/* =============================================
   jabondano.co — Consultancy Design System
   Clean, professional advisory aesthetic
   ============================================= */

/* ===== Design Tokens ===== */
:root {
    --bg-deep: #ffffff;
    --bg-panel: #f8fafc;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --bg-elevated: #f1f5f9;

    --heading: #0f172a;
    --body: #334155;
    --muted: #64748b;
    --accent: #1e40af;
    --accent-hover: #1d4ed8;
    --accent-dim: rgba(30, 64, 175, 0.08);

    --border: #e2e8f0;
    --border-hover: #cbd5e1;

    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Fira Code', monospace;
}

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

html {
    scroll-behavior: smooth;
}

/* ===== Base ===== */
body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--body);
    background-color: var(--bg-deep);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-panel);
}

::-webkit-scrollbar-thumb {
    background: var(--border-hover);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--muted);
}

/* ===== Layout ===== */
.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px;
}

main {
    padding: 120px 0;
}

section {
    margin-bottom: 64px;
}

/* ===== Typography ===== */
h1 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--heading);
    margin-bottom: 8px;
}

h2 {
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--muted);
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 3px;
}

h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--heading);
    margin-bottom: 8px;
}

p {
    color: var(--body);
    margin-bottom: 16px;
}

p:last-child {
    margin-bottom: 0;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--accent-hover);
}

strong {
    color: var(--heading);
    font-weight: 600;
}

em {
    color: var(--muted);
}

/* ===== Divider ===== */
hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 48px 0;
}

/* ===== Skip to Content ===== */
.skip-to-content {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: #ffffff;
    padding: 12px 24px;
    z-index: 10001;
    transition: top 0.3s ease;
    font-weight: 500;
    border-radius: 0 0 6px 6px;
}

.skip-to-content:focus {
    top: 0;
    color: #ffffff;
}

/* ===== Sticky Navigation (Homepage) ===== */
.nav-header {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.nav-container {
    max-width: 720px;
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--heading);
    text-decoration: none;
    font-size: 0.9375rem;
}

.nav-brand:hover {
    color: var(--accent);
}

.nav-header .nav-links {
    display: flex;
    gap: 24px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-header .nav-links a {
    font-family: var(--font-body);
    color: var(--muted);
    font-size: 0.8125rem;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--heading);
    cursor: pointer;
    padding: 8px;
}

.nav-toggle svg {
    width: 24px;
    height: 24px;
}

/* ===== Page Navigation (Notes, Articles) ===== */
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    margin-bottom: 32px;
}

.nav-logo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    color: var(--heading);
    text-decoration: none;
}

.nav-logo:hover {
    color: var(--accent);
}

.nav .nav-links {
    display: flex;
    gap: 24px;
}

.nav .nav-links a {
    font-family: var(--font-body);
    color: var(--muted);
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s ease;
}

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

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

/* ===== Hero ===== */
.hero {
    display: flex;
    align-items: flex-start;
    gap: 32px;
    margin-bottom: 48px;
}

.hero-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    background-color: var(--bg-panel);
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: box-shadow 0.3s ease;
}

.hero-photo:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.hero-content {
    flex: 1;
}

.tagline {
    font-size: 1.25rem;
    color: var(--body);
    margin-bottom: 16px;
    line-height: 1.5;
}

.social-links {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.social-links a {
    color: var(--muted);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.social-links a:hover {
    color: var(--accent);
}

.social-links svg {
    width: 18px;
    height: 18px;
}

/* ===== Timeline ===== */
.timeline-item {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 24px;
    margin-bottom: 40px;
    align-items: start;
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--muted);
    padding-top: 4px;
}

.timeline-content h3 {
    color: var(--heading);
}

.timeline-content p {
    font-size: 0.9375rem;
}

.timeline-logo {
    width: 48px;
    height: 48px;
    margin-bottom: 12px;
    border-radius: 6px;
    background-color: var(--bg-panel);
}

/* ===== POV / Thesis ===== */
.pov-content {
    max-width: 600px;
}

.pov-main {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--heading);
    margin-bottom: 16px;
}

.pov-secondary {
    font-size: 1rem;
    color: var(--body);
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.pov-list {
    list-style: none;
    padding: 0;
}

.pov-list li {
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    color: var(--body);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.pov-list li:last-child {
    border-bottom: none;
}

.pov-list li strong {
    color: var(--heading);
    display: block;
    margin-bottom: 4px;
}

/* ===== Project Cards ===== */
.projects-grid {
    display: grid;
    gap: 24px;
}

.project-card {
    padding: 20px;
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-card:hover {
    border-color: var(--border-hover);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.project-card h3 {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ===== Recent Thoughts ===== */
.thoughts-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.thought-item {
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.thought-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.thought-date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--muted);
    margin-bottom: 8px;
}

.thought-item h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.thought-item h3 a {
    color: var(--heading);
}

.thought-item h3 a:hover {
    color: var(--accent);
}

.thought-item p {
    font-size: 0.9375rem;
    color: var(--body);
    line-height: 1.6;
}

