/* ============================================
   Mobile Styles (Base)
   ============================================ */

/* Tablet Styles (768px and up) */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem;
    }

    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }

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

    /* Navigation */
    .navbar-container {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    .navbar-menu {
        width: 100%;
        margin-top: var(--spacing-xs);
    }

    .navbar-brand {
        flex: 1;
    }

    .navbar-toggle {
        display: flex;
        flex-shrink: 0;
    }

    .navbar-menu.is-collapsible {
        display: none;
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .navbar-menu.is-collapsible.is-open {
        display: flex;
    }

    .navbar-menu li {
        width: 100%;
    }

    .nav-link {
        display: block;
        width: 100%;
        padding: 0.35rem 0;
    }

    /* Hero Section */
    .hero-container,
    .start-here-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .profile-photo {
        width: 250px;
        height: 250px;
    }

    .hero-text,
    .start-here-text {
        text-align: center;
    }

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

    .hero-text h1 {
        font-size: 1.75rem;
    }

    .passion-statement {
        font-size: 1rem;
    }

    .post-card-heading,
    .post-item-heading {
        align-items: flex-start;
    }

    .post-card .featured-badge,
    .post-item .featured-badge {
        font-size: 0.82rem;
        padding: 0.25rem 0.7rem;
    }

    .post-card.featured-post {
        border-left-width: 4px;
    }

    /* Posts Grid */
    .posts-grid {
        grid-template-columns: 1fr;
    }

    /* Skills Grid */
    .skills-grid {
        grid-template-columns: 1fr;
    }

    /* Projects Grid */
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .projects-overview,
    .project-focus-band {
        grid-template-columns: 1fr;
    }

    .projects-overview,
    .project-focus-band {
        padding: var(--spacing-lg);
    }

    .project-map {
        grid-template-columns: 1fr;
    }

    .project-orbit {
        min-height: 380px;
    }

    /* Post Meta */
    .post-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .tag-buttons {
        gap: var(--spacing-xs);
    }

    /* Tag Buttons */
    .tag-filter-btn {
        padding: 0.5rem var(--spacing-sm);
        font-size: 0.9rem;
    }

    /* Footer */
    .footer-container {
        flex-direction: column;
        text-align: center;
    }

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

    /* CTA Buttons */
    .cta-buttons {
        flex-direction: column;
    }

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

    /* About Page */
    .post-navigation {
        flex-direction: column;
    }

    .post-navigation .btn {
        width: 100%;
    }

    /* BB&T Chamber Presentation */
    .bbt-presentation-actions {
        justify-content: stretch;
    }

    .bbt-chamber-hero-grid,
    .bbt-two-column,
    .bbt-visual-grid,
    .bbt-visual-grid-reverse {
        grid-template-columns: 1fr;
    }

    .bbt-theme-jump-grid,
    .bbt-outcome-grid,
    .bbt-system-flow,
    .bbt-mini-grid,
    .bbt-habit-grid,
    .bbt-deduction-grid,
    .bbt-planning-grid,
    .bbt-qr-panel,
    .bbt-source-grid {
        grid-template-columns: 1fr;
    }

    .bbt-presentation-nav {
        top: 65px;
    }

    .bbt-presentation-nav-inner {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .bbt-presentation-links {
        padding-bottom: 0.25rem;
    }

    .bbt-print-button {
        width: 100%;
    }

    .bbt-chamber-section {
        scroll-margin-top: 150px;
    }

    .bbt-chamber-hero-copy h1 {
        font-size: 2.15rem;
    }

    .bbt-chamber-hero-media img {
        max-height: 520px;
    }

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

    .bbt-action-plan article {
        grid-template-columns: 56px minmax(0, 1fr);
    }
}

/* Mobile Styles (480px and below) */
@media (max-width: 480px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 1.25rem;
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
    }

    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.25rem;
    }

    h3 {
        font-size: 1.1rem;
    }

    .main-content {
        padding: var(--spacing-xl) 0;
    }

    /* Navigation */
    .navbar {
        padding: var(--spacing-sm) 0;
    }

    .navbar-brand a {
        font-size: 1.25rem;
    }

    .navbar-menu {
        flex-direction: column;
        gap: var(--spacing-sm);
        font-size: 0.9rem;
    }

    .navbar-toggle {
        width: 40px;
        height: 34px;
    }

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

    .start-here {
        padding: var(--spacing-xl) 0;
    }

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

    .profile-photo {
        width: 200px;
        height: 200px;
    }

    .hero-text h1 {
        font-size: 1.5rem;
    }

    .passion-statement {
        font-size: 0.95rem;
    }

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

    .post-card-footer {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }

    .read-more {
        width: 100%;
    }

    /* Buttons */
    .btn {
        width: 100%;
        text-align: center;
    }

    /* Post Item */
    .post-item:hover {
        padding-left: var(--spacing-lg);
    }

