/* Download Gateway — public content site */
:root {
    --pub-bg: #f7f5f0;
    --pub-bg-pattern: #eef0e8;
    --pub-surface: #ffffff;
    --pub-border: #e3e0d6;
    --pub-text: #262521;
    --pub-muted: #6b6a63;
    --pub-accent: #2f5d50;
    --pub-accent-hover: #1f453a;
    --pub-heading-font: Georgia, "Times New Roman", serif;
    --pub-body-font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --pub-radius: 8px;
    --pub-max-width: 1080px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--pub-body-font);
    color: var(--pub-text);
    line-height: 1.6;
    min-height: 100vh;
    background-color: var(--pub-bg);
    background-image:
        radial-gradient(circle at 0% 0%, rgba(47, 93, 80, 0.06), transparent 45%),
        radial-gradient(circle at 100% 0%, rgba(47, 93, 80, 0.05), transparent 45%),
        linear-gradient(180deg, var(--pub-bg) 0%, var(--pub-bg-pattern) 100%);
    background-attachment: fixed;
    display: flex;
    flex-direction: column;
}

a { color: var(--pub-accent); text-decoration: none; }
a:hover { color: var(--pub-accent-hover); text-decoration: underline; }

h1, h2, h3 { font-family: var(--pub-heading-font); font-weight: 700; line-height: 1.25; }

/* Header */
.pub-header {
    background: var(--pub-surface);
    border-bottom: 1px solid var(--pub-border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.pub-header-inner {
    max-width: var(--pub-max-width);
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.pub-brand {
    font-family: var(--pub-heading-font);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--pub-text);
    letter-spacing: 0.01em;
}
.pub-brand:hover { color: var(--pub-accent); text-decoration: none; }

.pub-nav { display: flex; gap: 1.5rem; }
.pub-nav a {
    color: var(--pub-muted);
    font-weight: 500;
    font-size: 0.9375rem;
}
.pub-nav a:hover,
.pub-nav a.active {
    color: var(--pub-accent);
    text-decoration: none;
}

/* Main */
.pub-main {
    flex: 1;
    max-width: var(--pub-max-width);
    margin: 0 auto;
    padding: 0 1.5rem 3rem;
    width: 100%;
}

/* Hero */
.pub-hero {
    padding: 3.5rem 0 2.5rem;
    text-align: center;
}

.pub-hero-inner { max-width: 640px; margin: 0 auto; }

.pub-hero h1 {
    font-size: 2.25rem;
    margin: 0 0 0.75rem;
    color: var(--pub-text);
}

.pub-hero p {
    color: var(--pub-muted);
    font-size: 1.0625rem;
    margin: 0;
}

/* Section */
.pub-section { margin-top: 1.5rem; }

.pub-section-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--pub-border);
    padding-bottom: 0.75rem;
}

.pub-section-header h1,
.pub-section-header h2 {
    margin: 0;
    font-size: 1.5rem;
}

.pub-link { font-weight: 600; font-size: 0.9375rem; }

/* Card grid */
.pub-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.5rem;
}

.pub-card {
    background: var(--pub-surface);
    border: 1px solid var(--pub-border);
    border-radius: var(--pub-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.15s, transform 0.15s;
}

.pub-card:hover {
    box-shadow: 0 8px 20px rgba(38, 37, 33, 0.08);
    transform: translateY(-2px);
}

.pub-card-media {
    display: block;
    aspect-ratio: 16 / 9;
    background: var(--pub-bg-pattern);
}

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

.pub-card-media-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--pub-heading-font);
    font-size: 2.5rem;
    color: var(--pub-accent);
    opacity: 0.4;
}

.pub-card-body {
    padding: 1.125rem 1.25rem 1.375rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.pub-card-date {
    font-size: 0.75rem;
    color: var(--pub-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.pub-card-title {
    font-size: 1.125rem;
    margin: 0.4rem 0 0.5rem;
}

.pub-card-title a { color: var(--pub-text); }
.pub-card-title a:hover { color: var(--pub-accent); text-decoration: none; }

.pub-card-excerpt {
    color: var(--pub-muted);
    font-size: 0.9375rem;
    margin: 0 0 0.75rem;
    flex: 1;
}

.pub-card-link {
    font-size: 0.875rem;
    font-weight: 600;
    align-self: flex-start;
}

/* Empty state */
.pub-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--pub-muted);
    background: var(--pub-surface);
    border: 1px dashed var(--pub-border);
    border-radius: var(--pub-radius);
}

/* Article detail */
.pub-article {
    background: var(--pub-surface);
    border: 1px solid var(--pub-border);
    border-radius: var(--pub-radius);
    padding: 2rem 2.25rem;
    max-width: 760px;
    margin: 0 auto;
}

.pub-article-header h1 {
    font-size: 2rem;
    margin: 0 0 0.5rem;
}

.pub-article-date {
    display: block;
    font-size: 0.8125rem;
    color: var(--pub-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 1.5rem;
}

.pub-article-image {
    width: 100%;
    border-radius: var(--pub-radius);
    margin-bottom: 1.5rem;
    display: block;
}

.pub-article-body {
    font-size: 1.0625rem;
    color: var(--pub-text);
}

.pub-article-body p { margin: 0 0 1.1rem; }

.pub-article-footer {
    margin-top: 2rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--pub-border);
}

/* Pagination */
.pub-pagination { margin-top: 2rem; }
.pub-pagination nav { display: flex; justify-content: center; }

/* Flash */
.pub-flash {
    padding: 0.75rem 1rem;
    border-radius: var(--pub-radius);
    margin: 1.5rem 0 0;
    font-size: 0.9375rem;
}
.pub-flash-success { background: #e3f1e9; color: #1f5138; border: 1px solid #c3e0d0; }
.pub-flash-error { background: #f9e3e1; color: #8a2f26; border: 1px solid #f1c6c1; }

/* Footer */
.pub-footer {
    border-top: 1px solid var(--pub-border);
    background: var(--pub-surface);
}

.pub-footer-inner {
    max-width: var(--pub-max-width);
    margin: 0 auto;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    color: var(--pub-muted);
    font-size: 0.875rem;
}

.pub-footer-inner p { margin: 0; }

.pub-footer-nav { display: flex; gap: 1.25rem; }
.pub-footer-nav a { color: var(--pub-muted); }
.pub-footer-nav a:hover { color: var(--pub-accent); }

@media (max-width: 640px) {
    .pub-header-inner { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
    .pub-hero { padding: 2.5rem 0 1.75rem; }
    .pub-hero h1 { font-size: 1.75rem; }
    .pub-article { padding: 1.5rem; }
    .pub-footer-inner { flex-direction: column; align-items: flex-start; }
}

/* Site-wide ad slots (shared partial class) */
.gw-ad {
    width: 100%;
    max-width: var(--pub-max-width);
    margin: 0.75rem auto 1rem;
    padding: 0 1.25rem;
    text-align: center;
    overflow: hidden;
}
.gw-ad--head {
    display: contents;
    margin: 0;
    padding: 0;
}
.gw-ad iframe,
.gw-ad ins {
    max-width: 100%;
}