/* ============================================================
   Francesco Febbraro — personal site
   Palette: warm parchment background (#f7f5ef), navy ink (#1c2433),
   ochre accent (#a96e2c), restrained blue links (#2f5d8a).
   Type: Spectral (display serif) + Inter (body/utility), via Google Fonts.
   Photo sits left of the name in the hero row.
   ============================================================ */

:root {
    --ink:        #1c2433;   /* near-navy text */
    --ink-soft:   #44506a;   /* secondary text */
    --parchment:  #f7f5ef;   /* warm parchment background */
    --card:       #ffffff;
    --rule:       #d9d4c6;   /* hairline */
    --accent:     #a96e2c;   /* ochre */
    --accent-dim: #c9a877;
    --link:       #2f5d8a;   /* restrained blue for links */
    --heading:    #1c2433;   /* headings share the ink navy */
    --maxw:       720px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--parchment);
    color: var(--ink);
    font-family: "Inter", system-ui, -apple-system, sans-serif;
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.wrap {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 24px 96px;
}

/* ---------- Nav ---------- */
nav.top {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 28px 24px 0;
    display: flex;
    gap: 28px;
    align-items: baseline;
    font-size: 15px;
    letter-spacing: 0.01em;
}
nav.top a {
    color: var(--ink-soft);
    text-decoration: none;
    padding-bottom: 4px;
    border-bottom: 2px solid transparent;
    transition: color .15s, border-color .15s;
}
nav.top a:hover { color: var(--ink); }
nav.top a.active {
    color: var(--ink);
    border-bottom-color: var(--accent);
}

/* ---------- Header / hero ---------- */
header.hero {
    padding: 56px 0 30px;
}
.hero-row {
    display: flex;
    align-items: center;
    gap: 26px;
}
.hero-photo {
    width: 150px;
    height: 150px;
    flex: none;
    object-fit: cover;
    border-radius: 50%;
    border: 1px solid var(--rule);
}
.hero h1 {
    color: var(--heading);
    font-family: "Spectral", Georgia, serif;
    font-weight: 600;
    font-size: 2.6rem;
    line-height: 1.05;
    letter-spacing: -0.01em;
    margin: 0 0 6px;
}
.hero .affil {
    font-size: 1.02rem;
    color: var(--ink-soft);
    margin: 0;
}

/* ---------- Prose ---------- */
p { margin: 0 0 18px; }
a { color: var(--link); text-decoration: none; border-bottom: 1px solid rgba(47,93,138,0.25); }
a:hover { border-bottom-color: var(--link); }
strong { font-weight: 600; }

section { margin-top: 44px; }

h2 {
    font-family: "Spectral", Georgia, serif;
    font-weight: 600;
    font-size: 1.04rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--heading);
    margin: 0 0 18px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--rule);
}

h3 {
    color: var(--heading);
    font-family: "Spectral", Georgia, serif;
    font-weight: 600;
    font-size: 1.12rem;
    margin: 0 0 4px;
}

.focus-item { margin-bottom: 16px; }
.focus-item .lead { font-weight: 600; color: var(--ink); }

/* ---------- Updates feed ---------- */
.feed { list-style: none; padding: 0; margin: 0; }
.feed li {
    display: grid;
    grid-template-columns: 96px 1fr;
    gap: 16px;
    padding: 12px 0;
    border-bottom: 1px solid var(--rule);
}
.feed li:last-child { border-bottom: none; }
.feed .when {
    font-size: 0.82rem;
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 0.02em;
    padding-top: 2px;
}

/* ---------- Paper entries ---------- */
.paper { margin-bottom: 30px; }
.entry-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 16px;
}
.entry-head h3 { margin: 0; }
.entry-date {
    flex: none;
    font-size: 0.9rem;
    color: var(--ink-soft);
    white-space: nowrap;
}
.paper .ptitle { font-family: "Spectral", serif; font-size: 1.12rem; font-weight: 600; margin: 0 0 4px; }
.paper .authors { color: var(--ink-soft); font-size: 0.95rem; margin: 0 0 8px; }
.paper .status {
    display: inline-block;
    font-size: 0.74rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--accent);
    border: 1px solid var(--accent-dim);
    border-radius: 2px;
    padding: 1px 7px;
    margin-bottom: 8px;
}
.paper .abstract { font-size: 0.96rem; color: var(--ink-soft); }
.paper .sublabel {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    font-weight: 600;
    margin: 16px 0 4px;
}
.paper .paper-meta {
    font-size: 0.94rem;
    color: var(--ink-soft);
    margin: 0;
}

/* ---------- Contact ---------- */
.contact-grid { font-size: 0.96rem; line-height: 1.7; }
.contact-grid .label {
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-soft);
    margin-top: 14px;
}

.disclaimer {
    margin-top: 56px;
    padding-top: 18px;
    border-top: 1px solid var(--rule);
    font-size: 0.82rem;
    color: var(--ink-soft);
    font-style: italic;
}

/* ---------- Responsive ---------- */
@media (max-width: 540px) {
    body { font-size: 16px; }
    .hero h1 { font-size: 2.1rem; }
    .hero-row { flex-direction: column; align-items: flex-start; gap: 16px; }
    .feed li { grid-template-columns: 70px 1fr; gap: 12px; }
    .wrap { padding-bottom: 64px; }
}