/* ============================================
   THE KRISTEN SAM — Components
   Layout patterns, page sections, grids, forms
   ============================================ */


/* === Layout === */

.container {
    max-width: var(--tks-container);
    margin: 0 auto;
    padding: 0 32px;
}

.container-narrow {
    max-width: var(--tks-content);
    margin: 0 auto;
    padding: 0 32px;
}

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


/* === Header / Navigation === */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--tks-nav-height);
    z-index: 1000;
    background: rgba(250, 248, 245, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 var(--tks-border);
}

/* Homepage transparent header (override) */
.header--transparent {
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: none;
}

.header--transparent.scrolled {
    background: rgba(250, 248, 245, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 var(--tks-border);
}

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

.logo {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}
.logo:hover { opacity: 0.85; text-decoration: none; }
.logo img {
    height: 36px;
    width: auto;
}

/* Homepage transparent header: white logo */
.header--transparent .logo img {
    filter: brightness(0) invert(1);
}
.header--transparent.scrolled .logo img {
    filter: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--tks-text-body);
    text-decoration: none;
}
.nav-links a:hover { color: var(--tks-primary); }
.nav-links a.active { color: var(--tks-primary); }

/* Homepage transparent header: light nav text */
.header--transparent .nav-links a {
    color: rgba(250, 248, 245, 0.75);
}
.header--transparent .nav-links a:hover { color: var(--tks-bg); }
.header--transparent.scrolled .nav-links a { color: var(--tks-text-body); }
.header--transparent.scrolled .nav-links a:hover { color: var(--tks-primary); }

.nav-cta {
    display: inline-block;
    padding: 10px 22px;
    background: var(--tks-primary);
    color: #fff !important;
    border-radius: var(--tks-radius);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none !important;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
}
.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--tks-text-primary);
    border-radius: 2px;
}

/* Homepage transparent header: white hamburger */
.header--transparent .menu-toggle span {
    background: var(--tks-bg);
}
.header--transparent.scrolled .menu-toggle span {
    background: var(--tks-text-primary);
}


/* === Buttons === */

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--tks-radius);
    font-family: var(--tks-font-body);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    line-height: 1;
}

.btn-primary { background: var(--tks-primary); color: #fff; }
.btn-secondary { background: transparent; color: var(--tks-primary); border: 1.5px solid var(--tks-primary); }
.btn-dark { background: var(--tks-dark); color: var(--tks-bg); }
.btn-white { background: transparent; color: var(--tks-bg); border: 1.5px solid rgba(250, 248, 245, 0.4); }

.eyebrow {
    font-family: var(--tks-font-body);
    font-size: var(--tks-eyebrow);
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--tks-primary);
    margin-bottom: 12px;
}


/* === Page Header (inner pages) === */

.page-header {
    padding: calc(var(--tks-nav-height) + 64px) 0 56px;
    text-align: center;
}

.page-header h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    letter-spacing: -0.5px;
    margin-bottom: 16px;
}

.page-header .page-subtitle {
    font-family: var(--tks-font-accent);
    font-style: italic;
    font-size: 1.2rem;
    color: var(--tks-text-light);
    margin-bottom: 0;
}

.page-header p {
    color: var(--tks-text-light);
    max-width: 560px;
    margin: 0 auto;
}


/* === Homepage Hero === */

.hero {
    padding: clamp(130px, 16vh, 170px) 0 clamp(70px, 10vh, 100px);
    position: relative;
    overflow: hidden;
    background: var(--tks-dark);
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}

.hero-intro-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 28px;
}

.hero-intro-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    border: 2px solid rgba(32, 178, 170, 0.3);
    flex-shrink: 0;
}

.hero-intro-name {
    font-family: var(--tks-font-body);
    font-size: 0.78rem;
    font-weight: 600;
    color: rgba(250, 248, 245, 0.5);
    letter-spacing: 2.5px;
    text-transform: uppercase;
}

.hero-intro h1 {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    color: var(--tks-bg);
    line-height: 1.2;
    letter-spacing: -0.5px;
    margin-bottom: 20px;
}

