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

:root {
    --primary: #e6b800;
    --secondary: #1a1a2e;
    --bg: #0f0f1a;
    --text: #f0f0f0;
    --glass: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.15);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --radius: 20px;
    --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
}

.dark-mode {
    --bg: #f5f5fa;
    --text: #1a1a2e;
    --glass: rgba(0, 0, 0, 0.04);
    --glass-border: rgba(0, 0, 0, 0.1);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: #ffd700;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.glass {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.btn {
    display: inline-block;
    padding: 14px 36px;
    background: linear-gradient(135deg, var(--primary), #ffd700);
    color: var(--secondary);
    font-weight: 700;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(230, 184, 0, 0.4);
    color: var(--secondary);
}

.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.4rem;
    text-align: center;
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--primary);
    margin: 12px auto 0;
    border-radius: 4px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    opacity: 0.8;
    margin-bottom: 48px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 28px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.card {
    padding: 32px;
    border-radius: var(--radius);
    background: var(--glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.icon-svg {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
    fill: var(--primary);
}

nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

nav.scrolled {
    background: rgba(15, 15, 26, 0.92);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.dark-mode nav.scrolled {
    background: rgba(245, 245, 250, 0.92);
}

.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    color: var(--text);
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 8px;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--text);
    border-radius: 4px;
    transition: var(--transition);
}

.theme-toggle {
    background: none;
    border: 2px solid var(--glass-border);
    color: var(--text);
    padding: 8px 16px;
    border-radius: 30px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition);
}

.theme-toggle:hover {
    border-color: var(--primary);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #0f0f1a 100%);
}

.dark-mode .hero {
    background: linear-gradient(135deg, #e8e8f0 0%, #d4d4e0 50%, #e8e8f0 100%);
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(230, 184, 0, 0.08) 0%, transparent 60%), radial-gradient(circle at 70% 50%, rgba(230, 184, 0, 0.05) 0%, transparent 60%);
    animation: heroGlow 12s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(5%, -5%);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 24px;
}

.hero h1 {
    font-size: 3.8rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--primary), #ffd700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.3rem;
    opacity: 0.9;
    margin-bottom: 40px;
}

.hero-btns {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.banner-slider {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: var(--radius);
    margin: 40px 0;
}

.banner-track {
    display: flex;
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.banner-slide {
    min-width: 100%;
    padding: 60px 40px;
    text-align: center;
    background: var(--glass);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
}

.banner-slide h3 {
    font-size: 2rem;
    margin-bottom: 12px;
}

.banner-slide p {
    font-size: 1.1rem;
    opacity: 0.85;
}

.banner-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 20px;
}

.banner-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--glass-border);
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.banner-dot.active {
    background: var(--primary);
    transform: scale(1.3);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 24px;
    margin: 40px 0;
}

.stat-card {
    text-align: center;
    padding: 32px 16px;
    background: var(--glass);
    border-radius: var(--radius);
    border: 1px solid var(--glass-border);
}

.stat-number {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: 1rem;
    opacity: 0.8;
    margin-top: 8px;
}

.faq-item {
    margin-bottom: 16px;
    border-radius: 16px;
    overflow: hidden;
    background: var(--glass);
    border: 1px solid var(--glass-border);
}

.faq-question {
    padding: 20px 24px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
}

.faq-question:hover {
    background: rgba(230, 184, 0, 0.08);
}

.faq-question .arrow {
    transition: var(--transition);
    font-size: 1.2rem;
}

.faq-item.open .faq-question .arrow {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, padding 0.5s ease;
}

.faq-item.open .faq-answer {
    max-height: 400px;
    padding: 0 24px 20px;
}

.footer {
    background: var(--secondary);
    padding: 60px 0 30px;
    margin-top: 60px;
}

.dark-mode .footer {
    background: #e0e0ea;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.footer h4 {
    color: var(--primary);
    margin-bottom: 16px;
    font-size: 1.2rem;
}

.footer a {
    display: block;
    padding: 4px 0;
    opacity: 0.8;
    font-size: 0.95rem;
}

.footer a:hover {
    opacity: 1;
}

.footer-bottom {
    border-top: 1px solid var(--glass-border);
    margin-top: 40px;
    padding-top: 24px;
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.7;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--secondary);
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 4px 20px rgba(230, 184, 0, 0.3);
}

.back-to-top.show {
    opacity: 1;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
}

.search-box {
    display: flex;
    gap: 8px;
    align-items: center;
}

.search-box input {
    padding: 10px 16px;
    border-radius: 30px;
    border: 1px solid var(--glass-border);
    background: var(--glass);
    color: var(--text);
    font-size: 0.95rem;
    width: 200px;
    outline: none;
    transition: var(--transition);
}

.search-box input:focus {
    border-color: var(--primary);
    width: 260px;
}

.search-box button {
    background: var(--primary);
    border: none;
    color: var(--secondary);
    padding: 10px 18px;
    border-radius: 30px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.search-box button:hover {
    background: #ffd700;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--bg);
    z-index: 2000;
    padding: 80px 32px;
    transition: var(--transition);
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.3);
}

.mobile-menu.open {
    right: 0;
}

.mobile-menu a {
    display: block;
    padding: 16px 0;
    font-size: 1.2rem;
    border-bottom: 1px solid var(--glass-border);
}

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1999;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.mobile-overlay.show {
    opacity: 1;
    pointer-events: all;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .hamburger {
        display: flex;
    }
    .hero h1 {
        font-size: 2.4rem;
    }
    .hero p {
        font-size: 1.1rem;
    }
    .section-title {
        font-size: 1.8rem;
    }
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .search-box input {
        width: 140px;
    }
    .search-box input:focus {
        width: 180px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.6s;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.scrollbar-hide::-webkit-scrollbar {
    display: none;
}

.scrollbar-hide {
    -ms-overflow-style: none;
    scrollbar-width: none;
}