/* ========================================
   CSS Variables & Reset — Elegant Editorial
   ======================================== */
:root {
    --color-bg: #ffffff;
    --color-text: #111111;
    --color-text-secondary: #333333;
    --color-text-muted: #777777;
    --color-accent: #b8860b;
    --color-accent-subtle: rgba(184, 134, 11, 0.08);
    --color-border: #e5e5e5;
    --color-border-hover: #ccc;
    --color-surface: #fafaf8;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Instrument Serif', Georgia, 'Times New Roman', serif;
    --font-mono: 'JetBrains Mono', monospace;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 18px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 10000;
    padding: 0.75rem 1.25rem;
    background: var(--color-text);
    color: #fff;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 0 0 8px 0;
}
.skip-link:focus {
    left: 0;
}

/* ========================================
   Layout
   ======================================== */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
    position: relative;
}

/* Elegant section divider — centered thin rule with diamond accent */
.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: min(60%, 500px);
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border) 20%, var(--color-border) 80%, transparent);
}

.section::after {
    content: '';
    position: absolute;
    top: -3px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 6px;
    height: 6px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
}

.section:first-of-type::before,
.section:first-of-type::after {
    display: none;
}

.section-alt { background: var(--color-bg); }

.section-header { margin-bottom: 3.5rem; }

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--color-accent);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 0.6rem;
    font-weight: 500;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.01em;
    color: var(--color-text);
    font-style: italic;
}

.section-description {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    margin-top: 0.75rem;
    max-width: 560px;
    line-height: 1.7;
}

/* ========================================
   Navigation
   ======================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.2rem 0;
    transition: all 0.4s var(--ease-out);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.nav.scrolled {
    padding: 0.65rem 0;
    box-shadow: 0 1px 0 var(--color-border);
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: 1.1rem;
    letter-spacing: 0;
    color: var(--color-text);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--color-text);
    border-radius: 1px;
    transition: all 0.3s var(--ease-out);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.25rem;
    align-items: center;
}

.nav-links a {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--color-text-muted);
    transition: color 0.3s;
    letter-spacing: 0.02em;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width 0.3s var(--ease-out);
}

.nav-links a:hover { color: var(--color-text); }
.nav-links a:hover::after { width: 100%; }

/* Nav CTA button */
.nav-cta {
    background: var(--color-text);
    color: white !important;
    padding: 0.5rem 1.2rem;
    border-radius: 100px;
    font-weight: 500 !important;
    transition: all 0.3s var(--ease-out) !important;
}

.nav-cta::after { display: none !important; }

.nav-cta:hover {
    background: #333;
    color: white !important;
    transform: translateY(-1px);
}

/* ========================================
   Hero
   ======================================== */
.hero {
    padding: 10rem 2rem 5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.hero-layout {
    display: flex;
    align-items: center;
    gap: 5rem;
}

.hero-text { flex: 1; }

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 6vw, 4.5rem);
    font-weight: 400;
    line-height: 1.08;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: 0.75rem;
}

.hero-proof {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--color-accent);
    letter-spacing: 0.02em;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    max-width: 480px;
    line-height: 1.75;
    margin-bottom: 1.75rem;
    font-weight: 400;
}

/* Who I work with */
.hero-clients {
    margin-bottom: 1.75rem;
    max-width: 480px;
}

.hero-clients-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.hero-clients ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.hero-clients li {
    font-size: 0.82rem;
    color: var(--color-text-secondary);
    padding: 0.3rem 0.85rem;
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-weight: 400;
}

.currently-exploring {
    margin-top: 0;
    padding: 1.25rem 1.5rem;
    border-left: 2px solid var(--color-accent);
    background: var(--color-accent-subtle);
    border-radius: 0 8px 8px 0;
}

.exploring-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-weight: 500;
    margin-bottom: 0.4rem;
}

.exploring-text {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.65;
}

.hero-exploring {
    margin-bottom: 1.75rem;
    max-width: 480px;
}

.hero-exploring .exploring-text {
    font-size: 0.92rem;
}

.hero-roles {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2.25rem;
    font-size: 0.82rem;
    color: var(--color-text-muted);
    font-weight: 400;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-family: var(--font-mono);
}

