@font-face {
    font-display: swap;
    font-family: "JetBrains Mono";
    font-style: normal;
    font-weight: 400;
    src: url("/fonts/jetbrains-mono-400.ttf") format("truetype");
}

@font-face {
    font-display: swap;
    font-family: "JetBrains Mono";
    font-style: normal;
    font-weight: 500;
    src: url("/fonts/jetbrains-mono-500.ttf") format("truetype");
}

@font-face {
    font-display: swap;
    font-family: "JetBrains Mono";
    font-style: normal;
    font-weight: 700;
    src: url("/fonts/jetbrains-mono-700.ttf") format("truetype");
}

@font-face {
    font-display: swap;
    font-family: "JetBrains Mono";
    font-style: normal;
    font-weight: 800;
    src: url("/fonts/jetbrains-mono-800.ttf") format("truetype");
}

@font-face {
    font-display: swap;
    font-family: "Space Grotesk";
    font-style: normal;
    font-weight: 400;
    src: url("/fonts/space-grotesk-400.ttf") format("truetype");
}

@font-face {
    font-display: swap;
    font-family: "Space Grotesk";
    font-style: normal;
    font-weight: 500;
    src: url("/fonts/space-grotesk-500.ttf") format("truetype");
}

@font-face {
    font-display: swap;
    font-family: "Space Grotesk";
    font-style: normal;
    font-weight: 600;
    src: url("/fonts/space-grotesk-600.ttf") format("truetype");
}

@font-face {
    font-display: swap;
    font-family: "Space Grotesk";
    font-style: normal;
    font-weight: 700;
    src: url("/fonts/space-grotesk-700.ttf") format("truetype");
}

:root {
    --color-bg: #ffffff;
    --color-text: #111111;
    --color-muted: #555555;
    --color-subtle: #777777;
    --color-border: #d8d8d8;
    --color-panel: #f7f7f7;
    --color-dark: #111111;
    --color-accent: #6b6b6b;
    --color-accent-hover: #565656;
    --font-sans: "Space Grotesk", system-ui, sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, monospace;
    --max-width: 1280px;
}

* {
    box-sizing: border-box;
}

html {
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    line-height: 1.6;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--color-bg);
}

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

a:hover,
a:focus {
    color: #000000;
    text-decoration-thickness: 2px;
}

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

/* Header */

.site-header {
    border-bottom: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.98);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1.2rem 0;
}

.logo-group {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
}

.logo-box {
    border: 1px solid var(--color-dark);
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.85rem;
    line-height: 1;
    padding: 0.35rem 0.5rem;
}

.logo-name {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem 1.3rem;
    justify-content: flex-end;
}

.site-nav a {
    color: var(--color-muted);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.03em;
    text-decoration: none;
    text-transform: uppercase;
}

.site-nav a:hover,
.site-nav a:focus {
    color: var(--color-text);
}

.site-nav a[aria-current="page"] {
    color: var(--color-text);
    font-weight: 700;
}

.site-nav a.nav-cta {
    background: var(--color-accent);
    border: 1px solid var(--color-accent);
    color: #ffffff;
    font-weight: 700;
    padding: 0.4rem 0.9rem;
}

.site-nav a.nav-cta:hover,
.site-nav a.nav-cta:focus {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: #ffffff;
}

.site-main {
    padding: 4rem 0;
}

/* Breadcrumb */

.eyebrow {
    color: var(--color-subtle);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    margin: 0 0 1.5rem;
}

.hero .eyebrow,
.page-header .eyebrow {
    flex-basis: 100%;
    margin-bottom: 0.5rem;
}

/* Page headers */

.hero,
.page-header {
    align-items: flex-start;
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem 3rem;
    justify-content: space-between;
    margin-bottom: 3rem;
}

.hero h1,
.page-header h1 {
    flex: 0 1 auto;
}

.hero h1,
.page-header h1,
.hero .hero-headline,
.page-header .lead {
    flex-basis: 100%;
}

h1,
h2,
h3 {
    color: var(--color-text);
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.6rem, 8vw, 6rem);
    font-weight: 800;
    letter-spacing: -0.06em;
    margin: 0;
}

h2 {
    border-top: 1px solid var(--color-border);
    font-size: 1.45rem;
    margin: 3rem 0 1rem;
    padding-top: 1.5rem;
}

.content>h2:first-child {
    border-top: 0;
    margin-top: 0;
    padding-top: 0;
}

h3 {
    font-size: 1.08rem;
    margin: 2rem 0 0.35rem;
}

.hero-headline,
.lead {
    color: var(--color-muted);
    flex: 0 1 480px;
    font-size: clamp(1.15rem, 2.2vw, 1.5rem);
    margin-top: 0.5rem;
}

