/* RESET */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; line-height: 1.6; color: #2c3e50; }
a { color: inherit; text-decoration: none; transition: all 0.3s ease; }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* HEADER */
.site-header { background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,0.1); position: sticky; top: 0; z-index: 1000; padding: 1rem 0; }
.header-content { display: flex; justify-content: space-between; align-items: center; }
.logo a { font-size: 1.5rem; font-weight: 700; color: #e74c3c; }
.main-nav ul { display: flex; list-style: none; gap: 2rem; }
.main-nav a { font-weight: 500; color: #2c3e50; padding: 0.5rem 0; position: relative; }
.main-nav a:hover { color: #e74c3c; }
.main-nav a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: #e74c3c; transition: width 0.3s ease; }
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }
.mobile-menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 5px; }
.mobile-menu-toggle span { width: 25px; height: 3px; background: #2c3e50; border-radius: 2px; transition: all 0.3s ease; }
.mobile-menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(7px, 7px); }
.mobile-menu-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(7px, -7px); }

/* HERO */
.hero { position: relative; min-height: 70vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: #fff; text-align: center; }
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.3); }
.hero-content { position: relative; z-index: 1; padding: 3rem 1rem; }
.hero-title { font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 800; margin-bottom: 1rem; text-shadow: 2px 2px 8px rgba(0,0,0,0.3); }
.hero-subtitle { font-size: clamp(1.25rem, 3vw, 2rem); font-weight: 300; margin-bottom: 2rem; opacity: 0.95; }
.hero-date { display: inline-block; font-size: 1.75rem; font-weight: 700; background: rgba(0,0,0,0.7); padding: 1rem 2.5rem; border-radius: 50px; box-shadow: 0 4px 20px rgba(0,0,0,0.3); }

/* PBN LINKS */
.pbn-links { padding: 3rem 0; background: #f8f9fa; text-align: center; }

/* SECTIONS */
.section { padding: 5rem 0; }
.section-alt { background: #f8f9fa; }
.section h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; color: #2c3e50; margin-bottom: 1.5rem; text-align: center; }
.section p { font-size: 1.125rem; line-height: 1.8; color: #555; max-width: 800px; margin: 0 auto 1.5rem; text-align: center; }

/* INFO GRID */
.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; margin-top: 3rem; }
.info-card { background: #fff; padding: 2.5rem; border-radius: 12px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); transition: transform 0.3s ease, box-shadow 0.3s ease; }
.info-card:hover { transform: translateY(-5px); box-shadow: 0 8px 30px rgba(0,0,0,0.12); }
.info-card h3 { font-size: 1.75rem; color: #e74c3c; margin-bottom: 1.5rem; padding-bottom: 0.75rem; border-bottom: 3px solid #e74c3c; }
.info-card h4 { font-size: 1.25rem; color: #2c3e50; margin: 1.5rem 0 0.75rem; }
.info-card p { font-size: 1rem; line-height: 1.8; color: #666; margin-bottom: 1rem; text-align: left; }
.info-card strong { color: #2c3e50; font-weight: 600; }

/* CTA */
.cta-section { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: #fff; text-align: center; }
.cta-section h2 { color: #fff; }
.cta-section p { color: rgba(255,255,255,0.95); }
.btn { display: inline-block; padding: 1rem 2.5rem; font-size: 1.125rem; font-weight: 600; border-radius: 50px; transition: all 0.3s ease; }
.btn-primary { background: #e74c3c; color: #fff; box-shadow: 0 4px 15px rgba(231, 76, 60, 0.4); }
.btn-primary:hover { background: #c0392b; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(231, 76, 60, 0.5); }

/* FOOTER */
.site-footer { background: #2c3e50; color: #ecf0f1; padding: 3rem 0 1.5rem; margin-top: 5rem; }
.footer-content { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 2rem; padding-bottom: 2rem; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-info p { font-size: 0.95rem; opacity: 0.8; }
.footer-nav ul { display: flex; list-style: none; gap: 2rem; }
.footer-nav a { font-size: 0.95rem; opacity: 0.8; }
.footer-nav a:hover { opacity: 1; }
.footer-social { display: flex; gap: 1rem; }
.footer-social a { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,0.1); border-radius: 50%; font-weight: 700; font-size: 0.875rem; transition: all 0.3s ease; }
.footer-social a:hover { background: #e74c3c; transform: scale(1.1); }

/* RESPONSIVE */
@media (max-width: 768px) {
  .main-nav { position: absolute; top: 100%; left: 0; right: 0; background: #fff; box-shadow: 0 4px 10px rgba(0,0,0,0.1); padding: 1rem 0; opacity: 0; visibility: hidden; transform: translateY(-10px); transition: all 0.3s ease; }
  .main-nav.active { opacity: 1; visibility: visible; transform: translateY(0); }
  .main-nav ul { flex-direction: column; gap: 0; }
  .main-nav li { border-bottom: 1px solid #f0f0f0; }
  .main-nav a { display: block; padding: 1rem 1.5rem; }
  .mobile-menu-toggle { display: flex; }
  .hero { min-height: 50vh; }
  .section { padding: 3rem 0; }
  .info-grid { grid-template-columns: 1fr; }
  .footer-content { flex-direction: column; text-align: center; }
  .footer-nav ul { flex-direction: column; gap: 0.75rem; }
}