/* ===== Variables (couleurs, espacements) — à modifier ici ===== */
:root {
  --bg: #0f1115;
  --bg-alt: #161a21;
  --surface: #1c212a;
  --border: #2a303b;
  --text: #e6e9ef;
  --muted: #a3acba;
  --accent: #5b9dff;
  --ph: #f5c26b;          /* couleur des placeholders à remplir */
  --radius: 12px;
  --max: 960px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ===== Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 4.5rem; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; }
p { margin: 0 0 1em; }
a { color: var(--accent); }
a:focus-visible, .btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.container { width: min(100% - 2.5rem, var(--max)); margin-inline: auto; }

/* Placeholders : bien visibles pour ne pas les oublier */
.ph { color: var(--ph); font-style: italic; }

/* Lien d'évitement (accessibilité clavier) */
.skip-link { position: absolute; left: -999px; top: 0; background: var(--accent); color: var(--bg); padding: .5rem 1rem; z-index: 100; }
.skip-link:focus { left: 1rem; top: 1rem; }

/* ===== En-tête ===== */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(15, 17, 21, .85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 3.75rem; }
.logo {
  font-weight: 800; text-decoration: none; color: var(--bg); background: var(--accent);
  border-radius: 8px; padding: .15rem .5rem; letter-spacing: .02em;
}
.nav-links { display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; 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); }

/* ===== Hero ===== */
.hero { padding: clamp(4rem, 12vw, 8rem) 0 clamp(3rem, 8vw, 5rem); }
.job-title { font-size: clamp(1.2rem, 3vw, 1.6rem); font-weight: 600; color: var(--accent); margin-bottom: .75rem; }
.hero h1 { margin-bottom: .25rem; font-size: clamp(2.5rem, 8vw, 4.25rem); letter-spacing: -.02em; }
.lead { font-size: clamp(1.1rem, 2.5vw, 1.35rem); color: var(--muted); max-width: 40ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.contact-inline { display: flex; flex-wrap: wrap; gap: .35rem 1.25rem; list-style: none; margin: 1.5rem 0 0; padding: 0; color: var(--muted); font-size: .95rem; }
.contact-inline a { color: var(--text); text-decoration-color: var(--border); text-underline-offset: 3px; overflow-wrap: anywhere; }
.btn {
  display: inline-block; padding: .7rem 1.25rem; border-radius: 999px;
  border: 1px solid var(--border); color: var(--text); text-decoration: none; font-weight: 600;
  transition: border-color .2s, background .2s;
}
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--bg); }
.btn-primary:hover { background: #7fb3ff; }

/* ===== Sections ===== */
.section { padding: clamp(3rem, 8vw, 5rem) 0; border-top: 1px solid var(--border); }
.section:nth-of-type(odd) { background: var(--bg-alt); }
.section h2 { font-size: clamp(1.6rem, 4vw, 2rem); margin-bottom: 1.25rem; }
.section h2::after { content: ""; display: block; width: 2.5rem; height: 3px; background: var(--accent); margin-top: .5rem; border-radius: 2px; }

/* ===== Parcours (frise) ===== */
.timeline { list-style: none; margin: 0; padding: 0 0 0 1.5rem; border-left: 2px solid var(--border); }
.timeline-item { position: relative; padding-bottom: 2rem; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ""; position: absolute; left: calc(-1.5rem - 7px); top: .45rem;
  width: 12px; height: 12px; border-radius: 50%; background: var(--accent); border: 2px solid var(--bg);
}
.timeline-date { color: var(--muted); font-size: .9rem; margin-bottom: .5rem; }
.bullets { margin: 0; padding-left: 1.2rem; }
.bullets li { margin-bottom: .4rem; }
.bullets li::marker { color: var(--accent); }
.timeline-item h3 { font-size: 1.2rem; margin-bottom: .2rem; }
.timeline-org { color: var(--accent); font-weight: 600; margin-bottom: .1rem; }

/* ===== Compétences ===== */
.tags { display: flex; flex-wrap: wrap; gap: .6rem; list-style: none; margin: 0; padding: 0; }
.tags li { background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: .4rem .9rem; font-size: .95rem; }

.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; }
.skills-grid h3 { font-size: 1rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: .75rem; }
.section-compact { padding: clamp(2.25rem, 6vw, 3.5rem) 0; }

/* ===== Projets ===== */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.25rem; }
.card {
  display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem; transition: border-color .2s, transform .2s;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card h3 { font-size: 1.15rem; }
.project { margin: 0 0 1rem; font-size: .95rem; }
.project dt { color: var(--muted); font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; margin-top: .6rem; }
.project dd { margin: .1rem 0 0; }
.card-link { margin-top: auto; font-weight: 600; }

/* ===== Contact ===== */
.contact-list { list-style: none; margin: 1.5rem 0 0; padding: 0; display: grid; gap: .75rem; max-width: 32rem; }
.contact-list a, .contact-item {
  display: flex; gap: 1rem; align-items: baseline; padding: .9rem 1.1rem; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius); text-decoration: none; color: var(--text);
  overflow-wrap: anywhere;
}
.contact-list a:hover { border-color: var(--accent); }
.contact-label { min-width: 5.5rem; color: var(--muted); font-size: .9rem; font-weight: 600; }

