:root {
    /* Colors - Swedish Business Theme */
    --primary-blue: #0066CC;
    --primary-blue-dark: #004C99;
    --primary-blue-light: #3385D6;
    --accent-gold: #FFB800;
    --accent-gold-dark: #CC9400;

    --success-green: #10B981;
    --error-red: #EF4444;
    --warning-yellow: #F59E0B;

    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --bg-tertiary: #EFF6FF;
    --bg-dark: #0F172A;

    --text-primary: #1E293B;
    --text-secondary: #475569;
    --text-tertiary: #64748B;
    --text-inverse: #FFFFFF;

    --border-color: #E2E8F0;
    --border-color-dark: #CBD5E1;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0066CC 0%, #0052A3 100%);
    --gradient-gold: linear-gradient(135deg, #FFB800 0%, #FFA000 100%);
    --gradient-subtle: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);

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

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.875rem;
    --font-size-sm: 1rem;
    --font-size-md: 1.125rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;

    /* Effects */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);

    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

/* Sticky footer layout: keep footer at bottom when page content is short */
html, body {
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden; /* Prevent sideways scrollbar */
}

/* Main sections that represent the page content should grow to fill available space */
.content-wrap { 
    flex: 1 0 auto;
    display: flex;
    flex-direction: column;
}

.article-layout {
    display: grid;
    gap: var(--spacing-xl);
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
.nav-bar {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-md) 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    /* Essential for absolute centering of children */
}

.nav-logo {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--primary-blue);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all var(--transition-fast);
    z-index: 10;
    /* Ensure logo stays on top/clickable */
}

.nav-logo:hover {
    color: var(--primary-blue-dark);
    transform: translateY(-1px);
}

.nav-links {
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
    /* Absolute centering logic */
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: max-content;
    /* Prevent full width stretching */
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width var(--transition-fast);
}

.nav-link:hover {
    background: var(--bg-tertiary);
    color: var(--primary-blue);
}

.nav-link:hover::after {
    width: 60%;
}

/* Hero Section */
.hero {
    background: var(--gradient-primary);
    color: var(--text-inverse);
    /* More compact: reduce top/bottom padding from 4rem to 2rem */
    padding: var(--spacing-2xl) 0;
    text-align: center;
    position: relative;
    overflow: visible; /* allow children to render fully (tool may overflow); pseudo elements adjusted to prevent scroll */
    display: flex;
    flex-direction: column;
    align-items: flex-start; /* keep hero children stacked and prevent clipping */
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 184, 0, 0.2) 0%, transparent 70%);
    border-radius: 50%;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    /* Slightly tighter spacing between hero elements */
    gap: var(--spacing-sm);
    width: 100%;
}

.hero h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.95;
}

/* Tool Card */
.tool-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
    max-width: 728px;
    margin: 0 auto;
    text-align: left;
    position: relative;
    z-index: 2;
    margin-top: var(--spacing-lg);
}

.input-group {
    margin-bottom: var(--spacing-md);
}

.input-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

.input-group input[type="text"] {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    font-family: var(--font-primary);
    transition: all var(--transition-fast);
    background: var(--bg-primary);
}

.input-group input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.input-group small {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--text-tertiary);
    font-size: var(--font-size-xs);
}

/* Checkbox */
.checkbox-group {
    margin-bottom: var(--spacing-md);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-blue);
}

.checkbox-label span {
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
}

/* Result Section */
.result-section {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.result-section label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

.result-display {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 2px solid var(--primary-blue-light);
    margin-bottom: var(--spacing-md);
}

.vat-number {
    flex: 1;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-blue);
    font-family: 'Courier New', monospace;
    letter-spacing: 1px;
}

.btn-icon {
    background: var(--primary-blue);
    color: var(--text-inverse);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--spacing-xs);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--primary-blue-dark);
    transform: scale(1.05);
}

.btn-icon:active {
    transform: scale(0.95);
}

/* Button Group */
.button-group {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.btn-primary,
.btn-secondary {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    justify-content: center;
}

.btn-primary {
    flex: 1;
    background: var(--gradient-primary);
    color: var(--text-inverse);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

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

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-color-dark);
}

/* Validation Result */
.validation-result {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    animation: slideDown var(--transition-normal);
}

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

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

.validation-result.success {
    background: #ECFDF5;
    border: 2px solid var(--success-green);
    color: #065F46;
}

.validation-result.error {
    background: #FEF2F2;
    border: 2px solid var(--error-red);
    color: #991B1B;
}

