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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0a0a0a;
    color: #ffffff;
    overflow-x: hidden;
}

.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

    .glass-card:hover {
        background: rgba(255, 255, 255, 0.06);
        border-color: rgba(255, 255, 255, 0.2);
        transform: translateY(-8px);
        box-shadow: 0 20px 60px rgba(102, 126, 234, 0.3);
    }

.neon-glow {
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.5), 0 0 40px rgba(118, 75, 162, 0.3), 0 0 60px rgba(240, 147, 251, 0.2);
}

.exam-card {
    background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    cursor: pointer;
}

    .exam-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
        opacity: 0;
        transition: opacity 0.4s ease;
    }

    .exam-card:hover::before {
        opacity: 1;
    }

    .exam-card:hover {
        transform: translateY(-10px) scale(1.02);
        border-color: rgba(102, 126, 234, 0.5);
        box-shadow: 0 20px 60px rgba(102, 126, 234, 0.4);
    }

.floating {
    animation: floating 6s ease-in-out infinite;
}

@keyframes floating {
    0%, 100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

.pulse-glow {
    animation: pulseGlow 3s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
    }

    50% {
        box-shadow: 0 0 40px rgba(102, 126, 234, 0.6), 0 0 60px rgba(118, 75, 162, 0.4);
    }
}

.category-badge {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

    .category-badge:hover {
        background: rgba(102, 126, 234, 0.3);
        border-color: rgba(102, 126, 234, 0.5);
        transform: scale(1.05);
    }

.hero-gradient {
    background: radial-gradient(circle at top center, rgba(102, 126, 234, 0.3) 0%, rgba(0, 0, 0, 0) 70%), radial-gradient(circle at bottom right, rgba(118, 75, 162, 0.2) 0%, rgba(0, 0, 0, 0) 70%);
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 999px;
    font-weight: 700;
    font-size: 1.125rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

    .btn-primary::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
        transition: left 0.5s ease;
    }

    .btn-primary:hover::before {
        left: 100%;
    }

    .btn-primary:hover {
        transform: translateY(-3px);
        box-shadow: 0 10px 30px rgba(102, 126, 234, 0.5);
    }

.btn-secondary {
    background: transparent;
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 999px;
    font-weight: 700;
    font-size: 1.125rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

    .btn-secondary:hover {
        border-color: #667eea;
        background: rgba(102, 126, 234, 0.1);
        transform: translateY(-3px);
    }

.stats-number {
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(135deg, #667eea 0%, #f093fb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.section-dark {
    background: #000000;
    position: relative;
}

.section-gradient {
    background: linear-gradient(180deg, #0a0a0a 0%, #1a0a2e 50%, #0a0a0a 100%);
}

nav {
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

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

@media (max-width: 768px) {
    .stats-number {
        font-size: 2rem;
    }

    .category-section {
        grid-template-columns: 1fr;
    }
}

.shimmer {
    position: relative;
    overflow: hidden;
}

    .shimmer::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
        animation: shimmer 3s infinite;
    }

@keyframes shimmer {
    100% {
        left: 100%;
    }
}