/**
 * responsive.css - 차수막 공사 반응형 스타일
 *
 * @package ChasuMak
 * @version 1.0.0
 */

/* ========================================
   Desktop Large (1400px and up)
   ======================================== */
@media (min-width: 1400px) {
    .container {
        max-width: 1400px;
    }

    .hero-title {
        font-size: 4rem;
    }

    .section-title {
        font-size: 3.5rem;
    }
}

/* ========================================
   Desktop (1200px - 1399px)
   ======================================== */
@media (max-width: 1399px) {
    .container {
        max-width: 1200px;
    }

    .footer-links {
        gap: var(--spacing-lg);
    }
}

/* ========================================
   Laptop (992px - 1199px)
   ======================================== */
@media (max-width: 1199px) {
    .container {
        max-width: 960px;
    }

    .nav-menu {
        gap: 0;
    }

    .nav-item > a {
        padding: var(--spacing-sm);
        font-size: 0.9rem;
    }

    .header-actions .btn-quote span {
        display: none;
    }

    .header-actions .btn-quote {
        padding: var(--spacing-sm);
        width: 45px;
        height: 45px;
        border-radius: var(--radius-full);
    }

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

    .footer-brand {
        max-width: 100%;
        text-align: center;
    }

    .footer-certifications {
        justify-content: center;
    }
}

/* ========================================
   Tablet (768px - 991px)
   ======================================== */
@media (max-width: 991px) {
    :root {
        --spacing-xxl: 4rem;
    }

    .container {
        max-width: 720px;
        padding: 0 var(--spacing-md);
    }

    /* Header */
    .main-nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .header-container {
        height: 70px;
    }

    .site-main {
        padding-top: 70px;
    }

    .mobile-menu {
        top: 70px;
        height: calc(100vh - 70px);
    }

    /* Grid */
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Footer */
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    .footer-bottom .footer-container {
        flex-direction: column;
        text-align: center;
    }

    .footer-legal {
        flex-direction: column;
    }

    /* Hero Section */
    .hero-section {
        min-height: calc(100vh - 70px);
    }

    .hero-content {
        padding: var(--spacing-xl) 0;
    }

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

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

    /* Slider */
    .slider-container {
        padding: 0 var(--spacing-md);
    }

    .slider-arrow {
        display: none;
    }

    /* Cards */
    .card {
        padding: var(--spacing-lg);
    }

    /* Stats */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Portfolio */
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Team */
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Quote Calculator */
    .quote-form-container {
        padding: var(--spacing-lg);
    }

    .quote-result-container {
        padding: var(--spacing-lg);
    }

    /* Floating Buttons */
    .floating-buttons {
        bottom: 20px;
        right: 20px;
    }

    .float-btn {
        width: 50px;
        height: 50px;
    }
}

/* ========================================
   Mobile Large (576px - 767px)
   ======================================== */
@media (max-width: 767px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-xxl: 3rem;
    }

    .container {
        max-width: 540px;
        padding: 0 var(--spacing-sm);
    }

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

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

    /* Header */
    .logo-text {
        font-size: 1.2rem;
    }

    .logo-icon {
        width: 38px;
        height: 38px;
    }

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

    .hero-buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .hero-buttons .btn {
        width: 100%;
    }

    /* Grid */
    .grid-4,
    .grid-3,
    .grid-2 {
        grid-template-columns: 1fr;
    }

    /* Slider */
    .slider-slide {
        padding: var(--spacing-lg);
    }

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

    .slider-pagination {
        bottom: 15px;
    }

    /* Cards */
    .card {
        padding: var(--spacing-md);
    }

    .card-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .card-title {
        font-size: 1.2rem;
    }

    /* Stats */
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .stat-item {
        padding: var(--spacing-md);
    }

    .stat-number {
        font-size: 2.5rem;
    }

    /* Portfolio */
    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-item {
        aspect-ratio: 4/3;
    }

    /* Services */
    .service-card {
        flex-direction: column;
    }

    .service-image {
        width: 100%;
        height: 200px;
    }

    /* Team */
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 350px;
        margin: 0 auto;
    }

