/* ==========================================================================
   Responsive CSS - Media Queries, Mobile-First Responsive Behavior
   ========================================================================== */

/* ==========================================================================
   Breakpoint Variables (Referenced from layout.css)
   
   Mobile: 320px - 767px (default, no media query needed)
   Tablet: 768px - 1023px
   Desktop: 1024px - 1440px
   Large Desktop: 1441px+
   ========================================================================== */

/* ==========================================================================
   Mobile-First Base Styles (320px+)
   ========================================================================== */

/* These are the default styles, no media query needed */

/* Typography scaling */
h1 {
    font-size: clamp(1.875rem, 5vw, 3rem); /* 30px - 48px */
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2.25rem); /* 24px - 36px */
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.875rem); /* 20px - 30px */
}

/* Container responsive padding */
.container {
    padding-left: clamp(1rem, 4vw, 2rem);
    padding-right: clamp(1rem, 4vw, 2rem);
}

/* Button responsive sizing */
.btn {
    font-size: clamp(0.875rem, 2.5vw, 1rem);
    padding: clamp(0.75rem, 2vw, 0.875rem) clamp(1.5rem, 4vw, 2rem);
}

/* ==========================================================================
   Tablet Styles (768px+)
   ========================================================================== */

@media (min-width: 768px) {
    /* Enhanced Typography */
    body {
        font-size: var(--font-size-lg);
    }

    /* Header Enhancements */
    .main-header {
        padding: var(--spacing-xl) 0;
    }

    .header-content {
        gap: var(--spacing-2xl);
    }

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

    .nav-list {
        gap: var(--spacing-3xl);
    }

    .nav-link {
        font-size: var(--font-size-lg);
        padding: var(--spacing-md) var(--spacing-lg);
    }

    /* Main Content Spacing */
    .main-content {
        margin-top: 0;
    }

    /* Section Spacing */
    .section {
        padding-top: var(--spacing-6xl);
        padding-bottom: var(--spacing-6xl);
    }

    /* Card Improvements */
    .card {
        border-radius: var(--radius-2xl);
    }

    .card-content {
        padding: var(--spacing-3xl);
    }

    /* Category Cards Grid */
    .category-cards {
        gap: var(--spacing-4xl);
    }

    .category-card {
        padding: var(--spacing-3xl);
        border-radius: var(--radius-2xl);
    }

    .category-card .card-title {
        font-size: var(--font-size-2xl);
    }

    .category-card .card-description {
        font-size: var(--font-size-lg);
    }

    /* Features Grid */
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-3xl);
    }

    /* Footer Improvements */
    .footer-content {
        padding: var(--spacing-2xl);
        border-radius: var(--radius-xl);
        background-color: rgba(248, 249, 250, 0.5);
    }

    .footer-description {
        font-size: var(--font-size-lg);
    }

    /* Button Enhancements */
    .btn {
        font-size: var(--font-size-base);
        font-weight: var(--font-weight-semibold);
    }

    .btn-lg {
        padding: var(--spacing-xl) var(--spacing-3xl);
        font-size: var(--font-size-xl);
    }
}

/* ==========================================================================
   Desktop Styles (1024px+)
   ========================================================================== */

@media (min-width: 1024px) {
    /* Enhanced Typography */
    body {
        font-size: var(--font-size-base);
    }

    /* Header Desktop Layout */
    .main-header {
        padding: var(--spacing-2xl) 0;
    }

    .header-content {
        gap: var(--spacing-3xl);
    }

    .main-nav {
        display: flex;
        flex: 0; /* do NOT stretch the nav */
        margin-left: auto; /* push nav (and actions) to the right */
        justify-content: flex-end;
        align-items: center;
    }

    .nav-list {
        gap: var(--spacing-4xl);
    }

    .nav-link {
        font-size: var(--font-size-base);
        padding: var(--spacing-lg) var(--spacing-xl);
        border-radius: var(--radius-xl);
    }

    .nav-link:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-sm);
    }

    /* Hero Section Desktop */
    /* Category Cards Desktop Grid */
    .category-cards {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-2xl);
        max-width: none;
    }

    .category-card {
        padding: var(--spacing-3xl);
        min-height: 600px;
    }

    .category-card:hover {
        transform: translateY(-8px) scale(1.02);
    }

    .category-card .card-icon {
        width: 100px;
        height: 100px;
        font-size: 3rem;
    }

    .category-card .card-title {
        font-size: var(--font-size-2xl);
    }

    .category-card .card-description {
        font-size: var(--font-size-base);
    }

    .category-card .feature-item {
        font-size: var(--font-size-sm);
    }

    /* .category-card .card-cta {
        width: auto;
        align-self: flex-start;
    } */

    /* Features Grid Desktop */
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-2xl);
    }

    /* Two Column Layout Desktop */
    .two-column-layout {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-4xl);
        align-items: center;
    }

    /* Hero Layout Desktop */
    .hero-layout {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-5xl);
        align-items: center;
    }

    /* Footer Desktop Layout */
    .footer-content {
        grid-template-columns: 1fr 1.5fr;
        gap: var(--spacing-6xl);
    }

    .footer-links {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-3xl);
    }

    /* Section Spacing Desktop */
    .section {
        padding-top: calc(var(--spacing-6xl) * 1.5);
        padding-bottom: calc(var(--spacing-6xl) * 1.5);
    }

    .section-lg {
        padding-top: calc(var(--spacing-6xl) * 2);
        padding-bottom: calc(var(--spacing-6xl) * 2);
    }

    /* Button Desktop Enhancements */
    .btn {
        transition: all var(--transition-base), transform var(--transition-base);
    }

