/* Brutalist / Swiss research aesthetic — off-white paper, black ink, hairlines */

:root {
    --bg: #f4f2eb;
    --paper: #faf8f2;
    --ink: #0a0a0a;
    --ink-2: #1c1c1c;
    --muted: #6b6b6b;
    --rule: #0a0a0a;
    --rule-soft: #c8c5bd;
    --accent: #c53030;       /* vermilion ink */
    --accent-soft: #fde8e8;
    --c-red:     #d33b3b;
    --c-blue:    #1d4ed8;
    --c-yellow:  #e0a82e;
    --c-green:   #15803d;
    --c-magenta: #be185d;
    --c-cobalt:  #1e40af;
    --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
    --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    --max-width: 1160px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.55;
    color: var(--ink);
    background-color: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "ss01", "cv11";
}

/* faint paper grain */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    background-image:
        radial-gradient(rgba(0,0,0,0.025) 1px, transparent 1px),
        radial-gradient(rgba(0,0,0,0.02) 1px, transparent 1px);
    background-size: 3px 3px, 7px 7px;
    background-position: 0 0, 1px 2px;
    pointer-events: none;
    opacity: 0.55;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 36px;
}

a {
    color: var(--ink);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    transition: color 0.12s;
}

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

strong { color: var(--ink); font-weight: 600; }
em { font-style: italic; color: var(--ink-2); }

/* =========================================================
   Top rule + masthead
   ========================================================= */

.masthead {
    border-top: 4px solid var(--rule);
    border-bottom: 1px solid var(--rule);
    padding: 14px 0 12px;
    margin-bottom: 0;
}

.masthead .container {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-family: var(--mono);
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--muted);
}

.masthead .vol {
    color: #fff;
    background: var(--c-red);
    padding: 3px 10px;
    font-weight: 600;
}

/* =========================================================
   Header / Hero
   ========================================================= */

header {
    padding: 80px 0 64px;
    border-bottom: 1px solid var(--rule);
    position: relative;
}

.hero {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 56px;
    align-items: end;
}

.hero-left { min-width: 0; }
.hero-right {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
    padding-top: 8px;
}

.profile-wrap {
    width: 150px;
    height: 190px;
    flex-shrink: 0;
    position: relative;
    background: transparent;
}

/* Offset color block behind the photo (a brutalist signature move). */
.profile-wrap::before {
    content: "";
    position: absolute;
    top: 12px;
    left: 12px;
    width: 100%;
    height: 100%;
    background: var(--c-red);
    z-index: 0;
}

.profile-wrap::after {
    content: "";
    position: absolute;
    top: -8px;
    left: -8px;
    width: 60%;
    height: 30%;
    background: var(--c-yellow);
    z-index: 0;
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    position: relative;
    z-index: 1;
    border: 1px solid var(--rule);
    background: var(--paper);
    filter: saturate(1.1) contrast(1.04);
}

h1 {
    font-family: var(--sans);
    font-size: clamp(56px, 9vw, 116px);
    font-weight: 700;
    line-height: 0.94;
    letter-spacing: -0.045em;
    margin: 0 0 28px;
    color: var(--ink);
}

.lede {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 36px;
    font-family: var(--mono);
    font-size: 13.5px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    line-height: 1.55;
    color: var(--ink);
    max-width: 760px;
}

.lede .label {
    color: var(--muted);
    font-size: 11px;
    letter-spacing: 0.2em;
    display: block;
    margin-bottom: 2px;
}

.lede .val { color: var(--ink); }

.header-links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    font-family: var(--mono);
    font-size: 12.5px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin: 0;
}

.header-links a {
    display: inline-flex;
    align-items: baseline;
    gap: 8px;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    padding-bottom: 2px;
    transition: border-color 0.12s, color 0.12s;
}

.header-links a::before {
    content: attr(data-num) ".";
    color: var(--muted);
    font-size: 10.5px;
    letter-spacing: 0;
}

.header-links a:hover {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.header-links .icon { display: none; }

/* =========================================================
   Nav (anchor strip)
   ========================================================= */

nav {
    border-bottom: 1px solid var(--rule);
    background: var(--bg);
    position: sticky;
    top: 0;
    z-index: 40;
}

nav .container {
    padding-top: 0;
    padding-bottom: 0;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 0;
    flex-wrap: wrap;
}

nav ul li {
    border-right: 1px solid var(--rule-soft);
}

nav ul li:last-child { border-right: 0; }

nav ul li a {
    display: inline-block;
    padding: 14px 20px;
    font-family: var(--mono);
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--ink);
    text-decoration: none;
    transition: background 0.1s, color 0.1s;
}

nav ul li a:hover {
    background: var(--ink);
    color: var(--bg);
}

/* =========================================================
   Section heading
   ========================================================= */

.section {
    padding: 56px 0 56px;
    border-bottom: 1px solid var(--rule);
}

.section:last-of-type { border-bottom: 0; }

.section h2 {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 18px;
    align-items: baseline;
    margin: 0 0 36px;
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--ink);
}

