/* ============================================================
   Shadow AI Watch - Stylesheet
   Built with CSS custom properties. Never hardcode colours.
   ============================================================ */

/* --- CSS Variables --- */
:root {
    /* Brand colours */
    --color-primary: #2D6A4F;
    --color-primary-rgb: 45, 106, 79;
    --color-primary-dark: #1B4332;
    --color-primary-light: #40916C;
    --color-secondary: #74A68D;
    --color-secondary-rgb: 116, 166, 141;
    --color-accent: #E9A319;
    --color-accent-rgb: 233, 163, 25;
    --color-accent-dark: #C4880F;

    /* Neutrals */
    --color-charcoal: #2B2D2E;
    --color-graphite: #555759;
    --color-slate: #787A7C;
    --color-silver: #A0A2A4;
    --color-border: #D4D0CA;
    --color-surface: #EDEAE5;
    --color-offwhite: #F8F7F4;
    --color-white: #FFFFFF;

    /* Semantic */
    --color-text: var(--color-charcoal);
    --color-text-light: var(--color-graphite);
    --color-text-muted: var(--color-slate);
    --color-bg: var(--color-offwhite);
    --color-bg-alt: var(--color-surface);

    /* Typography */
    --font-serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Layout */
    --container-max: 1200px;
    --container-narrow: 800px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Transitions */
    --transition: 0.2s ease;
}

/* Compensate for sticky sponsor bar */
body {
    padding-bottom: 52px;
}

/* --- Reset --- */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-charcoal);
    margin: 0 0 var(--space-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.125rem; }

p { margin: 0 0 var(--space-md); }

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--color-primary-dark);
}

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

ul, ol {
    padding-left: var(--space-lg);
    margin: 0 0 var(--space-md);
}

li {
    margin-bottom: var(--space-xs);
}

/* --- Layout --- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

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

.section {
    padding: var(--space-4xl) 0;
}

.section-alt {
    background: var(--color-white);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-header h2 {
    margin-bottom: var(--space-sm);
}

.section-header p {
    color: var(--color-text-light);
    font-size: 1.125rem;
}

/* --- Logo (CSS rendered) --- */
.site-logo,
.footer-logo {
    display: inline-flex;
    align-items: baseline;
    gap: 0;
    text-decoration: none;
}

.logo-shadow {
    font-family: var(--font-serif);
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.logo-watch {
    font-family: var(--font-serif);
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.5px;
    position: relative;
    margin-left: 0.3em;
}

.logo-watch::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--color-accent);
    border-radius: 2px;
}

.site-logo .logo-shadow,
.site-logo .logo-watch {
    font-size: 1.5rem;
}

.footer-logo .logo-shadow,
.footer-logo .logo-watch {
    font-size: 1.25rem;
}

.site-logo:hover .logo-shadow,
.site-logo:hover .logo-watch,
.footer-logo:hover .logo-shadow,
.footer-logo:hover .logo-watch {
    color: var(--color-primary-dark);
}

/* --- Header --- */
.site-header {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

/* --- Navigation --- */
.site-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--space-xs);
}

.nav-link {
    display: block;
    padding: var(--space-sm) var(--space-md);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-light);
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
}

.nav-link:hover {
    color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.06);
}

/* Dropdown */
.has-dropdown {
    position: relative;
}

.dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-sm) 0;
    min-width: 200px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    list-style: none;
    z-index: 200;
}

.has-dropdown:hover .dropdown {
    display: block;
}

.dropdown li a {
    display: block;
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.9375rem;
    color: var(--color-text-light);
    transition: background var(--transition), color var(--transition);
}

.dropdown li a:hover {
    background: rgba(var(--color-primary-rgb), 0.06);
    color: var(--color-primary);
}

/* Mobile menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    flex-direction: column;
    gap: 5px;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-charcoal);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

/* --- Hero --- */
.hero {
    padding: var(--space-4xl) 0;
    text-align: center;
}

.hero h1 {
    font-size: 3.25rem;
    max-width: 900px;
    margin: 0 auto var(--space-lg);
    color: var(--color-charcoal);
}

