/* =========================================================
   Layout — grille, structure de page, header, footer
   ========================================================= */

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

html {
  scroll-behavior: smooth;
}

@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;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-text);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

section {
  padding-block: var(--space-xl);
}

.section--tight { padding-block: var(--space-lg); }

/* Grille asymétrique réutilisable */
.grid {
  display: grid;
  gap: var(--space-md);
}

.grid--split {
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
}

.grid--offers {
  grid-template-columns: repeat(3, 1fr);
}

.grid--cards {
  grid-template-columns: repeat(3, 1fr);
}

.grid--two {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 960px) {
  .grid--split,
  .grid--offers,
  .grid--cards,
  .grid--two {
    grid-template-columns: 1fr;
  }
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
}

/* Le flou est porté par ce pseudo-élément (et non par .site-header) pour que
   .site-header ne crée pas de containing block pour le menu mobile en
   position: fixed (backdrop-filter sur un ancêtre déplace sinon son repère). */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-sm);
}

.logo {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.logo span { color: var(--red); }

.main-nav ul {
  list-style: none;
  display: flex;
  gap: var(--space-md);
  margin: 0;
  padding: 0;
}

.main-nav a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding-block: 4px;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-base) var(--ease-out);
}

.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.main-nav a[aria-current="page"] { color: var(--red-dark); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle svg { width: 26px; height: 26px; }

@media (max-width: 860px) {
  .nav-toggle { display: block; }

  .main-nav {
    position: fixed;
    inset: 0 0 0 30%;
    z-index: 60;
    background: var(--bg);
    border-left: 1px solid var(--line);
    transform: translateX(100%);
    transition: transform var(--dur-base) var(--ease-out);
    padding: calc(var(--space-lg) + 56px) var(--space-lg) var(--space-lg);
  }

  .main-nav.is-open { transform: translateX(0); }

  .main-nav ul {
    flex-direction: column;
    gap: var(--space-md);
  }

  .main-nav a { font-size: 1.2rem; }

  body.nav-locked { overflow: hidden; }
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding-block: var(--space-lg);
  margin-top: var(--space-xl);
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.footer-brand .logo { display: inline-block; margin-bottom: var(--space-xs); }

.footer-links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: var(--fs-small);
}

.footer-links a:hover { color: var(--red); }

.footer-meta {
  font-size: var(--fs-small);
  color: var(--ink-faint);
  margin-top: var(--space-sm);
}

@media (max-width: 640px) {
  .container { padding-inline: var(--container-pad); }
  section { padding-block: var(--space-lg); }
}