.section h2 .num {
    font-weight: 700;
    color: #fff;
    background: var(--ink);
    padding: 6px 12px;
    line-height: 1;
    align-self: center;
}

#about       h2 .num { background: var(--c-red); }
#research    h2 .num { background: var(--c-blue); }
#experience  h2 .num { background: var(--c-yellow); color: var(--ink); }
#publications h2 .num { background: var(--c-green); }
#contact     h2 .num { background: var(--c-magenta); }

.section h2 .title {
    color: var(--ink);
    border-bottom: 2px solid var(--rule);
    padding-bottom: 8px;
    transform: translateY(8px);
}

.section h2 .count {
    color: var(--muted);
    font-weight: 400;
    font-size: 11px;
}

/* About prose — set in a generous column */
.section#about p {
    max-width: 760px;
    font-size: 17.5px;
    line-height: 1.65;
    margin: 0 0 16px;
    color: var(--ink);
}

.section#about p:first-of-type::first-letter {
    font-size: 4.4em;
    font-weight: 700;
    float: left;
    line-height: 0.92;
    margin: 4px 12px 0 -2px;
    color: var(--ink);
}

/* =========================================================
   Research tags
   ========================================================= */

.tag-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    border-top: 1px solid var(--rule-soft);
    border-left: 1px solid var(--rule-soft);
}

.tag-list li {
    padding: 18px 24px;
    font-family: var(--mono);
    font-size: 12.5px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--ink);
    border-right: 1px solid var(--rule-soft);
    border-bottom: 1px solid var(--rule-soft);
    flex: 1 1 240px;
    min-width: 0;
}

.tag-list li .num {
    color: #fff;
    background: var(--ink);
    margin-right: 14px;
    font-weight: 600;
    padding: 3px 8px;
    line-height: 1;
}

.tag-list li:nth-child(1) .num { background: var(--c-red); }
.tag-list li:nth-child(2) .num { background: var(--c-blue); }
.tag-list li:nth-child(3) .num { background: var(--c-green); }
.tag-list li:nth-child(4) .num { background: var(--c-yellow); color: var(--ink); }
.tag-list li:nth-child(5) .num { background: var(--c-magenta); }

/* =========================================================
   Experience
   ========================================================= */

.experience {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 28px;
    padding: 28px 0;
    border-top: 1px solid var(--rule-soft);
}

.experience:first-of-type { border-top: 0; padding-top: 0; }

.experience-header {
    display: contents;
}

.experience-dates {
    font-family: var(--mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--muted);
    padding-top: 4px;
}

.experience-body { min-width: 0; }

.experience-role {
    margin: 0 0 4px;
    font-size: 19px;
    font-weight: 600;
    letter-spacing: -0.005em;
    color: var(--ink);
}

.experience-org {
    color: var(--muted);
    font-weight: 500;
}

.experience-org::before {
    content: "·";
    margin: 0 6px;
    color: var(--muted);
}

.experience ul {
    margin: 12px 0 0;
    padding: 0;
    list-style: none;
}

.experience ul li {
    padding-left: 22px;
    position: relative;
    margin-bottom: 6px;
    color: var(--ink-2);
    line-height: 1.55;
}

.experience ul li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--c-yellow);
    font-weight: 700;
}

.experience:nth-of-type(1) ul li::before { color: var(--c-red); }
.experience:nth-of-type(2) ul li::before { color: var(--c-blue); }

/* =========================================================
   Featured publications — tabular, no cards
   ========================================================= */

.publication {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 28px;
    align-items: start;
    padding: 28px 0;
    border-top: 1px solid var(--rule-soft);
}

.publication:first-of-type { border-top: 1px solid var(--rule); }

.paper-img {
    width: 100%;
    height: auto;
    border: 1px solid var(--rule);
    background: var(--paper);
    display: block;
    filter: saturate(1.05);
}

.paper-details { min-width: 0; }

.paper-details h3 {
    margin: 0 0 14px;
    font-size: 22px;
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.012em;
    color: var(--ink);
    max-width: 720px;
}

.paper-details p {
    margin: 8px 0;
    font-size: 14.5px;
    color: var(--ink-2);
    line-height: 1.55;
    max-width: 760px;
}

.paper-details p strong {
    color: var(--ink);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 11px;
    font-weight: 600;
    display: inline-block;
    margin-right: 6px;
}

.venue-badge {
    display: inline-block;
    background: var(--c-blue);
    color: var(--bg);
    padding: 3px 10px;
    border-radius: 0;
    font-family: var(--mono);
    font-size: 10.5px;
    font-weight: 600;
    margin-left: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    vertical-align: 4px;
}

.publication:nth-of-type(1) .venue-badge { background: var(--c-red); }
.publication:nth-of-type(2) .venue-badge { background: var(--c-green); }
.publication:nth-of-type(3) .venue-badge { background: var(--c-magenta); }

