/* AIREVOLT BLOG - Dark Cyber Theme */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #050510;
  --bg2: #0a0a1a;
  --card: #0d0d20;
  --border: #1a1a35;
  --green: #00ff88;
  --blue: #00aaff;
  --purple: #8855ff;
  --text: #e0e0f0;
  --muted: #6060a0;
  --accent: #00ff88;
}

body {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
}

/* HEADER */
header {
  background: rgba(5,5,16,0.95);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--green), var(--blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
}

.logo span { color: var(--muted); font-weight: 300; }

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 24px;
  font-size: 0.9rem;
  transition: color 0.2s;
}
nav a:hover { color: var(--green); }

/* HERO */
.hero {
  text-align: center;
  padding: 80px 24px 60px;
  background: radial-gradient(ellipse at 50% 0%, rgba(0,255,136,0.06) 0%, transparent 70%);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -1px;
  background: linear-gradient(135deg, #fff 30%, var(--green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
}

.hero p {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* TAG / BADGE */
.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 20px;
  margin-right: 6px;
  margin-bottom: 6px;
}

.badge-green { background: rgba(0,255,136,0.12); color: var(--green); border: 1px solid rgba(0,255,136,0.3); }
.badge-blue  { background: rgba(0,170,255,0.12); color: var(--blue);  border: 1px solid rgba(0,170,255,0.3); }
.badge-purple{ background: rgba(136,85,255,0.12); color: var(--purple);border: 1px solid rgba(136,85,255,0.3);}

/* GRID */
.grid-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

.section-label {
  font-size: 0.8rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 32px;
  border-left: 3px solid var(--green);
  padding-left: 12px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

/* CARD */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,255,136,0.3);
  box-shadow: 0 8px 32px rgba(0,255,136,0.08);
}

.card-num {
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 700;
  letter-spacing: 1px;
}

.card h2 {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.4;
  color: #fff;
}

.card p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.6;
  flex: 1;
}

.card-meta {
  font-size: 0.78rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 12px;
}

.card-meta span::before { content: "•"; margin-right: 4px; opacity: 0.5; }
.card-meta span:first-child::before { content: ""; margin-right: 0; }

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--green);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: gap 0.2s;
}
.read-more:hover { gap: 10px; }
.read-more::after { content: "→"; }

/* ARTICLE PAGE */
.article-container {
  max-width: 780px;
  margin: 0 auto;
  padding: 48px 24px 100px;
}

.breadcrumb {
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 32px;
}
.breadcrumb a { color: var(--green); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

.article-header { margin-bottom: 40px; }

.article-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin: 16px 0 20px;
  background: linear-gradient(135deg, #fff 40%, var(--green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  margin-top: 20px;
}

.article-body { font-size: 1.05rem; line-height: 1.85; }

.article-body h2 {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  margin: 48px 0 16px;
  padding-left: 16px;
  border-left: 3px solid var(--green);
}

.article-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--green);
  margin: 32px 0 12px;
}

.article-body p { margin-bottom: 20px; color: #c0c0d8; }

.article-body ul, .article-body ol {
  margin: 16px 0 24px 24px;
  color: #c0c0d8;
}
.article-body li { margin-bottom: 8px; }

.article-body strong { color: #fff; }

.article-body .highlight {
  background: rgba(0,255,136,0.06);
  border: 1px solid rgba(0,255,136,0.2);
  border-left: 4px solid var(--green);
  border-radius: 8px;
  padding: 20px 24px;
  margin: 32px 0;
  font-style: italic;
  color: var(--text);
}

.ca-box {
  background: var(--card);
  border: 1px solid rgba(0,255,136,0.3);
  border-radius: 12px;
  padding: 20px 24px;
  margin: 40px 0;
  font-family: monospace;
  font-size: 0.85rem;
}
.ca-box .ca-label { color: var(--muted); margin-bottom: 6px; font-size: 0.75rem; letter-spacing: 1px; text-transform: uppercase; }
.ca-box .ca-value { color: var(--green); word-break: break-all; }

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  border: 1px solid var(--border);
  padding: 10px 20px;
  border-radius: 8px;
  margin-top: 48px;
  transition: all 0.2s;
}
.back-btn:hover { border-color: var(--green); color: var(--green); }
.back-btn::before { content: "←"; }

/* FOOTER */
footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 40px 24px;
  text-align: center;
}
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-links { display: flex; justify-content: center; gap: 32px; flex-wrap: wrap; margin-bottom: 20px; }
.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--green); }
.footer-copy { color: var(--muted); font-size: 0.8rem; }
.footer-ca { color: var(--green); font-family: monospace; font-size: 0.78rem; margin-top: 8px; opacity: 0.7; }

/* RESPONSIVE */
@media (max-width: 600px) {
  .grid { grid-template-columns: 1fr; }
  .header-inner { flex-direction: column; gap: 12px; }
  nav { display: flex; flex-wrap: wrap; justify-content: center; }
  nav a { margin: 0 8px; }
}