/* ==========================================================================
   CDEP — Marchand de biens, Salbris (41)
   Feuille de style unique
   ========================================================================== */

:root {
  /* Palette : bois et brique de Sologne */
  --ink:        #16241C;
  --forest:     #22362A;
  --moss:       #5B7360;
  --paper:      #F7F6F2;
  --chalk:      #EDECE6;
  --brick:      #8C4A32;
  --sand:       #CFC6B0;

  --rule-dark:  rgba(22, 36, 28, .16);
  --rule-light: rgba(237, 236, 230, .26);

  --display: "Fraunces", Georgia, "Times New Roman", serif;
  --sans:    "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;

  --gutter: clamp(20px, 5vw, 52px);
  --measure: 62ch;
}

/* --------------------------------------------------------------- Reset -- */

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.62;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; }

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 500;
  font-variation-settings: "SOFT" 22, "WONK" 1;
  line-height: 1.08;
  letter-spacing: -0.012em;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0 0 1.1em; max-width: var(--measure); }

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

.dark :focus-visible { outline-color: var(--sand); }

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--chalk);
  color: var(--ink);
  padding: 12px 18px;
  z-index: 50;
}
.skip:focus { left: 12px; top: 12px; }

/* ------------------------------------------------------------ Structure -- */

.wrap {
  width: 100%;
  max-width: 1160px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.dark { background: var(--forest); color: var(--chalk); }

section { padding-block: clamp(56px, 9vw, 104px); }

/* ---------------------------------------------------------------- Entête -- */

.masthead {
  background: var(--forest);
  color: var(--chalk);
  border-bottom: 1px solid var(--rule-light);
}

.masthead .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 84px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.brand__name {
  font-family: var(--display);
  font-size: 30px;
  font-weight: 600;
  font-variation-settings: "SOFT" 18, "WONK" 1;
  letter-spacing: 0.03em;
  line-height: 1;
}

.brand__role {
  font-size: 13.5px;
  color: var(--sand);
  letter-spacing: 0.01em;
}

.nav {
  display: flex;
  gap: clamp(18px, 3vw, 34px);
  font-size: 15.5px;
}

.nav a {
  text-decoration: none;
  padding-block: 6px;
  border-bottom: 1px solid transparent;
  color: var(--chalk);
}
.nav a:hover { border-bottom-color: var(--sand); }
.nav a[aria-current="page"] { border-bottom-color: var(--sand); color: #fff; }

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

.hero {
  background: var(--forest);
  /* Déposez une photo dans img/hero.jpg pour l'afficher en fond.
     Sans fichier, le fond vert uni s'affiche proprement. */
  background-image:
    linear-gradient(180deg, rgba(34,54,42,.94) 0%, rgba(22,36,28,.97) 100%),
    url("img/hero.jpg");
  background-size: cover;
  background-position: center 40%;
  color: var(--chalk);
  padding-block: clamp(64px, 11vw, 132px);
}

.hero h1 {
  font-size: clamp(44px, 8.4vw, 96px);
  font-weight: 400;
  max-width: 15ch;
  margin-bottom: 28px;
}

.hero h1 .line { display: block; }

.hero__lede {
  font-size: clamp(18px, 2.1vw, 21px);
  color: #DCDDD5;
  max-width: 52ch;
  margin-bottom: 36px;
}

.actions { display: flex; flex-wrap: wrap; gap: 14px; }

.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 500;
  padding: 14px 26px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.btn--solid { background: var(--sand); color: var(--ink); }
.btn--solid:hover { background: #E2DAC6; }

.btn--line { border-color: var(--rule-light); color: var(--chalk); background: none; }
.btn--line:hover { border-color: var(--sand); background: rgba(207,198,176,.1); }

.btn--brick { background: var(--brick); color: var(--chalk); }
.btn--brick:hover { background: #7A3F2B; }

/* La plaque : identité de la société, gravée en bas du hero */

.plaque {
  margin-top: clamp(48px, 8vw, 88px);
  padding-top: 26px;
  border-top: 1px solid var(--rule-light);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 22px 32px;
}

.plaque div { font-size: 14.5px; line-height: 1.5; }
.plaque dt { color: var(--moss); margin-bottom: 3px; }
.plaque dd { margin: 0; color: var(--chalk); }

/* --------------------------------------------------------------- Titrage -- */

.lead-in { max-width: 44ch; margin-bottom: clamp(36px, 5vw, 56px); }

.lead-in h2 {
  font-size: clamp(30px, 4.4vw, 46px);
  margin-bottom: 16px;
}

.lead-in p { color: #46554B; font-size: 17.5px; margin: 0; }

.dark .lead-in p { color: #C3C7BE; }

/* ------------------------------------------------------------- Activités -- */

.trades {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: clamp(28px, 4vw, 48px);
}

