/* ============================================
   RESPONSIVE STYLES
   ============================================ */

/* Tablet: 768px - 991px */
@media (max-width: 991.98px) {
    :root {
        --space-24: 3.4rem;
        --space-20: 3rem;
        --space-16: 2.5rem;
    }
    
    .section__title {
        font-size: var(--text-2xl);
    }
    
    .navbar-collapse {
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(20px);
        padding: 1.25rem;
        border-radius: var(--radius-lg);
        margin-top: 0.85rem;
        border: 1px solid rgba(255, 255, 255, 0.06);
    }
    
    .nav-link::after {
        left: 0;
        right: auto;
        width: 0;
        height: 2px;
        transition: width var(--transition-base);
    }
    
    .nav-link:hover::after,
    .nav-link.active::after {
        transform: none;
        width: 1.75rem;
    }
    
    .hero__stats {
        gap: var(--space-5);
    }
    
    .hero__stat-divider {
        display: none;
    }
    
    .hero__stat-number,
    .hero__stat-suffix {
        font-size: var(--text-xl);
    }
    
    .feature-card {
        padding: var(--space-5);
    }
    
    .footer__main {
        padding: var(--space-12) 0 var(--space-10);
    }
}

/* Mobile: 0 - 767px */
@media (max-width: 767.98px) {
    :root {
        --space-24: 2.5rem;
        --space-20: 2.1rem;
        --space-16: 1.7rem;
        --space-12: 1.25rem;
        --container-padding: 0.85rem;
    }
    
    .section {
        padding: var(--space-12) 0;
    }
    
    .section__header {
        margin-bottom: var(--space-8);
    }
    
    .section__title {
        font-size: var(--text-xl);
        letter-spacing: -0.5px;
    }
    
    .section__subtitle {
        font-size: var(--text-sm);
    }
    
    .btn-lg {
        padding: 0.75rem 1.75rem;
        font-size: var(--text-xs);
    }
    
    .navbar-brand__icon {
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }
    
    .navbar-brand__title {
        font-size: 1rem;
    }
    
    .navbar-brand__subtitle {
        font-size: 0.55rem;
    }
    
    .hero {
        min-height: auto;
        padding: 100px 0 50px;
    }
    
    .hero__badge {
        padding: 0.3rem 0.85rem;
        margin-bottom: var(--space-3);
    }
    
    .hero__title {
        letter-spacing: -1px;
        margin-bottom: var(--space-3);
    }
    
    .hero__subtitle {
        margin-bottom: var(--space-5);
    }
    
    .hero__actions {
        margin-bottom: var(--space-8);
    }
    
    .hero__actions .btn {
        width: 100%;
        margin-right: 0 !important;
    }
    
    .hero__stats {
        flex-direction: column;
        gap: var(--space-3);
        max-width: 100%;
    }
    
    .hero__stat {
        display: flex;
        align-items: center;
        gap: var(--space-2);
        text-align: left;
        width: 100%;
        max-width: 180px;
    }
    
    .hero__stat-label {
        margin-top: 0;
        font-size: var(--text-xs);
    }
    
    .hero__scroll {
        display: none;
    }
    
    .feature-card__icon {
        width: 52px;
        height: 52px;
        font-size: 1.3rem;
    }
    
    .product-card__content {
        padding: var(--space-3);
    }
    
    .market-card__flag {
        font-size: 1.75rem;
    }
    
    .cert-card {
        padding: var(--space-5) var(--space-3);
    }
    
    .contact-cta__title {
        margin-bottom: var(--space-3);
    }
    
    .contact-cta .btn-lg {
        width: 100%;
        margin-right: 0 !important;
        margin-bottom: var(--space-2);
    }
    
    .footer__main {
        padding: var(--space-10) 0 var(--space-6);
    }
    
    .footer__bottom {
        text-align: center;
    }
    
    .footer__copyright,
    .footer__credit {
        text-align: center;
    }
    
    .back-to-top {
        width: 40px;
        height: 40px;
    }

    .floating-whatsapp {
        width: 40px;
        height: 40px;
    }

    .rfq-float {
        width: 48px;
        height: 48px;
    }
}

/* Small Mobile: 0 - 575px */
@media (max-width: 575.98px) {
    .hero__title {
        font-size: 1.75rem;
    }
    
    .section__title {
        font-size: 1.5rem;
    }
    
    .market-card {
        padding: var(--space-4) var(--space-3);
    }
    
    .market-card__name {
        font-size: var(--text-xs);
    }
}

/* Laptop: 992px - 1399px */
@media (min-width: 992px) and (max-width: 1399.98px) {
    .hero__title {
        font-size: var(--text-5xl);
    }
}

/* Desktop: 1400px+ */
@media (min-width: 1400px) {
    .container {
        max-width: var(--container-max);
    }
    
    .hero__title {
        font-size: var(--text-6xl);
    }
}