.hero .lead {
    font-size: 1.25rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-sans);
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1.4;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background: rgba(var(--color-primary-rgb), 0.06);
    color: var(--color-primary-dark);
}

.btn-accent {
    background: var(--color-accent);
    color: var(--color-charcoal);
}

.btn-accent:hover {
    background: var(--color-accent-dark);
    color: var(--color-charcoal);
}

/* --- Stats Bar --- */
.stats-bar {
    background: var(--color-white);
    padding: var(--space-3xl) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    text-align: center;
}

.stat-item {
    padding: var(--space-lg);
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.1;
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.9375rem;
    color: var(--color-text-light);
}

.stat-source {
    font-size: 0.75rem;
    color: var(--color-silver);
    margin-top: var(--space-xs);
}

/* --- Topic Cards --- */
.topic-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.topic-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl) var(--space-xl);
    text-decoration: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.topic-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 16px rgba(var(--color-primary-rgb), 0.08);
}

.topic-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
    color: var(--color-charcoal);
}

.topic-card p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    margin: 0;
    line-height: 1.5;
}

.topic-card .card-icon {
    width: 40px;
    height: 40px;
    margin-bottom: var(--space-md);
    color: var(--color-primary);
}

/* --- Blog/Article Cards --- */
.article-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.article-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.article-card:hover {
    border-color: var(--color-secondary);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.article-card-body {
    padding: var(--space-xl);
}

.article-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.08);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
}

.article-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
}

.article-card h3 a {
    color: var(--color-charcoal);
}

.article-card h3 a:hover {
    color: var(--color-primary);
}

.article-card p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    margin: 0;
}

.article-card-tag {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.08);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
}

.article-card-tag.tag-compliance {
    color: var(--color-accent-dark);
    background: rgba(var(--color-accent-rgb), 0.12);
}
.article-card-tag.tag-shadow-ai {
    color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.10);
}

.article-card-tag.tag-research {
    color: #6B5B95;
    background: rgba(107, 91, 149, 0.08);
}

.article-card-tag.tag-governance {
    color: #2B6CB0;
    background: rgba(43, 108, 176, 0.08);
}

.article-card-meta {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-slate);
    margin-top: var(--space-md);
}

a.article-card {
    display: block;
    padding: var(--space-xl);
    text-decoration: none;
    color: inherit;
}

a.article-card:hover {
    color: inherit;
}

a.article-card h3 {
    color: var(--color-charcoal);
    transition: color var(--transition);
}

a.article-card:hover h3 {
    color: var(--color-primary);
}

/* --- Hub Pages --- */
.hub-intro {
    padding: var(--space-xl) 0 var(--space-2xl);
}

.hub-intro p {
    font-size: 1.0625rem;
    color: var(--color-text-light);
    margin: 0;
}

.hub-grid {
    padding: 0 0 var(--space-4xl);
}

/* --- Featured Resource --- */
.featured-resource {
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-3xl);
    display: flex;
    align-items: center;
    gap: var(--space-3xl);
}

.featured-resource h3 {
    color: var(--color-white);
    font-size: 1.5rem;
}

.featured-resource p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.0625rem;
}

/* --- Resource Cards --- */
.resource-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

.resource-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    background: var(--color-white);
    transition: box-shadow var(--transition);
}

.resource-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.resource-card-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm);
    background: rgba(var(--color-primary-rgb), 0.1);
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.resource-card h2 {
    font-size: 1.375rem;
    margin-bottom: var(--space-sm);
    color: var(--color-primary-dark);
}

.resource-card p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.resource-card-meta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.resource-card-meta span {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    background: var(--color-surface);
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm);
}

.resource-download {
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.resource-download-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-sans);
    background: var(--color-accent);
    color: var(--color-charcoal);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition);
}

.resource-download-btn:hover {
    background: var(--color-accent-dark);
}

.resource-email-form {
    display: none;
    gap: var(--space-sm);
    align-items: center;
}

