:root {
  --bg-main: #070A0F;
  --bg-sec: #0E141D;
  --card-bg: #131B26;
  --card-hover: #192330;
  --border-color: rgba(255,255,255,0.08);
  --text-primary: #F4F6F8;
  --text-secondary: #A8B1BF;
  --accent-main: #FF5C2B;
  --accent-light: #FF815A;
  --accent-dark: #D9481C;
  --success: #31C48D;
  --warning: #F6B73C;
  --error: #EF5350;
  
  --font-family: 'Inter', system-ui, sans-serif;
  --max-w: 1240px;
  --content-w: 760px;
  --sidebar-w: 320px;
  --radius: 12px;
  --radius-lg: 20px;
  --trans: 0.25s ease-in-out;
  --glow: 0 0 40px rgba(255, 92, 43, 0.15);
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --trans: 0s;
  }
}

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

body {
  font-family: var(--font-family);
  background: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-main); text-decoration: none; transition: all var(--trans); }
a:hover { color: var(--accent-light); }
a:focus-visible { outline: 2px solid var(--accent-main); outline-offset: 2px; border-radius: 4px; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(8, 11, 16, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 15px 0;
  transition: var(--trans);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-logo {
  transition: transform var(--trans);
}
.logo:hover .brand-logo {
  transform: scale(1.02);
}

.desktop-nav ul { display: flex; gap: 24px; list-style: none; align-items: center; }
.desktop-nav a { color: var(--text-secondary); font-weight: 500; font-size: 0.95rem; }
.desktop-nav a:hover { color: var(--text-primary); }

.dropdown { position: relative; }
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 0;
  min-width: 150px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu a { display: block; padding: 8px 20px; }
.dropdown-menu a:hover { background: var(--card-hover); }

.search-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1.2rem;
  padding: 5px;
}
.search-btn:hover { color: var(--text-primary); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--trans);
  font-size: 0.95rem;
  gap: 8px;
  text-align: center;
}
.btn:focus-visible {
  outline: 2px solid var(--accent-main);
  outline-offset: 2px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent-main), var(--accent-dark));
  color: #fff !important;
  box-shadow: var(--glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(255, 92, 43, 0.5);
}
.btn-secondary {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-primary) !important;
}
.btn-secondary:hover { background: var(--card-hover); border-color: var(--accent-main); }

.mobile-toggles { display: none; align-items: center; gap: 15px; }
.hamburger { background: none; border: none; color: var(--text-primary); font-size: 1.5rem; }

/* Grid Systems */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media(max-width: 900px) {
  .desktop-nav { display: none; }
  .mobile-toggles { display: flex; }
  .cta-header { display: none; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .hero-2col { flex-direction: column; text-align: center; }
  .article-layout { flex-direction: column; }
  .sidebar { display: none; }
  .brand-logo { height: 36px !important; }
}
@media(max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Typography Headings */
h1 { font-size: clamp(34px, 5vw, 56px); line-height: 1.15; margin-bottom: 24px; font-weight: 800; letter-spacing: -1px; }
h2 { font-size: clamp(30px, 4vw, 36px); margin: 40px 0 20px; line-height: 1.3; font-weight: 700; letter-spacing: -0.5px; }
h3 { font-size: clamp(21px, 3vw, 24px); margin: 30px 0 15px; font-weight: 600; }
p { font-size: 1.1rem; line-height: 1.7; margin-bottom: 24px; }
ul, ol { margin: 0 0 24px 20px; font-size: 1.1rem; line-height: 1.7; }
li { margin-bottom: 12px; }

/* Hero Section */
.hero { padding: 60px 0; overflow: hidden; position: relative; }
.hero-2col { display: flex; align-items: center; gap: 60px; }
.hero-content { flex: 1; z-index: 2; }
.hero-visual { flex: 1; position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 6px 14px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-light);
  margin-bottom: 24px;
}
.hero-desc { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 30px; max-width: 600px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
@media(max-width: 900px) {
  .hero-actions { justify-content: center; }
}

.hero-meta {
  margin-top: 40px;
  display: flex;
  gap: 24px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
}
@media(max-width: 900px) { .hero-meta { justify-content: center; flex-wrap: wrap; } }

/* Cards */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--trans);
  display: flex;
  flex-direction: column;
}
.card:hover { background: var(--card-hover); border-color: rgba(255, 100, 46, 0.3); transform: translateY(-4px); }
.card-icon { font-size: 2rem; color: var(--accent-main); margin-bottom: 16px; }
.card h3 { margin: 0 0 10px 0; font-size: 1.15rem; color: var(--text-primary); }
.card p { margin: 0; font-size: 0.95rem; color: var(--text-secondary); line-height: 1.5; }
.card-arrow { margin-top: auto; padding-top: 15px; color: var(--accent-main); font-weight: 600; font-size: 0.9rem; display: flex; align-items: center; gap: 5px; }

