/* ---------- Thème ---------- */
:root {
  --bg: #fafaf8;
  --surface: #ffffff;
  --text: #1c1b19;
  --muted: #5f5c57;
  --line: #e7e4df;
  --accent: #0f6b62;
  --accent-soft: #e3f0ee;
  --radius: 14px;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111211;
    --surface: #181a19;
    --text: #e9e7e3;
    --muted: #a19d97;
    --line: #2a2c2b;
    --accent: #6fd3c4;
    --accent-soft: #1b2b29;
  }
}

/* ---------- Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  line-height: 1.25;
  margin: 0;
  font-weight: 600;
}

p { margin: 0 0 1rem; }

a {
  color: var(--accent);
  text-underline-offset: 3px;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

strong { font-weight: 600; }

.wrap {
  width: 100%;
  max-width: 52rem;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  padding: .5rem 1rem;
  background: var(--accent);
  color: var(--bg);
  border-radius: 8px;
  z-index: 20;
}
.skip-link:focus { top: 1rem; }

/* ---------- En-tête ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 3.75rem;
}

.nav-brand {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  letter-spacing: .02em;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: .95rem;
}
.nav-links a:hover { color: var(--text); }

.nav-links .lang-switch {
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .05em;
  padding: .15rem .5rem;
  border: 1px solid var(--line);
  border-radius: 6px;
}
.nav-links .lang-switch:hover { border-color: var(--muted); }

@media (max-width: 34rem) {
  .nav-links { gap: 1rem; }
  .nav-links li:nth-child(3) { display: none; } /* « Compétences » : la barre reste lisible sur téléphone */
}

/* ---------- Présentation ---------- */
.hero {
  padding-top: clamp(4rem, 12vw, 7.5rem);
  padding-bottom: 3rem;
}

.eyebrow {
  color: var(--accent);
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: .75rem;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.75rem, 9vw, 4.5rem);
  font-weight: 500;
  letter-spacing: -.02em;
  margin-bottom: 1.25rem;
}

.lead {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 38rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 2rem;
}

.btn {
  display: inline-block;
  padding: .7rem 1.3rem;
  border-radius: 999px;
  font-size: .95rem;
  font-weight: 500;
  text-decoration: none;
  transition: background-color .15s, border-color .15s, color .15s;
}

.btn-primary {
  background: var(--text);
  color: var(--bg);
  border: 1px solid var(--text);
}
.btn-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.btn-ghost {
  color: var(--text);
  border: 1px solid var(--line);
}
.btn-ghost:hover { border-color: var(--muted); }

.facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 4rem 0 0;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.facts dt {
  font-weight: 600;
}

.facts dd {
  margin: 0;
  color: var(--muted);
  font-size: .95rem;
}

@media (max-width: 40rem) {
  .facts { grid-template-columns: 1fr; gap: 1rem; }
}

/* ---------- Sections ---------- */
.section {
  padding-block: 3.5rem;
}

.section-title {
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.section-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

.subsection-title {
  font-size: 1.05rem;
  margin: 2.5rem 0 1rem;
}
.subsection-first { margin-top: 0; }

.subsection-intro {
  color: var(--muted);
  max-width: 40rem;
  margin: -.25rem 0 1.25rem;
}

/* ---------- Centres d'intérêt ---------- */
.hobbies {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.hobbies li {
  padding: 1.25rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  font-family: var(--font-serif);
  font-size: 1.2rem;
  text-align: center;
}

@media (max-width: 40rem) {
  .hobbies { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Cartes ---------- */
.cards {
  display: grid;
  gap: 1rem;
}
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-2 { grid-template-columns: repeat(2, 1fr); }

@media (max-width: 46rem) {
  .cards-3,
  .cards-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.card h3,
.card h4 {
  font-size: 1.05rem;
  margin-bottom: .5rem;
}

.card p {
  color: var(--muted);
  font-size: .97rem;
}

.card .tags { margin-top: auto; }

.card-wide { grid-column: 1 / -1; }

.card-kicker {
  color: var(--accent);
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: .4rem;
}

