:root {
    --paper: #eef4f3;
    --surface: #ffffff;
    --surface-tint: #f6fbfb;
    --ink: #172323;
    --muted: #4f6264;
    --quiet: #6e8183;
    --rule: #c7d6d6;
    --accent: #006d77;
    --accent-dark: #12355b;
    --accent-secondary: #8f2d56;
    --accent-soft: #d8ecee;
    --accent-wash: #f5fbfb;
    --secondary-wash: #fbf5f8;
    --focus: #d97925;
    --max: 1120px;
    --measure: 720px;
    --radius: 18px;
    --radius-sm: 12px;
    --radius-pill: 999px;
    --shadow: 0 14px 36px rgba(18, 53, 91, 0.075);
    --body: "Inter", "Aptos", "Segoe UI", system-ui, sans-serif;
    --display: "Source Serif 4", Georgia, serif;
    --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--body);
    font-size: 17px;
    line-height: 1.65;
}

img,
svg {
    max-width: 100%;
}

a {
    color: var(--accent-dark);
    text-decoration-thickness: 1px;
    text-underline-offset: 0.18em;
}

a:hover {
    color: var(--focus);
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 3px;
}

.site-header,
.site-footer {
    background: var(--accent-dark);
    color: #ffffff;
}

.site-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(14px);
}

.nav-wrap,
.site-footer .wrap,
.wrap {
    width: min(var(--max), calc(100% - 40px));
    margin: 0 auto;
}

.nav-wrap {
    min-height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.brand {
    display: grid;
    gap: 0.05rem;
    color: #ffffff;
    text-decoration: none;
}

.brand-name {
    font-family: var(--display);
    font-size: 1.35rem;
    line-height: 1.1;
    font-weight: 650;
}

.brand-role {
    color: rgba(255, 255, 255, 0.68);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.mobile-menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    padding: 0;
}

.mobile-menu-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 4px auto;
    background: currentColor;
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: clamp(0.65rem, 2vw, 1.2rem);
    padding: 0;
    margin: 0;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.92rem;
    text-decoration: none;
    border-radius: var(--radius-pill);
    padding: 0.35rem 0.65rem;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
    color: #ffffff;
}

main {
    width: min(var(--max), calc(100% - 40px));
    margin: 0 auto;
}

.hero {
    min-height: 0;
    display: grid;
    align-items: end;
    margin-top: clamp(1.5rem, 4vw, 3rem);
    padding: clamp(2.25rem, 5vw, 3.6rem) clamp(1.2rem, 4vw, 2.7rem) clamp(1.85rem, 4vw, 2.85rem);
    border: 1px solid var(--rule);
    border-top: 7px solid var(--accent);
    border-radius: clamp(20px, 4vw, 34px);
    background: linear-gradient(135deg, var(--surface) 0%, var(--surface-tint) 58%, var(--accent-wash) 100%);
    box-shadow: var(--shadow);
}

.hero-inner {
    max-width: 860px;
}

.profile-overview {
    display: grid;
    grid-template-columns: minmax(220px, 0.32fr) minmax(0, 1fr);
    gap: clamp(1.5rem, 5vw, 3.75rem);
    align-items: center;
    margin-bottom: clamp(1.6rem, 3.5vw, 2.5rem);
}

.profile-card {
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(199, 214, 214, 0.85);
    border-radius: clamp(22px, 4vw, 36px);
    padding: 0.72rem;
    box-shadow: 0 12px 30px rgba(18, 53, 91, 0.095);
    display: grid;
    gap: 0.85rem;
    max-width: 300px;
}

.profile-card img {
    width: 100%;
    aspect-ratio: 4 / 3.8;
    object-fit: cover;
    border-radius: clamp(18px, 3vw, 30px);
    display: block;
}

.profile-copy {
    max-width: 760px;
}

.profile-copy .section-label {
    margin: 0 0 0.75rem;
}

.profile-copy h2 {
    margin: 0;
    font-family: var(--display);
    font-size: clamp(1.5rem, 2.65vw, 2.35rem);
    line-height: 1.12;
    font-weight: 620;
}

.profile-copy p:not(.section-label) {
    margin: 0.9rem 0 0;
    color: var(--muted);
}

.portrait-card-copy {
    padding: 0 0.45rem;
}

.portrait-card-copy p {
    margin: 0.25rem 0 0;
    font-size: 0.98rem;
}

.focus-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    padding: 0 0.45rem 0.35rem;
}

.focus-pills span {
    display: inline-flex;
    border-radius: var(--radius-pill);
    background: var(--accent-wash);
    color: var(--accent-dark);
    padding: 0.32rem 0.62rem;
    font-size: 0.78rem;
    line-height: 1.15;
}

.focus-pills span:nth-child(even) {
    background: var(--secondary-wash);
    color: var(--accent-secondary);
}

