/**
 * Enhanced Mobile Responsive Styles
 * Ensures perfect mobile compatibility across all devices
 */

/* ============================================
   MOBILE FIRST APPROACH
   Base styles are mobile, then scale up
   ============================================ */

/* Extra Small Devices (Portrait Phones, < 576px) */
@media (max-width: 575px) {
    /* Typography Adjustments */
    html {
        font-size: 14px; /* Reduce base font size for mobile */
    }

    h1 {
        font-size: var(--font-size-3xl);
        line-height: 1.2;
    }

    h2 {
        font-size: var(--font-size-2xl);
        line-height: 1.3;
    }

    h3 {
        font-size: var(--font-size-xl);
    }

    h4 {
        font-size: var(--font-size-lg);
    }

    /* Container Adjustments */
    .container {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }

    /* Button Adjustments */
    .btn {
        width: 100%;
        padding: var(--spacing-md);
        font-size: var(--font-size-base);
    }

    .btn-large {
        padding: var(--spacing-md);
        font-size: var(--font-size-base);
    }

    .btn-small {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }

    /* Card Adjustments */
    .card {
        padding: var(--spacing-lg);
        margin-bottom: var(--spacing-lg);
    }

    /* Hero Sections */
    section[style*="padding: var(--spacing-4xl)"],
    section[style*="padding: var(--spacing-5xl)"] {
        padding: var(--spacing-2xl) 0 !important;
    }

    /* Grid Layouts - Force Single Column */
    div[style*="display: grid"],
    div[style*="grid-template-columns"] {
        display: block !important;
    }

    /* Flex Layouts - Stack Vertically */
    div[style*="display: flex"][style*="gap"] {
        flex-direction: column !important;
    }

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

    /* Form Elements */
    .form-input,
    .form-textarea,
    .form-select {
        font-size: 16px; /* Prevents zoom on iOS */
    }

    /* Tables - Make Scrollable */
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

    /* Hide Decorative Elements on Mobile */
    .desktop-only {
        display: none !important;
    }
}

/* Small Devices (Landscape Phones, 576px - 767px) */
@media (min-width: 576px) and (max-width: 767px) {
    html {
        font-size: 15px;
    }

    .container {
        padding-left: var(--spacing-lg);
        padding-right: var(--spacing-lg);
    }

    /* 2-column grid for small tablets */
    div[style*="grid-template-columns: repeat(auto-fit, minmax(300px, 1fr))"] {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

/* Medium Devices (Tablets, 768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
    .container {
        max-width: 720px;
    }

    /* Adjust grid columns for tablets */
    div[style*="grid-template-columns: repeat(auto-fit, minmax(250px, 1fr))"] {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    div[style*="grid-template-columns: repeat(auto-fit, minmax(300px, 1fr))"] {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

/* Large Devices (Desktops, 1024px - 1279px) */
@media (min-width: 1024px) and (max-width: 1279px) {
    .container {
        max-width: 960px;
    }
}

/* Extra Large Devices (Large Desktops, 1280px+) */
@media (min-width: 1280px) {
    .container {
        max-width: 1200px;
    }
}

/* ============================================
   MOBILE NAVIGATION ENHANCEMENTS
   ============================================ */

@media (max-width: 1024px) {
    /* Ensure mobile menu is above other content */
    .nav-menu {
        max-height: calc(100vh - var(--header-height));
        overflow-y: auto;
        z-index: var(--z-fixed);
    }

    /* Better spacing for mobile nav items */
    .nav-link {
        padding: var(--spacing-md) var(--spacing-lg);
        border-bottom: 1px solid var(--color-gray-200);
    }

    .nav-link:last-child {
        border-bottom: none;
    }

    /* Auth buttons in mobile menu */
    .auth-buttons {
        padding-top: var(--spacing-lg);
        border-top: 2px solid var(--color-gray-200);
    }

    /* Profile dropdown in mobile */
    .profile-dropdown {
        width: 100%;
        padding: var(--spacing-md);
    }

    .dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        margin-top: var(--spacing-sm);
    }
}

/* ============================================
   TOUCH-FRIENDLY INTERACTIONS
   ============================================ */

@media (hover: none) and (pointer: coarse) {
    /* Increase touch target sizes */
    .btn,
    .nav-link,
    .dropdown-item {
        min-height: 44px; /* iOS minimum touch target */
        display: flex;
        align-items: center;
    }

    /* Remove hover effects on touch devices */
    .card:hover {
        transform: none;
    }

    .btn:hover {
        transform: none;
    }

    /* Larger tap targets for mobile menu */
    .mobile-menu-toggle {
        padding: var(--spacing-md);
        min-width: 44px;
        min-height: 44px;
    }
}

/* ============================================
   MOBILE-SPECIFIC SECTIONS
   ============================================ */

@media (max-width: 768px) {
    /* Hero Sections - Better Mobile Spacing */
    section[style*="linear-gradient"] {
        padding: var(--spacing-3xl) var(--spacing-md) !important;
    }

    /* Center align text on mobile */
    .text-center,
    h1, h2, h3 {
        text-align: center;
    }

    /* Cards - Full Width on Mobile */
    .card {
        width: 100%;
        margin-left: 0;
        margin-right: 0;
    }

