:root {
  color-scheme: dark;
  --bg: #050b18;
  --bg-2: #07101f;
  --panel: rgba(11, 21, 40, 0.82);
  --panel-strong: rgba(16, 32, 57, 0.94);
  --line: rgba(120, 158, 207, 0.18);
  --text: #f3f7ff;
  --muted: #b2c3dd;
  --accent: #2b82ff;
  --accent-2: #ffa11a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(43, 130, 255, 0.18), transparent 32%),
    radial-gradient(circle at top right, rgba(255, 161, 26, 0.16), transparent 28%),
    linear-gradient(180deg, var(--bg), var(--bg-2));
  color: var(--text);
  min-height: 100vh;
}

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

.backdrop {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(130deg, rgba(255, 255, 255, 0.03), transparent 35%),
    linear-gradient(330deg, rgba(255, 255, 255, 0.03), transparent 42%);
  opacity: 0.8;
}

.hero,
.section,
.footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  padding: 28px 0 10px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 28px;
}

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

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-weight: 800;
  letter-spacing: 0.08em;
  background: linear-gradient(135deg, var(--accent), rgba(255, 255, 255, 0.08));
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent-2);
  font-size: 0.72rem;
  font-weight: 700;
}

.topbar-actions,
.cta-row,
.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.ghost,
.primary,
.secondary {
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 700;
  border: 1px solid var(--line);
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

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

.primary {
  background: linear-gradient(135deg, var(--accent), #1658c7);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 16px 40px rgba(43, 130, 255, 0.28);
}

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

.hero-grid,
.split,
.grid-2,
.grid-3 {
  display: grid;
  gap: 18px;
}

.hero-grid {
  grid-template-columns: 1.2fr 0.8fr;
  align-items: stretch;
}

.hero-copy h1,
.section h2 {
  margin: 0;
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.hero-copy h1 {
  font-size: clamp(2.6rem, 5vw, 5rem);
  max-width: 12ch;
}

.lede,
.card p,
.timeline li {
  color: var(--muted);
  line-height: 1.6;
}

.lede {
  font-size: 1.05rem;
  max-width: 60ch;
  margin: 18px 0 0;
}

.hero-panel {
  display: grid;
  gap: 14px;
}

.panel-card,
.card,
.feature {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.panel-card {
  padding: 18px;
}

.panel-card p {
  margin: 0 0 8px;
  color: var(--muted);
}

.panel-card strong {
  font-size: 1.02rem;
}

.accent {
  background: linear-gradient(180deg, rgba(43, 130, 255, 0.16), rgba(11, 21, 40, 0.92));
}

.image-card {
  padding: 16px;
  overflow: hidden;
}

.hero-art {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  display: block;
  border-radius: 18px;
  border: 0;
  box-shadow: 0 16px 46px rgba(0, 0, 0, 0.28);
}

.hero-caption {
  margin: 12px 4px 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.builder-role {
  margin: 0 0 12px;
  color: #d9e4f5;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.section {
  padding: 72px 0 0;
}

.section-heading {
  margin-bottom: 20px;
}

.section-heading h2,
.split h2 {
  font-size: clamp(1.8rem, 3vw, 3rem);
  max-width: 20ch;
}

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

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  padding: 22px;
}

.card h3 {
  margin-top: 0;
}

.feature-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.feature {
  padding: 14px 18px;
}

.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.timeline li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  align-items: center;
  padding: 16px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.timeline span {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(43, 130, 255, 0.18);
  color: var(--text);
  font-weight: 800;
}

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

.promo {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
}

.footer {
  padding: 56px 0 32px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 900px) {
  .hero-grid,
  .grid-2,
  .grid-3,
  .split,
  .topbar {
    grid-template-columns: 1fr;
    display: grid;
  }

  .hero-copy h1 {
    max-width: none;
  }

  .topbar-actions,
  .cta-row,
  .meta-row {
    gap: 10px;
  }

  .footer {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .hero,
  .section,
  .footer {
    width: min(100% - 20px, 1120px);
  }

  .hero-copy h1 {
    font-size: clamp(2.1rem, 10vw, 3.5rem);
  }

  .card,
  .panel-card {
    padding: 18px;
    border-radius: 20px;
  }

  .image-card {
    padding: 14px;
  }

  .timeline li {
    grid-template-columns: 1fr;
  }
}