/* ==========================================================================
   Spermageddon — Editorial Documentary Aesthetic
   Full production stylesheet
   ========================================================================== */

:root {
    --color-bg:         #F6F3EE;
    --color-bg-alt:     #EDE8E0;
    --color-bg-dark:    #1A1915;
    --color-text:       #2C2A25;
    --color-text-muted: #6B6660;
    --color-heading:    #1A1915;
    --color-accent:     #B8432F;
    --color-accent-dim: #D4765A;
    --color-accent-bg:  #FAF0ED;
    --color-rule:       #C9C2B8;
    --color-card:       #FFFFFF;
    --color-card-border:#DDD7CE;
    --color-success:    #2D5A2D;
    --color-success-bg: #EBF5EB;
    --color-error:      #8B2020;
    --color-error-bg:   #FAECEB;
    --color-warning-bg: #FFF8E6;
    --color-warning:    #7A6520;

    --font-display: 'Playfair Display', Georgia, serif;
    --font-body:    'Source Serif 4', Georgia, serif;
    --font-ui:      'DM Sans', system-ui, sans-serif;

    --max-width:    1200px;
    --narrow:       680px;
    --space-xs:     0.5rem;
    --space-sm:     1rem;
    --space-md:     2rem;
    --space-lg:     4rem;
    --space-xl:     6rem;
    --radius:       3px;
}

/* ═══ Reset ═══ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--color-heading); }

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

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-rule);
    backdrop-filter: blur(8px);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    color: var(--color-heading);
    flex-shrink: 0;
}

.logo-mark {
    font-size: 1.4rem;
    color: var(--color-accent);
    animation: pulse-down 2.5s ease-in-out infinite;
}

@keyframes pulse-down {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(3px); opacity: 0.6; }
}

.logo-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.site-nav {
    display: flex;
    gap: 0.25rem;
}

.site-nav a {
    font-family: var(--font-ui);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--color-text-muted);
    padding: 0.4rem 0.65rem;
    border-radius: var(--radius);
    transition: all 0.2s;
    letter-spacing: 0.01em;
}

.site-nav a:hover,
.site-nav a.active {
    color: var(--color-heading);
    background: var(--color-bg-alt);
}

.site-nav a.active { font-weight: 600; }

.admin-link {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    padding: 0.3rem;
    margin-left: 0.5rem;
}

.header-auth-link {
    font-family: var(--font-ui);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-text-muted);
    padding: 0.35rem 0.75rem;
    border: 1px solid var(--color-rule);
    border-radius: var(--radius);
    margin-left: 0.5rem;
    transition: all 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
}

.header-auth-link:hover {
    color: var(--color-heading);
    border-color: var(--color-heading);
    background: var(--color-bg-alt);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-heading);
    transition: all 0.3s;
}

.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ==========================================================================
   Flash Messages
   ========================================================================== */

.flash-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-sm) var(--space-md) 0;
}

.flash {
    padding: 0.75rem 1.25rem;
    font-family: var(--font-ui);
    font-size: 0.85rem;
    border-radius: var(--radius);
    border: 1px solid;
    margin-bottom: var(--space-xs);
    transition: opacity 0.3s, transform 0.3s;
}

.flash-success { background: var(--color-success-bg); color: var(--color-success); border-color: #B8D8B8; }
.flash-error   { background: var(--color-error-bg);   color: var(--color-error);   border-color: #D4A0A0; }
.flash-warning { background: var(--color-warning-bg); color: var(--color-warning); border-color: #D4C990; }
.flash-info    { background: #EBF0FA; color: #2A4A7F; border-color: #B0C4DE; }

/* ==========================================================================
   Hero Sections
   ========================================================================== */

.hero {
    padding: var(--space-xl) var(--space-md) var(--space-lg);
    max-width: var(--max-width);
    margin: 0 auto;
    border-bottom: 2px solid var(--color-heading);
}

