/* Brendalkoso — feuille de style commune */

:root {
  --bg: #fbf9f5;
  --bg-alt: #e4e8e1;
  --bg-dark: #223129;
  --ink: #22201c;
  --ink-soft: #797468;
  --ink-invert: #fbf9f5;
  --accent: #54684e;
  --accent-2: #a87c48;
  --seam: 4px;
  --sans: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.7;
  overflow-x: hidden;
}

.wrap {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

a:focus-visible,
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3 {
  font-family: var(--sans);
  font-weight: 800;
  color: inherit;
  margin: 0 0 16px;
}

h1 {
  font-size: clamp(2.1rem, 5.4vw, 3.9rem);
  line-height: 0.98;
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(1.4rem, 2.6vw, 1.95rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.12rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}

p { margin: 0 0 18px; }
p:last-child { margin-bottom: 0; }

/* ---------- En-tête et navigation ---------- */

.site-head {
  border-bottom: var(--seam) solid var(--bg-dark);
  background: var(--bg);
}

.head-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 24px;
  padding-top: 20px;
  padding-bottom: 20px;
}

.brand {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  color: var(--ink);
  text-decoration: none;
}

.brand span { color: var(--accent-2); }

.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin: 0;
  padding: 0;
}

.site-nav a {
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: var(--ink);
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover { border-bottom-color: var(--accent); }
.site-nav a[aria-current="page"] { border-bottom-color: var(--accent-2); }

/* ---------- Grille mosaïque ---------- */

.mosaic {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--seam);
  align-items: stretch;
}

.mod {
  padding: 28px;
  grid-column: span 12;
  background: var(--bg-alt);
}

.mod > :first-child { margin-top: 0; }

.c4 { grid-column: span 4; }
.c5 { grid-column: span 5; }
.c6 { grid-column: span 6; }
.c7 { grid-column: span 7; }
.c8 { grid-column: span 8; }
.c12 { grid-column: span 12; }

.plain { background: var(--bg); padding-left: 0; padding-right: 0; }
.fill-sage { background: var(--accent); }
.fill-sand { background: var(--accent-2); }
.fill-deep { background: var(--bg-dark); }
.fill-pale { background: var(--bg-alt); }

.tile { padding: 0; min-height: 96px; }

.caption {
  font-family: var(--sans);
  font-size: 0.82rem;
  line-height: 1.45;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  text-transform: uppercase;
}

.num {
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--accent-2);
  display: block;
  margin-bottom: 10px;
}

.lede {
  font-size: 1.06rem;
  line-height: 1.62;
}

/* ---------- Hero ---------- */

.hero { padding: 72px 0 0; }

.hero .mosaic { grid-auto-rows: minmax(88px, auto); }

.hero-title {
  grid-column: 1 / span 8;
  grid-row: 1 / span 2;
  background: var(--bg-alt);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 40px;
}

.hero-title p {
  font-family: var(--sans);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 18px;
}

.hero-intro {
  grid-column: 9 / span 4;
  grid-row: 2 / span 2;
  background: var(--bg-alt);
}

.hero-lower {
  grid-column: 3 / span 6;
  grid-row: 3 / span 2;
  background: var(--bg-alt);
}

.hero-side {
  grid-column: 9 / span 4;
  grid-row: 4 / span 1;
  background: var(--bg-alt);
}

/* ---------- Séparateur en plaquettes ---------- */

.tessera {
  display: flex;
  flex-wrap: wrap;
  gap: var(--seam);
  margin: 0;
  padding: 0;
  list-style: none;
}

.tessera span {
  width: 24px;
  height: 24px;
  display: block;
  background: var(--bg-alt);
}

.tessera span:nth-child(3n) { background: var(--accent); }
.tessera span:nth-child(5n) { background: var(--accent-2); }
.tessera span:nth-child(7n) { background: var(--bg-dark); }

.rule { padding: 48px 0; }

/* ---------- Sections ---------- */

.band { padding: 72px 0; }
.band-alt { background: var(--bg-alt); }
.band-alt .mod { background: var(--bg); }
.band-alt .plain { background: transparent; }