.hero-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--color-accent);
}

.hero-actions {
    display: flex;
    gap: 0.85rem;
    flex-wrap: wrap;
}

.hero-photo {
    flex-shrink: 0;
    position: relative;
}

/* Creative offset frame around photo */
.hero-photo::before {
    content: '';
    position: absolute;
    top: 12px;
    left: 12px;
    right: -12px;
    bottom: -12px;
    border: 1px solid var(--color-accent);
    border-radius: 14px;
    opacity: 0.3;
    transition: all 0.5s var(--ease-out);
}

.hero-photo:hover::before {
    top: 8px;
    left: 8px;
    right: -8px;
    bottom: -8px;
    opacity: 0.5;
}

.hero-photo img {
    width: 310px;
    height: 380px;
    border-radius: 12px;
    object-fit: cover;
    object-position: center top;
    filter: grayscale(10%);
    transition: all 0.5s var(--ease-out);
    position: relative;
    z-index: 1;
}

.hero-photo img:hover {
    filter: grayscale(0%);
    transform: translateY(-4px);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.75rem;
    font-size: 0.88rem;
    font-weight: 500;
    border-radius: 100px;
    transition: all 0.3s var(--ease-out);
    cursor: pointer;
    border: none;
    font-family: var(--font-sans);
    letter-spacing: 0.02em;
}

.btn-primary {
    background: var(--color-text);
    color: white;
}

.btn-primary:hover {
    background: #333;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

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

.btn-outline:hover {
    border-color: var(--color-text);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    padding: 0.65rem 1.3rem;
    font-size: 0.85rem;
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
}

/* ========================================
   Point of View Cards
   ======================================== */
.pov-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.pov-card {
    padding: 2.5rem 2rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    transition: all 0.35s var(--ease-out);
    position: relative;
    overflow: hidden;
}

.pov-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), transparent);
    opacity: 0;
    transition: opacity 0.35s var(--ease-out);
}

.pov-card:hover {
    border-color: var(--color-border-hover);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.04);
    transform: translateY(-3px);
}

.pov-card:hover::before {
    opacity: 1;
}

.pov-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    color: var(--color-border);
    font-weight: 400;
    margin-bottom: 0.75rem;
    line-height: 1;
    font-style: italic;
    transition: color 0.35s var(--ease-out);
}

.pov-card:hover .pov-number {
    color: var(--color-accent);
}

.pov-card h3 {
    font-size: 1.12rem;
    font-weight: 600;
    line-height: 1.5;
    letter-spacing: -0.01em;
    color: var(--color-text);
    margin-bottom: 0.65rem;
}

.pov-card p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.pov-context {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--color-text-muted);
    margin-top: 0.85rem;
    letter-spacing: 0.03em;
    padding-top: 0.65rem;
    border-top: 1px solid var(--color-border);
}

/* ========================================
   Books
   ======================================== */
.books-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.book-card {
    display: flex;
    gap: 1.75rem;
    transition: all 0.3s var(--ease-out);
}

.book-cover {
    flex-shrink: 0;
    width: 150px;
}

.book-cover img {
    width: 100%;
    height: auto;
    border-radius: 6px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.4s var(--ease-out);
}

.book-card:hover .book-cover img {
    transform: translateY(-4px) rotate(-1deg);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.book-details { flex: 1; min-width: 0; }

.book-meta {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.book-publisher, .book-year {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    letter-spacing: 0.04em;
}

.book-publisher { color: var(--color-accent); font-weight: 500; }

.book-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 400;
    line-height: 1.35;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.book-description {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.1rem;
}

.book-bullets {
    list-style: none;
    margin-bottom: 1.1rem;
}

.book-bullets li {
    font-size: 0.98rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    padding: 0.2rem 0;
    padding-left: 1rem;
    position: relative;
}

.book-bullets li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.7rem;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--color-accent);
}