.hero-label {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.08;
    color: var(--color-heading);
    letter-spacing: -0.03em;
    max-width: 16ch;
    margin-bottom: var(--space-md);
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    line-height: 1.6;
    color: var(--color-text-muted);
    max-width: 52ch;
    font-style: italic;
}

/* Home hero — larger */
.page-home .hero {
    padding: var(--space-xl) var(--space-md);
    min-height: 55vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.page-home .hero h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    max-width: 14ch;
}

/* DNA helix hero variant */
.hero-dna {
    position: relative;
    overflow: hidden;
}

.dna-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.hero-dna .hero-content {
    position: relative;
    z-index: 2;
}

/* ==========================================================================
   Sections
   ========================================================================== */

.section {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-lg) var(--space-md);
}

.section + .section { border-top: 1px solid var(--color-rule); }

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

.section-header h2 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 700;
    color: var(--color-heading);
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.section-header p {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    max-width: 55ch;
}

/* Dark section (full-width break) */
.section-dark {
    background: var(--color-bg-dark);
    color: #ccc;
    padding: var(--space-xl) var(--space-md);
}

.section-dark h2 {
    font-family: var(--font-display);
    color: #fff;
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 1rem;
}

.section-dark p {
    max-width: 60ch;
    line-height: 1.8;
    font-size: 1.05rem;
}

.section-dark a {
    color: var(--color-accent-dim);
}

/* ==========================================================================
   Prose Content
   ========================================================================== */

.prose {
    max-width: var(--narrow);
    font-size: 1.125rem;
    line-height: 1.8;
}

.prose p + p { margin-top: 1.2em; }

.prose h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-heading);
    margin: 2em 0 0.6em;
}

.prose blockquote {
    border-left: 3px solid var(--color-accent);
    padding-left: var(--space-md);
    margin: 1.5em 0;
    font-style: italic;
    color: var(--color-text-muted);
}

.prose ul, .prose ol {
    margin: 1em 0;
    padding-left: 1.5em;
}

.prose li { margin-bottom: 0.4em; }

.prose a { text-decoration: underline; text-underline-offset: 2px; }

/* ==========================================================================
   Stat Cards
   ========================================================================== */

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-md);
}

.stat-card {
    background: var(--color-card);
    border: 1px solid var(--color-card-border);
    padding: var(--space-md);
    position: relative;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--color-accent);
}

.stat-value {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-heading);
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-family: var(--font-body);
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--color-text);
    margin-bottom: 0.75rem;
}

.stat-source {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-rule);
    padding-top: 0.5rem;
}

/* ==========================================================================
   Article / Link List
   ========================================================================== */

.article-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: var(--color-rule);
    border: 1px solid var(--color-rule);
}

.article-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-card);
    transition: background 0.2s;
    text-decoration: none;
}

.article-item:hover { background: var(--color-bg-alt); }
.article-title {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-heading);
    flex: 1;
}
.article-source {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--color-accent-dim);
}
.article-meta {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    white-space: nowrap;
}

/* ==========================================================================
   Cause / Info Cards
   ========================================================================== */

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-md);
}

.card {
    background: var(--color-card);
    border: 1px solid var(--color-card-border);
    padding: var(--space-md) var(--space-md) var(--space-sm);
}

.card h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-rule);
}

.card p {
    font-size: 0.95rem;
    line-height: 1.65;
    color: var(--color-text);
    margin-bottom: 0.75rem;
}

.card .tag {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.card .card-type {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

/* ==========================================================================
   Timeline
   ========================================================================== */

.timeline {
    position: relative;
    padding-left: 2.5rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 2px;
    background: var(--color-rule);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-lg);
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.5rem;
    top: 0.5rem;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-accent);
    border: 2px solid var(--color-bg);
    transform: translateX(-4px);
}

.timeline-year {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: 0.25rem;
}

.timeline-item h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 0.5rem;
}

.timeline-item p {
    font-size: 0.95rem;
    color: var(--color-text);
    max-width: 55ch;
    line-height: 1.65;
}

.timeline-item .timeline-source {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    color: var(--color-text-muted);
    margin-top: 0.5rem;
}

