:root {
  color-scheme: light;
  --navy: #1f497d;
  --navy-dark: #15345a;
  --text: #1f2933;
  --muted: #4b5563;
  --line: #d9dee5;
  --bg: #f4f6f9;
  --card: #fff;
  --hover: #eaf0f7;
  --focus: #b45309;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

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

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

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  overflow-wrap: break-word;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--navy);
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--navy-dark);
}

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

h1,
h2,
h3,
h4 {
  line-height: 1.25;
}

ul {
  margin: 0;
  padding-left: 1.25rem;
}

li {
  margin: 0.2rem 0;
}

li::marker {
  color: var(--navy);
}

ul ul {
  list-style-type: circle;
  margin: 0.15rem 0 0.35rem;
}

.container {
  max-width: 68rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Lien d'évitement */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 100;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  background: var(--navy);
  color: #fff;
}

.skip-link:focus {
  top: 0.5rem;
  color: #fff;
}

/* Barre du haut */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.5rem;
}

/* La marge pousse la liste des chapitres et la bascule de langue à droite. */
.brand {
  margin-right: auto;
  color: var(--navy);
  font-size: 1.05rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

/* La liste défile si elle manque de place, à toutes les largeurs : la page, elle, ne défile jamais. */
.site-nav {
  position: relative;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.site-nav::-webkit-scrollbar {
  display: none;
}

/* Fondu sur le bord droit tant que des liens restent cachés à droite (classe posée par site.js). */
.site-nav.has-more {
  -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 2.5rem), transparent);
  mask-image: linear-gradient(to right, #000 calc(100% - 2.5rem), transparent);
}

.site-nav ul {
  display: flex;
  gap: 0.25rem;
  padding: 0;
  list-style: none;
}

.site-nav li {
  margin: 0;
}

.site-nav a {
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  color: var(--text);
  font-size: 0.95rem;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav a:hover {
  background: var(--hover);
  color: var(--navy);
}

/* Contour à l'intérieur du lien : la liste défilante du mobile le rognerait sinon. */
.site-nav a:focus-visible {
  outline-offset: -3px;
}

.site-nav a[aria-current="true"] {
  color: var(--navy);
  box-shadow: inset 0 -3px 0 var(--navy);
}

/* Bascule de langue : hors de .site-nav, elle ne défile pas avec la liste. */
.lang-switch {
  flex: none;
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--navy);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
}

.lang-switch:hover {
  background: var(--hover);
  color: var(--navy-dark);
}

/* Chapitres */
main section {
  padding: 3rem 0;
  scroll-margin-top: 4.5rem;
}

main {
  scroll-margin-top: 4.5rem;
}

main:focus {
  outline: none;
}

h2 {
  margin: 0 0 1.5rem;
  color: var(--navy);
  font-size: 1.75rem;
  font-weight: 600;
}

.subhead {
  margin: 2rem 0 1rem;
  color: var(--navy);
  font-size: 1.3rem;
  font-weight: 600;
}

.subhead:first-of-type {
  margin-top: 0;
}

.card {
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 19rem), 1fr));
  gap: 1rem;
}

.group-title {
  margin: 0 0 0.6rem;
  color: var(--muted);
  font-size: 1.05rem;
  font-weight: 600;
}

/* Profil */
.profile {
  background: var(--card);
  border-bottom: 1px solid var(--line);
}

.profile h1 {
  margin: 0 0 0.75rem;
  color: var(--navy);
  font-size: clamp(2rem, 6vw, 2.75rem);
  font-weight: 500;
}

.profile p {
  margin: 0.25rem 0;
  font-size: 1.1rem;
}

.profile .role {
  font-size: 1.3rem;
  font-weight: 700;
}

.profile .school {
  margin-top: 1rem;
}

/* Expériences */
.xp-list {
  display: grid;
  gap: 1rem;
}

.xp {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 1.5rem;
  padding: 1.5rem;
}

.xp-client {
  text-align: center;
}

.xp-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 56px;
}

.xp-client h3 {
  margin: 0.6rem 0 0.2rem;
  color: var(--navy);
  font-size: 1.1rem;
}

.xp-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.mission h4 {
  margin: 0 0 0.6rem;
  color: var(--muted);
  font-size: 1.05rem;
  font-weight: 600;
}

.mission + .mission {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px dashed var(--line);
}

.previous {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 2rem;
}

.previous h3 {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  font-weight: 600;
}

.previous ul {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  padding: 0;
  list-style: none;
}

.previous li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0;
  font-weight: 600;
}

/* Certifications */
.cert-group h3 {
  margin: 0 0 0.5rem;
  color: var(--navy);
  font-size: 1.15rem;
}

.cert-list {
  padding: 0;
  list-style: none;
}

.cert-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 0;
  padding: 0.5rem 0;
  border-top: 1px solid var(--line);
}

.cert-list li:first-child {
  border-top: 0;
}

.badges {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 0.35rem;
}

/* Contact */
.contact-list {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.5rem 1.5rem;
  margin: 0;
  font-style: normal;
}

.contact-list dt {
  color: var(--muted);
  font-weight: 600;
}

.contact-list dd {
  margin: 0;
}

.site-footer {
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
  background: var(--card);
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

.site-footer p {
  margin: 0;
}

/* Mobile */
@media (max-width: 47.99rem) {
  .container {
    padding: 0 1rem;
  }

  /* Marque et bascule de langue sur la première ligne, liste des chapitres sur la seconde. */
  .site-header .container {
    flex-wrap: wrap;
    gap: 0;
    padding: 0.5rem 0 0;
  }

  .site-nav {
    flex-basis: 100%;
    order: 1;
  }

  /* Pas plus haute que la marque : la barre garde sa hauteur (couplage avec scroll-margin-top plus bas). */
  .lang-switch {
    margin-right: 1rem;
    padding: 0.2rem 0.5rem;
  }

  .brand {
    padding: 0 1rem;
  }

  .site-nav ul {
    width: max-content;
    padding: 0 0.5rem;
  }

  .site-nav a {
    padding: 0.6rem 0.6rem;
  }

  /* Couplage : au-dessus de la barre (~5rem) mais sous la marge haute de l'observateur de site.js (7rem). */
  main,
  main section {
    scroll-margin-top: 5.75rem;
  }

  main section {
    padding: 2rem 0;
  }

  h2 {
    font-size: 1.5rem;
  }

  .card {
    padding: 1rem 1.1rem;
  }

  .xp {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1.1rem;
  }

  .xp-client {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-align: left;
  }

  .xp-logo {
    flex: 0 0 auto;
    justify-content: flex-start;
    width: 7.5rem;
  }

  .xp-client h3 {
    margin-top: 0;
  }

  .contact-list {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }

  .contact-list dd + dt {
    margin-top: 0.6rem;
  }
}