:root {
  --bg: #07090d;
  --surface: #111721;
  --surface-2: #171f2b;
  --line: rgba(255, 255, 255, 0.12);
  --text: #f7f8fb;
  --muted: #aeb6c5;
  --orange: #ff8a00;
  --orange-2: #ffb257;
  --steel: #7f8d9f;
  --teal: #20d0b2;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  letter-spacing: 0;
}

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

.site-header {
  position: fixed;
  z-index: 20;
  inset: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 76px;
  padding: 14px clamp(18px, 5vw, 72px);
  background: rgba(7, 9, 13, 0.38);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(16px);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.site-header.is-scrolled {
  background: rgba(7, 9, 13, 0.86);
  border-color: var(--line);
}

.brand {
  display: flex;
  align-items: center;
}

.brand img {
  width: 164px;
  height: 48px;
  object-fit: cover;
  object-position: left center;
  border-radius: 8px;
}

nav {
  display: flex;
  gap: 22px;
  margin-left: auto;
  color: var(--muted);
  font-size: 14px;
}

nav a:hover,
.header-cta:hover {
  color: var(--orange-2);
}

.header-cta {
  padding: 10px 14px;
  color: #111;
  background: var(--orange);
  border-radius: 10px;
  font-weight: 800;
}

.hero {
  position: relative;
  min-height: 94vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px clamp(22px, 6vw, 92px) 86px;
}

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

.hero-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.02);
}

.hero-shade {
  background:
    radial-gradient(circle at 68% 48%, rgba(255, 138, 0, 0.18), transparent 26%),
    linear-gradient(90deg, rgba(7, 9, 13, 0.96), rgba(7, 9, 13, 0.70) 46%, rgba(7, 9, 13, 0.35)),
    linear-gradient(180deg, rgba(7, 9, 13, 0.52), rgba(7, 9, 13, 0.92));
}

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

.eyebrow {
  margin: 0 0 14px;
  color: var(--orange-2);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 20px;
  font-size: clamp(58px, 10vw, 118px);
  line-height: 0.9;
  font-weight: 900;
}

h2 {
  font-size: clamp(32px, 5vw, 58px);
  line-height: 1;
  margin-bottom: 18px;
}

h3 {
  font-size: 22px;
  margin-bottom: 12px;
}

.hero-copy,
.section p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}

.hero-copy {
  max-width: 660px;
}

.hero-actions,
.doc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 10px;
  font-weight: 850;
}

.button.primary {
  color: #101010;
  background: var(--orange);
}

.button.ghost {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
}

.button:hover {
  transform: translateY(-1px);
}

.button.full {
  width: 100%;
  margin-top: 12px;
}

.hero-next {
  position: absolute;
  z-index: 2;
  left: clamp(22px, 6vw, 92px);
  bottom: 24px;
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: 92px clamp(22px, 6vw, 92px);
}

.section-heading {
  max-width: 860px;
  margin-bottom: 34px;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.module-card,
.release-panel,
.docs {
  background: linear-gradient(180deg, rgba(23, 31, 43, 0.98), rgba(14, 19, 27, 0.98));
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.module-card {
  min-height: 268px;
  padding: 26px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.module-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 138, 0, 0.62);
}

.module-icon {
  display: block;
  font-size: 42px;
  margin-bottom: 26px;
}

.module-card p {
  font-size: 15px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  gap: 28px;
  align-items: center;
  background: linear-gradient(90deg, rgba(255, 138, 0, 0.08), transparent);
}

.check-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.check-list span {
  padding: 14px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.release-panel {
  padding: 26px;
}

.release-panel div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.release-panel strong {
  color: var(--steel);
}

.workflow {
  background: #0b0f15;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.timeline li {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.045);
}

.timeline span {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--orange);
  font-size: 28px;
  font-weight: 900;
}

.timeline p {
  color: var(--muted);
  line-height: 1.55;
}

.docs {
  margin: 92px clamp(22px, 6vw, 92px);
  padding: 52px;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  padding: 26px clamp(22px, 6vw, 92px);
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: #07090d;
}

@media (max-width: 1040px) {
  nav {
    display: none;
  }

  .module-grid,
  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 680px) {
  .site-header {
    min-height: 66px;
  }

  .brand img {
    width: 134px;
    height: 40px;
  }

  .header-cta {
    padding: 9px 11px;
    font-size: 13px;
  }

  .hero {
    min-height: 92vh;
    padding-top: 96px;
  }

  .module-grid,
  .timeline,
  .check-list {
    grid-template-columns: 1fr;
  }

  .module-card {
    min-height: auto;
  }

  .docs {
    margin: 40px 18px;
    padding: 28px;
  }
}