/* =========================================================================
   sections.css : composants de page
   Tout est construit sur des filets fins : la page entiere se lit comme
   une carte, pas comme une pile de cartouches.
   ========================================================================= */

.hl {
  color: var(--snow);
  font-weight: 500;
  box-shadow: inset 0 -.4em 0 color-mix(in srgb, var(--glow) 22%, transparent);
}

/* ---------- Legende de carte, sous le heros ---------- */
.legend {
  font-family: var(--mono);
  font-size: .6875rem;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--mist);
  margin: 0;
  max-width: none;
  display: flex;
  flex-wrap: wrap;
  gap: .25rem .9rem;
  align-items: baseline;
}
.legend__key {
  position: relative;
  padding-left: 1.65rem;
  color: var(--glow);
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  flex: none;
}
.legend__key::before {
  content: '';
  position: absolute;
  left: 0;
  top: .62em;
  width: 1rem;
  height: 1px;
  background: var(--glow);
}

/* ---------- Colonnes du manifeste ---------- */
.split {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 60rem) {
  .split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4rem;
  }
  .split > * + * {
    padding-left: 4rem;
    border-left: 1px solid var(--hair-soft);
  }
}
.split p { max-width: 46ch; }

/* ---------- Expertises ---------- */
.grid-expertise {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}
@media (min-width: 46rem) { .grid-expertise { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 72rem) { .grid-expertise { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.xp {
  position: relative;
  padding: 2rem 2rem 2.5rem 0;
  border-top: 1px solid var(--hair);
  transition: background-color .5s var(--ease);
}
@media (min-width: 46rem) {
  .xp { padding-right: 2.5rem; }
  .xp + .xp { border-left: 0; }
}
.xp::before {
  /* la courbe de niveau qui se trace au survol */
  content: '';
  position: absolute;
  top: -1px; left: 0;
  height: 1px;
  width: 100%;
  background: var(--glow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .7s var(--ease);
}
.xp:hover::before { transform: scaleX(1); }

.xp__num {
  font-family: var(--mono);
  font-size: .6875rem;
  font-weight: 500;
  letter-spacing: .12em;
  color: var(--mist-dim);
  display: block;
  margin-bottom: 1.5rem;
  transition: color .4s var(--ease);
}
.xp:hover .xp__num { color: var(--glow); }
.xp h3 { margin-bottom: .9rem; }
.xp p { font-size: .94rem; max-width: 40ch; }

/* ---------- Engagements ---------- */
.creed {
  display: grid;
  gap: 0;
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 58rem) { .creed { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.creed__item {
  padding: 2.25rem 0 2.5rem;
  border-top: 1px solid var(--hair);
}
@media (min-width: 58rem) {
  .creed__item:nth-child(odd) { padding-right: 4rem; }
  .creed__item:nth-child(even) {
    padding-left: 4rem;
    border-left: 1px solid var(--hair-soft);
  }
}
/* le cinquieme engagement occupe toute la largeur : la sobriete conclut la serie */
.creed__item--wide { grid-column: 1 / -1; }
@media (min-width: 58rem) {
  .creed__item--wide {
    padding-left: 0;
    padding-right: 0;
    border-left: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
    gap: 3rem;
    align-items: start;
  }
  .creed__item--wide .tag { grid-column: 1; }
  .creed__item--wide h3 { grid-column: 1; max-width: 22ch; margin: 0; }
  .creed__item--wide p { grid-column: 2; grid-row: 1 / span 2; max-width: 62ch; }
}

.creed__item .tag { margin: 0 0 1.25rem; color: var(--glow); }
.creed__item .tag::before { display: none; }
.creed__item h3 { margin-bottom: .9rem; max-width: 20ch; }
.creed__item p { font-size: .96rem; max-width: 46ch; }

/* ---------- Modalites ---------- */
.offers {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 58rem) { .offers { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.75rem; } }

.offer {
  padding: clamp(1.75rem, 3vw, 2.75rem);
  border: 1px solid var(--hair);
  border-radius: 2px;
  background: var(--ink-2);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: border-color .5s var(--ease), transform .5s var(--ease);
}
.offer:hover { border-color: color-mix(in srgb, var(--glow) 45%, transparent); }
.offer .tag { margin: 0; }
.offer h3 { max-width: 18ch; }

.ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: .8rem; }
.ticks li {
  position: relative;
  padding-left: 1.75rem;
  font-size: .94rem;
  color: var(--mist);
  line-height: 1.5;
}
.ticks li::before {
  content: '';
  position: absolute;
  left: 0;
  top: .55em;
  width: .7rem;
  height: 1px;
  background: var(--glow);
}
.offer__for {
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--hair-soft);
  font-size: .875rem;
  max-width: none;
}

/* ---------- Bandeau diagnostic ---------- */
.band--feature {
  background:
    radial-gradient(90% 120% at 50% 0%, color-mix(in srgb, var(--glow) 9%, transparent) 0%, transparent 62%),
    var(--ink-2);
  border-top-color: var(--hair);
}
.feature {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}
.feature .tag { margin: 0; }
.feature h2 { max-width: 16ch; }
.feature .lede { max-width: 54ch; }
.feature p { margin: 0; }

/* ---------- Contact ---------- */
.contact {
  display: grid;
  gap: 3rem;
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 64rem) {
  .contact { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 5rem; }
}

.form {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 40rem) { .form { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.field--wide { grid-column: 1 / -1; }

.field { display: grid; gap: .5rem; }
.field label {
  font-family: var(--mono);
  font-size: .625rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist-dim);
}
.field input,
.field textarea {
  font: inherit;
  font-size: .95rem;
  color: var(--snow);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--hair);
  padding: .65rem 0;
  border-radius: 0;
  transition: border-color .4s var(--ease);
  width: 100%;
}
.field textarea { resize: vertical; min-height: 7rem; line-height: 1.55; }
.field input:hover,
.field textarea:hover { border-bottom-color: var(--mist-dim); }
.field input:focus,
.field textarea:focus {
  outline: 0;
  border-bottom-color: var(--glow);
}
.field input:user-invalid,
.field textarea:user-invalid { border-bottom-color: #E2574C; }

.form__legal { font-size: .8125rem; max-width: 58ch; }
.form__legal a { color: var(--mist); text-decoration: underline; text-underline-offset: 3px; }
.form__legal a:hover { color: var(--glow); }

.form__note {
  grid-column: 1 / -1;
  padding: 1rem 1.25rem;
  border: 1px solid var(--hair);
  border-left: 2px solid var(--glow);
  border-radius: 3px;
  font-size: .9rem;
  background: color-mix(in srgb, var(--ink-3) 60%, transparent);
}
.form__note[data-state='error'] { border-left-color: #E2574C; }

.coords { display: grid; gap: 1.25rem; align-content: start; }
.coords p { margin: 0; }
.coords__mail {
  font-family: var(--mono);
  font-size: clamp(.9rem, .85rem + .35vw, 1.05rem);
  letter-spacing: -.01em;
  border-bottom: 1px solid var(--hair);
  padding-bottom: .15rem;
  transition: color .35s var(--ease), border-color .35s var(--ease);
  word-break: break-word;
}
.coords__mail:hover { color: var(--glow); border-bottom-color: var(--glow); }

/* ---------- Pied de page ---------- */
.footer {
  border-top: 1px solid var(--hair-soft);
  padding-block: 2.5rem 3rem;
  background: var(--ink-2);
}
.footer__in {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 3rem;
  align-items: center;
  justify-content: space-between;
}
.footer .wordmark { font-size: 1.1rem; margin: 0; }
.footer__nav { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.footer__nav a {
  font-size: .82rem;
  color: var(--mist);
  transition: color .3s var(--ease);
}
.footer__nav a:hover { color: var(--glow); }

/* piege a robots : hors ecran plutot que display:none, que certains robots ignorent */
.pot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* lien sortant identifie : le picto evite de confondre avec un lien interne */
.lien-ext {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-size: .9rem;
  color: var(--mist);
  border-bottom: 1px solid var(--hair);
  padding-bottom: .15rem;
  transition: color .3s var(--ease), border-color .3s var(--ease);
}
.lien-ext svg { flex: none; opacity: .75; transition: opacity .3s var(--ease); }
.lien-ext:hover { color: var(--glow); border-bottom-color: var(--glow); }
.lien-ext:hover svg { opacity: 1; }