/* ===== Press ===== */
.press-list {
    list-style: none;
}

.press-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.press-list li:last-child {
    border-bottom: none;
}

.press-date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--muted);
    margin-right: 12px;
}

/* ===== Skills ===== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
}

.skill-category h3 {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.skill-category ul {
    list-style: none;
}

.skill-category li {
    color: var(--body);
    font-size: 0.9375rem;
    padding: 4px 0;
}

/* ===== Books ===== */
.books-section {
    margin-bottom: 64px;
}

.books-intro {
    margin-bottom: 32px;
}

.books-stats {
    display: flex;
    gap: 32px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.books-stat {
    text-align: center;
}

.books-stat-number {
    display: block;
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent);
}

.books-stat-label {
    font-size: 0.75rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.books-category {
    margin-bottom: 32px;
}

.books-category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.books-category-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--heading);
    margin: 0;
}

.books-category-count {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--muted);
    background: var(--bg-elevated);
    padding: 2px 8px;
    border-radius: 4px;
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 12px;
}

.book-item {
    position: relative;
    aspect-ratio: 2/3;
    border-radius: 4px;
    overflow: hidden;
    background: linear-gradient(145deg, #f8fafc 0%, #f1f5f9 50%, #e2e8f0 100%);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
    display: block;
    text-decoration: none;
    color: inherit;
}

.book-item:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.book-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s ease;
    opacity: 0;
}

.book-cover.loaded {
    opacity: 1;
}

.book-cover.error {
    opacity: 0;
}

.book-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 8px;
    text-align: center;
    background: linear-gradient(145deg, #f8fafc 0%, #f1f5f9 50%, #e2e8f0 100%);
    opacity: 1;
    transition: opacity 0.3s ease;
}

.book-placeholder.hidden {
    opacity: 0;
}

.book-placeholder-title {
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--body);
    line-height: 1.2;
    margin-bottom: 4px;
}

.book-placeholder-author {
    font-size: 0.5rem;
    color: var(--muted);
}

/* ===== Bio ===== */
.bio-box {
    padding: 24px;
    background-color: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 6px;
    margin-bottom: 32px;
}

.bio-box p {
    font-size: 0.9375rem;
}

.personal-details {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-top: 24px;
}

.personal-detail {
    font-size: 0.875rem;
    color: var(--heading);
}

.personal-detail span {
    color: var(--muted);
}

/* ===== Conversation Prompt ===== */
.conversation-prompt {
    margin-top: 32px;
    padding: 20px;
    background: var(--accent-dim);
    border-left: 3px solid var(--accent);
    border-radius: 0 6px 6px 0;
}

.conversation-prompt p {
    font-size: 0.9375rem;
    color: var(--body);
    margin-bottom: 12px;
}

.conversation-prompt p:last-child {
    margin-bottom: 0;
}

.conversation-links {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.conversation-links a {
    font-size: 0.875rem;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ===== Simple Link Button ===== */
.btn-simple {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    font-weight: 500;
    padding: 8px 0;
    transition: color 0.2s ease;
}

.btn-simple:hover {
    color: var(--accent-hover);
}

.btn-simple svg {
    transition: transform 0.2s ease;
}

.btn-simple:hover svg {
    transform: translateX(4px);
}

/* ===== Page Header (Notes listing) ===== */
.page-header {
    margin-bottom: 48px;
}

.page-header h1 {
    font-family: var(--font-heading);
    color: var(--heading);
}

.page-header p {
    font-size: 1.125rem;
    color: var(--body);
}

/* ===== Post List (Notes listing) ===== */
.posts-list {
    list-style: none;
}

.post-item {
    padding: 24px 0;
    border-bottom: 1px solid var(--border);
}

.post-item:first-child {
    padding-top: 0;
}

.post-item:last-child {
    border-bottom: none;
}

.post-date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--muted);
    margin-bottom: 8px;
}

.post-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--heading);
    margin-bottom: 8px;
    line-height: 1.4;
}

.post-title a {
    color: var(--heading);
    text-decoration: none;
}

.post-title a:hover {
    color: var(--accent);
}

.post-excerpt {
    font-size: 0.9375rem;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: 12px;
}

.post-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.post-tag {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--muted);
    background: var(--bg-elevated);
    padding: 4px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===== Article Styles (Note posts) ===== */
.article-header {
    margin-bottom: 48px;
}

.article-meta {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--muted);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.article-date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--muted);
}

.article-author {
    font-size: 0.875rem;
    color: var(--body);
}

.article-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 16px;
}

.article-tag {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--muted);
    background: var(--bg-elevated);
    padding: 4px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.article-content {
    font-size: 1.0625rem;
    line-height: 1.8;
}

.article-content p {
    margin-bottom: 24px;
}

.article-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--heading);
    margin-top: 48px;
    margin-bottom: 16px;
    text-transform: none;
    letter-spacing: -0.01em;
}

.article-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--heading);
    margin-top: 32px;
    margin-bottom: 12px;
}

