/* Horlogerie Blog — MECANIQUE Design System */
/* Technical/industrial blueprint aesthetic for watch connoisseurs */

/* ========== Tokens ========== */
:root {
    --c-bg: #f0eeeb;
    --c-surface: #ffffff;
    --c-text: #2d2d2d;
    --c-text-muted: #777777;
    --c-accent: #b87333;
    --c-accent-hover: #9a5f28;
    --c-accent-light: rgba(184, 115, 51, 0.10);
    --c-steel: #4a6572;
    --c-steel-light: rgba(74, 101, 114, 0.10);
    --c-border: #d5d0ca;
    --c-border-light: #e3dfd9;
    --c-hero-bg: #3a3a38;
    --c-hero-text: #f0eeeb;
    --c-footer-bg: #2f3d44;
    --c-footer-text: #dde1e3;
    --font-sans: 'Inter', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', 'Consolas', monospace;
    --max-w: 960px;
    --radius: 2px;
    --radius-sm: 1px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 3px 10px rgba(0, 0, 0, 0.08);
    --transition: 0.2s ease;

    /* Grid-paper background for cards (CSS-only texture) */
    --grid-pattern: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 19px,
        rgba(184, 115, 51, 0.04) 19px,
        rgba(184, 115, 51, 0.04) 20px
    ),
    repeating-linear-gradient(
        90deg,
        transparent,
        transparent 19px,
        rgba(184, 115, 51, 0.04) 19px,
        rgba(184, 115, 51, 0.04) 20px
    );
}

/* ========== Reset ========== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    background: var(--c-bg);
    color: var(--c-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: var(--c-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--c-accent-hover); }

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

/* ========== Header ========== */
header {
    background: var(--c-surface);
    border-bottom: 1px dashed var(--c-border);
    position: relative;
    
    z-index: 100;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.94);
}

.header-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 1rem 1.5rem 0.3rem;
    text-align: center;
}

.logo {
    font-family: var(--font-mono);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--c-text);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    position: relative;
    display: inline-block;
}
.logo::before {
    content: '//';
    color: var(--c-accent);
    margin-right: 0.3em;
    font-weight: 400;
}
.logo:hover { color: var(--c-accent); }

.header-nav {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0.3rem 1.5rem 0.7rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.header-nav::-webkit-scrollbar { display: none; }

header nav ul, .header-nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 1.4rem;
    align-items: center;
    flex-wrap: nowrap;
    white-space: nowrap;
}

header nav ul a {
    color: var(--c-text-muted);
    font-family: var(--font-sans);
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: color var(--transition);
}
header nav ul a:hover { color: var(--c-text); }

.rss-link {
    font-family: var(--font-mono) !important;
    font-size: 0.72rem !important;
    padding: 0.2rem 0.55rem;
    border: 1px dashed var(--c-border);
    letter-spacing: 0.06em;
}
.rss-link:hover {
    border-color: var(--c-accent);
    color: var(--c-accent) !important;
}

/* ========== Main ========== */
main {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem;
}

/* ========== Breadcrumb ========== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--c-text-muted);
    margin-bottom: 2rem;
    letter-spacing: 0.02em;
    overflow: hidden;
}
.breadcrumb a { color: var(--c-text-muted); flex-shrink: 0; }
.breadcrumb a:hover { color: var(--c-accent); }
.breadcrumb span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}
.breadcrumb svg { opacity: 0.4; flex-shrink: 0; }

/* ========== Hero ========== */
.hero {
    background: var(--c-hero-bg);
    color: var(--c-hero-text);
    padding: 4.5rem 2rem;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(184, 115, 51, 0.2);
}

/* Blueprint grid overlay on hero */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 39px,
            rgba(184, 115, 51, 0.06) 39px,
            rgba(184, 115, 51, 0.06) 40px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 39px,
            rgba(184, 115, 51, 0.06) 39px,
            rgba(184, 115, 51, 0.06) 40px
        );
    pointer-events: none;
}

/* Circular crosshair mark (caliber reference ring) */
.hero::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 120px;
    height: 120px;
    transform: translate(-50%, -50%);
    border: 1px dashed rgba(184, 115, 51, 0.12);
    border-radius: 50%;
    pointer-events: none;
}

