/* Professional site — elyzeo.com/stephane/
   Calm, editorial, credible. Serif headlines, generous whitespace, one accent. */

:root {
    --bg: #fbfaf7;
    --surface: #ffffff;
    --ink: #1a1a1f;
    --ink-soft: #55555f;
    --ink-faint: #8a8a94;
    --line: #e6e3dc;
    --accent: #6b3fd4;
    --accent-soft: #f0eafc;
    --ok: #1f7a4d;
    --ok-soft: #e4f4ec;
    --serif: 'Newsreader', Georgia, 'Times New Roman', serif;
    --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --max: 1080px;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg: #131316;
        --surface: #1b1b20;
        --ink: #ecebe8;
        --ink-soft: #b3b2ad;
        --ink-faint: #85848a;
        --line: #2c2c33;
        --accent: #b99bff;
        --accent-soft: #2a2340;
        --ok: #6fd3a0;
        --ok-soft: #1c3329;
    }
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
    font-family: var(--sans);
    font-size: 17px;
    line-height: 1.65;
    color: var(--ink);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

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

/* Navigation */
.nav {
    position: sticky;
    top: 0;
    z-index: 10;
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.nav-name { font-family: var(--serif); font-size: 1.25rem; color: var(--ink); font-weight: 500; white-space: nowrap; }
.nav-name:hover { text-decoration: none; }
.nav-links { display: flex; gap: 28px; list-style: none; font-size: 0.93rem; }
.nav-links a { color: var(--ink-soft); }
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.nav-links .nav-studio { color: var(--accent); }

@media (max-width: 760px) {
    .nav-links { gap: 16px; font-size: 0.85rem; }
    .nav-links .hide-sm { display: none; }
}

/* Hero */
.hero { padding: 96px 0 64px; }
.status {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 0.85rem; font-weight: 500;
    color: var(--ok); background: var(--ok-soft);
    padding: 6px 14px; border-radius: 999px; margin-bottom: 28px;
}
.status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.hero h1 {
    font-family: var(--serif); font-weight: 400;
    font-size: clamp(2.6rem, 6vw, 4.4rem); line-height: 1.05; letter-spacing: -0.02em;
    margin-bottom: 16px;
}
.hero .role { font-size: 1.15rem; color: var(--ink-soft); margin-bottom: 32px; }
.hero .intro { font-size: 1.2rem; max-width: 680px; color: var(--ink); }
.hero .intro + .intro { margin-top: 16px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }

.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 22px; border-radius: 10px; font-weight: 500; font-size: 0.95rem;
    border: 1px solid var(--line); color: var(--ink); background: var(--surface);
    transition: transform .15s ease, border-color .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); border-color: var(--ink-faint); }
.btn-primary { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn-primary:hover { border-color: var(--ink); }

/* Stats */
.stats {
    display: grid; grid-template-columns: repeat(5, 1fr); gap: 0;
    border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
    margin: 24px 0 0;
}
.stat { padding: 28px 20px 28px 0; }
.stat + .stat { padding-left: 20px; border-left: 1px solid var(--line); }
.stat-num { font-family: var(--serif); font-size: 2.3rem; line-height: 1; margin-bottom: 8px; }
.stat-label { font-size: 0.85rem; color: var(--ink-soft); line-height: 1.4; }
@media (max-width: 860px) {
    .stats { grid-template-columns: repeat(2, 1fr); }
    .stat, .stat + .stat { padding: 20px 16px 20px 0; border-left: none; border-bottom: 1px solid var(--line); }
    .stat:nth-child(even) { padding-left: 16px; border-left: 1px solid var(--line); }
    .stat:last-child { border-bottom: none; }
}

/* Photo band */
.band { margin: 80px 0 0; height: 340px; overflow: hidden; }
.band img { width: 100%; height: 100%; object-fit: cover; object-position: center 55%; }
@media (max-width: 760px) { .band { height: 220px; } }

/* Sections */
section { padding: 88px 0; }
section + section { border-top: 1px solid var(--line); }
.eyebrow {
    font-size: 0.78rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--accent); margin-bottom: 12px;
}
h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(2rem, 4vw, 2.8rem); line-height: 1.15; letter-spacing: -0.01em; margin-bottom: 20px; }
.lede { font-size: 1.1rem; color: var(--ink-soft); max-width: 680px; }

/* What I do */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.pillar { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 28px; }
.pillar h3 { font-family: var(--serif); font-weight: 500; font-size: 1.35rem; margin-bottom: 10px; }
.pillar p { color: var(--ink-soft); font-size: 0.97rem; }
@media (max-width: 860px) { .pillars { grid-template-columns: 1fr; } }

