* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', system-ui, -apple-system, sans-serif; line-height: 1.6; color: #1a1a2e; background: #f8f9fa; transition: background 0.3s, color 0.3s; }
body.dark-mode { background: #0f0f1a; color: #e0e0e0; }
a { color: inherit; text-decoration: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
header { background: linear-gradient(135deg, #1a1a2e, #16213e); color: #fff; padding: 15px 0; position: sticky; top: 0; z-index: 1000; backdrop-filter: blur(10px); }
header.dark-mode { background: linear-gradient(135deg, #0a0a14, #0d1117); }
.header-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; }
.logo { font-size: 1.8rem; font-weight: 700; background: linear-gradient(90deg, #f39c12, #e74c3c); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
nav ul { list-style: none; display: flex; gap: 25px; flex-wrap: wrap; }
nav a { color: #fff; font-weight: 500; transition: color 0.3s; }
nav a:hover { color: #f39c12; }
.nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; }
.hero { background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%); color: #fff; padding: 100px 0; text-align: center; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle, rgba(255,255,255,0.05) 1px, transparent 1px); background-size: 50px 50px; animation: moveBg 20s linear infinite; }
@keyframes moveBg { 0% { transform: translate(0,0); } 100% { transform: translate(50px,50px); } }
.hero h1 { font-size: 3.5rem; margin-bottom: 20px; position: relative; z-index: 1; }
.hero p { font-size: 1.3rem; max-width: 800px; margin: 0 auto 30px; position: relative; z-index: 1; }
.hero .btn { display: inline-block; padding: 15px 40px; background: linear-gradient(90deg, #f39c12, #e74c3c); color: #fff; border-radius: 50px; font-weight: 600; transition: transform 0.3s, box-shadow 0.3s; }
.hero .btn:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(243,156,18,0.4); }
.section { padding: 80px 0; }
.section-title { text-align: center; font-size: 2.5rem; margin-bottom: 50px; position: relative; }
.section-title::after { content: ''; display: block; width: 80px; height: 4px; background: linear-gradient(90deg, #f39c12, #e74c3c); margin: 15px auto 0; border-radius: 2px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 25px; }
.card { background: #fff; border-radius: 20px; padding: 30px; box-shadow: 0 10px 40px rgba(0,0,0,0.06); transition: transform 0.3s, box-shadow 0.3s; backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.2); }
.card:hover { transform: translateY(-8px); box-shadow: 0 20px 60px rgba(0,0,0,0.1); }
body.dark-mode .card { background: #1a1a2e; border-color: #2a2a3e; }
.card-icon { width: 60px; height: 60px; margin-bottom: 20px; }
.banner-slider { position: relative; overflow: hidden; border-radius: 20px; margin: 40px 0; }
.slider-track { display: flex; transition: transform 0.6s ease; }
.slider-item { min-width: 100%; padding: 60px; background: linear-gradient(135deg, #1a1a2e, #16213e); color: #fff; text-align: center; }
.slider-controls { position: absolute; top: 50%; width: 100%; display: flex; justify-content: space-between; transform: translateY(-50%); padding: 0 20px; }
.slider-btn { background: rgba(255,255,255,0.2); border: none; color: #fff; width: 50px; height: 50px; border-radius: 50%; cursor: pointer; font-size: 1.5rem; backdrop-filter: blur(5px); transition: background 0.3s; }
.slider-btn:hover { background: rgba(255,255,255,0.4); }
.stat-item { text-align: center; }
.stat-number { font-size: 3rem; font-weight: 700; background: linear-gradient(90deg, #f39c12, #e74c3c); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.stat-label { margin-top: 10px; font-size: 1.1rem; }
.faq-item { border-bottom: 1px solid #ddd; padding: 20px 0; cursor: pointer; }
body.dark-mode .faq-item { border-color: #333; }
.faq-question { display: flex; justify-content: space-between; align-items: center; font-weight: 600; font-size: 1.1rem; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; padding-top: 10px; color: #666; }
body.dark-mode .faq-answer { color: #aaa; }
.faq-item.active .faq-answer { max-height: 300px; }
.contact-info { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.footer { background: #1a1a2e; color: #ccc; padding: 60px 0 20px; }
.footer a { color: #aaa; transition: color 0.3s; }
.footer a:hover { color: #f39c12; }
.footer-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 30px; margin-bottom: 40px; }
.footer-bottom { border-top: 1px solid #333; padding-top: 20px; text-align: center; font-size: 0.9rem; }
.back-to-top { position: fixed; bottom: 30px; right: 30px; width: 50px; height: 50px; background: linear-gradient(90deg, #f39c12, #e74c3c); color: #fff; border: none; border-radius: 50%; cursor: pointer; font-size: 1.5rem; display: none; align-items: center; justify-content: center; box-shadow: 0 5px 20px rgba(0,0,0,0.3); z-index: 999; transition: transform 0.3s; }
.back-to-top:hover { transform: scale(1.1); }
.dark-mode-toggle { position: fixed; bottom: 90px; right: 30px; width: 50px; height: 50px; background: #1a1a2e; color: #fff; border: 2px solid #f39c12; border-radius: 50%; cursor: pointer; font-size: 1.5rem; display: flex; align-items: center; justify-content: center; z-index: 999; transition: background 0.3s; }
.dark-mode-toggle:hover { background: #f39c12; }
.search-sim { display: flex; max-width: 500px; margin: 20px auto; }
.search-sim input { flex: 1; padding: 12px 20px; border: 2px solid #ddd; border-radius: 50px 0 0 50px; font-size: 1rem; outline: none; }
.search-sim button { padding: 12px 25px; background: linear-gradient(90deg, #f39c12, #e74c3c); color: #fff; border: none; border-radius: 0 50px 50px 0; cursor: pointer; font-weight: 600; }
.breadcrumb { padding: 10px 0; font-size: 0.9rem; color: #888; }
.breadcrumb span { margin: 0 5px; }
.news-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 30px; }
.related-articles { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.pagination { display: flex; justify-content: center; gap: 10px; margin: 30px 0; }
.pagination a { padding: 8px 16px; border: 1px solid #ddd; border-radius: 8px; transition: background 0.3s; }
.pagination a:hover { background: #f39c12; color: #fff; }
@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4, .footer-grid, .contact-info, .news-grid, .related-articles { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2.2rem; }
    .nav-toggle { display: block; }
    nav ul { display: none; flex-direction: column; width: 100%; padding: 20px 0; gap: 15px; }
    nav ul.open { display: flex; }
}
.glass { background: rgba(255,255,255,0.1); backdrop-filter: blur(20px); border: 1px solid rgba(255,255,255,0.2); }
.rounded-full { border-radius: 50%; }
.shadow-lg { box-shadow: 0 20px 60px rgba(0,0,0,0.1); }
.hover-scale:hover { transform: scale(1.03); }
.animate-on-scroll { opacity: 0; transform: translateY(30px); transition: opacity 0.8s, transform 0.8s; }
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }
img[loading="lazy"] { opacity: 0; transition: opacity 0.5s; }
img[loading="lazy"].loaded { opacity: 1; }