/* ========================================
   給与指数ジャパン - Salary Index Japan
   Modern CSS Styles
   ======================================== */

/* CSS Variables */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #0f172a;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;

    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #0f172a;

    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-light: #ffffff;

    --border-color: #e2e8f0;
    --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);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    --container-max: 1200px;
    --header-height: 70px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

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

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

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
}

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

.logo-icon {
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-menu a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9375rem;
    padding: 0.5rem 0;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-base);
}

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

.nav-menu a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-base);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    padding: calc(var(--header-height) + 4rem) 0 4rem;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1e3a5f 100%);
    color: var(--text-light);
    text-align: center;
}

.hero h1 {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 3rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto 2rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: 2rem 1.5rem;
    transition: transform var(--transition-base), background var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-color);
    display: inline;
}

.stat-unit {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.stat-label {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.data-note {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* ========================================
   Sections
   ======================================== */
.section {
    padding: 5rem 0;
}

.section:nth-child(even) {
    background: var(--bg-secondary);
}

.section-title {
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    margin: 1rem auto 0;
    border-radius: var(--radius-full);
}

.section-description {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
    color: var(--text-secondary);
}

/* ========================================
   Overview Section
   ======================================== */
.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.overview-content p {
    font-size: 1.0625rem;
    margin-bottom: 1.5rem;
}

.info-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}

.info-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.info-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.info-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.info-card h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.info-card p {
    font-size: 0.875rem;
    margin: 0;
    color: var(--text-muted);
}

.overview-chart {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
}

/* ========================================
   Industry Section
   ======================================== */
.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.625rem 1.25rem;
    border: 2px solid var(--border-color);
    background: var(--bg-primary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.filter-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-light);
}

.industry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.industry-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.industry-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.industry-card.hidden {
    display: none;
}

.industry-rank {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-weight: 700;
    color: var(--text-secondary);
}

.industry-card:nth-child(1) .industry-rank {
    background: linear-gradient(135deg, #ffd700, #ffb800);
    color: #1a1a1a;
}

.industry-card:nth-child(2) .industry-rank {
    background: linear-gradient(135deg, #c0c0c0, #a0a0a0);
    color: #1a1a1a;
}

.industry-card:nth-child(3) .industry-rank {
    background: linear-gradient(135deg, #cd7f32, #b87333);
    color: white;
}

.industry-info {
    flex: 1;
    min-width: 0;
}

.industry-info h3 {
    font-size: 1rem;
    margin-bottom: 0.375rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.industry-salary {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
}

.salary-amount {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.salary-unit {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.industry-bar {
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: 0.375rem;
}

.bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-full);
    transition: width 1s ease;
}

.industry-change {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
}

.industry-change.positive {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.industry-change.negative {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

/* ========================================
   Region Section
   ======================================== */
.region-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.region-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.region-tab {
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.region-tab:hover {
    background: var(--border-color);
}

.region-tab.active {
    background: var(--primary-color);
    color: var(--text-light);
}

.region-chart-container {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
}

.region-ranking {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
}

.region-ranking h3 {
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.ranking-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.ranking-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.ranking-item:hover {
    background: var(--bg-tertiary);
}

.rank {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.rank.gold {
    background: linear-gradient(135deg, #ffd700, #ffb800);
    color: #1a1a1a;
}

.rank.silver {
    background: linear-gradient(135deg, #c0c0c0, #a0a0a0);
    color: #1a1a1a;
}

.rank.bronze {
    background: linear-gradient(135deg, #cd7f32, #b87333);
    color: white;
}

.prefecture {
    flex: 1;
    font-weight: 500;
}

.amount {
    font-weight: 700;
    color: var(--primary-color);
}

/* ========================================
   Age Section
   ======================================== */
.age-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.age-chart-container {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
}

.chart-toggle {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.toggle-btn {
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.toggle-btn:hover {
    background: var(--border-color);
}

.toggle-btn.active {
    background: var(--primary-color);
    color: var(--text-light);
}

.age-insights h3 {
    margin-bottom: 1rem;
}

.insight-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.insight-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.insight-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.insight-age {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.insight-salary {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.insight-card p {
    font-size: 0.875rem;
    margin: 0;
    color: var(--text-secondary);
}

/* ========================================
   Trends Section
   ======================================== */
.trends-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.trends-chart-container {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
}

.trends-analysis {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.trend-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.trend-card h3 {
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.trend-card ul {
    list-style: none;
}

