:root {
  --text: #4a4a4a;
  --muted: #7a7a7a;
  --line: #e8e8e8;
  --rule: #b5b5b5;
  --dark: #363636;
  --accent: #4a4a4a;
  --tag-bg: #f5f5f5;
  --max: 1008px;
}

* { box-sizing: border-box; }

html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  background: #fff;
  font-family: "system-ui", -apple-system, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

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

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

h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--dark);
  text-align: center;
  margin: 0 0 .85rem;
  padding: .3rem;
  border-bottom: 1px solid var(--rule);
}
h3 { font-size: 1.5rem; font-weight: 600; margin: 0 0 .3rem; color: var(--dark); }
h4 { font-size: 1rem; font-weight: 700; margin: 1rem 0 .3rem; color: var(--dark); }

ul { margin: .4rem 0; padding-left: 1.2rem; }

/* ---------------- Layout ---------------- */
.section { padding: 1.5rem 0; }

.columns { display: flex; flex-wrap: wrap; gap: 2rem; }
.columns .col { flex: 1 1 300px; }
.columns .col:first-child { flex-grow: 5; }
.columns .col:last-child { flex-grow: 7; }

/* ---------------- Hero ---------------- */
.hero { text-align: center; padding: 3rem 0 2rem; }
.hero .portrait {
  width: 180px; height: 180px; border-radius: 50%;
  object-fit: cover; box-shadow: 0 .5em 1em -.125em rgba(10,10,10,.15);
}
.hero .name { font-size: 2rem; font-weight: 600; margin: 1rem 0 .5rem; color: var(--dark); }
.subtitles { list-style: none; padding: 0; margin: 0 0 1rem; color: var(--text); font-weight: 700; font-size: .95rem; }
.subtitles li { display: block; line-height: 1.5; }
.location {
  color: var(--muted); font-size: .95rem;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: .55rem 0; margin: 1rem 0 0;
}
.location img { vertical-align: middle; }

/* ---------------- Social ---------------- */
.social { display: flex; justify-content: center; gap: 1.2rem; margin-top: 1.2rem; }
.social img { width: 28px; height: 28px; opacity: .75; transition: opacity .2s; }
.social a:hover img { opacity: 1; }

/* ---------------- Skills ---------------- */
.bullets { padding-left: 1.1rem; }
.bullets li { margin-bottom: .35rem; }

/* ---------------- Expérience (CV) ---------------- */
.cv-item { display: flex; gap: 1.5rem; margin-bottom: 2rem; }
.cv-meta {
  flex: 0 0 130px; text-align: right; font-size: .8rem; color: var(--muted);
}
.cv-meta .dates { font-weight: 600; }
.cv-meta .city { margin: .2rem 0; }
.cv-meta .type { margin-top: .6rem; }
.cv-meta .type img { display: inline-block; }
.cv-meta .type-label { display: block; font-style: italic; font-size: .72rem; }
.cv-body {
  flex: 1 1 auto; border-left: 2px solid var(--line); padding-left: 1.5rem;
  display: flex; flex-wrap: wrap; align-items: flex-start; column-gap: 1rem;
}
.cv-text { flex: 1 1 60%; min-width: 0; }
.employer { color: var(--text); font-weight: 700; margin-bottom: .6rem; }
.employer .contract { color: var(--muted); font-weight: 400; }
.content p { margin: .4rem 0; }
.content ul { margin: .4rem 0; }

.tags { display: flex; flex-wrap: wrap; gap: .4rem; margin: .8rem 0; }
/* tags d'outils au niveau de l'item : colonne étroite à droite du corps */
.cv-body > .tags { flex: 0 0 70px; flex-direction: column; align-items: flex-start; margin-top: .1rem; }
.cv-body > details.projects { flex: 1 1 100%; }
.tag {
  background: var(--tag-bg); color: var(--text); font-size: .7rem;
  padding: .15rem .5rem; border-radius: 4px; white-space: nowrap;
}

details.projects { margin-top: .8rem; border: 1px solid var(--line); border-radius: 4px; }
details.projects summary {
  cursor: pointer; padding: .5rem .8rem; font-weight: 600; font-size: .85rem;
  background: #fafafa; user-select: none;
}
details.projects[open] summary { border-bottom: 1px solid var(--line); }
.projects-body { padding: .3rem 1rem 1rem; font-size: .9rem; }
.projects-body ul.url { padding-left: 1.1rem; }
.projects-body ul.url a { word-break: break-all; }

/* ---------------- Formation ---------------- */
.edu-item {
  display: grid;
  grid-template-columns: 70px 1.4fr 1.2fr 1.4fr;
  gap: 1rem; align-items: baseline;
  padding: .6rem 0; border-bottom: 1px solid #f2f2f2;
}
.edu-year { font-weight: 600; }
.edu-title { font-weight: 700; color: var(--dark); }
.edu-topic { color: var(--muted); }
.prix { font-size: .8rem; color: var(--muted); font-style: italic; }
.edu-footer { font-style: italic; color: var(--muted); text-align: center; margin-top: 1rem; }

/* ---------------- Timeline ---------------- */
.timeline-wrap { width: 100%; overflow-x: auto; }
.timeline-wrap svg { width: 100%; height: auto; display: block; min-width: 560px; }
/* couleurs des segments par type (comme le thème d'origine) */
.timeline .item.edu circle, .timeline .item.edu line { stroke: #6000c1; }
.timeline .item.chem circle, .timeline .item.chem line { stroke: #049ac2; }
.timeline .item.de circle, .timeline .item.de line,
.timeline .item.it circle, .timeline .item.it line { stroke: #990000; }

/* ---------------- Tables (outils / langues) ---------------- */
.tools-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; }
.tbl { width: 100%; border-collapse: collapse; font-size: .9rem; }
.tbl th {
  text-align: left; font-weight: 700; color: var(--dark);
  border-bottom: 2px solid var(--line); padding: .4rem .3rem;
}
.tbl td { padding: .35rem .3rem; border-bottom: 1px solid #f2f2f2; }
.tbl tbody tr:hover { background: #fafafa; }
.langs { max-width: 420px; }

/* ---------------- Projets ---------------- */
.project { display: flex; gap: 1rem; align-items: flex-start; margin-bottom: 1.3rem; }
.project-img img { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; }
.project-body { flex: 1; }
.project-title { font-size: 1rem; font-weight: 700; margin-bottom: .2rem; }

/* ---------------- Footer ---------------- */
.footer { padding: 2.5rem 0; border-top: 1px solid var(--line); margin-top: 1rem; }

/* ---------------- Scroll top ---------------- */
#scroll-top {
  position: fixed; right: 20px; bottom: 20px;
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--dark); color: #fff; font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .25s; text-decoration: none;
}
#scroll-top.visible { opacity: .85; pointer-events: auto; }
#scroll-top:hover { opacity: 1; text-decoration: none; }

/* ---------------- Responsive ---------------- */
@media (max-width: 720px) {
  .cv-item { flex-direction: column; gap: .5rem; }
  .cv-meta { flex-basis: auto; text-align: left; display: flex; gap: 1rem; align-items: center; }
  .cv-meta .type { margin-top: 0; }
  .cv-meta .type-label { display: inline; }
  .cv-body { border-left: none; padding-left: 0; border-top: 2px solid var(--line); padding-top: .6rem; }
  .edu-item { grid-template-columns: 1fr; gap: .2rem; text-align: left; }
  .edu-year { color: var(--muted); }
}