.resource-email-form input[type="email"] {
    flex: 1;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-family: var(--font-sans);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-white);
    color: var(--color-text);
    outline: none;
    transition: border-color var(--transition);
    max-width: 320px;
}

.resource-email-form input[type="email"]:focus {
    border-color: var(--color-primary);
}

.resource-email-form button {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-sans);
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition);
    white-space: nowrap;
}

.resource-email-form button:hover {
    background: var(--color-primary-dark);
}

.resource-email-form button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.resource-msg {
    font-size: 0.875rem;
    margin-top: var(--space-sm);
    min-height: 1.25rem;
}

.resource-msg--success {
    color: var(--color-primary);
}

.resource-msg--error {
    color: #c0392b;
}

.resource-coming-soon {
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-2xl);
}

.resource-coming-soon h2 {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-sm);
}

.resource-coming-soon p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

/* --- Newsletter Section --- */
.newsletter-section {
    background: var(--color-surface);
    padding: var(--space-3xl) 0;
    text-align: center;
}

.newsletter-section h2 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.newsletter-section p {
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
}

.newsletter-form {
    display: flex;
    gap: var(--space-sm);
    max-width: 440px;
    margin: 0 auto;
}

.newsletter-form input[type="email"] {
    flex: 1;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-family: var(--font-sans);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-white);
    color: var(--color-text);
    outline: none;
    transition: border-color var(--transition);
}

.newsletter-form input[type="email"]:focus {
    border-color: var(--color-primary);
}

.newsletter-form button {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-sans);
    background: var(--color-accent);
    color: var(--color-charcoal);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition);
    white-space: nowrap;
}

.newsletter-form button:hover {
    background: var(--color-accent-dark);
}

/* --- Footer --- */
.site-footer {
    background: var(--color-charcoal);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand .footer-logo .logo-shadow,
.footer-brand .footer-logo .logo-watch {
    color: var(--color-white);
}

.footer-tagline {
    font-size: 0.9375rem;
    margin-top: var(--space-md);
    line-height: 1.6;
}

.footer-links h4 {
    color: var(--color-white);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-lg);
}

.footer-links ul {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-newsletter h4 {
    color: var(--color-white);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-lg);
}

.footer-newsletter p {
    font-size: 0.9375rem;
    margin-bottom: var(--space-md);
}

.footer-newsletter .newsletter-form input[type="email"] {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
}

.footer-newsletter .newsletter-form input[type="email"]::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.newsletter-msg {
    font-size: 0.875rem;
    margin: var(--space-sm) 0 0;
    min-height: 1.25rem;
}

.newsletter-msg--success {
    color: #6fcf97;
}

.newsletter-msg--error {
    color: #f87171;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
}

.footer-bottom-links {
    display: flex;
    gap: var(--space-lg);
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom-links a:hover {
    color: var(--color-white);
}

/* --- Sponsor Banner --- */
.sponsor-section {
    padding: var(--space-lg) 0;
}

.sponsor-banner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg) var(--space-xl);
    text-decoration: none;
    transition: border-color var(--transition), box-shadow var(--transition);
    position: relative;
    gap: var(--space-xl);
}

.sponsor-banner:hover {
    border-color: var(--color-secondary);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.sponsor-label {
    position: absolute;
    top: -10px;
    left: var(--space-xl);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-silver);
    background: var(--color-bg);
    padding: 0 var(--space-sm);
}

.sponsor-logo-area {
    flex-shrink: 0;
    width: 120px;
}

.sponsor-logo-area img {
    display: block;
    width: 100%;
    height: auto;
}

.sponsor-text {
    min-width: 0;
}

.sponsor-headline {
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: 1.0625rem;
    color: var(--color-charcoal);
    margin: 0 0 var(--space-xs);
}

.sponsor-sub {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin: 0;
    line-height: 1.5;
}

.sponsor-cta {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition);
    white-space: nowrap;
}

.sponsor-banner:hover .sponsor-cta {
    background: var(--color-primary);
    color: var(--color-white);
}

