/**
 * Responsive Styles
 * Mobile-first approach with breakpoints
 * @package TheRunbook
 */

/* ============================================
   TABLET: 768px and up
   ============================================ */

@media (max-width: 1024px) {
    .container {
        padding: 0 40px;
    }

    h1 {
        font-size: 44px;
    }

    h2 {
        font-size: 36px;
    }

    h3 {
        font-size: 24px;
    }

    .hero {
        grid-template-columns: 1fr;
        padding: 60px 40px;
        gap: 40px;
    }

    .hero-content h1 {
        font-size: 40px;
    }

    .hero-visual {
        min-height: 350px;
    }

    .section {
        padding: 60px 40px;
    }

    .section h2 {
        margin-bottom: 50px;
    }

    .grid-3,
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    nav.main-nav {
        padding: 16px 40px;
        gap: 20px;
    }

    .nav-menu {
        gap: 30px;
    }

    table {
        font-size: 14px;
    }

    table th,
    table td {
        padding: 12px;
    }
}

/* ============================================
   MOBILE: Below 768px
   ============================================ */

@media (max-width: 768px) {
    :root {
        font-size: 14px;
    }

    .container {
        padding: 0 24px;
    }

    h1 {
        font-size: 32px;
        line-height: 1.1;
    }

    h2 {
        font-size: 26px;
    }

    h3 {
        font-size: 20px;
    }

    h4 {
        font-size: 18px;
    }

    p {
        font-size: 15px;
    }

    /* Header Navigation */
    header {
        position: sticky;
        top: 0;
        z-index: 1000;
    }

    nav.main-nav {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 12px 24px;
        flex-wrap: wrap;
    }

    .logo {
        gap: 8px;
        font-size: 18px;
    }

    .logo-image {
        width: 64px;
        height: 64px;
    }

    .logo-icon {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }

    .nav-menu {
        display: none;
        gap: 0;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: white;
        box-shadow: var(--shadow-md);
        list-style: none;
        margin: 0;
        padding: 20px 0;
        width: 100%;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        border-bottom: 1px solid var(--color-border);
    }

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

    .nav-menu a {
        display: block;
        padding: 12px 24px;
    }

    /* Footer Responsive */
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    /* Menu Toggle */
    .menu-toggle {
        display: flex;
        flex-direction: column;
        background: none;
        border: none;
        cursor: pointer;
        gap: 5px;
        padding: 0;
    }

    .menu-toggle span {
        width: 25px;
        height: 3px;
        background-color: var(--color-text-primary);
        transition: all 0.3s ease;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(10px, 10px);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .nav-cta {
        width: 100%;
        margin-top: 10px;
        padding: 12px 24px;
        text-align: center;
    }

    /* Hero Section */
    .hero {
        display: block;
        padding: 40px 24px;
        gap: 30px;
    }

    .hero-content {
        margin-bottom: 30px;
    }

    .hero-content h1 {
        font-size: 28px;
        line-height: 1.1;
        margin-bottom: 16px;
    }

    .hero-content p {
        font-size: 16px;
        margin-bottom: 24px;
    }

    .hero-buttons {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .hero-visual {
        min-height: 280px;
        padding: 40px 20px;
    }

    .hero-visual-content {
        font-size: 32px;
    }

    /* Sections */
    .section {
        padding: 50px 24px;
    }

    .section h2 {
        font-size: 24px;
        margin-bottom: 40px;
    }

    /* Grids */
    .grid-3,
    .grid-2 {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Cards */
    .card {
        padding: 20px;
    }

    .card.card-lg {
        padding: 24px;
    }

    .card.card-feature {
        padding: 24px 16px;
    }

    .card-icon {
        width: 48px;
        height: 48px;
        font-size: 24px;
    }

    /* Buttons */
    .btn {
        padding: 12px 24px;
        font-size: 14px;
        width: 100%;
        text-align: center;
    }

    .btn-secondary {
        padding: 10px 22px;
    }

    .btn-small {
        padding: 8px 16px;
        font-size: 13px;
    }

    /* Tables */
    table {
        font-size: 12px;
        margin: 20px 0;
    }

    table th {
        padding: 10px;
        font-size: 12px;
    }

    table td {
        padding: 10px;
    }

    table thead {
        display: none;
    }

    table,
    table tbody,
    table tr,
    table td {
        display: block;
        width: 100%;
    }

    table tr {
        margin-bottom: 15px;
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        overflow: hidden;
    }

    table td {
        text-align: right;
        padding: 10px;
        position: relative;
        padding-left: 50%;
    }

    table td:before {
        content: attr(data-label);
        position: absolute;
        left: 10px;
        font-weight: 600;
        width: 40%;
        text-align: left;
    }

