:root {
  color-scheme: dark;
  --bg: #070a0f;
  --surface: #0d131c;
  --surface-soft: rgba(15, 21, 31, .88);
  --line: rgba(255, 255, 255, .1);
  --line-strong: rgba(255, 255, 255, .18);
  --text: #f4f7fb;
  --muted: #98a4b5;
  --lime: #b8ff5a;
  --cyan: #56e6ff;
  --danger: #ff7585;
  --content: 1180px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 300px; background: var(--bg); color: var(--text); }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.preview-strip {
  padding: 8px 18px;
  text-align: center;
  color: #d8e2ca;
  background: rgba(184, 255, 90, .08);
  border-bottom: 1px solid rgba(184, 255, 90, .18);
  font-size: 11px;
  letter-spacing: .09em;
}
.site-header {
  min-height: 76px;
  padding: 0 max(22px, calc((100vw - var(--content)) / 2));
  display: flex;
  align-items: center;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 10, 15, .9);
  backdrop-filter: blur(18px);
  position: sticky;
  top: 0;
  z-index: 20;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  letter-spacing: -.02em;
  margin-right: auto;
  flex: 0 0 auto;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  background: var(--lime);
  color: #091006;
  border-radius: 10px;
  font-weight: 900;
}
.brand strong, .brand small { display: block; }
.brand small { color: var(--muted); font-size: 8px; letter-spacing: .2em; margin-top: 2px; }
.site-header nav { display: flex; align-items: center; gap: 20px; }
.site-header nav a { color: #b7c1ce; text-decoration: none; font-size: 13px; }
.site-header nav a:hover { color: var(--text); }
.header-contact {
  padding: 10px 15px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  text-decoration: none;
  font-size: 13px;
}
.language-switch {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 94px;
  padding: 3px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, .035);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .18);
}
.language-switch a {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  min-height: 30px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .05em;
  text-decoration: none;
}
.language-switch a[aria-current="true"] {
  color: #091006;
  background: var(--lime);
  box-shadow: 0 4px 16px rgba(184, 255, 90, .16);
}
.language-switch a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
main:not(.page-shell) { width: min(var(--content), calc(100% - 36px)); margin: 0 auto; }
.hero {
  min-height: 690px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(380px, .72fr);
  align-items: center;
  gap: clamp(36px, 8vw, 110px);
  padding: 82px 0 96px;
  position: relative;
}
.hero::before {
  content: "";
  position: absolute;
  width: 35rem;
  height: 35rem;
  border-radius: 50%;
  filter: blur(130px);
  opacity: .1;
  background: var(--lime);
  top: -16rem;
  right: -12rem;
  pointer-events: none;
}
.section-kicker { color: var(--muted); font-size: 10px; line-height: 1.4; letter-spacing: .2em; font-weight: 800; }
.hero h1 { margin: 18px 0 25px; font-size: clamp(54px, 7.2vw, 94px); line-height: .93; letter-spacing: -.066em; }
.hero h1 span { color: transparent; -webkit-text-stroke: 1px rgba(244, 247, 251, .65); }
.hero-copy > p { color: #b4becb; max-width: 660px; font-size: 17px; line-height: 1.75; }
.hero-actions, .form-actions { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 30px; }
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 46px;
  padding: 12px 19px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  text-decoration: none;
  font-weight: 750;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.button:hover { transform: translateY(-1px); }
.button-primary { border-color: var(--lime); background: var(--lime); color: #081006; }
.button-secondary { color: #c7d0dc; background: rgba(255, 255, 255, .03); }
.trust-list { display: flex; flex-wrap: wrap; gap: 22px; padding: 0; margin: 32px 0 0; list-style: none; color: var(--muted); font-size: 12px; }
.trust-list li::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin: 0 8px 1px 0;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 12px rgba(184, 255, 90, .7);
