/* LOVE DENSITY - Responsive Stylesheet */

/* ============================================
   Media Queries - Mobile First Approach
   ============================================ */

/* Extra Small Devices (phones, 320px and up) */
@media (max-width: 575.98px) {
    :root {
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --font-size-2xl: 1.25rem;
        --spacing-xxl: 2rem;
        --spacing-xl: 1.5rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--color-bg-primary);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--spacing-xl);
        transition: left 0.3s ease;
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active {
        left: 0;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .section {
        padding: var(--spacing-xl) 0;
    }

    .hero-content h1 {
        font-size: var(--font-size-3xl);
    }

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

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

    .btn {
        width: 100%;
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .form-group {
        margin-bottom: var(--spacing-sm);
    }

    /* Search page filters */
    .filters-sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 280px;
        height: 100vh;
        z-index: 1000;
        transition: left 0.3s ease;
        overflow-y: auto;
        box-shadow: var(--shadow-xl);
    }

    .filters-sidebar.active {
        left: 0;
    }

    /* Search page grid layout for mobile */
    .container-wide > div[style*="grid-template-columns: 280px"] {
        grid-template-columns: 1fr !important;
    }

    .profiles-container {
        width: 100%;
    }

    /* Profile page grid */
    .profile-content > div[style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }
}

/* Small Devices (landscape phones, 576px and up) */
@media (min-width: 576px) and (max-width: 767.98px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .nav-menu {
        gap: var(--spacing-md);
    }
}

/* Medium Devices (tablets, 768px and up) */
@media (min-width: 768px) and (max-width: 991.98px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-content h1 {
        font-size: var(--font-size-4xl);
    }

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

/* Large Devices (desktops, 992px and up) */
@media (min-width: 992px) and (max-width: 1199.98px) {
    .card-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Extra Large Devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
    .card-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ============================================
   Tablet Specific Styles
   ============================================ */
@media (min-width: 768px) and (max-width: 1023px) {
    .container {
        max-width: 720px;
    }

    .nav-menu {
        gap: var(--spacing-md);
    }

    .nav-link {
        font-size: var(--font-size-sm);
    }
}

/* ============================================
   Desktop Specific Styles
   ============================================ */
@media (min-width: 1024px) {
    .mobile-menu-toggle {
        display: none;
    }

    .nav-menu {
        display: flex;
    }
}

/* ============================================
   Landscape Orientation
   ============================================ */
@media (orientation: landscape) and (max-height: 500px) {
    .hero {
        min-height: auto;
        padding: var(--spacing-xl) 0;
    }

    .section {
        padding: var(--spacing-lg) 0;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .header,
    .footer,
    .btn,
    .mobile-menu-toggle {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
        background: #fff;
    }

    a {
        color: #000;
        text-decoration: underline;
    }
}

/* ============================================
   High DPI Displays
   ============================================ */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo-icon,
    .card-image {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* ============================================
   Touch Device Optimizations
   ============================================ */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .card,
    .nav-link {
        min-height: 44px;
        min-width: 44px;
    }

    .card-hover:hover {
        transform: none;
    }

    .hover-lift:hover {
        transform: none;
    }
}

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

/* ============================================
   Dark Mode Support (Future Enhancement)
   ============================================ */
@media (prefers-color-scheme: dark) {
    /* Can be implemented later if needed */
}