@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  /* Colors - Fantasy RPG Dark Theme */
  --bg: #0a0e1a;
  --bg-surface: rgba(16, 22, 38, 0.75);
  --bg-subtle: #060a14;
  --border: rgba(200, 170, 80, 0.15);
  --border-muted: rgba(200, 170, 80, 0.08);

  --fg: #c9cfe0;
  --fg-muted: #8892a6;
  --fg-subtle: #5a6478;

  --accent: #c8aa50;
  --accent-bright: #ffd966;
  --accent-muted: rgba(200, 170, 80, 0.12);
  --accent-glow: rgba(200, 170, 80, 0.25);
  --secondary: #2ecc71;
  --secondary-muted: rgba(46, 204, 113, 0.12);
  --success: #2ecc71;
  --warning: #e6a817;
  --danger: #e04040;

  --code-bg: #0c1020;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-display: 'Cinzel', 'Georgia', 'Times New Roman', serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;

  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(200, 170, 80, 0.06);
  --shadow-glow: 0 0 30px rgba(200, 170, 80, 0.15), 0 0 60px rgba(200, 170, 80, 0.05);
  --shadow-btn: 0 2px 12px rgba(200, 170, 80, 0.2);
}

/* ─── Keyframes ────────────────────────────────────────── */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 20px rgba(200, 170, 80, 0.1); }
  50% { box-shadow: 0 0 40px rgba(200, 170, 80, 0.25); }
}

@keyframes borderGlow {
  0%, 100% { border-color: rgba(200, 170, 80, 0.15); }
  50% { border-color: rgba(200, 170, 80, 0.35); }
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--fg);
  background-color: var(--bg);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(200, 170, 80, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(46, 204, 113, 0.03) 0%, transparent 50%),
    var(--bg);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--accent-bright);
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

::selection {
  background: rgba(200, 170, 80, 0.3);
  color: #fff;
}

/* ─── Typography ───────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: #eee8d5;
  font-weight: 600;
  line-height: 1.25;
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
  letter-spacing: 0.02em;
}

h1 { font-size: 2.5rem; }
h2 {
  font-size: 1.6rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: var(--space-3);
}
h3 { font-size: 1.25rem; }

p { margin-bottom: var(--space-4); }

/* ─── Layout ───────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

/* ─── Navbar ───────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 26, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  height: 64px;
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.navbar__logo:hover {
  text-decoration: none;
  color: var(--accent-bright);
}

.navbar__nav {
  display: flex;
  gap: var(--space-6);
}

.navbar__nav a {
  color: var(--fg-muted);
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  padding-bottom: 2px;
}

.navbar__nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-bright));
  border-radius: 2px;
  transition: width 0.3s var(--ease-out);
}

.navbar__nav a:hover::after,
.navbar__nav a.active::after {
  width: 100%;
}

.navbar__nav a:hover,
.navbar__nav a.active {
  color: var(--accent);
  text-decoration: none;
}

.navbar__cta {
  display: flex;
  gap: var(--space-3);
}

/* ─── Buttons ──────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.4rem;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-sans);
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  gap: var(--space-2);
  letter-spacing: 0.02em;
  text-decoration: none;
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent), #d4b85c);
  color: #0a0e1a;
  border-color: var(--accent);
  box-shadow: var(--shadow-btn);
}

.btn--primary:hover {
  background: linear-gradient(135deg, var(--accent-bright), #e0c460);
  color: #0a0e1a;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(200, 170, 80, 0.35);
  transform: translateY(-1px);
}

.btn--secondary {
  background: rgba(200, 170, 80, 0.08);
  color: var(--accent);
  border-color: rgba(200, 170, 80, 0.3);
}

.btn--secondary:hover {
  background: rgba(200, 170, 80, 0.15);
  border-color: var(--accent);
  color: var(--accent-bright);
  text-decoration: none;
  transform: translateY(-1px);
}

.btn--sm {
  padding: 0.35rem 0.85rem;
  font-size: 0.8rem;
}

.btn--lg {
  padding: 0.8rem 2rem;
  font-size: 1rem;
  border-radius: 8px;
}

/* ─── Hero Section ─────────────────────────────────────── */
.hero {
  padding: var(--space-24) 0 var(--space-16);
  text-align: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 100% 60% at 50% 0%, rgba(200, 170, 80, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(46, 204, 113, 0.04) 0%, transparent 50%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 50% 50%, rgba(200, 170, 80, 0.03) 0%, transparent 40%);
  animation: float 8s ease-in-out infinite;
  pointer-events: none;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800;
  margin-bottom: var(--space-6);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: linear-gradient(180deg, #ffffff 0%, #eee8d5 40%, #c8aa50 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
  z-index: 1;
}

