/* FinCalc Studio - High-Performance AdSense-Compliant Modern Stylesheet */

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --secondary: #0f172a;
    --accent: #10b981;
    --accent-hover: #059669;
    --background: #f8fafc;
    --surface: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --border-focus: #3b82f6;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--background);
    color: var(--text-main);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
.site-header {
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--secondary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), #3b82f6);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.brand-logo .highlight {
    color: var(--primary);
}

.main-nav .nav-list {
    display: flex;
    list-style: none;
    gap: 25px;
}

.main-nav a {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

.main-nav a:hover, .main-nav a.active {
    color: var(--primary);
    background: var(--primary-light);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    text-decoration: none;
}

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

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

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

.btn-outline:hover {
    background-color: var(--primary-light);
    border-color: var(--primary);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-block {
    width: 100%;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border-radius: 9999px;
}

.badge-sub {
    background: var(--primary-light);
    color: var(--primary);
}

/* Main Layout */
.main-layout {
    flex: 1;
    padding: 30px 0;
}

/* Breadcrumbs */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.breadcrumb .sep {
    font-size: 0.7rem;
    color: #cbd5e1;
}

.breadcrumb .current {
    color: var(--text-main);
    font-weight: 600;
}

/* AdSense Placements */
.adsense-slot-wrapper {
    margin: 25px 0;
    display: flex;
    justify-content: center;
}

.adsense-placeholder {
    width: 100%;
    max-width: 100%;
    background: #f1f5f9;
    border: 1px dashed #cbd5e1;
    border-radius: var(--radius-md);
    padding: 12px;
    text-align: center;
    position: relative;
}

.ad-label {
    display: block;
    font-size: 0.65rem;
    font-weight: 700;
    color: #94a3b8;
    letter-spacing: 0.1em;
    margin-bottom: 6px;
}

.ad-preview-box {
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
    background: #ffffff;
    border-radius: var(--radius-sm);
    border: 1px solid #e2e8f0;
}

.ad-preview-box.vertical-ad {
    min-height: 350px;
}

/* Category Page Elements */
.category-hero {
    text-align: center;
    padding: 30px 0;
    max-width: 850px;
    margin: 0 auto;
}

.category-hero .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 15px;
}

.category-title {
    font-size: 2.3rem;
    font-weight: 800;
    color: var(--secondary);
    line-height: 1.25;
    margin-bottom: 12px;
}

.category-tagline {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 25px;
}

.category-stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.stat-item .stat-num {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-item .stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
}

/* Toolbar & Filter */
.section-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 35px 0 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.toolbar-title h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

.toolbar-title p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.search-box {
    position: relative;
    width: 320px;
}

.search-box i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-box input {
    width: 100%;
    padding: 10px 14px 10px 38px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
    background: #fff;
}

.search-box input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Tools Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.tool-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 22px;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: all 0.25s ease;
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: #cbd5e1;
}

.card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.card-icon {
    width: 44px;
    height: 44px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.4;
}

.card-title a {
    color: var(--secondary);
}

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

.card-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    flex-grow: 1;
    margin-bottom: 15px;
    line-height: 1.5;
}

.card-formula {
    background: #f8fafc;
    border: 1px solid #f1f5f9;
    border-radius: var(--radius-sm);
    padding: 6px 10px;
    margin-bottom: 16px;
    overflow-x: auto;
}

.card-formula code {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: #475569;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #f1f5f9;
    padding-top: 12px;
}

.card-category-tag {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
}

.btn-launch {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* Surface Cards & Editorial Article Layout */
.card-surface {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 35px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 30px;
}

.authority-article h2, .tool-editorial-content h2 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--secondary);
    margin-top: 30px;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary-light);
}

.authority-article h2:first-of-type, .tool-editorial-content h2:first-of-type {
    margin-top: 0;
}

.authority-article h3, .tool-editorial-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary);
    margin-top: 22px;
    margin-bottom: 12px;
}