.hero h1 {
    font-family: var(--font-mono);
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.6rem;
    position: relative;
    z-index: 1;
}

.hero-tagline {
    font-family: var(--font-sans);
    font-size: 1rem;
    opacity: 0.7;
    max-width: 540px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    letter-spacing: 0.02em;
    line-height: 1.6;
}

/* ========== Sections ========== */
.section { margin-bottom: 3rem; }

.section-title {
    font-family: var(--font-sans);
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.2rem;
    color: var(--c-steel);
    padding-bottom: 0.5rem;
    border-bottom: 1px dashed var(--c-border);
    position: relative;
}
.section-title::before {
    content: '\2014\00a0';
    color: var(--c-accent);
}

.page-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px dashed var(--c-border);
}
.page-header h1 {
    font-family: var(--font-sans);
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--c-text);
}
.page-header p {
    color: var(--c-text-muted);
    margin-top: 0.5rem;
    font-size: 0.92rem;
}

/* ========== Cards ========== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

.card {
    background: var(--c-surface);
    background-image: var(--grid-pattern);
    border: 1px solid var(--c-border-light);
    border-left: 3px solid var(--c-accent);
    overflow: hidden;
    transition: box-shadow var(--transition), border-color var(--transition);
    position: relative;
}

/* Folded corner — technical drawing reference mark */
.card::before {
    content: '';
    position: absolute;
    
    right: 0;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 20px 20px 0;
    border-color: transparent var(--c-bg) transparent transparent;
    z-index: 1;
}

.card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--c-border);
}

.card-body {
    padding: 1.4rem;
}

.card-body h3 {
    font-family: var(--font-sans);
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}
.card-body h3 a { color: var(--c-text); }
.card-body h3 a:hover { color: var(--c-accent); }

.card-body p {
    font-size: 0.88rem;
    color: var(--c-text-muted);
    line-height: 1.6;
    margin-bottom: 0.6rem;
}

.card-body time {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--c-text-muted);
    letter-spacing: 0.04em;
}

.card-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--c-accent);
    margin-bottom: 0.5rem;
}

/* ========== Chips ========== */
.category-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.chip {
    display: inline-block;
    padding: 0.4rem 0.9rem;
    background: var(--c-surface);
    border: 1px dashed var(--c-border);
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--c-text);
    letter-spacing: 0.03em;
    transition: all var(--transition);
}
.chip:hover {
    background: var(--c-accent);
    color: white;
    border-color: var(--c-accent);
    border-style: solid;
}

.chip-sm {
    padding: 0.2rem 0.6rem;
    font-size: 0.72rem;
}

/* ========== Article ========== */
.article {
    max-width: 700px;
}

.article-header {
    margin-bottom: 2rem;
}
.article-header h1 {
    font-family: var(--font-sans);
    font-size: 2rem;
    line-height: 1.25;
    letter-spacing: -0.01em;
    margin-bottom: 0.8rem;
    font-weight: 700;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.82rem;
    color: var(--c-text-muted);
    margin-bottom: 0.6rem;
}
.article-meta time {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.04em;
}

.article-category {
    font-family: var(--font-mono);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    color: var(--c-accent);
    padding: 0.15rem 0.5rem;
    background: var(--c-accent-light);
}
.article-category:hover { color: var(--c-accent-hover); }

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.5rem;
}

/* ========== Prose (article body) ========== */
.article-body {
    line-height: 1.8;
}

.prose {
    font-size: 1rem;
    line-height: 1.8;
}

.prose h1, .prose h2, .prose h3 {
    font-family: var(--font-sans);
    font-weight: 700;
    margin-top: 2.5rem;
    margin-bottom: 0.6rem;
    color: var(--c-text);
}
.prose h2 {
    font-size: 1.4rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px dashed var(--c-border);
}
.prose h3 { font-size: 1.15rem; }

.prose p { margin-bottom: 1.3rem; }

.prose ul, .prose ol {
    margin-bottom: 1.3rem;
    padding-left: 1.5rem;
}
.prose li { margin-bottom: 0.3rem; }

