/* =========================================================
   KARA Compétences — Design system (tokens + base)
   ========================================================= */

:root {
    /* Couleurs de marque */
    --kc-gold: #C6A85D;
    --kc-gold-600: #B0924A;
    --kc-gold-700: #8F7432;
    --kc-gold-soft: rgba(198, 168, 93, 0.12);
    --kc-gold-ring: rgba(198, 168, 93, 0.35);

    --kc-ink: #0F1B2D;
    --kc-ink-800: #1B2A40;
    --kc-ink-700: #2A3B55;

    /* Neutres */
    --kc-text: #1E293B;
    --kc-text-muted: #64748B;
    --kc-border: rgba(15, 27, 45, 0.08);
    --kc-surface: #FFFFFF;
    --kc-surface-alt: #F8F7F4;

    /* Typographie */
    --kc-font: 'Poppins', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

    /* Rayons */
    --kc-radius-sm: 8px;
    --kc-radius-md: 12px;
    --kc-radius-lg: 18px;
    --kc-radius-pill: 999px;

    /* Ombres */
    --kc-shadow-sm: 0 1px 2px rgba(15, 27, 45, 0.06);
    --kc-shadow-md: 0 8px 24px -8px rgba(15, 27, 45, 0.14);
    --kc-shadow-lg: 0 24px 48px -16px rgba(15, 27, 45, 0.22);

    /* Mouvement */
    --kc-ease: cubic-bezier(0.22, 1, 0.36, 1);
    --kc-duration: 0.35s;

    /* Layout */
    --kc-container: 1240px;
    --kc-header-offset: 96px;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--kc-header-offset);
}

html.kc-no-scroll {
    overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Accessibilité : lien d'évitement */
.kc-skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 2000;
    padding: 0.6rem 1rem;
    border-radius: var(--kc-radius-sm);
    background: var(--kc-ink);
    color: #fff;
    font-family: var(--kc-font);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transform: translateY(-160%);
    transition: transform var(--kc-duration) var(--kc-ease);
}

.kc-skip-link:focus {
    transform: translateY(0);
    color: #fff;
}

#main-content:focus {
    outline: none;
}

/* Boutons */
.kc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.7rem 1.25rem;
    border: 1px solid transparent;
    border-radius: var(--kc-radius-pill);
    font-family: var(--kc-font);
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.2;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    transition:
        background-color var(--kc-duration) var(--kc-ease),
        color var(--kc-duration) var(--kc-ease),
        border-color var(--kc-duration) var(--kc-ease),
        box-shadow var(--kc-duration) var(--kc-ease),
        transform var(--kc-duration) var(--kc-ease);
}

.kc-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--kc-gold-ring);
}

.kc-btn .bi {
    transition: transform var(--kc-duration) var(--kc-ease);
}

.kc-btn:hover .bi-arrow-right {
    transform: translateX(3px);
}

.kc-btn--primary {
    background: var(--kc-ink);
    color: #fff;
}

.kc-btn--primary:hover {
    background: var(--kc-ink-800);
    color: #fff;
    box-shadow: 0 10px 24px -10px rgba(15, 27, 45, 0.55);
    transform: translateY(-1px);
}

.kc-btn--ghost {
    background: rgba(255, 255, 255, 0.6);
    border-color: rgba(15, 27, 45, 0.14);
    color: var(--kc-ink);
}

.kc-btn--ghost:hover {
    background: #fff;
    border-color: rgba(15, 27, 45, 0.28);
    color: var(--kc-ink);
    transform: translateY(-1px);
}

.kc-btn--lg {
    padding: 0.95rem 1.6rem;
    font-size: 0.95rem;
}

.kc-btn--block {
    width: 100%;
    padding-block: 0.95rem;
    font-size: 1rem;
}