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

:root {
    /* Research Shield brand colors */
    --primary: #1A6AF5;
    --primary-dark: #0052D4;
    --secondary: #4F0BC3;
    --gradient: linear-gradient(101deg, #1A6AF5 12.94%, #4F0BC3 99.94%);
    --gradient-soft: linear-gradient(135deg, #E8F0FF 0%, #F3E8FF 100%);

    /* Text colors */
    --text: #001B4B;
    --text-light: #4A5568;
    --text-muted: #718096;

    /* Background colors */
    --bg: #ffffff;
    --bg-alt: #F7FAFC;
    --bg-blue: #E8F0FF;
    --border: #E2E8F0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text);
    line-height: 1.6;
    background: var(--bg);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar */
.navbar {
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0, 27, 75, 0.05);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
    font-size: 1.1rem;
}

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

.logo-gradient {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.lang-switcher {
    display: flex;
    gap: 8px;
}

.lang-switcher a {
    padding: 6px 12px;
    text-decoration: none;
    color: var(--text-light);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.2s;
}

.lang-switcher a:hover {
    background: var(--bg-alt);
    color: var(--text);
}

.lang-switcher a.active {
    background: var(--gradient);
    color: white;
}

/* Hero */
.hero {
    padding: 80px 0 60px;
    text-align: center;
    background: var(--gradient-soft);
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient);
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text);
}

.hero p {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 500px;
    margin: 0 auto;
}

/* Cards */
.cards {
    padding: 60px 0;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.card {
    display: block;
    padding: 32px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text);
    transition: all 0.2s;
}

.card:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 24px rgba(26, 106, 245, 0.15);
    transform: translateY(-4px);
}

.card-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: white;
}

.card h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.card p {
    color: var(--text-light);
    font-size: 0.9375rem;
    margin-bottom: 16px;
}

.card-link {
    color: var(--primary);
    font-weight: 500;
    font-size: 0.9375rem;
}

/* Info */
.info {
    padding: 60px 0;
    background: var(--bg-alt);
}

.info h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
    text-align: center;
}

.info > .container > p {
    text-align: center;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 40px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.info-item {
    text-align: center;
    padding: 24px;
}

.info-item h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.info-item p {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Footer */
footer {
    padding: 40px 0;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 32px;
    margin-bottom: 32px;
}

.footer-company,
.footer-contact {
    font-size: 0.875rem;
    color: var(--text-light);
    line-height: 1.8;
}

.footer-contact a {
    color: var(--primary);
    text-decoration: none;
}

.footer-contact a:hover {
    text-decoration: underline;
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--border);
    font-size: 0.8125rem;
    color: var(--text-light);
}

/* Policy Page */
.policy-page {
    padding: 60px 0;
}

.policy-header {
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.policy-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.policy-header .effective-date {
    color: var(--text-light);
    font-size: 0.9375rem;
}

.policy-content {
    max-width: 800px;
}

.policy-content h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 40px;
    margin-bottom: 16px;
    color: var(--text);
}

.policy-content h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-top: 24px;
    margin-bottom: 12px;
    color: var(--text);
}

.policy-content p {
    margin-bottom: 16px;
    color: var(--text);
}

.policy-content ul,
.policy-content ol {
    margin-bottom: 16px;
    padding-left: 24px;
}

.policy-content li {
    margin-bottom: 8px;
}

.policy-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 0.9375rem;
}

.policy-content th,
.policy-content td {
    padding: 12px 16px;
    text-align: left;
    border: 1px solid var(--border);
}

.policy-content th {
    background: var(--bg-alt);
    font-weight: 600;
}

.policy-content strong {
    font-weight: 600;
}

.policy-content a {
    color: var(--primary);
    text-decoration: none;
}

.policy-content a:hover {
    text-decoration: underline;
}

.policy-nav {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
}

.policy-nav-link {
    padding: 10px 20px;
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.9375rem;
    border-radius: 8px;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    transition: all 0.2s;
}

.policy-nav-link:hover {
    background: var(--bg);
    border-color: var(--primary);
    color: var(--primary);
}

.policy-nav-link.active {
    background: var(--gradient);
    color: white;
    border-color: transparent;
}

/* Notice boxes */
.notice-box {
    border-radius: 12px !important;
    margin: 24px 0 !important;
}

.notice-box h3 {
    margin-top: 0 !important;
}

.notice-box h4 {
    margin-top: 16px !important;
    margin-bottom: 8px !important;
}

/* Policy header with gradient accent */
.policy-header {
    position: relative;
}

.policy-header::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--gradient);
    border-radius: 2px;
    margin-top: 16px;
}