.venue-badge.spotlight {
    background: var(--c-red);
    color: var(--bg);
}

.paper-links {
    margin-top: 14px !important;
    font-family: var(--mono);
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: 0.16em;
}

.paper-links a {
    margin-right: 18px;
    text-decoration: none;
    border-bottom: 1px solid var(--rule);
    padding-bottom: 1px;
}

.paper-links a:hover {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* =========================================================
   Compact publication list (year | title | venue table)
   ========================================================= */

.pub-year {
    margin: 48px 0 0;
    padding: 12px 0 10px 18px;
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--ink);
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule-soft);
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    position: relative;
}

.pub-year::before {
    content: "";
    position: absolute;
    left: 0;
    top: 12px;
    bottom: 10px;
    width: 6px;
    background: var(--c-green);
}

.pub-year:nth-of-type(1)::before { background: var(--c-red); }   /* Featured */
.pub-year:nth-of-type(2)::before { background: var(--c-blue); }  /* 2026 */
.pub-year:nth-of-type(3)::before { background: var(--c-green); } /* 2025 */
.pub-year:nth-of-type(4)::before { background: var(--c-yellow); }/* 2024 */
.pub-year:nth-of-type(5)::before { background: var(--c-magenta); } /* 2023 */
.pub-year:nth-of-type(6)::before { background: var(--c-cobalt); }  /* Earlier */

.pub-year::after {
    content: attr(data-count);
    color: var(--muted);
    font-weight: 400;
}

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

.pub-list > li {
    display: grid;
    grid-template-columns: 90px 1fr 200px;
    gap: 24px;
    align-items: baseline;
    padding: 14px 0;
    border-bottom: 1px solid var(--rule-soft);
    transition: background 0.1s;
}

.pub-list > li:hover {
    background: rgba(0,0,0,0.025);
}

.pub-list > li .pub-num {
    font-family: var(--mono);
    font-size: 11.5px;
    color: var(--muted);
    letter-spacing: 0.1em;
}

.pub-title {
    color: var(--ink);
    font-size: 15.5px;
    line-height: 1.45;
    font-weight: 500;
}

.pub-meta {
    text-align: right;
    font-family: var(--mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
}

.pub-meta .venue { color: var(--ink); display: block; }

.pub-meta .pub-links {
    margin-top: 4px;
    font-size: 10.5px;
}

.pub-meta .pub-links a {
    margin-left: 10px;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}

.pub-meta .pub-links a:first-child { margin-left: 0; }

/* =========================================================
   Contact
   ========================================================= */

.contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-top: 1px solid var(--rule);
    border-left: 1px solid var(--rule-soft);
}

.contact-list li {
    padding: 22px 24px;
    border-right: 1px solid var(--rule-soft);
    border-bottom: 1px solid var(--rule-soft);
    font-size: 15px;
    color: var(--ink);
}

.contact-list strong {
    display: block;
    font-family: var(--mono);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--c-magenta);
}

.contact-list li:nth-child(1) strong { color: var(--c-red); }
.contact-list li:nth-child(2) strong { color: var(--c-blue); }
.contact-list li:nth-child(3) strong { color: var(--c-green); }

/* =========================================================
   Footer
   ========================================================= */

footer {
    border-top: 4px solid var(--rule);
    padding: 28px 0 36px;
    font-family: var(--mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--muted);
}

footer .container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

footer a {
    color: var(--ink);
    text-decoration: underline;
}

/* =========================================================
   Responsive
   ========================================================= */

@media (max-width: 880px) {
    .container { padding: 0 24px; }
    header { padding: 56px 0 40px; }
    .hero { grid-template-columns: 1fr; gap: 32px; }
    .hero-right { flex-direction: row; flex-wrap: wrap; gap: 24px; }
    .header-links { flex-direction: column; gap: 4px; }
    .profile-wrap { width: 110px; height: 140px; }
    h1 { font-size: clamp(48px, 14vw, 88px); }
    .lede { grid-template-columns: 1fr; gap: 8px; }
    .experience { grid-template-columns: 1fr; gap: 8px; padding: 22px 0; }
    .experience:first-of-type { padding-top: 0; }
    .publication { grid-template-columns: 100px 1fr; gap: 20px; }
    .pub-list > li { grid-template-columns: 60px 1fr; }
    .pub-list > li .pub-meta {
        grid-column: 1 / -1;
        text-align: left;
        padding-left: 84px;
        margin-top: 2px;
    }
    .contact-list { grid-template-columns: 1fr; }
    .masthead .container { flex-wrap: wrap; gap: 6px 16px; }
    .section h2 { grid-template-columns: 1fr; gap: 4px; }
    .section h2 .title { transform: none; border-bottom: 0; }
}

@media (max-width: 480px) {
    .container { padding: 0 18px; }
    body { font-size: 15px; }
    .section { padding: 40px 0; }
    .paper-details h3 { font-size: 18px; }
    .publication { grid-template-columns: 1fr; }
    .paper-img { max-width: 240px; }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; }
}