/**
 * OBX Labs - Responsive Styles
 * 
 * Mobile-first responsive breakpoints.
 */

/* Mobile (up to 640px) - Default styles in other files */

/* Small devices (640px and up) */
@media (min-width: 640px) {
    .container {
        padding-left: var(--space-6);
        padding-right: var(--space-6);
    }
    
    h1 {
        font-size: var(--text-4xl);
    }
    
    .grid-2-sm {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Medium devices (768px and up) */
@media (min-width: 768px) {
    :root {
        --navbar-height: 80px;
    }
    
    .section {
        padding-top: var(--space-20);
        padding-bottom: var(--space-20);
    }
    
    .section-lg {
        padding-top: var(--space-32);
        padding-bottom: var(--space-32);
    }
    
    h1 {
        font-size: var(--text-5xl);
    }
    
    h2 {
        font-size: var(--text-4xl);
    }
    
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-3-md {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Footer responsive */
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

/* Large devices (1024px and up) */
@media (min-width: 1024px) {
    .container {
        padding-left: var(--space-8);
        padding-right: var(--space-8);
    }
    
    h1 {
        font-size: var(--text-6xl);
    }
    
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .grid-4-lg {
        grid-template-columns: repeat(4, 1fr);
    }
    
    /* Show desktop nav, hide mobile */
    .navbar-nav,
    .navbar-actions {
        display: flex;
    }
    
    .navbar-toggle {
        display: none;
    }
}

/* Extra large devices (1280px and up) */
@media (min-width: 1280px) {
    .grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* 2XL devices (1440px and up) */
@media (min-width: 1440px) {
    .container {
        max-width: var(--container-2xl);
    }
}

/* Mobile specific (below 1024px) */
@media (max-width: 1023px) {
    /* Hide desktop nav */
    .navbar-nav {
        display: none;
    }
    
    .navbar-actions .btn {
        display: none;
    }
    
    .navbar-actions .language-switcher {
        display: none;
    }
    
    /* Show mobile toggle */
    .navbar-toggle {
        display: flex;
    }
    
    /* Grids become single column on mobile */
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* Small mobile (below 640px) */
@media (max-width: 639px) {
    :root {
        --navbar-height: 64px;
    }
    
    .navbar-logo img {
        height: 36px;
    }
    
    .container {
        padding-left: var(--space-4);
        padding-right: var(--space-4);
    }
    
    h1 {
        font-size: var(--text-3xl);
    }
    
    h2 {
        font-size: var(--text-2xl);
    }
    
    h3 {
        font-size: var(--text-xl);
    }
    
    .section {
        padding-top: var(--space-12);
        padding-bottom: var(--space-12);
    }
    
    .section-header {
        margin-bottom: var(--space-8);
    }
    
    .section-header p {
        font-size: var(--text-base);
    }
    
    /* Buttons full width on small mobile */
    .btn-full-mobile {
        width: 100%;
        justify-content: center;
    }
    
    /* Footer adjustments */
    .footer {
        padding: var(--space-12) 0 var(--space-6);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .footer-brand {
        max-width: 100%;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
    
    .footer-legal {
        justify-content: center;
    }
}

/* Extra small (320px) */
@media (max-width: 359px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding-left: var(--space-3);
        padding-right: var(--space-3);
    }
}

/* Tablet portrait (768px to 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Sharper borders */
    .card {
        border-width: 0.5px;
    }
}

/* Print styles */
@media print {
    .navbar,
    .footer,
    .btn {
        display: none !important;
    }
    
    .main-content {
        padding-top: 0;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}

/* Touch device adjustments */
@media (hover: none) and (pointer: coarse) {
    /* Larger touch targets */
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .navbar-link {
        padding: var(--space-3) var(--space-4);
    }
    
    .form-input,
    .form-select,
    .form-textarea {
        font-size: 16px; /* Prevents iOS zoom */
    }
}

/* Landscape orientation on mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .navbar {
        height: 56px;
    }
    
    .main-content {
        padding-top: 56px;
    }
    
    .section {
        padding-top: var(--space-8);
        padding-bottom: var(--space-8);
    }
}