/* ============================================
   EDUCATION ACCESS & ECONOMIC DEVELOPMENT
   Professional Economist Aesthetic
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    /* Primary palette - Deep navy & academic tones */
    --color-bg-dark: #0a1628;
    --color-bg-dark-alt: #0f1e36;
    --color-bg-light: #f7f8fb;
    --color-bg-light-alt: #eef1f6;
    --color-bg-accent: #111d33;
    --color-surface: #ffffff;
    --color-surface-elevated: #ffffff;

    /* Text */
    --color-text-primary: #1a2332;
    --color-text-secondary: #4a5568;
    --color-text-tertiary: #718096;
    --color-text-inverse: #e8ecf2;
    --color-text-inverse-secondary: #9aa8bd;
    --color-text-muted: #8896a7;

    /* Accent colors */
    --color-accent: #2563eb;
    --color-accent-light: #3b82f6;
    --color-accent-lighter: #60a5fa;
    --color-accent-soft: rgba(37, 99, 235, 0.08);
    --color-accent-soft-border: rgba(37, 99, 235, 0.15);
    --color-gold: #d4a853;
    --color-gold-muted: rgba(212, 168, 83, 0.15);

    /* Chart colors */
    --color-chart-primary: #2563eb;
    --color-chart-secondary: #7c3aed;
    --color-chart-tertiary: #f59e0b;
    --color-chart-bar: #3b82f6;

    /* Status */
    --color-status-behind: #ef4444;
    --color-status-partial: #f59e0b;
    --color-status-ontrack: #22c55e;

    /* Borders */
    --border-subtle: 1px solid rgba(0, 0, 0, 0.06);
    --border-subtle-dark: 1px solid rgba(255, 255, 255, 0.07);

    /* Typography */
    --font-serif: 'EB Garamond', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --section-padding: 6rem 0;
    --container-max: 1200px;
    --container-padding: 0 2rem;

    /* Effects */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 1px 4px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.1), 0 4px 12px rgba(0, 0, 0, 0.05);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text-primary);
    background: var(--color-bg-light);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--container-padding);
}

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

/* --- Typography --- */
h1,
h2,
h3,
h4 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.25;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 22, 40, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 22, 40, 0.96);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--color-text-inverse);
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.nav-logo-icon {
    width: 28px;
    height: 28px;
    color: var(--color-accent-lighter);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2px;
}

.nav-link {
    color: var(--color-text-inverse-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    letter-spacing: 0.01em;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text-inverse);
    background: rgba(255, 255, 255, 0.06);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--color-text-inverse);
    border-radius: 2px;
    transition: var(--transition);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-dark);
    overflow: hidden;
}

.hero-bg-pattern {
    display: none;
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 860px;
    padding: 8rem 2rem 5rem;
}

.hero-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent-lighter);
    background: rgba(37, 99, 235, 0.1);
    border: 1px solid rgba(37, 99, 235, 0.2);
    padding: 6px 20px;
    border-radius: 100px;
    margin-bottom: 2rem;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 5.5vw, 4.2rem);
    font-weight: 700;
    color: var(--color-text-inverse);
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -0.01em;
}

.hero-title-accent {
    background: linear-gradient(135deg, var(--color-accent-lighter), var(--color-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-inverse-secondary);
    max-width: 680px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 500;
    color: var(--color-text-inverse);
    line-height: 1;
}

.hero-stat-suffix {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    color: var(--color-accent-lighter);
    font-weight: 500;
}

.hero-stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-inverse-secondary);
    margin-top: 6px;
    max-width: 160px;
}

.hero-stat-divider {
    width: 1px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-inverse);
    text-decoration: none;
    padding: 14px 32px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 100px;
    transition: var(--transition);
}

.hero-cta:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
}

.cta-arrow {
    transition: transform 0.3s ease;
}

.hero-cta:hover .cta-arrow {
    transform: translateX(4px);
}

/* --- Section Utilities --- */
.section {
    padding: var(--section-padding);
}

.section-light {
    background: var(--color-bg-light);
}

.section-dark {
    background: var(--color-bg-dark);
    color: var(--color-text-inverse);
}

.section-accent {
    background: var(--color-bg-dark-alt);
    color: var(--color-text-inverse);
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 4rem;
}