.article-content ul,
.article-content ol {
    margin-bottom: 24px;
    padding-left: 24px;
    color: var(--body);
}

.article-content li {
    margin-bottom: 8px;
}

.article-content strong {
    color: var(--heading);
    font-weight: 600;
}

/* ===== Code Blocks (Articles) ===== */
pre {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 20px;
    overflow-x: auto;
    margin-bottom: 24px;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.6;
}

code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    color: var(--accent);
    background: var(--accent-dim);
    padding: 2px 6px;
    border-radius: 4px;
}

pre code {
    color: var(--body);
    background: none;
    padding: 0;
}

/* ===== Blockquote (Articles) ===== */
blockquote {
    border-left: 3px solid var(--accent);
    padding-left: 20px;
    margin: 24px 0;
    color: var(--body);
    font-style: italic;
}

/* ===== Tables (Articles) ===== */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 24px;
    font-size: 0.9375rem;
}

th, td {
    text-align: left;
    padding: 12px;
    border-bottom: 1px solid var(--border);
}

th {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--heading);
    background: var(--bg-panel);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

td {
    color: var(--body);
}

/* Bot table variant */
.bot-table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 0.9375rem;
}

.bot-table th, .bot-table td {
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.bot-table th {
    color: var(--muted);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.bot-table td {
    color: var(--body);
}

.bot-table td:first-child {
    color: var(--heading);
    font-weight: 600;
}

/* ===== Diagrams (Articles) ===== */
.diagram {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 24px;
    margin: 24px 0;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    line-height: 1.4;
    color: var(--body);
    white-space: pre;
}

/* ===== Callout Box (Articles) ===== */
.callout {
    background: var(--accent-dim);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: 0 6px 6px 0;
    padding: 20px;
    margin: 24px 0;
}

.callout-title {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--heading);
    margin-bottom: 8px;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.callout p {
    margin-bottom: 0;
    font-size: 0.9375rem;
}

/* ===== Highlight Box (Articles) ===== */
.highlight-box {
    background: var(--accent-dim);
    border-left: 3px solid var(--accent);
    padding: 20px 24px;
    margin: 32px 0;
    border-radius: 0 6px 6px 0;
}

.highlight-box p:last-child {
    margin-bottom: 0;
}

/* ===== Services Section ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: 6px;
    padding: 24px;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.service-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.service-icon {
    font-size: 1.5rem;
    margin-bottom: 12px;
    display: block;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-dim);
    border-radius: 6px;
}

.service-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--heading);
    margin-bottom: 8px;
}

.service-card p {
    font-size: 0.875rem;
    color: var(--body);
    line-height: 1.6;
}

.service-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 12px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--accent);
    transition: color 0.2s ease;
}

.service-cta:hover {
    color: var(--accent-hover);
}

/* ===== Industry Page Styles ===== */
.industry-page {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px;
}

.industry-page .industry-hero {
    padding: 64px 0 48px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 48px;
}

.industry-page .industry-hero h1 {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--heading);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.industry-page .industry-hero p {
    font-size: 1.125rem;
    color: var(--body);
    line-height: 1.6;
    max-width: 600px;
}

.industry-page .article-content {
    font-size: 1.0625rem;
    line-height: 1.8;
}

.industry-page .article-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--heading);
    margin-top: 48px;
    margin-bottom: 16px;
    text-transform: none;
    letter-spacing: -0.01em;
}

.industry-page .article-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--heading);
    margin-top: 32px;
    margin-bottom: 12px;
}

/* ===== Footer ===== */
footer {
    padding: 48px 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

footer p {
    font-size: 0.875rem;
    color: var(--muted);
}

footer .footer-legacy {
    font-style: italic;
    font-size: 0.8125rem;
    color: var(--muted);
    opacity: 0.6;
    margin-bottom: 12px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    /* services-grid auto-fill handles tablet layout */
}

@media (max-width: 640px) {
    h1 {
        font-size: 2rem;
    }

    .hero {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .timeline-date {
        font-size: 0.75rem;
    }

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

    .books-grid {
        grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    }

    .books-stats {
        justify-content: center;
    }

    .post-title {
        font-size: 1.125rem;
    }

    .bot-table {
        font-size: 0.8125rem;
    }

    .bot-table th, .bot-table td {
        padding: 8px 12px;
    }

    .diagram {
        font-size: 0.625rem;
        padding: 16px;
    }

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

    /* Mobile Navigation (Homepage) */
    .nav-header .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.98);
        border-bottom: 1px solid var(--border);
        padding: 16px 24px;
        gap: 16px;
    }

    .nav-header .nav-links.open {
        display: flex;
    }

    .nav-toggle {
        display: block;
    }

    .nav-header .nav-links a {
        font-size: 0.9375rem;
        padding: 8px 0;
    }

    /* Article responsive */
    .article-content h1 {
        font-size: 1.75rem;
    }

    /* Industry page responsive */
    .industry-page .industry-hero h1 {
        font-size: 1.75rem;
    }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}