/* ===== Pied de page ===== */
.site-footer { border-top: 1px solid var(--border); padding: 2rem 0; color: var(--muted); font-size: .9rem; text-align: center; }
.site-footer p { margin: 0; }

/* ===== Mobile ===== */
@media (max-width: 640px) {
  .nav { flex-direction: column; align-items: flex-start; padding: .6rem 0; gap: .4rem; }
  .nav-links { gap: .15rem .9rem; }
  .nav-links a { font-size: .9rem; }
  .site-header { position: static; }
  .contact-inline { flex-direction: column; }
  .contact-list a, .contact-item { flex-direction: column; gap: .1rem; }
}

/* Réduire les animations si demandé */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* ===== Impression : CV sobre sur fond blanc, format A4 ===== */
@page { size: A4; margin: 11mm 14mm; }
@media print {
  :root { --text: #111; --muted: #444; --accent: #1f4e9a; --border: #ccc; --ph: #8a5a00; }
  html, body { background: #fff !important; color: var(--text); font-size: 10pt; line-height: 1.4; }
  .site-header, .skip-link, .hero-actions, .site-footer, #contact > .container > p { display: none !important; }
  .container { width: 100%; }
  .hero { padding: 0 0 8pt; border-bottom: 1.5pt solid var(--accent); }
  .hero h1 { font-size: 22pt; }
  .job-title { font-size: 13pt; margin-bottom: 4pt; }
  .lead { font-size: 10.5pt; max-width: none; margin-bottom: 0; }
  .contact-inline { margin-top: 6pt; font-size: 9.5pt; gap: 2pt 12pt; }
  .contact-inline a { color: var(--text); text-decoration: none; }
  .section, .section-compact, .section:nth-of-type(odd) { background: none !important; border: 0; padding: 8pt 0 0; }
  .section h2 { font-size: 12.5pt; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 5pt; border-bottom: .75pt solid var(--border); padding-bottom: 2pt; }
  .section h2::after { display: none; }
  h2, h3 { break-after: avoid; }
  .timeline-item, .card, .skills-grid > div { break-inside: avoid; }
  .timeline { border: 0; padding: 0; }
  .timeline-item { padding-bottom: 6pt; }
  .timeline-item::before { display: none; }
  .timeline-item h3 { font-size: 11pt; }
  .timeline-date { margin-bottom: 2pt; }
  .bullets li { margin-bottom: 1pt; }
  .skills-grid { grid-template-columns: repeat(3, 1fr); gap: 8pt; }
  .skills-grid h3 { font-size: 9pt; margin-bottom: 3pt; }
  .tags { gap: 3pt; }
  .tags li { background: none; border: .5pt solid var(--border); padding: 1pt 6pt; font-size: 9pt; }
  .cards { grid-template-columns: repeat(3, 1fr); gap: 8pt; }
  .card { background: none; border: .5pt solid var(--border); padding: 6pt 8pt; transform: none !important; }
  .card h3 { font-size: 10.5pt; }
  .project { font-size: 9pt; margin-bottom: 3pt; }
  .project dt { font-size: 7.5pt; margin-top: 3pt; }
  .card-link { display: none; }
  .contact-list { display: flex; flex-wrap: wrap; gap: 2pt 14pt; margin: 0; max-width: none; }
  .contact-list a, .contact-item { background: none; border: 0; padding: 0; color: var(--text); display: inline; }
  .contact-label { min-width: 0; margin-right: 4pt; }
  a { color: var(--text); text-decoration: none; }
}

/* Ligne « Technologies » sous une expérience */
.timeline-tech { margin: .6rem 0 0; font-size: .95rem; color: var(--muted); }
.timeline-tech strong { color: var(--text); }

/* Étiquette et note des cartes projets */
.card-label { font-size: .8rem; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: .06em; margin-bottom: .4rem; }
.card-note { margin: auto 0 0; font-size: .9rem; color: var(--muted); font-style: italic; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
@media print {
  .card-label { font-size: 7.5pt; margin-bottom: 2pt; }
  .card-note { font-size: 8pt; }
  .card-link { display: inline; font-size: 8.5pt; }
  .card-link::after { content: " : " attr(href); }
  .card-link .visually-hidden { display: none; }
}

/* Impression : CV sur une page — carte perso plus large, contact déjà en tête de page */
@media print {
  .cards { grid-template-columns: 1fr 1fr 2fr; align-items: start; }
  .card-note { margin-top: 4pt; }
  #contact { display: none !important; }
}
@media print {
  html, body { font-size: 9.5pt; line-height: 1.35; }
  .section, .section-compact, .section:nth-of-type(odd) { padding-top: 6pt; }
  .hero h1 { font-size: 20pt; }
}
@media print {
  html, body { line-height: 1.3; }
  .timeline-item { padding-bottom: 3pt; }
  .section h2 { margin-bottom: 4pt; }
}

/* Cartes projets : hauteur selon le contenu (évite les grandes cartes vides) */
.cards { align-items: start; }
.card-note { margin-top: .75rem; }