/* ========================================================
   Space Tour Tech — Responsive Optimization (Tablet & Mobile)
   Breakpoints: 1200px, 992px, 768px, 480px
======================================================== */

@media (max-width: 1200px) {
    .hero-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 35px;
    }
}

@media (max-width: 992px) {
    :root {
        --header-height: 75px;
    }

    .nav-toggle-btn {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: rgba(8, 12, 24, 0.98);
        backdrop-filter: blur(25px);
        -webkit-backdrop-filter: blur(25px);
        border-bottom: 1px solid var(--cyan-border);
        padding: 30px 24px;
        flex-direction: column;
        align-items: stretch;
        gap: 18px;
        transform: translateY(-120%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
        z-index: 999;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
    }

    .nav-menu.is-active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-link {
        font-size: 1.1rem;
        padding: 12px 16px;
        border-radius: var(--radius-sm);
        display: block;
    }

    .nav-link:hover, .nav-link.active {
        background: rgba(37, 99, 235, 0.12);
        color: var(--cyan);
    }

    .nav-link::after {
        display: none;
    }

    .why-us-grid {
        grid-template-columns: 1fr;
        gap: 35px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 35px;
    }

    [dir="ltr"] .hero-grid {
        text-align: center;
    }

    .hero-badges-group, .hero-actions-group {
        justify-content: center;
    }

    .hero-visual-col {
        order: -1;
    }

    .hero-tech-visual-wrap {
        max-width: 320px;
        margin: 0 auto;
    }

    .floating-tech-badge.badge-1 {
        top: 0;
        right: 0;
    }

    .floating-tech-badge.badge-2 {
        bottom: 0;
        right: 0;
    }

    .floating-tech-badge.badge-3 {
        left: 0;
        top: 50%;
    }

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

    .consultation-box {
        grid-template-columns: 1fr;
        padding: 35px 24px;
        gap: 35px;
    }
}

@media (max-width: 768px) {
    .section-padding {
        padding: 65px 0;
    }

    .hero-section {
        padding: calc(var(--header-height) + 30px) 0 60px;
    }

    .hero-title {
        font-size: 2.1rem;
    }

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

    .hero-actions-group {
        flex-direction: column;
        width: 100%;
    }

    .hero-actions-group .btn {
        width: 100%;
    }

    .hero-metrics-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .metric-card {
        padding: 18px 12px;
    }

    .metric-number {
        font-size: 1.8rem;
    }

    .services-grid,
    .articles-grid,
    .industries-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-bottom-bar {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }

    .whatsapp-float-btn {
        bottom: 20px;
        right: 20px;
        width: 54px;
        height: 54px;
    }

    [dir="rtl"] .whatsapp-float-btn {
        right: auto;
        left: 20px;
    }

    .scroll-top-btn {
        bottom: 85px;
        right: 24px;
        width: 40px;
        height: 40px;
    }

    [dir="rtl"] .scroll-top-btn {
        right: auto;
        left: 24px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.85rem;
    }

    .brand-logo-img {
        height: 38px;
    }

    .hero-metrics-grid {
        grid-template-columns: 1fr;
    }

    .consultation-box {
        padding: 24px 16px;
    }
}