/* ============================================================================
   TOOLGRIT.COM - BRAND STYLESHEET
   ============================================================================ */

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

:root {
    /* Brand Colors */
    --color-primary: #FB8500;
    --color-primary-dark: #e07600;
    --color-primary-light: #ffa033;
    --color-accent: #2ea3f2;
    --color-accent-dark: #1a8fd8;

    /* Neutral Colors — Dark theme (default) */
    --color-bg: #111827;
    --color-bg-alt: #1a2235;
    --color-bg-dark: #0d1117;
    --color-bg-darker: #080c11;
    --color-text: #e5e7eb;
    --color-text-light: #9ca3af;
    --color-text-muted: #6b7280;
    --color-border: #374151;
    --color-border-light: #1f2937;

    /* Category Colors */
    --cat-hvac: #e74c3c;
    --cat-electrical: #f39c12;
    --cat-industrial: #3498db;
    --cat-safety: #2ecc71;
    --cat-productivity: #9b59b6;

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

    /* Typography */
    --font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;

    /* Borders & Shadows */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.5);
    --shadow-xl: 0 12px 40px rgba(0,0,0,0.6);

    /* Layout */
    --container-width: 1200px;
    --header-height: 70px;
}

/* --- Light Theme Override --- */
[data-theme="light"] {
    --color-bg: #ffffff;
    --color-bg-alt: #f8f9fa;
    --color-bg-dark: #1a1a2e;
    --color-bg-darker: #0f0f1e;
    --color-text: #2d3436;
    --color-text-light: #636e72;
    --color-text-muted: #b2bec3;
    --color-border: #dfe6e9;
    --color-border-light: #eef1f3;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-xl: 0 12px 40px rgba(0,0,0,0.15);
}

html { scroll-behavior: smooth; }
body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-text);
}
h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }

/* --- Header --- */
.site-header {
    background: var(--color-primary);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

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

.site-logo-link, .footer-logo-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: #fff;
    font-weight: 800;
    font-size: var(--font-size-xl);
    text-decoration: none;
}
.site-logo-link:hover, .footer-logo-link:hover { color: #fff; }

.site-logo-img { height: 50px; width: auto; display: block; object-fit: contain; }
.footer-logo-img { height: 40px; width: auto; display: block; }

.site-nav ul {
    display: flex;
    list-style: none;
    gap: var(--space-xs);
}
.site-nav a {
    color: rgba(255,255,255,0.9);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    transition: background 0.2s, color 0.2s;
}
.site-nav a:hover, .site-nav a.active {
    background: rgba(255,255,255,0.2);
    color: #fff;
}

.header-actions { display: flex; align-items: center; gap: var(--space-md); }

.btn-explore {
    background: #fff;
    color: var(--color-primary);
    padding: var(--space-sm) var(--space-lg);
    border-radius: 50px;
    font-weight: 700;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
}
.btn-explore:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: var(--color-primary-dark);
}

/* Mobile nav toggle */
.mobile-nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}
.mobile-nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: transform 0.3s;
}

/* --- Breadcrumbs --- */
.breadcrumbs {
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border-light);
    padding: var(--space-sm) 0;
    font-size: var(--font-size-sm);
}
.breadcrumbs ol {
    display: flex;
    list-style: none;
    gap: var(--space-sm);
    flex-wrap: wrap;
}
.breadcrumbs li::after { content: '/'; margin-left: var(--space-sm); color: var(--color-text-muted); }
.breadcrumbs li:last-child::after { content: ''; }
.breadcrumbs a { color: var(--color-primary); }
.breadcrumbs li:last-child span { color: var(--color-text-light); }

/* --- Hero Sections --- */
.hero {
    background: linear-gradient(135deg, rgba(30,30,30,0.75) 0%, rgba(20,20,20,0.85) 100%),
                url('../assets/hero/wrench-hero-1280.png') center 25%/cover no-repeat;
    color: #fff;
    padding: var(--space-xxxl) 0;
    text-align: center;
}
.hero h1 {
    color: #fff;
    font-size: var(--font-size-5xl);
    margin-bottom: var(--space-md);
}
.hero .lead {
    font-size: var(--font-size-xl);
    color: rgba(255,255,255,0.8);
    max-width: 700px;
    margin: 0 auto var(--space-xl);
}
.hero-small {
    padding: var(--space-xxl) 0 var(--space-xl);
}
.hero-small h1 {
    font-size: var(--font-size-3xl);
}