.trend-card li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.trend-card li:last-child {
    border-bottom: none;
}

.trend-card.highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-light);
    border: none;
}

.trend-card.highlight h3 {
    color: var(--text-light);
}

.index-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.index-item {
    text-align: center;
}

.index-year {
    display: block;
    font-size: 0.875rem;
    opacity: 0.8;
}

.index-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
}

.index-arrow {
    font-size: 1.5rem;
    opacity: 0.8;
}

.index-note {
    text-align: center;
    font-size: 0.875rem;
    opacity: 0.9;
    margin: 0;
}

/* ========================================
   Calculator Section
   ======================================== */
.calculator-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.calculator-form {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    background: var(--bg-primary);
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.calc-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-light);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.calculator-result {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-dark), #1e3a5f);
    border-radius: var(--radius-xl);
    padding: 2rem;
    color: var(--text-light);
}

.result-display {
    text-align: center;
}

.result-label {
    display: block;
    font-size: 0.875rem;
    opacity: 0.8;
    margin-bottom: 0.5rem;
}

.result-amount {
    font-size: 4rem;
    font-weight: 700;
    color: var(--accent-color);
    line-height: 1;
}

.result-unit {
    font-size: 1.5rem;
    opacity: 0.9;
}

.result-note {
    font-size: 0.75rem;
    opacity: 0.6;
    margin-top: 1.5rem;
    margin-bottom: 0;
}

/* ========================================
   SEO Description Section
   ======================================== */
.seo-description {
    background: var(--bg-secondary);
}

.seo-content {
    max-width: 900px;
    margin: 0 auto;
}

.seo-content h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.seo-content p {
    font-size: 1rem;
    line-height: 1.8;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo-icon {
    font-size: 2rem;
}

.footer-brand .logo-text {
    font-size: 1.25rem;
    font-weight: 700;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    margin-top: 1rem;
    font-size: 0.875rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-section h4 {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--text-light);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.disclaimer {
    font-size: 0.75rem !important;
    color: rgba(255, 255, 255, 0.4) !important;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .overview-grid,
    .region-content,
    .age-content,
    .trends-content {
        grid-template-columns: 1fr;
    }

    .info-cards {
        grid-template-columns: repeat(3, 1fr);
    }

    .calculator-container {
        grid-template-columns: 1fr;
    }

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

    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 60px;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: 1rem;
        gap: 0;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

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

    .nav-menu li {
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu a {
        display: block;
        padding: 1rem 0;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .stat-card {
        padding: 1.5rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .info-cards {
        grid-template-columns: 1fr;
    }

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

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

    .result-amount {
        font-size: 3rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .section {
        padding: 3rem 0;
    }

    .filter-buttons {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.8125rem;
    }

    .region-tabs {
        justify-content: center;
    }

    .region-tab {
        padding: 0.375rem 0.75rem;
        font-size: 0.8125rem;
    }
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes countUp {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.stat-card {
    animation: fadeInUp 0.6s ease forwards;
}

.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }

.industry-card {
    animation: fadeInUp 0.4s ease forwards;
    opacity: 0;
}

.industry-card:nth-child(1) { animation-delay: 0.05s; }
.industry-card:nth-child(2) { animation-delay: 0.1s; }
.industry-card:nth-child(3) { animation-delay: 0.15s; }
.industry-card:nth-child(4) { animation-delay: 0.2s; }
.industry-card:nth-child(5) { animation-delay: 0.25s; }
.industry-card:nth-child(6) { animation-delay: 0.3s; }
.industry-card:nth-child(7) { animation-delay: 0.35s; }
.industry-card:nth-child(8) { animation-delay: 0.4s; }
.industry-card:nth-child(9) { animation-delay: 0.45s; }
.industry-card:nth-child(10) { animation-delay: 0.5s; }
.industry-card:nth-child(11) { animation-delay: 0.55s; }
.industry-card:nth-child(12) { animation-delay: 0.6s; }

/* Smooth scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ========================================
   Breadcrumbs
   ======================================== */
.breadcrumbs {
    background: var(--bg-secondary);
    padding: 0.75rem 0;
    margin-top: var(--header-height);
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    font-size: 0.875rem;
}

.breadcrumb-list li {
    display: flex;
    align-items: center;
}

.breadcrumb-list li:not(:last-child)::after {
    content: '>';
    margin-left: 0.5rem;
    color: var(--text-muted);
}