}
.gpu-card {
  padding: 27px;
  background: linear-gradient(145deg, rgba(17, 25, 36, .96), rgba(10, 15, 22, .94));
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 35px 100px rgba(0, 0, 0, .35);
}
.card-topline { display: flex; justify-content: space-between; color: var(--muted); font-size: 9px; letter-spacing: .14em; }
.card-topline strong { color: var(--lime); }
.gpu-visual {
  height: 230px;
  margin: 25px 0;
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 15px;
  background: radial-gradient(circle at 50% 55%, rgba(184,255,90,.12), transparent 42%), #080d13;
  border: 1px solid rgba(255,255,255,.06);
}
.gpu-chip {
  width: 112px;
  height: 112px;
  border: 1px solid rgba(184,255,90,.48);
  box-shadow: 0 0 60px rgba(184,255,90,.09), inset 0 0 28px rgba(184,255,90,.05);
  display: grid;
  place-content: center;
  text-align: center;
  transform: rotate(45deg);
}
.gpu-chip span, .gpu-chip small { transform: rotate(-45deg); }
.gpu-chip span { font-size: 34px; font-weight: 850; line-height: 1; }
.gpu-chip small { color: var(--lime); font-size: 10px; margin-top: 5px; }
.gpu-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 20px 20px;
  mask-image: radial-gradient(circle, black, transparent 72%);
}
.gpu-generation { position: absolute; right: 16px; bottom: 13px; color: var(--muted); font-size: 8px; letter-spacing: .28em; }
.gpu-card h2 { margin: 0; font-size: 26px; letter-spacing: -.04em; }
.gpu-card > p { color: var(--muted); margin: 6px 0 22px; font-size: 13px; }
.quick-specs { display: grid; grid-template-columns: 1fr 1fr; margin: 0; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.quick-specs div { padding: 13px 14px; border-bottom: 1px solid var(--line); }
.quick-specs div:nth-child(odd) { border-right: 1px solid var(--line); }
.quick-specs div:nth-last-child(-n+2) { border-bottom: 0; }
.quick-specs dt { color: var(--muted); font-size: 9px; text-transform: uppercase; letter-spacing: .1em; }
.quick-specs dd { margin: 5px 0 0; font-size: 12px; }
.section-block { padding: 100px 0; border-top: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: .7fr 1.3fr; gap: 50px; align-items: end; }
.section-heading .section-kicker { grid-column: 1 / -1; }
.section-heading h2, .product-detail h2, .legal-callout h2, .contact-panel h2, .network-block h2 {
  margin: 0;
  font-size: clamp(38px, 5vw, 62px);
  line-height: 1.02;
  letter-spacing: -.055em;
}
.section-heading p { margin: 0; color: var(--muted); line-height: 1.7; }
.responsibility-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 55px; }
.responsibility-grid article { min-height: 260px; padding: 27px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface-soft); }
.number { color: var(--cyan); font-size: 10px; letter-spacing: .13em; }
.responsibility-grid h3 { margin: 64px 0 12px; font-size: 22px; }
.responsibility-grid p { color: var(--muted); line-height: 1.65; font-size: 14px; }
.network-block {
  display: grid;
  grid-template-columns: .88fr 1.12fr;
  gap: clamp(45px, 8vw, 100px);
  align-items: center;
  padding: 90px 0;
  border-top: 1px solid var(--line);
}
.network-block h2 { margin-top: 14px; font-size: clamp(35px, 4.7vw, 57px); }
.network-block > div > p { color: var(--muted); line-height: 1.7; }
.network-card { overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: var(--surface-soft); }
.network-row { display: grid; grid-template-columns: .65fr 1.35fr; gap: 20px; padding: 17px 21px; border-bottom: 1px solid var(--line); }
.network-row strong { color: var(--lime); font-size: 20px; }
.network-row span:last-child { align-self: center; color: #c6cfda; font-size: 13px; }
.network-head { background: rgba(255,255,255,.03); color: var(--muted); font-size: 10px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.network-head span:last-child { color: var(--muted); font-size: inherit; }
.network-card > p { margin: 0; padding: 18px 21px; color: var(--muted); font-size: 12px; line-height: 1.6; }