/* Status Block */
.status-block { background: var(--bg-sec); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 30px; margin: 40px 0; }
.status-header { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border-color); padding-bottom: 20px; margin-bottom: 20px; }
.status-header h2 { margin: 0; font-size: 1.5rem; }
.badge { display: inline-flex; padding: 5px 12px; border-radius: 6px; font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; }
.badge.success { background: rgba(49, 196, 141, 0.1); color: var(--success); border: 1px solid var(--success); }
.badge.warning { background: rgba(246, 183, 60, 0.1); color: var(--warning); border: 1px solid var(--warning); }
.badge.error { background: rgba(239, 83, 80, 0.1); color: var(--error); border: 1px solid var(--error); }
.status-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; }
.status-item { display: flex; flex-direction: column; gap: 5px; }
.status-label { font-size: 0.85rem; color: var(--text-secondary); text-transform: uppercase; font-weight: 600; }
.status-value { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); }

/* Article Layout */
.article-layout { display: flex; gap: 40px; margin-top: 40px; }
.article-content { flex: 1; max-width: var(--content-w); }
.sidebar { width: var(--sidebar-w); flex-shrink: 0; }
.sidebar-sticky { position: sticky; top: 100px; }

.article-header { margin-bottom: 40px; }
.breadcrumb { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 20px; display: flex; gap: 8px; align-items: center; }
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--text-primary); }
.article-meta { display: flex; gap: 20px; font-size: 0.9rem; color: var(--text-secondary); margin-top: 20px; align-items: center; }
.article-meta span { display: flex; align-items: center; gap: 6px; }
.author-avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--bg-sec); }

.featured-img { width: 100%; height: auto; border-radius: var(--radius-lg); margin-bottom: 40px; border: 1px solid var(--border-color); }

/* Table of contents */
.toc { background: var(--bg-sec); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 30px; margin: 40px 0; box-shadow: 0 10px 30px rgba(0,0,0,0.2); }
.toc h3 { margin: 0 0 20px 0; font-size: 1.25rem; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.toc ul { list-style: none; margin: 0; padding-left: 0; }
.toc li { margin-bottom: 12px; }
.toc a { color: var(--text-secondary); font-size: 1rem; display: flex; align-items: center; transition: all var(--trans); border-radius: 6px; padding: 4px 8px; margin-left: -8px; }
.toc a:hover { color: var(--accent-light); background: rgba(255, 255, 255, 0.03); transform: translateX(4px); }

/* Info Boxes */
.callout { padding: 24px; border-radius: var(--radius-lg); margin: 30px 0; border-left: 4px solid var(--accent-main); background: var(--card-bg); }
.callout.warning { border-left-color: var(--warning); background: rgba(246, 183, 60, 0.05); }
.callout h4 { margin-top: 0; margin-bottom: 10px; font-size: 1.1rem; }
.callout p:last-child { margin-bottom: 0; }

/* Comparison Table */
.comparison-table { width: 100%; border-collapse: collapse; margin: 30px 0; font-size: 0.95rem; }
.comparison-table th, .comparison-table td { padding: 15px; text-align: left; border-bottom: 1px solid var(--border-color); }
.comparison-table th { background: var(--bg-sec); font-weight: 600; color: var(--text-primary); }
.comparison-table tr:hover td { background: var(--card-bg); }

/* FAQ */
.faq-accordion details { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius); margin-bottom: 16px; }
.faq-accordion summary { padding: 20px; font-weight: 600; font-size: 1.1rem; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq-accordion summary::-webkit-details-marker { display: none; }
.faq-accordion summary::after { content: '+'; color: var(--accent-main); font-size: 1.5rem; font-weight: 400; transition: var(--trans); }
.faq-accordion details[open] summary::after { content: '−'; }
.faq-accordion .answer { padding: 0 20px 20px; color: var(--text-secondary); border-top: 1px solid var(--border-color); padding-top: 20px; margin-top: 10px; }

