details {
  background: var(--bg-1);
  border: 1px solid var(--bd);
  border-radius: var(--r-md);
  padding: 0 16px;
  margin-bottom: 8px;
}
.faq summary {
  cursor: pointer;
  padding: 14px 0;
  font-weight: 650;
}
.faq details p { color: var(--fg-1); margin: 0 0 14px; }

.cta-band {
  background:
    radial-gradient(600px 180px at 20% 0%, rgba(90, 242, 255, 0.14), transparent),
    var(--bg-1);
  border: 1px solid var(--bd-h);
  border-radius: var(--r-lg);
  padding: 36px;
  text-align: center;
}
.cta-band h2 { margin-bottom: 8px; }
.cta-band p { color: var(--fg-1); margin: 0 0 18px; }

.prose { max-width: 760px; }
.prose h1 { font: 800 40px/1.12 var(--ff-display); letter-spacing: -0.03em; margin: 0 0 12px; }
.prose h2 { font-size: 24px; margin: 32px 0 10px; }
.prose h3 { font-size: 18px; margin: 24px 0 8px; }
.prose p, .prose li { color: var(--fg-1); }
.prose ul { padding-left: 18px; }
.crumb { color: var(--fg-2); font-size: 13px; margin: 0 0 18px; }
.crumb a { color: var(--fg-1); }
.meta { color: var(--fg-2); font-size: 13px; margin-bottom: 22px; }
.download-hero { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 28px; align-items: center; }
.dl-card {
  background: var(--bg-1);
  border: 1px solid var(--bd-h);
  border-radius: var(--r-lg);
  padding: 24px;
}
.dl-card h2 { margin: 0 0 8px; font-size: 22px; }
.dl-meta { color: var(--fg-2); font-size: 13px; margin: 12px 0 0; }
.req { font-size: 14px; color: var(--fg-1); }

.footer {
  border-top: 1px solid var(--bd);
  padding: 36px 0 28px;
  color: var(--fg-2);
  font-size: 13px;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 20px; margin-bottom: 24px; }
.footer a { color: var(--fg-1); }
.footer h4 { margin: 0 0 10px; color: var(--fg-0); font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin: 6px 0; }
.legal { border-top: 1px solid var(--bd); padding-top: 16px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

.gallery { display: grid; gap: 16px; grid-template-columns: 1.4fr 1fr; }
.gallery .shot:last-child { align-self: stretch; }
.formats { display: flex; flex-wrap: wrap; gap: 8px; }
.formats span {
  font: 650 12px/1 var(--ff);
  letter-spacing: 0.04em;
  padding: 8px 10px;
  background: var(--bg-2);
  border: 1px solid var(--bd);
  border-radius: 6px;
  color: var(--fg-0);
}

.lang-banner {
  display: none;
  background: var(--bg-2);
  border-bottom: 1px solid var(--bd);
  padding: 10px 0;
  font-size: 14px;
  color: var(--fg-1);
}
.lang-banner.on { display: block; }
.lang-banner a { font-weight: 700; }

@media (max-width: 920px) {
  .hero h1 { font-size: 36px; }
  .grid-4, .grid-3, .steps, .grid-2, .download-hero, .gallery, .footer-grid {
    grid-template-columns: 1fr;
  }
  .nav-links { display: none; }
  .hero { padding-top: 36px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}