:root {
  --bg: #0f172a;
  --surface: #1e293b;
  --text: #e2e8f0;
  --text-secondary: #94a3b8;
  --accent: #22d3ee;
  --accent-2: #34d399;
  --border: #334155;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

/* Header */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo { display: flex; align-items: center; gap: 0.75rem; }
.logo-icon { font-size: 1.75rem; }
.logo-text h1 { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.02em; }
.logo-text h1 a { color: var(--text); }
.logo-text h1 a:hover { text-decoration: none; color: var(--accent); }
.tagline { font-size: 0.8rem; color: var(--text-secondary); }
.lang-nav { display: flex; gap: 0.5rem; }
.lang-nav a {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
}
.lang-nav a:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.lang-nav a.active { background: var(--accent); color: var(--bg); border-color: var(--accent); }

/* Main */
main { padding: 2.5rem 0 4rem; }

/* Hero */
.hero {
  text-align: center;
  padding: 3.5rem 1rem 3rem;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
  border: 1px solid var(--border);
  border-radius: 1rem;
  margin-bottom: 2.5rem;
}
.hero-icon { font-size: 3rem; margin-bottom: 1rem; }
.hero h2 {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p { font-size: 1.1rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto 2rem; }
.cta-group { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.6rem;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform .1s ease, box-shadow .2s ease;
  border: none;
  cursor: pointer;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary { background: var(--accent); color: var(--bg); }
.btn-primary:hover { box-shadow: 0 4px 20px rgba(34,211,238,0.35); }
.btn-secondary { background: var(--accent-2); color: var(--bg); }
.btn-secondary:hover { box-shadow: 0 4px 20px rgba(52,211,153,0.35); }

/* Sections */
section { margin-bottom: 2.5rem; }
.section-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

/* Cards grid */
.brand-grid, .symptom-grid, .link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem;
}
.brand-card, .symptom-card, .link-list a {
  display: flex; align-items: center; justify-content: center;
  padding: 1rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
  text-align: center;
  transition: border-color .2s, box-shadow .2s, transform .1s;
}
.brand-card:hover, .symptom-card:hover, .link-list a:hover {
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(34,211,238,0.12);
  transform: translateY(-2px);
  text-decoration: none;
  color: var(--accent);
}
.link-list { list-style: none; margin: 1rem 0; }
.link-list li { margin-bottom: 0.5rem; }

/* Page */
.page-header { margin-bottom: 2rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--border); }
.page-header h1 { font-size: 2rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 0.5rem; }
.page-header p { font-size: 1.05rem; color: var(--text-secondary); }
.content { max-width: 800px; }
.content h2 {
  font-size: 1.4rem; font-weight: 700; margin: 2rem 0 0.75rem;
  padding-bottom: 0.4rem; border-bottom: 1px solid var(--border);
}
.content h3 { font-size: 1.15rem; font-weight: 600; margin: 1.5rem 0 0.5rem; color: var(--accent); }
.content p { margin-bottom: 1rem; color: #cbd5e1; }
.content ul, .content ol { margin: 1rem 0 1rem 1.5rem; }
.content li { margin-bottom: 0.6rem; color: #cbd5e1; }
.steps {
  background: var(--surface);
  padding: 1.25rem 1.5rem;
  border-radius: 0.6rem;
  border: 1px solid var(--border);
  margin: 1rem 0;
}
.related {
  margin-top: 3rem; padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.related h3 { color: var(--accent); font-size: 1rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.75rem; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* Utility */
.badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: rgba(34,211,238,0.12);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (max-width: 640px) {
  .hero h2 { font-size: 1.6rem; }
  .page-header h1 { font-size: 1.5rem; }
  .brand-grid, .symptom-grid, .link-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
}

/* TL;DR */
.tldr {
  background: linear-gradient(135deg, rgba(34,211,238,0.08), rgba(52,211,153,0.08));
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  padding: 1.25rem 1.5rem;
  border-radius: 0.6rem;
  margin-bottom: 2rem;
}
.tldr h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.tldr p {
  color: #e2e8f0;
  font-size: 1.05rem;
  line-height: 1.6;
  margin: 0;
}

/* Data tables */
.table-wrapper { overflow-x: auto; margin: 1.5rem 0; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 0.75rem 1rem; text-align: left; border-bottom: 1px solid var(--border); }
.data-table th { font-weight: 600; color: var(--text-secondary); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; }
.data-table tbody tr:hover { background: rgba(255,255,255,0.02); }
.status-ok { color: #34d399; font-weight: 600; font-size: 0.85rem; }