.hero-actions {
    display: flex;
    flex-basis: 100%;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1rem;
}

.home-tagline {
    border-bottom: 1px solid var(--color-border);
    border-top: 1px solid var(--color-border);
    color: var(--color-muted);
    font-family: var(--font-mono);
    font-size: 0.95rem;
    margin-top: 4rem;
    padding: 1.5rem 0;
    text-align: center;
}

/* Buttons */

.button {
    background: var(--color-accent);
    border: 1px solid var(--color-accent);
    color: #ffffff;
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    padding: 0.7rem 1.1rem;
    text-decoration: none;
    text-transform: uppercase;
}

.button:hover,
.button:focus {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: #ffffff;
}

.button.secondary {
    background: #ffffff;
    border-color: var(--color-dark);
    color: var(--color-dark);
}

.button.secondary:hover,
.button.secondary:focus {
    background: var(--color-panel);
    color: var(--color-dark);
}

.content {
    max-width: 960px;
}

.content p,
.content li {
    color: var(--color-muted);
}

.content strong {
    color: var(--color-text);
}

.content ul {
    padding-left: 1.2rem;
}

/* Accordion (CV entries, publications, blog) */

.cv-entry {
    border: 1px solid var(--color-border);
    margin: 2rem 0;
}

.cv-entry-summary {
    cursor: pointer;
    display: grid;
    gap: 0.4rem;
    list-style: none;
    padding: 1rem 3rem 1rem 1rem;
    position: relative;
}

.cv-entry-summary::-webkit-details-marker {
    display: none;
}

.cv-entry-summary::after {
    content: "+";
    color: var(--color-muted);
    font-size: 1.4rem;
    line-height: 1;
    position: absolute;
    right: 1rem;
    top: 1.15rem;
}

.cv-entry[open] .cv-entry-summary::after {
    content: "−";
}

.cv-entry-summary:hover,
.cv-entry-summary:focus {
    background: var(--color-panel);
    outline: none;
}

.cv-entry-summary:focus-visible {
    outline: 2px solid var(--color-text);
    outline-offset: 2px;
}

.cv-entry-title {
    color: var(--color-text);
    font-size: 1.08rem;
    font-weight: 700;
    line-height: 1.2;
}

.cv-entry-meta {
    color: var(--color-muted);
}

.cv-entry-details {
    border-top: 1px solid var(--color-border);
    padding: 0 1rem 1rem;
}

/* Stat grid (CV facts row) */

.stat-grid {
    border: 1px solid var(--color-border);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    margin: 3rem 0;
}

.stat-tile {
    border-right: 1px solid var(--color-border);
    padding: 1.25rem 1.5rem;
}

.stat-tile:last-child {
    border-right: 0;
}

.stat-label {
    color: var(--color-subtle);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    margin: 0 0 0.4rem;
    text-transform: uppercase;
}

.stat-value {
    font-size: 1.05rem;
    font-weight: 700;
    margin: 0;
}

/* Card grids (projects, skills, education) */

.project-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    margin: 2rem 0;
}

.project-grid.skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.project-card,
.skill-card {
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1.5rem;
}

.project-card-title {
    color: var(--color-text);
    font-size: 1.08rem;
    font-weight: 700;
    margin: 0;
}

.project-card-role {
    color: var(--color-subtle);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    margin: 0;
    text-transform: uppercase;
}

.project-card-desc {
    color: var(--color-muted);
    flex: 1;
    font-size: 0.95rem;
    margin: 0;
}

.skill-card-label {
    color: var(--color-subtle);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    margin: 0;
    text-transform: uppercase;
}

.skill-card ul {
    color: var(--color-muted);
    list-style: none;
    margin: 0;
    padding: 0;
}

.skill-card li {
    padding: 0.15rem 0;
}

.education-grid {
    border: 1px solid var(--color-border);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin: 2rem 0;
}

.education-card {
    border-right: 1px solid var(--color-border);
    padding: 1.5rem;
}

.education-card:last-child {
    border-right: 0;
}

.education-degree {
    font-size: 1.3rem;
    font-weight: 800;
    margin: 0 0 0.5rem;
}

.education-meta {
    color: var(--color-muted);
    margin: 0 0 1.25rem;
}

.education-thesis-label {
    font-weight: 700;
    margin: 0 0 0.25rem;
}

/* Filter pills */

.filter-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin: 2rem 0;
}

.filter-pill {
    background: #ffffff;
    border: 1px solid var(--color-border);
    color: var(--color-muted);
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    padding: 0.5rem 0.9rem;
}

.filter-pill:hover,
.filter-pill:focus-visible {
    border-color: var(--color-dark);
}

