:root {
  color-scheme: dark;
  --background: #080c13;
  --surface: #101722;
  --surface-raised: #141e2b;
  --line: rgba(170, 195, 224, .14);
  --text: #f2f6fc;
  --muted: #a1aec0;
  --blue: #378df5;
  --blue-light: #8cc5ff;
  font-family: "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(ellipse at 74% -12%, rgba(36, 119, 218, .16), transparent 34rem),
    var(--background);
  color: var(--text);
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin-top: 0; }
.container { width: min(1120px, calc(100% - 48px)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 12, 19, .86);
  backdrop-filter: blur(16px);
}
.header-inner { min-height: 86px; display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.brand { width: 175px; flex: 0 0 auto; }
.brand img { width: 100%; height: auto; }
.main-nav { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 13px; }
.main-nav a { padding: 10px 15px; border: 1px solid transparent; border-radius: 999px; transition: color .18s ease, background .18s ease, border-color .18s ease; }
.main-nav a:hover { border-color: var(--line); background: rgba(255, 255, 255, .04); color: var(--text); }
.main-nav a[aria-current="page"] { border-color: var(--line); background: rgba(255, 255, 255, .045); color: var(--text); }

.eyebrow { margin: 0 0 14px; color: var(--blue-light); font-size: 11px; font-weight: 750; letter-spacing: .16em; text-transform: uppercase; }
.home-hero { display: grid; grid-template-columns: .95fr 1.05fr; align-items: center; gap: clamp(32px, 4vw, 56px); padding-block: clamp(64px, 9vw, 112px) 78px; }
.welcome-copy { position: relative; }
.home-hero h1 { max-width: 570px; margin-bottom: 20px; font-size: clamp(46px, 5.2vw, 70px); font-weight: 750; line-height: .99; letter-spacing: -.065em; }
.home-hero h1 span, .catalog-intro h1 span { color: var(--blue-light); }
.welcome-copy > p:not(.eyebrow) { max-width: 380px; margin-bottom: 28px; color: var(--muted); font-size: 16px; line-height: 1.75; }
.home-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 0 20px;
  border: 1px solid rgba(167, 208, 255, .24);
  border-radius: 7px;
  background: linear-gradient(135deg, #378df5, #2572da);
  box-shadow: 0 8px 24px rgba(35, 115, 220, .2);
  color: white;
  font-size: 13px;
  font-weight: 700;
  transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
}
.button:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(35, 115, 220, .3); filter: brightness(1.08); }
.button:focus-visible, a:focus-visible { outline: 2px solid var(--blue-light); outline-offset: 3px; }
.button-secondary { border-color: var(--line); background: rgba(255, 255, 255, .035); box-shadow: none; color: var(--text); }
.button-secondary:hover:not(:disabled) { border-color: rgba(140, 197, 255, .42); background: rgba(255, 255, 255, .07); box-shadow: none; }
.home-visual {
  position: relative;
  overflow: hidden;
  min-height: 450px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(168, 203, 239, .18);
  border-radius: 18px;
  background:
    linear-gradient(145deg, rgba(20, 33, 49, .96), rgba(8, 13, 21, .98)),
    var(--surface);
  box-shadow: 0 28px 70px rgba(0, 0, 0, .38);
  isolation: isolate;
}
.home-visual::before { position: absolute; z-index: -1; inset: 16px; border: 1px solid rgba(168, 203, 239, .1); border-radius: 12px; content: ""; }
.home-visual-orbit { position: absolute; width: 70%; aspect-ratio: 1; border: 1px solid rgba(140, 197, 255, .16); border-radius: 50%; box-shadow: 0 0 100px rgba(37, 126, 229, .12), inset 0 0 70px rgba(37, 126, 229, .06); }
.home-visual-glow { position: absolute; width: 55%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(48, 132, 232, .2), transparent 70%); filter: blur(10px); }
.home-visual img { position: relative; width: min(52%, 285px); height: auto; aspect-ratio: 1; object-fit: contain; mix-blend-mode: screen; filter: drop-shadow(0 18px 35px rgba(0, 0, 0, .38)); }
.home-visual-tag, .home-visual-index { position: absolute; color: #dceaff; font-size: 10px; font-weight: 700; letter-spacing: .15em; }
.home-visual-tag { top: 38px; left: 38px; }
.home-visual-tag b { padding-inline: 6px; color: var(--blue-light); }
.home-visual-index { right: 38px; bottom: 36px; color: var(--muted); font-size: 9px; }

