/* ============================================================
   nbnstack.com — stylesheet
   Dark by default. Clean. Personal. Not a template.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Mono:wght@400;500&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ── Tokens ─────────────────────────────────────────────────── */
:root {
    --bg:           #0f0f0f;
    --bg-raised:    #161616;
    --bg-surface:   #1d1d1d;
    --border:       #2a2a2a;
    --border-light: #333;
    --text:         #e2e2e2;
    --text-dim:     #aeaeae;
    --text-faint:   #8f8f8f;
    --accent:       #c8a96e;
    --accent-dim:   rgba(200,169,110,0.12);
    --accent-glow:  rgba(200,169,110,0.06);
    --white:        #f5f5f5;
    --error:        #e05a5a;
    --success:      #5aab7a;

    --font-display: 'DM Serif Display', Georgia, serif;
    --font-body:    'DM Sans', system-ui, sans-serif;
    --font-mono:    'DM Mono', 'Courier New', monospace;

    --radius:       6px;
    --radius-lg:    10px;
    --nav-h:        60px;
    --max-w:        1100px;
    --max-w-text:   720px;

    --ease:         cubic-bezier(0.16, 1, 0.3, 1);
    --transition:   200ms var(--ease);
}

/* Light mode overrides */
[data-theme="light"] {
    --bg:           #f8f6f1;
    --bg-raised:    #f0ede6;
    --bg-surface:   #e8e4dc;
    --border:       #d8d3c8;
    --border-light: #ccc8bc;
    --text:         #1a1a1a;
    --text-dim:     #5a5a5a;
    --text-faint:   #999;
    --accent:       #a0772e;
    --accent-dim:   rgba(160,119,46,0.1);
    --accent-glow:  rgba(160,119,46,0.05);
}

/* ── Screen reader only ─────────────────────────────────────── */
.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border-width: 0;
}

/* ── Base ───────────────────────────────────────────────────── */
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    color: var(--text);
    background-color: var(--bg);
    transition: background-color 0.25s ease, color 0.25s ease;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 24px;
}

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

a:hover { opacity: 0.75; }

/* ── Navigation ─────────────────────────────────────────────── */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    height: var(--nav-h);
    background-color: var(--bg);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: background-color 0.25s ease, border-color 0.25s ease;
}

nav.scrolled {
    background-color: rgba(15,15,15,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

[data-theme="light"] nav.scrolled {
    background-color: rgba(248,246,241,0.92);
}

nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}


.nav-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-links a {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 400;
    color: var(--text-dim);
    text-decoration: none;
    padding: 6px 10px;
    border-radius: var(--radius);
    transition: color var(--transition), background var(--transition);
    letter-spacing: 0.01em;
}

.nav-links a:hover {
    color: var(--text);
    background: var(--bg-surface);
    opacity: 1;
}

.nav-links a.active {
    color: var(--accent);
}

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 0.75rem;
    cursor: pointer;
    padding: 5px 9px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    margin-left: 0.5rem;
    font-family: var(--font-mono);
    letter-spacing: 0.02em;
}

.theme-toggle:hover {
    color: var(--text);
    border-color: var(--border-light);
    background: var(--bg-surface);
}

[data-theme="dark"] .theme-toggle i {
    color: var(--accent);
}

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-h);
    background: var(--bg);
    position: relative;
    overflow: hidden;
}

/* Subtle grid overlay */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.3;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to top, var(--bg), transparent);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
    padding-top: 60px;
    padding-bottom: 80px;
}

.hero-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--accent);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.hero-eyebrow::before {
    content: '';
    display: inline-block;
    width: 24px;
    height: 1px;
    background: var(--accent);
}


.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 400;
    color: var(--white);
    line-height: 1.05;
    letter-spacing: -0.02em;
    margin-bottom: 1.25rem;
    animation: fadeUp 0.8s var(--ease) backwards;
}

[data-theme="light"] .hero-title { color: var(--text); }


.hero-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    animation: fadeUp 0.8s var(--ease) 0.2s backwards;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 10px 20px;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    border-radius: var(--radius);
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent);
    color: #0f0f0f;
}

.btn-primary:hover {
    opacity: 0.85;
    transform: translateY(-1px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-dim);
    border: 1px solid var(--border-light);
}