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

/* --- Sections --- */
.section {
    padding: var(--space-xxxl) 0;
}
.section-alt {
    background: var(--color-bg-alt);
}
.section-title {
    text-align: center;
    margin-bottom: var(--space-sm);
}
.section-subtitle {
    text-align: center;
    color: var(--color-text-light);
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-xxl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-base);
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-primary {
    background: var(--color-primary);
    color: #fff;
}
.btn-primary:hover {
    background: var(--color-primary-dark);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}
.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}
.btn-outline:hover {
    background: var(--color-primary);
    color: #fff;
}
.btn-white {
    background: #fff;
    color: var(--color-primary);
}
.btn-white:hover {
    background: rgba(255,255,255,0.9);
    color: var(--color-primary-dark);
    transform: translateY(-1px);
}
.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

/* --- Tool Cards --- */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--space-xl);
}

.tool-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}
.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}
.tool-card[data-category="hvac"]::before { background: var(--cat-hvac); }
.tool-card[data-category="electrical"]::before { background: var(--cat-electrical); }
.tool-card[data-category="industrial"]::before { background: var(--cat-industrial); }
.tool-card[data-category="safety"]::before { background: var(--cat-safety); }
.tool-card[data-category="productivity"]::before { background: var(--cat-productivity); }

.tool-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}

.tool-card-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.badge-hvac { background: rgba(231,76,60,0.1); color: var(--cat-hvac); }
.badge-electrical { background: rgba(243,156,18,0.1); color: var(--cat-electrical); }
.badge-industrial { background: rgba(52,152,219,0.1); color: var(--cat-industrial); }
.badge-safety { background: rgba(46,204,113,0.1); color: var(--cat-safety); }
.badge-productivity { background: rgba(155,89,182,0.1); color: var(--cat-productivity); }

.tool-card-status {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 50px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.status-live { background: rgba(46,204,113,0.1); color: #27ae60; }
.status-coming-soon { background: rgba(243,156,18,0.1); color: #e67e22; }
.status-beta { background: rgba(52,152,219,0.1); color: #2980b9; }

.tool-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-sm);
}
.tool-card p {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    flex: 1;
    margin-bottom: var(--space-lg);
}
.tool-card-footer {
    margin-top: auto;
}
.tool-card-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-primary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.tool-card-link:hover { color: var(--color-primary-dark); }
.tool-card-link .arrow { transition: transform 0.2s; }
.tool-card-link:hover .arrow { transform: translateX(4px); }

/* --- Category Filters --- */
.category-filters {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: var(--space-xxl);
}
.filter-btn {
    padding: 0.5rem 1.25rem;
    border: 2px solid var(--color-border);
    border-radius: 50px;
    background: var(--color-bg);
    color: var(--color-text-light);
    font-weight: 600;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all 0.2s;
}
.filter-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.filter-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

/* --- Tool Embed Page --- */
.tool-page-header {
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-bg-darker) 100%);
    color: #fff;
    padding: var(--space-xl) 0;
}
.tool-page-header h1 { color: #fff; font-size: var(--font-size-3xl); }
.tool-page-header p { color: rgba(255,255,255,0.75); margin-top: var(--space-sm); }

.tool-embed-wrapper {
    background: var(--color-bg-alt);
    padding: var(--space-xl) 0 var(--space-xxxl);
}
.tool-embed-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-bottom: none;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    padding: var(--space-sm) var(--space-md);
}
.tool-embed-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-light);
}
.tool-embed-actions { display: flex; gap: var(--space-sm); }
.tool-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s ease;
    line-height: 1;
}
.tool-action-btn:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.tool-iframe-container {
    background: var(--color-bg);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    min-height: 600px;
    border: 1px solid var(--color-border);
    border-top: none;
}
/* Fullscreen mode */
.tool-iframe-container.fullscreen {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 9999;
    border-radius: 0;
    border: none;
    min-height: 100vh;
}
.tool-iframe-container.fullscreen iframe { min-height: 100vh; }
.tool-iframe-container iframe {
    width: 100%;
    min-height: 600px;
    border: none;
    display: block;
    transition: height 0.2s ease;
}

/* --- Homepage Feature Cards --- */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
}
.feature-card {
    text-align: center;
    padding: var(--space-xl);
}
.feature-card-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-lg);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}
.feature-card h3 { margin-bottom: var(--space-sm); }
.feature-card p { color: var(--color-text-light); font-size: var(--font-size-sm); }

/* --- Contact Form --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-xxl);
    align-items: start;
}
.contact-methods { margin-top: var(--space-lg); }
.contact-method { margin-bottom: var(--space-lg); }
.contact-method strong { display: block; margin-bottom: var(--space-xs); }

