:root {
  color-scheme: light dark;
  --bg: #f7f9fc;
  --surface: rgba(255, 255, 255, 0.84);
  --surface-strong: #ffffff;
  --text: #111827;
  --muted: #526071;
  --border: rgba(30, 64, 175, 0.14);
  --brand: #2563eb;
  --brand-strong: #3730a3;
  --brand-soft: #dbeafe;
  --shadow: 0 24px 80px rgba(15, 23, 42, 0.12);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1020;
    --surface: rgba(15, 23, 42, 0.76);
    --surface-strong: #111827;
    --text: #eef2ff;
    --muted: #aab6ca;
    --border: rgba(147, 197, 253, 0.2);
    --brand: #60a5fa;
    --brand-strong: #818cf8;
    --brand-soft: rgba(37, 99, 235, 0.18);
    --shadow: 0 24px 90px rgba(0, 0, 0, 0.42);
  }
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  background:
    radial-gradient(circle at 15% 15%, rgba(37, 99, 235, 0.18), transparent 32rem),
    radial-gradient(circle at 85% 20%, rgba(79, 70, 229, 0.16), transparent 28rem),
    linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(219, 234, 254, 0.58));
}

@media (prefers-color-scheme: dark) {
  body::before {
    background:
      radial-gradient(circle at 15% 15%, rgba(37, 99, 235, 0.24), transparent 32rem),
      radial-gradient(circle at 85% 20%, rgba(99, 102, 241, 0.22), transparent 28rem),
      linear-gradient(135deg, rgba(15, 23, 42, 0.94), rgba(30, 41, 59, 0.74));
  }
}

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 10;
  padding: 0.7rem 1rem;
  color: #ffffff;
  background: var(--brand-strong);
  border-radius: 0.5rem;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header,
main,
.site-footer {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 0;
}

.brand,
.site-nav,
.hero-panel,
.feature-grid article,
.steps li {
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0.85rem;
  font-weight: 800;
  text-decoration: none;
  border-radius: 0.75rem;
}

.brand-mark {
  display: grid;
  width: 2.2rem;
  height: 2.2rem;
  place-items: center;
  color: #ffffff;
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  border-radius: 0.6rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem;
  padding: 0.35rem;
  border-radius: 0.85rem;
}

.site-nav a {
  padding: 0.6rem 0.75rem;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 0.6rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
  background: var(--brand-soft);
  outline: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(20rem, 0.68fr);
  gap: 2rem;
  align-items: center;
  min-height: min(720px, calc(100vh - 9rem));
  padding: 4rem 0;
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 12ch;
  margin-bottom: 1.2rem;
  font-size: 6rem;
  line-height: 0.92;
  letter-spacing: 0;
}

.hero-text {
  max-width: 42rem;
  margin-bottom: 1.7rem;
  color: var(--muted);
  font-size: 1.2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 3rem;
  padding: 0.82rem 1.05rem;
  font-weight: 800;
  text-decoration: none;
  border-radius: 0.65rem;
}

.button.primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
}

.button.secondary {
  color: var(--text);
  background: var(--surface-strong);
  border: 1px solid var(--border);
}

.hero-panel {
  padding: 1.35rem;
  border-radius: 0.85rem;
}

.panel-label {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

dl {
  display: grid;
  gap: 1rem;
  margin: 0;
}

dt {
  font-weight: 800;
}

dd {
  margin: 0.18rem 0 0;
  color: var(--muted);
}

.feature-band,
.workflow {
  padding: 3rem 0;
}

.section-heading {
  max-width: 48rem;
  margin-bottom: 1.3rem;
}

h2 {
  font-size: 3rem;
  line-height: 1;
  letter-spacing: 0;
}

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

.feature-grid article,
.steps li {
  padding: 1.1rem;
  border-radius: 0.85rem;
}

h3 {
  margin-bottom: 0.5rem;
}

.feature-grid p,
.steps span {
  color: var(--muted);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.steps strong,
.steps span {
  display: block;
}

.steps strong {
  margin-bottom: 0.35rem;
  font-size: 1.1rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem 0 2.5rem;
  color: var(--muted);
}

@media (max-width: 780px) {
  .site-header,
  .hero,
  .site-footer {
    align-items: stretch;
  }

  .site-header,
  .site-footer {
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 2.5rem 0;
  }

  h1 {
    font-size: 3.6rem;
  }

  h2 {
    font-size: 2.25rem;
  }

  .feature-grid,
  .steps {
    grid-template-columns: 1fr;
  }
}