/* --- Geo-Bits Design System v6 (Stable) --- */
html,
body {
    max-width: 100%;
    overflow-x: hidden;
}


:root {
    --color-brand-primary: #00b4d8;
    --color-brand-dark: #0077b6;
    --color-brand-accent: #ff6b6b;
    --bg-body: #f8f9fa;
    --bg-surface: #ffffff;
    --bg-surface-2: #e9ecef;
    --text-main: #212529;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);

    --header-height: 70px;
    --container-width: 1280px;
    --radius-md: 12px;

    --font-sans: 'Inter', system-ui, sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
}

[data-theme="dark"] {
    --bg-body: #0f1115;
    --bg-surface: #181b21;
    --bg-surface-2: #232730;
    --text-main: #e9ecef;
    --text-muted: #adb5bd;
    --border-color: #2d323b;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background: var(--bg-body);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    transition: background 0.3s ease, color 0.3s ease;
}

h1,
h2,
h3 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
}



h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.2rem, 3vw, 1.75rem);
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.2s;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 60px 0;
}

.hidden {
    display: none !important;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(var(--bg-surface), 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.brand {
    font-size: 1.5rem;
    font-weight: 800;
}

.nav-links {
    display: flex;
    gap: 24px;
    align-items: center;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-main);
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--bg-surface);
        flex-direction: column;
        padding: 24px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
    }

    .nav-links.active {
        display: flex;
        animation: slideDown 0.3s ease;
    }

    .mobile-toggle {
        display: block;
    }

    .desktop-only {
        display: none;
    }
}

@keyframes slideDown {
    from {
        transform: translateY(-10px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.theme-btn {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-main);
}

/* Components */
.grid {
    display: grid;
    gap: 24px;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: 0.3s ease;
    cursor: pointer;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-brand-primary);
}

.card-img-wrap {
    padding-top: 60%;
    position: relative;
    background: var(--bg-surface-2);
}

.card-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    /* <--- KEY FIX: Align image to the top */
}

.card-body {
    padding: 20px;
}

.badge {
    display: inline-block;
    background: rgba(0, 180, 216, 0.1);
    color: var(--color-brand-primary);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 8px;
}

/* Gallery */
.gallery-layout {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 40px;
    min-height: 70vh;
    align-items: start;
}

.spotlight-viewport {
    width: 100%;
    background: var(--bg-surface-2);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 500px;
}

.spotlight-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

@media (max-width: 900px) {
    .gallery-layout {
        grid-template-columns: 1fr;
    }

    .spotlight-viewport {
        height: 350px;
    }
}

/* Article & Author */
.article-container {
    max-width: none;
    margin: 0 auto;
}

.article-header {
    text-align: center;
    margin-bottom: 24px;
}

.article-header h1#art-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    /* Reduced max size from 3.5rem */
    margin-top: 12px;
    /* Reduced from 16px */
    line-height: 1.2;
}

.article-meta {
    margin-top: 8px;
    /* Reduced space above date/author */
    font-size: 0.9rem;
}

.reading-box {
    background: var(--bg-surface-2);
    padding: 32px 40px;
    border-radius: 16px;
    margin-bottom: 40px;
    border-left: 5px solid var(--color-brand-primary);
    font-size: 1.15rem;
    color: var(--text-main);
}

@media (max-width: 768px) {
    .reading-box {
        padding: 24px;
    }
}



.article-figure img#art-img {
    max-height: 50vh;
    /* Ensure image itself doesn't overflow */
    width: auto;
    /* Allow width to adjust naturally */
    max-width: 100%;
    /* But don't exceed container width */
    object-fit: contain;
    /* Show full image without cropping */
}

.author-box {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin: 24px 0 32px 0;
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--bg-surface-2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--color-brand-primary);
}

.author-info h4 {
    margin: 0;
    font-size: 1rem;
    color: var(--text-main);
}

.author-info p {
    margin: 4px 0 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.author-link {
    margin-left: auto;
    color: var(--text-muted);
    transition: 0.2s;
}

.author-link:hover {
    color: var(--color-brand-primary);
}

.action-btn-group {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 16px;
}

.like-btn,
.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-surface);
    border: 2px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 30px;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-muted);
    transition: 0.2s;
}

.like-btn.liked {
    border-color: var(--color-brand-accent);
    color: var(--color-brand-accent);
}

.like-btn:hover,
.share-btn:hover {
    background: var(--bg-surface-2);
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-brand-primary), var(--color-brand-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 20px;
}

.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    display: inline-block;
}

.btn-primary {
    background: var(--color-brand-primary);
    color: white;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--text-main);
    color: var(--text-main);
}

.filter-bar {
    overflow-x: auto;
    max-width: 100%;
}




.filter-bar::after {
    content: '← swipe →';
    font-size: 0.75rem;
    color: var(--text-muted);
    padding-left: 8px;
}

.filter-btn {
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    background: var(--bg-surface);
    color: var(--text-muted);
    cursor: pointer;
    white-space: nowrap;
}

.filter-btn.active {
    background: var(--color-brand-primary);
    color: white;
    border-color: var(--color-brand-primary);
}