.filter-pill.is-active {
    border-color: var(--color-dark);
    color: var(--color-text);
    font-weight: 700;
}

[hidden] {
    display: none !important;
}

/* Publications year accordion */

.pub-year .cv-entry-title {
    font-family: var(--font-mono);
    font-weight: 800;
}

.pub-year .cv-entry-title::before {
    color: var(--color-subtle);
    content: "/";
    margin-right: 0.1rem;
}

.pub-year .cv-entry-meta {
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

/* Blog list */

.home-content ul {
    list-style: none;
    padding-left: 0;
}

.home-content ul li {
    border-left: 2px solid var(--color-border);
    margin-bottom: 0.3rem;
    padding: 0.25rem 0 0.25rem 0.9rem;
}

.blog-archive {
    max-width: 1100px;
}

.blog-entry .cv-entry-summary {
    align-items: baseline;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    justify-content: space-between;
}

.blog-entry .cv-entry-meta {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    white-space: nowrap;
}

.blog-entry-details {
    padding-top: 1rem;
}

.blog-entry-details h2:first-child {
    border-top: 0;
    margin-top: 0;
    padding-top: 0;
}

.blog-entry-details img {
    border: 1px solid var(--color-border);
    display: block;
    height: auto;
    margin: 1.5rem auto;
    max-width: 100%;
}

.blog-source {
    border-top: 1px solid var(--color-border);
    font-size: 0.9rem;
    margin-top: 2rem;
    padding-top: 1rem;
}

.pagination {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: space-between;
    margin-top: 2rem;
}

.pagination-status {
    color: var(--color-muted);
    font-size: 0.9rem;
}

.page {
    max-width: 1100px;
}

/* Contact page */

.contact-email-row {
    align-items: baseline;
    border-bottom: 1px solid var(--color-border);
    border-top: 1px solid var(--color-border);
    display: flex;
    gap: 1rem;
    margin: 2rem 0 1.5rem;
    padding: 1rem 0;
}

.contact-email-label {
    color: var(--color-subtle);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    min-width: 70px;
    text-transform: uppercase;
}

.contact-email-value {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
}

.profile-grid {
    display: grid;
    gap: 0.75rem;
    grid-template-columns: repeat(2, 1fr);
    margin-top: 1.5rem;
    max-width: 600px;
}

.profile-link {
    align-items: center;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    display: flex;
    font-family: var(--font-mono);
    font-weight: 700;
    justify-content: space-between;
    letter-spacing: 0.03em;
    padding: 0.9rem 1.1rem;
    text-decoration: none;
    text-transform: uppercase;
}

.profile-link:hover,
.profile-link:focus {
    border-color: var(--color-dark);
    color: var(--color-text);
}

/* Footer */

.site-footer {
    border-top: 1px solid var(--color-border);
    color: var(--color-subtle);
    font-size: 0.9rem;
    padding: 3rem 0;
}

.footer-inner {
    display: grid;
    gap: 2rem 3rem;
    grid-template-columns: 1.3fr 1fr 1fr;
}

.footer-brand-meta {
    color: var(--color-subtle);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    margin: 1rem 0 0;
}

.footer-brand-meta p {
    margin: 0.2rem 0;
}

.footer-brand-meta a {
    color: var(--color-subtle);
}

.footer-brand-meta a:hover,
.footer-brand-meta a:focus {
    color: var(--color-text);
}

.footer-nav {
    display: grid;
    gap: 0.5rem 2rem;
    grid-template-columns: repeat(2, auto);
}

.footer-nav a {
    color: var(--color-subtle);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    text-decoration: none;
}

.footer-nav a:hover,
.footer-nav a:focus {
    color: var(--color-text);
}

.footer-elsewhere-label {
    color: var(--color-subtle);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    margin: 0 0 0.75rem;
    text-transform: uppercase;
}

.footer-elsewhere-grid {
    display: grid;
    gap: 0.5rem 1.5rem;
    grid-template-columns: repeat(2, auto);
}

.footer-elsewhere a {
    color: var(--color-subtle);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    text-decoration: none;
}

.footer-elsewhere a:hover,
.footer-elsewhere a:focus {
    color: var(--color-text);
}

@media (max-width: 760px) {
    .header-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .site-nav {
        justify-content: flex-start;
    }

    .site-main {
        padding: 2.5rem 0;
    }

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

    .stat-tile:nth-child(2n) {
        border-right: 0;
    }

    .stat-tile:nth-child(-n+2) {
        border-bottom: 1px solid var(--color-border);
    }

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

    .education-card {
        border-bottom: 1px solid var(--color-border);
        border-right: 0;
    }

    .education-card:last-child {
        border-bottom: 0;
    }

    .footer-inner {
        grid-template-columns: 1fr;
    }

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