/* ==========================================================================
   FinCalc Pro - Modern Responsive Stylesheet
   Tailored for Financial Portals with Multi-Domain Theming & Dynamic Palette
   ========================================================================== */

:root {
    --primary: #059669;
    --primary-hover: #047857;
    --primary-glow: rgba(5, 150, 105, 0.25);
    --accent: #10b981;
    --bg-body: #f8fafc;
    --bg-card: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --hero-gradient: linear-gradient(135deg, #065f46 0%, #059669 100%);
    --badge-bg: #d1fae5;
    --badge-text: #065f46;
    
    --border-color: #e2e8f0;
    --border-focus: #94a3b8;
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 12px 28px rgba(15, 23, 42, 0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-full: 9999px;
    --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

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

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

.content-container-narrow {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* Helpers */
.text-center { text-align: center; }
.my-3 { margin-top: 1.5rem; margin-bottom: 1.5rem; }
.my-4 { margin-top: 2rem; margin-bottom: 2rem; }
.my-5 { margin-top: 3rem; margin-bottom: 3rem; }
.bg-light { background-color: #f1f5f9; }
.text-highlight { color: var(--accent); }

/* Header & Navigation */
.site-header {
    background-color: #ffffff;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0.85rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: var(--hero-gradient);
    color: #ffffff;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    box-shadow: 0 4px 10px var(--primary-glow);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.logo-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: lowercase;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 1.5rem;
}

.nav-links li a {
    color: #334155;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.5rem 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: color 0.15s ease;
}

.nav-links li a:hover,
.nav-links li a.active {
    color: var(--primary);
}

.nav-dropdown {
    position: relative;
}

.nav-arrow {
    font-size: 0.75rem;
    transition: transform 0.2s;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #ffffff;
    min-width: 230px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    list-style: none;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.2s ease;
    z-index: 101;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    padding: 0.65rem 1.25rem;
    color: #334155;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.dropdown-menu li a:hover {
    background-color: #f8fafc;
    color: var(--primary);
}

.nav-cta .btn-primary-sm {
    background-color: var(--primary);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.875rem;
    padding: 0.6rem 1.15rem;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    box-shadow: 0 4px 10px var(--primary-glow);
    transition: all 0.2s;
}

.nav-cta .btn-primary-sm:hover {
    background-color: var(--primary-hover);
    color: #ffffff;
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-main);
    cursor: pointer;
}

/* Ad Slot Layouts */
.ad-slot-wrapper {
    margin: 1.5rem auto;
    text-align: center;
    background: #ffffff;
    border: 1px dashed #cbd5e1;
    border-radius: var(--radius-md);
    padding: 0.75rem;
    max-width: 970px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.ad-label {
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    font-weight: 700;
    color: #94a3b8;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.ad-placeholder {
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    color: #94a3b8;
    font-size: 0.85rem;
    font-weight: 600;
    background: #f8fafc;
    border-radius: var(--radius-sm);
}

.ad-placeholder i {
    font-size: 1.25rem;
}

.in-calc-ad-box {
    margin-top: 1.5rem;
}

/* Hero Section */
.hero-section {
    background: var(--hero-gradient);
    color: #ffffff;
    padding: 4rem 0 4.5rem;
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 0.4rem 0.95rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    letter-spacing: 0.02em;
}

.hero-title {
    font-size: 2.85rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 1.25rem;
}

.hero-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    line-height: 1.6;
    margin-bottom: 2rem;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.btn-hero-primary {
    background: #ffffff;
    color: var(--primary);
    font-weight: 800;
    padding: 0.85rem 1.65rem;
    border-radius: var(--radius-full);
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
    transition: all 0.2s;
}

.btn-hero-primary:hover {
    background: #f8fafc;
    color: var(--primary-hover);
    transform: translateY(-2px);
}

.btn-hero-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    font-weight: 700;
    padding: 0.85rem 1.5rem;
    border-radius: var(--radius-full);
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(4px);
    transition: all 0.2s;
}

.btn-hero-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    color: #ffffff;
}

.hero-stats {
    display: flex;
    gap: 2.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 1.5rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.65rem;
    font-weight: 800;
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.8rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Hero Widget */
.widget-card {
    background: #ffffff;
    color: var(--text-main);
    border-radius: var(--radius-lg);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.25);
    overflow: hidden;
}