    .btn:hover {
        transform: translateY(-2px);
    }

    .btn:active {
        transform: translateY(0);
    }
}

/* ==========================================================================
   Large Desktop Styles (1441px+)
   ========================================================================== */

@media (min-width: 1441px) {
    /* Container Max-Width */
    .container {
        max-width: 1400px;
        padding-left: var(--spacing-3xl);
        padding-right: var(--spacing-3xl);
    }

    /* Large Desktop Spacing */
    .hero-section {
        padding: 48px 0 40px;
    }

    .category-cards-section {
        padding: 24px 0 40px;
    }

    .category-cards {
        gap: var(--spacing-2xl);
    }

    .category-card {
        padding: var(--spacing-xl);
    }

    .category-card .card-icon {
        width: 80px;
        height: 80px;
    }

    /* Section Enhancements */
    .section {
        padding-top: calc(var(--spacing-6xl) * 2);
        padding-bottom: calc(var(--spacing-6xl) * 2);
    }

    /* Footer Large Desktop */
    .main-footer {
        padding: calc(var(--spacing-6xl) * 1.5) 0 var(--spacing-3xl);
    }
}

/* ==========================================================================
   Component-Specific Responsive Behavior
   ========================================================================== */

/* Navigation Responsive States */
@media (max-width: 767px) {
    .main-nav {
        display: none;
    }

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

    .header-actions .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
        margin-left: var(--spacing-xl);
    }
}

@media (min-width: 768px) {
    .mobile-menu-toggle {
        display: none;
    }
}

/* Card Stack on Small Screens */
@media (max-width: 767px) {
    .card-content {
        padding: var(--spacing-xl);
    }

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

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

/* Help Section Responsive */
@media (max-width: 767px) {
    .help-section {
        padding: var(--spacing-4xl) 0 var(--spacing-lg);
    }

    .help-text {
        font-size: var(--font-size-base);
    }
}

@media (min-width: 768px) {
    .help-section {
        padding: var(--spacing-6xl) 0 var(--spacing-3xl);
    }

    .help-text {
        font-size: var(--font-size-xl);
    }
}

/* ==========================================================================
   Interactive Elements Responsive Behavior
   ========================================================================== */

/* Touch-Friendly Sizing for Mobile */
@media (max-width: 767px) {
    .btn,
    .nav-link,
    .footer-link,
    .social-link {
        min-height: 44px;
        min-width: 44px;
    }

    .mobile-menu-toggle {
        width: 48px;
        height: 48px;
    }

    .category-card {
        cursor: pointer;
        -webkit-tap-highlight-color: rgba(74, 144, 226, 0.1);
    }
}

/* Hover States Only for Non-Touch Devices */
@media (hover: hover) and (pointer: fine) {
    .category-card:hover {
        transform: translateY(-6px);
    }

    .btn:hover {
        transform: translateY(-2px);
    }

    .nav-link:hover {
        transform: translateY(-1px);
    }

    .social-link:hover {
        transform: translateY(-2px);
    }
}

/* ==========================================================================
   Orientation-Specific Styles
   ========================================================================== */

/* Landscape Mobile Optimization */
@media (max-width: 1023px) and (orientation: landscape) {
    .hero-section {
        padding: var(--spacing-4xl) 0 var(--spacing-3xl);
    }

    .category-cards-section {
        padding: var(--spacing-3xl) 0;
    }

    .category-card {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }

    .category-card .card-features {
        margin-bottom: var(--spacing-lg);
    }

    .category-card .features-list {
        gap: var(--spacing-xs);
    }

    .main-header {
        padding: var(--spacing-md) 0;
    }
}

/* Portrait Tablet Optimization */
@media (min-width: 768px) and (max-width: 1023px) and (orientation: portrait) {
    .category-cards {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }

    .category-card {
        padding: var(--spacing-3xl) var(--spacing-2xl);
    }
}

/* ==========================================================================
   Print Responsive Styles
   ========================================================================== */

@media print {
    /* Reset responsive transforms and animations */
    * {
        transform: none !important;
        animation: none !important;
        transition: none !important;
    }

    /* Optimize for print layout */
    .category-cards {
        grid-template-columns: 1fr !important;
        gap: var(--spacing-lg) !important;
    }

    .category-card {
        break-inside: avoid;
        margin-bottom: var(--spacing-lg);
        transform: none !important;
    }

    /* Hide interactive elements */
    .mobile-menu-toggle,
    .nav-link::after,
    .help-link::after {
        display: none !important;
    }
}

/* ==========================================================================
   Accessibility Responsive Features
   ========================================================================== */

/* Large Text Support */
@media (min-resolution: 2dppx) {
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* Focus Indicators for Keyboard Navigation */
@media (prefers-reduced-motion: no-preference) {
    *:focus-visible {
        outline: 3px solid var(--color-primary-blue);
        outline-offset: 2px;
        transition: outline-offset var(--transition-fast);
    }
}

/* High Contrast Mode Responsive */
@media (prefers-contrast: high) {
    .category-card {
        border-width: 3px;
        background: var(--color-background-primary) !important;
    }

    .card-store {
        border-color: var(--color-primary-blue) !important;
    }

    .card-restaurant {
        border-color: var(--color-secondary-orange) !important;
    }

    .card-support {
        border-color: var(--color-accent-green) !important;
    }
}

/* Reduced Motion Responsive */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .category-card:hover,
    .btn:hover,
    .nav-link:hover {
        transform: none;
    }

    .hero-section::before {
        animation: none;
    }
}

/* ==========================================================================
   Container Queries (Future Enhancement)
   ========================================================================== */

/* When container queries are widely supported, these can replace some media queries */
/*
@container (min-width: 768px) {
    .category-cards {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}
*/