/* ==========================================
   신화소프트랩 - Responsive Design
   ========================================== */

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .product-header {
        grid-template-columns: 1fr;
    }

    .product-title {
        font-size: 2.5rem;
    }

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

    .company-content {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .support-process {
        flex-wrap: wrap;
    }

    .process-arrow {
        display: none;
    }

    .process-step {
        margin-bottom: var(--spacing-lg);
    }
}

/* Mobile (max-width: 767px) */
@media (max-width: 767px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    /* Navigation Mobile */
    .mobile-menu-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--white);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-md);
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-normal);
    }

    .nav-menu.active {
        max-height: 500px;
    }

    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid var(--medium-gray);
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .nav-link {
        display: flex;
        justify-content: space-between;
        width: 100%;
        padding: var(--spacing-sm);
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border-radius: 0;
        border-left: 3px solid var(--primary-blue);
        margin-left: var(--spacing-sm);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-normal);
    }

    .dropdown.active .dropdown-menu {
        max-height: 200px;
    }

    /* Hero Mobile */
    .hero-section {
        min-height: 90vh;
        padding-top: 70px;
    }

    .hero-title {
        font-size: 2rem;
    }

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

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

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }

    /* Sections Mobile */
    section {
        padding: var(--spacing-lg) 0;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .section-description {
        font-size: 1rem;
    }

    /* Solutions Cards Mobile */
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .solution-card {
        padding: var(--spacing-md);
    }

    .card-icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }

    .card-title {
        font-size: 1.5rem;
    }

    .card-features {
        font-size: 0.9rem;
    }

    /* Product Detail Mobile */
    .product-header {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .product-title {
        font-size: 2rem;
    }

    .product-subtitle {
        font-size: 1.2rem;
    }

    .mockup-container {
        padding: var(--spacing-md);
        min-height: 200px;
    }

    .mockup-icon {
        font-size: 4rem;
    }

    /* Tabs Mobile */
    .tabs-navigation {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .tabs-navigation::-webkit-scrollbar {
        display: none;
    }

    .tab-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.9rem;
    }

    .tab-btn i {
        font-size: 1rem;
    }

    .tab-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .tab-info h3 {
        font-size: 1.5rem;
    }

    .feature-list li {
        flex-direction: column;
        align-items: flex-start;
        padding: var(--spacing-sm) 0;
    }

    .feature-list strong {
        font-size: 1rem;
    }

    /* System Diagram Mobile */
    .diagram-flow {
        flex-direction: column;
    }

    .flow-arrow {
        transform: rotate(90deg);
        margin: var(--spacing-xs) 0;
    }

    /* Stats Demo Mobile */
    .stats-demo {
        grid-template-columns: 1fr;
    }

    /* Approval Flow Mobile */
    .flow-steps {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .flow-steps > i {
        transform: rotate(90deg);
    }

    /* Support Process Mobile */
    .support-process {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .process-step {
        min-width: 100%;
    }

    .process-arrow {
        display: none;
    }

    .step-icon {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }

    /* Support Cards Mobile */
    .support-cards {
        grid-template-columns: 1fr;
    }

    /* Company Mobile */
    .company-content {
        grid-template-columns: 1fr;
    }

    .timeline-vertical {
        padding-left: var(--spacing-md);
    }

    .timeline-vertical::before {
        left: 10px;
    }

    .timeline-item-v {
        flex-direction: column;
        align-items: flex-start;
    }

    .timeline-year {
        min-width: auto;
        margin-bottom: var(--spacing-xs);
    }

    .timeline-year::before {
        right: auto;
        left: -26px;
    }

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

    /* Benefits Mobile */
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .benefit-item {
        padding: var(--spacing-sm);
    }

    .benefit-item i {
        font-size: 2rem;
    }

    .benefit-item h4 {
        font-size: 0.95rem;
    }

    .benefit-item p {
        font-size: 0.85rem;
    }

    /* Recruitment Steps Mobile */
    .recruitment-steps {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .recruitment-steps > i {
        transform: rotate(90deg);
    }

    /* Contact Mobile */
    .contact-content {
        grid-template-columns: 1fr;
    }

    .contact-form {
        grid-template-columns: 1fr;
    }

    .form-group.full-width {
        grid-column: span 1;
    }

    /* Footer Mobile */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

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

    .footer-column {
        text-align: center;
    }

    /* Table Responsive */
    .permission-table {
        font-size: 0.85rem;
    }

    .permission-table th,
    .permission-table td {
        padding: var(--spacing-xs);
    }
}

/* Small Mobile (max-width: 480px) */
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1.3rem;
    }

    .hero-description {
        font-size: 0.95rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .product-title {
        font-size: 1.8rem;
    }

    .card-title {
        font-size: 1.3rem;
    }

    .step-number,
    .recruit-number,
    .step-circle {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }

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

    .mockup-icon {
        font-size: 3rem;
    }

    .mockup-text {
        font-size: 0.95rem;
    }
}

/* Landscape Mobile */
@media (max-width: 767px) and (orientation: landscape) {
    .hero-section {
        min-height: auto;
        padding: var(--spacing-lg) 0;
    }

    .hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .hero-cta {
        flex-direction: row;
    }

    .hero-cta .btn {
        width: auto;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .mobile-menu-toggle,
    .hero-cta,
    .scroll-indicator,
    .btn,
    .contact-form,
    .footer {
        display: none !important;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
    }

    .hero-section {
        background: none;
        color: #000;
        min-height: auto;
        padding: 2rem 0;
    }

    section {
        page-break-inside: avoid;
        padding: 1rem 0;
    }

    .solution-card,
    .support-card,
    .value-card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* High Resolution Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Dark Mode Support (Optional) */
@media (prefers-color-scheme: dark) {
    /* Uncomment to enable dark mode */
    /*
    :root {
        --white: #1a1a1a;
        --light-gray: #2d2d2d;
        --medium-gray: #404040;
        --text-dark: #ffffff;
        --text-medium: #cccccc;
    }

    .navbar {
        background-color: #2d2d2d;
    }

    .solution-card,
    .support-card,
    .value-card,
    .timeline-content,
    .timeline-content-v {
        background-color: #2d2d2d;
    }

    .hero-section {
        background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #404040 100%);
    }
    */
}

/* Accessibility Improvements */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus Styles for Accessibility */
*:focus-visible {
    outline: 3px solid var(--primary-blue);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Loading State */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection Color */
::selection {
    background-color: var(--primary-blue-light);
    color: var(--white);
}

::-moz-selection {
    background-color: var(--primary-blue-light);
    color: var(--white);
}