.widget-header {
    padding: 1.25rem 1.5rem;
    background: #f8fafc;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.widget-title-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.widget-icon {
    width: 38px;
    height: 38px;
    background: var(--badge-bg);
    color: var(--badge-text);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
}

.widget-title {
    font-size: 1.05rem;
    font-weight: 700;
}

.widget-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.widget-body {
    padding: 1.5rem;
}

.widget-input-row {
    margin-bottom: 1rem;
}

.widget-input-row label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: #475569;
    margin-bottom: 0.4rem;
}

.widget-input-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.input-prefix-wrap {
    display: flex;
    position: relative;
    align-items: center;
}

.input-affix {
    position: absolute;
    left: 1rem;
    font-weight: 700;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.input-prefix-wrap .form-control {
    padding-left: 2rem;
}

.form-control {
    width: 100%;
    padding: 0.7rem 0.95rem;
    font-size: 0.95rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: #ffffff;
    color: var(--text-main);
    font-family: inherit;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.widget-result-box {
    background: var(--badge-bg);
    color: var(--badge-text);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    text-align: center;
    margin: 1.25rem 0;
}

.widget-result-label {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.35rem;
}

.widget-result-val {
    font-size: 1.85rem;
    font-weight: 800;
    font-family: var(--font-mono);
}

.widget-result-sub {
    font-size: 0.8rem;
    opacity: 0.85;
    margin-top: 0.25rem;
}

.btn-block-action {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--primary);
    color: #ffffff;
    font-weight: 700;
    padding: 0.85rem 1rem;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

.btn-block-action:hover {
    background: var(--primary-hover);
    color: #ffffff;
}

/* Trust Bar */
.trust-bar {
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    padding: 1.75rem 0;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.trust-item {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
}

.trust-item i {
    font-size: 1.75rem;
    color: var(--primary);
    margin-top: 0.15rem;
}

.trust-item h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.trust-item p {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* Catalog Sections */
.section {
    padding: 4rem 0;
}

.section-header {
    margin-bottom: 3rem;
}

.section-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--badge-bg);
    color: var(--badge-text);
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.85rem;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 680px;
    margin: 0 auto;
}

.category-block {
    margin-bottom: 3.5rem;
}

.category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.category-title {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.category-count {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
}

.calcs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.calc-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.65rem;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.calc-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.calc-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
}

.calc-icon-wrap {
    width: 48px;
    height: 48px;
    background: var(--badge-bg);
    color: var(--badge-text);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
}

.badge {
    background: #f1f5f9;
    color: #475569;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-full);
}

.badge-popular {
    background: var(--badge-bg);
    color: var(--badge-text);
}

.calc-name {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.35;
}

.calc-name a {
    color: var(--text-main);
}

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

.calc-summary {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.55;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.calc-card-footer {
    border-top: 1px solid #f1f5f9;
    padding-top: 1rem;
}

.calc-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--primary);
}

.calc-link-btn:hover {
    color: var(--primary-hover);
    gap: 0.6rem;
}

/* Category Filter Navigation */
.category-filter-nav {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: #ffffff;
    border: 1px solid var(--border-color);
    color: #475569;
    font-weight: 700;
    font-size: 0.9rem;
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s;
}

.filter-btn:hover {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}

/* Educational Value Section */
.edu-section {
    background: #ffffff;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.edu-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.6fr;
    gap: 3.5rem;
    align-items: start;
}

.edu-features {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.edu-feature-item {
    display: flex;
    gap: 1.25rem;
}

.edu-feature-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: var(--badge-bg);
    color: var(--badge-text);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.edu-feature-item h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.edu-feature-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.edu-card {
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
}

.edu-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checklist {
    list-style: none;
    margin-bottom: 1.5rem;
}

.checklist li {
    font-size: 0.88rem;
    margin-bottom: 0.85rem;
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    line-height: 1.45;
}

.checklist li i {
    color: var(--primary);
    margin-top: 0.2rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Breadcrumbs */
.breadcrumbs-bar {
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    padding: 0.85rem 0;
}

.breadcrumbs-list {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.breadcrumbs-list a {
    color: var(--text-muted);
    font-weight: 500;
}

