:root {
    --primary: #000000;
    --on-primary: #ffffff;
    --ink: #000000;
    --body-c: #5e5e5e;
    --mute: #afafaf;
    --canvas: #ffffff;
    --canvas-soft: #efefef;
    --canvas-softer: #f3f3f3;
    --surface-pressed: #e2e2e2;
    --link: #0d6efd;
    --radius-pill: 999px;
    --radius-xl: 16px;
    --radius-md: 8px;
}

body {
    font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
    color: var(--ink);
    background: var(--canvas);
}

h1, h2, h3 { font-weight: 700; color: var(--ink); }
p { color: var(--body-c); }
a { color: var(--link); }

.mk-topnav {
    background: var(--canvas);
    border-bottom: 1px solid var(--surface-pressed);
    padding: 16px 0;
}
.mk-topnav-inner { display: flex; align-items: center; justify-content: space-between; }
.mk-brand { font-weight: 700; font-size: 1.2rem; color: var(--ink); text-decoration: none; }
.mk-brand span { color: var(--body-c); }
.mk-nav-links ul { display: flex; gap: 8px; margin: 0; padding: 0; }
.mk-nav-links .nav-link { color: var(--ink); font-weight: 500; }

.mk-layout { padding-top: 32px; padding-bottom: 64px; }
.mk-sidebar { border-right: 1px solid var(--canvas-soft); padding-right: 24px; }
.mk-sidebar-title { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--mute); }
.mk-sidebar ul li { margin-bottom: 10px; }
.mk-sidebar ul a { color: var(--ink); font-weight: 500; text-decoration: none; }
.mk-sidebar ul a:hover { text-decoration: underline; }

.mk-main { padding-left: 24px; }

.mk-hero {
    background: var(--canvas-soft);
    border-radius: var(--radius-xl);
    padding: 48px 32px;
    margin-bottom: 40px;
}
.mk-hero h1 { font-size: 2.4rem; }

.btn-mk-primary {
    background: var(--primary);
    color: var(--on-primary);
    border-radius: var(--radius-pill);
    padding: 10px 24px;
    border: none;
    font-weight: 500;
    display: inline-block;
    text-decoration: none;
}
.btn-mk-primary:hover { background: #1a1a1a; color: var(--on-primary); }

.mk-card {
    background: var(--canvas);
    border: 1px solid var(--surface-pressed);
    border-radius: var(--radius-xl);
    padding: 20px;
    height: 100%;
    margin-bottom: 20px;
}
.mk-card img { width: 100%; border-radius: var(--radius-md); margin-bottom: 12px; height: 160px; object-fit: cover; }
.mk-card h3 { font-size: 1.05rem; }
.mk-card .mk-meta { font-size: 0.75rem; text-transform: uppercase; color: var(--mute); letter-spacing: 0.05em; }

.mk-breadcrumb .breadcrumb { font-size: 0.85rem; }

.mk-toc {
    background: var(--canvas-softer);
    border-radius: var(--radius-xl);
    padding: 20px 24px;
    margin: 24px 0;
}
.mk-toc h2 { font-size: 1.1rem; margin-top: 0; }

article img.mk-article-img {
    width: 100%;
    max-height: 380px;
    object-fit: contain;
    background: var(--canvas-softer);
    border-radius: var(--radius-xl);
    margin: 16px 0;
    padding: 12px;
}
figcaption { font-size: 0.8rem; color: var(--mute); }

.mk-related { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--canvas-soft); }

.mk-faq-item {
    border: 1px solid var(--surface-pressed);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    margin-bottom: 10px;
}
.mk-faq-item summary { cursor: pointer; font-weight: 500; }

.mk-form-group { margin-bottom: 16px; }
.mk-form-group label { font-weight: 500; display: block; margin-bottom: 6px; }
.mk-form-group input, .mk-form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--surface-pressed);
    background: var(--canvas-soft);
}
.mk-form-error { color: #dc3545; font-size: 0.8rem; display: none; margin-top: 4px; }
.mk-form-success {
    background: #e6f4ea;
    border: 1px solid #198754;
    color: #198754;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-top: 16px;
    display: none;
}

.mk-footer { background: var(--primary); color: var(--on-primary); padding: 48px 0 24px; margin-top: 48px; }
.mk-footer h3 { color: var(--on-primary); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; }
.mk-footer a { color: #cccccc; text-decoration: none; }
.mk-footer a:hover { color: var(--on-primary); }
.mk-footer-contact a { color: #cccccc; }
.mk-footer-disclaimers { border-top: 1px solid #333; margin-top: 24px; padding-top: 16px; }
.mk-footer-disclaimers p { color: #999999; font-size: 0.78rem; margin: 4px 0; }
.mk-footer-bottom { color: #999999; font-size: 0.8rem; margin-top: 12px; }

.mk-cookie-banner {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: var(--ink);
    color: var(--on-primary);
    padding: 16px 24px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    z-index: 50;
}
.mk-cookie-banner p { color: var(--on-primary); margin: 0; font-size: 0.85rem; max-width: 640px; }
.mk-cookie-actions { display: flex; gap: 10px; }

@media (max-width: 991px) {
    .mk-nav-links { display: none; }
    .mk-nav-links.open { display: block; width: 100%; margin-top: 12px; }
    .mk-sidebar { border-right: none; padding-right: 0; margin-bottom: 24px; }
    .mk-main { padding-left: 0; }
}