.eyebrow,
.section-label,
.tag,
.publication-meta {
    font-family: var(--mono);
    color: var(--accent);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.meta,
.publication-meta {
    color: var(--accent-secondary);
}

.hero h1 {
    margin: 0;
    font-family: var(--display);
    font-size: clamp(2rem, 4.45vw, 3.95rem);
    line-height: 1.08;
    font-weight: 650;
    letter-spacing: 0;
    max-width: 980px;
}

.page-hero h1 {
    margin: 0;
    font-family: var(--display);
    font-size: clamp(1.85rem, 3.8vw, 3.1rem);
    line-height: 1.1;
    font-weight: 650;
    letter-spacing: 0;
    max-width: 900px;
}

.hero p,
.page-hero p {
    max-width: 760px;
    margin: 1.25rem 0 0;
    color: var(--muted);
    font-size: clamp(1.02rem, 1.65vw, 1.2rem);
}

.section {
    padding: clamp(2.4rem, 5.5vw, 4.35rem) 0;
    border-bottom: 1px solid var(--rule);
}

.section-header {
    display: grid;
    grid-template-columns: minmax(120px, 0.32fr) minmax(0, 1fr);
    gap: clamp(1.5rem, 5vw, 4rem);
    align-items: start;
    margin-bottom: clamp(1.25rem, 3vw, 2.15rem);
}

.section-header h2,
.section-title {
    margin: 0;
    font-family: var(--display);
    font-size: clamp(1.5rem, 2.65vw, 2.35rem);
    line-height: 1.12;
    font-weight: 620;
}

.section-header p {
    margin: 0;
    max-width: var(--measure);
    color: var(--muted);
}

.lede {
    max-width: var(--measure);
    color: var(--muted);
    font-size: 1.16rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem;
    background: transparent;
    border: 0;
    border-radius: var(--radius);
}

.panel {
    background: var(--surface);
    padding: clamp(1.25rem, 3vw, 2rem);
    border: 1px solid var(--rule);
    border-top: 4px solid transparent;
    border-radius: var(--radius);
    box-shadow: 0 8px 22px rgba(18, 53, 91, 0.045);
}

.panel:nth-child(1),
.panel:nth-child(4) {
    background: var(--accent-wash);
}

.panel:nth-child(2) {
    background: var(--secondary-wash);
}

.panel:nth-child(odd) {
    border-top-color: var(--accent);
}

.panel:nth-child(even) {
    border-top-color: var(--accent-secondary);
}

.panel h3,
.text-block h2,
.text-block h3,
.cv-section h2,
.cv-section h3 {
    margin: 0 0 0.65rem;
    font-family: var(--display);
    line-height: 1.15;
    font-weight: 620;
}

.panel h3 {
    font-size: 1.35rem;
}

.text-block h2,
.cv-section h2 {
    font-size: clamp(1.45rem, 2.2vw, 2rem);
}

.panel p,
.panel ul,
.text-block p,
.text-block ul,
.cv-section p,
.cv-section ul {
    margin: 0;
    color: var(--muted);
}

.panel p + p,
.text-block p + p,
.text-block ul + p,
.cv-section p + p,
.cv-section ul + h3,
.cv-section h3 + ul,
.cv-section h3 + p {
    margin-top: 1rem;
}

.panel ul,
.text-block ul,
.cv-section ul {
    padding-left: 1.2rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
    gap: clamp(2rem, 7vw, 5rem);
    align-items: start;
}

.portrait {
    border-radius: clamp(18px, 4vw, 32px);
    border: 1px solid var(--rule);
    display: block;
    width: min(360px, 100%);
    box-shadow: var(--shadow);
}

.text-stack {
    display: grid;
    gap: 1.4rem;
}

.text-block {
    max-width: var(--measure);
}

.publication-list,
.writing-list {
    list-style: none;
    padding: 0;
    margin: 0;
    border-top: 1px solid var(--rule);
}

.publication-list li,
.writing-card {
    padding: 1.2rem 0;
    border-bottom: 1px solid var(--rule);
}

.publication-list p,
.writing-card p {
    margin: 0.35rem 0 0;
    color: var(--muted);
}

.writing-card h2,
.writing-card h3 {
    margin: 0.35rem 0 0;
    font-family: var(--display);
    font-size: clamp(1.35rem, 3vw, 2rem);
    line-height: 1.1;
}

.writing-card h2 a,
.writing-card h3 a {
    color: var(--ink);
    text-decoration: none;
}

.writing-card h2 a:hover,
.writing-card h3 a:hover {
    color: var(--accent-dark);
}

.tag-row,
.actions,
.profile-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    align-items: center;
}

.tag {
    display: inline-flex;
    width: fit-content;
    padding: 0.18rem 0.45rem;
    border: 1px solid var(--rule);
    border-radius: var(--radius-pill);
    color: var(--muted);
}

