/* ============================================================
   Base — reset, typographie, utilitaires
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  font-family: var(--f-head);
  color: var(--primary-700);
  line-height: 1.18;
  letter-spacing: -.02em;
  font-weight: 700;
}
h1 { font-size: clamp(2rem, 1.3rem + 2.6vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 1.1rem + 1.5vw, 2.3rem); }
h3 { font-size: clamp(1.15rem, 1rem + .6vw, 1.5rem); }
h4 { font-size: 1.05rem; }
h5 { font-size: .95rem; }

p { color: var(--fg-2); }
small, .small { font-size: .875rem; }
b, strong { font-weight: 700; color: var(--fg); }

a { color: var(--accent); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--accent-600); }

ul, ol { padding-left: 1.15rem; }
li { color: var(--fg-2); }

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

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--r-xs);
}

::selection { background: var(--primary-100); color: var(--primary-700); }

::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: var(--surface-2); }
::-webkit-scrollbar-thumb { background: #BFDCCB; border-radius: 99px; border: 3px solid var(--surface-2); }
::-webkit-scrollbar-thumb:hover { background: #9CC4AE; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--primary-700); color: #fff; padding: 10px 16px;
  border-radius: 0 0 var(--r-sm) 0;
}
.skip:focus { left: 0; }

/* ---------------- utilitaires ---------------- */
.wrap-x { width: min(100% - 2.5rem, var(--maxw)); margin-inline: auto; }
.row { display: flex; align-items: center; gap: var(--sp-3); }
.row--between { justify-content: space-between; }
.row--top { align-items: flex-start; }
.wrap { flex-wrap: wrap; }
.center { justify-content: center; text-align: center; }
.stack { display: flex; flex-direction: column; gap: var(--sp-3); }
.grid { display: grid; gap: var(--sp-5); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--auto { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid--sidebar { grid-template-columns: minmax(0, 1fr) 340px; align-items: start; }

.gap-1 { gap: var(--sp-1); } .gap-2 { gap: var(--sp-2); }
.gap-3 { gap: var(--sp-3); } .gap-4 { gap: var(--sp-4); }
.gap-6 { gap: var(--sp-6); }

.mt-1 { margin-top: var(--sp-1); } .mt-2 { margin-top: var(--sp-2); }
.mt-3 { margin-top: var(--sp-3); } .mt-4 { margin-top: var(--sp-4); }
.mt-5 { margin-top: var(--sp-5); } .mt-6 { margin-top: var(--sp-6); }
.mb-2 { margin-bottom: var(--sp-2); } .mb-3 { margin-bottom: var(--sp-3); }
.mb-4 { margin-bottom: var(--sp-4); } .mb-5 { margin-bottom: var(--sp-5); }

.muted { color: var(--fg-3); }
.tiny { font-size: .8rem; }
.measure { max-width: 62ch; }
.measure-sm { max-width: 46ch; }
.hide { display: none !important; }
.block { display: block; }
.nowrap { white-space: nowrap; }
.mono { font-family: var(--f-mono); font-size: .84rem; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.ic { width: 18px; height: 18px; stroke-width: 1.75; flex: none; }
.ic-sm { width: 15px; height: 15px; }
.ic-lg { width: 22px; height: 22px; }
.ic-xl { width: 30px; height: 30px; stroke-width: 1.6; }

.divider { height: 1px; background: var(--border); border: 0; margin-block: var(--sp-5); }

@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--sidebar { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .wrap-x { width: min(100% - 1.75rem, var(--maxw)); }
}