/* ============================================
   JORGE TRADE INC - 响应式样式
   适配PC、平板和移动设备
   ============================================ */

/* ===== 大型平板和小型桌面 (992px - 1199px) ===== */
@media (max-width: 1199px) {
    .container {
        max-width: 960px;
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== 平板设备 (768px - 991px) ===== */
@media (max-width: 991px) {
    .container {
        max-width: 720px;
    }
    
    /* 导航栏响应式 */
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(15px);
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 40px;
        transition: var(--transition-medium);
        z-index: 999;
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-links {
        flex-direction: column;
        align-items: center;
        gap: 0;
        width: 100%;
    }
    
    .nav-links li {
        width: 100%;
        text-align: center;
    }
    
    .nav-links a {
        display: block;
        padding: 15px 20px;
        font-size: 1.1rem;
    }
    
    .language-switcher {
        margin: 30px 0;
        justify-content: center;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    /* 英雄区域 */
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    /* 关于页面 */
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* 服务页面 */
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    /* 案例详情页 */
    .case-detail-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    /* 联系页面 */
    .contact-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    /* 页脚 */
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== 移动设备 (576px - 767px) ===== */
@media (max-width: 767px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .section-title h2,
    .page-title h1 {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .image-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .main-image {
        height: 300px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* ===== 小型移动设备 (小于576px) ===== */
@media (max-width: 575px) {
    .hero {
        padding: 80px 0 40px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title h2,
    .page-title h1 {
        font-size: 1.8rem;
    }
    
    .section-title p,
    .page-title p {
        font-size: 1rem;
    }
    
    .feature-card,
    .service-card,
    .case-card,
    .contact-form {
        padding: 30px 20px;
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 0.95rem;
    }
    
    .case-meta {
        flex-direction: column;
        gap: 10px;
    }
    
    .image-grid {
        grid-template-columns: 1fr;
    }
    
    .image-grid img {
        height: 150px;
    }
    
    .main-image {
        height: 250px;
    }
    
    .contact-form {
        padding: 25px 20px;
    }
    
    .header {
        padding: 15px 0;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    .logo-subtext {
        font-size: 1rem;
    }
}

/* ===== 超小设备 (小于400px) ===== */
@media (max-width: 400px) {
    .hero-title {
        font-size: 1.6rem;
    }
    
    .section-title h2,
    .page-title h1 {
        font-size: 1.6rem;
    }
    
    .feature-icon,
    .service-icon {
        font-size: 2rem;
    }
    
    .hero-buttons {
        gap: 10px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}

/* ===== 平板横屏优化 ===== */
@media (min-width: 768px) and (max-width: 991px) and (orientation: landscape) {
    .nav-menu {
        top: 70px;
        height: calc(100vh - 70px);
    }
    
    .hero {
        min-height: 80vh;
    }
}

/* ===== 高分辨率设备优化 ===== */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}

/* ===== 打印样式 ===== */
@media print {
    .header,
    .footer,
    .btn,
    .mobile-toggle {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    .hero,
    .page-content {
        padding: 20px 0 !important;
    }
    
    a {
        color: black !important;
        text-decoration: underline;
    }
}