/**
 * Sakarya Klima Servisi - Responsive CSS Breakpoints
 */

/* Mobile Nav Drawer */
.mobile-nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
    border-radius: var(--radius-sm);
    background-color: var(--color-bg-alt);
}

.mobile-nav-toggle svg {
    width: 24px;
    height: 24px;
}

.mobile-drawer {
    position: fixed;
    top: 0;
    right: 0;
    left: auto;
    width: min(320px, 85vw);
    height: 100%;
    background-color: #ffffff;
    z-index: 10001;
    box-shadow: -4px 0 25px rgba(0, 0, 0, 0.18);
    padding: var(--spacing-6);
    transform: translateX(100%);
    transition: transform var(--transition-smooth);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.mobile-drawer.active {
    transform: translateX(0);
}

.mobile-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 10000;
    display: none;
}

.mobile-drawer-overlay.active {
    display: block;
}

.mobile-drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-6);
    padding-bottom: var(--spacing-4);
    border-bottom: 1px solid var(--color-border);
}

.mobile-drawer-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--color-bg-alt);
    color: var(--color-secondary);
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-secondary);
    border-radius: var(--radius-md);
    background-color: var(--color-bg-main);
}

.mobile-nav-link:hover, .mobile-nav-link.active {
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
}

/* Medium Laptops & Tablets Landscape (992px - 1240px) */
@media (min-width: 992px) and (max-width: 1240px) {
    .nav-menu {
        gap: 0.15rem;
    }
    .nav-link {
        padding: 0.45rem 0.5rem;
        font-size: 0.85rem;
    }
    .header-actions .btn {
        padding: 0.55rem 0.85rem;
        font-size: 0.82rem;
    }
    .logo-title {
        font-size: 1.12rem;
    }
}

/* Tablets & Mobile (max 991px) */
@media (max-width: 991px) {
    .nav-menu {
        display: none;
    }

    .mobile-nav-toggle {
        display: inline-flex;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-trust-row {
        justify-content: center;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-8);
    }

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

/* Small Mobile Screens (max 640px) */
@media (max-width: 640px) {
    .top-bar {
        display: none;
    }

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

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

    .header-actions .btn {
        display: none;
    }

    .section {
        padding-top: var(--spacing-10);
        padding-bottom: var(--spacing-10);
    }

    .form-card, .btu-calculator-box {
        padding: var(--spacing-5);
    }

    .hero-section {
        padding: var(--spacing-10) 0 var(--spacing-12);
    }

    .btn-group-row {
        gap: 0.5rem;
    }

    .btn-group-row .btn {
        padding: 0.65rem 0.4rem;
        font-size: 0.82rem;
        min-height: 44px;
    }

    .showcase-content-box {
        padding: 1.75rem 1.25rem !important;
    }
}