.product-detail { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; padding: 105px 0; border-top: 1px solid var(--line); }
.product-detail h2 { margin-top: 15px; }
.process-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.process-list li { display: grid; grid-template-columns: 42px 1fr; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.process-list li > span { color: var(--lime); font-size: 10px; letter-spacing: .1em; padding-top: 4px; }
.process-list strong { font-size: 16px; }
.process-list p { margin: 7px 0 0; color: var(--muted); line-height: 1.55; font-size: 13px; }
.legal-callout { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; margin: 40px 0 110px; padding: 38px; border: 1px solid rgba(86,230,255,.2); border-radius: 18px; background: rgba(86,230,255,.045); }
.legal-callout h2 { margin-top: 12px; font-size: clamp(30px, 4vw, 48px); }
.legal-callout > p { align-self: end; margin: 0; color: #b8c5d3; line-height: 1.75; }
.contact-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: end; margin-bottom: 110px; padding: 48px; border-radius: 20px; color: #081006; background: var(--lime); }
.contact-panel .section-kicker, .contact-panel p { color: #30451d; }
.contact-panel h2 { margin-top: 12px; }
.contact-panel .button-primary { background: #091006; border-color: #091006; color: var(--lime); }
.site-footer {
  width: min(var(--content), calc(100% - 36px));
  margin: 0 auto;
  padding: 44px 0 34px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 28px 60px;
  border-top: 1px solid var(--line);
}
.site-footer p, .site-footer address { color: var(--muted); font-size: 12px; }
.site-footer p { margin: 7px 0 0; }
.site-footer nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 12px 22px; }
.site-footer nav a { color: #b9c3cf; font-size: 12px; text-decoration: none; }
.site-footer nav a:hover { color: var(--text); }
.site-footer address { grid-column: 1 / -1; line-height: 1.6; font-style: normal; }

.page-shell { width: min(1280px, calc(100% - 36px)); margin: 0 auto; padding: 42px 0 90px; }
.doc-actions { display: flex; justify-content: space-between; align-items: center; gap: 18px; margin-bottom: 24px; }
.doc-actions a { color: var(--cyan); font-size: 12px; text-decoration: none; }
.version-badge { padding: 6px 10px; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; font-size: 10px; }
.legal-layout { display: grid; grid-template-columns: 250px minmax(0, 850px); justify-content: center; gap: 38px; align-items: start; }
.doc-toc { position: sticky; top: 112px; max-height: calc(100vh - 140px); overflow: auto; padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface-soft); }
.doc-toc strong { font-size: 11px; text-transform: uppercase; letter-spacing: .12em; }
.doc-toc ol { list-style: none; padding: 0; margin: 15px 0 0; }
.doc-toc li + li { margin-top: 9px; }
.doc-toc a { color: var(--muted); text-decoration: none; font-size: 11px; line-height: 1.35; }
.doc-toc a:hover { color: var(--text); }
.legal-copy { min-width: 0; padding: clamp(24px, 5vw, 58px); border: 1px solid var(--line); border-radius: 18px; background: var(--surface-soft); box-shadow: 0 28px 90px rgba(0,0,0,.2); }
.legal-copy > h1:first-child { margin-top: 0; }
.legal-copy h1 { font-size: clamp(34px, 5vw, 55px); line-height: 1.04; letter-spacing: -.05em; }
.legal-copy h2 { margin: 54px 0 18px; padding-top: 8px; font-size: 25px; line-height: 1.2; letter-spacing: -.03em; scroll-margin-top: 110px; }
.legal-copy h3 { margin-top: 34px; }
.legal-copy p, .legal-copy li { color: #c2cbd7; font-size: 14px; line-height: 1.72; }
.legal-copy strong { color: var(--text); }
.legal-copy a { color: var(--cyan); overflow-wrap: anywhere; }
.legal-copy ol, .legal-copy ul { padding-left: 24px; }
.legal-copy li + li { margin-top: 8px; }
.legal-copy li > ul, .legal-copy li > ol { margin-top: 8px; }
.legal-copy hr { margin: 50px 0; border: 0; border-top: 1px solid var(--line); }