/* ---------- Étiquettes ---------- */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  list-style: none;
  margin: .25rem 0 0;
  padding: 0;
}

.tags li {
  font-size: .8rem;
  padding: .2rem .65rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  white-space: nowrap;
}

/* ---------- Frise chronologique ---------- */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}

.timeline-item {
  display: grid;
  grid-template-columns: 10rem 1fr;
  gap: 1.5rem;
  padding-bottom: 2.75rem;
}
.timeline-item:last-child { padding-bottom: 0; }

.timeline-date {
  color: var(--muted);
  font-size: .9rem;
  padding-top: .15rem;
  font-variant-numeric: tabular-nums;
}

.timeline-body {
  border-left: 1px solid var(--line);
  padding-left: 1.5rem;
  position: relative;
}
.timeline-body::before {
  content: "";
  position: absolute;
  left: -5px;
  top: .5rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--bg);
}

.timeline-body h3 {
  font-size: 1.15rem;
}

.timeline-org {
  color: var(--accent);
  font-size: .95rem;
  margin: .2rem 0 .9rem;
}

.timeline-body > p:not(.timeline-org),
.timeline-body > ul:not(.tags) {
  color: var(--muted);
}

.timeline-body > ul:not(.tags) {
  padding-left: 1.1rem;
  margin: 0 0 1rem;
}
.timeline-body > ul:not(.tags) li { margin-bottom: .35rem; }
.timeline-body > ul:not(.tags) li::marker { color: var(--accent); }

@media (max-width: 40rem) {
  .timeline-item {
    grid-template-columns: 1fr;
    gap: .25rem;
  }
  .timeline-date { padding-left: 1.5rem; }
}

/* ---------- Compétences ---------- */
.skills {
  margin: 0;
}

.skill-row {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 1.5rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}
.skill-row:first-child { padding-top: 0; }
.skill-row:last-child { border-bottom: 0; }

.skill-row dt { font-weight: 600; }
.skill-row dd {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 40rem) {
  .skill-row {
    grid-template-columns: 1fr;
    gap: .25rem;
  }
}

/* ---------- Listes simples ---------- */
.plain-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.plain-list li {
  padding: .6rem 0;
  border-bottom: 1px solid var(--line);
}
.plain-list li:last-child { border-bottom: 0; padding-bottom: 0; }

.plain-list strong,
.plain-list span { display: block; }

.plain-list span {
  color: var(--muted);
  font-size: .93rem;
}

/* ---------- Contact ---------- */
.contact {
  padding-bottom: 5rem;
}

.contact-mail {
  display: inline-block;
  margin-top: .5rem;
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 5vw, 2rem);
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
  overflow-wrap: anywhere;
}
.contact-mail:hover { color: var(--accent); }
.contact-mail[hidden] { display: none; }

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
}

.contact-links a {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  text-decoration: none;
  font-size: .95rem;
  transition: border-color .15s, color .15s;
}
.contact-links a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------- Page 404 ---------- */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.error {
  padding-block: 4rem;
}

.error-code {
  font-family: var(--font-serif);
  font-size: clamp(5rem, 22vw, 9rem);
  line-height: 1;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.error h1 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(2rem, 6vw, 2.75rem);
  margin-bottom: .75rem;
}

.error .lead { margin-bottom: 1.75rem; }

.error-alt {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.error-alt h2 {
  font-size: 1.05rem;
  color: var(--text);
  margin-bottom: .25rem;
}

.error-alt p { margin-bottom: 1.25rem; }

/* ---------- Pied de page ---------- */
.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .5rem 1.5rem;
  padding-block: 2rem 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .88rem;
}
.site-footer p { margin: 0; }
.site-footer a { color: inherit; }
.site-footer a:hover { color: var(--accent); }

/* ---------- Impression ---------- */
@media print {
  .site-header, .skip-link, .hero-actions { display: none; }
  body { background: #fff; color: #000; }
  .card { break-inside: avoid; }
}