/* ====== Large desktop ====== */
@media (max-width: 1200px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }

    .footer-grid .footer-col:nth-child(5) {
        grid-column: 2 / -1;
    }
}

/* ====== Tablet ====== */
@media (max-width: 1024px) {
    .simulateur-grid {
        grid-template-columns: 1fr;
    }

    .results-sticky {
        position: static;
        max-height: none;
    }

    .simulation-detail-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr 1fr;
        gap: var(--space-xl);
    }

    .footer-brand {
        grid-column: 1 / -1;
    }
}

/* ====== Mobile ====== */
@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.35rem; }

    .container {
        padding: 0 var(--space-md);
    }

    /* Header */
    .site-header .container {
        height: 56px;
    }

    .site-logo-icon {
        width: 28px;
        height: 28px;
    }

    .site-logo-text {
        font-size: 0.95rem;
    }

    .site-nav {
        display: none;
        position: fixed;
        top: 56px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: var(--space-xl) var(--space-lg);
        gap: var(--space-xs);
        z-index: 99;
        overflow-y: auto;
    }

    .site-nav.is-open {
        display: flex;
    }

    .site-nav a {
        padding: var(--space-md) 0;
        font-size: 1rem;
        border-bottom: 1px solid var(--border-light);
    }

    .site-nav .btn-primary,
    .site-nav .btn-outline-sm {
        margin-top: var(--space-md);
        text-align: center;
        justify-content: center;
        border-bottom: none;
        padding: var(--space-md);
    }

    .site-nav .btn-primary {
        font-size: 1rem;
    }

    .nav-mobile-toggle {
        display: block;
    }

    /* Hero */
    .hero {
        padding: var(--space-2xl) 0;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-cta .btn {
        text-align: center;
    }

    .hero-stats {
        flex-direction: row;
        gap: var(--space-md);
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-stat strong {
        font-size: 1.25rem;
    }

    .hero-stat span {
        font-size: 0.75rem;
    }

    /* Features */
    .features-grid {
        grid-template-columns: 1fr;
    }

    .features {
        padding: var(--space-2xl) 0;
    }

    /* Pricing */
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-section {
        padding: var(--space-2xl) 0;
    }

    .pricing-price {
        font-size: 2rem;
    }

    /* Guide */
    .guide {
        padding: var(--space-2xl) 0;
    }

    .guide-step {
        flex-direction: column;
        gap: var(--space-md);
    }

    .guide-formula {
        font-size: 0.8rem;
        overflow-x: auto;
    }

    /* FAQ */
    .faq {
        padding: var(--space-2xl) 0;
    }

    /* Simulateur */
    .simulateur-section {
        padding: var(--space-lg) 0;
    }

    .simulateur-grid {
        gap: var(--space-lg);
    }

    .input-row {
        grid-template-columns: 1fr;
    }

    .input-section {
        padding: var(--space-md);
    }

    .results-metrics {
        grid-template-columns: 1fr 1fr 1fr;
    }

    .metric-card {
        padding: var(--space-sm);
    }

    .metric-label {
        font-size: 0.65rem;
    }

    .metric-value {
        font-size: 1.1rem;
    }

    .charge-bar-label {
        width: 80px;
        font-size: 0.7rem;
    }

    .charge-bar-value {
        width: 60px;
        font-size: 0.7rem;
    }

    .results-actions {
        position: static;
        background: none;
        padding: 0;
    }

    /* Dashboard */
    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }

    .simulations-grid {
        grid-template-columns: 1fr;
    }

    .simulation-card-metrics {
        grid-template-columns: 1fr;
    }

    .simulation-card-footer {
        flex-wrap: wrap;
    }

    /* Account */
    .account-grid {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-lg);
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }

    /* SEO pages */
    .seo-hero {
        padding: var(--space-2xl) 0;
    }

    .seo-content {
        padding: var(--space-xl) 0;
    }

    .seo-intro {
        font-size: 1rem;
    }

    /* Flash */
    .flash-container {
        left: var(--space-md);
        right: var(--space-md);
    }

    .flash {
        min-width: auto;
    }

    /* Auth */
    .auth-wrapper {
        padding: var(--space-md);
    }

    .auth-card {
        padding: var(--space-lg);
    }

    /* Legal */
    .legal-section {
        padding: var(--space-2xl) 0;
    }
}

/* ====== Small mobile ====== */
@media (max-width: 480px) {
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.2rem; }

    .hero h1 {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .results-metrics {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .amort-table {
        font-size: 0.7rem;
    }

    .amort-table th,
    .amort-table td {
        padding: 6px 8px;
    }

    .detail-row {
        font-size: 0.8rem;
    }
}