.validation-result.loading {
    background: var(--bg-tertiary);
    border: 2px solid var(--primary-blue-light);
    color: var(--text-primary);
}

.validation-result strong {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-md);
}

.validation-result p {
    margin: var(--spacing-xs) 0;
}

.validation-result .spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--primary-blue-light);
    border-top-color: var(--primary-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    vertical-align: middle;
    margin-right: var(--spacing-xs);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Trust Badges */
.trust-badges {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-inverse);
    font-weight: 500;
    opacity: 0.9;
}

.badge svg {
    opacity: 0.8;
}

/* About Section */
.about-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-primary);
}

.about-section h2 {
    text-align: center;
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--gradient-subtle);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue-light);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* FAQ Section */
.faq-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.faq-section h2 {
    text-align: center;
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
        /* bring the tool card closer to the subtitle */
        margin-top: var(--spacing-md);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-fast);
    font-family: var(--font-primary);
}

.faq-question:hover {
    background: var(--bg-tertiary);
}

.faq-icon {
    flex-shrink: 0;
    transition: transform var(--transition-fast);
    color: var(--primary-blue);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 1000px;
}

.faq-answer p,
.faq-answer ol,
.faq-answer ul {
    padding: 0 var(--spacing-lg) var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.7;
}

.faq-answer ol,
.faq-answer ul {
    padding-left: calc(var(--spacing-lg) + var(--spacing-md));
}

.faq-answer li {
    margin: var(--spacing-xs) 0;
}

.faq-answer strong {
    color: var(--text-primary);
}

.faq-answer code {
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: 'Courier New', monospace;
    color: var(--primary-blue);
    font-size: 0.9em;
}

/* Article Section */
.article-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-primary);
}

.article-section article {
    max-width: 800px;
    margin: 0 auto;
}

.article-section h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    line-height: 1.3;
}

.article-section h3 {
    font-size: var(--font-size-xl);
    margin-top: var(--spacing-xl);
    /* Reduce space below article subheadings so they sit closer to the following paragraph */
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.article-section .lead {
    font-size: var(--font-size-md);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.article-section p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.8;
}

.article-section strong {
    color: var(--text-primary);
    font-weight: 600;
}

.tldr-box {
    background: var(--gradient-subtle);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    border-left: 6px solid var(--accent-gold);
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: var(--shadow-md);
    margin: var(--spacing-lg) 0;
    position: relative;
}

.tldr-box::after {
    content: '';
    position: absolute;
    inset: 8px;
    border-radius: var(--radius-lg);
    border: 1px dashed rgba(0, 102, 204, 0.2);
    pointer-events: none;
}

.tldr-box h3 {
    font-size: var(--font-size-lg);
    margin-top: 0 !important;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-blue-dark);
}

.tldr-box p {
    margin: 0;
    color: var(--text-secondary);
    font-size: var(--font-size-md);
}

.tldr-box code {
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    padding: 2px 6px;
    font-weight: 700;
    color: var(--primary-blue-dark);
}

.article-content h2 + .tldr-box {
    margin-top: var(--spacing-md);
}

.article-section code {
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-family: 'Courier New', monospace;
    color: var(--primary-blue);
    font-weight: 600;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-inverse);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: auto; /* push to bottom when content is short */
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--text-inverse);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer-links {
    /* Ensure there are no list markers and no unexpected left offset
       (inline defensive rules: some browsers / plugins may re-enable markers). */
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
}

/* Footer legal links */
/* Footer legal links: keep them inline, centered and with no list markers
   The ::marker rule below ensures the marker is hidden even if another
   stylesheet tries to force markers back. */
.footer-legal-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display:flex;
    gap: var(--spacing-md);
    justify-content:center;
        /* slightly reduce vertical gap to the next section */
        margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}
.footer-legal-links a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: 0.95rem;
}
.footer-legal-links a:hover { color: var(--accent-gold); }

/* Consent banner */
.consent-banner {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    left: 1rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-md);
    z-index: 2000;
    border: 1px solid var(--border-color);
}
.consent-banner p { margin-bottom: var(--spacing-xs); color: var(--text-secondary); }
.consent-actions { display:flex; gap: 0.5rem; justify-content:flex-end; }
.consent-banner button { padding: 0.5rem 0.9rem; border-radius: var(--radius-md); }
.consent-banner .btn-primary { background: var(--primary-blue); color: var(--text-inverse); }
.consent-banner .btn-secondary { background: var(--bg-secondary); color: var(--text-primary); border: 1px solid var(--border-color); }