/* ==========================================================================
   Blog Cards
   ========================================================================== */

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--space-md);
}

.blog-card {
    background: var(--color-card);
    border: 1px solid var(--color-card-border);
    overflow: hidden;
    transition: box-shadow 0.2s;
}

.blog-card:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.blog-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.blog-card-image-thumb {
    width: 100px;
    height: 80px;
    object-fit: cover;
}

.blog-card-body {
    padding: var(--space-md);
}

.blog-card-category {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.blog-card h3 {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-heading);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.blog-card h3 a {
    color: inherit;
    text-decoration: none;
}

.blog-card h3 a:hover { color: var(--color-accent); }

.blog-card-excerpt {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: 0.75rem;
}

.blog-card-meta {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* Blog single post */
.blog-post-header {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-lg) var(--space-md) var(--space-md);
}

.blog-post-header .post-category {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.blog-post-header h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    line-height: 1.15;
    color: var(--color-heading);
    margin-bottom: var(--space-sm);
}

.blog-post-header .post-meta {
    font-family: var(--font-ui);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.blog-post-image {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md) var(--space-md);
}

.blog-post-image img {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
}

.blog-post-content {
    max-width: var(--narrow);
    margin: 0 auto;
    padding: 0 var(--space-md) var(--space-lg);
}

/* ==========================================================================
   SVG Continent Map
   ========================================================================== */

.map-wrapper {
    position: relative;
    max-width: var(--max-width);
    margin: 0 auto;
}

.continent-map {
    width: 100%;
    height: auto;
    background: var(--color-card);
    border: 1px solid var(--color-card-border);
}

.continent-path {
    fill: var(--color-rule);
    fill-opacity: 0.5;
    stroke: var(--color-bg);
    stroke-width: 0.3;
    cursor: pointer;
    transition: fill-opacity 0.25s ease, stroke-width 0.2s ease;
}

.continent-group:hover .continent-path {
    stroke-width: 0.5;
    stroke: var(--color-heading);
}

.continent-label {
    font-family: var(--font-ui);
    font-size: 9px;
    font-weight: 600;
    fill: var(--color-heading);
    text-anchor: middle;
    pointer-events: none;
    opacity: 0.7;
}

.continent-group:hover .continent-label {
    opacity: 1;
}

/* ═══ Legend ═══ */

.map-legend {
    display: flex;
    align-items: center;
    gap: 0.6rem 1rem;
    flex-wrap: wrap;
    margin-bottom: var(--space-md);
    font-family: var(--font-ui);
    font-size: 0.72rem;
    color: var(--color-text-muted);
}

.map-legend-label {
    font-weight: 600;
    color: var(--color-text);
}

.map-legend-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.legend-swatch {
    display: inline-block;
    width: 14px;
    height: 14px;
    border-radius: 2px;
    border: 1px solid rgba(0,0,0,0.1);
    flex-shrink: 0;
}

/* ═══ Tooltip ═══ */

.map-tooltip {
    position: absolute;
    background: var(--color-card);
    border: 1px solid var(--color-card-border);
    box-shadow: 0 6px 24px rgba(0,0,0,0.12);
    padding: 1rem 1.25rem;
    max-width: 340px;
    min-width: 260px;
    z-index: 20;
    pointer-events: none;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.map-tooltip.visible {
    opacity: 1;
    transform: translateY(0);
}

.tooltip-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.75rem;
    margin-bottom: 0.6rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-rule);
}

.tooltip-header h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-heading);
    margin: 0;
}

.tooltip-risk {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    white-space: nowrap;
}

.tooltip-stats {
    margin-bottom: 0.6rem;
}

.tooltip-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.2rem 0;
    font-family: var(--font-ui);
    font-size: 0.82rem;
}

.tooltip-label {
    color: var(--color-text-muted);
}

.tooltip-value {
    font-weight: 600;
    color: var(--color-heading);
}

.tooltip-notes {
    font-size: 0.78rem;
    line-height: 1.55;
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-rule);
    padding-top: 0.5rem;
    margin: 0;
}

