/* ═══════════════════════════════════════════════════════════════
   ZSG PREMIUM — RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */

/* ── Extra Large (≤1280px) ── */
@media (max-width: 1280px) {
    .highlight-card {
        gap: 40px;
    }
    .ai-grid {
        gap: 40px;
    }
}

/* ── Large (≤1024px) ── */
@media (max-width: 1024px) {
    .footer-main {
        grid-template-columns: 1fr 1fr;
    }

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

    .highlight-visual {
        order: -1;
        max-width: 400px;
        margin: 0 auto;
    }

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

    .ai-visual {
        order: -1;
    }

    .ai-brain-graphic {
        max-width: 300px;
    }

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

/* ── Medium (≤900px) ── */
@media (max-width: 900px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        flex-direction: column;
        background: rgba(2, 4, 10, 0.98);
        padding: 100px 30px 30px;
        backdrop-filter: blur(20px);
        z-index: 999;
        align-items: center;
        justify-content: center;
        gap: 0;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        padding: 20px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        width: 100%;
        text-align: center;
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links .nav-link {
        font-size: 1.2rem;
    }

    .nav .btn-cta {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .values-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

    .presence-grid {
        gap: 30px;
    }

    .presence-divider {
        display: none;
    }

    .ai-capabilities {
        grid-template-columns: 1fr;
    }

    .footer-main {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        align-items: center;
    }

    .footer-brand-text {
        text-align: center;
    }

    .footer-contact-item {
        justify-content: center;
    }

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

    .footer-legal {
        justify-content: center;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
}

/* ── Small (≤768px) ── */
@media (max-width: 768px) {
    .hero {
        padding: 100px 0 60px;
    }

    .hero-badge {
        margin-bottom: 24px;
    }

    .hero-subtitle {
        margin-bottom: 36px;
    }

    .scroll-indicator {
        bottom: 20px;
    }

    .section-header {
        margin-bottom: 50px;
    }

    .highlight-badge-container {
        padding: 35px 25px;
    }

    .pricing-card {
        padding: 40px 28px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .stat-value {
        font-size: 2rem;
    }
}

/* ── Extra Small (≤480px) ── */
@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .page-hero-title {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.4rem;
    }

    .service-card {
        padding: 35px 25px;
    }

    .pillar-card {
        padding: 30px 24px;
    }

    .logo-svg {
        height: 40px;
    }

    .btn-primary,
    .btn-outline {
        padding: 16px 30px;
        width: 100%;
        text-align: center;
    }

    .prose-lead {
        font-size: 1.1rem;
        padding-left: 20px;
    }

    .prose-paragraph {
        font-size: 0.95rem;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* ── Body lock when menu is open ── */
body.menu-open {
    overflow: hidden;
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal, .reveal-left, .reveal-right, .reveal-scale {
        opacity: 1 !important;
        transform: none !important;
    }

    #hero-canvas {
        display: none;
    }
}