/* Responsive Design */

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-menu {
        gap: var(--spacing-lg);
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.25rem;
    }
    
    .hero-values {
        gap: var(--spacing-lg);
    }
    
    .philosophy-items {
        grid-template-columns: 1fr;
    }
    
    .business-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .partner-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-flow {
        gap: var(--spacing-sm);
    }
    
    .process-step {
        min-width: 120px;
    }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
    :root {
        --spacing-xxl: 3rem;
        --spacing-xl: 2rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .nav-container {
        padding: 0 var(--spacing-sm);
        height: 70px;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: var(--spacing-lg);
        transition: left 0.3s ease;
        box-shadow: var(--box-shadow);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        width: 100%;
        padding: var(--spacing-md);
        font-size: 1.125rem;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }
    
    .hero-section {
        padding: 90px 0 var(--spacing-xl);
        min-height: auto;
    }
    
    .hero-container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 2.25rem;
        margin-bottom: var(--spacing-md);
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
        margin-bottom: var(--spacing-lg);
    }
    
    .hero-values {
        flex-direction: column;
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }
    
    .value-item {
        justify-content: center;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: stretch;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .section-title {
        font-size: 1.875rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .about-mission, .about-philosophy, .about-history {
        padding: var(--spacing-lg);
    }
    
    .timeline-item {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .timeline-year {
        min-width: auto;
    }
    
    .business-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .business-card {
        padding: var(--spacing-lg);
    }
    
    .process-flow {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .process-arrow {
        transform: rotate(90deg);
        margin: var(--spacing-sm) 0;
    }
    
    .process-step {
        min-width: auto;
        width: 100%;
    }
    
    .partner-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .partner-type {
        padding: var(--spacing-lg);
    }
    
    .principles-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .principle-item {
        padding: var(--spacing-md);
    }
    
    .benefit-item {
        padding: var(--spacing-md);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .contact-info, .contact-form {
        padding: var(--spacing-lg);
    }
    
    .escrow-notice {
        padding: var(--spacing-lg);
        margin-bottom: var(--spacing-lg);
    }

    .footer .escrow-title {
        font-size: 1.1rem;
    }

    .escrow-box {
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
    }

    .footer .escrow-box p {
        font-size: 1rem;
    }

    .escrow-mark {
        width: 70px;
        height: 70px;
    }

    .footer .escrow-helper {
        font-size: 0.95rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .footer-links ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-md);
    }
    
    .footer-links li {
        margin: 0;
    }
}

/* Small Mobile (max-width: 480px) */
@media (max-width: 480px) {
    :root {
        --font-size-base: 14px;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    
    .hero-title {
        font-size: 1.875rem;
    }
    
    .section-title {
        font-size: 1.625rem;
    }
    
    .card-icon {
        width: 60px;
        height: 60px;
    }
    
    .card-icon i {
        font-size: 1.5rem;
    }
    
    .step-icon {
        width: 60px;
        height: 60px;
    }
    
    .step-icon i {
        font-size: 1.375rem;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 0.875rem;
        min-width: 140px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 10px 12px;
        font-size: 0.875rem;
    }
}

/* Large Desktop (min-width: 1440px) */
@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .section-title {
        font-size: 3rem;
    }
    
    .business-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xxl);
    }
    
    .partner-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Print Styles */
@media print {
    .navbar,
    .hero-cta,
    .nav-toggle,
    .footer {
        display: none !important;
    }
    
    body {
        color: #000 !important;
        background: #fff !important;
    }
    
    .section {
        page-break-inside: avoid;
        padding: 1rem 0 !important;
    }
    
    .container {
        max-width: 100% !important;
        padding: 0 !important;
    }
}