/* responsive.css - 響應式設計專用樣式 */

/* 超大螢幕 (>= 1536px) */
@media (min-width: 1536px) {
    .container {
        max-width: var(--container-2xl);
    }
    
    .hero h1 {
        font-size: 3.5rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
}

/* 大螢幕 (>= 1280px) */
@media (min-width: 1280px) and (max-width: 1535px) {
    .container {
        max-width: var(--container-xl);
    }
    
    .hero h1 {
        font-size: 3rem;
    }
}

/* 中等螢幕 (>= 1024px) */
@media (min-width: 1024px) and (max-width: 1279px) {
    .container {
        max-width: var(--container-lg);
    }
    
    .services-grid,
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 平板 (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
    .container {
        max-width: var(--container-md);
    }
    
    .navbar {
        padding: 15px 0;
    }
    
    .nav-menu {
        gap: 15px;
    }
    
    .hero-content {
        padding: 60px 0;
    }
    
    .hero h1 {
        font-size: 2.25rem;
    }
    
    .services-grid,
    .solutions-grid,
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-content {
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 手機 (480px - 767px) */
@media (min-width: 480px) and (max-width: 767px) {
    .container {
        padding: 0 20px;
    }
    
    .hero h1 {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .hero p {
        font-size: 1.125rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .btn-large {
        padding: 14px 28px;
        font-size: 16px;
    }
    
    .login-container {
        margin: 60px auto;
        padding: 30px;
    }
}

/* 小手機 (< 480px) */
@media (max-width: 479px) {
    .container {
        padding: 0 15px;
    }
    
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 10px 18px;
        font-size: 14px;
    }
    
    .login-container {
        margin: 40px 15px;
        padding: 25px 20px;
    }
    
    .login-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
}

/* 橫向手機 */
@media (max-height: 600px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 40px 0;
    }
    
    .hero-content {
        padding: 20px 0;
    }
    
    .login-container {
        margin: 20px auto;
        max-height: 90vh;
        overflow-y: auto;
    }
}

/* 高 DPI 螢幕 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo a {
        font-weight: 600;
    }
    
    .btn {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* 觸控裝置優化 */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    input,
    select,
    textarea {
        font-size: 16px; /* 防止 iOS 縮放 */
    }
    
    .nav-menu li a {
        padding: 12px 16px;
        display: block;
    }
}

/* 摺疊裝置 */
@media (max-width: 280px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 10px;
    }
    
    .hero h1 {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 13px;
    }
}

/* 列印優化 */
@media print {
    @page {
        margin: 1cm;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    h1, h2, h3, h4 {
        page-break-after: avoid;
    }
    
    .page-break {
        page-break-before: always;
    }
    
    a {
        color: #000;
        text-decoration: underline;
    }
    
    a[href^="http"]:after {
        content: " (" attr(href) ")";
        font-size: 90%;
    }
    
    img {
        max-width: 100% !important;
        page-break-inside: avoid;
    }
    
    table {
        page-break-inside: avoid;
    }
}

/* 動畫性能優化 */
@media (prefers-reduced-motion: no-preference) {
    .fade-in {
        animation: fadeIn 0.5s ease-out;
    }
    
    .slide-up {
        animation: slideUp 0.5s ease-out;
    }
    
    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }
    
    @keyframes slideUp {
        from {
            transform: translateY(20px);
            opacity: 0;
        }
        to {
            transform: translateY(0);
            opacity: 1;
        }
    }
}

/* 網格系統響應式 */
.grid-responsive {
    display: grid;
    gap: var(--spacing-lg);
}

@media (min-width: 640px) {
    .grid-responsive {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .grid-responsive {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1280px) {
    .grid-responsive {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* 卡片響應式 */
.card-responsive {
    display: flex;
    flex-direction: column;
    height: 100%;
}

@media (max-width: 767px) {
    .card-responsive {
        margin-bottom: var(--spacing-lg);
    }
}

/* 導航欄響應式 */
.nav-responsive {
    display: flex;
    align-items: center;
}

@media (max-width: 1023px) {
    .nav-responsive {
        flex-wrap: wrap;
    }
    
    .nav-menu-responsive {
        order: 3;
        width: 100%;
        margin-top: var(--spacing-md);
    }
}

/* 表單響應式 */
.form-responsive .form-group {
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .form-responsive .form-row {
        display: flex;
        gap: var(--spacing-md);
    }
    
    .form-responsive .form-row .form-group {
        flex: 1;
    }
}

/* 頁尾響應式 */
.footer-responsive {
    display: grid;
    gap: var(--spacing-xl);
}

@media (min-width: 768px) {
    .footer-responsive {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-responsive {
        grid-template-columns: repeat(4, 1fr);
    }
}