/* ═══ Timelapse Player ═══ */

.timelapse-player {
    margin-bottom: var(--space-md);
    background: var(--color-card);
    border: 1px solid var(--color-card-border);
    padding: 1.25rem 1.5rem 1rem;
}

.timelapse-year {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-heading);
    letter-spacing: -0.02em;
    line-height: 1;
    transition: color 0.3s ease;
}

.timelapse-year-historic {
    color: var(--color-accent);
}

.timelapse-subtitle {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
    min-height: 1.2em;
}

.timelapse-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.timelapse-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--color-heading);
    background: transparent;
    color: var(--color-heading);
    font-size: 0.85rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s;
    padding-left: 2px;
}

.timelapse-btn:hover {
    background: var(--color-heading);
    color: var(--color-bg);
}

/* ── Dot-based track ── */

.timelapse-track {
    flex: 1;
    position: relative;
    height: 44px;
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
}

.timelapse-track-bg {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-rule);
    transform: translateY(-50%);
    border-radius: 2px;
}

.timelapse-track-fill {
    position: absolute;
    top: 50%;
    left: 0;
    height: 3px;
    background: var(--color-accent);
    transform: translateY(-50%);
    border-radius: 2px;
    width: 100%;
    transition: width 0.35s ease;
}

.timelapse-dot {
    position: absolute;
    top: 50%;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-card);
    border: 2px solid var(--color-rule);
    transform: translate(-50%, -50%);
    cursor: pointer;
    z-index: 2;
    transition: all 0.25s ease;
    padding: 0;
    outline: none;
}

.timelapse-dot:hover {
    border-color: var(--color-accent);
    transform: translate(-50%, -50%) scale(1.2);
}

.timelapse-dot-active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    width: 20px;
    height: 20px;
    box-shadow: 0 0 0 4px rgba(184, 67, 47, 0.15);
}

.timelapse-dot-live {
    border-style: double;
    border-width: 3px;
}

.timelapse-dot-year {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 4px;
    font-family: var(--font-ui);
    font-size: 0.62rem;
    font-weight: 600;
    color: var(--color-text-muted);
    white-space: nowrap;
    pointer-events: none;
}

.timelapse-dot-active .timelapse-dot-year {
    color: var(--color-accent);
    font-weight: 700;
}

/* ── Minimal data swatch (hatched pattern) ── */
.legend-swatch-nodata {
    background: repeating-linear-gradient(
        45deg,
        #C9C2B8,
        #C9C2B8 2px,
        #E0DAD1 2px,
        #E0DAD1 4px
    );
}

.map-note {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: var(--space-sm);
}

/* ==========================================================================
   Newsletter Section
   ========================================================================== */

.newsletter-section {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-rule);
    border-bottom: 1px solid var(--color-rule);
    padding: var(--space-lg) 0;
}

.newsletter-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.newsletter-text h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--color-heading);
    margin-bottom: 0.25rem;
}

.newsletter-text p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    max-width: 40ch;
}

.newsletter-input-group {
    display: flex;
    gap: 0;
}

.newsletter-input-group input[type="email"] {
    padding: 0.7rem 1rem;
    font-family: var(--font-ui);
    font-size: 0.9rem;
    border: 1px solid var(--color-card-border);
    border-right: none;
    background: var(--color-card);
    min-width: 260px;
}

.newsletter-input-group input[type="email"]:focus {
    outline: none;
    border-color: var(--color-accent);
}

/* ==========================================================================
   Study Submission Form
   ========================================================================== */

.submit-form {
    max-width: var(--narrow);
    background: var(--color-card);
    border: 1px solid var(--color-card-border);
    padding: var(--space-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
}

.form-group {
    margin-bottom: var(--space-sm);
}

.form-group label {
    display: block;
    font-family: var(--font-ui);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.3rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.6rem 0.8rem;
    font-family: var(--font-ui);
    font-size: 0.9rem;
    border: 1px solid var(--color-card-border);
    background: var(--color-bg);
    color: var(--color-text);
    border-radius: var(--radius);
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group textarea { min-height: 100px; resize: vertical; }