.prose a {
    color: var(--c-accent);
    text-decoration: underline;
    text-decoration-color: rgba(184, 115, 51, 0.3);
    text-underline-offset: 3px;
    transition: text-decoration-color var(--transition), color var(--transition);
}
.prose a:hover {
    text-decoration-color: var(--c-accent);
}

.prose blockquote {
    border-left: 3px solid var(--c-accent);
    padding: 0.8rem 1.2rem;
    margin: 1.5rem 0;
    color: var(--c-text-muted);
    font-style: italic;
    background: var(--c-accent-light);
}

.prose code {
    font-family: var(--font-mono);
    background: var(--c-steel-light);
    padding: 0.15rem 0.4rem;
    font-size: 0.86em;
    color: var(--c-steel);
}

.prose pre {
    background: #1e2a30;
    color: #d8dee2;
    padding: 1.2rem;
    overflow-x: auto;
    margin-bottom: 1.5rem;
    border: 1px dashed rgba(184, 115, 51, 0.2);
    font-family: var(--font-mono);
    font-size: 0.88rem;
    line-height: 1.6;
}
.prose pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.prose hr {
    border: none;
    border-top: 1px dashed var(--c-border);
    margin: 2.5rem 0;
}

.prose img {
    margin: 1.5rem 0;
    border: 1px solid var(--c-border-light);
}

.prose strong { color: var(--c-text); }

/* Technical tables — caliber specification sheet feel */
.prose table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.9rem;
}
.prose th {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: var(--c-steel-light);
    color: var(--c-steel);
    padding: 0.6rem 0.8rem;
    text-align: left;
    border-bottom: 2px solid var(--c-border);
}
.prose td {
    padding: 0.6rem 0.8rem;
    border-bottom: 1px dashed var(--c-border-light);
}

/* ========== Article footer ========== */
.article-footer {
    margin-top: 3rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--c-border);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--c-text-muted);
    letter-spacing: 0.02em;
}
.article-footer time {
    font-family: var(--font-mono);
}

/* ========== Related articles ========== */
.related-articles {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px dashed var(--c-border);
}

/* ========== Draft banner ========== */
.draft-banner {
    display: inline-block;
    background: transparent;
    color: #c0392b;
    padding: 0.3rem 0.9rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    border: 2px dashed #c0392b;
    margin-bottom: 1rem;
}

/* ========== Pagination ========== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 3rem;
}
.pagination-info {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--c-text-muted);
    letter-spacing: 0.04em;
}

.btn {
    display: inline-block;
    padding: 0.5rem 1.2rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: all var(--transition);
    cursor: pointer;
}
.btn-outline {
    border: 1px dashed var(--c-border);
    color: var(--c-text);
    background: var(--c-surface);
}
.btn-outline:hover {
    border-color: var(--c-accent);
    border-style: solid;
    color: var(--c-accent);
    background: var(--c-accent-light);
}

/* ========== Empty state ========== */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--c-text-muted);
    font-family: var(--font-mono);
    font-size: 0.92rem;
    letter-spacing: 0.03em;
}
.empty-state h1 {
    font-family: var(--font-mono);
    font-size: 4rem;
    font-weight: 700;
    color: var(--c-accent);
    letter-spacing: 0.15em;
}

/* ========== Series ========== */
.series-banner {
    background: var(--c-surface);
    background-image: var(--grid-pattern);
    border: 1px dashed var(--c-border);
    border-left: 3px solid var(--c-accent);
    padding: 1rem 1.2rem;
    margin-bottom: 2rem;
}

.series-link {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
    text-decoration: none;
    color: var(--c-text);
}
.series-link:hover { color: var(--c-accent); }

.series-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--c-accent);
    background: var(--c-accent-light);
    padding: 0.15rem 0.5rem;
}

.series-progress {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--c-text-muted);
    margin-left: auto;
    letter-spacing: 0.04em;
}

