:root {
  color-scheme: dark;
  --bg: #07111f;
  --panel: rgba(255, 255, 255, 0.075);
  --line: rgba(255, 255, 255, 0.14);
  --text: #edf7ff;
  --muted: #a7b7c9;
  --cyan: #34d5e8;
  --green: #57d98c;
  --ink: #061018;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(rgba(7, 17, 31, 0.78), rgba(7, 17, 31, 0.94)),
    url("https://images.unsplash.com/photo-1492724441997-5dc865305da7?auto=format&fit=crop&w=1800&q=80") center / cover fixed;
  color: var(--text);
  font-family: "Segoe UI", Arial, sans-serif;
}

a {
  color: inherit;
}

.siteHeader,
footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.siteHeader {
  padding: 18px 0;
}

.brand,
nav,
footer {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand {
  text-decoration: none;
  font-weight: 800;
}

.brandMark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--cyan);
  color: var(--ink);
  font-weight: 900;
}

nav a,
footer a {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

.siteHeader nav {
  flex-wrap: wrap;
}

.loginLink {
  color: var(--text);
  font-weight: 700;
}

main {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: calc(100vh - 112px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 440px);
  align-items: center;
  gap: 46px;
  padding: 22px 0 72px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(42px, 8vw, 76px);
  line-height: 0.95;
  letter-spacing: 0;
}

.lead {
  max-width: 620px;
  margin: 22px 0 0;
  color: #dce8f4;
  font-size: 18px;
  line-height: 1.65;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

.btn.primary {
  background: var(--cyan);
  color: var(--ink);
}

.btn.ghost {
  border: 1px solid var(--line);
  color: var(--text);
}

.productShot,
.reviewFlow,
.doc {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  backdrop-filter: blur(16px);
}

.productShot {
  min-height: 360px;
  overflow: hidden;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
}

.shotTop {
  display: flex;
  gap: 8px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
}

.shotTop span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--muted);
}

.shotGrid {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.shotGrid section {
  padding: 18px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid var(--line);
}

.shotGrid small {
  color: var(--cyan);
  font-weight: 800;
  text-transform: uppercase;
}

.shotGrid strong {
  display: block;
  margin-top: 8px;
  font-size: 22px;
}

.shotGrid p {
  color: var(--muted);
}

.reviewFlow {
  margin: -44px 0 48px;
  padding: 24px;
}

.reviewFlow h2,
.doc h1 {
  margin: 0 0 16px;
}

.reviewFlow li,
.doc p {
  color: #dce8f4;
  line-height: 1.7;
}

.doc ul,
.doc ol {
  color: #dce8f4;
  line-height: 1.7;
  padding-left: 22px;
}

.doc li {
  margin: 8px 0;
}

.doc h2,
.doc h3 {
  margin: 26px 0 10px;
  letter-spacing: 0;
}

.doc h2 {
  font-size: 24px;
}

.doc h3 {
  font-size: 18px;
}

.doc a {
  color: var(--cyan);
  font-weight: 800;
}

.doc code {
  overflow-wrap: anywhere;
  color: #d7fff7;
}

.doc {
  margin: 42px auto;
  padding: 28px;
  max-width: 920px;
}

.docLead {
  font-size: 18px;
}

.docMeta {
  margin-top: 10px;
  color: var(--muted);
}

.docGrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 22px 0;
}

.docPanel,
.notice {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.24);
  padding: 16px;
}

.docPanel strong {
  display: block;
  margin-bottom: 8px;
  color: var(--text);
}

.notice {
  margin: 20px 0;
}

.docTable {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
}

.docTable th,
.docTable td {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  text-align: left;
}

.docTable th {
  width: 32%;
  color: var(--muted);
}

.docNav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
}

.docNav a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
}

footer {
  padding: 20px 0 32px;
  color: var(--muted);
}

@media (max-width: 820px) {
  .siteHeader,
  footer,
  nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 28px;
    padding-top: 34px;
  }

  .productShot {
    min-height: 280px;
  }

  .docGrid {
    grid-template-columns: 1fr;
  }

  .docTable th,
  .docTable td {
    display: block;
    width: 100%;
  }
}