:root {
  color-scheme: dark;
  --bg: #080b0d;
  --bg-soft: #10161a;
  --text: #f5f7f4;
  --muted: #aeb8b0;
  --line: rgba(255, 255, 255, 0.14);
  --teal: #29d3c1;
  --amber: #d6a24f;
  --green: #9cc56d;
  --ink: #111715;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
  padding: 0 clamp(20px, 4vw, 56px);
  color: var(--text);
  transition:
    background 180ms ease,
    border-color 180ms ease;
}

.site-header[data-elevated="true"] {
  background: rgba(8, 11, 13, 0.86);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand,
.nav,
.hero-actions,
.contact-actions {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(41, 211, 193, 0.5);
  background: rgba(41, 211, 193, 0.12);
  color: var(--teal);
  font-weight: 800;
}

.nav {
  gap: 26px;
  color: rgba(245, 247, 244, 0.78);
  font-size: 14px;
}

.nav a:hover {
  color: var(--text);
}

.header-action {
  border: 1px solid rgba(245, 247, 244, 0.28);
  padding: 10px 14px;
  font-size: 14px;
  background: rgba(245, 247, 244, 0.08);
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 118px clamp(20px, 5vw, 72px) 64px;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(8, 11, 13, 0.98) 0%, rgba(8, 11, 13, 0.82) 38%, rgba(8, 11, 13, 0.32) 72%, rgba(8, 11, 13, 0.5) 100%),
    linear-gradient(180deg, rgba(8, 11, 13, 0.2) 0%, rgba(8, 11, 13, 0.92) 100%);
}

.hero-content {
  position: relative;
  max-width: 760px;
  z-index: 2;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin: 0;
  font-size: clamp(56px, 8vw, 116px);
  line-height: 0.92;
  max-width: 720px;
}

.hero-copy {
  max-width: 660px;
  margin: 26px 0 0;
  color: rgba(245, 247, 244, 0.82);
  font-size: clamp(18px, 2vw, 22px);
}

.hero-actions {
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  font-weight: 700;
}

.button.primary {
  background: var(--text);
  color: var(--ink);
}

.button.secondary {
  border-color: rgba(245, 247, 244, 0.28);
  background: rgba(8, 11, 13, 0.44);
  color: var(--text);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 760px;
  margin: 54px 0 0;
  border: 1px solid var(--line);
  background: var(--line);
}

.hero-metrics div {
  min-height: 96px;
  padding: 18px;
  background: rgba(8, 11, 13, 0.72);
}

.hero-metrics dt {
  font-weight: 800;
  color: var(--text);
}

.hero-metrics dd {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: 88px clamp(20px, 5vw, 72px);
}

.section-heading,
.split,
.security-panel,
.contact,
.footer {
  max-width: var(--max);
  margin: 0 auto;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 40px;
  align-items: end;
  margin-bottom: 42px;
}

h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 62px);
  line-height: 1.02;
}

h3 {
  margin: 0;
  font-size: 21px;
}

.platform-grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.platform-grid article {
  min-height: 280px;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #0d1214;
}

.icon {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 28px;
  margin-bottom: 46px;
  border: 1px solid rgba(214, 162, 79, 0.46);
  color: var(--amber);
  font-size: 12px;
  font-weight: 800;
}

.platform-grid p,
.copy-block p,
.app-list p,
.contact p,
.security li {
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 54px;
  align-items: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.copy-block p {
  font-size: 18px;
}

.code-panel {
  overflow: hidden;
  border: 1px solid rgba(41, 211, 193, 0.24);
  background: #0e1517;
  box-shadow: 0 32px 70px rgba(0, 0, 0, 0.36);
}

.panel-top {
  display: flex;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

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

.panel-top span:nth-child(2) {
  background: var(--amber);
}

.panel-top span:nth-child(3) {
  background: var(--teal);
}

pre {
  margin: 0;
  overflow-x: auto;
  padding: 26px;
  color: #d7f8ef;
  font-size: 14px;
  line-height: 1.7;
}

.apps {
  background: #f3f1eb;
  color: #121615;
}

.apps .eyebrow {
  color: #2e746a;
}

.app-list {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(18, 22, 21, 0.18);
  border-left: 1px solid rgba(18, 22, 21, 0.18);
}

.app-list article {
  min-height: 230px;
  padding: 24px;
  border-right: 1px solid rgba(18, 22, 21, 0.18);
  border-bottom: 1px solid rgba(18, 22, 21, 0.18);
}

.app-list p {
  color: rgba(18, 22, 21, 0.72);
}

.security {
  background: #0b1112;
}

.security-panel {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 54px;
  padding: 48px;
  border: 1px solid var(--line);
}

.security ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.security li {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.security li:first-child {
  padding-top: 0;
}

.contact {
  text-align: center;
  padding-block: 110px;
}

.contact p {
  max-width: 720px;
  margin: 22px auto 0;
  font-size: 18px;
}

.contact-actions {
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 900px) {
  .site-header {
    height: auto;
    padding-block: 16px;
  }

  .nav {
    display: none;
  }

  .hero {
    min-height: 92vh;
    padding-top: 104px;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(8, 11, 13, 0.98) 0%, rgba(8, 11, 13, 0.82) 58%, rgba(8, 11, 13, 0.46) 100%),
      linear-gradient(180deg, rgba(8, 11, 13, 0.22) 0%, rgba(8, 11, 13, 0.94) 100%);
  }

  .hero-metrics,
  .section-heading,
  .split,
  .security-panel {
    grid-template-columns: 1fr;
  }

  .platform-grid,
  .app-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .header-action {
    display: none;
  }

  .hero-actions,
  .contact-actions {
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  .hero-metrics,
  .platform-grid,
  .app-list {
    grid-template-columns: 1fr;
  }

  .section,
  .contact {
    padding-block: 64px;
  }

  .security-panel {
    padding: 28px;
  }

  .footer {
    flex-direction: column;
  }
}