/* ============================================================
   KCP — Base & Reset
   ============================================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Compense la navbar sticky pour les ancres */
  scroll-padding-top: 100px;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--color-bleu-nuit);
  background: var(--color-blanc);
  overflow-x: hidden;
}

img, svg {
  max-width: 100%;
  display: block;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul {
  list-style: none;
}

/* ─── Container ─── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* ─── Section spacing ─── */
section {
  padding-block: var(--space-3xl);
}

@media (max-width: 767px) {
  section {
    padding-block: var(--space-2xl);
  }
}

/* ─── Label de section ─── */
.section-label {
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--color-or-cuivre);
  font-size: var(--fs-label);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
  display: inline-block;
}

/* ─── Titre H2 ─── */
.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-h2);
  color: var(--color-bleu-nuit);
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.section-title--light {
  color: var(--color-blanc);
}

.section-subtitle {
  font-size: var(--fs-body-lg);
  color: var(--color-gris-soutien);
  line-height: 1.7;
  max-width: 700px;
  margin-bottom: var(--space-lg);
}

.section-subtitle--light {
  color: rgba(255, 255, 255, 0.8);
}

.section-subtitle--centered {
  margin-inline: auto;
  text-align: center;
}

/* ─── Séparateur KCP ─── */
.kcp-separator {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 120px;
  margin-block: var(--space-md);
  gap: 8px;
}

.kcp-separator--left {
  margin-inline: 0 0;
  justify-content: flex-start;
}

.kcp-separator--centered {
  margin-inline: auto;
}

.kcp-separator::before,
.kcp-separator::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-or-cuivre);
}

.kcp-separator__diamond {
  width: 8px;
  height: 8px;
  background: var(--color-or-cuivre);
  transform: rotate(45deg);
  flex-shrink: 0;
}

.kcp-separator--light::before,
.kcp-separator--light::after {
  background: rgba(255, 255, 255, 0.5);
}

/* ─── Boutons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 1px;
  border-radius: var(--radius-institutional);
  border: 2px solid transparent;
  transition: all var(--transition-base);
  white-space: nowrap;
  cursor: pointer;
}

.btn--primary {
  background: var(--color-bleu-nuit);
  color: var(--color-blanc);
  border-color: var(--color-bleu-nuit);
}

.btn--primary:hover {
  background: var(--color-or-cuivre);
  color: var(--color-bleu-nuit);
  border-color: var(--color-or-cuivre);
}

.btn--gold {
  background: var(--color-or-cuivre);
  color: var(--color-bleu-nuit);
  border-color: var(--color-or-cuivre);
}

.btn--gold:hover {
  background: var(--color-or-cuivre-dark);
  border-color: var(--color-or-cuivre-dark);
  color: var(--color-blanc);
}

.btn--secondary {
  background: transparent;
  color: var(--color-bleu-nuit);
  border-color: var(--color-bleu-nuit);
}

.btn--secondary:hover {
  background: var(--color-bleu-nuit);
  color: var(--color-blanc);
}

.btn--outline-light {
  background: transparent;
  color: var(--color-blanc);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn--outline-light:hover {
  background: var(--color-blanc);
  color: var(--color-bleu-nuit);
  border-color: var(--color-blanc);
}

/* ─── Skip-link (a11y) ─── */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--color-bleu-nuit);
  color: var(--color-blanc);
  padding: 12px 20px;
  border-radius: var(--radius-institutional);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  z-index: var(--z-modal);
  transition: top var(--transition-fast);
  text-decoration: none;
}

.skip-link:focus {
  top: 16px;
  outline: 2px solid var(--color-or-cuivre);
  outline-offset: 2px;
}

/* Focus visible amélioré */
:focus-visible {
  outline: 2px solid var(--color-or-cuivre);
  outline-offset: 3px;
  border-radius: var(--radius-institutional);
}

/* ─── Visually hidden (a11y) ─── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ─── 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;
  }
}