.authority-article p, .tool-editorial-content p {
    font-size: 0.98rem;
    color: #334155;
    margin-bottom: 16px;
    line-height: 1.75;
}

.authority-article ul, .tool-editorial-content ul, .step-guide-list {
    margin-left: 20px;
    margin-bottom: 20px;
}

.authority-article li, .tool-editorial-content li {
    margin-bottom: 10px;
    font-size: 0.95rem;
    color: #334155;
}

/* Tool Layout: 2 Columns */
.tool-layout-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 30px;
}

.tool-header {
    margin-bottom: 20px;
}

.tool-title-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary);
    background: var(--primary-light);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
}

.tool-h1 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 8px;
}

.tool-subtitle {
    font-size: 1rem;
    color: var(--text-muted);
}

/* Interactive Calculator Card */
.calculator-app-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin-bottom: 30px;
}

.calc-form-grid {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
}

.calc-inputs-pane {
    padding: 30px;
    border-right: 1px solid var(--border);
    background: #ffffff;
}

.calc-results-pane {
    padding: 30px;
    background: #f8fafc;
    display: flex;
    flex-direction: column;
}

.pane-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    font-weight: 600;
    color: #334155;
    margin-bottom: 6px;
}

.tooltip-icon {
    color: #94a3b8;
    cursor: pointer;
}

.input-with-icon {
    position: relative;
    display: flex;
    align-items: center;
}

.currency-symbol {
    position: absolute;
    left: 14px;
    font-weight: 700;
    color: var(--text-muted);
}

.unit-symbol {
    position: absolute;
    right: 14px;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.input-with-icon input {
    padding-left: 30px;
}

.input-with-icon.right-icon input {
    padding-left: 14px;
    padding-right: 45px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: all 0.2s;
    background: #fff;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-range {
    width: 100%;
    margin-top: 8px;
    accent-color: var(--primary);
    cursor: pointer;
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.calc-actions {
    display: flex;
    gap: 10px;
    margin-top: 25px;
}

/* Results Display */
.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.btn-copy {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}

.btn-copy:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: var(--primary-light);
}

.highlight-result-box {
    background: linear-gradient(135deg, #1e3a8a, #1e40af);
    color: #fff;
    padding: 24px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    box-shadow: var(--shadow-md);
}

.highlight-result-box .result-label {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.85;
    display: block;
    margin-bottom: 6px;
}

.result-val-big {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    font-family: var(--font-mono);
}

.result-subtext {
    font-size: 0.8rem;
    opacity: 0.8;
    display: block;
    margin-top: 6px;
}

.results-metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
}

.metric-card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 12px 14px;
}

.metric-card.highlight-metric {
    border-color: #93c5fd;
    background: var(--primary-light);
}

.m-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.m-value {
    display: block;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--secondary);
    font-family: var(--font-mono);
}

/* Progress Bar Visual Breakdown */
.visual-breakdown {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-top: auto;
}

.progress-title {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--secondary);
}

.custom-progress-bar {
    height: 12px;
    display: flex;
    border-radius: 999px;
    overflow: hidden;
    background: #e2e8f0;
    margin-bottom: 10px;
}

.bar-segment {
    height: 100%;
    transition: width 0.3s ease;
}

.seg-principal { background: #3b82f6; }
.seg-contributions { background: #60a5fa; }
.seg-interest { background: #10b981; }

.bar-legend {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
}

.dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 4px;
}
.dot-principal { background: #3b82f6; }
.dot-contrib { background: #60a5fa; }
.dot-interest { background: #10b981; }

/* Formula Box */
.math-formula-box {
    background: #0f172a;
    color: #f8fafc;
    padding: 20px;
    border-radius: var(--radius-md);
    margin: 20px 0;
    text-align: center;
    overflow-x: auto;
}

.formula-latex {
    font-family: var(--font-mono);
    font-size: 1.15rem;
    font-weight: 500;
}