    /* FAQ */
    .faq-item {
        padding: var(--spacing-md);
    }

    .faq-question {
        font-size: 1rem;
    }

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

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

    /* Quote Calculator */
    .quote-calculator {
        padding: var(--spacing-md);
    }

    .quote-step {
        padding: var(--spacing-md);
    }

    .quote-options {
        grid-template-columns: 1fr;
    }

    .quote-result {
        padding: var(--spacing-md);
    }

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

    /* Footer */
    .footer-top {
        padding: var(--spacing-xl) 0;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }

    .footer-column h4 {
        display: block;
        text-align: center;
    }

    .footer-column h4::after {
        margin: 0 auto;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-contact .contact-list {
        align-items: center;
    }

    .footer-contact .contact-list li {
        justify-content: center;
    }

    /* Buttons */
    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 0.95rem;
    }

    .btn-lg {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: 1rem;
    }

    /* Forms */
    .form-input,
    .form-textarea,
    .form-select {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 16px; /* Prevents zoom on iOS */
    }

    /* Reviews */
    .review-card {
        padding: var(--spacing-md);
    }

    .review-rating {
        font-size: 1.2rem;
    }

    /* Blog */
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .blog-card-image {
        height: 200px;
    }

    /* Tables */
    .price-table {
        display: block;
        overflow-x: auto;
    }

    .price-table th,
    .price-table td {
        padding: var(--spacing-sm);
        font-size: 0.85rem;
    }

    /* Map */
    .map-container {
        height: 300px;
    }

    /* Modal */
    .modal-content {
        margin: var(--spacing-md);
        padding: var(--spacing-md);
        max-height: calc(100vh - 40px);
    }

    .modal-header h3 {
        font-size: 1.2rem;
    }
}

/* ========================================
   Mobile Small (up to 575px)
   ======================================== */
@media (max-width: 575px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-xl: 1.75rem;
        --spacing-xxl: 2.5rem;
    }

    body {
        font-size: 0.95rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    /* Header */
    .header-container {
        height: 60px;
        padding: 0 var(--spacing-sm);
    }

    .site-main {
        padding-top: 60px;
    }

    .mobile-menu {
        top: 60px;
        height: calc(100vh - 60px);
    }

    .logo-text {
        font-size: 1.1rem;
    }

    .logo-icon {
        width: 35px;
        height: 35px;
    }

    .header-actions .btn-quote {
        width: 40px;
        height: 40px;
    }

    .header-actions .btn-quote svg {
        width: 16px;
        height: 16px;
    }

    /* Hero */
    .hero-section {
        min-height: calc(100vh - 60px);
    }

    .hero-title {
        font-size: 1.75rem;
        line-height: 1.3;
    }

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

    .hero-badge {
        font-size: 0.75rem;
        padding: 6px 12px;
    }

    /* Section */
    .section {
        padding: var(--spacing-xl) 0;
    }

    .section-header {
        margin-bottom: var(--spacing-xl);
    }

    .section-badge {
        font-size: 0.75rem;
        padding: 4px 10px;
    }

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

    /* Slider */
    .slider-slide {
        padding: var(--spacing-md);
    }

    .slider-title {
        font-size: 1.25rem;
    }

    .slider-desc {
        font-size: 0.9rem;
    }

    /* Cards */
    .card {
        padding: var(--spacing-md);
        border-radius: var(--radius-md);
    }

    .card-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }

    .card-title {
        font-size: 1.1rem;
    }

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

    /* Stats */
    .stat-number {
        font-size: 2rem;
    }

    .stat-label {
        font-size: 0.85rem;
    }

    /* Quote Calculator */
    .quote-option {
        padding: var(--spacing-sm);
    }

    .quote-option-icon {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }

    .quote-option-title {
        font-size: 0.95rem;
    }

    .quote-price {
        font-size: 1.75rem;
    }

    .quote-breakdown {
        font-size: 0.85rem;
    }

    /* Footer */
    .footer-logo span {
        font-size: 1.1rem;
    }

    .footer-desc {
        font-size: 0.9rem;
    }

    .cert-badge {
        font-size: 0.7rem;
        padding: 4px 8px;
    }

    .footer-column h4 {
        font-size: 0.95rem;
    }

    .footer-column ul li a {
        font-size: 0.85rem;
    }

    .footer-bottom {
        padding: var(--spacing-sm) 0;
    }

    .footer-legal p,
    .legal-links,
    .footer-info p {
        font-size: 0.75rem;
    }

