/* ===== CSS Reset & Variables ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root { --primary: #1a1a2e; --secondary: #f0c040; --accent: #e94560; --bg: #f8f9fa; --glass: rgba(255,255,255,0.15); --shadow: 0 8px 32px rgba(0,0,0,0.12); --radius: 20px; --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94); }
[data-theme="dark"] { --primary: #e0e0e0; --secondary: #f0c040; --accent: #ff6b6b; --bg: #0f0f23; --glass: rgba(255,255,255,0.08); --shadow: 0 8px 32px rgba(0,0,0,0.5); }
html { scroll-behavior: smooth; }
body { font-family: 'Segoe UI', system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--primary); line-height: 1.7; transition: background var(--transition), color var(--transition); overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
/* ===== Header & Nav ===== */
header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background: var(--glass); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid rgba(255,255,255,0.1); transition: all var(--transition); }
header.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,0.2); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.5rem; font-weight: 800; color: var(--secondary); }
.logo svg { width: 40px; height: 40px; }
nav ul { display: flex; gap: 28px; font-weight: 600; }
nav ul li a { position: relative; padding: 6px 0; transition: color var(--transition); }
nav ul li a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--secondary); transition: width var(--transition); }
nav ul li a:hover::after, nav ul li a.active::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 16px; }
.theme-toggle, .menu-toggle, .search-toggle { background: none; border: none; font-size: 1.3rem; cursor: pointer; color: var(--primary); padding: 8px; border-radius: 50%; transition: background var(--transition); }
.theme-toggle:hover, .menu-toggle:hover, .search-toggle:hover { background: var(--glass); }
.menu-toggle { display: none; }
@media (max-width: 768px) { nav ul { display: none; flex-direction: column; position: absolute; top: 70px; left: 0; width: 100%; background: var(--bg); padding: 20px; gap: 16px; box-shadow: var(--shadow); } nav ul.open { display: flex; } .menu-toggle { display: block; } }
/* ===== Search Overlay ===== */
.search-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); backdrop-filter: blur(8px); z-index: 2000; display: none; justify-content: center; align-items: flex-start; padding-top: 120px; }
.search-overlay.open { display: flex; }
.search-box { background: var(--bg); padding: 30px; border-radius: var(--radius); width: 90%; max-width: 600px; box-shadow: var(--shadow); }
.search-box input { width: 100%; padding: 16px 20px; font-size: 1.2rem; border: 2px solid var(--secondary); border-radius: 12px; background: transparent; color: var(--primary); outline: none; }
.search-box button { margin-top: 16px; padding: 12px 28px; background: var(--secondary); color: #1a1a2e; border: none; border-radius: 12px; font-weight: 700; cursor: pointer; transition: opacity var(--transition); }
.search-box button:hover { opacity: 0.85; }
/* ===== Hero Banner ===== */
.hero { margin-top: 70px; position: relative; overflow: hidden; min-height: 85vh; display: flex; align-items: center; background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%); }
.hero-slider { position: absolute; inset: 0; display: flex; transition: transform 0.8s ease; }
.hero-slide { min-width: 100%; display: flex; align-items: center; justify-content: center; padding: 40px; }
.hero-content { text-align: center; color: #fff; z-index: 2; max-width: 800px; }
.hero-content h1 { font-size: clamp(2.5rem, 8vw, 5rem); font-weight: 900; margin-bottom: 20px; text-shadow: 0 4px 20px rgba(0,0,0,0.3); }
.hero-content p { font-size: 1.3rem; margin-bottom: 30px; opacity: 0.9; }
.hero-btn { display: inline-block; padding: 16px 48px; background: var(--secondary); color: #1a1a2e; font-weight: 700; border-radius: 50px; font-size: 1.2rem; transition: transform var(--transition), box-shadow var(--transition); box-shadow: 0 8px 30px rgba(240,192,64,0.4); }
.hero-btn:hover { transform: translateY(-4px) scale(1.02); box-shadow: 0 12px 40px rgba(240,192,64,0.6); }
.hero-nav { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); display: flex; gap: 12px; z-index: 3; }
.hero-dot { width: 14px; height: 14px; border-radius: 50%; background: rgba(255,255,255,0.4); cursor: pointer; transition: all var(--transition); border: none; }