    .post-item.featured-post:hover {
        padding-left: calc(var(--spacing-lg) - 4px);
    }

    /* Tag Buttons */
    .tag-buttons {
        gap: var(--spacing-xs);
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: var(--spacing-sm);
    }

    .tag-filter-btn {
        padding: 0.4rem var(--spacing-sm);
        font-size: 0.85rem;
        white-space: nowrap;
    }

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

    .footer-container {
        gap: var(--spacing-md);
    }

    .footer-content p {
        font-size: 0.85rem;
    }

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

    .cta-buttons {
        gap: var(--spacing-sm);
    }

    /* Post Content */
    .post-content {
        font-size: 0.95rem;
    }

    pre {
        padding: var(--spacing-md);
        font-size: 0.85rem;
        overflow-x: auto;
    }

    /* Experience Item */
    .experience-item {
        padding: var(--spacing-md);
    }

    /* Skills List */
    .skill-list li {
        font-size: 0.95rem;
    }

    /* Project Card */
    .project-card {
        padding: var(--spacing-md);
    }

    .project-snapshot-card {
        min-height: auto;
    }

    .project-orbit {
        min-height: 300px;
    }

    .project-map-detail {
        padding: var(--spacing-lg);
    }

    .project-card-footer,
    .project-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .project-contact-actions {
        align-items: flex-start;
    }

    .project-contact-actions .btn {
        align-self: flex-start;
    }

    /* About Content */
    .about-content {
        padding: var(--spacing-md);
    }

    .about-content p {
        font-size: 0.95rem;
        margin-bottom: var(--spacing-sm);
    }

    /* BB&T Chamber Presentation */
    .bbt-chamber-hero-copy h1 {
        font-size: 1.9rem;
    }

    .bbt-chamber-lead {
        font-size: 1rem;
    }

    .bbt-presentation-nav-inner,
    .bbt-presentation-links {
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }

    .bbt-hero-card img {
        height: 74px;
        width: 74px;
    }

    .bbt-callout-line,
    .bbt-info-strip,
    .bbt-detail-panel,
    .bbt-qr-panel,
    .bbt-action-plan article {
        padding: var(--spacing-md);
    }

    .bbt-action-plan article {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }
}

/* Large Desktop (1200px and up) */
@media (min-width: 1200px) {
    .container {
        max-width: 1200px;
    }

    .hero-container {
        grid-template-columns: 1fr 1fr;
    }

    .posts-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .skills-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Extra Large Screens (1400px and up) */
@media (min-width: 1400px) {
    :root {
        --spacing-2xl: 5rem;
    }

    .container {
        max-width: 1300px;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .footer,
    .tag-filter,
    .cta-section,
    .cta-buttons {
        display: none;
    }

    body {
        background-color: var(--white);
    }

    a {
        text-decoration: underline;
    }

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

    .post-card,
    .post-item {
        page-break-inside: avoid;
        border: 1px solid var(--border-color);
        margin-bottom: var(--spacing-lg);
    }

    .bbt-presentation-actions,
    .bbt-presentation-nav {
        display: none !important;
    }

    .bbt-chamber-page {
        margin-top: 0;
    }

    .bbt-chamber-section,
    .bbt-chamber-hero {
        break-inside: avoid;
        padding: 1.1rem 0;
    }

    .bbt-chamber-hero,
    .bbt-close-section {
        background: var(--white) !important;
        color: var(--text-color) !important;
    }

    .bbt-chamber-hero-copy h1,
    .bbt-close-panel h2,
    .bbt-close-panel p {
        color: var(--text-color) !important;
    }

    .bbt-chamber-hero-grid,
    .bbt-two-column,
    .bbt-visual-grid,
    .bbt-visual-grid-reverse {
        grid-template-columns: 1fr;
    }

    .bbt-theme-jump-grid,
    .bbt-outcome-grid,
    .bbt-system-flow,
    .bbt-mini-grid,
    .bbt-habit-grid,
    .bbt-deduction-grid,
    .bbt-planning-grid,
    .bbt-source-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .bbt-qr-panel {
        grid-template-columns: minmax(0, 1fr) 1.3in;
    }

    .bbt-chamber-hero-media img,
    .bbt-framed-image img {
        max-height: 4.5in;
        object-fit: contain;
    }
}