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

.breadcrumbs-list .active {
    color: var(--text-main);
    font-weight: 600;
}

.breadcrumbs-list i {
    font-size: 0.7rem;
    opacity: 0.6;
}

/* Single Calculator Studio */
.calc-page-hero {
    padding: 2.5rem 0 3.5rem;
}

.calc-header-box {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 2rem;
    gap: 2rem;
}

.category-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--badge-bg);
    color: var(--badge-text);
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.calc-main-title {
    font-size: 2.35rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.calc-main-desc {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 780px;
}

.calc-header-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.4rem;
    min-width: 200px;
}

.calc-verified-badge {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.calc-updated-date {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.calc-studio-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.calc-studio-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
}

.calc-form-pane {
    padding: 2.25rem;
    border-right: 1px solid var(--border-color);
}

.calc-results-pane {
    padding: 2.25rem;
    background: #f8fafc;
    display: flex;
    flex-direction: column;
}

.pane-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.75rem;
}

.pane-title {
    font-size: 1.25rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-reset-params, .btn-print-calc {
    background: none;
    border: 1px solid var(--border-color);
    background: #ffffff;
    color: #475569;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: all 0.2s;
}

.btn-reset-params:hover, .btn-print-calc:hover {
    background: #f1f5f9;
    color: var(--text-main);
}

.calc-input-group {
    margin-bottom: 1.35rem;
}

.calc-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.45rem;
}

.calc-field-label {
    font-size: 0.9rem;
    font-weight: 700;
    color: #334155;
}

.tooltip-trigger {
    color: #94a3b8;
    cursor: help;
    font-size: 0.9rem;
}

.calc-input-affix-wrap {
    display: flex;
    position: relative;
    align-items: center;
}

.calc-affix {
    position: absolute;
    font-weight: 700;
    color: var(--text-muted);
    font-family: var(--font-mono);
    pointer-events: none;
}

.calc-affix.prefix { left: 1rem; }
.calc-affix.suffix { right: 1rem; }

.calc-input-affix-wrap .calc-field-input {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 1rem;
    padding-left: 2.2rem;
    padding-right: 2.5rem;
}

.calc-select-wrap select {
    font-weight: 600;
}

/* Range Slider Styling */
.calc-slider-wrap {
    margin-top: 0.5rem;
}

.calc-range-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: #e2e8f0;
    border-radius: var(--radius-full);
    outline: none;
    cursor: pointer;
    transition: background 0.15s;
}

.calc-range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 2px 6px var(--primary-glow);
    transition: transform 0.1s;
}

.calc-range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.calc-range-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 2px 6px var(--primary-glow);
}

/* Result Cards */
.result-hero-card {
    background: var(--hero-gradient);
    color: #ffffff;
    border-radius: var(--radius-md);
    padding: 1.65rem;
    text-align: center;
    box-shadow: 0 8px 20px var(--primary-glow);
    margin-bottom: 1.5rem;
}

.result-hero-label {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.9;
    display: block;
    margin-bottom: 0.4rem;
}

.result-hero-val {
    font-size: 2.5rem;
    font-weight: 800;
    font-family: var(--font-mono);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.secondary-metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
    margin-bottom: 1.5rem;
}

.metric-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1rem;
    display: flex;
    flex-direction: column;
}

.metric-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    margin-bottom: 0.25rem;
}

.metric-val {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-main);
    font-family: var(--font-mono);
}

/* Chart Canvas Container */
.calc-chart-container {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    margin-bottom: 1.25rem;
}

.chart-header {
    margin-bottom: 1rem;
    font-size: 0.85rem;
    font-weight: 700;
    color: #475569;
}

.chart-canvas-wrap {
    position: relative;
    max-height: 240px;
    display: flex;
    justify-content: center;
}

/* Amortization Table */
.amortization-container {
    border-top: 1px solid var(--border-color);
    padding: 2.25rem;
    background: #ffffff;
}

.amortization-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.amortization-title {
    font-size: 1.35rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.amortization-sub {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: block;
    margin-top: 0.2rem;
}

.btn-toggle-table {
    background: #f1f5f9;
    border: 1px solid var(--border-color);
    color: #334155;
    font-weight: 700;
    font-size: 0.85rem;
    padding: 0.45rem 0.95rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.schedule-table-wrap {
    overflow-x: auto;
    max-height: 480px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}

.schedule-table {
    width: 100%;
    border-collapse: collapse;
    text-align: right;
    font-size: 0.88rem;
}