.series-nav {
    display: flex;
    gap: 0.4rem;
    margin-top: 0.6rem;
}

/* Square dots — like jewel positions on a technical drawing */
.series-dot {
    width: 10px;
    height: 10px;
    border-radius: 0;
    display: inline-block;
    transition: transform var(--transition);
}
.series-dot:hover { transform: scale(1.3); }

.series-dot-current { background: var(--c-accent); }
.series-dot-published { background: var(--c-steel); }
.series-dot-upcoming {
    background: transparent;
    border: 1px dashed var(--c-border);
}

/* Series index page - grid */
.series-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.series-card {
    display: block;
    background: var(--c-surface);
    background-image: var(--grid-pattern);
    border: 1px solid var(--c-border-light);
    border-left: 3px solid var(--c-steel);
    overflow: hidden;
    text-decoration: none;
    color: var(--c-text);
    transition: box-shadow var(--transition), border-color var(--transition);
}
.series-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--c-border);
    color: var(--c-text);
}

.series-card-image {
    height: 180px;
    overflow: hidden;
}
.series-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.7) contrast(1.05);
    transition: filter var(--transition);
}
.series-card:hover .series-card-image img {
    filter: saturate(1) contrast(1);
}

.series-card-body {
    padding: 1.2rem;
}
.series-card-body h2 {
    font-family: var(--font-sans);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    line-height: 1.3;
}
.series-card-body p {
    font-size: 0.82rem;
    color: var(--c-text-muted);
    line-height: 1.5;
    margin-bottom: 0.6rem;
}
.series-card-count {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--c-accent);
    font-weight: 600;
    letter-spacing: 0.04em;
}

.series-hero-image {
    overflow: hidden;
    margin-bottom: 2rem;
    max-height: 300px;
    border: 1px solid var(--c-border-light);
}
.series-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.7);
}

/* Series detail page - parts list */
.series-parts { display: flex; flex-direction: column; gap: 0.8rem; }

.series-part {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.2rem;
    background: var(--c-surface);
    background-image: var(--grid-pattern);
    border: 1px solid var(--c-border-light);
    border-left: 3px solid var(--c-accent);
    transition: box-shadow var(--transition);
}
.series-part-published:hover { box-shadow: var(--shadow-md); }

.series-part-number {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--c-accent);
    min-width: 2rem;
    text-align: center;
    line-height: 1;
    padding-top: 0.2rem;
}

.series-part-body h3 { font-size: 0.98rem; margin-bottom: 0.3rem; font-weight: 600; }
.series-part-body h3 a { color: var(--c-text); }
.series-part-body h3 a:hover { color: var(--c-accent); }
.series-part-body p { font-size: 0.82rem; color: var(--c-text-muted); }

.series-part-upcoming { opacity: 0.5; border-left-style: dashed; }

/* ========== Comments ========== */
.comments-section { margin-top: 3rem; }

.comment {
    background: var(--c-surface);
    border: 1px solid var(--c-border-light);
    border-left: 3px solid var(--c-steel);
    padding: 1.2rem;
    margin-bottom: 0.8rem;
}

.comment-reply {
    margin-left: 2rem;
    border-left-color: var(--c-accent);
}

.comment-header {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.comment-author {
    font-size: 0.92rem;
    color: var(--c-text);
    font-weight: 600;
}

.comment-meta {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--c-accent);
    background: var(--c-accent-light);
    padding: 0.15rem 0.5rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.comment-header time {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--c-text-muted);
    margin-left: auto;
    letter-spacing: 0.03em;
}

.comment-reply-to {
    font-size: 0.75rem;
    color: var(--c-text-muted);
    font-style: italic;
    margin-bottom: 0.4rem;
}

.comment-body {
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ========== Footer ========== */
footer {
    background: var(--c-footer-bg);
    color: var(--c-footer-text);
    margin-top: 4rem;
    border-top: 3px solid var(--c-accent);
}

.footer-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 3rem 1.5rem 2rem;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
}

.footer-col { }

.footer-brand {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
    color: var(--c-footer-text);
}
.footer-brand::before {
    content: '//';
    color: var(--c-accent);
    margin-right: 0.3em;
    font-weight: 400;
}

