/* =========================================================
   Cave & Cellier — design system
   Palette chaude (cave en pierre + laiton), un seul accent.
   ========================================================= */

:root {
  /* Surfaces — famille de gris chauds, jamais de noir pur */
  --noir:        #1b1917;
  --ardoise:     #2b2724;
  --ardoise-cl:  #3a3531;
  --pierre:      #857d72;
  --pierre-cl:   #b3aca2;
  --parchemin:   #ece6da;
  --craie:       #f7f3ec;

  /* Accent unique : laiton désaturé */
  --laiton:      #a97b3c;
  --laiton-cl:   #c69a5a;
  --laiton-fonce:#8a6330;

  /* Erreur — sémantique uniquement, jamais décorative */
  --alerte:      #a4442f;

  /* Ombres teintées de la couleur du fond, jamais du noir pur */
  --ombre-s: 0 1px 2px rgba(27, 25, 23, .06), 0 2px 6px rgba(27, 25, 23, .05);
  --ombre-m: 0 2px 4px rgba(27, 25, 23, .05), 0 12px 28px rgba(27, 25, 23, .09);
  --ombre-l: 0 4px 8px rgba(27, 25, 23, .06), 0 28px 60px rgba(27, 25, 23, .14);

  /* Rayons — plus serrés à l'intérieur, plus doux sur les conteneurs */
  --r-xs: 3px;
  --r-s:  6px;
  --r-m:  10px;
  --r-l:  18px;

  /* Trame typographique */
  --serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --sans:  "Schibsted Grotesk", "Helvetica Neue", Arial, sans-serif;

  /* Rythme */
  --page:   1320px;
  --etroit: 68ch;
  --gout:   clamp(1rem, .6rem + 1.6vw, 1.75rem);

  /* Échelle z, jamais de 9999 */
  --z-fond: 0;
  --z-grain: 1;
  --z-contenu: 10;
  --z-entete: 100;
  --z-menu: 200;

  --transition: 220ms cubic-bezier(.2, .7, .3, 1);
}

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

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

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}

body {
  margin: 0;
  background: var(--craie);
  color: var(--noir);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.6;
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; }

/* Grain fixe — casse la platitude du vectoriel pur */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: var(--z-grain);
  pointer-events: none;
  opacity: .5;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.055'/%3E%3C/svg%3E");
}

/* ---------- Accessibilité ---------- */

:where(a, button, input, select, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--laiton);
  outline-offset: 3px;
  border-radius: var(--r-xs);
}

.saut-contenu {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: var(--z-menu);
  background: var(--noir);
  color: var(--craie);
  padding: .75rem 1.25rem;
  border-radius: 0 0 var(--r-s) 0;
  font-size: .9rem;
}
.saut-contenu:focus { left: 0; }

.visuellement-cache {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* ---------- Typographie ---------- */

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -.022em;
  margin: 0;
  text-wrap: balance;
  font-variation-settings: "SOFT" 0, "WONK" 0;
}

h1 { font-size: clamp(2.7rem, 1.6rem + 4.6vw, 5.1rem); }
h2 { font-size: clamp(2rem, 1.4rem + 2.3vw, 3.1rem); }
h3 { font-size: clamp(1.15rem, 1rem + .5vw, 1.45rem); letter-spacing: -.014em; }

p { margin: 0 0 1.1em; text-wrap: pretty; }
p:last-child { margin-bottom: 0; }

.plomb {
  font-size: clamp(1.02rem, .96rem + .3vw, 1.2rem);
  line-height: 1.65;
  color: var(--ardoise);
  max-width: var(--etroit);
}

/* Surtitre — bas de casse tracké, pas de capitales criardes partout */
.surtitre {
  font-family: var(--sans);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--pierre);
  margin: 0 0 1rem;
}
.surtitre--clair { color: var(--laiton-cl); }

/* Chiffres alignés partout où on compare */
.chiffre, td, .prix, .spec__val {
  font-variant-numeric: tabular-nums;
}