.form-group { margin-bottom: var(--space-lg); }
.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-sm);
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    transition: border-color 0.2s;
    background: var(--color-bg);
    color: var(--color-text);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(251,133,0,0.1);
}

/* --- Alerts --- */
.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-xl);
    font-weight: 500;
}
.alert-success {
    background: rgba(46,204,113,0.1);
    color: #27ae60;
    border: 1px solid rgba(46,204,113,0.3);
}
.alert-error {
    background: rgba(231,76,60,0.1);
    color: #c0392b;
    border: 1px solid rgba(231,76,60,0.3);
}

/* --- Affiliate Recommendations --- */
.affiliate-recommendations {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-top: var(--space-xxl);
}
.affiliate-recommendations h3 { font-size: var(--font-size-lg); margin-bottom: var(--space-sm); }
.affiliate-disclosure {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
    font-style: italic;
}
.affiliate-recommendations ul { list-style: none; }
.affiliate-recommendations li { margin-bottom: var(--space-sm); }
.affiliate-recommendations a {
    color: var(--color-accent);
    font-weight: 600;
}

/* --- Pro Feature Gate --- */
.pro-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
    padding: 0.15rem 0.5rem;
    border-radius: 50px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* --- Footer --- */
.site-footer {
    background: var(--color-bg-dark);
    color: rgba(255,255,255,0.7);
    padding: var(--space-xxxl) 0 var(--space-xl);
}
.footer-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--space-xxl);
    margin-bottom: var(--space-xxl);
}
.footer-tagline {
    margin-top: var(--space-md);
    font-size: var(--font-size-sm);
    color: rgba(255,255,255,0.5);
}
.footer-links h4 {
    color: #fff;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-lg);
}
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: var(--space-sm); }
.footer-links a {
    color: rgba(255,255,255,0.6);
    font-size: var(--font-size-sm);
    transition: color 0.2s;
}
.footer-links a:hover { color: var(--color-primary); }

.footer-social {
    margin-top: var(--space-lg);
    display: flex;
    gap: var(--space-md);
}
.footer-social a {
    color: rgba(255,255,255,0.5);
    transition: color 0.2s;
}
.footer-social a:hover { color: var(--color-primary); }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: var(--space-xl);
    text-align: center;
    font-size: var(--font-size-sm);
}
.footer-credit {
    margin-top: var(--space-sm);
    color: rgba(255,255,255,0.4);
}
.footer-credit a {
    color: rgba(255,255,255,0.5);
}
.footer-credit a:hover { color: var(--color-primary); }

/* --- Back to Top --- */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s, transform 0.2s;
    z-index: 999;
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { transform: translateY(-2px); }

/* --- Stats Row --- */
.stats-row {
    display: flex;
    justify-content: center;
    gap: var(--space-xxxl);
    padding: var(--space-xl) 0;
}
.stat { text-align: center; }
.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-primary);
}
.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ============================================================================
   TOOL PAGE SEO CONTENT SECTIONS
   Consistent layout for all tool landing pages. Update here to change all.
   ============================================================================ */

/* --- Tool Intro (below hero, above iframe) --- */
.tool-intro {
    background: var(--color-bg);
    padding: var(--space-xxl) 0 var(--space-xl);
}
.tool-intro .tool-headline {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}
.tool-intro .tool-subheadline {
    font-size: var(--font-size-xl);
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
    font-weight: 600;
}
.tool-intro .tool-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    line-height: 1.7;
    max-width: 900px;
    margin-bottom: var(--space-lg);
}
.tool-intro .tool-cta-row {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-top: var(--space-lg);
}

/* --- Tool Content Area (below iframe) --- */
.tool-content {
    background: var(--color-bg);
    padding: var(--space-xxxl) 0;
}
.tool-content h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 3px solid var(--color-primary);
    display: inline-block;
}
.tool-content h3 {
    font-size: var(--font-size-xl);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
    color: var(--color-text);
}
.tool-content p {
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--space-md);
    max-width: 900px;
}
.tool-content ul, .tool-content ol {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-xl);
    color: var(--color-text-light);
    line-height: 1.8;
}
.tool-content li {
    margin-bottom: var(--space-sm);
}

/* How-to Steps */
.tool-steps {
    counter-reset: step-counter;
    list-style: none;
    padding: 0;
    margin: var(--space-lg) 0 var(--space-xxl);
}
.tool-step {
    counter-increment: step-counter;
    display: flex;
    gap: var(--space-lg);
    align-items: flex-start;
    margin-bottom: var(--space-xl);
    padding: var(--space-lg);
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
}
.tool-step::before {
    content: counter(step-counter);
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: var(--font-size-lg);
}
.tool-step-content h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-xs);
    color: var(--color-text);
}
.tool-step-content p {
    margin-bottom: 0;
    font-size: var(--font-size-sm);
}

