/**
 * TavaCam Responsive Optimization
 * Version: 1.0
 * Mobile-first approach with optimized spacing and typography
 */

/* ============================================
   MOBILE FONT OPTIMIZATION (< 640px)
   ============================================ */

/* Base font size - smaller for mobile to fit more content */
@media (max-width: 640px) {
    body {
        font-size: 14px !important;
        line-height: 1.5;
    }

    /* Reduce all heading sizes proportionally */
    h1, .h1 {
        font-size: 1.75rem !important; /* 28px */
        line-height: 1.2;
        margin-bottom: 1rem;
    }

    h2, .h2 {
        font-size: 1.5rem !important; /* 24px */
        line-height: 1.25;
        margin-bottom: 0.875rem;
    }

    h3, .h3 {
        font-size: 1.25rem !important; /* 20px */
        line-height: 1.3;
        margin-bottom: 0.75rem;
    }

    h4, .h4 {
        font-size: 1.125rem !important; /* 18px */
        line-height: 1.35;
        margin-bottom: 0.625rem;
    }

    h5, .h5, h6, .h6 {
        font-size: 1rem !important; /* 16px */
        line-height: 1.4;
        margin-bottom: 0.5rem;
    }

    /* Section titles */
    .section-title {
        font-size: 1.875rem !important; /* 30px */
        line-height: 1.15;
        margin-bottom: 1rem;
    }

    .section-subtitle {
        font-size: 0.625rem !important; /* 10px */
        letter-spacing: 0.15em;
        margin-bottom: 0.5rem;
    }
}

/* ============================================
   MOBILE SPACING OPTIMIZATION (< 640px)
   ============================================ */

@media (max-width: 640px) {
    /* Container padding - reduce from default */
    .container {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }

    /* Section spacing - reduce vertical padding */
    section, .section {
        padding-top: 2.5rem !important;
        padding-bottom: 2.5rem !important;
    }

    /* Card/Box padding */
    .card, .box, [class*="bg-white"], [class*="bg-slate"] {
        padding: 1rem !important;
    }

    /* Gap utilities - reduce to fit more content */
    .gap-8 {
        gap: 1rem !important;
    }

    .gap-6 {
        gap: 0.75rem !important;
    }

    .gap-4 {
        gap: 0.5rem !important;
    }

    /* Margin utilities */
    .mb-12, .my-12 {
        margin-bottom: 2rem !important;
    }

    .mb-10, .my-10 {
        margin-bottom: 1.5rem !important;
    }

    .mb-8, .my-8 {
        margin-bottom: 1.25rem !important;
    }

    .mt-16 {
        margin-top: 2.5rem !important;
    }

    .mt-12 {
        margin-top: 2rem !important;
    }
}

/* ============================================
   HEADER MOBILE OPTIMIZATION
   ============================================ */

@media (max-width: 640px) {
    /* Top bar - hide or compress */
    #masthead .top-bar {
        font-size: 9px !important;
        padding-top: 0.375rem !important;
        padding-bottom: 0.375rem !important;
    }

    /* Main navbar height */
    #masthead .container {
        height: 60px !important;
    }

    /* Logo size */
    #masthead .logo-box {
        width: 2rem !important;
        height: 2rem !important;
    }

    #masthead .logo-text-primary {
        font-size: 1.125rem !important; /* 18px */
    }

    #masthead .logo-subtext {
        font-size: 7px !important;
        letter-spacing: 0.15em;
    }

    /* Mobile menu button */
    .mobile-menu-btn {
        padding: 0.5rem !important;
    }
}

/* ============================================
   FOOTER MOBILE OPTIMIZATION
   ============================================ */

@media (max-width: 640px) {
    #colophon {
        padding-top: 2.5rem !important;
        padding-bottom: 1.5rem !important;
    }

    /* Footer grid */
    #colophon .grid {
        gap: 1.5rem !important;
    }

    /* Footer headings */
    #colophon h3 {
        font-size: 0.875rem !important; /* 14px */
        margin-bottom: 0.75rem !important;
    }

    /* Footer text */
    #colophon p, #colophon a {
        font-size: 0.75rem !important; /* 12px */
        line-height: 1.4;
    }

    /* Footer quick contact */
    #colophon .bg-gray-50 {
        padding: 0.875rem !important;
    }
}

/* ============================================
   CONTENT MOBILE OPTIMIZATION
   ============================================ */

@media (max-width: 640px) {
    /* Blog grid */
    .grid.grid-cols-3,
    .grid.grid-cols-2 {
        grid-template-columns: repeat(1, 1fr) !important;
    }

    /* Article cards */
    article .entry-header h2 {
        font-size: 1.125rem !important; /* 18px */
    }

    article .entry-content {
        font-size: 0.875rem !important; /* 14px */
    }

    /* Buttons */
    .btn-primary, button, .button {
        padding: 0.625rem 1.25rem !important;
        font-size: 0.75rem !important; /* 12px */
    }