.section-label {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.section-dark .section-label,
.section-accent .section-label {
    color: var(--color-accent-lighter);
}

.section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.section-description {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

.section-dark .section-description,
.section-accent .section-description {
    color: var(--color-text-inverse-secondary);
}

/* --- Framework Cards --- */
.framework-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.framework-card {
    background: var(--color-surface);
    border: var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.framework-card.visible {
    opacity: 1;
    transform: translateY(0);
}

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

.framework-card-icon {
    width: 52px;
    height: 52px;
    color: var(--color-accent);
    margin-bottom: 1.25rem;
}

.framework-card-icon svg {
    width: 100%;
    height: 100%;
}

.framework-card-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--color-text-primary);
}

.framework-card-text {
    font-size: 0.925rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
}

.framework-card-ref {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--color-text-tertiary);
    border-top: var(--border-subtle);
    padding-top: 0.75rem;
}

/* --- Growth Model Box --- */
.model-box {
    background: var(--color-surface);
    border: var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    text-align: center;
}

.model-box-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.model-box-subtitle {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.equation-display {
    background: var(--color-bg-light-alt);
    border-radius: var(--radius-md);
    padding: 1.5rem 2rem;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.equation {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-style: italic;
    color: var(--color-text-primary);
    letter-spacing: 0.05em;
}

.equation sup {
    font-size: 0.65em;
}

.equation-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.25rem;
    font-size: 0.82rem;
    color: var(--color-text-tertiary);
    margin-bottom: 1.5rem;
}

.equation-legend strong {
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--color-text-primary);
}

.model-box-note {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

/* --- Charts & Data Viz --- */
.chart-panel {
    background: rgba(255, 255, 255, 0.03);
    border: var(--border-subtle-dark);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    margin-bottom: 3rem;
}

.chart-title {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.chart-subtitle {
    font-size: 0.85rem;
    color: var(--color-text-inverse-secondary);
    margin-bottom: 2rem;
}

.section-light .chart-subtitle {
    color: var(--color-text-tertiary);
}

/* Bar Chart */
.bar-chart {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.bar-group {
    display: grid;
    grid-template-columns: 180px 1fr;
    align-items: center;
    gap: 1rem;
}

.bar-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-inverse-secondary);
    text-align: right;
}

.bar-wrapper {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.bar {
    height: 22px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 10px;
    width: 0;
    transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
}

.bar.animate {
    /* Width set by JS */
}

.bar-primary {
    background: linear-gradient(90deg, var(--color-chart-primary), #4f84e8);
}

.bar-secondary {
    background: linear-gradient(90deg, var(--color-chart-secondary), #9f67f5);
}

.bar-tertiary {
    background: linear-gradient(90deg, var(--color-chart-tertiary), #fbbf24);
}

.bar-value {
    font-size: 0.7rem;
    font-family: var(--font-mono);
    font-weight: 500;
    color: white;
    white-space: nowrap;
}

.chart-legend {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: var(--border-subtle-dark);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--color-text-inverse-secondary);
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 3px;
}

.legend-primary {
    background: var(--color-chart-primary);
}

.legend-secondary {
    background: var(--color-chart-secondary);
}

.legend-tertiary {
    background: var(--color-chart-tertiary);
}

/* --- Findings Grid --- */
.findings-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.finding-card {
    background: rgba(255, 255, 255, 0.03);
    border: var(--border-subtle-dark);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.finding-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.finding-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

.finding-number {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent-lighter);
    margin-bottom: 0.75rem;
    letter-spacing: 0.05em;
}

.finding-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--color-text-inverse);
}

.finding-text {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--color-text-inverse-secondary);
}

/* --- Data Table --- */
.data-table-wrapper {
    background: rgba(255, 255, 255, 0.03);
    border: var(--border-subtle-dark);
    border-radius: var(--radius-lg);
    padding: 2rem;
    opacity: 0;
    transform: translateY(20px);
}

.data-table-wrapper.visible {
    opacity: 1;
    transform: translateY(0);
}

.table-scroll {
    overflow-x: auto;
    margin-top: 1rem;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.data-table th {
    text-align: left;
    padding: 12px 16px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-inverse-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    white-space: nowrap;
}

.data-table td {
    padding: 12px 16px;
    color: var(--color-text-inverse);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    white-space: nowrap;
}

