/* ============================================================
   VOLT & VOIE — Base / Reset (mobile-first)
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  hanging-punctuation: first last;
  scroll-padding-top: 6rem;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body, sans-serif);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'], ol[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4, h5, h6 { text-wrap: balance; line-height: 1.08; font-family: var(--font-display); font-weight: 600; }
p, li, figcaption { text-wrap: pretty; }
p { max-width: 68ch; }

a { color: inherit; text-decoration: none; }

::selection { background: var(--color-signal); color: var(--color-signal-text); }

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

button { cursor: pointer; background: none; border: none; }
table { border-collapse: collapse; width: 100%; }

a, button, [role='button'], input, textarea, select {
  transition:
    color var(--transition-interactive),
    background var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}

/* Accessibilité — réduction du mouvement (prefers-reduced-motion) */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Conteneurs ---------- */
.container { width: 100%; max-width: var(--content-wide); margin-inline: auto; padding-inline: var(--gutter); }
.container--narrow { max-width: var(--content-narrow); }
.container--default { max-width: var(--content-default); }

/* ---------- Section spacing fluide ---------- */
.section { padding-block: clamp(var(--space-16), 9vw, var(--space-32)); }
.section--tight { padding-block: clamp(var(--space-10), 6vw, var(--space-20)); }

/* ---------- Lien d'évitement (skip link) ---------- */
.skip-link {
  position: absolute; left: var(--space-4); top: -3rem; z-index: 200;
  background: var(--color-primary); color: #fff;
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-md);
  transition: top 150ms var(--ease-out);
}
.skip-link:focus { top: var(--space-4); }