:root {
    --bg-dark: #0b0f19;
    --panel-bg: #151f32;
    --panel-bg-hover: #1c2a44;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent-amber: #f59e0b;
    --accent-blue: #3b82f6;
    --border: #1e293b;
    --card-border: #2b3952;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    margin: 0;
    padding: 30px 20px;
    display: flex;
    justify-content: center;
}

.portal-container {
    max-width: 1050px;
    width: 100%;
}

.portal-header {
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 25px;
}

.brand-badge {
    display: inline-block;
    background-color: rgba(245, 158, 11, 0.12);
    border: 1px solid var(--accent-amber);
    color: var(--accent-amber);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 12px;
}

.portal-header h1 {
    font-size: 2.2rem;
    margin: 0 0 10px 0;
    letter-spacing: -0.5px;
}

.portal-subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin: 0;
    max-width: 720px;
    line-height: 1.5;
}

.portal-category {
    margin-bottom: 35px;
}

.category-title {
    font-size: 1.2rem;
    color: var(--text-main);
    margin: 0 0 16px 0;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
}

.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 18px;
}

.tool-card {
    background-color: var(--panel-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 22px;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}

.tool-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent-amber);
    background-color: var(--panel-bg-hover);
}

.tool-card-header {
    margin-bottom: 10px;
}

.tool-tag {
    font-size: 0.72rem;
    color: var(--accent-amber);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.tool-card h3 {
    margin: 5px 0 0 0;
    font-size: 1.15rem;
    color: var(--text-main);
}

.tool-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.45;
    margin: 0 0 18px 0;
}

.tool-link-text {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color 0.15s;
}

.tool-card:hover .tool-link-text {
    color: var(--accent-amber);
}

.portal-footer {
    margin-top: 50px;
    border-top: 1px solid var(--border);
    padding-top: 25px;
}

.legal-disclaimer-section {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.55;
    margin-bottom: 16px;
}

.legal-disclaimer-section p {
    margin: 0 0 8px 0;
}

.footer-copy {
    font-size: 0.78rem;
    color: #64748b;
    text-align: center;
}