.data-table td:first-child {
    font-family: var(--font-sans);
    font-size: 0.88rem;
}

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

.table-source {
    font-size: 0.75rem;
    color: var(--color-text-inverse-secondary);
    margin-top: 1rem;
    font-style: italic;
}

.section-light .table-source {
    color: var(--color-text-tertiary);
}

/* --- Barriers Layout --- */
.barriers-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.barrier-column {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.barrier-item {
    display: flex;
    gap: 1.25rem;
    background: var(--color-surface);
    border: var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: var(--transition);
    opacity: 0;
    transform: translateX(-20px);
}

.barrier-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.barrier-column:last-child .barrier-item {
    transform: translateX(20px);
}

.barrier-column:last-child .barrier-item.visible {
    transform: translateX(0);
}

.barrier-item:hover {
    box-shadow: var(--shadow-sm);
}

.barrier-icon-wrap {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    color: var(--color-accent);
}

.barrier-icon-wrap svg {
    width: 100%;
    height: 100%;
}

.barrier-content h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-family: var(--font-sans);
}

.barrier-content p {
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

/* --- Out-of-School Panel --- */
.oos-panel {
    background: var(--color-surface);
    border: var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(20px);
}

.oos-panel.visible {
    opacity: 1;
    transform: translateY(0);
}

.oos-panel .chart-title {
    color: var(--color-text-primary);
}

.oos-panel .chart-subtitle {
    color: var(--color-text-tertiary);
}

.oos-chart {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}

.oos-bar-group {
    display: grid;
    grid-template-columns: 200px 1fr;
    align-items: center;
    gap: 1rem;
}

.oos-region {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-align: right;
}

.oos-bar-track {
    background: var(--color-bg-light-alt);
    border-radius: 6px;
    height: 32px;
    overflow: hidden;
}

.oos-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 12px;
    width: 0;
    transition: width 1.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.oos-value {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
    white-space: nowrap;
}

/* --- Case Studies --- */
.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.case-card {
    background: var(--color-surface);
    border: var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.case-card.visible {
    opacity: 1;
    transform: translateY(0);
}

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

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

.case-flag {
    font-size: 2rem;
    line-height: 1;
}

.case-card-title {
    font-size: 1.05rem;
    font-weight: 600;
    font-family: var(--font-sans);
}

.case-card-period {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    font-family: var(--font-mono);
}

.case-card-text {
    font-size: 0.88rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: 1.25rem;
}

.case-card-stats {
    display: flex;
    gap: 1.5rem;
    padding-top: 1rem;
    border-top: var(--border-subtle);
}

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

.case-stat-value {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-accent);
}

.case-stat-label {
    font-size: 0.72rem;
    color: var(--color-text-tertiary);
    margin-top: 2px;
}

/* --- Policy Grid --- */
.policy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.policy-card {
    background: rgba(255, 255, 255, 0.04);
    border: var(--border-subtle-dark);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.policy-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.policy-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}

.policy-card-rank {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gold);
    background: var(--color-gold-muted);
    display: inline-block;
    padding: 3px 12px;
    border-radius: 100px;
    margin-bottom: 1rem;
}

.policy-card-title {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--color-text-inverse);
    font-family: var(--font-sans);
}

.policy-card-text {
    font-size: 0.88rem;
    line-height: 1.7;
    color: var(--color-text-inverse-secondary);
    margin-bottom: 1.25rem;
}

.policy-card-evidence {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.evidence-tag {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--color-accent-lighter);
    border: 1px solid rgba(37, 99, 235, 0.25);
    padding: 3px 10px;
    border-radius: 100px;
}

/* --- Investment Panel --- */
.investment-panel {
    background: rgba(255, 255, 255, 0.03);
    border: var(--border-subtle-dark);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(20px);
}

.investment-panel.visible {
    opacity: 1;
    transform: translateY(0);
}

.investment-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.investment-item {
    text-align: center;
    flex: 1;
    min-width: 180px;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: var(--border-subtle-dark);
    border-radius: var(--radius-md);
}

.investment-item.investment-gap {
    border-color: rgba(239, 68, 68, 0.3);
    background: rgba(239, 68, 68, 0.06);
}

.investment-amount {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-text-inverse);
    margin-bottom: 0.5rem;
}

.investment-gap .investment-amount {
    color: #ef4444;
}

.investment-label {
    font-size: 0.82rem;
    color: var(--color-text-inverse-secondary);
    line-height: 1.5;
}

