/* Responsive Styles for Geothermal Retrofit Report */

@media (max-width: 1400px) {
    .container {
        max-width: 100%;
        padding: 1.5rem;
    }
}

@media (max-width: 1200px) {
    .container {
        gap: 2rem;
    }
    .sidebar {
        width: 240px;
    }
}

@media (max-width: 1024px) {
    .container {
        grid-template-columns: 1fr;
    }
    .sidebar {
        display: none;
    }
    .main-content {
        padding: 2rem;
    }
    .hero-title {
        font-size: 2rem;
    }
    .comparison-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding: 2rem 1.5rem;
    }
    .hero-title {
        font-size: 1.6rem;
    }
    .hero-subtitle {
        font-size: 0.95rem;
    }
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    .stat-number {
        font-size: 1.6rem;
    }
    table {
        font-size: 0.8rem;
    }
    th, td {
        padding: 0.6rem;
    }
    .main-nav {
        display: none;
    }
    .main-nav.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        background: var(--dark-bg);
        padding: 1rem;
        gap: 0.5rem;
    }
    .mobile-menu-toggle {
        display: block;
    }
    .sp-body {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        padding: 1.2rem 1.4rem;
    }
    .sp-rule {
        display: none;
    }
    .learnings-grid {
        grid-template-columns: 1fr;
    }
    .region-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 14px;
    }
    .main-content {
        padding: 1rem;
    }
    .section-header h2 {
        font-size: 1.4rem;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .hero-title {
        font-size: 1.3rem;
    }
    .tech-card, .market-card, .case-card {
        padding: 1rem;
    }
    .chart-container {
        padding: 0.5rem;
        margin: 1rem 0;
    }
}