.schedule-table th,
.schedule-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #f1f5f9;
    font-family: var(--font-mono);
}

.schedule-table th {
    background: #f8fafc;
    color: #334155;
    font-weight: 700;
    font-family: var(--font-sans);
    position: sticky;
    top: 0;
    z-index: 2;
    border-bottom: 2px solid var(--border-color);
}

.schedule-table th:first-child,
.schedule-table td:first-child {
    text-align: left;
    font-family: var(--font-sans);
    font-weight: 600;
}

.schedule-table tbody tr:nth-child(even) {
    background-color: #fbfcfe;
}

.schedule-table tbody tr:hover {
    background-color: #f1f5f9;
}

/* Seeded Educational Content Article */
.calc-educational-article {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3.5rem;
    box-shadow: var(--shadow-sm);
}

.article-header {
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

.article-headline {
    font-size: 2.15rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.25;
}

.article-body {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #334155;
}

.article-body p {
    margin-bottom: 1.5rem;
}

.article-body .lead-text {
    font-size: 1.15rem;
    font-weight: 500;
    color: #1e293b;
    line-height: 1.75;
}

.article-body h2 {
    font-size: 1.65rem;
    font-weight: 800;
    margin: 2.5rem 0 1rem;
    color: var(--text-main);
}

.article-body h3 {
    font-size: 1.35rem;
    font-weight: 800;
    margin: 2rem 0 0.85rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Formula Box */
.formula-box {
    background: #f8fafc;
    border: 1px solid #cbd5e1;
    border-left: 5px solid var(--primary);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    margin: 2rem 0;
}

.formula-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.formula-icon {
    width: 40px;
    height: 40px;
    background: var(--badge-bg);
    color: var(--badge-text);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
}

.formula-header h4 {
    font-size: 1.15rem;
    font-weight: 800;
}

.formula-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.formula-latex-display {
    background: #ffffff;
    border: 1px solid var(--border-color);
    padding: 1.15rem 1.5rem;
    border-radius: var(--radius-sm);
    font-size: 1.2rem;
    font-family: var(--font-mono);
    text-align: center;
    margin-bottom: 1rem;
    color: #0f172a;
    font-weight: 700;
    overflow-x: auto;
}

.formula-explanation {
    font-size: 0.95rem;
    line-height: 1.65;
    color: #475569;
}

/* Best Practices */
.best-practices-list {
    list-style: none;
    margin: 1.5rem 0 2rem;
}

.best-practices-list li {
    font-size: 0.98rem;
    margin-bottom: 0.95rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    line-height: 1.6;
}

.best-practices-list li i {
    color: var(--primary);
    font-size: 1.15rem;
    margin-top: 0.2rem;
}

/* Callout Boxes */
.callout-box {
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin: 2rem 0;
    font-size: 0.95rem;
}

.callout-box h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.info-box {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #14532d;
}

.warning-box {
    background: #fffbeb;
    border: 1px solid #fde68a;
    color: #78350f;
}

/* FAQ Accordion */
.calc-faqs-section {
    margin-top: 3.5rem;
    border-top: 2px solid var(--border-color);
    padding-top: 2.5rem;
}

.faq-section-header {
    margin-bottom: 1.75rem;
}

.faq-section-header h3 {
    font-size: 1.5rem;
    font-weight: 800;
}

.faq-section-header p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.faq-accordion-wrap {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.faq-item {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-trigger {
    width: 100%;
    text-align: left;
    background: #ffffff;
    border: none;
    padding: 1.25rem 1.5rem;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    transition: background 0.15s;
    font-family: inherit;
}

.faq-trigger:hover {
    background: #f8fafc;
}

.faq-trigger i {
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: transform 0.25s ease;
}

.faq-trigger[aria-expanded="true"] i,
.faq-item.active .faq-trigger i {
    transform: rotate(180deg) !important;
}

.faq-body {
    padding: 0 1.5rem 1.35rem;
    display: none;
    font-size: 0.95rem;
    line-height: 1.65;
    color: #475569;
}

.faq-body.open,
.faq-item.active .faq-body,
.faq-trigger[aria-expanded="true"] + .faq-body {
    display: block !important;
}

/* Legal Pages Styling */
.legal-article-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3.5rem;
    box-shadow: var(--shadow-sm);
}