/* --- Sticky Footer Sponsor Bar --- */
.sticky-sponsor {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-charcoal);
    z-index: 90;
    padding: var(--space-sm) 0;
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.15);
}

.sticky-sponsor-inner {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.sticky-sponsor-label {
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255, 255, 255, 0.4);
    flex-shrink: 0;
}

.sticky-sponsor-text {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.85);
    flex: 1;
}

.sticky-sponsor-cta {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 1rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-charcoal);
    background: var(--color-accent);
    border-radius: var(--radius-sm);
    text-decoration: none;
    white-space: nowrap;
    transition: background var(--transition);
    flex-shrink: 0;
}

.sticky-sponsor-cta:hover {
    background: var(--color-accent-dark);
    color: var(--color-charcoal);
}

.sticky-sponsor-close {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.4);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0 var(--space-sm);
    line-height: 1;
    transition: color var(--transition);
    flex-shrink: 0;
}

.sticky-sponsor-close:hover {
    color: rgba(255, 255, 255, 0.8);
}

.sticky-sponsor.hidden {
    display: none;
}

/* --- Article Pages --- */
.article-header {
    padding: var(--space-4xl) 0 var(--space-2xl);
    border-bottom: 1px solid var(--color-border);
}

.article-header-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.08);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
}

.article-header h1 {
    font-size: 2.5rem;
    max-width: 700px;
    margin-bottom: var(--space-md);
}

.article-header .lead {
    max-width: 600px;
    font-size: 1.125rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.article-meta {
    font-size: 0.875rem;
    color: var(--color-slate);
}

.meta-sep {
    margin: 0 var(--space-sm);
    color: var(--color-silver);
}

.article-body {
    padding: var(--space-3xl) var(--space-xl) var(--space-4xl);
}

.article-body h2 {
    font-size: 1.625rem;
    margin-top: var(--space-3xl);
    margin-bottom: var(--space-md);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.article-body h2:first-child {
    border-top: none;
    padding-top: 0;
    margin-top: 0;
}

.article-body h3 {
    font-size: 1.25rem;
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-sm);
}

.article-body p {
    font-size: 1.0625rem;
    line-height: 1.75;
    margin-bottom: var(--space-lg);
}

.article-body a {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-color: rgba(var(--color-primary-rgb), 0.3);
    text-underline-offset: 3px;
    transition: text-decoration-color var(--transition);
}

.article-body a:hover {
    text-decoration-color: var(--color-primary);
}

.article-body strong {
    font-weight: 600;
    color: var(--color-charcoal);
}

.article-body ul,
.article-body ol {
    font-size: 1.0625rem;
    line-height: 1.75;
    margin-bottom: var(--space-lg);
    padding-left: var(--space-xl);
}

.article-body li {
    margin-bottom: var(--space-sm);
}

.article-body blockquote {
    border-left: 3px solid var(--color-primary);
    margin: var(--space-xl) 0;
    padding: var(--space-md) var(--space-xl);
    background: rgba(var(--color-primary-rgb), 0.04);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.article-body blockquote p {
    font-size: 1rem;
    color: var(--color-text-light);
    margin: 0;
}

.article-body hr {
    display: none;
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-2xl) 0;
    font-size: 0.9375rem;
    line-height: 1.5;
}

.article-body thead {
    background: rgba(var(--color-primary-rgb), 0.06);
    border-bottom: 2px solid rgba(var(--color-primary-rgb), 0.2);
}

.article-body th {
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    font-weight: 600;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-primary-dark);
}

.article-body td {
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
    color: var(--color-text);
}

.article-body tbody tr:last-child td {
    border-bottom: none;
}

.article-body tbody tr:hover {
    background: rgba(var(--color-primary-rgb), 0.03);
}

.article-body em {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

/* Source list at bottom */
.article-body ul:last-child li,
.article-body ul:last-of-type li {
    font-size: 0.9375rem;
}

@media (max-width: 768px) {
    .article-header h1 {
        font-size: 1.875rem;
    }

