/* ============================================
   Turn The Page Club - Responsive Styles
   Mobile-first responsive design
   ============================================ */

/* ============================================
   Large Tablets & Small Desktops (max-width: 1024px)
   ============================================ */
@media screen and (max-width: 1024px) {
    :root {
        --header-height: 70px;
    }

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

    .hero .container {
        flex-direction: column;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-decoration {
        max-width: 400px;
        margin-top: var(--spacing-lg);
    }

    .nav-link {
        min-width: 90px;
        padding: 10px 15px 25px;
        font-size: 0.875rem;
    }

    .timeline::before {
        left: 30px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 60px !important;
        padding-right: var(--spacing-md) !important;
        text-align: left !important;
    }

    .timeline-item::before {
        left: 20px !important;
        right: auto !important;
    }
}

/* ============================================
   Tablets (max-width: 768px)
   ============================================ */
@media screen and (max-width: 768px) {
    :root {
        --header-height: 65px;
        --nav-bookmark-height: 0px;
        --spacing-xxl: 3rem;
    }

    /* Header & Navigation */
    .header-inner {
        height: var(--header-height);
    }

    .nav-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-primary-dark);
        padding-top: calc(var(--header-height) + var(--spacing-lg));
        transform: translateX(100%);
        transition: transform var(--transition-normal);
        z-index: 1000;
    }

    .nav.open {
        transform: translateX(0);
    }

    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 0;
        padding: var(--spacing-md);
    }

    .nav-item {
        width: 100%;
    }

    .nav-link {
        width: 100%;
        padding: var(--spacing-md);
        background: transparent;
        color: var(--color-white);
        border-radius: var(--radius-sm);
        text-align: center;
        min-width: auto;
    }

    .nav-link::after {
        display: none;
    }

    .nav-link:hover,
    .nav-link.active {
        background: rgba(255, 255, 255, 0.1);
        transform: none;
        color: var(--color-accent);
    }

    /* Logo */
    .logo {
        font-size: 1.25rem;
    }

    .logo img {
        height: 116px;
    }

    .logo-text .tagline {
        display: none;
    }

    /* Main content */
    main {
        margin-top: var(--header-height);
    }

    /* Hero */
    .hero {
        min-height: auto;
        padding: var(--spacing-xl) 0;
    }

    .hero .container {
        flex-direction: column;
    }

    .hero-content {
        max-width: 100%;
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-decoration {
        display: none;
    }

    /* Sections */
    .section {
        padding: var(--spacing-xl) 0;
    }

    .section-header {
        margin-bottom: var(--spacing-lg);
    }

    /* Stats */
    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .stat-item {
        padding: var(--spacing-md);
    }

    .stat-number {
        font-size: 2.5rem;
    }

    /* Programs Grid */
    .programs-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    /* Team Grid */
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    /* Donation Options */
    .donation-options {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }

    .social-links {
        justify-content: center;
    }

    /* CTA Section */
    .cta-section {
        padding: var(--spacing-xl) var(--spacing-md);
    }

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

    .page-header h1 {
        font-size: 2rem;
    }

    /* Forms */
    .form-row {
        flex-direction: column;
    }

    /* Two column layouts */
    .two-columns {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    /* Cards */
    .card-content {
        padding: var(--spacing-md);
    }
}

/* ============================================
   Mobile Phones (max-width: 480px)
   ============================================ */
@media screen and (max-width: 480px) {
    :root {
        --spacing-xxl: 2.5rem;
        --spacing-xl: 2rem;
    }

    html {
        font-size: 15px;
    }

    /* Header */
    .header-inner {
        padding: 0 var(--spacing-sm);
    }

    .logo {
        font-size: 1.1rem;
    }

    .logo img {
        height: 95px;
    }

    /* Typography */
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    /* Buttons */
    .btn {
        width: 100%;
        justify-content: center;
    }

    .btn-lg {
        padding: 14px 24px;
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    /* Stats */
    .stats {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: 2rem;
    }

    /* Team Grid */
    .team-grid {
        grid-template-columns: 1fr;
    }

    .team-photo,
    .team-photo-placeholder {
        width: 120px;
        height: 120px;
    }

