/* Agricauseur — Réseau des agriculteurs
   Palette terrienne : terre, eau, feuille
   ========================================= */

:root {
  --terre: #6b4423;
  --terre-sombre: #3d2614;
  --ocre: #c89b3c;
  --ocre-clair: #e4bf6a;
  --mousse: #3a4e2c;
  --mousse-clair: #6b8449;
  --feuille: #8ba869;
  --eau: #3a6b7c;
  --eau-clair: #6a9bac;
  --eau-vive: #4a8b9c;
  --paille: #f5efe0;
  --paille-sombre: #e8dcbe;
  --papier: #faf6ea;
  --encre: #231a10;
  --rouille: #a85a3a;
  --alerte: #c04020;

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --ombre-douce: 0 2px 8px rgba(35, 26, 16, 0.08);
  --ombre-nette: 2px 2px 0 var(--encre);
  --ombre-carte: 0 4px 24px rgba(35, 26, 16, 0.12);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--sans);
  color: var(--encre);
  background: var(--papier);
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --- Typographie --- */
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.1;
  color: var(--encre);
  letter-spacing: -0.015em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 400;
  font-variation-settings: "SOFT" 20, "WONK" 1;
}

h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.8rem);
  margin-bottom: 0.6rem;
}

h3 {
  font-size: 1.35rem;
  margin-bottom: 0.4rem;
}

p { max-width: 65ch; }

a {
  color: var(--eau);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color .15s;
}
a:hover { color: var(--rouille); }

.sursignale {
  background: linear-gradient(transparent 60%, var(--ocre-clair) 60%);
  padding: 0 .15em;
}

/* --- Entête commun --- */
.entete {
  background: var(--paille);
  border-bottom: 2px solid var(--encre);
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 100;
}

.marque {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--encre);
}

.marque-logo {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.marque-nom {
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  font-variation-settings: "SOFT" 30;
}

.marque-sous {
  font-family: var(--sans);
  font-size: 0.72rem;
  color: var(--terre);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: block;
  margin-top: -2px;
}

.nav-principale {
  display: flex;
  gap: 1.4rem;
  align-items: center;
  flex-wrap: wrap;
}

.nav-principale a {
  color: var(--encre);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color .15s;
}

.nav-principale a:hover,
.nav-principale a.actif {
  border-bottom-color: var(--rouille);
  color: var(--encre);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.2rem;
  background: var(--encre);
  color: var(--paille);
  border: 2px solid var(--encre);
  text-decoration: none;
  font-weight: 500;
  font-family: var(--sans);
  font-size: 0.95rem;
  cursor: pointer;
  transition: all .15s;
  box-shadow: var(--ombre-nette);
  border-radius: 0;
}

.btn:hover {
  background: var(--rouille);
  color: var(--paille);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--encre);
}

.btn:active {
  transform: translate(0, 0);
  box-shadow: 0 0 0 var(--encre);
}

.btn-ocre { background: var(--ocre); color: var(--encre); }
.btn-ocre:hover { background: var(--ocre-clair); color: var(--encre); }

.btn-eau { background: var(--eau); color: var(--papier); }
.btn-eau:hover { background: var(--eau-vive); color: var(--papier); }

.btn-contour {
  background: transparent;
  color: var(--encre);
}
.btn-contour:hover { background: var(--encre); color: var(--paille); }

.btn-petit {
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  box-shadow: 1px 1px 0 var(--encre);
}

/* --- Conteneur --- */
.contenu {
  flex: 1;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.contenu-large {
  max-width: 100%;
  padding: 0;
}

/* --- Pied de page --- */
.pied {
  background: var(--terre-sombre);
  color: var(--paille);
  padding: 2.5rem 1.5rem 1.5rem;
  margin-top: 4rem;
}

.pied-grille {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
}

.pied h4 {
  color: var(--ocre-clair);
  font-family: var(--serif);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.8rem;
}

.pied a {
  color: var(--paille);
  text-decoration: none;
  display: block;
  padding: 0.2rem 0;
  font-size: 0.9rem;
  opacity: 0.85;
}
.pied a:hover { opacity: 1; color: var(--ocre-clair); }

.pied-bas {
  max-width: 1200px;
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(245, 239, 224, 0.2);
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.7;
}

/* --- Cartes et panneaux --- */
.carte {
  background: var(--paille);
  border: 2px solid var(--encre);
  padding: 1.5rem;
  box-shadow: var(--ombre-nette);
  margin-bottom: 1.5rem;
}

.carte-legere {
  background: var(--papier);
  border: 1px solid var(--terre);
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.etiquette {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  background: var(--ocre);
  color: var(--encre);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  font-family: var(--sans);
  border-radius: 0;
}

.etiquette-eau { background: var(--eau); color: var(--papier); }
.etiquette-mousse { background: var(--mousse); color: var(--papier); }
.etiquette-rouille { background: var(--rouille); color: var(--papier); }
.etiquette-alerte { background: var(--alerte); color: var(--papier); }
.etiquette-contour { background: transparent; border: 1px solid var(--encre); }

/* --- Formulaires --- */
form { max-width: 600px; }

.champ {
  margin-bottom: 1.25rem;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--encre);
  font-size: 0.95rem;
}

label .petit {
  font-weight: 400;
  color: var(--terre);
  font-size: 0.85rem;
  margin-left: 0.5rem;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="password"],
select,
textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 2px solid var(--encre);
  background: var(--papier);
  font-family: var(--sans);
  font-size: 1rem;
  color: var(--encre);
  border-radius: 0;
  transition: border-color .15s;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--rouille);
  background: #fff;
}

textarea { resize: vertical; min-height: 100px; }

.champ-case {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin-bottom: 0.7rem;
  cursor: pointer;
}

.champ-case input {
  width: 18px;
  height: 18px;
  accent-color: var(--mousse);
  margin-top: 3px;
  flex-shrink: 0;
}

.champ-case label {
  margin: 0;
  font-weight: 400;
  cursor: pointer;
}

.aide {
  font-size: 0.85rem;
  color: var(--terre);
  margin-top: 0.3rem;
}

/* --- Grilles --- */
.grille-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.grille-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

/* --- Motif de bordure terrestre --- */
.bordure-terre {
  background-image: repeating-linear-gradient(
    45deg,
    var(--terre),
    var(--terre) 10px,
    var(--ocre) 10px,
    var(--ocre) 20px
  );
  height: 8px;
  width: 100%;
}

/* --- Accessibilité --- */
.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* --- Responsif --- */
@media (max-width: 700px) {
  .entete { padding: 0.7rem 1rem; }
  .nav-principale { gap: 0.8rem; font-size: 0.9rem; }
  .nav-principale a { font-size: 0.85rem; }
  .contenu { padding: 1.5rem 1rem; }
  .btn { padding: 0.55rem 1rem; font-size: 0.9rem; }
}