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-block;
    font-family: var(--font-ui);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.7rem 1.5rem;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    border-radius: var(--radius);
    text-decoration: none;
}

.btn-primary {
    background: var(--color-heading);
    color: var(--color-bg);
}
.btn-primary:hover { background: var(--color-accent); color: #fff; }

.btn-accent {
    background: var(--color-accent);
    color: #fff;
}
.btn-accent:hover { background: #9A3726; }

.btn-outline {
    background: transparent;
    color: var(--color-heading);
    border: 1px solid var(--color-heading);
}
.btn-outline:hover { background: var(--color-heading); color: var(--color-bg); }

.link-arrow {
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ==========================================================================
   Pagination
   ========================================================================== */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    font-family: var(--font-ui);
    font-size: 0.85rem;
}

.page-link {
    color: var(--color-accent);
    font-weight: 600;
}

.page-info {
    color: var(--color-text-muted);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
    background: var(--color-bg-dark);
    color: #999;
    padding: var(--space-lg) 0 0;
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md) var(--space-lg);
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-lg);
}

.footer-brand {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
}

.footer-tagline {
    font-size: 0.85rem;
    line-height: 1.6;
    max-width: 30ch;
}

.footer-heading {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: #ccc;
    margin-bottom: 0.75rem;
}

.footer-col a {
    display: block;
    font-family: var(--font-ui);
    font-size: 0.85rem;
    color: #999;
    padding: 0.2rem 0;
}

.footer-col a:hover { color: #fff; }

.footer-bottom {
    border-top: 1px solid #333;
    padding: var(--space-sm) var(--space-md);
    max-width: var(--max-width);
    margin: 0 auto;
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: #666;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-admin-link a { color: #666; }
.footer-admin-link a:hover { color: #ccc; }

/* ==========================================================================
   Responsive
   ========================================================================== */

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

@media (max-width: 768px) {
    .nav-toggle { display: flex; }

    .site-nav {
        display: none;
        position: absolute;
        top: 72px;
        left: 0; right: 0;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-rule);
        flex-direction: column;
        padding: var(--space-sm) var(--space-md);
    }

    .site-nav.open { display: flex; }
    .site-nav a { padding: 0.6rem 0; font-size: 0.95rem; }

    .header-auth-link { 
        position: absolute; 
        right: 60px; 
        top: 50%; 
        transform: translateY(-50%); 
    }

    .hero { padding: var(--space-lg) var(--space-md) var(--space-md); }
    .page-home .hero { min-height: 45vh; }
    .dna-canvas { opacity: 0.4; }
    .section { padding: var(--space-md); }
    .stat-grid { grid-template-columns: 1fr; }
    .card-grid { grid-template-columns: 1fr; }
    .blog-grid { grid-template-columns: 1fr; }
    .map-frame { height: 400px; }
    .map-legend { gap: 0.6rem; font-size: 0.7rem; }
    .map-tooltip { max-width: calc(100vw - 40px); min-width: 200px; }
    .timelapse-label { min-width: 100px; font-size: 0.68rem; }
    .timelapse-controls { gap: 0.5rem; }
    .timelapse-year { font-size: 2rem; }
    .timelapse-dot-year { font-size: 0.55rem; }
    .timelapse-dot { width: 14px; height: 14px; }
    .timelapse-dot-active { width: 18px; height: 18px; }
    .form-row { grid-template-columns: 1fr; }

    .newsletter-inner { flex-direction: column; align-items: flex-start; }
    .newsletter-input-group { width: 100%; }
    .newsletter-input-group input[type="email"] { min-width: 0; flex: 1; }

    .footer-inner { grid-template-columns: 1fr; gap: var(--space-md); }
    .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }

    .article-item { flex-direction: column; gap: 0.25rem; }
}

/* ==========================================================================
   Take Action — Resource Browser
   Append to style.css
   ========================================================================== */

