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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #000;
    color: #fff;
    line-height: 1.6;
}

/* Header */
.header {
    background: rgba(0, 0, 0, 0.95);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(139, 92, 246, 0.3);
    backdrop-blur-sm;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
}

.back-link {
    color: #8B5CF6;
    text-decoration: none;
    font-size: 1.05rem;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
}

.back-link:hover {
    opacity: 0.8;
    transform: translateX(-5px);
}

/* Hero Section */
.hero {
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #000 0%, #1a0033 50%, #2a0055 100%);
    border-bottom: 1px solid rgba(139, 92, 246, 0.3);
}

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

.hero-title {
    font-size: 3.5rem;
    color: #8B5CF6;
    font-weight: 800;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.4rem;
    color: #A78BFA;
    font-weight: 500;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.35rem;
    color: #e0e0e0;
    font-weight: 400;
    line-height: 1.7;
    max-width: 900px;
}

/* Experiments Section */
.experiments {
    padding: 4rem 2rem;
    background: #000;
}

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

.section-title {
    font-size: 3rem;
    color: #8B5CF6;
    font-weight: 800;
    margin-bottom: 2.5rem;
    text-align: center;
    letter-spacing: -0.02em;
}

.experiments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.experiment-card {
    background: rgba(139, 92, 246, 0.05);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}

.experiment-card:hover {
    transform: translateY(-8px);
    border-color: #8B5CF6;
    box-shadow: 0 15px 40px rgba(139, 92, 246, 0.3);
}

.experiment-preview {
    width: 100%;
    height: 240px;
    background: linear-gradient(135deg, #1a0033 0%, #2a0055 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.preview-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-icon {
    font-size: 5rem;
    opacity: 0.6;
}

.preview-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.experiment-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.experiment-title {
    font-size: 1.6rem;
    color: #8B5CF6;
    font-weight: 700;
    margin-bottom: 0.8rem;
    letter-spacing: -0.01em;
}

.experiment-description {
    font-size: 1.15rem;
    color: #e0e0e0;
    font-weight: 400;
    line-height: 1.65;
    margin-bottom: 1.2rem;
    flex: 1;
}

.experiment-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.tag {
    padding: 0.5rem 1rem;
    background: rgba(139, 92, 246, 0.15);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 500;
    color: #A78BFA;
}

/* Info Section */
.info {
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #1a0033 0%, #000 100%);
}

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

.info-content {
    max-width: 800px;
    margin: 0 auto;
}

.info-content p {
    font-size: 1.2rem;
    color: #e0e0e0;
    font-weight: 400;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #1a0033 0%, #000 100%);
    padding: 2rem;
    border-top: 1px solid rgba(139, 92, 246, 0.3);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-content p {
    color: #e0e0e0;
    font-size: 1rem;
    font-weight: 400;
    opacity: 0.7;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: #8B5CF6;
    font-size: 1.05rem;
    font-weight: 500;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 0.8;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .header {
        padding: 1rem;
    }

    .hero {
        padding: 3rem 1rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-description {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .experiments {
        padding: 3rem 1rem;
    }

    .experiments-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .info {
        padding: 3rem 1rem;
    }

    .info-content p {
        font-size: 1.05rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .experiment-preview {
        height: 180px;
    }

    .preview-icon {
        font-size: 4rem;
    }
}