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

body {
    background-image: url('images/background.png');
    background-color: #030712;
    background-attachment: fixed;
    font-family: 'Inter', sans-serif;
}

.hero-title {
    text-shadow: 0 0 10px rgba(79, 171, 247, 0.5), 0 0 20px rgba(79, 171, 247, 0.4), 0 0 40px rgba(79, 171, 247, 0.3);
}

.section-title {
    position: relative;
    display: inline-block;
    padding-bottom: 0.5rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, rgba(59, 130, 246, 0), #3B82F6, rgba(59, 130, 246, 0));
    box-shadow: 0 0 8px #3B82F6;
}

.feature-card, .tech-card, .vision-card {
    background: rgba(17, 24, 39, 0.5);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 0.75rem;
    padding: 2rem;
    transition: all 0.3s ease-in-out;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.feature-card:hover, .tech-card:hover, .vision-card:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.5);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 0 15px rgba(59, 130, 246, 0.2);
}

#comparison .tech-card {
    padding: 1.5rem;
    min-height: 480px;
}

.feature-card img {
    filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.6));
}

table td, table th {
    transition: background-color 0.3s ease;
}

tbody tr:hover {
    background-color: rgba(59, 130, 246, 0.05);
}

.evolution-timeline {
    margin-left: 1.5rem;
}

.timeline-item {
    padding-left: 2.5rem;
}

.timeline-dot {
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.7);
}

@media (min-width: 768px) {
    .evolution-timeline {
        margin-left: 0;
        padding-left: 0;
        width: 100%;
        max-width: 800px;
        margin: 0 auto;
    }

    .evolution-timeline::before {
        content: '';
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        top: 0;
        height: 100%;
        width: 2px;
        background-color: rgba(59, 130, 246, 0.3);
    }
    
    .timeline-item {
        width: 50%;
        padding-left: 0;
        margin-bottom: 5rem;
    }

    .timeline-item:nth-child(odd) {
        align-self: flex-start;
        padding-right: 3rem;
        text-align: right;
    }

    .timeline-item:nth-child(even) {
        align-self: flex-end;
        padding-left: 3rem;
    }
    
    .timeline-dot {
        left: 50%;
        top: 5px;
        transform: translateX(-50%);
    }
}

.scroll-target {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-target.timeline-item {
    transition-delay: 0.2s;
}

.scroll-target.visible {
    opacity: 1;
    transform: translateY(0);
}


@keyframes fade-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fade-in 1s ease-out forwards;
}