:root {
  --bg: #0b1020;
  --bg-soft: #131a30;
  --card: #1a2240;
  --text: #e8ecff;
  --muted: #9aa6cf;
  --accent: #7c9cff;
  --accent-2: #d67cff;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  --maxw: 960px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 500px at 80% -10%, rgba(124, 156, 255, 0.18), transparent 60%),
    radial-gradient(700px 500px at 0% 10%, rgba(214, 124, 255, 0.14), transparent 55%),
    var(--bg);
  line-height: 1.6;
}

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

/* Header */
.site-header {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 28px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.logo-mark {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.nav { display: flex; gap: 22px; }
.nav a { color: var(--muted); font-size: 0.95rem; transition: color 0.2s; }
.nav a:hover { color: var(--text); }

/* Layout */
main { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* Hero */
.hero { padding: 72px 0 56px; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  color: var(--accent);
  margin: 0 0 18px;
}

h1 {
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  line-height: 1.1;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
}

.gradient {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  color: var(--muted);
  max-width: 560px;
  font-size: 1.05rem;
  margin: 0 0 28px;
}

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

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b1020;
}

.btn-ghost {
  border: 1px solid var(--border);
  color: var(--text);
}

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

/* Sections */
.section { padding: 48px 0; border-top: 1px solid var(--border); }

.section h2 {
  font-size: 1.5rem;
  margin: 0 0 24px;
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

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

.card-icon { font-size: 1.5rem; margin-bottom: 10px; }
.card h3 { margin: 0 0 8px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

/* Steps */
.steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.steps li {
  counter-increment: step;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.steps li::before {
  content: counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin-bottom: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b1020;
  font-weight: 700;
  font-size: 0.85rem;
}

.steps h3 { margin: 0 0 8px; font-size: 1.05rem; }
.steps p { margin: 0; color: var(--muted); font-size: 0.95rem; }

/* Gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}

.tile {
  margin: 0;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  display: flex;
  align-items: flex-end;
  padding: 14px;
  font-weight: 600;
  font-size: 0.9rem;
  color: #0b1020;
  overflow: hidden;
}

.tile figcaption {
  background: rgba(255, 255, 255, 0.75);
  padding: 4px 10px;
  border-radius: 999px;
}

.tile-a { background: linear-gradient(160deg, #ffd6a5, #ff9f7a); }
.tile-b { background: linear-gradient(160deg, #a5e8ff, #5b9dff); }
.tile-c { background: linear-gradient(160deg, #cdb4ff, #8a5bff); }
.tile-d { background: linear-gradient(160deg, #b8f5c8, #4fd18b); }

code {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 2px 7px;
  border-radius: 6px;
  font-size: 0.9em;
}

/* Footer */
.site-footer {
  max-width: var(--maxw);
  margin: 24px auto 0;
  padding: 28px 24px 48px;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}

.site-footer p { margin: 0; }
.site-footer p + p { margin-top: 6px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}