:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --bg-alt: #f6f7fb;
  --text: #14151a;
  --text-muted: #52545e;
  --border: #e4e5ec;
  --card-bg: #ffffff;
  --code-bg: #14151a;
  --code-text: #e8e9f0;
  --accent: #6366f1;
  --accent-2: #22d3ee;
  --accent-contrast: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0e13;
    --bg-alt: #14151d;
    --text: #eceef4;
    --text-muted: #a2a4b3;
    --border: #262836;
    --card-bg: #171922;
    --code-bg: #0a0b10;
    --code-text: #dfe1ea;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

code, pre {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  color: var(--text);
}

.nav__links {
  display: flex;
  gap: 28px;
}

.nav__links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.nav__links a:hover { color: var(--text); }

/* Hero */
.hero {
  padding: 72px 0 64px;
  background: linear-gradient(180deg, var(--bg-alt), var(--bg) 60%);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 14px;
}

h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.15;
  margin: 0 0 18px;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin: 0 0 8px;
}

.lede {
  font-size: 1.08rem;
  color: var(--text-muted);
  margin: 0 0 28px;
  max-width: 54ch;
}

.section-lede {
  color: var(--text-muted);
  margin: 0 0 40px;
  max-width: 60ch;
}

.cta-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--accent-contrast);
}

.btn--ghost {
  border-color: var(--border);
  color: var(--text);
}

.btn--ghost:hover { background: var(--bg-alt); }

.hero__facts {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.hero__facts li { padding-left: 22px; position: relative; }
.hero__facts li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.hero__media img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.35);
  display: block;
}

/* Features */
.features { padding: 80px 0; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

.card__icon { font-size: 1.6rem; margin-bottom: 10px; }
.card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--text-muted); font-size: 0.94rem; }

/* Quick start */
.quick-start { padding: 80px 0; background: var(--bg-alt); }

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.step {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

.step h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  margin: 0 0 14px;
}

.step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--accent-contrast);
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}

.step pre {
  background: var(--code-bg);
  color: var(--code-text);
  padding: 14px 16px;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 0.82rem;
  margin: 0 0 12px;
}

.step p {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin: 0;
}

/* Panel guide */
.panel-guide { padding: 80px 0; }

.guide-list {
  color: var(--text-muted);
  padding-left: 20px;
  max-width: 70ch;
}

.guide-list li { margin-bottom: 8px; }
.guide-list strong { color: var(--text); }

.table-wrap {
  overflow-x: auto;
  margin: 28px 0 24px;
  border: 1px solid var(--border);
  border-radius: 12px;
}

table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }

th, td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

thead th { background: var(--bg-alt); }
tbody tr:last-child td { border-bottom: none; }

.guide-note {
  color: var(--text-muted);
  font-size: 0.92rem;
  max-width: 70ch;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.brand--footer { font-size: 1rem; }

.footer__links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

.footer__links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer__links a:hover { color: var(--text); }

/* Responsive */
@media (max-width: 860px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__media { order: -1; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .nav__links { gap: 16px; }
}

@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
  .nav__links a:not(:last-child) { display: none; }
}