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

:root {
    --bg:        #ffffff;
    --primary:   #1d1d1f;
    --secondary: #6e6e73;
    --tertiary:  #86868b;
    --accent:    #4a9b8e;
    --font:      'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, monospace;
    --width:     960px;
    --pad:       2.5rem;
    --nav-h:     52px;
}

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--primary);
    font-family: var(--font);
    font-size: 17px;
    line-height: 1.7;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }


/* ─── NAV ─────────────────────────────────────── */

nav {
    position: sticky;
    top: 0;
    z-index: 100;
    width: 100%;
    height: var(--nav-h);
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(0,0,0,0.07);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 max(var(--pad), calc((100% - var(--width)) / 2 + var(--pad)));
}

.nav-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: -0.01em;
}
.nav-name:hover { text-decoration: none; }

.nav-links {
    list-style: none;
    display: flex;
    gap: 2.25rem;
}
.nav-links a {
    font-size: 0.8rem;
    color: var(--secondary);
    letter-spacing: 0.01em;
}
.nav-links a:hover { color: var(--primary); text-decoration: none; }

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--secondary);
    font-family: var(--font);
    font-size: 0.8rem;
    cursor: pointer;
    padding: 0;
}


/* ─── MAIN ────────────────────────────────────── */

main {
    max-width: var(--width);
    margin: 0 auto;
    padding: 0 var(--pad);
}

section { padding: 4.5rem 0; }


/* ─── HERO ────────────────────────────────────── */

#hero {
    padding-top: 6rem;
    padding-bottom: 5.5rem;
}

#hero h1 {
    font-size: clamp(3rem, 7vw, 5.25rem);
    font-weight: 600;
    letter-spacing: -0.035em;
    line-height: 1.04;
    color: var(--primary);
    margin-bottom: 2.75rem;
}

.hero-sub {
    display: grid;
    grid-template-columns: 1fr 230px;
    column-gap: 4.5rem;
    align-items: start;
}

.tagline {
    font-size: clamp(1.2rem, 2vw, 1.45rem);
    font-weight: 400;
    color: var(--primary);
    letter-spacing: -0.015em;
    line-height: 1.45;
}

.hero-meta { padding-top: 0.1rem; }

.role {
    font-family: var(--font-mono);
    font-size: 0.9rem;           /* increased from 0.76rem */
    color: var(--primary);
    letter-spacing: 0.01em;
    line-height: 1.65;
    margin-bottom: 0.6rem;
}

.location {
    font-size: 0.78rem;
    color: var(--tertiary);
    margin-bottom: 1.4rem;
    letter-spacing: 0.01em;
}

.hero-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.55rem;
    font-size: 0.82rem;
}
.hero-links a,
.hero-links .dot { color: var(--secondary); }
.hero-links a:hover { color: var(--primary); text-decoration: none; }


/* ─── SECTION ROWS ────────────────────────────── */

.row {
    display: grid;
    grid-template-columns: 190px 1fr;
    column-gap: 4.5rem;
    align-items: start;
}

h2 {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--secondary);
    position: sticky;
    top: calc(var(--nav-h) + 2rem);
}


/* ─── ABOUT ───────────────────────────────────── */

.lead {
    font-size: 1.1rem;
    color: var(--primary);
    line-height: 1.72;
    letter-spacing: -0.008em;
    margin-bottom: 1.5rem;
}

#about .col p:not(.lead) {
    font-size: 0.95rem;
    color: var(--secondary);
    line-height: 1.78;
}
#about .col p + p { margin-top: 1.1rem; }


/* ─── RESEARCH INTERESTS ──────────────────────── */

ul.interests {
    list-style: none;
    padding: 0;
}
ul.interests li {
    position: relative;
    padding-left: 1.1rem;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    color: var(--secondary);
    line-height: 1.65;
}
ul.interests li::before {
    content: '–';
    position: absolute;
    left: 0;
    color: var(--tertiary);
    font-size: 0.8rem;
    top: 0.15em;
}


/* ─── ENTRIES (work + projects) ───────────────── */

.entry + .entry {
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(0,0,0,0.08);
}

.entry-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: -0.01em;
    line-height: 1.4;
    margin-bottom: 0.3rem;
}

.entry-date {
    font-family: var(--font-mono);
    font-size: 0.73rem;
    color: var(--tertiary);
    letter-spacing: 0.02em;
    margin-bottom: 1.2rem;
}

.entry-status {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--accent);
    letter-spacing: 0.02em;
    margin-bottom: 0.85rem;
}

.entry ul {
    list-style: none;
    padding: 0;
}
.entry ul li {
    position: relative;
    padding-left: 1.1rem;
    margin-bottom: 0.6rem;
    font-size: 0.91rem;
    color: var(--secondary);
    line-height: 1.7;
}
.entry ul li::before {
    content: '–';
    position: absolute;
    left: 0;
    color: var(--tertiary);
}

#projects .entry p:not(.entry-title):not(.entry-status) {
    font-size: 0.91rem;
    color: var(--secondary);
    line-height: 1.72;
    margin-top: 0.5rem;
}


/* ─── CV ──────────────────────────────────────── */

#cv .col p {
    font-size: 0.91rem;
    color: var(--secondary);
    margin-bottom: 1.25rem;
}

.cv-link {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.93rem;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: -0.01em;
}
.cv-link:hover { color: var(--accent); text-decoration: none; }

.cv-tag {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--tertiary);
    letter-spacing: 0.08em;
    border: 1px solid rgba(0,0,0,0.15);
    padding: 0.15em 0.45em;
    border-radius: 3px;
    font-weight: 400;
}


/* ─── CONTACT ─────────────────────────────────── */

#contact .col p { font-size: 0.95rem; color: var(--secondary); }
#contact .col p + p { margin-top: 0.65rem; }

#contact a[href^="mailto"] {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: -0.015em;
}
#contact a[href^="mailto"]:hover { color: var(--accent); text-decoration: none; }

.contact-links {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin-top: 2rem;
    font-size: 0.82rem;
}
.contact-links a,
.contact-links .dot { color: var(--secondary); }
.contact-links a:hover { color: var(--primary); text-decoration: none; }


/* ─── SHARED ──────────────────────────────────── */

.dot { opacity: 0.35; }


/* ─── RESPONSIVE ──────────────────────────────── */

@media (max-width: 700px) {
    nav { padding: 0 1.5rem; }

    .nav-toggle { display: block; }
    .nav-links {
        display: none;
        position: absolute;
        top: var(--nav-h);
        left: 0; right: 0;
        background: rgba(255,255,255,0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        gap: 0;
        border-bottom: 1px solid rgba(0,0,0,0.07);
    }
    .nav-links.open { display: flex; }
    .nav-links li a {
        display: block;
        padding: 0.85rem 1.5rem;
        font-size: 0.9rem;
        border-top: 1px solid rgba(0,0,0,0.06);
    }

    main { padding: 0 1.5rem; }
    section { padding: 3rem 0; }
    #hero { padding-top: 3.5rem; padding-bottom: 3rem; }

    .hero-sub {
        grid-template-columns: 1fr;
        gap: 2.25rem;
    }

    .row { grid-template-columns: 1fr; }
    h2 { position: static; margin-bottom: 1.75rem; }

    ul.news-list li {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }
}