.breadcrumb-list a {
    color: var(--text-secondary);
}

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

.breadcrumb-list li:last-child {
    color: var(--text-muted);
}

/* ========================================
   Contextual Introduction
   ======================================== */
.contextual-intro {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
}

.intro-content {
    max-width: 900px;
    margin: 0 auto;
}

.intro-content h2 {
    margin-bottom: 1.5rem;
    text-align: center;
}

.intro-content p {
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.intro-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.intro-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.feature-icon {
    color: var(--success-color);
    font-size: 1.25rem;
}

/* ========================================
   FAQ Section
   ======================================== */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    background: var(--bg-primary);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    text-align: left;
    transition: background var(--transition-fast);
}

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

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

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

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    margin: 0;
}

/* ========================================
   Latest Articles Section
   ======================================== */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

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

.article-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.article-content {
    padding: 1.5rem;
}

.article-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--primary-color);
    color: var(--text-light);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 0.75rem;
}

.article-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

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

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

.article-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-date {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.articles-more {
    text-align: center;
}

.btn-secondary {
    display: inline-block;
    padding: 0.75rem 2rem;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-fast);
}

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

/* ========================================
   Blog Pages
   ======================================== */
.main-content {
    padding-top: 2rem;
    padding-bottom: 4rem;
    min-height: calc(100vh - var(--header-height) - 200px);
}

.page-content {
    max-width: 800px;
    margin: 0 auto;
}

.page-content h1 {
    margin-bottom: 2rem;
}

.content-section {
    margin-bottom: 2rem;
}

.content-section h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

.content-section h3 {
    font-size: 1.25rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.content-section ul,
.content-section ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.content-section li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.info-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

.info-table th,
.info-table td {
    padding: 1rem;
    border: 1px solid var(--border-color);
    text-align: left;
}

.info-table th {
    background: var(--bg-secondary);
    width: 30%;
    font-weight: 500;
}

/* Legal Content */
.legal-content .last-updated {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 2rem;
}

/* Contact Form */
.contact-form {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: var(--radius-xl);
}

.contact-form .form-group {
    margin-bottom: 1.5rem;
}

.contact-form label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.required {
    color: var(--danger-color);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition-fast);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input {
    width: auto;
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-light);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

/* Blog Index */
.page-header {
    text-align: center;
    margin-bottom: 3rem;
}

.page-header h1 {
    margin-bottom: 1rem;
}

.page-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.blog-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.blog-card-content {
    padding: 1.5rem;
}

.blog-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--accent-color);
    color: var(--text-light);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 1rem;
}

.blog-card h2 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.blog-card h2 a {
    color: var(--text-primary);
}

.blog-card h2 a:hover {
    color: var(--primary-color);
}

.blog-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-meta {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.blog-cta {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--radius-xl);
    padding: 3rem;
    text-align: center;
    color: var(--text-light);
}

.blog-cta h2 {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.blog-cta p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--text-light);
    color: var(--primary-color);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: transform var(--transition-fast);
}

.cta-button:hover {
    transform: translateY(-2px);
    color: var(--primary-dark);
}

/* Blog Post */
.blog-post {
    max-width: 800px;
    margin: 0 auto;
}

.post-header {
    margin-bottom: 2rem;
}

.post-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--primary-color);
    color: var(--text-light);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 1rem;
}

.post-header h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
}

.post-meta {
    display: flex;
    gap: 1.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.post-content {
    font-size: 1.0625rem;
    line-height: 1.9;
}

.post-content .lead {
    font-size: 1.25rem;
    color: var(--text-primary);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.post-content h2 {
    font-size: 1.5rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

.post-content h3 {
    font-size: 1.25rem;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.post-content ul,
.post-content ol {
    margin: 1rem 0 1.5rem 1.5rem;
}

.post-content li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.post-content a {
    text-decoration: underline;
}

.post-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.post-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-size: 0.8125rem;
    border-radius: var(--radius-full);
}

.related-posts {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
}

.related-posts h3 {
    margin-bottom: 1rem;
}

.related-posts ul {
    list-style: none;
}

.related-posts li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.related-posts li:last-child {
    border-bottom: none;
}

.related-posts a {
    color: var(--text-primary);
    font-weight: 500;
}

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

/* Adjust hero for pages with breadcrumbs */
.breadcrumbs + .hero {
    padding-top: 4rem;
}

@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .intro-features {
        flex-direction: column;
        align-items: center;
    }

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

    .blog-cta {
        padding: 2rem 1.5rem;
    }
}