    /* Floating Buttons */
    .floating-buttons {
        bottom: 15px;
        right: 15px;
        gap: 8px;
    }

    .float-btn {
        width: 45px;
        height: 45px;
    }

    .float-btn svg {
        width: 20px;
        height: 20px;
    }

    /* Buttons */
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }

    .btn-lg {
        padding: var(--spacing-sm) var(--spacing-lg);
    }

    /* Page Header */
    .page-header {
        padding: var(--spacing-xl) 0;
    }

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

    /* Breadcrumb */
    .breadcrumb {
        font-size: 0.8rem;
    }

    /* Blog */
    .blog-card-content {
        padding: var(--spacing-md);
    }

    .blog-card-title {
        font-size: 1rem;
    }

    .blog-card-excerpt {
        font-size: 0.85rem;
    }

    /* Reviews */
    .review-text {
        font-size: 0.9rem;
    }

    .review-author {
        font-size: 0.85rem;
    }

    /* Timeline */
    .timeline::before {
        left: 15px;
    }

    .timeline-item {
        padding-left: 40px;
    }

    .timeline-dot {
        left: 8px;
        width: 15px;
        height: 15px;
    }

    /* Tabs */
    .tabs-nav {
        flex-wrap: wrap;
    }

    .tab-btn {
        font-size: 0.85rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
}

/* ========================================
   Very Small Devices (up to 375px)
   ======================================== */
@media (max-width: 375px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.35rem;
    }

    .logo-text {
        font-size: 1rem;
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .quote-price {
        font-size: 1.5rem;
    }
}

/* ========================================
   Landscape Mode Adjustments
   ======================================== */
@media (max-height: 500px) and (orientation: landscape) {
    .hero-section {
        min-height: auto;
        padding: var(--spacing-xl) 0;
    }

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

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

    .slider-container {
        max-height: 400px;
    }

    .floating-buttons {
        flex-direction: row;
        bottom: 10px;
        right: 10px;
    }

    .float-btn {
        width: 40px;
        height: 40px;
    }
}

/* ========================================
   High DPI / Retina Displays
   ======================================== */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo-icon svg,
    .card-icon svg,
    .float-btn svg {
        shape-rendering: geometricPrecision;
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .cosmic-background,
    .site-header,
    .mobile-menu,
    .floating-buttons,
    .site-footer {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .site-main {
        padding-top: 0;
    }

    .section {
        padding: 20px 0;
        page-break-inside: avoid;
    }

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

    a {
        color: black;
        text-decoration: underline;
    }

    .btn {
        border: 1px solid black;
        background: none;
        color: black;
    }
}

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

    html {
        scroll-behavior: auto;
    }

    .cosmic-background,
    .stars,
    .stars2,
    .stars3,
    .cosmic-gradient {
        animation: none;
    }
}

/* ========================================
   Dark Mode System Preference
   ======================================== */
@media (prefers-color-scheme: light) {
    /* Site is already dark by default,
       but we could add light mode overrides here if needed */
}

/* ========================================
   Touch Device Optimizations
   ======================================== */
@media (hover: none) and (pointer: coarse) {
    .nav-item > a:hover {
        background: transparent;
    }

    .dropdown-menu {
        display: none;
    }

    .has-dropdown.active .dropdown-menu {
        display: block;
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        margin-top: var(--spacing-sm);
    }

    .card:hover {
        transform: none;
    }

    .btn:hover {
        transform: none;
    }

    .float-btn:hover {
        transform: none;
    }
}

/* ========================================
   Focus Styles for Accessibility
   ======================================== */
@media (prefers-reduced-motion: no-preference) {
    :focus-visible {
        outline: 2px solid var(--primary);
        outline-offset: 2px;
    }

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