:root {
    --primary: #1f3a5f;
    --accent: #e0a93f;
    --light: #f6f8fb;
    --text: #1f2937;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    color: var(--text);
    background: #fff;
    line-height: 1.6;
}

.site-header {
    background: var(--primary);
    color: #fff;
    padding: 34px 20px;
}

.container {
    max-width: 1120px;
    margin: 0 auto;
}

.site-title {
    font-size: 34px;
    margin: 0 0 6px;
}

.tagline {
    margin: 0;
    color: #dbeafe;
}

.nav {
    background: #142843;
}

.nav a {
    color: #fff;
    text-decoration: none;
    display: inline-block;
    padding: 14px 16px;
}

.hero,
.section {
    padding: 34px 20px;
}

.hero {
    background: var(--light);
}

h1,
h2,
h3 {
    line-height: 1.2;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
}

.card {
    border: 1px solid #dde5ef;
    border-radius: 16px;
    padding: 20px;
    background: #fff;
    box-shadow: 0 8px 24px rgba(15, 23, 42, .05);
}

.featured {
    border-color: var(--accent);
}

.badge {
    display: inline-block;
    background: var(--accent);
    color: #111;
    padding: 4px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
}

.embed {
    margin: 22px 0;
}

.embed iframe {
    max-width: 100%;
    border: 0;
    border-radius: 12px;
}

.embed-block,
.video-grid-section,
.related-pages {
    margin: 34px 0;
    padding: 24px;
    background: #fff;
    border: 1px solid #dde5ef;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, .04);
}

.embed-block h2,
.video-grid-section h2,
.related-pages h2 {
    margin-top: 0;
}

.embed-description,
.video-grid-description {
    margin-bottom: 18px;
}

.video-grid {
    display: grid;
    gap: 22px;
    margin: 24px 0 0;
}

.video-grid.columns-1 {
    grid-template-columns: 1fr;
}

.video-grid.columns-2 {
    grid-template-columns: repeat(2, 1fr);
}

.video-grid.columns-3 {
    grid-template-columns: repeat(3, 1fr);
}

.video-card {
    background: #000;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(15, 23, 42, .08);
}

.video-card iframe {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    height: auto;
    border: 0;
}

.related-pages ul {
    margin: 0;
    padding-left: 20px;
}

.related-pages a {
    color: var(--primary);
    font-weight: 700;
}

.footer {
    background: #111827;
    color: #e5e7eb;
    padding: 28px 20px;
    margin-top: 40px;
}

.footer a {
    color: #fff;
}

.button {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    padding: 10px 14px;
    border-radius: 8px;
    text-decoration: none;
}

.meta {
    font-size: 14px;
    color: #64748b;
}

.breadcrumbs {
    font-size: 14px;
    margin-bottom: 16px;
}

.breadcrumbs a {
    color: var(--primary);
}

img {
    max-width: 100%;
    height: auto;
}

@media (max-width: 900px) {
    .video-grid.columns-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 700px) {
    .nav a {
        display: block;
        padding: 12px 16px;
        border-top: 1px solid rgba(255,255,255,.08);
    }

    .video-grid.columns-2,
    .video-grid.columns-3 {
        grid-template-columns: 1fr;
    }

    .site-title {
        font-size: 28px;
    }

    .embed-block,
    .video-grid-section,
    .related-pages {
        padding: 18px;
    }
}

.video-grid.columns-1 {
    display: grid !important;
    grid-template-columns: 1fr !important;
}

.video-grid.columns-2 {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
}

.video-grid.columns-3 {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
}

.video-card iframe {
    width: 100% !important;
    aspect-ratio: 16 / 9;
    height: auto !important;
    display: block;
}