/* Material Design 3 – socle commun (tokens surchargés par le thème de chaque site) */
:root {
  --md-primary: #6750a4;
  --md-on-primary: #fff;
  --md-primary-container: #eaddff;
  --md-on-primary-container: #21005d;
  --md-secondary: #625b71;
  --md-tertiary: #7d5260;
  --md-surface: #fef7ff;
  --md-surface-container: #f3edf7;
  --md-surface-container-high: #ece6f0;
  --md-on-surface: #1d1b20;
  --md-on-surface-variant: #49454f;
  --md-outline: #79747e;
  --md-outline-variant: #cac4d0;
  --md-ok: #2e7d32;
  --md-radius-s: 8px;
  --md-radius-m: 12px;
  --md-radius-l: 20px;
  --md-radius-xl: 28px;
  --md-elev-1: 0 1px 2px rgb(0 0 0 / .3), 0 1px 3px 1px rgb(0 0 0 / .15);
  --md-elev-2: 0 1px 2px rgb(0 0 0 / .3), 0 2px 6px 2px rgb(0 0 0 / .15);
  --font-sans: Roboto, "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font-sans); font-size: 1rem; line-height: 1.6;
  background: var(--md-surface); color: var(--md-on-surface);
}
img, svg { max-width: 100%; display: block; }
a { color: var(--md-primary); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--md-primary); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; font-weight: 500; }
h1 { font-size: clamp(2.2rem, 6vw, 3.8rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.container { width: min(1120px, 100% - 32px); margin-inline: auto; }
.skip-link { position: absolute; left: -999px; top: 8px; background: var(--md-primary); color: var(--md-on-primary); padding: 8px 16px; border-radius: var(--md-radius-s); z-index: 100; }
.skip-link:focus { left: 8px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Top app bar */
.app-bar {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--md-surface) 88%, transparent);
  backdrop-filter: blur(12px); border-bottom: 1px solid var(--md-outline-variant);
}
.app-bar .container { display: flex; align-items: center; gap: 16px; min-height: 64px; }
.brand { font-weight: 500; font-size: 1.15rem; color: var(--md-on-surface); text-decoration: none; display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.brand svg { width: 28px; height: 28px; color: var(--md-primary); }
.nav { margin-left: auto; display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; min-width: 0; }
.nav::-webkit-scrollbar { display: none; }
.nav a { padding: 8px 14px; border-radius: 999px; color: var(--md-on-surface-variant); text-decoration: none; font-size: .9rem; font-weight: 500; white-space: nowrap; }
.nav a:hover { background: var(--md-surface-container-high); color: var(--md-on-surface); }

/* Contrôles d'en-tête : langue + thème */
.tools { display: flex; align-items: center; gap: 8px; flex: none; }
.lang-switch { display: inline-flex; border: 1px solid var(--md-outline); border-radius: 999px; overflow: hidden; }
.lang-switch a { padding: 6px 12px; font: 500 .8rem var(--font-mono); text-decoration: none; color: var(--md-on-surface-variant); }
.lang-switch a:hover { background: var(--md-surface-container-high); }
.lang-switch a[aria-current="true"] { background: var(--md-primary-container); color: var(--md-on-primary-container); }
.icon-btn { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--md-outline); border-radius: 50%; background: transparent; color: var(--md-on-surface-variant); cursor: pointer; padding: 0; }
.icon-btn:hover { background: var(--md-surface-container-high); color: var(--md-on-surface); }
.icon-btn svg { width: 20px; height: 20px; }
.ico-sun { display: none; }
:root[data-theme="dark"] .ico-sun { display: block; }
:root[data-theme="dark"] .ico-moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .ico-sun { display: block; }
  :root:not([data-theme="light"]) .ico-moon { display: none; }
}