.hero-intro h1 strong {
    color: var(--tks-primary-light);
}

.hero-intro-desc {
    font-size: 1rem;
    color: rgba(250, 248, 245, 0.55);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 420px;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Hero preview card */
.hero-preview-card {
    display: block;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--tks-radius-lg);
    overflow: hidden;
    text-decoration: none !important;
}

.hero-preview-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-preview-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--tks-primary);
}

.hero-preview-label span {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(250, 248, 245, 0.45);
}

.hero-preview-image {
    width: 100%;
    display: block;
}

.hero-preview-body {
    padding: 20px;
}

.hero-preview-body h3 {
    font-size: 0.95rem;
    color: var(--tks-bg);
    margin-bottom: 6px;
}

.hero-preview-body p {
    font-size: 0.82rem;
    color: rgba(250, 248, 245, 0.45);
    margin-bottom: 0;
    line-height: 1.5;
}


/* === Section Patterns === */

.section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 48px;
    gap: 20px;
}

.section-header h2 {
    position: relative;
    padding-bottom: 20px;
}

.section-header .view-all {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--tks-primary-deep);
    text-decoration: none;
    white-space: nowrap;
    padding-bottom: 4px;
    border-bottom: 1px solid transparent;
}


/* === Featured Writing Section === */

.section-featured {
    padding: 64px 0 100px;
    background: var(--tks-bg);
    position: relative;
}

.section-featured .container {
    position: relative;
    z-index: 1;
}

/* Featured lead article */
.featured-lead {
    margin-bottom: 56px;
}

.featured-lead a {
    text-decoration: none;
    display: block;
}

.featured-lead-image {
    width: 100%;
    aspect-ratio: 2 / 1;
    object-fit: cover;
    border-radius: var(--tks-radius-lg);
    margin-bottom: 36px;
}

.featured-lead-body {
    max-width: 780px;
}

.featured-lead .eyebrow {
    font-size: 0.68rem;
    margin-bottom: 14px;
}

.featured-lead h3 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    line-height: 1.15;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
    color: var(--tks-text-primary);
}

.featured-lead .post-excerpt {
    font-size: 1.08rem;
    color: var(--tks-text-light);
    line-height: 1.7;
    margin-bottom: 12px;
    max-width: 640px;
}

.featured-lead .post-meta,
.post-list-body .post-meta {
    font-size: 0.82rem;
    color: var(--tks-text-faint);
    margin-bottom: 0;
}

/* Secondary post list */
.post-list {
    display: flex;
    flex-direction: column;
}

.post-list-item {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    padding: 28px 0;
    border-top: 1px solid var(--tks-border-strong);
    text-decoration: none;
}

.post-list-item:last-child {
    border-bottom: 1px solid var(--tks-border-strong);
}

.post-list-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
}

.post-list-icon svg {
    width: 22px;
    height: 22px;
}

.post-list-icon[data-category="design-systems"] {
    background: rgba(32, 178, 170, 0.1);
    color: var(--tks-primary);
}

.post-list-icon[data-category="ux-leadership"] {
    background: rgba(237, 106, 94, 0.1);
    color: var(--tks-accent);
}

.post-list-icon[data-category="ai-practice"] {
    background: rgba(30, 45, 58, 0.1);
    color: var(--tks-dark);
}

.post-list-body .eyebrow {
    font-size: 0.65rem;
    margin-bottom: 6px;
}

.post-list-body h3 {
    font-size: 1.15rem;
    color: var(--tks-text-primary);
    margin-bottom: 4px;
    line-height: 1.35;
}

.post-list-body .post-meta {
    font-size: 0.78rem;
}


/* === Topics Grid === */

.section-topics {
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.section-topics .section-intro {
    max-width: 600px;
    margin-bottom: 56px;
}

.section-topics .section-intro h2 {
    position: relative;
    padding-bottom: 24px;
    margin-bottom: 16px;
}

.section-topics .section-intro p {
    color: var(--tks-text-light);
    font-size: 1.05rem;
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.topic-card {
    background: transparent;
    border: none;
    border-top: 3px solid var(--tks-primary);
    padding: 28px 0 0;
    text-decoration: none;
    display: block;
}