.hero__subtitle {
  font-size: 1.2rem;
  color: var(--fg-muted);
  max-width: 720px;
  margin: 0 auto var(--space-8);
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

/* Hero with Background Image */
.hero--bg {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero--bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg,
      rgba(10, 14, 26, 0.6) 0%,
      rgba(10, 14, 26, 0.35) 40%,
      rgba(10, 14, 26, 0.7) 80%,
      rgba(10, 14, 26, 1) 100%
    );
  z-index: 0;
}

.hero--bg > * {
  position: relative;
  z-index: 1;
}

/* ─── Documentation Layout ─────────────────────────────── */
.doc-layout {
  display: grid;
  grid-template-columns: 260px 1fr 240px;
  gap: var(--space-8);
  margin-top: var(--space-8);
  align-items: start;
}

@media (max-width: 1024px) {
  .doc-layout {
    grid-template-columns: 220px 1fr;
  }
  .doc-layout__toc { display: none; }
}

@media (max-width: 768px) {
  .doc-layout {
    grid-template-columns: 1fr;
  }
  .doc-layout__sidebar { display: none; }
}

.doc-layout__sidebar {
  position: sticky;
  top: 100px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

.sidebar-nav__group {
  margin-bottom: var(--space-6);
}

.sidebar-nav__title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-3);
  font-family: var(--font-display);
}

.sidebar-nav__link {
  display: block;
  padding: var(--space-1) 0;
  font-size: 0.9rem;
  color: var(--fg-muted);
}

.sidebar-nav__link:hover, .sidebar-nav__link.active {
  color: var(--accent);
  text-decoration: none;
}

.doc-layout__content {
  min-width: 0;
}

.doc-layout__toc {
  position: sticky;
  top: 100px;
}

.toc__title {
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--accent);
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.toc__link {
  display: block;
  font-size: 0.8rem;
  color: var(--fg-muted);
  padding: var(--space-1) 0;
  border-left: 2px solid transparent;
  padding-left: var(--space-3);
}

.toc__link:hover {
  color: var(--accent);
  text-decoration: none;
}

.toc__link.active {
  color: var(--accent);
  border-left-color: var(--accent);
}

/* ─── Feature Grid ─────────────────────────────────────── */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 768px) {
  .grid--2, .grid--3 { grid-template-columns: 1fr; }
}

/* ─── Cards — Glass-morphism ───────────────────────────── */
.card {
  background: rgba(16, 22, 38, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: var(--space-6);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200, 170, 80, 0.3), transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.card:hover {
  border-color: rgba(200, 170, 80, 0.3);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 20px rgba(200, 170, 80, 0.06);
  transform: translateY(-2px);
}

.card:hover::before {
  opacity: 1;
}

.card__icon {
  font-size: 1.8rem;
  margin-bottom: var(--space-4);
  display: inline-block;
  filter: drop-shadow(0 0 8px rgba(200, 170, 80, 0.3));
}

.card__title {
  font-size: 1.1rem;
  margin-bottom: var(--space-2);
  margin-top: 0;
  font-family: var(--font-display);
  color: var(--accent);
  letter-spacing: 0.02em;
}

.card__desc {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ─── Download Card — Prominent version ────────────────── */
.download-card {
  background: rgba(16, 22, 38, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(200, 170, 80, 0.2);
  border-radius: 16px;
  padding: var(--space-8);
  transition: var(--transition-slow);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.download-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(200, 170, 80, 0.3), transparent, rgba(46, 204, 113, 0.2));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.download-card:hover {
  border-color: rgba(200, 170, 80, 0.35);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

.download-card:hover::before {
  opacity: 1;
}

.download-card__icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  display: block;
}

.download-card__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: #eee8d5;
  margin-bottom: var(--space-2);
}

.download-card__desc {
  color: var(--fg-muted);
  font-size: 0.95rem;
  margin-bottom: var(--space-6);
}

/* ─── Code Blocks ──────────────────────────────────────── */
pre {
  background: var(--code-bg);
  padding: var(--space-4);
  border-radius: 10px;
  border: 1px solid var(--border);
  overflow-x: auto;
  margin-bottom: var(--space-4);
  position: relative;
}

pre::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200, 170, 80, 0.2), transparent);
}

code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* ─── Callouts ─────────────────────────────────────────── */
.callout {
  padding: var(--space-4);
  border-radius: 10px;
  border-left: 4px solid var(--accent);
  background: var(--accent-muted);
  margin-bottom: var(--space-6);
}

.callout--warning {
  border-left-color: var(--warning);
  background: rgba(230, 168, 23, 0.08);
}

.callout--success {
  border-left-color: var(--secondary);
  background: var(--secondary-muted);
}