/* Menu : en ligne au-dessus de 1100 px ; en dessous, 2e ligne qui revient à la ligne (aucun lien coupé) */
@media (max-width: 1100px) {
  .app-bar .container { flex-wrap: wrap; row-gap: 0; padding-top: 8px; min-height: 0; }
  .tools { margin-left: auto; }
  .nav { order: 3; flex: 1 0 100%; margin-left: 0; flex-wrap: wrap; overflow: visible; padding: 4px 0 8px; }
}
@media (max-width: 640px) {
  html { scroll-padding-top: 112px; }
  .app-bar .container { gap: 0 8px; }
  .nav { flex-wrap: nowrap; overflow-x: auto; }
}

/* Sections */
section { padding: clamp(40px, 6vw, 72px) 0; }
.section-head { max-width: 62ch; margin-bottom: 32px; }
.eyebrow { font-family: var(--font-mono); font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; color: var(--md-primary); margin-bottom: 8px; }
.lead { font-size: clamp(1.05rem, 2vw, 1.3rem); color: var(--md-on-surface-variant); max-width: 60ch; }

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; gap: 6px; height: 32px; padding: 0 12px; border: 1px solid var(--md-outline); border-radius: var(--md-radius-s); font-size: .85rem; font-weight: 500; color: var(--md-on-surface-variant); background: transparent; }
.chip.tonal { border-color: transparent; background: var(--md-primary-container); color: var(--md-on-primary-container); }
.chip svg { width: 16px; height: 16px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 44px; padding: 0 24px; border-radius: 999px; font-weight: 500; font-size: .95rem; text-decoration: none; border: 1px solid transparent; transition: box-shadow .2s, background .2s; }
.btn svg { width: 18px; height: 18px; }
.btn.filled { background: var(--md-primary); color: var(--md-on-primary); }
.btn.filled:hover { box-shadow: var(--md-elev-1); text-decoration: none; }
.btn.outlined { border-color: var(--md-outline); color: var(--md-primary); }
.btn.outlined:hover { background: color-mix(in srgb, var(--md-primary) 10%, transparent); text-decoration: none; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }

/* Cards */
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card { background: var(--md-surface-container); border-radius: var(--md-radius-l); padding: 24px; border: 1px solid var(--md-outline-variant); }
.card h3 { display: flex; align-items: center; gap: 10px; }
.card h3 svg { width: 24px; height: 24px; color: var(--md-primary); flex: none; }
.card p:last-child { margin-bottom: 0; }
.muted { color: var(--md-on-surface-variant); font-size: .92rem; }

/* Jauges de compétences */
.meter { margin-bottom: 20px; }
.meter-row { display: flex; justify-content: space-between; font-weight: 500; margin-bottom: 6px; }
.meter-track { height: 10px; border-radius: 999px; background: var(--md-surface-container-high); overflow: hidden; }
.meter-fill { height: 100%; border-radius: inherit; background: var(--md-primary); }
.w-50 { width: 50%; } .w-75 { width: 75%; } .w-80 { width: 80%; } .w-90 { width: 90%; }

/* Liste de contacts */
.contact-list { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.contact-list a { display: flex; align-items: center; gap: 14px; padding: 16px 20px; border-radius: var(--md-radius-m); background: var(--md-surface-container); border: 1px solid var(--md-outline-variant); color: var(--md-on-surface); text-decoration: none; font-weight: 500; overflow-wrap: anywhere; }
.contact-list a:hover { background: var(--md-surface-container-high); }
.contact-list svg { width: 24px; height: 24px; color: var(--md-primary); flex: none; }

footer { border-top: 1px solid var(--md-outline-variant); padding: 32px 0; color: var(--md-on-surface-variant); font-size: .9rem; }
footer .container { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }

@media (max-width: 640px) {
  .lang-switch a { padding: 6px 9px; }
  .btn { flex: 1 1 100%; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }
@media print { .app-bar, .actions, .tools { display: none; } body { background: #fff; color: #000; } section { padding: 16px 0; } }