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

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

:root {
  --bg: #f5f5f7;
  --fg: #151820;
  --card: #ffffff;
  --primary: #10b981;
  --primary-fg: #ffffff;
  --muted: #6b7280;
  --border: #e2e5eb;
  --hero-bg: linear-gradient(135deg, #151820 0%, #1e2a3a 50%, #153030 100%);
  --radius: 0.75rem;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 { font-family: 'Orbitron', sans-serif; }

a { color: inherit; text-decoration: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 1rem; }

/* Header */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.85); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header .container {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 1rem; padding-bottom: 1rem;
}
.header .logo { font-family: 'Orbitron', sans-serif; font-size: 1.25rem; font-weight: 700; color: var(--primary); letter-spacing: 0.05em; }
.header nav { display: flex; gap: 1.5rem; }
.header nav a { font-size: 0.875rem; font-weight: 500; color: var(--muted); transition: color 0.2s; }
.header nav a:hover { color: var(--primary); }

/* Hero */
.hero {
  background: var(--hero-bg); padding: 5rem 1rem; text-align: center;
}
.hero h1 { font-size: 2.5rem; color: var(--primary-fg); margin-bottom: 1rem; letter-spacing: 0.05em; }
.hero p { color: rgba(255,255,255,0.7); max-width: 640px; margin: 0 auto 2rem; font-size: 1.125rem; }
.btn-primary {
  display: inline-block; background: var(--primary); color: var(--primary-fg);
  font-family: 'Orbitron', sans-serif; font-size: 0.875rem; font-weight: 600;
  padding: 0.75rem 2rem; border-radius: var(--radius); transition: opacity 0.2s; border: none; cursor: pointer;
}
.btn-primary:hover { opacity: 0.9; }

/* Categories */
.categories { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; margin-top: -1.5rem; position: relative; z-index: 1; }
.cat-chip {
  background: var(--card); border: 1px solid var(--border);
  padding: 0.5rem 1rem; border-radius: 9999px; font-size: 0.75rem; font-weight: 600; color: var(--muted);
  transition: all 0.2s;
}
.cat-chip:hover { color: var(--primary); border-color: var(--primary); }

/* Grid */
.grid { display: grid; gap: 1.5rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 768px) { .grid-3 { grid-template-columns: 1fr; } }

/* Card */
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; transition: all 0.3s; display: block;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 20px 40px -12px rgba(16,185,129,0.15); }
.card-thumb {
  aspect-ratio: 16/9; background: var(--bg);
  display: flex; align-items: center; justify-content: center;
}
.card-thumb span { font-family: 'Orbitron', sans-serif; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--primary); }
.card-body { padding: 1.25rem; }
.card-body h3 { font-size: 0.875rem; font-weight: 600; margin-bottom: 0.5rem; line-height: 1.4; }
.card-body p { font-size: 0.875rem; color: var(--muted); margin-bottom: 0.75rem; }
.card-meta { font-size: 0.75rem; color: var(--muted); }

/* Section */
.section { padding: 4rem 0; }
.section h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 2rem; }

/* Footer */
.footer { background: var(--card); border-top: 1px solid var(--border); margin-top: 4rem; padding: 3rem 0; }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer h3 { font-family: 'Orbitron', sans-serif; font-size: 1rem; font-weight: 700; color: var(--primary); margin-bottom: 0.75rem; }
.footer h4 { font-family: 'Orbitron', sans-serif; font-size: 0.8rem; font-weight: 600; margin-bottom: 0.75rem; }
.footer ul { list-style: none; }
.footer li { margin-bottom: 0.5rem; font-size: 0.875rem; color: var(--muted); }
.footer a:hover { color: var(--primary); }
.footer-bottom { border-top: 1px solid var(--border); margin-top: 2rem; padding-top: 1.5rem; text-align: center; font-size: 0.875rem; color: var(--muted); }

/* Legal page */
.legal { max-width: 768px; margin: 0 auto; padding: 3rem 1rem; }
.legal h1 { font-size: 2rem; margin-bottom: 0.5rem; }
.legal .updated { font-size: 0.875rem; color: var(--muted); margin-bottom: 2rem; }
.legal section { margin-bottom: 1.5rem; }
.legal h2 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.legal p, .legal li { font-size: 0.875rem; margin-bottom: 0.5rem; }
.legal ul { list-style: disc; margin-left: 1.5rem; }

/* Article */
.article { max-width: 768px; margin: 0 auto; padding: 3rem 1rem; }
.article .back { font-size: 0.875rem; color: var(--muted); display: inline-block; margin-bottom: 1.5rem; }
.article .back:hover { color: var(--primary); }
.article .tag { display: inline-block; background: rgba(16,185,129,0.1); color: var(--primary); font-size: 0.75rem; font-weight: 600; padding: 0.25rem 0.75rem; border-radius: 9999px; margin-bottom: 1rem; }
.article h1 { font-size: 2rem; margin-bottom: 1rem; line-height: 1.3; }
.article .meta { display: flex; gap: 1rem; font-size: 0.875rem; color: var(--muted); margin-bottom: 2rem; flex-wrap: wrap; }
.article .content h2 { font-size: 1.25rem; margin: 2rem 0 0.75rem; }
.article .content h3 { font-size: 1.1rem; margin: 1.5rem 0 0.5rem; }
.article .content p { margin-bottom: 0.75rem; font-size: 0.9375rem; }
.article .content ul, .article .content ol { margin-left: 1.5rem; margin-bottom: 1rem; }
.article .content li { margin-bottom: 0.25rem; font-size: 0.9375rem; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
@media (max-width: 768px) { .contact-grid { grid-template-columns: 1fr; } }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 0.25rem; }
.form-group input, .form-group textarea {
  width: 100%; padding: 0.5rem 1rem; border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 0.875rem; font-family: inherit;
  background: var(--bg); outline: none;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(16,185,129,0.2); }
.contact-info > div { display: flex; gap: 0.75rem; margin-bottom: 1.5rem; }
.contact-info h3 { font-size: 0.875rem; font-weight: 600; margin-bottom: 0.125rem; font-family: inherit; }
.contact-info p { font-size: 0.875rem; color: var(--muted); }