.trade { border-top: 2px solid var(--ink); padding-top: 18px; }

.trade h3 { font-size: 22px; margin-bottom: 10px; }

.trade p { font-size: 16px; color: #4A584E; margin: 0; }

/* --------------------------------------------------------------- Méthode -- */

.method { background: var(--chalk); }

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(215px, 1fr));
  gap: clamp(26px, 3.4vw, 40px);
  counter-reset: step;
}

.step { border-top: 1px solid var(--rule-dark); padding-top: 16px; }

.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: block;
  font-family: var(--display);
  font-size: 15px;
  color: var(--brick);
  margin-bottom: 10px;
}

.step h3 { font-size: 19px; margin-bottom: 8px; }
.step p { font-size: 15.5px; color: #4A584E; margin: 0; }

/* ----------------------------------------------------------------- Zone -- */

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(32px, 6vw, 76px);
  align-items: start;
}

@media (max-width: 760px) {
  .split { grid-template-columns: 1fr; }
}

.area-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule-dark);
}

.area-list li {
  padding: 13px 0;
  border-bottom: 1px solid var(--rule-dark);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 16px;
}

.area-list span { color: var(--moss); font-size: 14.5px; }

/* ------------------------------------------------------------------ CTA -- */

.cta { background: var(--brick); color: var(--chalk); }

.cta h2 {
  font-size: clamp(30px, 4.6vw, 50px);
  max-width: 20ch;
  margin-bottom: 18px;
}

.cta p { color: #EBDDD5; max-width: 50ch; margin-bottom: 30px; }

.cta .btn--solid { background: var(--chalk); color: var(--brick); }
.cta .btn--solid:hover { background: #fff; }

/* ----------------------------------------------------------- Pages texte -- */

.page-head { background: var(--forest); color: var(--chalk); padding-block: clamp(52px, 8vw, 92px); }
.page-head h1 { font-size: clamp(38px, 6.4vw, 72px); font-weight: 400; margin-bottom: 16px; }
.page-head p { color: #C3C7BE; font-size: 18px; margin: 0; max-width: 54ch; }

.prose h2 {
  font-size: clamp(26px, 3.6vw, 36px);
  margin: 0 0 18px;
  padding-top: 8px;
  border-top: 2px solid var(--ink);
}

.prose h3 {
  font-size: 20px;
  margin: 36px 0 12px;
}

.prose + .prose { margin-top: clamp(48px, 6vw, 76px); }

.prose p, .prose li { color: #3B473F; }

.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 4px 36px;
  margin: 0;
}

.facts div {
  padding: 12px 0;
  border-bottom: 1px solid var(--rule-dark);
}

.facts dt { font-size: 14px; color: var(--moss); margin-bottom: 2px; }
.facts dd { margin: 0; font-size: 16.5px; }

.note {
  font-size: 15px;
  color: #55635A;
  border-left: 2px solid var(--sand);
  padding-left: 18px;
  margin-top: 28px;
}

/* -------------------------------------------------------------- Contact -- */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: clamp(34px, 6vw, 72px);
  align-items: start;
}

@media (max-width: 800px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.field { margin-bottom: 20px; }

.field label {
  display: block;
  font-size: 14.5px;
  color: var(--moss);
  margin-bottom: 7px;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  font-family: var(--sans);
  font-size: 16px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--rule-dark);
  padding: 12px 14px;
  border-radius: 0;
}

.field input:focus,
.field textarea:focus,
.field select:focus { border-color: var(--moss); }

.field textarea { min-height: 168px; resize: vertical; }

.form-note { font-size: 14.5px; color: #55635A; margin-top: 16px; }

/* ------------------------------------------------------------------ Pied -- */

.foot {
  background: var(--ink);
  color: #C3C7BE;
  padding-block: clamp(44px, 6vw, 68px);
  font-size: 15px;
}

.foot a { color: var(--chalk); text-decoration: none; border-bottom: 1px solid var(--rule-light); }
.foot a:hover { border-bottom-color: var(--sand); }

.foot__top {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px 40px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--rule-light);
}

.foot__name {
  font-family: var(--display);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--chalk);
  margin-bottom: 8px;
}

.foot ul { list-style: none; margin: 0; padding: 0; }
.foot li { margin-bottom: 7px; }

.foot__bottom {
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  justify-content: space-between;
  font-size: 14px;
  color: #8C9A90;
}

/* ---------------------------------------------------------------- Motion -- */

.rise { opacity: 0; transform: translateY(14px); animation: rise .7s cubic-bezier(.2,.7,.3,1) forwards; }
.rise:nth-child(2) { animation-delay: .1s; }
.rise:nth-child(3) { animation-delay: .2s; }

@keyframes rise { to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rise { opacity: 1; transform: none; animation: none; }
  * { transition-duration: .01ms !important; }
}