    /* Cards */
    .card-image {
        height: 150px;
    }

    .program-card {
        padding: var(--spacing-md);
    }

    .program-icon {
        width: 50px;
        height: 50px;
    }

    /* Donation */
    .donation-card {
        padding: var(--spacing-lg);
    }

    .donation-amount {
        font-size: 2rem;
    }

    /* Testimonials */
    .testimonial-quote {
        font-size: 1.1rem;
        padding-left: var(--spacing-md);
    }

    .testimonial-quote::before {
        font-size: 3rem;
    }

    /* Timeline */
    .timeline::before {
        left: 15px;
    }

    .timeline-item {
        padding-left: 40px !important;
    }

    .timeline-item::before {
        left: 6px !important;
        width: 16px;
        height: 16px;
    }

    .timeline-content {
        padding: var(--spacing-sm);
    }

    /* Footer */
    .footer {
        padding: var(--spacing-lg) 0 var(--spacing-sm);
    }

    .footer-section h4 {
        font-size: 1rem;
    }

    /* CTA Section */
    .cta-section {
        padding: var(--spacing-lg) var(--spacing-sm);
        border-radius: var(--radius-md);
    }

    /* Forms */
    .form-input,
    .form-textarea,
    .form-select {
        padding: 10px 14px;
    }

    /* Book divider */
    .book-divider {
        margin: var(--spacing-lg) 0;
    }

    .book-divider-icon {
        width: 30px;
        height: 30px;
    }

    /* Container padding */
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* ============================================
   Very Small Phones (max-width: 360px)
   ============================================ */
@media screen and (max-width: 360px) {
    html {
        font-size: 14px;
    }

    h1 {
        font-size: 1.75rem;
    }

    .hero-tagline {
        font-size: 0.75rem;
        padding: 0.25rem 0.75rem;
    }

    .stat-item {
        padding: var(--spacing-sm);
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .team-photo,
    .team-photo-placeholder {
        width: 100px;
        height: 100px;
    }
}

/* ============================================
   Landscape Mode on Mobile
   ============================================ */
@media screen and (max-width: 768px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: var(--spacing-lg) 0;
    }

    .nav {
        padding-top: var(--spacing-md);
    }

    .nav-list {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-item {
        width: auto;
    }

    .nav-link {
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .header,
    .nav-toggle,
    .hero-decoration,
    .floating-book,
    .btn,
    .social-links,
    footer {
        display: none !important;
    }

    main {
        margin-top: 0 !important;
    }

    body {
        background: white;
        color: black;
        font-size: 12pt;
    }

    h1, h2, h3, h4 {
        color: black;
        page-break-after: avoid;
    }

    .section {
        page-break-inside: avoid;
    }

    a {
        color: black;
        text-decoration: underline;
    }

    a[href]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
    }
}

/* ============================================
   High DPI / Retina Displays
   ============================================ */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Ensure crisp borders and shadows on high-DPI displays */
    .card,
    .btn,
    .form-input,
    .form-textarea {
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
    }
}

/* ============================================
   Touch Device Optimizations
   ============================================ */
@media (hover: none) and (pointer: coarse) {
    /* Remove hover effects on touch devices */
    .nav-link:hover {
        transform: none;
    }

    .card:hover {
        transform: none;
    }

    .btn:hover {
        transform: none;
    }

    /* Increase tap targets */
    .nav-link,
    .btn,
    .social-link {
        min-height: 44px;
        min-width: 44px;
    }

    /* Disable ribbon sway animation */
    .nav-link:hover::after {
        animation: none;
    }
}

/* ============================================
   Accessibility: High Contrast Mode
   ============================================ */
@media (prefers-contrast: high) {
    :root {
        --color-primary: #6B1D29;
        --color-secondary: #FFFFFF;
        --color-text: #000000;
        --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    }

    .btn {
        border-width: 3px;
    }

    .form-input,
    .form-textarea,
    .form-select {
        border-width: 3px;
    }
}

/* ============================================
   Dark Mode Support (if user prefers)
   ============================================ */
@media (prefers-color-scheme: dark) {
    /* Optional: Add dark mode styles here if desired */
    /* Currently keeping the warm book theme regardless of system preference */
}