.button,
button.tag-filter,
.toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0.58rem 1rem;
    border: 1px solid var(--accent-dark);
    border-radius: var(--radius-pill);
    background: var(--accent-dark);
    color: #fff;
    font: inherit;
    font-size: 0.95rem;
    line-height: 1.1;
    text-decoration: none;
    cursor: pointer;
}

.button.secondary,
button.tag-filter {
    background: transparent;
    color: var(--accent-dark);
}

.button:hover,
button.tag-filter:hover,
.toggle-btn:hover {
    border-color: var(--accent-secondary);
    background: var(--accent-secondary);
    color: #fff;
}

.page-hero {
    margin-top: clamp(1.5rem, 4vw, 3rem);
    padding: clamp(2.2rem, 4.4vw, 3.45rem) clamp(1.2rem, 4vw, 2.6rem) clamp(1.75rem, 3.8vw, 2.65rem);
    border: 1px solid var(--rule);
    border-top: 5px solid var(--accent);
    border-radius: clamp(20px, 4vw, 34px);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.narrow {
    max-width: 820px;
}

.content-layout {
    display: grid;
    grid-template-columns: minmax(150px, 0.28fr) minmax(0, 1fr);
    gap: clamp(1.5rem, 5vw, 4rem);
}

.side-note {
    color: var(--quiet);
    font-family: var(--mono);
    font-size: 0.8rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.timeline {
    display: grid;
    gap: 1.25rem;
}

.timeline-item {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 1.5rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--rule);
}

.timeline-date {
    color: var(--quiet);
    font-family: var(--mono);
    font-size: 0.82rem;
}

.blog-filters {
    display: grid;
    gap: 1rem;
    margin: 2rem 0;
}

.search-box input {
    width: 100%;
    min-height: 46px;
    border: 1px solid var(--rule);
    border-radius: var(--radius-pill);
    background: var(--surface);
    color: var(--ink);
    font: inherit;
    padding: 0.6rem 0.8rem;
}

.tag-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.blog-post {
    max-width: 820px;
    margin: 0 auto;
    padding: clamp(2.25rem, 5.2vw, 3.85rem) 0;
}

.blog-post-header {
    border-bottom: 1px solid var(--rule);
    padding-bottom: 2rem;
    margin-bottom: 2rem;
}

.blog-post-header h1 {
    margin: 0;
    font-family: var(--display);
    font-size: clamp(1.8rem, 3.7vw, 2.95rem);
    line-height: 1.1;
}

.blog-post-content h2 {
    margin: 2.8rem 0 0.65rem;
    font-family: var(--display);
    font-size: clamp(1.35rem, 2.6vw, 1.85rem);
    line-height: 1.18;
}

.blog-post-content h3 {
    margin: 2rem 0 0.5rem;
}

.blog-post-content p,
.blog-post-content ul,
.blog-post-content ol {
    color: var(--muted);
}

pre {
    overflow-x: auto;
    padding: 1rem;
    border: 1px solid var(--rule);
    border-radius: var(--radius-sm);
    background: #f4f6f4;
}

code {
    font-family: var(--mono);
    font-size: 0.92em;
}

:not(pre) > code {
    background: var(--accent-soft);
    border-radius: 8px;
    padding: 0.08rem 0.25rem;
}

.cv-section {
    padding: 2rem 0;
    border-bottom: 1px solid var(--rule);
}

.hidden {
    display: none !important;
}

.site-footer {
    margin-top: clamp(3rem, 8vw, 6rem);
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    padding: 2.5rem 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 2rem;
    align-items: start;
}

.footer-grid p {
    margin: 0;
    color: rgba(255, 255, 255, 0.72);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
}

.footer-links a {
    color: #ffffff;
}

@media (max-width: 900px) {
    .nav-wrap {
        min-height: auto;
        padding: 1rem 0;
        align-items: start;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        left: 14px;
        right: 14px;
        top: 100%;
        padding: 1rem 20px 1.2rem;
        background: var(--accent-dark);
        border: 1px solid rgba(255, 255, 255, 0.14);
        border-radius: 0 0 var(--radius) var(--radius);
        box-shadow: var(--shadow);
        flex-direction: column;
        align-items: flex-start;
    }

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

    .section-header,
    .content-layout,
    .feature-grid,
    .profile-overview,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .profile-card {
        justify-self: start;
        width: min(100%, 300px);
    }

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

@media (max-width: 620px) {
    body {
        font-size: 16px;
    }

    .nav-wrap,
    .site-footer .wrap,
    .wrap,
    main {
        width: min(100% - 28px, var(--max));
    }

    .grid,
    .timeline-item {
        grid-template-columns: 1fr;
    }

    .timeline-item {
        gap: 0.25rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}