:root {
    --color-primary: #0B3C5D;
    --color-secondary: #0E91D0;
    --color-accent: #28C2A0;
    --color-neutral-dark: #1F2937;
    --color-text: #0F172A;
    --color-bg-light: #F8FAFC;
    --color-bg-dark: #0A0F1A;
    --color-border: #E2E8F0;
    --color-success: #16A34A;
    --color-warning: #F59E0B;
    --color-error: #DC2626;
    --font-primary: 'Inter', sans-serif;
    --font-secondary: 'Manrope', sans-serif;
    --transition-base: 0.25s ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    margin: 0;
    font-family: var(--font-primary);
    color: var(--color-text);
    background-color: var(--color-bg-light);
    line-height: 1.6;
}

body.dark-mode {
    background-color: var(--color-bg-dark);
    color: #E2E8F0;
}

a {
    color: var(--color-secondary);
    text-decoration: none;
}

a:hover,
a:focus {
    text-decoration: underline;
}

img {
    max-width: 100%;
    display: block;
    height: auto;
    border-radius: 12px;
}

.container {
    width: min(1120px, 92%);
    margin: 0 auto;
}

.section {
    padding: 80px 0;
}

.section-header {
    max-width: 720px;
    margin-bottom: 48px;
}

.section-header h2 {
    font-family: var(--font-secondary);
    font-size: 2.25rem;
    margin: 0 0 16px;
    color: var(--color-primary);
}

.section-header p {
    margin: 0;
    font-size: 1.05rem;
}

.hero {
    padding-top: 120px;
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 48px;
    align-items: center;
}

.hero-content h1 {
    font-family: var(--font-secondary);
    font-size: 2.75rem;
    margin: 0 0 24px;
    color: var(--color-primary);
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.hero-highlights {
    list-style: none;
    padding: 0;
    margin: 24px 0;
}

.hero-highlights li {
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
    font-weight: 500;
}

.hero-highlights li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 50%;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.hero-meta {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.meta-item {
    padding: 16px;
    background: white;
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

body.dark-mode .meta-item {
    background: #111827;
    border-color: #1F2937;
}

.meta-label {
    display: block;
    font-size: 0.85rem;
    text-transform: uppercase;
    margin-bottom: 6px;
    color: var(--color-secondary);
    letter-spacing: 0.08em;
}

.meta-value,
.meta-link {
    font-weight: 600;
    color: var(--color-text);
}

body.dark-mode .meta-value,
body.dark-mode .meta-link {
    color: #E2E8F0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 999px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background-color var(--transition-base), color var(--transition-base);
}

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

.btn-primary:hover,
.btn-primary:focus {
    background-color: #0C7CB1;
}

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

.btn-secondary:hover,
.btn-secondary:focus {
    background-color: rgba(14, 145, 208, 0.1);
}

.section-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
}

.program-card,
.value-card,
.deliverable-card,
.tech-card,
.support-card,
.operating-card,
.go-vernance-card,
.contact-detail-card,
.analytics-card,
.timeline-step,
.scenario-card,
.infrastructure-card,
.compliance-card,
.research-card {
    background: white;
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--color-border);
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.05);
}

body.dark-mode .program-card,
body.dark-mode .value-card,
body.dark-mode .deliverable-card,
body.dark-mode .tech-card,
body.dark-mode .support-card,
body.dark-mode .operating-card,
body.dark-mode .contact-detail-card,
body.dark-mode .analytics-card,
body.dark-mode .timeline-step,
body.dark-mode .scenario-card,
body.dark-mode .infrastructure-card,
body.dark-mode .compliance-card,
body.dark-mode .research-card {
    background: #111827;
    border-color: #1F2937;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.2);
}

.program-card h3,
.value-card h3,
.deliverable-card h3,
.tech-card h3,
.support-card h3,
.operating-card h3,
.contact-detail-card h3,
.timeline-step h3,
.scenario-card h3,
.infrastructure-card h3,
.compliance-card h3,
.research-card h3 {
    margin-top: 0;
    font-family: var(--font-secondary);
    font-size: 1.35rem;
    margin-bottom: 16px;
    color: var(--color-primary);
}