/* Feature Badges / Spec Chips */
.tool-specs {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin: var(--space-lg) 0;
}
.tool-spec {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
}
.tool-spec strong {
    color: var(--color-primary);
}

/* Comparison Table */
.tool-table-wrap {
    overflow-x: auto;
    margin: var(--space-lg) 0 var(--space-xxl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}
.tool-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
    min-width: 600px;
}
.tool-table thead {
    background: var(--color-bg-dark);
    color: #fff;
}
.tool-table th {
    padding: var(--space-md) var(--space-lg);
    text-align: left;
    font-weight: 700;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #fff;
}
.tool-table td {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text-light);
}
.tool-table tr:last-child td {
    border-bottom: none;
}
.tool-table tbody tr:hover {
    background: rgba(251,133,0,0.03);
}

/* Use-case List (bullets with icons) */
.tool-uses {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
    margin: var(--space-lg) 0 var(--space-xxl);
    list-style: none;
    padding: 0;
}
.tool-uses li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    border: 1px solid var(--color-border-light);
}
.tool-uses li::before {
    content: '✓';
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    background: rgba(46,204,113,0.15);
    color: #27ae60;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
}

/* FAQ Accordion */
.tool-faq {
    margin: var(--space-lg) 0;
}
.tool-faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
    overflow: hidden;
}
.tool-faq-q {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    background: var(--color-bg);
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    transition: background 0.2s;
}
.tool-faq-q:hover {
    background: var(--color-bg-alt);
}
.tool-faq-q::after {
    content: '+';
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    transition: transform 0.2s;
    flex-shrink: 0;
    margin-left: var(--space-md);
}
.tool-faq-item.open .tool-faq-q::after {
    content: '−';
}
.tool-faq-a {
    display: none;
    padding: 0 var(--space-lg) var(--space-lg);
    color: var(--color-text-light);
    line-height: 1.7;
    font-size: var(--font-size-sm);
}
.tool-faq-item.open .tool-faq-a {
    display: block;
}

/* Pro Tip Box */
.tool-pro-tip {
    background: linear-gradient(135deg, rgba(251,133,0,0.05), rgba(46,163,242,0.05));
    border: 1px solid rgba(251,133,0,0.2);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin: var(--space-xl) 0;
}
.tool-pro-tip strong {
    color: var(--color-primary);
    display: block;
    margin-bottom: var(--space-xs);
}

/* Cross-link Box */
.tool-crosslink {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin: var(--space-xl) 0;
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}
.tool-crosslink p {
    margin-bottom: 0;
    flex: 1;
}

/* Disclaimer */
.tool-disclaimer {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-top: var(--space-xxl);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* Section divider */
.tool-section {
    margin-bottom: var(--space-xxl);
    padding-bottom: var(--space-xxl);
    border-bottom: 1px solid var(--color-border-light);
}
.tool-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

/* --- Theme Toggle --- */
.theme-toggle {
    background: rgba(255,255,255,0.2);
    border: none;
    cursor: pointer;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: background 0.2s;
    padding: 0;
    flex-shrink: 0;
}
.theme-toggle:hover {
    background: rgba(255,255,255,0.3);
}
.theme-toggle svg {
    width: 18px;
    height: 18px;
}
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="light"] .theme-toggle .icon-sun { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* Smooth theme transition */
html.theme-transitioning,
html.theme-transitioning *,
html.theme-transitioning *::before,
html.theme-transitioning *::after {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease !important;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.5rem;
    }

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

    .site-nav {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--color-primary-dark);
        padding: var(--space-md);
        box-shadow: var(--shadow-lg);
    }
    .site-nav.open { display: block; }
    .site-nav ul { flex-direction: column; gap: 0; }
    .site-nav a {
        display: block;
        padding: var(--space-md) var(--space-lg);
        border-radius: var(--radius-sm);
    }

    .btn-explore { display: none; }

    .hero { padding: var(--space-xxl) 0; }
    .tool-grid { grid-template-columns: 1fr; }
    .feature-grid { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-xl); }
    .stats-row { flex-wrap: wrap; gap: var(--space-xl); }
    .tool-step { flex-direction: column; gap: var(--space-md); }
    .tool-uses { grid-template-columns: 1fr; }
    .tool-crosslink { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    .feature-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .category-filters { justify-content: flex-start; }
}