    .article-body p,
    .article-body ul,
    .article-body ol {
        font-size: 1rem;
    }

    .article-body h2 {
        font-size: 1.375rem;
    }
}

/* --- Utility Classes --- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.lead { font-size: 1.25rem; color: var(--color-text-light); line-height: 1.6; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.bg-white { background: var(--color-white); }
.bg-alt { background: var(--color-surface); }

/* --- Content Pages --- */
.page-header {
    padding: var(--space-3xl) 0 var(--space-xl);
    text-align: center;
}

.page-header h1 {
    max-width: 700px;
    margin: 0 auto var(--space-md);
}

.page-header .lead {
    max-width: 600px;
    margin: 0 auto;
}

.content {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 0 var(--space-xl) var(--space-4xl);
}

.content h2 {
    margin-top: var(--space-3xl);
}

.content h3 {
    margin-top: var(--space-2xl);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .topic-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2xl);
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }

    .hero h1 { font-size: 2.25rem; }
    .hero .lead { font-size: 1.125rem; }

    .mobile-menu-toggle {
        display: flex;
    }

    .site-nav {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-white);
        border-bottom: 1px solid var(--color-border);
        padding: var(--space-md) 0;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    }

    .site-nav.active {
        display: block;
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
    }

    .nav-link {
        padding: var(--space-md) var(--space-xl);
    }

    .has-dropdown .dropdown {
        position: static;
        display: none;
        box-shadow: none;
        border: none;
        padding-left: var(--space-xl);
    }

    .has-dropdown.open .dropdown {
        display: block;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .topic-grid {
        grid-template-columns: 1fr;
    }

    .article-grid {
        grid-template-columns: 1fr;
    }

    .featured-resource {
        flex-direction: column;
        text-align: center;
    }

    .sponsor-banner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-md);
        padding: var(--space-xl);
    }

    .sponsor-logo-area {
        width: 120px;
        margin: 0 auto;
    }

    .sponsor-label {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .resource-email-form {
        flex-direction: column;
        align-items: stretch;
    }

    .resource-email-form input[type="email"] {
        max-width: 100%;
    }

    .sticky-sponsor-text {
        display: none;
    }

    .sticky-sponsor-inner {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

    .hero h1 { font-size: 1.875rem; }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

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

/* =====================================================
   GLOSSARY
   ===================================================== */

.glossary-nav {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: var(--space-lg);
    margin-bottom: var(--space-3xl);
}

.glossary-nav p {
    font-size: 0.875rem;
    color: var(--color-muted);
    margin: 0 0 var(--space-sm) 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.glossary-nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    list-style: none;
    margin: 0;
    padding: 0;
}

.glossary-nav-links li a {
    display: inline-block;
    padding: 4px 10px;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
}

.glossary-nav-links li a:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.glossary-section {
    margin-bottom: var(--space-4xl);
}

.glossary-letter {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: var(--space-sm);
    margin-bottom: var(--space-xl);
    scroll-margin-top: 80px;
}

.glossary-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.glossary-item dt {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
    scroll-margin-top: 80px;
}

.glossary-item dt .term-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 2px 6px;
    border-radius: 3px;
    margin-left: var(--space-sm);
    vertical-align: middle;
    background: rgba(var(--color-primary-rgb), 0.1);
    color: var(--color-primary);
}

.glossary-item dd {
    margin: 0;
    color: var(--color-text);
    line-height: 1.7;
    font-size: 0.9375rem;
}

.glossary-item dd .see-also {
    display: block;
    margin-top: var(--space-xs);
    font-size: 0.85rem;
    color: var(--color-muted);
}

.glossary-item dd .see-also a {
    color: var(--color-primary);
}

.glossary-back {
    font-size: 0.8125rem;
    color: var(--color-muted);
    text-decoration: none;
    float: right;
    margin-top: 2px;
}

.glossary-back:hover {
    color: var(--color-primary);
}

/* ============================================================
   Search : Header Input
   ============================================================ */

