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

:root {
  --primary: #3b8fd4;
  --primary-dim: #1f5a8a;
  --primary-glow: rgba(59, 143, 212, 0.15);
  --teal: #2ab8a0;
  --teal-dim: #1a7a6e;
  --green: #4caf7a;
  --orange: #d4712a;
  --orange-dim: #8a4a1a;
  --orange-glow: rgba(212, 113, 42, 0.15);
  --bg-deepest: #080c12;
  --bg-dark: #0c1220;
  --bg-card: #101828;
  --bg-card-hover: #152030;
  --border: rgba(59, 143, 212, 0.22);
  --border-dim: rgba(255,255,255,0.06);
  --text-primary: #dde8f0;
  --text-secondary: #7a8fa8;
  --text-muted: #3a4a5a;
  --accent-blue: #4a9eff;
  --accent-red: #d94f4f;
  --accent-green: #4caf7a;
  --radius: 6px;
  --radius-lg: 10px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-deepest);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.7;
  min-height: 100vh;
}

/* ── BACKGROUND TEXTURE ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(59,143,212,0.06) 0%, transparent 70%),
    repeating-linear-gradient(0deg, transparent, transparent 79px, rgba(255,255,255,0.015) 79px, rgba(255,255,255,0.015) 80px),
    repeating-linear-gradient(90deg, transparent, transparent 79px, rgba(255,255,255,0.015) 79px, rgba(255,255,255,0.015) 80px);
  pointer-events: none;
  z-index: 0;
}

/* ── NAV ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,15,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  gap: 2rem;
}

.nav-logo {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

.nav-logo span {
  color: var(--text-secondary);
  font-weight: 400;
  font-size: 0.85rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  flex-wrap: wrap;
}

.nav-links a {
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius);
  transition: color 0.2s, background 0.2s;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--primary);
  background: var(--primary-glow);
}

.nav-translate {
  margin-left: auto;
}

/* ── GOOGLE TRANSLATE ── */
#google_translate_element {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
}

.goog-te-gadget-simple {
  background: var(--bg-card) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
  padding: 4px 10px !important;
  color: var(--text-secondary) !important;
}

.goog-te-gadget-simple span, .goog-te-gadget-simple a {
  color: var(--text-secondary) !important;
}

/* ── PAGE WRAPPER ── */
.page {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 2rem 6rem;
}

/* ── HERO ── */
.hero {
  text-align: center;
  padding: 5rem 0 4rem;
}

.hero-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary-dim);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-family: 'Rajdhani', sans-serif;
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.hero h1 em {
  font-style: normal;
  color: var(--primary);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 2.5rem;
}

/* ── SECTION HEADER ── */
.section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.section-header h2 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-primary);
}

.section-line {
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── CARDS GRID ── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1px;
  background: var(--border-dim);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 3rem;
}

.guide-card {
  background: var(--bg-card);
  padding: 1.5rem;
  text-decoration: none;
  display: block;
  transition: background 0.2s;
  position: relative;
}

.guide-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 100%;
  background: var(--primary);
  opacity: 0;
  transition: opacity 0.2s;
}

.guide-card:hover {
  background: var(--bg-card-hover);
}

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

.guide-card-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary-dim);
  margin-bottom: 0.6rem;
}

.guide-card h3 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}

.guide-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.guide-card-arrow {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  color: var(--text-muted);
  font-size: 1rem;
  transition: color 0.2s, transform 0.2s;
}

.guide-card:hover .guide-card-arrow {
  color: var(--primary);
  transform: translateX(3px);
}

/* ── BADGE ── */
.badge {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 3px;
  font-weight: 500;
}

.badge-new { background: rgba(74,158,255,0.12); color: var(--accent-blue); border: 1px solid rgba(74,158,255,0.25); }
.badge-updated { background: rgba(212,113,42,0.12); color: var(--orange); border: 1px solid rgba(212,113,42,0.35); color: var(--orange); }
.badge-warning { background: rgba(217,79,79,0.12); color: var(--accent-red); border: 1px solid rgba(217,79,79,0.25); }

/* ── GUIDE PAGE ── */
.guide-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 2rem;
  margin-bottom: 2.5rem;
}

.guide-breadcrumb {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.guide-breadcrumb a { color: var(--primary-dim); text-decoration: none; }
.guide-breadcrumb a:hover { color: var(--primary); }

.guide-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.guide-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}

/* ── GUIDE LAYOUT ── */
.guide-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 3rem;
  align-items: start;
}

/* ── TOC ── */
.toc {
  position: sticky;
  top: 80px;
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.toc-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--primary-dim);
  margin-bottom: 1rem;
}

.toc ul { list-style: none; }

.toc ul li { margin-bottom: 0.1rem; }

.toc ul li a {
  font-size: 0.82rem;
  color: var(--text-secondary);
  text-decoration: none;
  display: block;
  padding: 0.3rem 0.5rem;
  border-radius: var(--radius);
  transition: color 0.15s, background 0.15s;
  line-height: 1.4;
}

.toc ul li a:hover {
  color: var(--primary);
  background: var(--primary-glow);
}

.toc ul li.sub a {
  padding-left: 1.25rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ── GUIDE CONTENT ── */
.guide-content h2 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.03em;
  margin: 2.5rem 0 1rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border-dim);
}

.guide-content h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }

.guide-content h3 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.04em;
  margin: 1.75rem 0 0.6rem;
}

.guide-content p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.guide-content ul, .guide-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.guide-content li { margin-bottom: 0.4rem; }

.guide-content strong { color: var(--text-primary); font-weight: 500; }

/* ── CALLOUT BOXES ── */
.callout {
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin: 1.25rem 0;
  font-size: 0.9rem;
  border-left: 3px solid;
}

.callout-title {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.callout-tip { background: rgba(76,175,122,0.08); border-color: var(--accent-green); color: var(--text-secondary); }
.callout-tip .callout-title { color: var(--accent-green); }

.callout-warning { background: rgba(217,79,79,0.08); border-color: var(--accent-red); color: var(--text-secondary); }
.callout-warning .callout-title { color: var(--accent-red); }

.callout-info { background: rgba(74,158,255,0.08); border-color: var(--accent-blue); color: var(--text-secondary); }
.callout-info .callout-title { color: var(--accent-blue); }

.callout-blue { background: var(--primary-glow); border-color: var(--primary); color: var(--text-secondary); }
.callout-teal { background: rgba(42,184,160,0.08); border-color: var(--teal); color: var(--text-secondary); }
.callout-teal .callout-title { color: var(--teal); }
.callout-orange { background: var(--orange-glow); border-color: var(--orange); color: var(--text-secondary); }
.callout-orange .callout-title { color: var(--orange); }
.callout-blue .callout-title { color: var(--primary); }

/* ── TABLE ── */
.guide-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.875rem;
}

.guide-content th {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-align: left;
  padding: 0.6rem 1rem;
  background: var(--bg-card);
  color: var(--primary);
  border-bottom: 1px solid var(--border);
}

.guide-content td {
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--border-dim);
  color: var(--text-secondary);
}

.guide-content tr:hover td { background: var(--bg-card); }

/* ── FOOTER ── */
footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border-dim);
  padding: 2rem;
  text-align: center;
}

footer p {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .guide-layout { grid-template-columns: 1fr; }
  .toc { position: static; }
  nav { padding: 0 1rem; }
  .page { padding: 2rem 1rem 4rem; }
}