.callout__title {
  font-weight: 700;
  margin-bottom: var(--space-1);
  font-size: 0.9rem;
  font-family: var(--font-display);
  color: var(--accent);
  letter-spacing: 0.02em;
}

.callout--warning .callout__title {
  color: var(--warning);
}

.callout--success .callout__title {
  color: var(--secondary);
}

/* ─── Badge ────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid rgba(200, 170, 80, 0.4);
  color: var(--accent);
  background: rgba(200, 170, 80, 0.08);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-family: var(--font-sans);
  line-height: 1.4;
}

.badge--success {
  border-color: rgba(46, 204, 113, 0.4);
  color: var(--secondary);
  background: rgba(46, 204, 113, 0.08);
}

.badge--danger {
  border-color: rgba(224, 64, 64, 0.4);
  color: var(--danger);
  background: rgba(224, 64, 64, 0.08);
}

.badge--neutral {
  border-color: rgba(136, 146, 166, 0.3);
  color: var(--fg-muted);
  background: rgba(136, 146, 166, 0.08);
}

/* ─── Timeline ─────────────────────────────────────────── */
.timeline-item {
  position: relative;
  padding-left: 2rem;
  padding-bottom: var(--space-8);
  border-left: 2px solid var(--border);
}

.timeline-item:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -6px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 8px rgba(200, 170, 80, 0.3);
}

.timeline-item__date {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-1);
  text-transform: uppercase;
}

.timeline-item__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: #eee8d5;
  margin-top: 0;
  margin-bottom: var(--space-2);
}

.timeline-item__content {
  color: var(--fg-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ─── Stats ────────────────────────────────────────────── */
.stat {
  text-align: center;
  padding: var(--space-6);
}

.stat__number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-bright));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
  margin-bottom: var(--space-1);
}

.stat__label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}

/* ─── Feature Row — Alternating ────────────────────────── */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  padding: var(--space-12) 0;
}

.feature-row:nth-child(even) .feature-row__media {
  order: -1;
}

.feature-row__content {
  padding: var(--space-4);
}

.feature-row__title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: #eee8d5;
  margin-top: 0;
  margin-bottom: var(--space-4);
}

.feature-row__desc {
  color: var(--fg-muted);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.feature-row__media {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
}

.feature-row__media img {
  width: 100%;
  display: block;
}

@media (max-width: 768px) {
  .feature-row {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .feature-row:nth-child(even) .feature-row__media {
    order: 0;
  }
}

/* ─── Footer ───────────────────────────────────────────── */
.footer {
  margin-top: auto;
  padding: var(--space-12) 0;
  border-top: 1px solid var(--border);
  color: var(--fg-subtle);
  font-size: 0.85rem;
  background: rgba(6, 10, 20, 0.5);
}

.footer a {
  color: var(--fg-muted);
}

.footer a:hover {
  color: var(--accent);
}

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

.footer__brand {
  font-family: var(--font-display);
  color: var(--accent);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
}

/* ─── Stars Canvas ─────────────────────────────────────── */
#stars-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  opacity: 0.25;
}

/* ─── Animations ───────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays for grid children */
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal:nth-child(5) { transition-delay: 0.4s; }
.reveal:nth-child(6) { transition-delay: 0.5s; }

/* ─── Search bar ───────────────────────────────────────── */
.search-input {
  background: rgba(10, 14, 26, 0.8);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.4rem 0.75rem;
  color: var(--fg);
  font-size: 0.85rem;
  width: 200px;
  transition: var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: rgba(200, 170, 80, 0.4);
  box-shadow: 0 0 0 3px rgba(200, 170, 80, 0.1);
}

/* ─── Utility ──────────────────────────────────────────── */
.grad {
  background: linear-gradient(
    90deg,
    var(--accent) 0%,
    var(--accent-bright) 25%,
    var(--secondary) 50%,
    var(--accent-bright) 75%,
    var(--accent) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 4s linear infinite;
}

.mb-0 { margin-bottom: 0; }
.mt-0 { margin-top: 0; }
.text-center { text-align: center; }
.text-gold { color: var(--accent); }
.text-emerald { color: var(--secondary); }

/* Divider with ornamental feel */
.divider {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: var(--space-12) 0;
}

/* ─── Scrollbar ────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: rgba(200, 170, 80, 0.2);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(200, 170, 80, 0.35);
}

/* ─── Responsive ───────────────────────────────────────── */
@media (max-width: 768px) {
  .navbar__nav {
    display: none;
  }

  .hero {
    padding: var(--space-12) 0;
  }

  .hero__title {
    font-size: 2.4rem;
  }

  .footer__inner {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  .stat__number {
    font-size: 2rem;
  }
}