.header-search {
    margin-left: var(--space-md);
    flex-shrink: 0;
}

.header-search-inner {
    position: relative;
    display: flex;
    align-items: center;
}

.header-search-icon {
    position: absolute;
    left: 10px;
    color: var(--color-slate);
    pointer-events: none;
}

.header-search-input {
    width: 180px;
    padding: 7px 12px 7px 32px;
    font-size: 0.875rem;
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-offwhite);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition), box-shadow var(--transition), width var(--transition);
    -webkit-appearance: none;
}

.header-search-input::placeholder {
    color: var(--color-silver);
}

.header-search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.12);
    width: 240px;
    background: var(--color-white);
}

/* hide the native search clear button */
.header-search-input::-webkit-search-cancel-button {
    -webkit-appearance: none;
}

/* ============================================================
   Search : Footer Input
   ============================================================ */

.footer-search-bar {
    padding: var(--space-lg) 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: var(--space-lg);
}

.footer-search {
    max-width: 480px;
}

.footer-search-inner {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.footer-search-icon {
    position: absolute;
    left: 12px;
    color: var(--color-silver);
    pointer-events: none;
}

.footer-search-input {
    flex: 1;
    padding: 10px 12px 10px 36px;
    font-size: 0.9375rem;
    font-family: var(--font-body);
    color: var(--color-charcoal);
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition), background var(--transition);
    -webkit-appearance: none;
}

.footer-search-input::placeholder {
    color: var(--color-silver);
}

.footer-search-input:focus {
    outline: none;
    border-color: var(--color-primary-light);
    background: rgba(255,255,255,0.12);
}

.footer-search-input::-webkit-search-cancel-button {
    -webkit-appearance: none;
}

.footer-search-btn {
    padding: 10px 20px;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: var(--font-body);
    color: var(--color-white);
    background: var(--color-primary);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition);
    white-space: nowrap;
}

.footer-search-btn:hover {
    background: var(--color-primary-light);
}

/* ============================================================
   Search : Results Page
   ============================================================ */

.search-page {
    padding: var(--space-2xl) 0 var(--space-3xl);
    min-height: 60vh;
}

.search-page-header {
    margin-bottom: var(--space-xl);
}

.search-page-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-xs);
}

.search-page-intro {
    color: var(--color-text-light);
    font-size: 1rem;
}

/* ============================================================
   PagefindUI overrides : match SAW palette
   ============================================================ */

#search {
    --pagefind-ui-scale: 1;
    --pagefind-ui-primary: #2d6a4f;
    --pagefind-ui-text: #1a2e22;
    --pagefind-ui-background: #ffffff;
    --pagefind-ui-border: #dce8e0;
    --pagefind-ui-tag: #2d6a4f;
    --pagefind-ui-border-width: 2px;
    --pagefind-ui-border-radius: 6px;
    --pagefind-ui-image-border-radius: 4px;
    --pagefind-ui-image-box-ratio: 3 / 2;
    --pagefind-ui-font: var(--font-body, 'Inter', sans-serif);
    max-width: 860px;
}

#search .pagefind-ui__search-input {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text);
    border-color: var(--color-border);
}

#search .pagefind-ui__search-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.12);
}

#search .pagefind-ui__search-clear {
    color: var(--color-slate);
}

#search .pagefind-ui__result {
    border-color: var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
}

#search .pagefind-ui__result:hover {
    border-color: var(--color-primary);
}

#search .pagefind-ui__result-title {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--color-primary-dark);
}

#search .pagefind-ui__result-title a:hover {
    color: var(--color-primary);
}

#search .pagefind-ui__result-excerpt {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

#search mark {
    background: rgba(45, 106, 79, 0.15);
    color: inherit;
    border-radius: 2px;
    padding: 0 2px;
}

#search .pagefind-ui__message {
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

/* ============================================================
   Search : Responsive
   ============================================================ */

@media (max-width: 768px) {
    .header-search {
        display: none;
    }

    .footer-search-inner {
        flex-direction: column;
        align-items: stretch;
    }

    .footer-search-btn {
        width: 100%;
    }
}