.btn-ghost:hover {
    color: var(--text);
    border-color: var(--text-faint);
    background: var(--bg-surface);
    opacity: 1;
}

.btn-icon {
    width: 14px;
    height: 14px;
    object-fit: contain;
    display: inline-block;
    vertical-align: middle;
    opacity: 0.75;
    filter: invert(1);
}

[data-theme="light"] .btn-icon {
    filter: invert(0.2);
    opacity: 0.6;
}

/* ── Sections ────────────────────────────────────────────────── */
section {
    padding: 80px 0;
}

.section-label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-faint);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.section-label::after {
    content: '';
    flex: 1;
    max-width: 40px;
    height: 1px;
    background: var(--border-light);
}

h2 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 400;
    color: var(--white);
    letter-spacing: -0.01em;
    margin-bottom: 2rem;
    text-align: left;
}

[data-theme="light"] h2 { color: var(--text); }

/* ── About ───────────────────────────────────────────────────── */
.about {
    background: var(--bg-raised);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.about-inner {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 5rem;
    align-items: start;
}

.about-text p {
    font-size: 1.05rem;
    color: var(--text-dim);
    line-height: 1.8;
    margin-bottom: 1.2rem;
    font-weight: 300;
}

.about-text p strong {
    color: var(--text);
    font-weight: 500;
}

.about-text a {
    color: var(--accent);
    text-decoration: underline;
    text-decoration-color: transparent;
    transition: text-decoration-color var(--transition);
}

.about-text a:hover {
    text-decoration-color: var(--accent);
    opacity: 1;
}

.about-aside {
    padding-top: 0.25rem;
}

.aside-block {
    margin-bottom: 2.5rem;
}

.aside-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-faint);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.aside-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.aside-list li {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-dim);
}

.aside-list li::before {
    content: '↳ ';
    color: var(--text-faint);
}

/* ── Media grid (Trakt / Books / Music) ─────────────────────── */

.media-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.media-count {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-faint);
}

/* Poster grid (movies) */
.trakt-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 10px;
}

.poster-item {
    cursor: pointer;
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.2s var(--ease);
}

.poster-item:hover {
    transform: scale(1.04);
    z-index: 2;
    position: relative;
}

.trakt-poster {
    width: 100%;
    aspect-ratio: 2/3;
    object-fit: cover;
    background: var(--bg-surface);
    display: block;
}

/* Album / book grid */
#music-feed,
#books-feed {
    display: grid;
    /* grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); */
    grid-template-columns: repeat(8, 1fr);
    gap: 10px;
}

.album-item {
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
    cursor: default;
    transition: transform 0.2s var(--ease);
}

.album-item:hover {
    transform: scale(1.04);
    z-index: 2;
}

.album-artwork {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
    background: var(--bg-surface);
    display: block;
}

.music-links {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    display: flex;
    gap: 8px;
    align-items: center;
    justify-content: center;
    padding: 10px;
    background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.album-item:hover .music-links { opacity: 1; }

.music-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px; height: 32px;
    border-radius: var(--radius);
    transition: transform 0.15s ease;
    text-decoration: none;
    opacity: 1;
}

.music-link:hover { transform: scale(1.1); opacity: 1; }

.music-link.apple-music { background: #FA243C; color: white; }
.music-link.spotify     { background: #1DB954; color: white; }
.music-link.audible     { background: #FFFFFF; color: white; }
.music-link.hardcover   { background: #1F2021; color: white; border: 1px solid #444; }
.music-link i { font-size: 14px; }

/* ── Loading / error states ─────────────────────────────────── */
.loading, .error-message {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-faint);
    padding: 2rem 0;
}

.error-message { color: var(--error); }

/* ── Contact ─────────────────────────────────────────────────── */
.contact {
    background: var(--bg-raised);
    border-top: 1px solid var(--border);
}

.contact-links {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* ── Footer ─────────────────────────────────────────────────── */
footer {
    background: var(--bg);
    border-top: 1px solid var(--border);
    padding: 2rem 0;
}

footer p {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-faint);
}

/* ── Page content (interior pages) ─────────────────────────── */
.page-content {
    min-height: calc(100vh - 200px);
    padding-top: calc(var(--nav-h) + 60px);
    padding-bottom: 80px;
}

