/* ============================================
   Bento Grid Layout with Warm Earthy Palette
   Color Scheme: Cream + Terracotta + Sage
   Style: Modern Bento/Dashboard Grid
   ============================================ */

:root {
    --color-cream: #faf6f1;
    --color-cream-dark: #f0e9df;
    --color-charcoal: #2d2a26;
    --color-charcoal-light: #4a4640;
    --color-terracotta: #c45c3e;
    --color-terracotta-light: #e07857;
    --color-sage: #7d8c6e;
    --color-sage-light: #9aa88b;
    --color-sand: #d4c5b5;
    --font-display: 'DM Serif Display', Georgia, serif;
    --font-body: 'Outfit', -apple-system, sans-serif;
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 28px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--color-cream);
    color: var(--color-charcoal);
    line-height: 1.6;
}

.page-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0 3rem;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--color-charcoal);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.main-nav {
    display: flex;
    gap: 2rem;
}

.main-nav a {
    color: var(--color-charcoal-light);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-nav a:hover {
    color: var(--color-terracotta);
}

/* Bento Grid Base */
.bento-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 1.75rem;
    box-shadow: 0 2px 8px rgba(45, 42, 38, 0.04);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.bento-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(45, 42, 38, 0.08);
}

/* Hero Bento */
.hero-bento {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: auto auto;
    gap: 1.25rem;
    margin-bottom: 5rem;
}

.bento-intro {
    grid-column: span 2;
    grid-row: span 2;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.bento-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-sage);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.bento-intro h1 {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 400;
    color: var(--color-charcoal);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.bento-intro .tagline {
    font-size: 1.15rem;
    color: var(--color-charcoal-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.cta-button {
    display: inline-block;
    background: var(--color-terracotta);
    color: white;
    padding: 0.9rem 1.75rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: background 0.3s ease, transform 0.2s ease;
    align-self: flex-start;
}

.cta-button:hover {
    background: var(--color-terracotta-light);
    transform: translateX(4px);
}

.bento-photo {
    grid-column: span 2;
    grid-row: span 2;
    padding: 0;
    overflow: hidden;
    min-height: 300px;
}

.photo-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-sand) 0%, var(--color-cream-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--color-charcoal-light);
    font-weight: 500;
}

.bento-stat {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: var(--color-cream-dark);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.75rem;
    color: var(--color-terracotta);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-charcoal-light);
    font-weight: 500;
}

.bento-quote {
    grid-column: span 2;
    background: var(--color-sage);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.bento-quote blockquote {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: white;
    text-align: center;
    line-height: 1.6;
    font-style: italic;
}

/* Content Sections */
.content-section {
    margin-bottom: 5rem;
}

.section-header {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--color-cream-dark);
}

.section-number {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--color-terracotta);
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 400;
    color: var(--color-charcoal);
    letter-spacing: -0.01em;
}

/* About */
.about-content {
    max-width: 720px;
}

.about-content .lead {
    font-size: 1.25rem;
    color: var(--color-charcoal);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.about-content p {
    color: var(--color-charcoal-light);
    margin-bottom: 1rem;
    line-height: 1.8;
}

/* Research Bento */
.research-bento {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.research-main {
    grid-column: span 2;
    grid-row: span 2;
    padding: 2.5rem;
    background: var(--color-charcoal);
    color: white;
}

.research-main:hover {
    background: var(--color-charcoal-light);
}

.card-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-terracotta-light);
    margin-bottom: 1rem;
}

.research-main h3 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 400;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.research-main p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.card-link {
    color: var(--color-terracotta-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.card-link:hover {
    color: white;
}

.research-item {
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
}

.research-icon {
    font-size: 1.5rem;
    color: var(--color-terracotta);
    margin-bottom: 1rem;
}

.research-item h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
    color: var(--color-charcoal);
}

.research-item p {
    font-size: 0.9rem;
    color: var(--color-charcoal-light);
    line-height: 1.6;
}

/* Publications */
.publications-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.pub-item {
    display: flex;
    gap: 2rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--color-cream-dark);
    transition: background 0.3s ease;
}

.pub-item:hover {
    background: white;
    margin: 0 -1rem;
    padding-left: 1rem;
    padding-right: 1rem;
    border-radius: var(--radius-sm);
}

.pub-year {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--color-terracotta);
    min-width: 60px;
}

.pub-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-charcoal);
    margin-bottom: 0.25rem;
    line-height: 1.5;
}

.pub-journal {
    font-size: 0.9rem;
    color: var(--color-sage);
    font-style: italic;
}

.view-all-link {
    display: inline-block;
    margin-top: 1.5rem;
    color: var(--color-terracotta);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.view-all-link:hover {
    color: var(--color-terracotta-light);
}

/* Teaching */
.teaching-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.25rem;
}

.teaching-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(45, 42, 38, 0.04);
    border-left: 4px solid var(--color-sage);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.teaching-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(45, 42, 38, 0.08);
}

.course-semester {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-sage);
    margin-bottom: 0.75rem;
}

.teaching-card h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 400;
    color: var(--color-charcoal);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.teaching-card p {
    font-size: 0.9rem;
    color: var(--color-charcoal-light);
    line-height: 1.6;
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.contact-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-sage);
}

.contact-item a {
    color: var(--color-charcoal);
    text-decoration: none;
    font-size: 1.05rem;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: var(--color-terracotta);
}

.contact-item span:not(.contact-label) {
    color: var(--color-charcoal-light);
    font-size: 1rem;
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.social-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: white;
    border-radius: var(--radius-sm);
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(45, 42, 38, 0.04);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.social-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(45, 42, 38, 0.08);
}

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-cream-dark);
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-charcoal);
    letter-spacing: 0.05em;
}

.social-card span:not(.social-icon) {
    color: var(--color-charcoal);
    font-weight: 500;
    font-size: 0.95rem;
}

/* Footer */
.site-footer {
    text-align: center;
    padding: 3rem 0 2rem;
    border-top: 1px solid var(--color-cream-dark);
    margin-top: 3rem;
}

.site-footer p {
    color: var(--color-charcoal-light);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 900px) {
    .hero-bento {
        grid-template-columns: repeat(2, 1fr);
    }

    .bento-intro {
        grid-column: span 2;
        grid-row: span 1;
    }

    .bento-photo {
        grid-column: span 2;
        grid-row: span 1;
        min-height: 250px;
    }

    .bento-quote {
        grid-column: span 2;
    }

    .research-bento {
        grid-template-columns: 1fr;
    }

    .research-main {
        grid-column: span 1;
        grid-row: span 1;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 600px) {
    .page-wrapper {
        padding: 1.25rem;
    }

    .site-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
        padding-bottom: 2rem;
    }

    .main-nav {
        gap: 1.25rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-bento {
        grid-template-columns: 1fr;
    }

    .bento-intro,
    .bento-photo,
    .bento-stat,
    .bento-quote {
        grid-column: span 1;
    }

    .bento-intro h1 {
        font-size: 2.5rem;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

    .pub-item {
        flex-direction: column;
        gap: 0.5rem;
    }

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

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