/* Reset, accessibilité, utilitaires */

/* Reset et base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: var(--text-base);
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--gradient-surface);
    color: var(--gray-700);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* color hérite par défaut — supprimé pour performance */

/* Accessibilité : classe utilitaire sr-only */
.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 : focus-visible global */
:focus-visible {
    outline: 2px solid var(--primary-light);
    outline-offset: 2px;
}

/* Accessibilité : réduction de mouvement */
@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;
    }
}

/* Images : masquer les images cassées */
img:not([src]),
img[src=""] {
    visibility: hidden;
}

/* Désactivation cohérente */
:disabled,
[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
}