.home-highlights { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; padding-bottom: 72px; }
.home-highlights article { display: flex; gap: 16px; padding: 21px 20px; border: 1px solid var(--line); border-radius: 10px; background: rgba(16, 23, 34, .72); }
.highlight-number { flex: 0 0 auto; padding-top: 2px; color: var(--blue-light); font-size: 11px; font-weight: 750; letter-spacing: .1em; }
.home-highlights h2 { margin-bottom: 7px; font-size: 14px; letter-spacing: -.02em; }
.home-highlights p { margin-bottom: 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
.home-about { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; padding-block: 62px 76px; border-top: 1px solid var(--line); }
.home-about h2 { margin-bottom: 0; font-size: clamp(32px, 4.5vw, 48px); line-height: 1.08; letter-spacing: -.055em; }
.home-about-copy { max-width: 500px; }
.home-about-copy > p { margin-bottom: 18px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.text-link { display: inline-flex; align-items: center; gap: 10px; color: var(--blue-light); font-size: 13px; font-weight: 700; }
.text-link:hover { color: white; }
.home-cta { display: flex; justify-content: space-between; align-items: center; gap: 26px; margin-bottom: 82px; padding: 30px 34px; border: 1px solid rgba(140, 197, 255, .22); border-radius: 13px; background: radial-gradient(ellipse at 15% 0%, rgba(49, 128, 218, .16), transparent 55%), var(--surface); }
.home-cta .eyebrow { margin-bottom: 9px; }
.home-cta h2 { margin-bottom: 0; font-size: clamp(21px, 3vw, 28px); letter-spacing: -.04em; }

.catalog-intro { padding-top: 45px; padding-bottom: 28px; }
.catalog-intro .back-link { margin-bottom: 32px; }
.catalog-intro h1 { margin-bottom: 15px; font-size: clamp(46px, 6vw, 66px); line-height: .99; letter-spacing: -.06em; }
.catalog-intro > p:last-child { max-width: 420px; margin-bottom: 0; color: var(--muted); font-size: 15px; line-height: 1.7; }
.catalog-page .products { padding-top: 28px; }

.products { padding-block: 28px 100px; }
.section-title { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 25px; }
.section-title .eyebrow { margin-bottom: 7px; }
.section-title h2 { margin-bottom: 0; font-size: clamp(28px, 3.4vw, 38px); letter-spacing: -.05em; }
.product-count { padding-bottom: 4px; color: var(--muted); font-size: 13px; }
.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 20px; }
.product-card { overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: linear-gradient(145deg, rgba(20, 30, 43, .96), rgba(13, 19, 28, .98)); box-shadow: 0 12px 32px rgba(0, 0, 0, .16); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.product-card:hover { transform: translateY(-4px); border-color: rgba(119, 183, 255, .38); box-shadow: 0 20px 44px rgba(0, 0, 0, .28); }
.product-card-image { display: block; overflow: hidden; background: #080c13; }
.product-card-image img { width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; transition: transform .35s ease; }
.product-card:hover .product-card-image img { transform: scale(1.035); }
.product-card-info { padding: 21px 22px 20px; }
.product-card-info .eyebrow { margin-bottom: 8px; font-size: 10px; }
.product-card-info h3 { margin-bottom: 9px; font-size: 21px; letter-spacing: -.035em; }
.product-card-info > p:not(.eyebrow) { min-height: 42px; margin-bottom: 18px; color: var(--muted); font-size: 13px; line-height: 1.65; }
.product-card-bottom { display: flex; justify-content: space-between; align-items: center; gap: 14px; padding-top: 15px; border-top: 1px solid var(--line); }
.product-card-bottom strong { font-size: 17px; }
.product-card-bottom a { color: var(--blue-light); font-size: 12px; font-weight: 650; }
.product-card-bottom a:hover { color: white; }

