/**
 * Rainbow AIoT Theme - Responsive Styles
 * 响应式样式
 *
 * @package Rainbow_AIoT
 */

/* ===== 平板端（max-width: 1024px） ===== */
@media (max-width: 1024px) {
    .nav {
        padding: 0 32px;
    }

    .hero {
        padding: 140px 32px 100px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .container {
        padding: 0 32px;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

/* ===== 手机端（max-width: 768px） ===== */
@media (max-width: 768px) {
    .nav {
        padding: 0 24px;
        height: 70px;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 32px 24px;
        gap: 24px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-mobile-toggle {
        display: flex;
        flex-direction: column;
        gap: 6px;
        background: none;
        border: none;
        cursor: pointer;
        padding: 4px;
    }

    .nav-mobile-toggle span {
        width: 24px;
        height: 2px;
        background: var(--text);
        transition: all 0.3s ease;
    }

    .nav-mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .nav-mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .hero {
        padding: 120px 24px 80px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

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

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

    .container {
        padding: 0 24px;
    }

    .section-full {
        padding: 80px 24px;
    }

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

    .footer {
        padding: 60px 0 40px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

/* ===== 小屏手机（max-width: 480px） ===== */
@media (max-width: 480px) {
    .nav {
        padding: 0 20px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-cta-primary,
    .hero-cta-secondary {
        width: 100%;
        text-align: center;
    }

    .section-title {
        font-size: 1.75rem;
    }
}

/* ===== 打印样式 ===== */
@media print {
    .nav,
    .nav-mobile-toggle,
    .hero-video-container {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: 40px 0;
    }

    .footer {
        background: #f5f5f5;
        color: #333;
    }
}