.legal-header {
    margin-bottom: 2.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.75rem;
}

.legal-title {
    font-size: 2.4rem;
    font-weight: 800;
    margin: 0.5rem 0 1rem;
    letter-spacing: -0.02em;
}

.legal-meta-row {
    display: flex;
    gap: 1.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.article-prose h2 {
    font-size: 1.6rem;
    font-weight: 800;
    margin: 2rem 0 0.85rem;
}

.article-prose h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 1.5rem 0 0.65rem;
}

.article-prose p {
    font-size: 1rem;
    line-height: 1.75;
    margin-bottom: 1.25rem;
    color: #334155;
}

.article-prose ul, .article-prose ol {
    margin: 1rem 0 1.5rem 1.5rem;
}

.article-prose li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.legal-footer {
    margin-top: 3.5rem;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.legal-contact-callout {
    background: #f8fafc;
    border-radius: var(--radius-md);
    padding: 1.75rem;
}

.legal-contact-callout h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.legal-contact-callout p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

/* Contact Page Layout */
.contact-layout-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 3.5rem;
    align-items: start;
}

.contact-heading {
    font-size: 2.35rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0.5rem 0 1rem;
}

.contact-lead {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 2rem;
}

.contact-cards-stack {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-detail-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    display: flex;
    gap: 1.25rem;
    box-shadow: var(--shadow-sm);
}

.card-icon {
    width: 48px;
    height: 48px;
    background: var(--badge-bg);
    color: var(--badge-text);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
}

.contact-detail-card h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.contact-detail-card p {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary);
}

.detail-note {
    font-size: 0.78rem;
    color: var(--text-muted);
    display: block;
    margin-top: 0.2rem;
}

.form-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
}

.form-title {
    font-size: 1.35rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    color: #334155;
}

.form-group .required {
    color: #ef4444;
}

.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
    font-size: 0.92rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* Footer Styling */
.site-footer {
    background: #0f172a;
    color: #94a3b8;
    margin-top: 4rem;
}

.footer-top {
    padding: 4.5rem 0 3.5rem;
    border-bottom: 1px solid #1e293b;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    text-decoration: none;
}

.footer-logo .logo-icon {
    width: 38px;
    height: 38px;
    font-size: 1.15rem;
}

.footer-logo .logo-text {
    color: #ffffff;
    font-weight: 800;
    font-size: 1.25rem;
}

.footer-desc {
    font-size: 0.88rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    color: #cbd5e1;
}

.trust-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: #1e293b;
    color: #38bdf8;
    padding: 0.4rem 0.85rem;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 700;
}

.footer-title {
    color: #ffffff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    letter-spacing: -0.01em;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.footer-links li a {
    color: #94a3b8;
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: color 0.15s;
}

.footer-links li a i {
    font-size: 0.65rem;
    opacity: 0.5;
}

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

.footer-disclaimer-bar {
    background: #090e17;
    border-bottom: 1px solid #1e293b;
    padding: 1.5rem 0;
    font-size: 0.78rem;
    line-height: 1.6;
    color: #64748b;
}

.footer-disclaimer-bar strong {
    color: #94a3b8;
}

.footer-bottom {
    padding: 1.5rem 0;
    background: #090e17;
    font-size: 0.85rem;
}

.footer-bottom-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom-links {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.footer-bottom-links a {
    color: #94a3b8;
}

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

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    .calcs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .calc-studio-grid {
        grid-template-columns: 1fr;
    }
    .calc-form-pane {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    .edu-grid {
        grid-template-columns: 1fr;
    }
    .contact-layout-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }
    .site-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 1.5rem;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
        display: none;
    }
    .site-nav.open {
        display: flex;
    }
    .nav-links {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem;
    }
    .nav-dropdown .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: 1px solid #f1f5f9;
        margin-top: 0.5rem;
    }
    .hero-title {
        font-size: 2.15rem;
    }
    .calcs-grid {
        grid-template-columns: 1fr;
    }
    .trust-grid {
        grid-template-columns: 1fr;
    }
    .calc-header-box {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    .calc-header-meta {
        align-items: flex-start;
    }
    .calc-form-pane, .calc-results-pane, .amortization-container {
        padding: 1.5rem;
    }
    .calc-educational-article, .legal-article-card {
        padding: 1.75rem;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-bottom-flex {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}