.product-page { padding-top: 36px; padding-bottom: 84px; }
.back-link { display: inline-flex; align-items: center; min-height: 36px; margin-bottom: 22px; color: var(--muted); font-size: 13px; transition: color .18s ease; }
.back-link:hover { color: white; }
.product-intro { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(340px, .92fr); gap: clamp(24px, 4vw, 42px); align-items: start; }
.product-gallery { padding: 11px; border: 1px solid var(--line); border-radius: 14px; background: linear-gradient(150deg, rgba(20, 30, 43, .94), rgba(10, 15, 23, .96)); box-shadow: 0 22px 54px rgba(0, 0, 0, .24); }
.product-main-image { width: 100%; height: auto; aspect-ratio: 16 / 9; border-radius: 9px; object-fit: cover; }
.gallery-thumbnails { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 10px; }
.gallery-thumbnails img { width: 100%; height: auto; aspect-ratio: 16 / 9; border: 1px solid rgba(255, 255, 255, .08); border-radius: 7px; object-fit: cover; }
.product-summary { position: sticky; top: 112px; padding: clamp(24px, 3.2vw, 36px); border: 1px solid var(--line); border-radius: 14px; background: linear-gradient(145deg, rgba(20, 30, 43, .96), rgba(13, 19, 28, .98)); box-shadow: 0 22px 54px rgba(0, 0, 0, .24); }
.product-summary h1 { margin-bottom: 13px; font-size: clamp(34px, 4vw, 48px); line-height: 1.04; letter-spacing: -.055em; }
.product-description { margin-bottom: 20px; color: var(--muted); font-size: 14px; line-height: 1.75; }
.price { margin: 22px 0 12px; font-size: 34px; font-weight: 750; letter-spacing: -.04em; }
.price-note { margin: -4px 0 17px; color: var(--muted); font-size: 12px; }
.product-summary .button { width: 100%; text-align: center; }
.checkout-status { min-height: 1.4em; margin: 11px 0 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
.button-disabled { width: 100%; background: #343a44; color: #d0d5dc; cursor: not-allowed; }
.support-link { display: inline-block; margin-top: 16px; color: var(--blue-light); font-size: 13px; font-weight: 600; }
.support-link:hover, .footer-inner a:hover { color: white; }
.license-short { margin: 20px 0 0; padding-top: 17px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 1.65; }
.product-details { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 30px; }
.product-details > div { padding: 25px 27px; border: 1px solid var(--line); border-radius: 12px; background: rgba(16, 23, 34, .82); }
.product-details h2, .video-section h2 { margin-bottom: 16px; font-size: 21px; letter-spacing: -.035em; }
.feature-list { margin: 0; padding-left: 19px; color: #dce5f1; font-size: 13px; line-height: 1.9; }
.feature-list li { padding-left: 3px; }
.feature-list li::marker { color: var(--blue-light); }
.product-details p { margin-bottom: 10px; color: #dce5f1; font-size: 13px; line-height: 1.7; }
.product-details .notice { margin-bottom: 0; color: var(--muted); }
.video-section { max-width: 900px; margin: 42px auto 0; padding: 25px; border: 1px solid var(--line); border-radius: 14px; background: rgba(16, 23, 34, .82); }
.video-frame { position: relative; overflow: hidden; aspect-ratio: 16 / 9; border: 1px solid rgba(255, 255, 255, .08); border-radius: 9px; background: #000; }
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.license-note { max-width: 900px; margin: 28px auto 0; padding: 17px 20px; border: 1px solid var(--line); border-radius: 9px; color: var(--muted); font-size: 12px; line-height: 1.7; }

.site-footer { border-top: 1px solid var(--line); background: rgba(5, 8, 13, .56); }
.footer-inner { min-height: 100px; display: flex; align-items: center; justify-content: space-between; gap: 22px; color: var(--muted); font-size: 12px; }
.footer-inner img { width: 130px; height: auto; }
.footer-inner a { color: var(--blue-light); font-weight: 600; }

@media (max-width: 760px) {
  .container { width: min(100% - 34px, 600px); }
  .header-inner { min-height: 74px; }
  .brand { width: 148px; }
  .main-nav { gap: 2px; font-size: 12px; }
  .main-nav a { padding: 9px 11px; }
  .home-hero { min-height: 0; grid-template-columns: 1fr; gap: 30px; padding-block: 55px 48px; }
  .home-hero h1 { max-width: 500px; font-size: clamp(48px, 11vw, 66px); }
  .welcome-copy > p:not(.eyebrow) { font-size: 14px; }
  .home-visual { min-height: clamp(290px, 76vw, 410px); }
  .home-visual-tag { top: 29px; left: 29px; }
  .home-visual-index { right: 29px; bottom: 27px; }
  .home-highlights { grid-template-columns: 1fr; gap: 10px; padding-bottom: 48px; }
  .home-about { grid-template-columns: 1fr; gap: 20px; padding-block: 46px 54px; }
  .home-cta { align-items: flex-start; flex-direction: column; margin-bottom: 56px; padding: 25px; }
  .catalog-intro { padding-top: 28px; padding-bottom: 18px; }
  .catalog-intro .back-link { margin-bottom: 26px; }
  .products { padding-block: 20px 66px; }
  .product-grid { grid-template-columns: 1fr; gap: 15px; }
  .product-card-info > p:not(.eyebrow) { min-height: 0; }
  .product-page { padding-top: 24px; padding-bottom: 58px; }
  .product-intro, .product-details { grid-template-columns: 1fr; gap: 18px; }
  .product-summary { position: static; padding: 25px; }
  .product-details { margin-top: 20px; }
  .product-details > div { padding: 22px; }
  .video-section { margin-top: 26px; padding: 16px; }
  .license-note { margin-top: 20px; }
  .footer-inner { min-height: 0; flex-wrap: wrap; justify-content: flex-start; padding-block: 22px; gap: 12px 18px; }
  .footer-inner img { width: 112px; }
  .footer-inner > span { width: 100%; }
}

@media (max-width: 420px) {
  .container { width: calc(100% - 28px); }
  .brand { width: 130px; }
  .main-nav a { padding-inline: 9px; }
  .home-actions { align-items: stretch; flex-direction: column; }
  .home-actions .button { width: 100%; }
  .home-visual { min-height: 280px; }
  .home-visual-tag { top: 25px; left: 25px; font-size: 9px; }
  .home-visual-index { right: 25px; bottom: 23px; font-size: 8px; }
  .product-card-info { padding: 18px; }
  .gallery-thumbnails { gap: 7px; }
  .product-summary { padding: 21px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}