.page-header {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.page-header h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    color: var(--white);
    letter-spacing: -0.02em;
    margin-top: 0.75rem;
}

[data-theme="light"] .page-header h1 { color: var(--text); }

/* Old h1 pattern (used on about, contact pages) */
.page-content > .container > h1,
.about.page-content h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    color: var(--white);
    letter-spacing: -0.02em;
    margin-bottom: 2.5rem;
    text-align: left;
}

[data-theme="light"] .page-content > .container > h1,
[data-theme="light"] .about.page-content h1 { color: var(--text); }

/* ── Projects page ───────────────────────────────────────────── */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 12px;
    background: transparent;
    border-radius: var(--radius-lg);
    overflow: visible;
}

.project-card {
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: background var(--transition), border-color var(--transition);
}

.project-card:hover { background: var(--bg-surface); border-color: var(--border-light); }


.project-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--white);
    letter-spacing: -0.01em;
}

[data-theme="light"] .project-card h3 { color: var(--text); }

.project-card p {
    font-size: 0.9rem;
    color: var(--text-dim);
    line-height: 1.6;
    flex: 1;
    font-weight: 300;
}

.project-links {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.project-links .btn {
    font-size: 0.75rem;
    padding: 7px 14px;
}

.loading-state, .error-state {
    text-align: left;
    padding: 2rem;
    color: var(--text-dim);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.error-state { color: var(--error); }

/* ── Project detail pages ────────────────────────────────────── */
.project-detail-header {
    margin-bottom: 3rem;
}


.project-detail-header h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 400;
    color: var(--white);
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

[data-theme="light"] .project-detail-header h1 { color: var(--text); }

.project-subtitle {
    font-size: 1.05rem;
    color: var(--text-dim);
    font-weight: 300;
    margin-bottom: 1.25rem;
}

.project-meta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.meta-item {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-faint);
}

.meta-item i { margin-right: 0.4rem; color: var(--accent); }



/* Features grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-top: 1.25rem;
}

.feature-card {
    background: var(--bg-raised);
    padding: 1.25rem;
    transition: background var(--transition);
}

.feature-card:hover { background: var(--bg-surface); }

.feature-card i,
.feature-card img,
.feature-card .iconify,
.feature-card .material-symbols-outlined {
    font-size: 1.4rem;
    color: var(--accent);
    margin-bottom: 0.75rem;
    display: block;
}

.feature-card h3 {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 0.4rem;
}

.feature-card p {
    font-size: 0.85rem;
    color: var(--text-dim);
    line-height: 1.5;
    font-weight: 300;
    margin-bottom: 0;
}

/* Tech specs */
.tech-specs { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 1rem; }

.tech-item {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 1rem;
    padding: 0.65rem 0.75rem;
    background: var(--bg-surface);
    border-radius: var(--radius);
    border-left: 2px solid var(--accent);
}

.tech-label {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-dim);
    font-weight: 500;
}

.tech-value {
    font-size: 0.88rem;
    color: var(--text-dim);
    font-weight: 300;
}

/* Problem / reason lists */
.problem-list, .reason-list { list-style: none; margin-left: 0; }

.problem-list li, .reason-list li {
    padding: 0.6rem 0.75rem 0.6rem 2rem;
    position: relative;
    margin-bottom: 0.5rem;
    background: var(--bg-surface);
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--text-dim);
}

.problem-list li::before {
    content: "→";
    position: absolute; left: 0.75rem;
    color: var(--accent);
}

.reason-list li::before {
    content: "✓";
    position: absolute; left: 0.75rem;
    color: var(--success);
}

.problem-list strong, .reason-list strong {
    color: var(--text);
    font-weight: 500;
}

/* Note card */
.note-card {
    background: var(--accent-dim);
    border-left: 3px solid var(--accent);
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin: 1rem 0;
}

.note-card p { margin: 0; color: var(--text-dim); font-size: 0.9rem; font-weight: 300; }
.note-card i { color: var(--accent); margin-right: 0.4rem; }

/* Back button */
.back-button-container { margin-top: 3rem; }



/* ── Project specs ───────────────────────────────────────────── */
.specs-container { max-width: 900px; }

