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

html {
    font-size: 17px;
    scroll-behavior: smooth;
    /* offset for sticky nav when scrolling to anchors */
    scroll-padding-top: 70px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: #2a241d;
    background-color: #fbf6ee;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    font-size: 1rem;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3 {
    font-family: 'Source Serif 4', 'Source Serif Pro', Georgia, 'Times New Roman', serif;
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    color: #1f1a14;
    margin-bottom: 0.25rem;
    letter-spacing: -0.01em;
}

h2 {
    font-size: 1.55rem;
    font-weight: 700;
    color: #1f1a14;
    margin-top: 3rem;
    margin-bottom: 1rem;
    padding-bottom: 0.4rem;
    border-bottom: 2px solid #e6dccb;
    letter-spacing: -0.005em;
}

h3 {
    font-size: 1.18rem;
    font-weight: 600;
    color: #a0563b;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: #a0563b;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s, color 0.2s;
}

a:hover {
    border-bottom-color: #a0563b;
}

/* ===== LAYOUT ===== */
.container {
    max-width: 920px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ===== NAVIGATION ===== */
nav {
    background-color: #fbf6ee;
    border-bottom: 1px solid #e6dccb;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0;
    padding-bottom: 0;
}

.nav-name {
    font-family: 'Source Serif 4', Georgia, serif;
    font-weight: 700;
    font-size: 1.15rem;
    color: #1f1a14;
    text-decoration: none;
    border-bottom: none;
    padding: 1rem 0;
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    pointer-events: none;
}

body.has-scrolled .nav-name {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.nav-name:hover {
    color: #a0563b;
    border-bottom: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 0;
}

.nav-links a {
    display: block;
    padding: 1rem 1.1rem;
    font-size: 0.92rem;
    font-weight: 500;
    color: #5a4a38;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: color 0.2s, border-color 0.2s;
}

.nav-links a:hover {
    color: #1f1a14;
    border-bottom-color: #a0563b;
}

.nav-links a.active {
    color: #1f1a14;
    border-bottom-color: #a0563b;
}

/* Mobile hamburger */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: #2a241d;
    margin: 5px 0;
    transition: 0.3s;
}

/* ===== HERO ===== */
.hero {
    background: linear-gradient(135deg, #f4ead6 0%, #efe2c8 50%, #ead8b8 100%);
    padding: 3.5rem 0 3rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid #e6dccb;
}

.about-header {
    display: grid;
    grid-template-columns: minmax(280px, 360px) 1fr;
    gap: 2.75rem;
    align-items: stretch;
    margin: 0;
}

.headshot-frame {
    width: 100%;
    max-width: 360px;
    height: 100%;
    min-height: 480px;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 8px 28px rgba(60, 40, 20, 0.18);
}

.headshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 22%;
    display: block;
}

.about-intro {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.about-intro h1 {
    margin-bottom: 0.3rem;
    font-size: 2.6rem;
    line-height: 1.05;
    white-space: nowrap;
}

.postnominals {
    font-family: 'Source Serif 4', Georgia, serif;
    font-size: 1.05rem;
    font-weight: 500;
    color: #6a5238;
    letter-spacing: 0.03em;
    margin-bottom: 1.1rem;
    font-style: italic;
}

.summary-statement {
    font-size: 1.15rem;
    line-height: 1.55;
    font-weight: 500;
    color: #2a241d;
    margin-bottom: 1.5rem;
    max-width: 36em;
}

.hero-positions {
    margin-bottom: 1rem;
}

.hero-positions .label {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #8a6f4a;
    margin-bottom: 0.4rem;
}

.hero-positions ul {
    list-style: none;
    padding: 0;
    margin: 0 0 0.75rem 0;
}

.hero-positions li {
    font-size: 0.97rem;
    line-height: 1.5;
    color: #2a241d;
    padding: 0.12rem 0;
}

.hero-positions .role {
    font-weight: 600;
}

.hero-positions .inst {
    color: #6a5238;
}

.hero-degrees {
    font-size: 0.93rem;
    color: #2a241d;
    line-height: 1.55;
}

.hero-degrees .label {
    font-size: 0.74rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #8a6f4a;
    margin-bottom: 0.4rem;
    display: block;
}

.hero-degrees ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.hero-degrees li {
    padding: 0.1rem 0;
    color: #2a241d;
}

.hero-degrees li .inst {
    color: #6a5238;
}

/* ===== ABOUT BIO ===== */
.about-bio {
    margin: 1rem 0 0 0;
}

/* ===== SPEAKING / ENGAGEMENT ===== */
.availability {
    font-size: 1.1rem;
    line-height: 1.6;
    background-color: #f4ead6;
    border-left: 3px solid #a0563b;
    padding: 1rem 1.25rem;
    margin: 1.5rem 0 2rem;
    border-radius: 0 4px 4px 0;
}

.topic-group {
    margin-bottom: 1.5rem;
}

.topic-group h3 {
    margin-top: 1.25rem;
    margin-bottom: 0.5rem;
}

.topic-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.topic-list li {
    padding: 0.35rem 0 0.35rem 1.1rem;
    position: relative;
    font-size: 0.97rem;
    line-height: 1.55;
}

