:root {
  color-scheme: light;
  --ink: #18202b;
  --muted: #5b6675;
  --line: #d8dee8;
  --panel: #ffffff;
  --wash: #eef3f7;
  --teal: #0f766e;
  --teal-dark: #0a524d;
  --amber: #b7791f;
  --danger: #a33a2a;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #f7f9fb;
}

a {
  color: inherit;
}

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 0 32px;
  color: #fff;
  background: rgba(14, 20, 28, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 760;
}

.brand-mark {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: #0f766e;
  font-size: 16px;
  font-weight: 800;
}

nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
}

nav a {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.86);
}

.hero {
  position: relative;
  display: grid;
  min-height: 88vh;
  overflow: hidden;
  background: #121922;
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  opacity: 0.76;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(12, 17, 24, 0.92) 0%, rgba(12, 17, 24, 0.72) 43%, rgba(12, 17, 24, 0.22) 100%),
    linear-gradient(0deg, rgba(12, 17, 24, 0.66) 0%, rgba(12, 17, 24, 0) 42%);
}

.hero-content {
  position: relative;
  z-index: 1;
  align-self: end;
  width: min(760px, calc(100vw - 48px));
  padding: 128px 0 92px 64px;
  color: #fff;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 780;
  color: #99f6e4;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 18px;
  font-size: 68px;
  line-height: 1;
  font-weight: 820;
}

.hero-copy {
  max-width: 640px;
  margin-bottom: 28px;
  font-size: 21px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.primary-action,
.secondary-action,
.download-button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 6px;
  font-weight: 760;
  text-decoration: none;
}

.primary-action,
.download-button {
  color: #fff;
  background: var(--teal);
}

.primary-action:hover,
.download-button:hover {
  background: var(--teal-dark);
}

.secondary-action {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.08);
}

.hero-note {
  max-width: 620px;
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
}

.download-band,
.workflow-band {
  padding: 72px 32px;
}

.download-band {
  background: var(--wash);
}

.workflow-band {
  background: #fff;
}

.section-inner {
  width: min(1160px, 100%);
  margin: 0 auto;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 28px;
}

.section-heading h2 {
  margin-bottom: 10px;
  font-size: 34px;
  line-height: 1.18;
}

.section-heading p {
  color: var(--muted);
  line-height: 1.7;
}

.download-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.8fr) minmax(260px, 0.8fr);
  gap: 16px;
}

.download-item,
.capability-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.download-item {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 330px;
  padding: 22px;
}

.download-item.ready {
  border-top: 4px solid var(--teal);
}

.download-item.pending {
  border-top: 4px solid var(--amber);
}

.platform {
  margin-bottom: 8px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 780;
  text-transform: uppercase;
}

.download-item h3,
.capability-grid h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.download-item p,
.capability-grid p {
  color: var(--muted);
  line-height: 1.65;
}

dl {
  display: grid;
  gap: 10px;
  margin: 12px 0 18px;
}

dl div {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 12px;
}

dt {
  color: var(--muted);
  font-size: 13px;
}

dd {
  margin: 0;
  min-width: 0;
  font-size: 13px;
  font-weight: 680;
}

.hash {
  overflow-wrap: anywhere;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
}

.status {
  display: inline-flex;
  width: fit-content;
  min-height: 34px;
  align-items: center;
  padding: 0 11px;
  color: #80530f;
  border: 1px solid #f0c36a;
  border-radius: 6px;
  background: #fff8e8;
  font-size: 13px;
  font-weight: 720;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.capability-grid article {
  min-height: 180px;
  padding: 20px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
  padding: 24px 32px 34px;
  color: var(--muted);
  background: #f7f9fb;
  border-top: 1px solid var(--line);
  font-size: 13px;
}

.site-footer a {
  color: var(--teal-dark);
  font-weight: 720;
}

@media (max-width: 980px) {
  .site-header {
    padding: 0 20px;
  }

  nav {
    gap: 14px;
  }

  .hero-content {
    padding-left: 28px;
    padding-bottom: 76px;
  }

  h1 {
    font-size: 48px;
  }

  .hero-copy {
    font-size: 18px;
  }

  .download-grid,
  .capability-grid {
    grid-template-columns: 1fr;
  }

  .download-item {
    min-height: auto;
  }
}

@media (max-width: 640px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
    min-height: 88px;
    padding: 16px;
    gap: 12px;
    flex-direction: column;
  }

  nav {
    width: 100%;
    justify-content: space-between;
    font-size: 13px;
  }

  .hero {
    min-height: 90vh;
  }

  .hero-content {
    width: calc(100vw - 32px);
    padding: 132px 0 62px 16px;
  }

  h1 {
    font-size: 40px;
  }

  .hero-copy {
    font-size: 16px;
  }

  .download-band,
  .workflow-band {
    padding: 48px 18px;
  }
}