.book-bullets li strong {
    color: var(--color-text);
    font-weight: 600;
}

.book-tags { display: none; }

/* ========================================
   Research Papers
   ======================================== */
.research-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.paper-card {
    display: flex;
    gap: 1.75rem;
    padding: 2rem 0;
    border-bottom: 1px solid var(--color-border);
    transition: all 0.3s var(--ease-out);
}

.paper-card:first-child {
    padding-top: 0;
}

.paper-card:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.paper-number {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 400;
    color: var(--color-border);
    line-height: 1.4;
    min-width: 40px;
    font-style: italic;
    transition: color 0.3s var(--ease-out);
}

.paper-card:hover .paper-number { color: var(--color-accent); }
.paper-content { flex: 1; }

.paper-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    margin-bottom: 0.5rem;
    align-items: center;
}

.paper-category {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--color-accent);
    background: var(--color-accent-subtle);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-weight: 500;
    letter-spacing: 0.05em;
}

.paper-date, .paper-id {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--color-text-muted);
}

.paper-title {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 400;
    line-height: 1.4;
    margin-bottom: 0.5rem;
}

.paper-abstract {
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 0.8rem;
}

.paper-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: all 0.3s var(--ease-out);
}

.paper-link:hover { color: var(--color-accent); gap: 0.6rem; }

/* ========================================
   Articles
   ======================================== */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.article-card {
    padding: 1.75rem;
    border: 1px solid var(--color-border);
    border-radius: 14px;
    background: var(--color-bg);
    transition: all 0.3s var(--ease-out);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.article-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s var(--ease-out);
}

.article-card:hover {
    border-color: var(--color-border-hover);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transform: translateY(-2px);
}

.article-card:hover::after {
    transform: scaleX(1);
}

/* Featured / Start here article */
.article-featured {
    border-color: var(--color-accent);
    border-width: 1px;
}

.article-badge {
    display: inline-block;
    background: var(--color-accent);
    color: white;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-right: 0.5rem;
    font-family: var(--font-sans);
}

.article-date {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--color-text-muted);
    margin-bottom: 0.55rem;
    letter-spacing: 0.05em;
}

.article-card h3 {
    font-size: 1.08rem;
    font-weight: 600;
    line-height: 1.45;
    margin-bottom: 0.45rem;
    letter-spacing: -0.01em;
}

.article-card p {
    color: var(--color-text-secondary);
    font-size: 0.98rem;
    line-height: 1.65;
    flex: 1;
}

.article-read {
    display: block;
    margin-top: 0.9rem;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: all 0.3s var(--ease-out);
}

.article-card:hover .article-read { color: var(--color-accent); }

.articles-section-label {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    font-weight: 400;
    font-style: italic;
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
    margin-top: 2.5rem;
}

.articles-section-label:first-of-type { margin-top: 0; }

.articles-section-label span {
    color: var(--color-text-muted);
    font-style: normal;
    font-family: var(--font-sans);
    font-size: 0.85rem;
}

.articles-cta {
    text-align: center;
    margin-top: 2.5rem;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.85rem;
}

/* ========================================
   Advisory
   ======================================== */
.speaking-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.speaking-card {
    padding: 2rem 1.75rem;
    border: none;
    border-radius: 16px;
    background: var(--color-surface);
    transition: all 0.35s var(--ease-out);
    position: relative;
}

.speaking-card::before {
    content: '';
    position: absolute;
    top: 1.5rem;
    left: 1.75rem;
    width: 24px;
    height: 2px;
    background: var(--color-accent);
}

.speaking-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
}

.speaking-card h3 {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 400;
    margin-bottom: 0.65rem;
    margin-top: 1.25rem;
    letter-spacing: -0.01em;
}

.speaking-card p {
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 0.5rem;
}

.advisory-outcomes {
    list-style: none;
    margin-bottom: 0.9rem;
}

.advisory-outcomes li {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    padding: 0.15rem 0 0.15rem 1rem;
    position: relative;
}

.advisory-outcomes li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--color-accent);
}