.specs-section {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    margin-bottom: 1.5rem;
    background: var(--bg-raised);
}

.specs-section h2 {
    font-size: 0.82rem;
    color: var(--text-dim);
    margin-bottom: 1.25rem;
    font-family: var(--font-mono);
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.specs-section h2 i { color: var(--accent); }

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 0.5rem;
}

.spec-item {
    padding: 0.75rem;
    background: var(--bg-surface);
    border-radius: var(--radius);
    border-left: 2px solid var(--accent);
}

.spec-label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-faint);
    display: block;
    margin-bottom: 0.3rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.spec-value { font-size: 0.9rem; color: var(--text-dim); display: block; font-weight: 300; }

.specs-list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 0.4rem; }

.specs-list li {
    padding: 0.65rem 0.75rem;
    background: var(--bg-surface);
    border-radius: var(--radius);
    font-size: 0.9rem;
    color: var(--text-dim);
    font-weight: 300;
}

.performance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.75rem;
}

.performance-card {
    padding: 1.25rem;
    background: var(--bg-surface);
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.performance-card:hover {
    border-color: var(--border-light);
    background: var(--bg-raised);
}

.performance-card i,
.performance-card img,
.performance-card .iconify,
.performance-card .material-symbols-outlined {
    font-size: 1.5rem;
    color: var(--accent);
    margin: 0 auto 0.75rem;
    display: block;
}

.performance-card h3, .performance-card h4 {
    font-size: 0.82rem;
    color: var(--text);
    margin-bottom: 0.4rem;
    font-weight: 500;
    font-family: var(--font-mono);
    word-wrap: break-word;
}

.performance-card p { font-size: 0.82rem; color: var(--text-dim); font-weight: 300; }

/* Comparison table */
.comparison-table { overflow-x: auto; }

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    font-size: 0.9rem;
}

.comparison-table th, .comparison-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.comparison-table th {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-faint);
    background: var(--bg-surface);
    font-weight: 400;
}

.comparison-table td { color: var(--text-dim); font-weight: 300; }
.comparison-table .old-spec { background: rgba(224,90,90,0.06); }
.comparison-table .new-spec { background: rgba(90,171,122,0.06); }
.comparison-table th.old-spec { color: #e05a5a; }
.comparison-table th.new-spec { color: #5aab7a; }
.comparison-table tbody tr:hover td { background: var(--bg-surface); }
.comparison-table i { margin-right: 0.4rem; }

/* Use cases / automation lists */
.use-cases, .automation-list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 0.4rem; }

.use-cases li, .automation-list li {
    padding: 0.85rem 1rem;
    background: var(--bg-surface);
    border-radius: var(--radius);
    color: var(--text-dim);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9rem;
    font-weight: 300;
}

.use-cases i, .use-cases img,
.use-cases .iconify, .use-cases .material-symbols-outlined,
.automation-list i, .automation-list img,
.automation-list .iconify, .automation-list .material-symbols-outlined {
    color: var(--accent);
    margin-top: 0.1rem;
    font-size: 1rem;
    flex-shrink: 0;
}

/* ── Animations ──────────────────────────────────────────────── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 900px) {
    .about-inner { grid-template-columns: 1fr; gap: 2.5rem; }
    .about-aside { display: none; }
    .trakt-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 768px) {
    .nav-links a { font-size: 0.72rem; padding: 5px 7px; }
    .trakt-grid { grid-template-columns: repeat(3, 1fr); }
    #music-feed, #books-feed { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
    .performance-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-links {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    .contact-links .btn { justify-content: center; width: 100%; }
}

@media (max-width: 520px) {
    .nav-links a { font-size: 0.68rem; padding: 4px 5px; }
    .theme-toggle { padding: 4px 7px; }
    .trakt-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    section { padding: 60px 0; }
    #music-feed, #books-feed { grid-template-columns: repeat(2, 1fr); }
    .page-content { padding-top: calc(var(--nav-h) + 36px); }
    .uses-grid, .features-grid, .projects-grid { grid-template-columns: 1fr; }
    .automation-list li, .use-cases li { display: block; }
    .automation-list li i, .use-cases li i { display: inline; margin-right: 0.4rem; }
}