.topic-card[data-topic="strategy"] { border-top-color: var(--tks-primary); }
.topic-card[data-topic="design-systems"] { border-top-color: var(--tks-primary-deep); }
.topic-card[data-topic="leadership"] { border-top-color: var(--tks-accent); }
.topic-card[data-topic="ai"] { border-top-color: var(--tks-warm); }
.topic-card[data-topic="process"] { border-top-color: var(--tks-primary-light); }
.topic-card[data-topic="career"] { border-top-color: var(--tks-accent-light); }

.topic-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--tks-text-primary);
}

.topic-card .topic-count {
    font-family: var(--tks-font-accent);
    font-size: 0.88rem;
    font-style: italic;
    color: var(--tks-text-faint);
    margin-bottom: 8px;
}

.topic-card p {
    font-size: 0.88rem;
    color: var(--tks-text-light);
    line-height: 1.6;
    margin-bottom: 0;
}


/* === About Teaser === */

.section-about {
    padding: 120px 0;
    background: var(--tks-bg-alt);
    position: relative;
    overflow: hidden;
}

.about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-content .eyebrow { margin-bottom: 16px; }

.about-content h2 {
    margin-bottom: 24px;
    padding-bottom: 24px;
    position: relative;
}

.about-content p {
    color: var(--tks-text-body);
    font-size: 1.05rem;
    line-height: 1.75;
}

.about-content .btn {
    margin-top: 8px;
}

.about-image-wrapper {
    position: relative;
}

.about-image-wrapper img {
    border-radius: var(--tks-radius-lg);
    width: 100%;
}


/* === Newsletter Section === */

.section-newsletter {
    padding: 120px 0;
    background: var(--tks-dark);
    position: relative;
    overflow: hidden;
}

.newsletter-inner {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.newsletter-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    margin: 0 auto 24px;
    border: 2px solid rgba(32, 178, 170, 0.3);
}

.newsletter-inner .eyebrow {
    color: var(--tks-primary-light);
    margin-bottom: 16px;
}

.newsletter-inner h2 {
    color: var(--tks-bg);
    margin-bottom: 16px;
    font-size: clamp(1.8rem, 4vw, 2.6rem);
}

.newsletter-inner p {
    color: rgba(250, 248, 245, 0.65);
    font-size: 1.05rem;
    margin-bottom: 32px;
}

.newsletter-form {
    display: flex;
    gap: 12px;
    max-width: 460px;
    margin: 0 auto 16px;
}

.newsletter-form input {
    flex: 1;
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.08);
    border: 1.5px solid rgba(250, 248, 245, 0.15);
    border-radius: var(--tks-radius);
    color: var(--tks-bg);
    font-family: var(--tks-font-body);
    font-size: 0.95rem;
    outline: none;
}

.newsletter-form input::placeholder {
    color: rgba(250, 248, 245, 0.35);
}

.newsletter-fine-print {
    font-size: 0.8rem;
    color: rgba(250, 248, 245, 0.35);
    margin-bottom: 0;
}


/* === Footer === */

.footer {
    padding: 64px 0 40px;
    border-top: 1px solid var(--tks-border);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 40px;
    gap: 40px;
    flex-wrap: wrap;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo {
    display: inline-block;
    margin-bottom: 12px;
}

.footer-brand .logo img {
    filter: none;
}

.footer-brand p {
    font-size: 0.88rem;
    color: var(--tks-text-light);
    line-height: 1.6;
    margin-bottom: 0;
}

.footer-links {
    display: flex;
    gap: 48px;
}

.footer-col h4 {
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--tks-text-primary);
    margin-bottom: 16px;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 10px;
}

.footer-col a {
    font-size: 0.9rem;
    color: var(--tks-text-light);
    text-decoration: none;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--tks-border);
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--tks-text-faint);
    margin-bottom: 0;
}

.footer-tagline {
    font-family: var(--tks-font-accent);
    font-style: italic;
    font-size: 0.95rem !important;
    color: var(--tks-text-light) !important;
}


/* === About Page === */

.about-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    padding-bottom: 80px;
}

.about-hero-image img {
    border-radius: var(--tks-radius-lg);
    width: 100%;
}


/* === Contact Page === */

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    padding: 48px 0 120px;
}