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-size-xs);
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --font-size-3xl: 2rem;
        --font-size-2xl: 1.75rem;
        --font-size-xl: 1.25rem;
    }

    .hero {
        /* on smaller screens, keep it compact */
        padding: var(--spacing-md) 0;
    }

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

    .button-group {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
    }

    .trust-badges {
        gap: var(--spacing-md);
    }

    .result-display {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }

    .vat-number {
        font-size: 1.1rem;
        word-break: break-all;
    }

    .btn-icon {
        flex-shrink: 0;
        margin-left: var(--spacing-sm);
    }

    /* Mobile Navigation Fix */
    .nav-container {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .nav-links {
        position: static;
        transform: none;
        gap: var(--spacing-md);
        flex-wrap: wrap;
        justify-content: center;
        width: 100%;
    }

    /* Remove sticky nav on mobile to save viewport space */
    .nav-bar {
        position: static;
        top: auto;
        backdrop-filter: none;
        box-shadow: none;
        border-bottom: 1px solid var(--border-color);
    }
    /* Adjust footer legal link spacing on small screens */
    .footer-legal-links {
        gap: var(--spacing-sm);
        justify-content: center;
        margin-bottom: var(--spacing-md);
    }
}

/* Print Styles */
@media print {

    .nav-bar,
    .button-group,
    .footer {
        display: none;
    }

    body {
        background: white;
    }

    .hero {
        background: white;
        color: black;
    }

    .tool-card {
        box-shadow: none;
        border: 1px solid #000;
    }
}

/* AdSense Integration */
.ad-container {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin: var(--spacing-xl) auto;
    padding: var(--spacing-md);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
    width: 100%;
    max-width: 728px;
    /* CLS protection default */
}

/* Make ad placeholders fill available width */
ins.adsbygoogle { display: block !important; width: 100% !important; min-height: 90px !important; }

/* Make the hero ad slightly smaller to keep the hero compact */
#ad-hero-under-tool ins.adsbygoogle { min-height: 60px !important; }

.ad-label {
    position: absolute;
    top: 0;
    left: 0;
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
    font-size: 0.7rem;
    padding: 2px 6px;
    border-bottom-right-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Slot A: Hero Under-Tool */
/* Slot A: Hero Under-Tool */
#ad-hero-under-tool {
    max-width: 728px;
    /* reduce top spacing and banner height so the hero appears tighter */
    margin-top: var(--spacing-md);
    margin-bottom: 0;
    min-height: 60px;
    /* Banner height */
}

@media (max-width: 768px) {
    #ad-hero-under-tool { max-width: 320px; min-height: 60px; }
}

/* Article Layout with Sidebar */
.article-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    max-width: 1200px;
    /* Wider to accommodate sidebar */
    margin: 0 auto;
}

.article-content {
    max-width: 800px;
    /* Keep reading width optimal */
    margin: 0 auto;
    /* Center if no sidebar */
}

/* Sidebar (Slot D) */
.article-sidebar {
    display: none;
    /* Hidden by default (mobile/tablet) */
}

/* Desktop Sidebar Layout (>= 1200px) */
@media (min-width: 1200px) {
    .article-layout {
        grid-template-columns: 1fr 300px;
        /* Main content + 300px sidebar */
        align-items: start;
    }

    .article-content {
        margin: 0;
        /* Reset margin for grid */
        max-width: 100%;
    }

    .article-sidebar {
        display: block;
        position: sticky;
        top: 100px;
        /* Stick below nav */
        height: fit-content;
    }

    #ad-guide-sidebar {
        margin: 0;
        min-height: 600px;
        /* Skyscraper height */
    }
}

/* Mobile Visibility Rules */
@media (max-width: 768px) {
    #ad-guide-mid {
        display: none;
        /* Hide Slot C on mobile */
    }

    .ad-container {
        margin: var(--spacing-lg) auto;
        padding: var(--spacing-sm);
    }
}

/* Give the hero enough bottom space without leaving too much empty area */
.hero { padding-bottom: var(--spacing-2xl); }

/* Safety: ensure the tool-card is visible and not clipped/hidden by other rules */
.tool-card {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    transform: none !important;
}

/* Defensive: hide marker pseudo-elements to prevent visible bullets in
   some browsers or if third-party CSS resets/overrides are loaded. */
.footer-links li::marker,
.footer-legal-links li::marker {
    display: none;
    content: '';
}

/* More defensive reset for *almost* any UL inside footer */
.footer ul,
.footer ol {
    margin: 0;
    padding: 0;
    list-style: none;
}