/* Experience */
.jobs { margin-top: 48px; }
.job { display: grid; grid-template-columns: 220px 1fr; gap: 32px; padding: 36px 0; border-top: 1px solid var(--line); }
.job:first-child { border-top: none; padding-top: 0; }
.job-when { font-size: 0.9rem; color: var(--ink-faint); }
.job-org { font-family: var(--serif); font-size: 1.35rem; color: var(--ink); margin-bottom: 2px; }
.job-title { font-weight: 600; margin-bottom: 14px; }
.job-title span { font-weight: 400; color: var(--ink-soft); }
.job ul { list-style: none; }
.job li { position: relative; padding-left: 20px; color: var(--ink-soft); margin-bottom: 8px; }
.job li::before { content: ""; position: absolute; left: 0; top: 0.72em; width: 8px; height: 1px; background: var(--ink-faint); }
.job li strong { color: var(--ink); font-weight: 600; }
@media (max-width: 760px) {
    .job { grid-template-columns: 1fr; gap: 8px; }
}

.early { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 16px; }
.early .pillar p { font-size: 0.93rem; }
.early .when { font-size: 0.85rem; color: var(--ink-faint); margin-bottom: 6px; }
@media (max-width: 760px) { .early { grid-template-columns: 1fr; } }

/* Two-column lists (education, expertise) */
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; margin-top: 40px; }
.cols h3 { font-family: var(--serif); font-weight: 500; font-size: 1.3rem; margin-bottom: 16px; }
.plain { list-style: none; }
.plain li { padding: 12px 0; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 0.97rem; }
.plain li strong { color: var(--ink); font-weight: 600; display: block; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.tag { font-size: 0.85rem; padding: 5px 12px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); color: var(--ink-soft); }
@media (max-width: 760px) { .cols { grid-template-columns: 1fr; gap: 40px; } }

/* Research */
.pubs { list-style: none; margin-top: 40px; }
.pub { padding: 22px 0; border-top: 1px solid var(--line); }
.pub-title { font-family: var(--serif); font-size: 1.2rem; line-height: 1.35; color: var(--ink); }
a.pub-title:hover { color: var(--accent); }
.pub-meta { font-size: 0.9rem; color: var(--ink-soft); margin-top: 6px; }
.pub-meta em { font-style: italic; }
.pub-authors { font-size: 0.85rem; color: var(--ink-faint); margin-top: 4px; }
.pub-authors b { color: var(--ink-soft); font-weight: 600; }
.badge { display: inline-block; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; padding: 2px 8px; border-radius: 6px; margin-left: 8px; vertical-align: 2px; }
.badge-granted { background: var(--ok-soft); color: var(--ok); }
.badge-pending { background: var(--accent-soft); color: var(--accent); }

.more { margin-top: 32px; font-weight: 500; }

.tabs { display: flex; gap: 8px; margin-top: 32px; flex-wrap: wrap; }
.tab {
    font: inherit; font-size: 0.9rem; cursor: pointer;
    padding: 8px 16px; border-radius: 999px; border: 1px solid var(--line);
    background: var(--surface); color: var(--ink-soft);
}
.tab[aria-pressed="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.year { font-family: var(--serif); font-size: 1.6rem; color: var(--ink-faint); margin: 40px 0 0; }
.author-toggle { font: inherit; font-size: 0.8rem; background: none; border: none; color: var(--accent); cursor: pointer; padding: 0; margin-left: 4px; }

/* Studio bridge */
.bridge {
    display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center;
    background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 48px;
}
.bridge-apps { display: flex; gap: 20px; justify-content: center; }
.bridge-apps figure { text-align: center; font-size: 0.85rem; color: var(--ink-soft); }
.bridge-apps img { width: 104px; height: 104px; border-radius: 24px; box-shadow: 0 10px 30px rgba(60, 30, 120, 0.18); margin: 0 auto 10px; }
@media (max-width: 760px) {
    .bridge { grid-template-columns: 1fr; padding: 32px 24px; gap: 32px; }
    .bridge-apps img { width: 84px; height: 84px; border-radius: 20px; }
}

/* Contact */
.contact { text-align: center; }
.contact .lede { margin: 0 auto; }
.contact .actions { justify-content: center; }

footer { border-top: 1px solid var(--line); padding: 32px 0 48px; font-size: 0.88rem; color: var(--ink-faint); }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer a { color: var(--ink-soft); }