.advisory-format {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--color-text-muted);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* Best fit section */
.best-fit {
    margin-top: 3rem;
    padding: 2rem 2.25rem;
    background: var(--color-accent-subtle);
    border-left: 2px solid var(--color-accent);
    border-radius: 0 12px 12px 0;
}

.best-fit h3 {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 400;
    font-style: italic;
    color: var(--color-text);
    margin-bottom: 0.75rem;
}

.best-fit ul {
    list-style: none;
}

.best-fit li {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    padding: 0.2rem 0 0.2rem 1.25rem;
    position: relative;
}

.best-fit li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.7rem;
    width: 6px;
    height: 6px;
    border: 1.5px solid var(--color-accent);
    border-radius: 50%;
}

/* ========================================
   Contact
   ======================================== */
.contact-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    max-width: 800px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 1rem 1.5rem;
    border: 1px solid var(--color-border);
    border-radius: 100px;
    background: var(--color-bg);
    transition: all 0.3s var(--ease-out);
}

.contact-card:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-subtle);
    transform: translateY(-2px);
}

.contact-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: transparent;
    color: var(--color-text-muted);
    flex-shrink: 0;
    transition: color 0.3s;
}

.contact-card:hover .contact-icon { color: var(--color-accent); }

.contact-info { flex: 1; }

.contact-platform {
    display: block;
    font-weight: 500;
    font-size: 0.92rem;
}

.contact-handle {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.contact-arrow {
    color: var(--color-text-muted);
    transition: all 0.3s var(--ease-out);
    opacity: 0;
}

.contact-card:hover .contact-arrow {
    color: var(--color-accent);
    opacity: 1;
    transform: translate(3px, -3px);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    border-top: none;
    padding: 2.5rem 0;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-name {
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: 0.92rem;
    color: var(--color-text-muted);
}

.footer-copy {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ========================================
   Animations
   ======================================== */
.js-animate .fade-up {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.js-animate .fade-up.visible,
.fade-up {
    opacity: 1;
    transform: translateY(0);
}

.pov-card, .book-card, .speaking-card,
.paper-card, .article-card, .contact-card,
.section-header {
    opacity: 1 !important;
    transform: none !important;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    .hero-layout { gap: 3rem; }
    .hero-photo img { width: 260px; height: 320px; }
    .pov-grid { grid-template-columns: 1fr 1fr; }
    .books-grid { grid-template-columns: 1fr; }
    .speaking-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .section { padding: 4rem 0; }

    .section::before {
        width: calc(100% - 4rem);
    }

    .nav-toggle { display: flex; }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 260px;
        height: 100vh;
        background: var(--color-bg);
        flex-direction: column;
        padding: 5rem 2rem 2rem;
        gap: 1.25rem;
        transition: right 0.4s var(--ease-out);
        border-left: 1px solid var(--color-border);
    }

    .nav-cta {
        width: fit-content;
    }

    .nav-links.open { right: 0; }

    .hero { padding: 7rem 2rem 3rem; }

    .hero-layout {
        flex-direction: column-reverse;
        text-align: center;
        gap: 2rem;
    }

    .hero-photo::before { display: none; }

    .hero-photo img {
        width: 200px;
        height: 250px;
        margin: 0 auto;
    }

    .hero-clients ul { justify-content: center; }
    .hero-exploring { margin-left: auto; margin-right: auto; }
    .hero-roles { justify-content: center; }
    .hero-actions { justify-content: center; }
    .hero-subtitle { margin-left: auto; margin-right: auto; }

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

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

    .book-cover { width: 150px; }
    .book-bullets li { text-align: left; }
    .paper-card { flex-direction: column; gap: 0.5rem; }
    .articles-grid { grid-template-columns: 1fr; }
    .contact-links { flex-direction: column; }

    .contact-card { border-radius: 12px; }

    .footer-bottom {
        flex-direction: column;
        gap: 0.35rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-roles { flex-wrap: wrap; justify-content: center; font-size: 0.72rem; }

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

    .btn {
        width: 100%;
        justify-content: center;
    }
}