:root {
    --bg: #f7f7f5;
    --surface: #ffffff;
    --surface-alt: #f2f4f7;
    --text: #101828;
    --muted: #667085;
    --line: #e4e7ec;
    --accent: #184e77;
    --accent-2: #3a6ea5;
    --shadow: 0 18px 50px rgba(16, 24, 40, 0.06);
    --radius: 18px;
    --radius-sm: 12px;
    --container: 1160px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
    color: var(--text);
    background: linear-gradient(180deg, #fbfbfa 0%, var(--bg) 100%);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

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

.container {
    width: min(calc(100% - 2rem), var(--container));
    margin: 0 auto;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(247, 247, 245, 0.88);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(228, 231, 236, 0.9);
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    gap: 1rem;
}

.brand {
    font-weight: 650;
    letter-spacing: -0.03em;
}

.nav {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 0.95rem;
}

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

.hero {
    padding: 4.5rem 0 2rem;
}

.hero-grid,
.section-grid {
    display: grid;
    gap: 2rem;
}

.hero-grid {
    grid-template-columns: 2fr 0.62fr;
    align-items: center;
}

.eyebrow,
.section-label {
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--accent-2);
    font-size: 0.78rem;
    font-weight: 700;
    margin: 0 0 0.75rem;
}

h1,
h2,
h3,
p {
    margin: 0 0 1rem;
}

h1 {
    font-size: clamp(2.7rem, 6vw, 4.9rem);
    line-height: 1.02;
    letter-spacing: -0.05em;
    max-width: 10ch;
}

h2 {
    font-size: clamp(1.7rem, 3vw, 2.5rem);
    letter-spacing: -0.04em;
}

h3 {
    font-size: 1.15rem;
    letter-spacing: -0.02em;
}

.lead {
    font-size: 1.1rem;
    color: var(--muted);
    max-width: 60ch;
}

.hero-tags,
.chip-grid,
.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
}

.hero-tags span,
.chip,
.tag-row span {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.72);
    color: var(--muted);
    border-radius: 999px;
    padding: 0.55rem 0.9rem;
    font-size: 0.92rem;
}

.hero-actions {
    display: flex;
    gap: 0.9rem;
    flex-wrap: wrap;
    margin-top: 1.4rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.15rem;
    border-radius: 999px;
    border: 1px solid var(--line);
    font-weight: 600;
}

.button.primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.button.secondary {
    background: transparent;
}

.hero-card,
.panel,
.timeline-card,
.experience-card,
.project-card,
.gallery-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.hero-card {
    overflow: hidden;
    max-width: 260px;
    justify-self: end;
}

.hero-card img {
    width: 100%;
    aspect-ratio: 1 / 1.08;
    object-fit: cover;
    background: var(--surface-alt);
}

.hero-card-body {
    padding: 1.1rem 1.15rem 1.25rem;
}

.card-label {
    color: var(--muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 0.25rem;
}

.section {
    padding: 4rem 0;
}

.muted {
    background: rgba(255, 255, 255, 0.42);
    border-top: 1px solid rgba(228, 231, 236, 0.7);
    border-bottom: 1px solid rgba(228, 231, 236, 0.7);
}

.section-grid.narrow {
    grid-template-columns: 1.25fr 0.75fr;
    align-items: start;
}

.section-heading {
    margin-bottom: 1.6rem;
}

.panel {
    padding: 1.35rem;
}

.fact-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0;
    display: grid;
    gap: 0.9rem;
}

.fact-list li,
.contact-panel a {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--line);
}

.fact-list li:last-child,
.contact-panel a:last-child {
    border-bottom: 0;
}

.fact-list span,
.contact-panel span,
.timeline-date,
.muted-text {
    color: var(--muted);
}

.timeline-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.timeline-card,
.experience-card,
.project-card,
.gallery-card {
    padding: 1.2rem;
}

.experience-list {
    display: grid;
    gap: 1rem;
}

.experience-head {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: baseline;
    margin-bottom: 0.6rem;
}

.experience-card ul {
    margin: 0;
    padding-left: 1.2rem;
    color: var(--muted);
}

.experience-card li + li {
    margin-top: 0.5rem;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.project-card {
    overflow: hidden;
}

.project-card img {
    aspect-ratio: 16 / 9;
    width: 100%;
    object-fit: cover;
    border-radius: calc(var(--radius) - 8px);
    margin-bottom: 1rem;
    background: var(--surface-alt);
}

.project-card img.fit-contain {
    object-fit: contain;
    background: #0f172a;
}

.project-body p {
    color: var(--muted);
}

.project-body a {
    display: inline-flex;
    margin-top: 0.5rem;
    color: var(--accent);
    font-weight: 600;
}

.publication-list {
    display: grid;
    gap: 1rem;
}

.publication-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.2rem;
}

.publication-card a {
    display: inline-flex;
    margin-top: 0.3rem;
    color: var(--accent);
    font-weight: 600;
}

.gallery-block {
    display: grid;
    gap: 2rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.gallery-grid.compact {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.gallery-card {
    padding: 0.8rem;
}

.gallery-card img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: calc(var(--radius) - 10px);
    margin-bottom: 0.7rem;
}

.contact-panel {
    display: grid;
    gap: 0;
    padding: 0;
}

.contact-panel a {
    padding: 1rem 1.15rem;
}

.contact-meta {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
}

.contact-icon {
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 999px;
    border: 1px solid var(--line);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: var(--accent);
    background: #f8fafc;
    font-weight: 600;
}

.footer {
    padding: 2rem 0 2.5rem;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    color: var(--muted);
    border-top: 1px solid var(--line);
    padding-top: 1.2rem;
}

.footer-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

@media (max-width: 960px) {
    .hero-grid,
    .section-grid.narrow,
    .timeline-grid,
    .project-grid,
    .gallery-grid,
    .gallery-grid.compact {
        grid-template-columns: 1fr 1fr;
    }

    .hero-grid,
    .section-grid.narrow {
        grid-template-columns: 1fr;
    }

    .hero-card {
        max-width: 340px;
        justify-self: start;
    }
}

@media (max-width: 720px) {
    .topbar-inner,
    .footer-inner,
    .experience-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .timeline-grid,
    .project-grid,
    .gallery-grid,
    .gallery-grid.compact {
        grid-template-columns: 1fr;
    }

    .nav {
        gap: 0.8rem;
    }

    .hero {
        padding-top: 2.5rem;
    }
}