/* ==========================================================================
   BASE — Reset moderne + typographies + corps de page
   ========================================================================== */

/* Reset moderne (inspiré Josh Comeau) */
*, *::before, *::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-body);
    font-size: var(--fs-base);
    line-height: var(--lh-normal);
    color: var(--color-ink);
    background: var(--color-paper);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
}

input, button, textarea, select {
    font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
    overflow-wrap: break-word;
}

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

/* Accessibilité — skip link */
.skip-link {
    position: absolute;
    top: -100px;
    left: var(--sp-2);
    background: var(--color-ink);
    color: var(--color-paper);
    padding: var(--sp-1) var(--sp-2);
    border-radius: var(--radius-sm);
    z-index: 1000;
    transition: top var(--dur-fast) var(--ease-out-cubic);
}
.skip-link:focus {
    top: var(--sp-2);
}

/* Focus visible custom */
:focus-visible {
    outline: 2px solid var(--color-red);
    outline-offset: 4px;
    border-radius: 2px;
}

/* Sélection */
::selection {
    background: var(--color-red);
    color: var(--color-paper);
}

/* ---- Typographies — classes sémantiques ---- */

.chapter {
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    font-weight: 500;
    letter-spacing: var(--ls-ultra);
    text-transform: uppercase;
    color: var(--color-mute);
}

.display-xl {
    font-family: var(--font-display);
    font-size: var(--fs-4xl);
    line-height: 1.05;
    letter-spacing: -0.03em;
    font-weight: 400;
    color: var(--color-ink);
}

.display-lg {
    font-family: var(--font-display);
    font-size: var(--fs-3xl);
    line-height: 1;
    letter-spacing: -0.025em;
    font-weight: 400;
}

.lead {
    font-family: var(--font-display);
    font-size: var(--fs-xl);
    line-height: var(--lh-snug);
    font-weight: 400;
    font-style: italic;
    color: var(--color-ink);
}

.meta {
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    color: var(--color-mute);
    letter-spacing: var(--ls-wide);
}

.amp {
    font-family: var(--font-display);
    font-style: italic;
    color: var(--color-red);
    font-weight: 400;
}

/* Respect de 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;
    }
}