.topic-list li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: #a0563b;
    font-size: 0.85em;
    top: 0.5rem;
}

/* Talks (video grid) */
.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.media-card {
    background: #fff8eb;
    border: 1px solid #e6dccb;
    border-radius: 6px;
    overflow: hidden;
    transition: box-shadow 0.2s, transform 0.15s;
}

.media-card:hover {
    box-shadow: 0 6px 18px rgba(60, 40, 20, 0.12);
    transform: translateY(-1px);
}

.media-card img {
    width: 100%;
    display: block;
}

.media-card .card-body {
    padding: 0.85rem 1rem 1rem;
}

.media-card .card-title {
    font-weight: 600;
    font-size: 0.92rem;
    color: #1f1a14;
    line-height: 1.4;
    margin-bottom: 0.3rem;
}

.media-card .card-meta {
    font-size: 0.82rem;
    color: #8a6f4a;
}

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

.writing-list li {
    padding: 0.55rem 0;
    border-bottom: 1px solid #ede2cc;
    font-size: 0.95rem;
}

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

/* ===== RESEARCH ===== */
.books {
    display: flex;
    gap: 2.5rem;
    margin: 1.5rem 0 2.5rem;
    flex-wrap: wrap;
}

.book {
    display: flex;
    gap: 1.25rem;
    flex: 1 1 360px;
}

.book img {
    height: 200px;
    width: auto;
    border-radius: 3px;
    box-shadow: 0 2px 8px rgba(60, 40, 20, 0.15);
    transition: transform 0.2s;
}

.book img:hover {
    transform: scale(1.03);
}

.book-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.book-info .book-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: #1f1a14;
    line-height: 1.4;
    margin-bottom: 0.3rem;
}

.book-info .book-meta {
    font-size: 0.85rem;
    color: #8a6f4a;
}

/* Filter buttons */
.pub-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1.25rem 0 1.5rem;
}

.pub-filter {
    background: transparent;
    border: 1px solid #d6c39e;
    color: #5a4a38;
    padding: 0.45rem 0.95rem;
    border-radius: 999px;
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}

.pub-filter:hover {
    border-color: #a0563b;
    color: #1f1a14;
}

.pub-filter.is-active {
    background-color: #a0563b;
    border-color: #a0563b;
    color: #fff8eb;
}

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

.pub-list li {
    padding: 0.7rem 0;
    border-bottom: 1px solid #ede2cc;
    font-size: 0.95rem;
    line-height: 1.5;
}

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

.pub-list li.is-hidden {
    display: none;
}

.pub-title {
    color: #1f1a14;
    font-weight: 500;
}

.pub-meta {
    color: #8a6f4a;
    font-size: 0.88rem;
}

.pub-cat {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #a0563b;
    background: #f4ead6;
    padding: 0.1rem 0.5rem;
    border-radius: 3px;
    margin-left: 0.5rem;
    vertical-align: middle;
}

/* ===== CV ===== */
.cv-actions {
    margin: 1rem 0 1.25rem;
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
}

.cv-download {
    display: inline-block;
    padding: 0.55rem 1.4rem;
    background-color: #a0563b;
    color: #fff8eb;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.95rem;
    border-bottom: none;
    transition: background-color 0.2s;
}

.cv-download:hover {
    background-color: #874530;
    border-bottom: none;
    color: #fff8eb;
}

.cv-embed {
    width: 100%;
    height: 80vh;
    border: 1px solid #e6dccb;
    border-radius: 4px;
    margin: 1rem 0;
    background: #fff;
}

/* ===== SECTION SPACING ===== */
.page-content section {
    scroll-margin-top: 70px;
}

.page-content {
    padding-top: 0.5rem;
    padding-bottom: 2rem;
}

/* ===== FOOTER ===== */
footer {
    margin-top: 4rem;
    padding: 2rem 0;
    border-top: 1px solid #e6dccb;
    font-size: 0.88rem;
    color: #8a6f4a;
    background-color: #f4ead6;
}

footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-contact a {
    color: #a0563b;
}

.footer-profiles {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.footer-profiles a {
    color: #8a6f4a;
    font-size: 0.85rem;
    border-bottom: none;
}

.footer-profiles a:hover {
    color: #a0563b;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 820px) {
    html { font-size: 16px; }

    .nav-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fbf6ee;
        flex-direction: column;
        border-bottom: 1px solid #e6dccb;
        box-shadow: 0 4px 12px rgba(60, 40, 20, 0.06);
    }

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

    .nav-links a {
        padding: 0.9rem 1.5rem;
        border-bottom: none;
    }

    .hero {
        padding: 2.25rem 0 1.75rem;
    }

    .about-header {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: left;
        align-items: stretch;
    }

    .headshot-frame {
        max-width: 280px;
        min-height: 0;
        height: auto;
        aspect-ratio: 4 / 5;
        margin: 0 auto;
    }

    .about-intro h1 {
        font-size: 2.1rem;
        text-align: center;
        white-space: normal;
    }

    .postnominals {
        text-align: center;
    }

    .summary-statement {
        text-align: left;
    }

    .books {
        flex-direction: column;
        gap: 1.5rem;
    }

    footer .container {
        flex-direction: column;
        text-align: center;
    }
}