/* Responsive Styles - Theme-Aware Glassmorphism */

/* ============================================
   TABLET (1024px)
   ============================================ */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-5);
    }
    
    .navbar .container {
        padding: var(--spacing-3) var(--spacing-5);
    }
    
    .nav-menu {
        gap: var(--spacing-6);
    }
    
    .nav-link {
        font-size: var(--font-size-xs);
        letter-spacing: 0.12em;
    }
    
    .hero-title {
        font-size: var(--font-size-5xl);
    }
    
    .roadmaps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-10);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-10);
    }
    
    /* Google-style search bar for tablet */
    .search-wrapper {
        max-width: 90%;
        padding: 0 20px;
    }
    
    .search-container {
        padding: 6px 14px;
        min-height: 42px;
    }
    
    .search-input {
        font-size: 15px;
    }
    
    .search-btn {
        padding: 7px 16px;
        font-size: 13px;
    }
}

/* ============================================
   TABLET - Show mobile menu (900px)
   ============================================ */
@media (max-width: 900px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: calc(100% + var(--spacing-3));
        left: var(--spacing-4);
        right: var(--spacing-4);
        background: var(--glass-bg-strong);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-4);
        border-radius: var(--border-radius-xl);
        border: 1px solid var(--glass-border);
        box-shadow: var(--shadow-xl);
        z-index: 999;
        min-width: 200px;
    }
    
    .nav-menu.active {
        display: flex;
        animation: slideDown 0.3s ease;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .nav-menu .nav-link {
        padding: var(--spacing-3) var(--spacing-4);
        font-size: var(--font-size-base);
        text-align: center;
        border-radius: var(--border-radius-lg);
        transition: all var(--transition-fast);
    }
    
    .nav-menu .nav-link:hover {
        background: var(--glass-bg-hover);
        color: var(--color-primary);
    }
    
    .mobile-menu-toggle {
        display: flex;
        margin-left: var(--spacing-2);
    }
    
    .nav-actions {
        gap: var(--spacing-3);
    }
    
    /* Adjust theme toggle for mobile */
    .theme-toggle {
        width: 36px;
        height: 36px;
    }
    
    .theme-toggle .material-symbols-outlined {
        font-size: 18px;
    }
}

/* ============================================
   MOBILE (768px)
   ============================================ */
@media (max-width: 768px) {
    .navbar {
        padding: var(--spacing-3);
    }
    
    .navbar .container {
        padding: var(--spacing-3) var(--spacing-4);
    }
    
    .nav-actions .btn-primary {
        padding: 8px 16px;
        font-size: var(--font-size-xs);
    }
    
    .nav-actions .nav-actions-text {
        display: none;
    }
    
    .hero {
        padding: calc(70px + var(--spacing-8)) var(--spacing-5) var(--spacing-8);
        min-height: 100vh;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-title .line-1,
    .hero-title .line-2 {
        font-size: inherit;
    }
    
    .search-wrapper {
        max-width: 100%;
        padding: 0 16px;
        margin-bottom: var(--spacing-6);
    }
    
    .search-container {
        padding: 6px 12px;
        min-height: 40px;
        border-radius: 20px;
    }
    
    .search-icon {
        padding: 0 8px 0 2px;
        font-size: 18px;
    }
    
    .search-input {
        padding: 2px 0;
        font-size: 14px;
        min-height: 32px;
    }
    
    .search-input::placeholder {
        font-size: 14px;
    }
    
    .search-btn {
        padding: 6px 14px;
        font-size: 13px;
        margin-left: 6px;
        min-height: 32px;
    }
    
    .trending-container {
        flex-direction: column;
        gap: var(--spacing-3);
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-4);
    }
    
    .roadmaps-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-10);
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-10);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-4);
        text-align: center;
    }
    
    /* Search results on mobile */
    .search-results {
        max-height: 300px;
        margin-top: var(--spacing-2);
    }
    
    .search-result-item {
        padding: var(--spacing-3) var(--spacing-4);
    }
    
    .search-result-item .result-icon {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }
}

/* ============================================
   SMALL MOBILE (480px)
   ============================================ */
@media (max-width: 480px) {
    .hero {
        padding: calc(60px + var(--spacing-6)) var(--spacing-4) var(--spacing-6);
        min-height: 100vh;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-title .line-1,
    .hero-title .line-2 {
        font-size: inherit;
    }
    
    .section-title-wrapper h2,
    .features-header h2,
    .cta-title {
        font-size: var(--font-size-xl);
    }
    
    /* Google-style search bar for small screens */
    .search-wrapper {
        padding: 0 12px;
    }
    
    .search-container {
        padding: 4px 10px;
        min-height: 36px;
        border-radius: 18px;
    }
    
    .search-icon {
        padding: 0 6px 0 2px;
        font-size: 16px;
    }
    
    .search-input {
        padding: 2px 0;
        font-size: 13px;
        min-height: 28px;
    }
    
    .search-input::placeholder {
        font-size: 13px;
    }
    
    .search-btn {
        padding: 4px 10px;
        font-size: 12px;
        margin-left: 4px;
        min-height: 28px;
    }
    
    /* Roadmap items on small screens */
    .roadmap-item {
        padding: var(--spacing-4);
    }
    
    .roadmap-icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    
    /* Footer adjustments */
    .footer-column h4 {
        font-size: var(--font-size-xs);
    }
    
    .footer-link {
        font-size: var(--font-size-xs);
    }
    
    /* Modal adjustments */
    .modal-content {
        padding: var(--spacing-8);
        margin: var(--spacing-4);
    }
    
    .modal-icon {
        font-size: 36px;
    }
    
    .modal-title {
        font-size: var(--font-size-lg);
    }
}

/* ============================================
   EXTRA SMALL MOBILE (360px)
   ============================================ */
@media (max-width: 360px) {
    .search-wrapper {
        padding: 0 10px;
    }
    
    .search-container {
        padding: 3px 8px;
        min-height: 34px;
        border-radius: 17px;
    }
    
    .search-icon {
        font-size: 14px;
    }
    
    .search-input {
        font-size: 12px;
        min-height: 26px;
    }
    
    .search-input::placeholder {
        font-size: 12px;
    }
    
    .search-btn {
        padding: 3px 8px;
        font-size: 11px;
        min-height: 26px;
    }
    
    /* Nav brand adjustments */
    .nav-brand {
        font-size: var(--font-size-base);
    }
    
    .nav-brand-icon {
        width: 24px;
        height: 24px;
        font-size: 10px;
    }
    
    /* Theme toggle extra small */
    .theme-toggle {
        width: 32px;
        height: 32px;
    }
    
    .theme-toggle .material-symbols-outlined {
        font-size: 16px;
    }
}

/* ============================================
   HIGH CONTRAST MODE (Accessibility)
   ============================================ */
@media (prefers-contrast: high) {
    .nav-menu {
        border-width: 2px;
    }
    
    .roadmap-item,
    .roadmap-card,
    .phase-card,
    .stat-badge {
        border-width: 2px;
    }
    
    .btn {
        border: 2px solid currentColor;
    }
}

/* ============================================
   REDUCED MOTION (Accessibility)
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    .nav-menu.active {
        animation: none;
    }
    
    .search-container,
    .roadmap-item,
    .roadmap-card,
    .stat-badge,
    .phase-card {
        transition: none;
    }
}