.hero-dot.active { background: var(--secondary); transform: scale(1.3); }
/* ===== Sections ===== */
section { padding: 100px 0; }
.section-title { text-align: center; font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; margin-bottom: 16px; }
.section-sub { text-align: center; max-width: 700px; margin: 0 auto 60px; opacity: 0.8; font-size: 1.1rem; }
/* ===== Glass Card ===== */
.glass-card { background: var(--glass); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow); border: 1px solid rgba(255,255,255,0.1); transition: transform var(--transition), box-shadow var(--transition); }
.glass-card:hover { transform: translateY(-8px); box-shadow: 0 16px 48px rgba(0,0,0,0.18); }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; }
/* ===== Numbers ===== */
.number-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 40px 80px; margin: 40px 0; }
.number-item { text-align: center; }
.number-item .num { font-size: 3.5rem; font-weight: 900; color: var(--secondary); }
.number-item label { display: block; margin-top: 8px; font-weight: 600; }
/* ===== FAQ ===== */
.faq-item { border-bottom: 1px solid rgba(255,255,255,0.1); padding: 20px 0; cursor: pointer; }
.faq-question { display: flex; justify-content: space-between; font-weight: 700; font-size: 1.1rem; }
.faq-question span { transition: transform var(--transition); }
.faq-item.open .faq-question span { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.5s ease, padding 0.3s; padding-top: 0; color: rgba(255,255,255,0.8); }
.faq-item.open .faq-answer { max-height: 400px; padding-top: 16px; }
/* ===== HowTo ===== */
.howto-step { display: flex; gap: 20px; margin-bottom: 30px; align-items: flex-start; }
.step-num { width: 48px; height: 48px; border-radius: 50%; background: var(--secondary); color: #1a1a2e; display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: 1.3rem; flex-shrink: 0; }
/* ===== Footer ===== */
footer { background: #0d0d1a; color: #ccc; padding: 60px 0 30px; }
footer a { color: #aaa; transition: color var(--transition); }
footer a:hover { color: var(--secondary); }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; margin-bottom: 40px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.05); padding-top: 24px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: 0.9rem; }
/* ===== Animations ===== */
.fade-up { opacity: 0; transform: translateY(40px); transition: opacity 0.8s ease, transform 0.8s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.back-to-top { position: fixed; bottom: 30px; right: 30px; width: 50px; height: 50px; border-radius: 50%; background: var(--secondary); color: #1a1a2e; border: none; font-size: 1.5rem; cursor: pointer; box-shadow: var(--shadow); opacity: 0; visibility: hidden; transition: all var(--transition); z-index: 999; }
.back-to-top.show { opacity: 1; visibility: visible; }
/* ===== Responsive ===== */
@media (max-width: 600px) { section { padding: 60px 0; } .hero { min-height: 70vh; } }
/* ===== Breadcrumb ===== */
.breadcrumb { padding: 16px 0; font-size: 0.9rem; color: #888; display: flex; flex-wrap: wrap; gap: 8px; }
.breadcrumb a { color: var(--secondary); }
/* ===== Misc ===== */
.badge { display: inline-block; background: var(--secondary); color: #1a1a2e; padding: 4px 12px; border-radius: 20px; font-size: 0.8rem; font-weight: 700; }
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.article-card { padding: 24px; }
.article-card h3 { margin-bottom: 8px; }
.article-card .date { font-size: 0.85rem; opacity: 0.6; margin-bottom: 8px; }
.read-more { color: var(--secondary); font-weight: 700; transition: opacity var(--transition); }
.read-more:hover { opacity: 0.8; }
.partner-logo { display: flex; align-items: center; justify-content: center; padding: 20px; }
.contact-info p { margin: 8px 0; }
.map-placeholder { background: #2a2a3e; height: 300px; border-radius: var(--radius); display: flex; align-items: center; justify-content: center; color: #aaa; }
/* ===== Additional Hover & Style ===== */
.glass-card h3 { margin-bottom: 12px; }
.glass-card p { opacity: 0.9; }
.number-item .num { display: inline-block; }
.hero-btn:active { transform: scale(0.97); }
.search-box input:focus { box-shadow: 0 0 0 3px rgba(240,192,64,0.3); }
footer h4 { margin-bottom: 8px; }
.footer-grid ul li { margin-bottom: 6px; }
@media (max-width: 480px) { .number-grid { gap: 24px; } .number-item .num { font-size: 2.5rem; } }