:root {
  --bg: #061019;
  --panel: rgba(12, 22, 35, 0.72);
  --panel-strong: rgba(13, 25, 39, 0.9);
  --line: rgba(133, 184, 255, 0.22);
  --text: #f4f8ff;
  --muted: #a8b8d6;
  --accent: #88d7ff;
  --accent-strong: #9af0cf;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 0%, rgba(60, 107, 196, 0.22), transparent 30%),
    radial-gradient(circle at 100% 20%, rgba(40, 213, 181, 0.18), transparent 28%),
    linear-gradient(180deg, #07111d 0%, #061019 42%, #091521 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent 90%);
}

.page-shell {
  width: min(1160px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 64px;
}

.topbar,
.hero-panel,
.feature-card,
.roadmap-band,
.changelog-item {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px) saturate(135%);
  -webkit-backdrop-filter: blur(22px) saturate(135%);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 18px;
  border-radius: 24px;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(136, 215, 255, 0.26), rgba(154, 240, 207, 0.14));
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  padding: 8px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

.brand-mark span {
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(136, 215, 255, 0.32));
}

.brand-mark span:nth-child(3) {
  grid-column: 1 / -1;
}

.eyebrow,
.kicker,
.card-label,
.panel-label,
.section-note,
.changelog-meta {
  font-family: "IBM Plex Mono", monospace;
  letter-spacing: 0.08em;
}

.eyebrow,
.kicker,
.card-label,
.panel-label {
  margin: 0 0 8px;
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--accent);
}

.topbar h1,
.hero h2,
.feature-card h3,
.roadmap-band h3,
.section-heading h3 {
  margin: 0;
  line-height: 0.94;
}

.topbar h1 {
  font-size: 1.3rem;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.topbar-actions a,
.secondary {
  color: var(--muted);
  text-decoration: none;
}

.topbar-actions a:hover,
.secondary:hover {
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.9fr);
  gap: 18px;
  padding: 26px 0 18px;
}

.hero-copy {
  padding: 22px 6px 0 2px;
}

.hero h2 {
  max-width: 11ch;
  font-size: clamp(3rem, 7vw, 6.5rem);
  letter-spacing: -0.06em;
}

.hero-text {
  max-width: 58ch;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 18px;
}

.primary,
.secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  transition:
    transform 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

.primary {
  color: #04111a;
  text-decoration: none;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
}

.primary:hover,
.secondary:hover {
  transform: translateY(-1px);
}

.secondary {
  background: rgba(255, 255, 255, 0.03);
}

.signal-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.signal-list li {
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-panel {
  border-radius: 28px;
  padding: 18px;
  align-self: end;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent),
    var(--panel-strong);
}

.status-stack {
  display: grid;
  gap: 14px;
}

.status-stack article {
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.status-stack h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.status-stack p,
.feature-card p,
.roadmap-band li,
.section-note,
.changelog-summary,
.changelog-points li {
  color: var(--muted);
  line-height: 1.65;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature-card {
  border-radius: 24px;
  padding: 22px;
}

.feature-card-wide {
  grid-column: span 2;
  background:
    radial-gradient(circle at top right, rgba(136, 215, 255, 0.12), transparent 34%),
    var(--panel);
}

.feature-card h3,
.roadmap-band h3,
.section-heading h3 {
  font-size: clamp(1.5rem, 2vw, 2rem);
  margin-bottom: 10px;
}

.roadmap-band {
  margin: 14px 0;
  border-radius: 26px;
  padding: 24px;
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 18px;
}

.roadmap-band ol {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 10px;
}

.changelog-section {
  padding-top: 10px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.section-note {
  margin: 0;
  max-width: 30ch;
  font-size: 0.82rem;
  text-transform: uppercase;
}

.changelog-list {
  display: grid;
  gap: 12px;
}

.changelog-item {
  border-radius: 22px;
  padding: 18px;
}

.changelog-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.74rem;
  text-transform: uppercase;
  color: var(--accent);
}

.changelog-tag {
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(136, 215, 255, 0.12);
  border: 1px solid rgba(136, 215, 255, 0.18);
}

.changelog-title {
  margin: 12px 0 8px;
  font-size: 1.3rem;
}

.changelog-summary {
  margin: 0 0 10px;
}

.changelog-points {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

@media (max-width: 980px) {
  .hero,
  .feature-grid,
  .roadmap-band {
    grid-template-columns: 1fr;
  }

  .feature-card-wide {
    grid-column: span 1;
  }

  .section-heading,
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100vw - 20px, 1160px);
    padding-top: 12px;
  }

  .hero h2 {
    max-width: none;
  }

  .topbar,
  .hero-panel,
  .feature-card,
  .roadmap-band,
  .changelog-item {
    border-radius: 20px;
  }
}