/* Brand images */
.brand-hero-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 0.6rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border);
}
.page-header .brand-icon {
  float: right;
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 0.6rem;
  margin-left: 1.5rem;
  margin-bottom: 0.5rem;
  border: 2px solid var(--border);
}
@media (max-width: 640px) {
  .page-header .brand-icon { float: none; display: block; margin: 0 auto 1rem; }
}

/* Responsive brand images - fix for performance and cropping */
.brand-hero-img {
  width: 100%;
  height: auto;
  max-height: 400px;
  object-fit: contain;
  object-position: center;
  border-radius: 0.6rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border);
  background: var(--surface);
}

.page-header .brand-icon {
  float: right;
  width: 120px;
  height: 120px;
  object-fit: contain;
  object-position: center;
  border-radius: 0.6rem;
  margin-left: 1.5rem;
  margin-bottom: 0.5rem;
  border: 2px solid var(--border);
  background: var(--surface);
}

@media (max-width: 768px) {
  .page-header .brand-icon {
    float: none;
    display: block;
    margin: 0 auto 1rem;
    width: 100px;
    height: 100px;
  }
  
  .brand-hero-img {
    max-height: 250px;
  }
}

@media (max-width: 480px) {
  .page-header .brand-icon {
    width: 80px;
    height: 80px;
  }
  
  .brand-hero-img {
    max-height: 200px;
  }
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}
.breadcrumbs a {
  color: var(--text-secondary);
  text-decoration: none;
}
.breadcrumbs a:hover {
  color: var(--accent);
  text-decoration: underline;
}
.breadcrumbs .sep {
  color: var(--border);
  user-select: none;
}
.breadcrumbs .current {
  color: var(--text);
  font-weight: 500;
}

/* Performance: reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* Smooth scroll */
html { scroll-behavior: smooth; }

/* Focus styles */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* FAQ accordion */
.faq {
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  margin: 2rem 0;
  overflow: hidden;
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item:last-child {
  border-bottom: none;
}
.faq-question {
  width: 100%;
  background: var(--surface);
  color: var(--text);
  border: none;
  padding: 1rem 1.25rem;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: background 0.2s;
}
.faq-question:hover {
  background: rgba(34,211,238,0.05);
}
.faq-question[aria-expanded="true"] {
  color: var(--accent);
}
.faq-icon {
  font-size: 1.25rem;
  transition: transform 0.2s;
  flex-shrink: 0;
}
.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 1.25rem;
  background: var(--bg);
}
.faq-answer.open {
  max-height: 500px;
  padding: 1rem 1.25rem;
}
.faq-answer p {
  margin: 0;
  color: #cbd5e1;
  line-height: 1.6;
}
.faq-answer ul {
  margin: 0.5rem 0 0 1.25rem;
  color: #cbd5e1;
}
.faq-answer li {
  margin-bottom: 0.4rem;
}

/* Site search */
.site-search {
  position: relative;
  width: 100%;
  max-width: 420px;
}
.site-search-input {
  width: 100%;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.site-search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(34,211,238,0.15);
}
.search-results {
  display: none;
  position: absolute;
  top: calc(100% + 0.4rem);
  left: 0;
  right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
  max-height: 420px;
  overflow-y: auto;
  z-index: 100;
}
.search-results[open="true"] {
  display: block;
}
.search-result-item {
  display: block;
  padding: 0.85rem 1rem;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  transition: background .15s;
}
.search-result-item:last-child {
  border-bottom: none;
}
.search-result-item:hover {
  background: rgba(34,211,238,0.06);
  text-decoration: none;
}
.search-result-title {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}
.search-result-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}
.search-result-url {
  opacity: 0.9;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.search-lang-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: rgba(34,211,238,0.12);
  color: var(--accent);
  border: 1px solid rgba(34,211,238,0.25);
}
.search-result-excerpt {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
  line-height: 1.4;
}
.search-no-results {
  padding: 1rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  text-align: center;
}
.search-hint {
  padding: 0.75rem 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.search-results mark {
  background: rgba(34,211,238,0.25);
  color: var(--text);
  border-radius: 2px;
  padding: 0 2px;
}
@media (max-width: 640px) {
  .site-search {
    max-width: 100%;
    order: 3;
  }
}