.program-list {
    list-style: none;
    margin: 16px 0 0;
    padding: 0;
}

.program-list li {
    padding-left: 20px;
    position: relative;
    margin-bottom: 12px;
}

.program-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 10px;
    height: 10px;
    background-color: var(--color-accent);
    border-radius: 50%;
}

.timeline {
    display: grid;
    gap: 24px;
}

.timeline-horizontal {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.timeline-step .step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-secondary);
    color: white;
    font-weight: 700;
    margin-bottom: 16px;
}

.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.analytics-card {
    text-align: center;
    padding: 32px 24px;
}

.analytics-card strong {
    display: block;
    font-size: 2.25rem;
    margin-bottom: 12px;
    color: var(--color-primary);
    font-family: var(--font-secondary);
}

.analytics-card span {
    font-size: 0.95rem;
    color: var(--color-text);
}

body.dark-mode .analytics-card span {
    color: #E2E8F0;
}

.scenario-grid,
.contact-grid,
.contact-details-grid,
.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.contact-grid {
    align-items: start;
}

.contact-info {
    background: white;
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--color-border);
}

body.dark-mode .contact-info {
    background: #111827;
    border-color: #1F2937;
}

.contact-list {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
}

.contact-list li {
    margin-bottom: 16px;
    font-size: 0.98rem;
}

.contact-list span {
    font-weight: 600;
    display: block;
    margin-bottom: 4px;
    color: var(--color-secondary);
}

.contact-form {
    background: white;
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--color-border);
}

body.dark-mode .contact-form {
    background: #111827;
    border-color: #1F2937;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.form-field {
    display: flex;
    flex-direction: column;
}

.form-field-full {
    grid-column: 1 / -1;
}

.form-field label {
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-field input,
.form-field textarea,
.form-field select {
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid var(--color-border);
    font-family: var(--font-primary);
    font-size: 1rem;
    background-color: white;
    color: var(--color-text);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

body.dark-mode .form-field input,
body.dark-mode .form-field textarea,
body.dark-mode .form-field select {
    background: #0F172A;
    border-color: #1F2937;
    color: #E2E8F0;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(14, 145, 208, 0.15);
}

.form-note {
    font-size: 0.85rem;
    margin-top: 16px;
    color: var(--color-neutral-dark);
}

body.dark-mode .form-note {
    color: #CBD5F5;
}

.form-alert {
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 24px;
    font-weight: 600;
}

.form-success {
    background: rgba(22, 163, 74, 0.12);
    color: var(--color-success);
    border: 1px solid rgba(22, 163, 74, 0.3);
}

.form-error {
    background: rgba(220, 38, 38, 0.12);
    color: var(--color-error);
    border: 1px solid rgba(220, 38, 38, 0.3);
}

.form-warning {
    background: rgba(245, 158, 11, 0.12);
    color: var(--color-warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.hero-subpage .hero-content h1 {
    font-size: 2.4rem;
}

.hero-legal {
    padding-top: 140px;
    padding-bottom: 40px;
}

.hero-legal h1 {
    font-size: 2.2rem;
    margin-bottom: 12px;
    color: var(--color-primary);
}

.legal-section + .legal-section {
    border-top: 1px solid var(--color-border);
}

.legal-section .container {
    padding-top: 32px;
    padding-bottom: 32px;
}

.legal-section h2 {
    font-family: var(--font-secondary);
    font-size: 1.6rem;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.legal-section p,
.legal-section ul {
    margin: 0 0 16px;
    font-size: 1rem;
}

.legal-section ul {
    padding-left: 20px;
}

.legal-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--color-border);
}

body.dark-mode .legal-table {
    background: #111827;
    border-color: #1F2937;
}

.legal-table th,
.legal-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--color-border);
    text-align: left;
    font-size: 0.95rem;
}

body.dark-mode .legal-table th,
body.dark-mode .legal-table td {
    border-color: #1F2937;
}

.legal-table th {
    background: rgba(11, 60, 93, 0.08);
    font-weight: 600;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(248, 250, 252, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

body.dark-mode .site-header {
    background: rgba(10, 15, 26, 0.92);
    border-color: #1F2937;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0;
    gap: 24px;
}

.logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
}

.logo-acronym {
    font-family: var(--font-secondary);
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--color-secondary);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.logo-text {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-text);
}

body.dark-mode .logo-text {
    color: #E2E8F0;
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 24px;
    margin: 0;
    padding: 0;
}

.nav-link {
    font-weight: 600;
    color: var(--color-text);
    position: relative;
    padding: 6px 0;
}

body.dark-mode .nav-link {
    color: #E2E8F0;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 0;
    height: 2px;
    background: var(--color-secondary);
    transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link:focus::after,
.nav-link.is-active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
}

.nav-toggle-label {
    display: none;
}

.theme-toggle {
    border: 1px solid var(--color-border);
    background: white;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color var(--transition-base);
}

body.dark-mode .theme-toggle {
    background: #111827;
    border-color: #1F2937;
}

.theme-toggle-icon {
    width: 18px;
    height: 18px;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
    border-radius: 50%;
}

.site-footer {
    background: var(--color-primary);
    color: white;
    padding: 60px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
    align-items: start;
}

.footer-logo {
    display: block;
    font-family: var(--font-secondary);
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.site-footer a {
    color: #E2E8F0;
}

.footer-nav h3,
.footer-legal h3 {
    margin-top: 0;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.footer-nav ul,
.footer-legal ul {
    list-style: none;
    margin: 16px 0 0;
    padding: 0;
}

.footer-nav li,
.footer-legal li {
    margin-bottom: 10px;
}

.cookie-banner {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    max-width: 560px;
    width: calc(100% - 32px);
    background: white;
    border-radius: 16px;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.2);
    padding: 20px 24px;
    border: 1px solid var(--color-border);
    z-index: 1100;
}

body.dark-mode .cookie-banner {
    background: #111827;
    border-color: #1F2937;
}

.cookie-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.cookie-content p {
    margin: 0;
    font-size: 0.95rem;
}

.is-hidden {
    display: none !important;
}

@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }
    .hero-meta {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .section-grid {
        grid-template-columns: 1fr;
    }
    .program-media,
    .values-media,
    .infrastructure-media,
    .governance-media,
    .analytics-media,
    .scenario-media,
    .tech-media {
        margin-top: 32px;
    }
    .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .hero {
        padding-top: 100px;
    }
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .hero-meta {
        grid-template-columns: 1fr;
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .section {
        padding: 64px 0;
    }
    .section-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 640px) {
    .site-header {
        position: sticky;
    }
    .nav-toggle {
        display: none;
    }
    .nav-toggle-label {
        display: flex;
        flex-direction: column;
        gap: 6px;
        width: 36px;
        cursor: pointer;
    }
    .nav-toggle-label .line {
        height: 3px;
        background: var(--color-text);
        border-radius: 999px;
    }
    body.dark-mode .nav-toggle-label .line {
        background: #E2E8F0;
    }
    #nav-toggle {
        display: none;
    }
    #nav-toggle:not(:checked) + .nav-toggle-label + .main-nav {
        display: none;
    }
    #nav-toggle:checked + .nav-toggle-label + .main-nav {
        display: flex;
        position: fixed;
        inset: 0;
        background: rgba(10, 15, 26, 0.95);
        flex-direction: column;
        padding: 32px;
        color: white;
    }
    .main-nav .nav-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 40px;
    }
    .nav-title {
        font-size: 1.2rem;
        font-weight: 600;
    }
    .nav-close {
        font-size: 2rem;
        cursor: pointer;
        color: white;
    }
    .nav-list {
        flex-direction: column;
        gap: 24px;
    }
    .nav-link {
        font-size: 1.5rem;
        color: white;
    }
    .theme-toggle {
        margin-left: auto;
    }
    .hero-media img {
        width: 100%;
    }
    .cookie-banner {
        bottom: 16px;
        padding: 16px 20px;
    }
    .cookie-content {
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2.1rem;
    }
    .section-header h2 {
        font-size: 1.8rem;
    }
    .timeline-horizontal {
        grid-template-columns: 1fr;
    }
    .analytics-card strong {
        font-size: 2rem;
    }
}