#art-desc p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.article-header .badge {
    margin-top: 0px !important;
    margin-bottom: 1px;
    padding: 6px 14px;
    font-size: 0.9rem;
    line-height: 1;
    display: inline-block;
}

.card:focus-visible {
    outline: 3px solid var(--color-brand-primary);
    outline-offset: 3px;

}

.breadcrumb-link {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: inline-block;
    margin-bottom: 16px;
}

.breadcrumb-link:hover {
    color: var(--color-brand-primary);
    text-decoration: underline;
}

.breadcrumb {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}


/* Sources styling */
#art-sources {
    color: var(--color-brand-primary);
}

#art-sources a {
    color: var(--color-brand-primary);
    text-decoration: underline;
}

#art-sources a:hover {
    color: var(--color-brand-dark);
}

.meta-link {
    color: var(--color-brand-primary);
    text-decoration: underline;
    font-size: 0.9rem;
}

.meta-link:hover {
    color: var(--color-brand-dark);
}

body {
    font-family: 'Inter', sans-serif;
}

h1,
h2,
h3 {
    font-family: 'Space Grotesk', sans-serif;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding-left: 16px;
    padding-right: 16px;
    width: 100%;
}

@media (max-width: 900px) {

    .home-layout,
    .gallery-layout,
    .article-layout {
        grid-template-columns: 1fr !important;
    }
}

.card,
.spotlight-viewport,
.related-box,
.article-figure,
.grid {
    max-width: 100%;
    overflow-x: hidden;
}


@media (min-width: 768px) {
    .container {
        padding-left: 24px;
        padding-right: 24px;
    }
}

.article-container {
    max-width: none;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .article-container {
        max-width: 100%;
    }

    .reading-box {
        padding: 20px 16px;
    }
}

#image-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
}

.overlay-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
}

#overlay-img {
    position: relative;
    max-width: 85vw;
    max-height: 85vh;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.figure-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 16px;
}

/* Homepage split layout */
.home-layout {
    display: grid;
    grid-template-columns: 1.2fr 2fr;
    gap: 40px;
    align-items: start;
}

@media (max-width: 900px) {
    .home-layout {
        grid-template-columns: 1fr;
    }
}

.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 1.2fr);
    gap: 48px;
    align-items: start;
}

@media (max-width: 900px) {
    .article-layout {
        grid-template-columns: 1fr;
    }
}

.article-figure {
    margin-bottom: 32px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    background: var(--bg-surface-2);
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow: visible;
    /* allow buttons to show */
}

.figure-actions .btn {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
}


.article-figure img {
    max-height: 280px;
    width: auto;
    max-width: 100%;
    display: block;
}



.related-box {
    background: var(--bg-surface);
    padding: 24px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.related-box h3 {
    font-size: 1.2rem;
    margin-bottom: 16px;
}


.related-card {
    padding: 12px;
    border-radius: 10px;
    margin-bottom: 12px;
    background: var(--bg-surface-2);
}

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

.related-card:last-child {
    border-bottom: none;
}



.related-card h4 {
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.related-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Allow article layout to use full width */
.article-layout {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 3.5fr) minmax(0, 1.2fr);
    gap: 48px;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

@media (max-width: 768px) {
    .article-figure img {
        width: 100%;
    }
}


@media (max-width: 900px) {
    .article-layout {
        grid-template-columns: 1fr;
    }
}



.related-box {
    background: var(--bg-surface);
    padding: 24px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.related-card {
    background: var(--bg-surface-2);
    padding: 12px;
    border-radius: 10px;
    margin-bottom: 12px;
    cursor: pointer;
}

.related-card:hover {
    box-shadow: var(--shadow-sm);
    transform: translateY(-4px);
}

.related-box {
    margin-top: 180px;
    /* aligns with image top */
}

@media (max-width: 900px) {
    .related-box {
        margin-top: 0;
    }
}

#art-title {
    font-size: 1.5rem;
    line-height: 1.0;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 1024px) {
    #art-title {
        font-size: 1.0rem;
    }
}

@media (max-width: 768px) {
    #art-title {
        font-size: 1.0rem;
    }
}

.figure-actions {
    margin-top: 12px;
    padding: 8px 0 0;
    display: flex;
    justify-content: center;
    gap: 12px;
    background: transparent;
}

.article-figure {
    margin-bottom: 32px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    background: var(--bg-surface-2);
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow: visible;
}

.article-figure img {
    max-height: 280px;
    width: auto;
    max-width: 100%;
    display: block;
}

.figure-actions {
    margin-top: 12px;
    padding: 8px 0 0;
    display: flex;
    justify-content: center;
    gap: 12px;
}

html,
body {
    max-width: 100%;
    overflow-x: hidden;
}

.container {
    width: 100%;
    padding-left: 16px;
    padding-right: 16px;
}

.card,
.spotlight-viewport,
.related-box,
.article-figure,
.grid {
    max-width: 100%;
    overflow-x: hidden;
}

.filter-bar {
    overflow-x: auto;
    max-width: 100%;
}

@media (max-width: 900px) {

    .home-layout,
    .gallery-layout,
    .article-layout {
        grid-template-columns: 1fr !important;
    }
}