.footer-tagline {
    font-size: 0.82rem;
    opacity: 0.6;
    line-height: 1.5;
}

.footer-heading {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    opacity: 0.4;
    margin-bottom: 0.8rem;
}

footer ul { list-style: none; }
footer ul li { margin-bottom: 0.4rem; }
footer ul a {
    color: var(--c-footer-text);
    opacity: 0.65;
    font-size: 0.85rem;
    transition: opacity var(--transition), color var(--transition);
}
footer ul a:hover {
    opacity: 1;
    color: var(--c-accent);
}

.footer-privacy {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 1rem 1.5rem;
    border-top: 1px dashed rgba(255, 255, 255, 0.08);
    text-align: center;
}
.footer-privacy p {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    opacity: 0.4;
    letter-spacing: 0.04em;
}

.footer-bottom {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 1rem 1.5rem 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    opacity: 0.3;
    text-align: center;
    letter-spacing: 0.06em;
}

/* ========== Selection ========== */
::selection {
    background: var(--c-accent);
    color: white;
}

/* ========== Focus styles (accessibility) ========== */
a:focus-visible,
.btn:focus-visible,
.chip:focus-visible {
    outline: 2px solid var(--c-accent);
    outline-offset: 2px;
}

/* ========== Responsive (mobile) ========== */
@media (max-width: 768px) {
    /* Header: horizontal scroll nav, no wrapping */
    .header-inner {
        padding: 0.7rem 1rem 0.2rem;
    }

    .header-nav {
        padding: 0.2rem 0.5rem 0.5rem;
    }

    .header-nav ul {
        justify-content: flex-start;
        gap: 0.8rem;
    }

    .logo {
        font-size: 0.85rem;
        letter-spacing: 0.06em;
    }

    header nav {
        width: 100%;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    header nav::-webkit-scrollbar { display: none; }

    header nav ul {
        gap: 0.8rem;
        flex-wrap: nowrap;
        white-space: nowrap;
        padding-bottom: 2px;
    }

    header nav ul a {
        font-size: 0.76rem;
        padding: 0.25rem 0;
    }

    /* Main content padding */
    main { padding: 1.5rem 1rem 3rem; }

    /* Hero */
    .hero { padding: 2.5rem 1.2rem; }
    .hero h1 { font-size: 1.5rem; letter-spacing: 0.06em; }
    .hero-tagline { font-size: 0.88rem; }
    .hero::after { width: 80px; height: 80px; }

    /* Article */
    .article-header h1 { font-size: 1.45rem; }
    .article-meta { flex-wrap: wrap; gap: 0.4rem; }

    /* Section titles */
    .section-title { font-size: 0.95rem; }

    /* Page header */
    .page-header h1 { font-size: 1.4rem; }

    /* Series banner */
    .series-banner { padding: 0.8rem 1rem; }
    .series-link { font-size: 0.88rem; }
    .series-progress { font-size: 0.7rem; margin-left: 0; }
    .series-nav { flex-wrap: wrap; gap: 0.3rem; }
    .series-dot { width: 8px; height: 8px; }

    /* Cards */
    .card-grid { grid-template-columns: 1fr; }
    .series-grid { grid-template-columns: 1fr; }

    /* Card corner fold */
    .card::before { border-width: 0 14px 14px 0; }

    /* Breadcrumb */
    .breadcrumb {
        overflow-x: auto;
        flex-wrap: nowrap;
        white-space: nowrap;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
    }
    .breadcrumb::-webkit-scrollbar { display: none; }

    /* Footer */
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 2rem 1rem;
    }
    .footer-privacy p { font-size: 0.65rem; }

    /* Comments */
    .comment-reply { margin-left: 1rem; }
    .comment-header { gap: 0.4rem; }
    .comment-header time { margin-left: 0; }

    /* Series parts */
    .series-part { padding: 1rem; }
    .series-part-number { font-size: 1.2rem; }

    /* Chips */
    .category-chips { gap: 0.5rem; }

    /* Pagination */
    .pagination { gap: 0.75rem; }
    .btn { padding: 0.45rem 1rem; font-size: 0.72rem; }
}