/* 響應式設計 */

/* 平板設備 (768px - 1024px) */
@media (max-width: 1024px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .about-content {
        gap: 40px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .works-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

/* 手機設備 (最大 768px) */
@media (max-width: 768px) {
    /* 導航欄 */
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 50px;
        transition: left 0.3s ease;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 30px;
    }
    
    .nav-link {
        font-size: 1.2rem;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    /* 主橫幅 */
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .hero-buttons .btn {
        width: 200px;
    }
    
    /* 頁面橫幅 */
    .page-banner {
        height: 50vh;
    }
    
    .banner-content h1 {
        font-size: 2.2rem;
    }
    
    .banner-content p {
        font-size: 1rem;
    }
    
    /* 區塊標題 */
    .section-header h2 {
        font-size: 2rem;
    }
    
    .section-header p {
        font-size: 1rem;
    }
    
    /* 服務網格 */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .service-card {
        padding: 30px 20px;
    }
    
    /* 關於我們 */
    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .about-text h2 {
        font-size: 2rem;
    }
    
    /* 作品網格 */
    .works-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    /* 頁腳 */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    /* CTA區塊 */
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .cta-content p {
        font-size: 1rem;
    }
}

/* 小手機設備 (最大 480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    /* 導航欄 */
    .nav-logo h2 {
        font-size: 24px;
    }
    
    /* 主橫幅 */
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    /* 頁面橫幅 */
    .banner-content h1 {
        font-size: 1.8rem;
    }
    
    /* 區塊標題 */
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    /* 服務卡片 */
    .service-card {
        padding: 25px 15px;
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 20px;
    }
    
    .service-icon i {
        font-size: 1.5rem;
    }
    
    .service-card h3 {
        font-size: 1.3rem;
    }
    
    /* 關於我們 */
    .about-text h2 {
        font-size: 1.8rem;
    }
    
    /* 按鈕 */
    .btn {
        padding: 10px 25px;
        font-size: 14px;
    }
    
    .btn-large {
        padding: 14px 30px;
        font-size: 16px;
    }
    
    /* 間距調整 */
    .services-overview,
    .about-preview,
    .featured-works,
    .testimonials,
    .cta-section {
        padding: 60px 0;
    }
    
    /* CTA區塊 */
    .cta-content h2 {
        font-size: 1.8rem;
    }
}

/* 關於頁面特定樣式 */
@media (max-width: 768px) {
    .company-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .equipment-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
}

@media (max-width: 480px) {
    .company-stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* 服務頁面特定樣式 */
@media (max-width: 768px) {
    .services-nav {
        overflow-x: auto;
        padding: 0 10px;
    }
    
    .service-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .service-content.reverse {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
}

@media (max-width: 480px) {
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

/* 作品頁面特定樣式 */
@media (max-width: 768px) {
    .portfolio-filters {
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 14px;
    }
    
    .youtube-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .awards-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .clients-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

/* 聯絡頁面特定樣式 */
@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .faq-container {
        padding: 0 10px;
    }
}

/* 表單響應式 */
@media (max-width: 480px) {
    .contact-form {
        padding: 20px 15px;
    }
    
    .form-header h2 {
        font-size: 1.8rem;
    }
    
    .form-group label {
        font-size: 14px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 12px;
        font-size: 14px;
    }
}

/* 通用響應式工具類 */
.hidden-mobile {
    display: block;
}

.visible-mobile {
    display: none;
}

@media (max-width: 768px) {
    .hidden-mobile {
        display: none;
    }
    
    .visible-mobile {
        display: block;
    }
}

/* 滾動條樣式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #2563eb;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #1d4ed8;
}