/* ============================================
   BASE — Kolorlab
   Typo, body, container, utilitaires
   ============================================ */

body {
  font-family: var(--font-base);
  font-weight: var(--fw-regular);
  font-size: var(--fs-body);
  color: var(--black);
  background: var(--white);
  line-height: 1.55;
}

/* --- Hiérarchie typographique --- */
h1,
.h1 {
  font-size: var(--fs-h1);
  font-weight: var(--fw-medium);
  text-transform: uppercase;
  line-height: 1.02;
  letter-spacing: -0.01em;
}

h2,
.h2 {
  font-size: var(--fs-h2);
  font-weight: var(--fw-semibold);
  line-height: 1.1;
}

h3,
.h3 {
  font-size: var(--fs-h3);
  font-weight: var(--fw-regular);
  line-height: 1.15;
}

h4,
.h4 {
  font-size: var(--fs-h4);
  font-weight: var(--fw-bold);
  line-height: 1.3;
}

p {
  font-size: var(--fs-body);
  line-height: 1.6;
}

.date,
.text-date {
  font-size: var(--fs-date);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--gray-dark);
}

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

.container-full {
  width: 100%;
}

.grid {
  display: grid;
  grid-template-columns: repeat(var(--columns), 1fr);
  gap: var(--gutter);
}

/* --- Sections --- */
.section {
  padding-block: var(--space-section);
}

.section-sm {
  padding-block: var(--space-8);
}

/* --- Utilitaires --- */
.text-center {
  text-align: center;
}
.text-uppercase {
  text-transform: uppercase;
}
.muted {
  color: var(--gray-dark);
}
.lead {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--gray-dark);
}

.eyebrow {
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gray-dark);
  font-weight: var(--fw-medium);
}

.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;
}

/* Focus visible accessibilité */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* Image placeholder (carré gris en attendant les vraies images) */
.img-placeholder {
  background: var(--gray-light);
  background-image: linear-gradient(
      135deg,
      rgba(0, 0, 0, 0.025) 25%,
      transparent 25%,
      transparent 50%,
      rgba(0, 0, 0, 0.025) 50%,
      rgba(0, 0, 0, 0.025) 75%,
      transparent 75%,
      transparent
    );
  background-size: 28px 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-mid);
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  width: 100%;
  height: 100%;
  min-height: 120px;
}
.img-placeholder::after {
  content: "image";
}
.img-placeholder[data-label]::after {
  content: attr(data-label);
}

/* Aspects ratios utilitaires */
.ratio-1-1 { aspect-ratio: 1 / 1; }
.ratio-3-4 { aspect-ratio: 3 / 4; }
.ratio-4-3 { aspect-ratio: 4 / 3; }
.ratio-16-9 { aspect-ratio: 16 / 9; }