.contact-info h2 {
    font-size: 1.3rem;
    margin-bottom: 20px;
}

.contact-info p {
    margin-bottom: 1.5em;
    line-height: 1.7;
}

.contact-channels {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
}

.contact-channel {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.contact-channel-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--tks-text-faint);
    min-width: 80px;
    padding-top: 2px;
}

.contact-channel a, .contact-channel span {
    font-size: 0.95rem;
}

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.82rem; font-weight: 600; color: var(--tks-text-primary); }
.form-group input, .form-group textarea, .form-group select {
    padding: 14px 18px;
    border: 1.5px solid var(--tks-border-strong);
    border-radius: var(--tks-radius);
    font-family: var(--tks-font-body);
    font-size: 0.95rem;
    color: var(--tks-text-body);
    background: var(--tks-bg-card);
    outline: none;
}
.form-group textarea { min-height: 160px; resize: vertical; }
.form-note { font-size: 0.82rem; color: var(--tks-text-faint); margin-top: -8px; }


/* === Work Page === */

.projects-section { padding: 48px 0 120px; }

.project-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
    padding: 64px 0;
    border-bottom: 1px solid var(--tks-border);
}


/* === Blog Index === */

.blog-filter-bar {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 48px;
    padding: 0 4px;
}

.filter-pill {
    display: inline-block;
    padding: 8px 20px;
    border-radius: var(--tks-radius-pill);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--tks-text-light);
    background: transparent;
    border: 1.5px solid var(--tks-border-strong);
    cursor: pointer;
    text-decoration: none;
    font-family: var(--tks-font-body);
}

.filter-pill.active,
.filter-pill:hover {
    background: var(--tks-primary);
    color: #fff;
    border-color: var(--tks-primary);
}

/* Featured post (blog index) */
.blog-featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 64px;
    padding-bottom: 64px;
    border-bottom: 1px solid var(--tks-border);
}

.blog-featured-image {
    border-radius: var(--tks-radius-lg);
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.blog-featured-content .eyebrow {
    font-size: 0.68rem;
    margin-bottom: 14px;
}

.blog-featured-content h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    line-height: 1.2;
    letter-spacing: -0.3px;
    margin-bottom: 16px;
}

.blog-featured-content .post-excerpt {
    color: var(--tks-text-light);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 12px;
}

.blog-featured-content .post-meta {
    font-size: 0.82rem;
    color: var(--tks-text-faint);
    margin-bottom: 0;
}

/* Post grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.blog-card {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    border-radius: var(--tks-radius-lg);
    overflow: hidden;
    background: var(--tks-bg-card);
    border: 1px solid var(--tks-border);
}

.blog-card-image {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
}

.blog-card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-card-body .eyebrow {
    font-size: 0.65rem;
    margin-bottom: 10px;
}

.blog-card-body h3 {
    font-size: 1.08rem;
    line-height: 1.35;
    margin-bottom: 10px;
    color: var(--tks-text-primary);
}

.blog-card-body .post-meta {
    font-size: 0.78rem;
    color: var(--tks-text-faint);
    margin-bottom: 0;
    margin-top: auto;
}

/* Newsletter CTA (blog index variant) */
.blog-newsletter {
    margin-top: 80px;
    padding: 64px;
    background: var(--tks-dark);
    border-radius: var(--tks-radius-lg);
    text-align: center;
}

.blog-newsletter .eyebrow {
    color: var(--tks-primary-light);
}

.blog-newsletter h2 {
    color: var(--tks-bg);
    margin-bottom: 12px;
}

.blog-newsletter p {
    color: rgba(250, 248, 245, 0.65);
    max-width: 480px;
    margin: 0 auto 28px;
}


/* === Blog Post === */

.article-header {
    padding: calc(var(--tks-nav-height) + 48px) 0 40px;
    text-align: center;
}

.article-header .eyebrow { margin-bottom: 16px; }

.article-header h1 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    max-width: 800px;
    margin: 0 auto 16px;
    line-height: 1.15;
}

.article-meta {
    font-size: 0.88rem;
    color: var(--tks-text-faint);
}

.article-hero-image {
    max-width: 900px;
    margin: 0 auto 56px;
    border-radius: var(--tks-radius-lg);
}