/* FAQ Accordion */
.faq-accordion {
    margin-top: 20px;
}

.faq-item {
    border-bottom: 1px solid var(--border);
    padding: 18px 0;
}

.faq-question {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--secondary);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.faq-question i {
    color: var(--primary);
    font-size: 1rem;
}

.faq-answer p {
    font-size: 0.95rem;
    color: #475569;
    margin-bottom: 0;
}

/* Sidebar Styles */
.tool-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.sidebar-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.sidebar-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.related-tools-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.related-tool-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    background: #f8fafc;
    border: 1px solid var(--border);
    transition: all 0.2s;
}

.related-tool-link:hover {
    background: var(--primary-light);
    border-color: #93c5fd;
    transform: translateX(3px);
}

.rt-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: #fff;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    color: var(--primary);
}

.rt-info {
    flex: 1;
}

.rt-name {
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--secondary);
}

.rt-tag {
    font-size: 0.72rem;
    color: var(--text-muted);
}

.rt-arrow {
    color: #cbd5e1;
    font-size: 0.75rem;
}

.info-box-card {
    background: #f0fdf4;
    border-color: #bbf7d0;
}

.info-box-card h4 {
    color: #166534;
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.info-box-card p {
    font-size: 0.85rem;
    color: #15803d;
    line-height: 1.5;
}

/* Legal & Standard Pages */
.legal-page, .about-page {
    max-width: 900px;
    margin: 0 auto;
}

.legal-header, .about-header {
    border-bottom: 1px solid var(--border);
    padding-bottom: 20px;
    margin-bottom: 25px;
}

.legal-header h1, .about-header h1 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 6px;
}

.last-updated {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.legal-section {
    margin-bottom: 30px;
}

.legal-section h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 12px;
}

.legal-callout {
    background: #f8fafc;
    border-left: 4px solid var(--primary);
    padding: 16px 20px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 15px 0;
}

.legal-callout.danger-callout {
    background: #fff1f2;
    border-left-color: #e11d48;
}

.values-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 25px 0;
}

.value-box {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
}

.v-icon {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.value-box h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.value-box p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Contact Form Grid */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-points {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin: 25px 0;
}

.cp-item {
    display: flex;
    gap: 15px;
    align-items: center;
}

.cp-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.cp-item h4 {
    font-size: 0.95rem;
    font-weight: 700;
}

.cp-item p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.contact-policy-note {
    background: #f1f5f9;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    color: #475569;
}

.alert-box {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 600;
}

.alert-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.alert-danger {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.req {
    color: #dc2626;
}

/* Footer */
.site-footer {
    background-color: var(--secondary);
    color: #94a3b8;
    padding: 60px 0 30px;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    color: #ffffff;
    margin-bottom: 15px;
}

.footer-desc {
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 20px;
    color: #cbd5e1;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.social-links a:hover {
    background: var(--primary);
}

.footer-heading {
    color: #ffffff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 18px;
}

.footer-nav {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-nav a {
    color: #94a3b8;
    font-size: 0.875rem;
}

.footer-nav a:hover {
    color: #ffffff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 25px;
}

.disclaimer-text {
    font-size: 0.78rem;
    line-height: 1.6;
    color: #64748b;
    margin-bottom: 15px;
}

.footer-copyright {
    font-size: 0.8rem;
    color: #64748b;
    text-align: center;
}

/* Mobile & Tablet Responsive Media Queries */
@media (max-width: 992px) {
    .tool-layout-grid {
        grid-template-columns: 1fr;
    }
    .calc-form-grid {
        grid-template-columns: 1fr;
    }
    .calc-inputs-pane {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        height: auto;
        padding: 15px 20px;
        gap: 15px;
    }
    .main-nav .nav-list {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    .category-stats-bar {
        grid-template-columns: 1fr 1fr;
    }
    .section-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    .search-box {
        width: 100%;
    }
    .form-row-2 {
        grid-template-columns: 1fr;
    }
    .values-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
}