.band-deep {
  background: var(--bg-dark);
  color: var(--ink-invert);
  padding: 96px 0;
}

.band-deep h2, .band-deep h3 { color: var(--ink-invert); }
.band-deep a { color: #cfd9c8; }
.band-deep .mod { background: #2b3d33; }
.band-deep .plain { background: transparent; }
.band-deep .caption { color: #a9b3a4; }
.band-deep .num { color: var(--accent-2); }
.band-deep .tessera span { background: #2b3d33; }
.band-deep .tessera span:nth-child(3n) { background: var(--accent); }
.band-deep .tessera span:nth-child(5n) { background: var(--accent-2); }
.band-deep .tessera span:nth-child(7n) { background: var(--bg); }

.band + .band { padding-top: 0; }

.stack > * + * { margin-top: var(--seam); }

/* ---------- Listes ---------- */

ul.marks, ol.steps {
  margin: 0 0 18px;
  padding-left: 22px;
}

ul.marks { list-style: none; padding-left: 0; }

ul.marks li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 10px;
}

ul.marks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 10px;
  background: var(--accent);
}

.band-deep ul.marks li::before { background: var(--accent-2); }

ol.steps li { margin-bottom: 10px; }
ol.steps::marker, ol.steps li::marker { font-family: var(--sans); font-weight: 700; color: var(--accent-2); }

dl.notes { margin: 0; }
dl.notes dt {
  font-family: var(--sans);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-top: 18px;
}
dl.notes dt:first-child { margin-top: 0; }
dl.notes dd { margin: 4px 0 0; }

/* ---------- Pied de page ---------- */

.site-foot {
  background: var(--bg);
  border-top: var(--seam) solid var(--bg-dark);
  padding: 48px 0 64px;
}

.foot-tiles { margin-bottom: 32px; }

.foot-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--seam);
}

.foot-grid > div {
  background: var(--bg-alt);
  padding: 24px;
}

.foot-grid h2 {
  font-size: 0.86rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.foot-grid ul { list-style: none; margin: 0; padding: 0; }
.foot-grid li { margin-bottom: 6px; }
.foot-grid a { font-family: var(--sans); font-size: 0.95rem; }
.foot-name {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
  margin: 0 0 8px;
}
.foot-note { font-size: 0.95rem; line-height: 1.55; color: var(--ink-soft); }

/* ---------- Pages secondaires ---------- */

.page-head { padding: 72px 0 0; }

.page-head .mosaic { grid-auto-rows: minmax(72px, auto); }

.page-title {
  grid-column: 1 / span 8;
  grid-row: 1 / span 2;
  background: var(--bg-alt);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 40px;
}

.page-aside {
  grid-column: 9 / span 4;
  grid-row: 2;
  background: var(--bg-alt);
}

.prose h2 { margin-top: 0; }
.prose h3 { margin-top: 24px; }

/* ---------- Adaptatif ---------- */

@media (max-width: 900px) {
  body { font-size: 17px; }

  .hero { padding-top: 48px; }
  .band { padding: 48px 0; }
  .band-deep { padding: 56px 0; }
  .rule { padding: 32px 0; }

  .hero .mosaic, .page-head .mosaic { grid-auto-rows: auto; }

  .mod, .c4, .c5, .c6, .c7, .c8, .c12,
  .hero-title, .hero-intro, .hero-lower, .hero-side,
  .page-title, .page-aside {
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .hero-title, .page-title { padding: 28px; }
  .tile { min-height: 56px; }
  .foot-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .mod { padding: 22px; }
  .tessera span { width: 18px; height: 18px; }
}

/* Placement des plaquettes du hero */
.t-a { grid-column: 9 / span 2; grid-row: 1; }
.t-b { grid-column: 11 / span 2; grid-row: 1; }
.t-c { grid-column: 1 / span 2; grid-row: 3; }
.t-d { grid-column: 1 / span 2; grid-row: 4; }
.t-e { grid-column: 9 / span 4; grid-row: 1; }

@media (max-width: 900px) {
  .t-a, .t-b, .t-c, .t-d, .t-e { grid-column: span 6; grid-row: auto; }
}