    /* Articles */
    .article-header {
        padding: 40px 24px;
    }

    .article-header h1 {
        font-size: 24px;
    }

    .post-meta {
        flex-direction: column;
        gap: 8px;
        font-size: 12px;
    }

    .article-badge {
        font-size: 11px;
        padding: 4px 10px;
    }

    .content-width {
        padding: 40px 24px;
    }

    .article-content {
        font-size: 15px;
    }

    .article-content h2 {
        margin-top: 30px;
        font-size: 22px;
    }

    .article-content h3 {
        margin-top: 24px;
        font-size: 18px;
    }

    .article-content ul,
    .article-content ol {
        margin-left: 24px;
    }

    .vip-cta {
        padding: 24px 16px;
        margin: 40px 0;
    }

    .vip-cta h4 {
        font-size: 18px;
        margin-bottom: 10px;
    }

    .highlight-box {
        padding: 16px;
        border-left-width: 3px;
        margin: 20px 0;
    }

    /* Affiliate Disclosure */
    .affiliate-disclosure {
        font-size: 12px;
        padding: 16px;
        margin: 20px 0;
    }

    /* Footer */
    .site-footer {
        padding: 40px 24px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-section {
        text-align: center;
    }

    .footer-section h3,
    .footer-section h4 {
        font-size: 16px;
    }

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

    .footer-bottom {
        text-align: center;
        padding-top: 20px;
    }

    .copyright {
        font-size: 12px;
    }

    /* Stats Grid */
    .stats-grid {
        gap: 30px;
    }

    .stat-item h3 {
        font-size: 40px;
    }

    .stat-item p {
        font-size: 14px;
    }

    /* Post Meta */
    .post-meta {
        gap: 12px;
    }

    .post-meta span {
        gap: 4px;
        font-size: 13px;
    }
}

/* ============================================
   SMALL MOBILE: Below 480px
   ============================================ */

@media (max-width: 480px) {
    h1 {
        font-size: 24px;
    }

    h2 {
        font-size: 20px;
    }

    h3 {
        font-size: 18px;
    }

    .section {
        padding: 40px 16px;
    }

    .container {
        padding: 0 16px;
    }

    .btn {
        padding: 10px 16px;
        font-size: 13px;
    }

    .logo {
        font-size: 16px;
    }

    .hero {
        padding: 30px 16px;
    }

    .hero-content h1 {
        font-size: 22px;
    }

    .hero-visual {
        min-height: 220px;
        padding: 30px 16px;
    }

    .article-header {
        padding: 30px 16px;
    }

    .article-header h1 {
        font-size: 20px;
    }

    .content-width {
        padding: 30px 16px;
    }

    table td {
        padding: 8px;
        font-size: 11px;
    }

    .stat-item h3 {
        font-size: 32px;
    }

    .stat-item p {
        font-size: 12px;
    }

    .hero-buttons {
        gap: 10px;
    }
}

/* ============================================
   LANDSCAPE MOBILE: Adjust for wider phones
   ============================================ */

@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
        padding: 30px 16px;
    }

    .hero-visual {
        min-height: 280px;
    }

    h1 {
        font-size: 28px;
    }

    .section {
        padding: 40px 16px;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    header,
    footer,
    .nav-cta,
    .vip-cta,
    .btn {
        display: none;
    }

    body {
        background-color: white;
        color: black;
    }

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

    .article-content {
        line-height: 1.8;
    }

    .article-content img {
        max-width: 100%;
        page-break-inside: avoid;
    }
}

/* ============================================
   DARK MODE (if implemented)
   ============================================ */

@media (prefers-color-scheme: dark) {
    /* Optional: Add dark mode styles */
    /* body {
        background-color: #1a1a1a;
        color: #f0f0f0;
    } */
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: more) {
    a {
        text-decoration: underline;
    }

    button,
    .btn {
        border: 2px solid currentColor;
    }
}