/* Zenith Revelation - estilos base */

/* Suavidade nas âncoras */
html {
  scroll-behavior: smooth;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  color: #1f2937; /* slate-800 */
  background: #f8fafc; /* slate-50 */
}

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(150%) blur(6px);
  border-bottom: 1px solid #e5e7eb;
}

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

.brand {
  font-weight: 700;
  letter-spacing: 0.2px;
}

.nav a {
  display: inline-block;
  margin-left: 16px;
  text-decoration: none;
  color: #1f2937;
  font-weight: 500;
}

.nav a:hover { color: #111827; }

/* Hero */
.hero {
  padding: 96px 0 64px;
  background: linear-gradient(135deg, #eef2ff 0%, #f1f5f9 60%, #ffffff 100%);
}

.hero-inner {
  text-align: center;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: 2.4rem;
}

.hero p {
  margin: 0 auto 24px;
  color: #374151;
  max-width: 720px;
}

.cta { margin-top: 12px; }
.btn {
  display: inline-block;
  border-radius: 8px;
  padding: 12px 18px;
  text-decoration: none;
  font-weight: 600;
}

.btn-primary {
  background: #4f46e5; /* indigo-600 */
  color: #fff;
}

.btn-primary:hover { background: #4338ca; }

/* Sections */
.section { padding: 56px 0; }
.section.alt { background: #ffffff; }

.section h2 {
  margin: 0 0 16px;
  font-size: 1.8rem;
}

.features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

@media (max-width: 768px) {
  .features { grid-template-columns: 1fr; }
}

.card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}

.card h3 { margin: 0 0 8px; font-size: 1.1rem; }
.card p { margin: 0; color: #4b5563; }

.api-details {
  margin-top: 24px;
  background: #f8fafc;
  border: 1px dashed #e5e7eb;
  border-radius: 12px;
  padding: 16px;
}

.api-list {
  margin: 8px 0 16px;
  padding-left: 18px;
}

.code-block {
  background: #0b1021;
  color: #e5e7eb;
  padding: 12px;
  border-radius: 8px;
  overflow-x: auto;
}

/* Footer */
.site-footer {
  border-top: 1px solid #e5e7eb;
  background: #ffffff;
}

.footer-inner {
  padding: 16px 0;
  text-align: center;
  color: #6b7280;
}

/* Layout: sticky footer */
body { display: flex; min-height: 100vh; flex-direction: column; }
main { flex: 1 0 auto; }
.site-footer { flex-shrink: 0; }