/* ==========================================================================
   layout.css — Grilles, conteneurs, en-tête, pied de page
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 1.4rem;
}

.container--narrow {
  max-width: 820px;
}

.section {
  padding-block: var(--space-7);
}
.section--tight {
  padding-block: var(--space-6);
}

.lede {
  font-family: var(--ff-serif);
  font-size: clamp(1.18rem, 2.3vw, 1.5rem);
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: var(--readw);
}

/* --- Header --------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244, 239, 230, .88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: .65rem;
  font-family: var(--ff-serif);
  font-weight: 700;
  font-size: 1.28rem;
  letter-spacing: -.01em;
  color: var(--ink);
}
.brand:hover { color: var(--ink); }
.brand__mark {
  width: 34px;
  height: 34px;
  flex: none;
}
.brand__name small {
  display: block;
  font-family: var(--ff-sans);
  font-weight: 500;
  font-size: .62rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-top: 1px;
}

.nav {
  display: flex;
  align-items: center;
  gap: .2rem;
}
.nav a {
  position: relative;
  display: inline-block;
  padding: .5rem .72rem;
  color: var(--ink-soft);
  font-size: .92rem;
  font-weight: 500;
  border-radius: var(--radius);
  transition: color var(--t-fast), background var(--t-fast);
}
.nav a::after {
  content: "";
  position: absolute;
  left: .72rem;
  right: .72rem;
  bottom: .28rem;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-med);
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after,
.nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav a[aria-current="page"] { color: var(--ink); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 20px; height: 2px;
  margin: 0 auto;
  background: var(--ink);
  transition: transform var(--t-med), opacity var(--t-fast);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Footer --------------------------------------------------------------- */
.site-footer {
  background: var(--ink);
  color: var(--cream-soft);
  padding-block: var(--space-6) var(--space-4);
  margin-top: var(--space-7);
}
.site-footer h2, .site-footer h3, .site-footer h4 { color: var(--cream-soft); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: 2.4rem;
}
.footer-brand .brand { color: var(--cream-soft); }
.footer-brand p {
  color: #b7ae9d;
  font-size: .92rem;
  max-width: 30ch;
}
.footer-col h4 {
  font-family: var(--ff-sans);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: #8f877a;
  margin-bottom: 1rem;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: .55rem; }
.footer-col a {
  color: var(--cream-soft);
  font-size: .92rem;
}
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid rgba(255,255,255,.12);
  font-size: .82rem;
  color: #8f877a;
}
.footer-bottom a { color: #b7ae9d; }
.footer-bottom a:hover { color: var(--white); }

.socials {
  display: flex;
  gap: .6rem;
  margin-top: 1rem;
}
.socials a {
  display: grid;
  place-items: center;
  width: 38px; height: 38px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 50%;
  color: var(--cream-soft);
  transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}
.socials a:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
}
.socials svg { width: 17px; height: 17px; }

/* --- Article grids -------------------------------------------------------- */
.grid {
  display: grid;
  gap: 2rem;
}
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--feature {
  grid-template-columns: 1.3fr 1fr;
  align-items: stretch;
}

/* --- Responsive ----------------------------------------------------------- */
@media (max-width: 940px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 820px) {
  .nav-toggle { display: flex; }
  .nav {
    position: fixed;
    inset: 72px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--cream-soft);
    border-bottom: 1px solid var(--line);
    padding: .6rem 1.4rem 1.4rem;
    transform: translateY(-130%);
    transition: transform var(--t-med);
    box-shadow: var(--shadow-soft);
    max-height: calc(100vh - 72px);
    overflow-y: auto;
  }
  .nav.is-open { transform: translateY(0); }
  .nav a {
    padding: .85rem .4rem;
    border-bottom: 1px solid var(--line-soft);
    font-size: 1rem;
  }
  .nav a::after { display: none; }
  .grid--3, .grid--2, .grid--feature { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding-block: var(--space-6); }
}