/* layout.css — header sticky, nav, container, footer */

.container {
  width: min(100% - 2.4rem, var(--container));
  margin-inline: auto;
}
.container--narrow {
  width: min(100% - 2.4rem, var(--container-narrow));
  margin-inline: auto;
}

/* HEADER */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: oklch(96% 0.013 82 / 0.86);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  backdrop-filter: saturate(140%) blur(10px);
  z-index: var(--z-header);
  transition: box-shadow var(--t), background var(--t), border-color var(--t);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: oklch(96% 0.013 82 / 0.94);
  border-bottom-color: var(--line);
  box-shadow: 0 6px 20px -16px rgb(var(--shadow-rgb) / 0.25);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  width: min(100% - 1.6rem, var(--container));
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.18rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.brand-mark {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  background: var(--accent);
  color: var(--paper);
  border-radius: 50%;
  font-family: var(--font-ui);
  font-weight: 700;
  font-style: normal;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  box-shadow: 0 1px 0 0 oklch(38% 0.090 240) inset;
}
.brand-name { font-weight: 500; }
.brand-tag {
  font-family: var(--font-ui);
  font-style: normal;
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin-top: 0.1rem;
  display: block;
}

.nav { margin-left: auto; display: none; }
.nav-list {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}
.nav-list a {
  font-family: var(--font-ui);
  font-size: 0.86rem;
  letter-spacing: 0.01em;
  color: var(--ink-soft);
  position: relative;
  padding: 4px 0;
  transition: color var(--t-fast);
}
.nav-list a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 2px;
  background: var(--accent);
  transition: right var(--t);
}
.nav-list a:hover { color: var(--ink); }
.nav-list a:hover::after { right: 0; }

.link-call {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
  padding: 0.5rem 0.95rem;
  border: 1px solid var(--ink);
  border-radius: 100px;
  transition: background var(--t-fast), color var(--t-fast), transform var(--t-fast);
  margin-left: auto;
}
.link-call:hover { background: var(--ink); color: var(--paper); transform: translateY(-1px); }
.link-call .num-full { display: none; }
.link-call .num-short { display: inline; }

/* Burger */
.burger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  margin-left: 0.5rem;
  border-radius: 8px;
}
.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform var(--t), opacity var(--t-fast);
  margin-inline: auto;
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Menu mobile plein ecran */
.menu-mobile {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--paper);
  z-index: var(--z-menu);
  padding: var(--sp-5) var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t), transform var(--t);
  border-top: 1px solid var(--line);
}
.menu-mobile.is-open {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.menu-mobile a {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.7rem;
  color: var(--ink);
  padding: 0.6rem 0;
  border-bottom: 1px dashed var(--line);
}
.menu-mobile a:last-of-type { border-bottom: 0; }
.menu-mobile .mobile-cta {
  margin-top: var(--sp-4);
  display: flex; flex-direction: column; gap: 0.7rem;
}

main { padding-top: var(--header-h); }

section { padding-block: var(--sp-7); position: relative; }
section + section { border-top: 1px solid oklch(85% 0.022 80 / 0.5); }

/* FOOTER */
.site-footer {
  background: oklch(20% 0.025 250);
  color: oklch(82% 0.015 80);
  padding-block: var(--sp-6) var(--sp-4);
  font-family: var(--font-ui);
}
.site-footer .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-5);
}
.foot-col h4 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05rem;
  color: oklch(95% 0.020 80);
  margin-bottom: 0.7rem;
  font-weight: 500;
}
.foot-col p, .foot-col a { font-size: 0.92rem; line-height: 1.7; color: oklch(82% 0.020 80); }
.foot-col a:hover { color: var(--accent-2); }
.foot-bottom {
  border-top: 1px solid oklch(30% 0.020 250);
  margin-top: var(--sp-4);
  padding-top: var(--sp-3);
  font-size: 0.78rem;
  color: oklch(65% 0.015 80);
  display: flex; flex-wrap: wrap; gap: 0.8rem; justify-content: space-between;
}