*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-deep:       #080d1a;
  --bg-surface:    #0f1729;
  --bg-card:       #0d1530;
  --accent-blue:   #4f6ef7;
  --accent-purple: #a855f7;
  --title-start:   #7c9fff;
  --title-mid:     #ffffff;
  --title-end:     #c084fc;
  --text-secondary:#8899cc;
  --text-muted:    #3a4a6a;
  --green:         #10b981;
}

html { scroll-behavior: smooth; }

body {
  background: linear-gradient(135deg, #080d1a, #0f1729);
  font-family: 'Inter', 'Segoe UI', sans-serif;
  color: #ffffff;
  min-height: 100vh;
  position: relative;
}

/* Top bar */
.top-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #4f6ef7, #a855f7);
  z-index: 100;
  pointer-events: none;
}

/* Glow blobs */
.glow-left {
  position: fixed;
  top: 10%; left: -10%;
  width: 500px; height: 400px;
  background: radial-gradient(ellipse, rgba(79,110,247,0.15) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.glow-right {
  position: fixed;
  bottom: 10%; right: -10%;
  width: 450px; height: 380px;
  background: radial-gradient(ellipse, rgba(168,85,247,0.12) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* Hex & circuit decorations */
.deco { position: fixed; pointer-events: none; z-index: 0; }

/* Layout */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Home header */
header {
  text-align: center;
  padding: 48px 0 32px;
}

.badge-ai {
  display: inline-flex;
  align-items: center;
  padding: 5px 18px;
  border-radius: 20px;
  border: 1px solid rgba(79,110,247,0.6);
  background: rgba(79,110,247,0.08);
  color: #a0b4ff;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  margin-bottom: 28px;
}

h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  background: linear-gradient(90deg, #7c9fff, #ffffff, #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: 32px;
}

.banner {
  margin-bottom: 24px;
  border-radius: 12px;
  overflow: hidden;
}

.banner img {
  display: block;
  width: 100%;
  height: auto;
}

/* Diagramas ilustrados */
.diagram {
  margin: 24px 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(79,110,247,0.15);
  background: rgba(13,21,48,0.4);
}
.diagram:first-of-type { margin-top: 0; }
.diagram:last-of-type { margin-bottom: 0; }
.diagram img {
  display: block;
  width: 100%;
  height: auto;
}
.diagram figcaption {
  padding: 10px 14px;
  background: rgba(79,110,247,0.06);
  color: #8899cc;
  font-size: 0.85rem;
  text-align: center;
  border-top: 1px solid rgba(79,110,247,0.1);
}

/* Shields */
.shields {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  align-items: center;
}
.shields img {
  display: block;
  height: 20px;
}

/* Page header (compact, for content pages) */
.page-header {
  text-align: center;
  padding: 48px 0 0;
}
.page-header .site-name {
  display: inline-block;
  color: #8899cc;
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
  padding: 4px 12px;
  border: 1px solid rgba(79,110,247,0.3);
  border-radius: 6px;
  transition: color 0.2s, border-color 0.2s;
}
.page-header .site-name:hover { color: #7c9fff; border-color: rgba(79,110,247,0.6); }


/* Site navigation */
.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  justify-content: center;
  padding: 16px 0;
  border-bottom: 1px solid rgba(79,110,247,0.15);
  margin-bottom: 40px;
}
.site-nav a {
  color: #8899cc;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}
.site-nav a:hover {
  color: #7c9fff;
  background: rgba(79,110,247,0.08);
}
.site-nav a.active {
  color: #7c9fff;
  background: rgba(79,110,247,0.1);
}

/* Main content */
main { padding-bottom: 80px; }

section {
  margin-bottom: 32px;
}

.card {
  background: rgba(13,21,48,0.6);
  border: 1px solid rgba(79,110,247,0.15);
  border-radius: 12px;
  padding: 32px;
  overflow: hidden;
}

h2 {
  color: #7c9fff;
  font-size: 1.35rem;
  font-weight: 700;
  border-bottom: 1px solid rgba(79,110,247,0.3);
  padding-bottom: 8px;
  margin-bottom: 24px;
}

p { color: #c0cff0; line-height: 1.7; margin-bottom: 16px; }
p:last-child { margin-bottom: 0; }

/* Markdown headings within cards */
.card h3 {
  color: #c0cff0;
  font-size: 1rem;
  font-weight: 600;
  margin: 24px 0 10px;
}
.card h3:first-child { margin-top: 0; }
.card h4 {
  color: #8899cc;
  font-size: 0.9rem;
  font-weight: 600;
  margin: 16px 0 8px;
}

/* Markdown lists within cards */
.card ul, .card ol {
  margin: 16px 0;
  padding-left: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.card ul li, .card ol li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: #c0cff0;
  font-size: 0.95rem;
  line-height: 1.7;
  padding-left: 0;
}
.card ul li::before {
  content: '\25B9';
  color: #4f6ef7;
  font-size: 1rem;
  flex-shrink: 0;
}
.card ol {
  counter-reset: ol-counter;
}
.card ol li {
  counter-increment: ol-counter;
}
.card ol li::before {
  content: counter(ol-counter) ".";
  color: #4f6ef7;
  font-weight: 600;
  font-size: 0.85rem;
  flex-shrink: 0;
  min-width: 20px;
}
.card ul li a, .card ol li a { color: #7c9fff; text-decoration: none; }
.card ul li a:hover, .card ol li a:hover { text-decoration: underline; }