/* ═══ Search ═══ */

.action-search-form {
    margin-bottom: var(--space-md);
}

.action-search-group {
    display: flex;
    align-items: center;
    gap: 0;
    max-width: 480px;
}

.action-search-input {
    flex: 1;
    padding: 0.65rem 1rem;
    font-family: var(--font-ui);
    font-size: 0.9rem;
    border: 1px solid var(--color-card-border);
    border-right: none;
    background: var(--color-card);
    color: var(--color-text);
    border-radius: var(--radius) 0 0 var(--radius);
    transition: border-color 0.2s;
}

.action-search-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.action-search-input::placeholder {
    color: var(--color-text-muted);
}

.action-search-btn {
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: 0.65rem 1.25rem;
    white-space: nowrap;
}

.action-search-clear {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    margin-left: 0.5rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    flex-shrink: 0;
    transition: color 0.2s;
}

.action-search-clear:hover {
    color: var(--color-error);
}

/* ═══ Category Pills ═══ */

.action-categories {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-rule);
}

.action-cat-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-ui);
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--color-text-muted);
    padding: 0.4rem 0.85rem;
    border: 1px solid var(--color-card-border);
    background: var(--color-card);
    border-radius: var(--radius);
    transition: all 0.2s;
    text-decoration: none;
    white-space: nowrap;
}

.action-cat-pill:hover {
    color: var(--color-heading);
    border-color: var(--color-text-muted);
}

.action-cat-pill.active {
    color: var(--color-card);
    background: var(--color-heading);
    border-color: var(--color-heading);
}

.action-cat-pill.active .action-cat-count {
    background: rgba(255,255,255,0.2);
    color: inherit;
}

.action-cat-count {
    font-size: 0.65rem;
    font-weight: 700;
    background: var(--color-bg-alt);
    color: var(--color-text-muted);
    padding: 0.1rem 0.4rem;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

/* ═══ Results Info ═══ */

.action-results-info {
    font-family: var(--font-ui);
    font-size: 0.82rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

.action-results-info a {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* ═══ Resource Grid ═══ */

.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-md);
}

.action-card {
    display: flex;
    flex-direction: column;
    background: var(--color-card);
    border: 1px solid var(--color-card-border);
    text-decoration: none;
    color: inherit;
    transition: box-shadow 0.2s, border-color 0.2s;
    overflow: hidden;
}

.action-card:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    border-color: var(--color-text-muted);
}

.action-card-thumb {
    width: 100%;
    height: 180px;
    overflow: hidden;
    background: var(--color-bg-alt);
    flex-shrink: 0;
}

.action-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.action-card:hover .action-card-thumb img {
    transform: scale(1.03);
}

.action-card-body {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.action-card-tags {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
    margin-bottom: 0.6rem;
}

.action-tag {
    font-family: var(--font-ui);
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-accent);
    background: var(--color-accent-bg);
    padding: 0.15rem 0.5rem;
    border-radius: 2px;
}

.action-card-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-heading);
    line-height: 1.3;
    margin-bottom: 0.5rem;
}

.action-card-desc {
    font-family: var(--font-body);
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
    flex: 1;
    /* Clamp to 3 lines */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.action-card-source {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-top: auto;
    padding-top: 0.6rem;
    border-top: 1px solid var(--color-rule);
    transition: color 0.2s;
}

.action-card:hover .action-card-source {
    color: var(--color-accent);
}

/* ═══ Empty State ═══ */

.action-empty {
    text-align: center;
    padding: var(--space-xl) var(--space-md);
}

.action-empty p {
    font-family: var(--font-ui);
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

/* ═══ Responsive ═══ */

@media (max-width: 768px) {
    .action-grid {
        grid-template-columns: 1fr;
    }

    .action-search-group {
        max-width: 100%;
    }

    .action-categories {
        gap: 0.25rem;
    }

    .action-cat-pill {
        font-size: 0.72rem;
        padding: 0.35rem 0.65rem;
    }

    .action-card-thumb {
        height: 150px;
    }
}