    /* Images - ensure responsive */
    img {
        max-width: 100%;
        height: auto;
    }
}

/* ============================================
   MOBILE MENU SIDEBAR
   ============================================ */

@media (max-width: 640px) {
    #mobile-menu .w-\[300px\] {
        width: 280px !important;
    }

    #mobile-menu .p-6 {
        padding: 1rem !important;
    }

    #mobile-menu .px-4 {
        padding-left: 0.75rem !important;
        padding-right: 0.75rem !important;
    }

    #mobile-menu .py-3 {
        padding-top: 0.625rem !important;
        padding-bottom: 0.625rem !important;
    }

    #mobile-menu .text-sm {
        font-size: 0.8125rem !important; /* 13px */
    }

    #mobile-menu .text-lg {
        font-size: 1rem !important; /* 16px */
    }
}

/* ============================================
   404 PAGE MOBILE OPTIMIZATION
   ============================================ */

@media (max-width: 640px) {
    #camera-404-container .p-8 {
        padding: 1rem !important;
    }

    #camera-404-container .text-6xl {
        font-size: 3rem !important; /* 48px */
    }

    #camera-404-container .text-lg {
        font-size: 0.875rem !important;
    }

    #camera-404-container .w-64 {
        width: 240px !important;
    }

    #camera-404-container .h-64 {
        height: 240px !important;
    }
}

/* ============================================
   TABLET OPTIMIZATION (641px - 1023px)
   ============================================ */

@media (min-width: 641px) and (max-width: 1023px) {
    body {
        font-size: 14.5px;
    }

    .container {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }

    section, .section {
        padding-top: 3rem;
        padding-bottom: 3rem;
    }

    /* Adjust grid for tablet */
    .grid.grid-cols-3 {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

/* ============================================
   UTILITY CLASSES FOR CONTENT DENSITY
   ============================================ */

@media (max-width: 640px) {
    /* Compact mode - use these classes for tighter spacing */
    .mobile-compact {
        padding: 0.5rem !important;
        margin-bottom: 0.75rem !important;
    }

    /* Hide on mobile to save space */
    .mobile-hidden {
        display: none !important;
    }

    /* Stack elements on mobile */
    .mobile-stack > * {
        width: 100% !important;
        margin-bottom: 0.75rem;
    }

    /* Reduce image sizes */
    .mobile-img-sm img {
        max-height: 150px !important;
        object-fit: cover;
    }

    .mobile-img-md img {
        max-height: 200px !important;
        object-fit: cover;
    }
}

/* ============================================
   TYPOGRAPHY CONSISTENCY
   ============================================ */

/* Ensure Inter font is used consistently */
body, button, input, select, textarea {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 
                 'Segoe UI', Roboto, sans-serif !important;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Monospace for code and specific elements */
code, pre, .font-mono, .font-tech {
    font-family: 'Share Tech Mono', 'Courier New', monospace !important;
}

/* ============================================
   TOUCH-FRIENDLY OPTIMIZATION
   ============================================ */

@media (max-width: 640px) {
    /* Increase touch target size */
    a, button, input, select, textarea {
        min-height: 44px;
        min-width: 44px;
    }

    /* Better spacing for clickable elements */
    nav a, .menu a {
        padding: 0.75rem 1rem !important;
    }

    /* Form elements */
    input[type="text"],
    input[type="email"],
    input[type="password"],
    textarea,
    select {
        font-size: 16px !important; /* Prevent zoom on iOS */
        padding: 0.75rem !important;
    }
}

/* ============================================
   PERFORMANCE OPTIMIZATIONS
   ============================================ */

/* Reduce animations on mobile for better performance */
@media (max-width: 640px) and (prefers-reduced-motion: no-preference) {
    * {
        animation-duration: 0.3s !important;
        transition-duration: 0.2s !important;
    }

    .animate-spin,
    .animate-pulse,
    [class*="animate-"] {
        animation-duration: 0.5s !important;
    }
}

/* Disable hover effects on touch devices */
@media (hover: none) {
    *:hover {
        transform: none !important;
    }

    .hover\:scale-105:hover {
        transform: scale(1) !important;
    }
}

/* ============================================
   DARK MODE MOBILE OPTIMIZATION
   ============================================ */

@media (max-width: 640px) {
    .dark body {
        background-color: #0f172a;
    }

    /* Increase contrast for better readability on small screens */
    .dark .text-slate-400 {
        color: #cbd5e1 !important;
    }

    .dark .text-slate-500 {
        color: #94a3b8 !important;
    }
}

/* ============================================
   LANDSCAPE MOBILE (max-height: 500px)
   ============================================ */

@media (max-height: 500px) and (orientation: landscape) {
    /* Reduce header height in landscape */
    #masthead .container {
        height: 50px !important;
    }

    #masthead .top-bar {
        display: none !important;
    }

    /* Reduce section padding */
    section, .section {
        padding-top: 1.5rem !important;
        padding-bottom: 1.5rem !important;
    }
}