:root {
  color-scheme: dark;
  --bg: #0d1321;
  --surface: #151e2f;
  --surface-2: #1d2d44;
  --line: #314763;
  --text: #f4fcfb;
  --muted: #acbcbf;
  --accent: #55c2da;
  --accent-strong: #8eddeb;
  --success: #75d5a6;
  --max-width: 1180px;
}

* { box-sizing: border-box; }

html {
  min-width: 320px;
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background: var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a { color: inherit; }

.site-header {
  width: min(calc(100% - 48px), var(--max-width));
  min-height: 68px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 760;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  color: #08242b;
  background: var(--accent-strong);
  font-size: 12px;
  font-weight: 850;
}

.header-action {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 7px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 720;
}

.header-action:hover,
.header-action:focus-visible {
  border-color: var(--accent);
  background: var(--surface);
}

.hero {
  width: min(calc(100% - 48px), var(--max-width));
  min-height: calc(100svh - 68px);
  margin: 0 auto;
  padding: 72px 0 54px;
  display: grid;
  grid-template-columns: minmax(300px, .82fr) minmax(0, 1.18fr);
  align-items: center;
  gap: 64px;
}

.hero-copy { max-width: 510px; }

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 780;
  text-transform: uppercase;
  letter-spacing: .1em;
}

h1,
h2,
h3 { letter-spacing: 0; }

h1 {
  margin: 0;
  font-size: 76px;
  line-height: .98;
  font-weight: 780;
}

.summary {
  max-width: 470px;
  margin: 24px 0 30px;
  color: var(--muted);
  font-size: 18px;
}

.primary-action {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 18px;
  border-radius: 7px;
  color: #061b20;
  background: var(--accent);
  text-decoration: none;
  font-size: 14px;
  font-weight: 780;
  transition: background-color .16s ease, transform .16s ease;
}

.primary-action svg,
.access-note svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.primary-action:hover { background: var(--accent-strong); transform: translateY(-1px); }

.primary-action:focus-visible,
.header-action:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 34%, transparent);
  outline-offset: 3px;
}

.access-note {
  margin: 18px 0 0;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}

.access-note svg { color: var(--success); }

.product-preview {
  min-width: 0;
  margin: 0;
}

.product-preview img {
  width: 100%;
  aspect-ratio: 2.7 / 1;
  display: block;
  object-fit: cover;
  object-position: left center;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 28px 80px rgb(0 0 0 / 28%);
}

.product-preview figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 12px;
}

.capabilities {
  padding: 78px max(24px, calc((100% - var(--max-width)) / 2));
  display: grid;
  grid-template-columns: minmax(260px, .8fr) minmax(0, 1.2fr);
  gap: 70px;
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-heading h2 {
  max-width: 440px;
  margin: 0;
  font-size: 44px;
  line-height: 1.08;
  font-weight: 750;
}

.capability-list { border-top: 1px solid var(--line); }

.capability-list article {
  min-height: 128px;
  padding: 24px 0;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  border-bottom: 1px solid var(--line);
}

.capability-number {
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 800;
}

.capability-list h3 {
  margin: 0 0 7px;
  font-size: 19px;
}

.capability-list p {
  max-width: 530px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

footer {
  width: min(calc(100% - 48px), var(--max-width));
  min-height: 92px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-size: 12px;
}

footer span:first-child { color: var(--text); font-weight: 740; }

@media (max-width: 860px) {
  .hero {
    min-height: auto;
    padding: 58px 0 50px;
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .hero-copy { max-width: 640px; }
  h1 { font-size: 62px; }
  .section-heading h2 { font-size: 38px; }
  .product-preview img { aspect-ratio: 2.2 / 1; }
  .capabilities { grid-template-columns: 1fr; gap: 42px; }
}

@media (max-width: 560px) {
  .site-header,
  .hero,
  footer { width: min(calc(100% - 28px), var(--max-width)); }
  .header-action { padding: 0 11px; font-size: 12px; }
  .hero { padding-top: 42px; }
  h1 { font-size: 46px; }
  .section-heading h2 { font-size: 34px; }
  .summary { font-size: 16px; }
  .primary-action { width: 100%; }
  .product-preview img { aspect-ratio: 1.7 / 1; }
  .capabilities { padding: 58px 14px; }
  footer { min-height: 110px; align-items: flex-start; justify-content: center; flex-direction: column; gap: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .primary-action { transition: none; }
}