.article-body {
    max-width: var(--tks-content);
    margin: 0 auto;
    padding: 0 32px;
}

.article-body p {
    line-height: 1.8;
}

.article-body h2 {
    margin-top: 2.5em;
    margin-bottom: 0.75em;
}

.article-body h3 {
    margin-top: 2em;
    margin-bottom: 0.5em;
}

/* Author card */
.author-card {
    display: flex;
    gap: 20px;
    align-items: center;
    padding: 32px;
    background: var(--tks-bg-alt);
    border-radius: var(--tks-radius-lg);
    margin-top: 64px;
}

.author-card img {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
}

.author-card-body h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.author-card-body p {
    font-size: 0.88rem;
    color: var(--tks-text-light);
    margin-bottom: 0;
    line-height: 1.6;
}

/* Related posts */
.related-posts {
    padding: 80px 0;
}

.related-posts h2 {
    font-size: 1.3rem;
    margin-bottom: 32px;
}

.related-card {
    display: block;
    text-decoration: none;
    padding: 24px;
    border: 1px solid var(--tks-border);
    border-radius: var(--tks-radius-lg);
}

.related-card .eyebrow {
    font-size: 0.65rem;
    margin-bottom: 8px;
}

.related-card h3 {
    font-size: 1rem;
    color: var(--tks-text-primary);
    margin-bottom: 8px;
    line-height: 1.35;
}

.related-card .post-meta {
    font-size: 0.78rem;
    color: var(--tks-text-faint);
    margin-bottom: 0;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}


/* === Responsive === */

@media (max-width: 1024px) {
    .topics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

@media (max-width: 768px) {
    :root {
        --tks-nav-height: 64px;
    }

    .container { padding: 0 20px; }
    .container-narrow { padding: 0 20px; }

    .nav-links { display: none; }
    .menu-toggle { display: flex; }

    /* Mobile menu drawer */
    .nav-links.mobile-open {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh;
        width: 280px;
        max-width: 85vw;
        background: var(--tks-bg);
        padding: 100px 32px 40px;
        box-shadow: -8px 0 32px rgba(0, 0, 0, 0.12);
        z-index: 999;
        gap: 8px;
    }
    .nav-links.mobile-open a {
        font-size: 1.1rem;
        padding: 12px 0;
        display: block;
        color: var(--tks-text-body);
    }
    .nav-links.mobile-open .nav-cta {
        margin-top: 16px;
        text-align: center;
        padding: 14px 24px;
    }

    .mobile-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.4);
        z-index: 998;
    }
    .mobile-overlay.active { display: block; }

    /* Hero */
    .hero {
        padding: 100px 0 56px;
    }
    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    .hero-intro-header { justify-content: center; }
    .hero-intro-desc { max-width: 100%; margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }

    /* Sections */
    .section-featured,
    .section-topics,
    .section-about,
    .section-newsletter {
        padding: 72px 0;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .post-list-item {
        gap: 16px;
        padding: 20px 0;
    }
    .post-list-icon {
        width: 38px;
        height: 38px;
        min-width: 38px;
        border-radius: 8px;
    }
    .post-list-icon svg {
        width: 18px;
        height: 18px;
    }

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

    .about-layout { grid-template-columns: 1fr; gap: 32px; }
    .about-image-wrapper { order: -1; }
    .about-hero { grid-template-columns: 1fr; gap: 32px; }

    .newsletter-form { flex-direction: column; }

    .blog-featured { grid-template-columns: 1fr; gap: 32px; }
    .blog-grid { grid-template-columns: 1fr; }
    .blog-newsletter { padding: 40px 24px; }
    .related-grid { grid-template-columns: 1fr; }

    .contact-layout { grid-template-columns: 1fr; gap: 48px; }
    .project-card { grid-template-columns: 1fr; gap: 32px; }

    .footer-top { flex-direction: column; }
    .footer-links { gap: 32px; }
    .footer-bottom { flex-direction: column; text-align: center; }

    .btn { padding: 12px 24px; }
}

@media (max-width: 480px) {
    .blog-filter-bar {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 8px;
    }
    .filter-pill {
        white-space: nowrap;
        flex-shrink: 0;
    }
}