    /* Footer - Stack Columns */
    footer div[style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
        gap: var(--spacing-xl) !important;
    }

    /* Hide long text, show ellipsis */
    .text-truncate-mobile {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}

/* ============================================
   LANDSCAPE ORIENTATION ON MOBILE
   ============================================ */

@media (max-width: 896px) and (orientation: landscape) {
    /* Reduce vertical spacing in landscape */
    section {
        padding-top: var(--spacing-lg) !important;
        padding-bottom: var(--spacing-lg) !important;
    }

    /* Smaller hero sections in landscape */
    section[style*="linear-gradient"] {
        padding: var(--spacing-xl) var(--spacing-md) !important;
    }

    h1 {
        font-size: var(--font-size-2xl);
    }

    h2 {
        font-size: var(--font-size-xl);
    }
}

/* ============================================
   FORM RESPONSIVENESS
   ============================================ */

@media (max-width: 768px) {
    /* Stack form groups vertically */
    div[style*="grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }

    /* Full-width forms on mobile */
    form {
        width: 100%;
    }

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

    /* Auth cards - Full width on mobile */
    .auth-card {
        max-width: 100%;
        margin: var(--spacing-md);
        padding: var(--spacing-xl);
    }

    .auth-container {
        padding: var(--spacing-md);
    }

    /* Social login buttons - Stack on mobile */
    .social-login {
        gap: var(--spacing-sm);
    }

    .social-btn {
        padding: var(--spacing-md);
        font-size: var(--font-size-sm);
    }
}

/* ============================================
   PROFILE PAGE MOBILE
   ============================================ */

@media (max-width: 1024px) {
    .profile-grid {
        grid-template-columns: 1fr !important;
        gap: var(--spacing-lg);
    }

    .profile-sidebar {
        order: 1;
    }

    .profile-card {
        padding: var(--spacing-lg);
    }

    .nav-tabs {
        flex-direction: row;
        overflow-x: auto;
        white-space: nowrap;
        gap: var(--spacing-sm);
    }

    .nav-tab {
        flex-shrink: 0;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
}

/* ============================================
   CONTACT PAGE MOBILE
   ============================================ */

@media (max-width: 768px) {
    /* Contact info cards - Stack on mobile */
    .contact-grid {
        grid-template-columns: 1fr !important;
    }

    /* Contact form - Full width */
    .contact-form {
        padding: var(--spacing-lg);
    }
}

/* ============================================
   CAREERS PAGE MOBILE
   ============================================ */

@media (max-width: 768px) {
    /* Job listings - Better mobile layout */
    .card div[style*="display: flex"][style*="justify-content: space-between"] {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: var(--spacing-md);
    }

    .card .btn {
        width: 100%;
        margin-top: var(--spacing-md);
    }

    /* Job tags - Wrap on mobile */
    div[style*="display: flex"][style*="gap"][style*="flex-wrap: wrap"] {
        font-size: var(--font-size-xs);
    }
}

/* ============================================
   UTILITY CLASSES FOR RESPONSIVE DESIGN
   ============================================ */

/* Show/Hide on Different Devices */
@media (max-width: 767px) {
    .hide-mobile {
        display: none !important;
    }
    .show-mobile {
        display: block !important;
    }
}

@media (min-width: 768px) {
    .hide-desktop {
        display: none !important;
    }
    .show-desktop {
        display: block !important;
    }
    .show-mobile {
        display: none !important;
    }
}

/* Responsive Text Alignment */
@media (max-width: 768px) {
    .text-center-mobile {
        text-align: center !important;
    }
    .text-left-mobile {
        text-align: left !important;
    }
}

/* Responsive Spacing */
@media (max-width: 768px) {
    .p-mobile-sm {
        padding: var(--spacing-sm) !important;
    }
    .p-mobile-md {
        padding: var(--spacing-md) !important;
    }
    .p-mobile-lg {
        padding: var(--spacing-lg) !important;
    }

    .m-mobile-sm {
        margin: var(--spacing-sm) !important;
    }
    .m-mobile-md {
        margin: var(--spacing-md) !important;
    }
    .m-mobile-lg {
        margin: var(--spacing-lg) !important;
    }
}

/* ============================================
   ACCESSIBILITY ON MOBILE
   ============================================ */

/* Ensure focus states are visible */
@media (max-width: 768px) {
    *:focus-visible {
        outline: 3px solid var(--color-primary);
        outline-offset: 2px;
    }

    /* Larger clickable areas */
    a, button, input, select, textarea {
        min-height: 44px;
    }
}

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

@media (max-width: 768px) {
    /* Reduce animations on mobile for better performance */
    * {
        animation-duration: 0.3s !important;
        transition-duration: 0.2s !important;
    }

    /* Disable scroll animations on mobile */
    @media (prefers-reduced-motion: reduce) {
        * {
            animation: none !important;
            transition: none !important;
        }
    }
}

/* ============================================
   SAFE AREA INSETS (iPhone X+, etc.)
   ============================================ */

@supports (padding: max(0px)) {
    .header-container,
    .container {
        padding-left: max(var(--spacing-lg), env(safe-area-inset-left));
        padding-right: max(var(--spacing-lg), env(safe-area-inset-right));
    }

    .nav-menu {
        padding-bottom: max(var(--spacing-lg), env(safe-area-inset-bottom));
    }
}