/* Blockquotes as notes */
.card blockquote {
  background: rgba(79,110,247,0.07);
  border-left: 3px solid rgba(79,110,247,0.4);
  border-radius: 0 6px 6px 0;
  padding: 10px 14px;
  margin: 16px 0;
  font-size: 0.85rem;
  color: #8899cc;
}
.card blockquote p { color: #8899cc; font-size: 0.85rem; margin-bottom: 6px; }
.card blockquote p:last-child { margin-bottom: 0; }
.card blockquote strong { color: #a0b4ff; }

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
th {
  color: #4f6ef7;
  font-weight: 600;
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(79,110,247,0.25);
}
td {
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  color: #c0cff0;
  vertical-align: top;
}
tr:last-child td { border-bottom: none; }
td strong { color: #ffffff; }
td code {
  background: rgba(79,110,247,0.12);
  border: 1px solid rgba(79,110,247,0.2);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 0.85em;
  color: #a0c0ff;
  font-family: 'Consolas', 'Monaco', monospace;
}

/* Code blocks */
.code-block {
  position: relative;
  min-width: 0;
  max-width: 100%;
  margin: 16px 0;
}
.code-block:last-child { margin-bottom: 0; }
.code-block:has(.copy-btn) pre { padding-top: 40px; }

pre {
  background: #0a1020;
  border: 1px solid rgba(79,110,247,0.25);
  border-radius: 8px;
  padding: 16px;
  color: #c0cff0;
  overflow-x: auto;
  max-width: 100%;
  font-size: 0.85rem;
  line-height: 1.6;
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
}

code {
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  font-size: 0.9em;
  color: #a0c0ff;
  background: rgba(79,110,247,0.1);
  border-radius: 3px;
  padding: 1px 5px;
}
pre code {
  background: none;
  padding: 0;
  color: #c0cff0;
  font-size: inherit;
}
/* Override any Chroma highlight classes to keep consistent coloring */
pre code span { color: inherit; }

.copy-btn {
  background: rgba(79,110,247,0.15);
  border: 1px solid rgba(79,110,247,0.3);
  color: #7c9fff;
  border-radius: 6px;
  position: absolute;
  top: 8px; right: 8px;
  padding: 4px 10px;
  font-size: 11px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  font-family: 'Inter', sans-serif;
}
.copy-btn:hover { background: rgba(79,110,247,0.3); color: #fff; }
.copy-btn.copied { background: rgba(16,185,129,0.2); border-color: rgba(16,185,129,0.4); color: #34d399; }

/* Steps */
.step {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-start;
}
.step:last-child { margin-bottom: 0; }
.step-num {
  width: 28px; height: 28px; min-width: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4f6ef7, #a855f7);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 700; color: #fff;
  margin-top: 2px;
}
.step-body {
  min-width: 0;
  flex: 1;
}
.step-body h3 {
  color: #c0cff0;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 10px;
  margin-top: 0;
}
.step-body p {
  font-size: 0.9rem;
  color: #8899cc;
  margin-bottom: 8px;
}
.step-body strong { color: #a0b4ff; }

/* Rules list */
.rules-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.rule-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 16px;
  background: rgba(79,110,247,0.05);
  border: 1px solid rgba(79,110,247,0.12);
  border-radius: 8px;
}
.rule-icon { font-size: 1rem; min-width: 24px; }
.rule-text strong { color: #c0cff0; display: block; margin-bottom: 2px; font-size: 0.9rem; }
.rule-text span, .rule-text p { color: #8899cc; font-size: 0.85rem; margin-bottom: 0; }

/* Contrib section */
.contrib-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 600px) { .contrib-grid { grid-template-columns: 1fr; } }

.contrib-card {
  background: rgba(79,110,247,0.06);
  border: 1px solid rgba(79,110,247,0.15);
  border-radius: 8px;
  padding: 20px;
}
.contrib-card h3 { color: #7c9fff; font-size: 0.95rem; margin-bottom: 8px; margin-top: 0; }
.contrib-card p  { font-size: 0.88rem; color: #8899cc; margin-bottom: 0; }

/* Links */
a { color: #7c9fff; }

/* Footer */
footer {
  text-align: center;
  padding: 32px 0 40px;
  color: #3a4a6a;
  font-size: 0.9rem;
  position: relative;
  z-index: 1;
}
footer a { color: #8899cc; text-decoration: none; }
footer a:hover { color: #c084fc; }

/* Banner carousel */
.banner-carousel {
  position: relative;
  width: 100%;
  aspect-ratio: 3392 / 1248;
  overflow: hidden;
}

.banner-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  transition: opacity 5s ease-in-out;
  pointer-events: none;
}

.banner-slide.active {
  opacity: 1;
  pointer-events: auto;
}

/* Compact banner carousel (50% visible height, image vertically centered) */
.banner-compact {
  position: relative;
}

.banner-compact .banner-carousel {
  aspect-ratio: 3392 / 624;
}

.banner-compact .banner-slide {
  top: 50%;
  transform: translateY(-50%);
}


/* Responsive */
@media (max-width: 600px) {
  .card { padding: 20px; }
  header { padding: 60px 0 36px; }
  .page-header { padding: 50px 0 0; }
  .doc-links { grid-template-columns: repeat(2, 1fr); }
}