.investment-arrow {
    color: var(--color-text-inverse-secondary);
    flex-shrink: 0;
}

.investment-arrow svg {
    width: 40px;
    height: 20px;
}

/* --- SDG Panel --- */
.sdg-panel {
    background: rgba(255, 255, 255, 0.03);
    border: var(--border-subtle-dark);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    opacity: 0;
    transform: translateY(20px);
}

.sdg-panel.visible {
    opacity: 1;
    transform: translateY(0);
}

.sdg-header {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.sdg-badge {
    background: var(--color-accent);
    color: white;
    font-size: 0.85rem;
    font-weight: 700;
    padding: 12px 18px;
    border-radius: var(--radius-md);
    white-space: nowrap;
    font-family: var(--font-sans);
}

.sdg-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-inverse);
    margin-bottom: 0.25rem;
}

.sdg-subtitle {
    font-size: 0.875rem;
    color: var(--color-text-inverse-secondary);
}

.sdg-targets {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.sdg-target {
    display: grid;
    grid-template-columns: 50px 1fr 140px;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.sdg-target:last-child {
    border-bottom: none;
}

.sdg-target-id {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-accent-lighter);
}

.sdg-target-text {
    font-size: 0.88rem;
    color: var(--color-text-inverse-secondary);
}

.sdg-target-status {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 5px 12px;
    border-radius: 100px;
    text-align: center;
    white-space: nowrap;
}

.status-behind {
    color: var(--color-status-behind);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.status-partial {
    color: var(--color-status-partial);
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.status-ontrack {
    color: var(--color-status-ontrack);
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

/* --- References --- */
.references-grid {
    column-count: 2;
    column-gap: 2rem;
}

.reference-item {
    font-size: 0.82rem;
    line-height: 1.7;
    color: var(--color-text-inverse-secondary);
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    break-inside: avoid;
}

.reference-item em {
    color: var(--color-text-inverse);
}

/* --- Footer --- */
.footer {
    background: #060d1a;
    padding: 4rem 0 0;
    color: var(--color-text-inverse-secondary);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-logo {
    width: 28px;
    height: 28px;
    color: var(--color-accent-lighter);
    margin-bottom: 1rem;
}

.footer-text {
    font-size: 0.85rem;
    line-height: 1.7;
    max-width: 380px;
}

.footer-links h4 {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-inverse);
    margin-bottom: 1rem;
}

.footer-links a {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-inverse-secondary);
    text-decoration: none;
    padding: 4px 0;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--color-text-inverse);
}

.footer-bottom {
    text-align: center;
    padding: 1.5rem 0;
    font-size: 0.78rem;
    color: var(--color-text-muted);
}

/* --- Animations --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

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

.hero-badge {
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-title {
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-subtitle {
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-stats {
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.hero-cta {
    animation: fadeInUp 0.8s ease-out 1s both;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .framework-grid {
        grid-template-columns: 1fr 1fr;
    }

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

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

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

@media (max-width: 768px) {
    :root {
        --section-padding: 4rem 0;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(10, 22, 40, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .framework-grid,
    .findings-grid,
    .barriers-layout,
    .policy-grid,
    .case-grid {
        grid-template-columns: 1fr;
    }

    .bar-group {
        grid-template-columns: 120px 1fr;
    }

    .oos-bar-group {
        grid-template-columns: 140px 1fr;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .hero-stat-divider {
        width: 60px;
        height: 1px;
    }

    .investment-grid {
        flex-direction: column;
    }

    .investment-arrow {
        transform: rotate(90deg);
    }

    .sdg-target {
        grid-template-columns: 40px 1fr;
    }

    .sdg-target-status {
        grid-column: 1 / -1;
        justify-self: start;
    }

    .references-grid {
        column-count: 1;
    }

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

    .section-header {
        margin-bottom: 2.5rem;
    }

    .equation {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .bar-group {
        grid-template-columns: 1fr;
    }

    .bar-label {
        text-align: left;
    }

    .oos-bar-group {
        grid-template-columns: 1fr;
    }

    .oos-region {
        text-align: left;
    }

    .hero-content {
        padding: 7rem 1.25rem 3rem;
    }

    .container {
        padding: 0 1.25rem;
    }
}