:root {
    --canvas: #000000;
    --surface-1: #15181e;
    --surface-2: #1f232b;
    --surface-3: #3b3d45;
    --hairline: #3b3d45;
    --hairline-soft: #252830;
    --ink: #ffffff;
    --ink-muted: #b2b6bd;
    --ink-subtle: #656a76;
    --accent-blue: #2b89ff;
    --accent-teal: #14c6cb;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--canvas);
    color: var(--ink-muted);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-weight: 500;
    line-height: 1.5;
    margin: 0;
}

h1, h2, h3, h4 {
    color: var(--ink);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

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

.eyebrow {
    text-transform: uppercase;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.6px;
    color: var(--accent-teal);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.layout {
    display: flex;
    max-width: 1280px;
    margin: 0 auto;
    gap: 40px;
    padding: 0 24px;
}

.sidebar {
    width: 240px;
    flex-shrink: 0;
    position: sticky;
    top: 24px;
    align-self: flex-start;
    padding: 32px 0;
}

.sidebar-brand {
    font-weight: 700;
    font-size: 19px;
    color: var(--ink);
    margin-bottom: 32px;
    display: block;
}

.sidebar-brand span {
    color: var(--accent-teal);
}

.sidebar-nav a {
    display: block;
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--ink-muted);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 2px;
}

.sidebar-nav a:hover, .sidebar-nav a.active {
    background-color: var(--surface-1);
    color: var(--ink);
}

.main-content {
    flex: 1;
    min-width: 0;
    padding: 32px 0 64px;
}

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

@media (max-width: 900px) {
    .layout {
        flex-direction: column;
        gap: 0;
    }
    .sidebar {
        width: 100%;
        position: static;
        padding: 16px 0;
    }
    .sidebar-nav {
        display: none;
    }
    .sidebar-nav.open {
        display: block;
    }
    .mobile-nav-toggle {
        display: block;
        background: var(--surface-1);
        color: var(--ink);
        border: 1px solid var(--hairline);
        border-radius: 8px;
        padding: 10px 16px;
        font-weight: 600;
        font-size: 14px;
        margin-bottom: 16px;
    }
}

.card {
    background-color: var(--surface-1);
    border: 1px solid rgba(178,182,189,0.1);
    border-radius: 12px;
    overflow: hidden;
    transition: border-color 0.2s ease;
}

.card:hover {
    border-color: var(--hairline);
}

.card img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    display: block;
}

.card-body {
    padding: 20px;
}

.card-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--ink);
    margin: 0 0 8px;
}

.card-excerpt {
    font-size: 14px;
    color: var(--ink-muted);
    line-height: 1.6;
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

@media (max-width: 900px) {
    .grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
    .grid { grid-template-columns: 1fr; }
}

.pill {
    display: inline-block;
    background-color: var(--surface-1);
    color: var(--ink-muted);
    border-radius: 9999px;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
}

.btn {
    display: inline-block;
    border-radius: 8px;
    padding: 10px 20px;
    font-weight: 600;
    font-size: 14px;
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background-color: #ffffff;
    color: #000000;
}

.btn-secondary {
    background-color: var(--surface-2);
    color: var(--ink);
}

.hero {
    padding: 48px 0;
    border-bottom: 1px solid var(--hairline-soft);
    margin-bottom: 32px;
}

.breadcrumb {
    font-size: 13px;
    color: var(--ink-subtle);
    margin-bottom: 24px;
}

.breadcrumb a {
    color: var(--ink-subtle);
}

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

input, textarea {
    background-color: var(--surface-1);
    border: 1px solid var(--hairline);
    color: var(--ink);
    border-radius: 8px;
    padding: 10px 14px;
    width: 100%;
    font-family: inherit;
    font-size: 15px;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
}

label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 6px;
}

.form-group {
    margin-bottom: 20px;
}

details {
    background-color: var(--surface-1);
    border: 1px solid rgba(178,182,189,0.1);
    border-radius: 12px;
    padding: 18px 20px;
    margin-bottom: 12px;
}

details summary {
    cursor: pointer;
    list-style: none;
    font-weight: 600;
    color: var(--ink);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

details summary::-webkit-details-marker {
    display: none;
}

.faq-icon {
    transition: transform 0.2s ease;
}

details[open] .faq-icon {
    transform: rotate(45deg);
}

.toc-box {
    background-color: var(--surface-1);
    border: 1px solid rgba(178,182,189,0.1);
    border-radius: 12px;
    padding: 20px;
    position: sticky;
    top: 24px;
}

.toc-box a {
    display: block;
    font-size: 13px;
    color: var(--ink-muted);
    padding: 6px 0;
}

.toc-box a.active {
    color: var(--ink);
}

footer.site-footer {
    border-top: 1px solid var(--hairline-soft);
    padding: 48px 0;
    margin-top: 48px;
}

footer.site-footer a {
    color: var(--ink-muted);
    font-size: 14px;
    display: block;
    padding: 4px 0;
}

footer.site-footer a:hover {
    color: var(--ink);
}

.footer-cols {
    display: flex;
    gap: 48px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.footer-legal {
    font-size: 12px;
    color: var(--ink-subtle);
    border-top: 1px solid var(--hairline-soft);
    padding-top: 20px;
}

#cookie-banner {
    position: fixed;
    bottom: 20px;
    right: 20px;
    max-width: 340px;
    background-color: var(--surface-1);
    border: 1px solid var(--hairline);
    border-radius: 12px;
    padding: 20px;
    z-index: 200;
}

@media (max-width: 768px) {
    #cookie-banner {
        left: 12px;
        right: 12px;
        max-width: none;
    }
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

table th, table td {
    border: 1px solid var(--hairline-soft);
    padding: 10px 14px;
    text-align: left;
}

table th {
    color: var(--ink);
    background-color: var(--surface-1);
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.4px;
}