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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0a0a0a;
    color: #ffffff;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    opacity: 0.1;
    z-index: -1;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: bold;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.25rem;
    color: #a0a0a0;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.quantum-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: #667eea;
    font-size: 0.875rem;
    font-weight: 500;
}

.pulse {
    width: 8px;
    height: 8px;
    background: #667eea;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.pulse:nth-child(3) {
    animation-delay: 0.5s;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Grid Section */
.grid-section {
    padding: 4rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.125rem;
    color: #a0a0a0;
    max-width: 600px;
    margin: 0 auto;
}

.quantum-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

.sector-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.sector-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s;
}

.sector-card:hover::before {
    left: 100%;
}

.sector-card:hover {
    transform: translateY(-4px);
    border-color: #667eea;
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.2);
}

.sector-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.sector-title {
    font-size: 1.25rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: #ffffff;
}

.sector-description {
    color: #a0a0a0;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.sector-use-case {
    color: #667eea;
    font-size: 0.75rem;
    line-height: 1.4;
    opacity: 0.8;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    backdrop-filter: blur(8px);
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #1a1a1a;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: bold;
    color: #ffffff;
}

.close-btn {
    background: none;
    border: none;
    color: #a0a0a0;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
    transition: color 0.3s ease;
}

.close-btn:hover {
    color: #ffffff;
}

.modal-body {
    color: #d0d0d0;
    line-height: 1.6;
}

.quantum-benefits {
    background: rgba(102, 126, 234, 0.1);
    border-left: 4px solid #667eea;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 0 8px 8px 0;
}

/* Footer */
.footer {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem 0;
    text-align: center;
    color: #a0a0a0;
}

.footer .accent {
    color: #667eea;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .quantum-grid {
        grid-template-columns: 1fr;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.sector-card {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.sector-card:nth-child(1) { animation-delay: 0.1s; }
.sector-card:nth-child(2) { animation-delay: 0.2s; }
.sector-card:nth-child(3) { animation-delay: 0.3s; }
.sector-card:nth-child(4) { animation-delay: 0.4s; }
.sector-card:nth-child(5) { animation-delay: 0.5s; }
.sector-card:nth-child(6) { animation-delay: 0.6s; }
.sector-card:nth-child(7) { animation-delay: 0.7s; }
.sector-card:nth-child(8) { animation-delay: 0.8s; }
.sector-card:nth-child(9) { animation-delay: 0.9s; }
.sector-card:nth-child(10) { animation-delay: 1.0s; }
.sector-card:nth-child(11) { animation-delay: 1.1s; }
.sector-card:nth-child(12) { animation-delay: 1.2s; }
.sector-card:nth-child(13) { animation-delay: 1.3s; }
.sector-card:nth-child(14) { animation-delay: 1.4s; }
.sector-card:nth-child(15) { animation-delay: 1.5s; }
.sector-card:nth-child(16) { animation-delay: 1.6s; }
.sector-card:nth-child(17) { animation-delay: 1.7s; }
.sector-card:nth-child(18) { animation-delay: 1.8s; }
.sector-card:nth-child(19) { animation-delay: 1.9s; }
.sector-card:nth-child(20) { animation-delay: 2.0s; }
.sector-card:nth-child(21) { animation-delay: 2.1s; }
.sector-card:nth-child(22) { animation-delay: 2.2s; }
.sector-card:nth-child(23) { animation-delay: 2.3s; }
.sector-card:nth-child(24) { animation-delay: 2.4s; }
.sector-card:nth-child(25) { animation-delay: 2.5s; }