/* APK Download specific */
.apk-hero { text-align: center; padding: 60px 0; max-width: 800px; margin: 0 auto; }
.apk-icon { width: 100px; height: 100px; background: var(--bg-sec); border-radius: 24px; display: flex; align-items: center; justify-content: center; margin: 0 auto 30px; border: 1px solid var(--border-color); font-size: 3rem; }
.apk-details { display: flex; justify-content: center; gap: 30px; margin: 30px 0; flex-wrap: wrap; }
.apk-detail { background: var(--card-bg); padding: 15px 25px; border-radius: var(--radius); border: 1px solid var(--border-color); }
.download-box { background: var(--bg-sec); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 40px; margin: 40px 0; position: relative; overflow: hidden; }
.progress-ring { width: 120px; height: 120px; margin: 0 auto 20px; position: relative; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: 700; color: var(--accent-main); }
.progress-ring svg { position: absolute; top: 0; left: 0; transform: rotate(-90deg); width: 100%; height: 100%; }
.progress-ring circle { fill: transparent; stroke-width: 6; }
.progress-ring .bg { stroke: var(--card-bg); }
.progress-ring .fill { stroke: var(--accent-main); stroke-dasharray: 339.292; stroke-dashoffset: 339.292; transition: stroke-dashoffset 1s linear; }

/* Related cards */
.related-cards { margin-top: 50px; border-top: 1px solid var(--border-color); padding-top: 40px; }
.related-cards h3 { margin-top: 0; margin-bottom: 24px; }
.article-sm-card { display: flex; gap: 15px; background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius); padding: 15px; transition: var(--trans); }
.article-sm-card:hover { border-color: var(--accent-main); background: var(--card-hover); }
.article-sm-img { width: 80px; height: 80px; border-radius: 8px; object-fit: cover; background: var(--bg-sec); }
.article-sm-content { flex: 1; display: flex; flex-direction: column; justify-content: center; }
.article-sm-cat { font-size: 0.75rem; color: var(--accent-main); font-weight: 700; text-transform: uppercase; margin-bottom: 5px; }
.article-sm-title { font-size: 1rem; color: var(--text-primary); font-weight: 600; margin-bottom: 5px; line-height: 1.3; }

/* Timeline */
.timeline { position: relative; padding-left: 30px; margin: 30px 0; }
.timeline::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--border-color); }
.timeline-item { position: relative; margin-bottom: 30px; }
.timeline-item::before { content: ''; position: absolute; left: -35px; top: 5px; width: 12px; height: 12px; border-radius: 50%; background: var(--accent-main); border: 2px solid var(--bg-main); }
.timeline-date { font-weight: 700; color: var(--text-primary); margin-bottom: 5px; display: block; }
.timeline-content { background: var(--card-bg); padding: 15px 20px; border-radius: var(--radius); border: 1px solid var(--border-color); }

/* Progress bar (Reading) */
#reading-progress { position: fixed; top: 0; left: 0; height: 3px; background: var(--accent-main); width: 0%; z-index: 1001; transition: width 0.1s; }

/* Footer */
.site-footer { background: var(--bg-sec); border-top: 1px solid var(--border-color); padding: 60px 0 20px; margin-top: 80px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
@media(max-width: 900px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-about p { color: var(--text-secondary); margin-top: 20px; font-size: 0.95rem; max-width: 300px; }
.footer-col h4 { font-size: 1.1rem; margin-bottom: 20px; color: var(--text-primary); }
.footer-col ul { list-style: none; margin: 0; }
.footer-col li { margin-bottom: 12px; }
.footer-col a { color: var(--text-secondary); font-size: 0.95rem; }
.footer-col a:hover { color: var(--accent-main); }
.footer-bottom { border-top: 1px solid var(--border-color); padding-top: 20px; display: flex; justify-content: space-between; align-items: center; font-size: 0.85rem; color: var(--text-secondary); }
@media(max-width: 600px) { .footer-bottom { flex-direction: column; gap: 15px; text-align: center; } }

/* ADSTERRA MONETIZATION */
.ad-slot {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 40px auto;
  position: relative;
  min-height: 250px;
  background: rgba(0,0,0,0.2);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius);
  max-width: var(--content-w);
}
.ad-slot::before {
  content: 'Publicité';
  position: absolute;
  top: -22px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  color: var(--text-secondary);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.ad-loaded {
  background: transparent;
  border: none;
}
.ad-loaded::before {
  top: -22px;
}

/* Phone Mockup */
.phone-mockup {
  position: relative;
  width: 100%;
  max-width: 300px;
  margin: 0 auto;
  border-radius: 40px;
  background: #000;
  border: 12px solid #1c2128;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6), inset 0 0 0 2px rgba(255, 255, 255, 0.05);
  overflow: hidden;
  aspect-ratio: 9 / 19.5;
}
.phone-mockup::before {
  content: '';
  position: absolute;
  top: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 45%;
  height: 30px;
  background: #1c2128;
  border-bottom-left-radius: 18px;
  border-bottom-right-radius: 18px;
  z-index: 10;
}
.phone-mockup img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}