/* USMF Responsive Design - Mobile First */

/* Base responsive */
* {
    box-sizing: border-box;
}

img {
    max-width: 100%;
    height: auto;
}

/* Mobile First - 320px and up */
.container {
    width: 100%;
    padding: 0 15px;
    margin: 0 auto;
}

/* Mobile Navigation */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: #1e3a8a;
    margin: 5px 0;
    transition: 0.3s;
}

/* Mobile - up to 768px */
@media (max-width: 768px) {
    
    /* Show mobile menu toggle */
    .mobile-toggle {
        display: block !important;
    }
    
    /* Hide desktop menu */
    .nav-menu {
        display: none !important;
    }
    
    /* Mobile menu styles */
    .nav-modern {
        display: none;
    }
    
    .nav-modern.mobile-active {
        display: block !important;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        z-index: 999;
    }
    
    .nav-modern.mobile-active .nav-menu {
        display: flex !important;
        flex-direction: column;
        padding: 20px;
    }
    
    .nav-modern.mobile-active .nav-menu li {
        margin: 10px 0;
    }
    
    /* Header adjustments */
    .header-actions {
        flex-direction: column;
        gap: 10px;
        align-items: flex-end;
    }
    
    .header-phone, .header-whatsapp {
        font-size: 0.9rem;
        padding: 8px 15px;
    }
    
    /* Hero section */
    .hero-modern {
        min-height: 80vh;
        padding: 120px 0 40px;
    }
    
    .hero-layout {
        display: block !important;
        text-align: center;
    }
    
    .hero-content {
        margin-bottom: 30px;
    }
    
    .hero-main-title {
        font-size: 2rem !important;
        line-height: 1.2;
        margin-bottom: 20px;
    }
    
    .hero-subtitle {
        font-size: 1.1rem !important;
        margin-bottom: 25px;
    }
    
    .hero-stats {
        justify-content: center;
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .hero-stat-item {
        min-width: 120px;
        padding: 15px;
    }
    
    .hero-info-card {
        margin-top: 30px;
        padding: 25px 20px;
        max-width: none;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .hero-buttons .btn {
        width: 100%;
        text-align: center;
    }
    
    /* Program grid */
    .program-grid {
        grid-template-columns: 1fr !important;
        gap: 20px;
    }
    
    .program-card {
        margin-bottom: 20px;
    }
    
    /* Stats grid */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 15px;
    }
    
    .stat-item {
        padding: 20px 15px;
        text-align: center;
    }
    
    /* Gallery */
    .gallery-categories {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
        margin-bottom: 30px;
    }
    
    .category-btn {
        flex: none;
        margin: 5px;
        padding: 8px 16px;
        font-size: 0.9rem;
    }
    
    .gallery-grid-modern {
        grid-template-columns: 1fr !important;
        gap: 20px;
    }
    
    /* Reasons grid */
    .reasons-grid {
        grid-template-columns: 1fr !important;
        gap: 20px;
    }
    
    /* Process steps */
    .process-steps {
        grid-template-columns: 1fr !important;
        gap: 20px;
    }
    
    .process-step {
        text-align: center;
    }
    
    /* Forms */
    .form-grid {
        grid-template-columns: 1fr !important;
    }
    
    .form-group {
        margin-bottom: 20px;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr !important;
        gap: 30px;
        text-align: center;
    }
    
    .footer-section {
        margin-bottom: 30px;
    }
    
    /* Typography mobile */
    h1 { font-size: 2rem !important; }
    h2 { font-size: 1.8rem !important; }
    h3 { font-size: 1.5rem !important; }
    h4 { font-size: 1.3rem !important; }
    
    .section {
        padding: 50px 0;
    }
    
    .container {
        padding: 0 20px;
    }
}

/* Small Mobile - 320px to 480px */
@media (max-width: 480px) {
    .hero-main-title {
        font-size: 1.8rem !important;
    }
    
    .hero-subtitle {
        font-size: 1rem !important;
    }
    
    .stats-grid {
        grid-template-columns: 1fr !important;
    }
    
    .hero-stats {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stat-item {
        width: 100%;
        max-width: 200px;
    }
    
    .header-actions {
        display: none;
    }
    
    .container {
        padding: 0 15px;
    }
}

/* Tablet - 769px to 1024px */
@media (min-width: 769px) and (max-width: 1024px) {
    
    .mobile-toggle {
        display: none !important;
    }
    
    .nav-menu {
        display: flex !important;
    }
    
    .program-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    
    .gallery-grid-modern {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    
    .reasons-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    
    .process-steps {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    
    .hero-layout {
        display: grid !important;
        grid-template-columns: 1fr 400px;
        gap: 40px;
        align-items: center;
    }
}

/* Desktop - 1025px and up */
@media (min-width: 1025px) {
    
    .mobile-toggle {
        display: none !important;
    }
    
    .nav-menu {
        display: flex !important;
    }
    
    .container {
        max-width: 1200px;
    }
    
    .hero-layout {
        display: grid !important;
        grid-template-columns: 1fr 450px;
        gap: 50px;
        align-items: center;
    }
    
    .program-grid {
        grid-template-columns: repeat(3, 1fr) !important;
    }
    
    .gallery-grid-modern {
        grid-template-columns: repeat(3, 1fr) !important;
    }
    
    .reasons-grid {
        grid-template-columns: repeat(3, 1fr) !important;
    }
    
    .process-steps {
        grid-template-columns: repeat(4, 1fr) !important;
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr) !important;
    }
}