.legal-copy table { width: 100%; border-collapse: collapse; display: block; overflow-x: auto; margin: 24px 0; font-size: 12px; }
.legal-copy th, .legal-copy td { min-width: 150px; padding: 11px 12px; border: 1px solid var(--line); text-align: left; vertical-align: top; color: #c2cbd7; line-height: 1.5; }
.legal-copy th { color: var(--text); background: rgba(255,255,255,.035); }
.legal-copy code { padding: 2px 5px; border-radius: 5px; background: rgba(255,255,255,.06); }
.legal-copy pre { overflow-x: auto; padding: 18px; border-radius: 10px; background: #05080c; }
.notice-form { margin-top: 60px; padding-top: 45px; border-top: 1px solid var(--line); }
.notice-form h2 { margin-top: 12px; }
.form-note { padding: 13px 15px; border-left: 2px solid var(--cyan); background: rgba(86,230,255,.045); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.notice-form label { display: block; margin-top: 17px; color: #d9e0e8; font-size: 12px; line-height: 1.45; }
.notice-form input:not([type="checkbox"]), .notice-form select, .notice-form textarea { display: block; width: 100%; margin-top: 7px; padding: 12px 13px; color: var(--text); background: #080d13; border: 1px solid var(--line-strong); border-radius: 9px; outline: none; }
.notice-form input:focus, .notice-form select:focus, .notice-form textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(86,230,255,.08); }
.notice-form textarea { resize: vertical; }
.check-row { display: flex !important; gap: 10px; align-items: flex-start; }
.check-row input { margin-top: 3px; accent-color: var(--lime); }
.form-status { display: block; min-height: 24px; margin-top: 16px; color: var(--danger); font-size: 12px; }

@media (max-width: 1020px) {
  .site-header { gap: 15px; }
  .site-header nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 65px; }
  .gpu-card { width: min(560px, 100%); }
  .responsibility-grid { grid-template-columns: 1fr; }
  .responsibility-grid article { min-height: 0; }
  .responsibility-grid h3 { margin-top: 35px; }
  .product-detail, .legal-callout, .contact-panel, .network-block { grid-template-columns: 1fr; }
  .legal-layout { grid-template-columns: 1fr; }
  .doc-toc { position: static; max-height: none; }
}

@media (max-width: 620px) {
  .preview-strip { font-size: 9px; }
  .site-header { min-height: 68px; padding-inline: 14px; gap: 10px; }
  .brand { gap: 8px; }
  .brand-mark { width: 34px; height: 34px; }
  .brand small { display: none; }
  .brand strong { font-size: 13px; }
  .header-contact { display: none; }
  .language-switch { width: 100px; flex: 0 0 auto; }
  .language-switch a { min-height: 34px; font-size: 12px; }
  .hero { min-height: 0; padding: 58px 0 75px; }
  .hero h1 { font-size: clamp(45px, 14vw, 68px); }
  .section-heading { grid-template-columns: 1fr; gap: 18px; }
  .quick-specs, .form-grid { grid-template-columns: 1fr; }
  .quick-specs div, .quick-specs div:nth-child(odd), .quick-specs div:nth-last-child(-n+2) { border-right: 0; border-bottom: 1px solid var(--line); }
  .quick-specs div:last-child { border-bottom: 0; }
  .network-row { grid-template-columns: .6fr 1.4fr; padding: 15px; }
  .network-head { font-size: 9px; }
  .legal-callout, .contact-panel { padding: 28px; }
  .site-footer { grid-template-columns: 1fr; }
  .site-footer nav { justify-content: flex-start; }
  .legal-copy { padding: 24px 19px; }
  .doc-actions { align-items: flex-start; flex-direction: column; }
}

@media print {
  :root { color-scheme: light; }
  body { background: #fff; color: #111; }
  .preview-strip, .site-header, .site-footer, .doc-actions, .doc-toc, .notice-form { display: none !important; }
  .page-shell { width: 100%; padding: 0; }
  .legal-layout { display: block; }
  .legal-copy { padding: 0; border: 0; box-shadow: none; background: #fff; }
  .legal-copy p, .legal-copy li, .legal-copy th, .legal-copy td { color: #222; }
  .legal-copy strong { color: #000; }
  .legal-copy a { color: #000; text-decoration: none; }
  .legal-copy h2 { break-after: avoid; }
  .legal-copy table { display: table; break-inside: avoid; }
}