/* Info section styling */
.info {
    background: var(--gradient-soft);
}

/* Table header with gradient */
.policy-content th {
    background: var(--bg-blue);
    color: var(--text);
}

/* Links with gradient on hover */
.policy-content a:hover,
.card-link:hover {
    background: linear-gradient(101deg, #1A6AF5 12.94%, #4F0BC3 99.94%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Footer enhancement */
footer {
    background: var(--bg-alt);
}

/* Document Header (Data Rights page) */
.doc-header {
    background: var(--gradient);
    color: white;
    padding: 3rem 0;
}

.doc-badge {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.doc-header h1 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.doc-meta {
    display: flex;
    gap: 2rem;
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Document Main Layout */
.doc-main {
    padding: 2rem 0;
}

.doc-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 3rem;
}

/* Sidebar Navigation */
.doc-sidebar {
    position: sticky;
    top: 80px;
    height: fit-content;
}

.doc-nav {
    background: var(--bg-alt);
    border-radius: 12px;
    padding: 1.5rem;
}

.doc-nav-title {
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.doc-nav a {
    display: block;
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.5rem 0;
    border-left: 2px solid transparent;
    padding-left: 0.75rem;
    margin-left: -0.75rem;
    transition: all 0.2s;
}

.doc-nav a:hover {
    color: var(--primary);
    border-left-color: var(--primary);
}

/* Document Content */
.doc-content {
    min-width: 0;
}

.doc-content section {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.doc-content section:last-of-type {
    border-bottom: none;
}

.doc-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 1rem;
    padding-top: 1rem;
}

.doc-content h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text);
    margin: 1.5rem 0 0.75rem;
}

.doc-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin: 1rem 0 0.5rem;
}

.doc-content p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.doc-content ul, .doc-content ol {
    color: var(--text-light);
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.doc-content li {
    margin-bottom: 0.5rem;
}

.doc-content a {
    color: var(--primary);
    text-decoration: none;
}

.doc-content a:hover {
    text-decoration: underline;
}

/* Document Tables */
.doc-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0 1.5rem;
    font-size: 0.9rem;
}

.doc-content th,
.doc-content td {
    padding: 0.75rem 1rem;
    text-align: left;
    border: 1px solid var(--border);
}

.doc-content th {
    background: var(--bg-blue);
    font-weight: 600;
    color: var(--text);
}

.doc-content td {
    color: var(--text-light);
}

.doc-content td.check {
    color: #10b981;
    font-weight: 600;
    text-align: center;
}

.doc-content td.cross {
    color: var(--text-muted);
    text-align: center;
}

/* Info Boxes */
.info-box {
    background: var(--bg-alt);
    border-left: 4px solid var(--secondary);
    padding: 1.25rem;
    border-radius: 0 8px 8px 0;
    margin: 1.5rem 0;
}

.info-box-title {
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.info-box p,
.info-box ul {
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.info-box ul:last-child,
.info-box p:last-child {
    margin-bottom: 0;
}

.highlight-box {
    background: var(--gradient-soft);
    border: 1px solid rgba(26, 106, 245, 0.2);
    padding: 1.5rem;
    border-radius: 12px;
    margin: 1.5rem 0;
}

.highlight-box h4 {
    color: var(--primary);
    margin-top: 0;
}

.highlight-box p {
    margin-bottom: 0;
}

.highlight-box ul {
    color: var(--text-light);
    margin-bottom: 0;
}

/* Contact Box */
.contact-box {
    background: var(--bg-alt);
    padding: 1.5rem;
    border-radius: 12px;
    margin: 1rem 0;
}

.contact-box p {
    margin-bottom: 0.75rem;
    color: var(--text-light);
}

.contact-box p:last-child {
    margin-bottom: 0;
}

/* Document Footer */
.doc-footer {
    text-align: center;
    padding: 2rem 0;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-style: italic;
}

/* Responsive */
@media (max-width: 900px) {
    .doc-layout {
        grid-template-columns: 1fr;
    }

    .doc-sidebar {
        position: static;
        order: -1;
    }

    .doc-nav {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .doc-nav a {
        border-left: none;
        padding-left: 0;
        margin-left: 0;
        padding: 0.35rem 0.75rem;
        background: var(--bg);
        border-radius: 6px;
        font-size: 0.8rem;
    }

    .doc-nav-title {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 60px 0 40px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .cards,
    .info,
    .policy-page {
        padding: 40px 0;
    }

    .footer-content {
        flex-direction: column;
        gap: 24px;
    }

    .doc-header h1 {
        font-size: 1.5rem;
    }

    .doc-meta {
        flex-direction: column;
        gap: 0.5rem;
    }

    .doc-content table {
        display: block;
        overflow-x: auto;
    }
}