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

.enveloppe {
  width: min(100% - 2.5rem, var(--page));
  margin-inline: auto;
}

.section {
  /* Padding optiquement asymétrique : le bas respire un peu plus */
  padding-block: clamp(4rem, 2.4rem + 5vw, 7rem) clamp(4.6rem, 2.8rem + 5.6vw, 8rem);
}
.section--sombre {
  background: var(--noir);
  color: var(--parchemin);
}
.section--sombre h2 { color: var(--craie); }
.section--sombre .plomb { color: var(--pierre-cl); }

.entete-section {
  display: grid;
  gap: 1.25rem var(--gout);
  grid-template-columns: 1fr;
  align-items: end;
  margin-bottom: clamp(2.2rem, 1.4rem + 2.4vw, 3.4rem);
}
@media (min-width: 900px) {
  /* En-tête calé à gauche au-dessus d'un contenu large : on casse la symétrie */
  .entete-section { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); }
}

/* ---------- Boutons ---------- */

.bouton {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .95rem 1.6rem;
  border: 1px solid transparent;
  border-radius: var(--r-s);
  font: 500 .95rem/1 var(--sans);
  letter-spacing: .01em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition),
              border-color var(--transition), transform 120ms ease, box-shadow var(--transition);
}
.bouton svg { width: 1.05em; height: 1.05em; }

.bouton--plein {
  background: var(--noir);
  color: var(--craie);
  box-shadow: var(--ombre-s);
}
.bouton--plein:hover { background: var(--ardoise); box-shadow: var(--ombre-m); }

.bouton--laiton { background: var(--laiton); color: #fff; }
.bouton--laiton:hover { background: var(--laiton-fonce); }

.bouton--contour {
  border-color: color-mix(in srgb, var(--noir) 26%, transparent);
  color: var(--noir);
}
.bouton--contour:hover { border-color: var(--noir); background: color-mix(in srgb, var(--noir) 5%, transparent); }

.section--sombre .bouton--contour {
  border-color: color-mix(in srgb, var(--parchemin) 34%, transparent);
  color: var(--parchemin);
}
.section--sombre .bouton--contour:hover {
  border-color: var(--parchemin);
  background: color-mix(in srgb, var(--parchemin) 10%, transparent);
}

.bouton:active { transform: translateY(1px) scale(.995); }

/* Lien texte — tertiaire, pour alléger le bruit visuel */
.lien-fleche {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-weight: 500;
  font-size: .95rem;
  text-decoration: none;
  color: var(--laiton-fonce);
  border-bottom: 1px solid color-mix(in srgb, var(--laiton) 40%, transparent);
  padding-bottom: 2px;
  transition: border-color var(--transition), gap var(--transition), color var(--transition);
}
.lien-fleche:hover { border-color: var(--laiton); gap: .75rem; }
.section--sombre .lien-fleche { color: var(--laiton-cl); }

/* ---------- Bandeau de service ---------- */

.bandeau {
  background: var(--noir);
  color: var(--pierre-cl);
  font-size: .82rem;
  letter-spacing: .01em;
}
.bandeau__grille {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 42px;
  flex-wrap: wrap;
}
.bandeau strong { color: var(--craie); font-weight: 500; }
.bandeau__item { display: inline-flex; align-items: center; gap: .5rem; }
.bandeau__item svg { width: 15px; height: 15px; color: var(--laiton-cl); flex: none; }
@media (max-width: 780px) { .bandeau__item--secondaire { display: none; } }

/* ---------- En-tête ---------- */

.entete {
  position: sticky;
  top: 0;
  z-index: var(--z-entete);
  background: color-mix(in srgb, var(--craie) 88%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid color-mix(in srgb, var(--noir) 9%, transparent);
}
.entete__grille {
  display: flex;
  align-items: center;
  gap: var(--gout);
  min-height: 76px;
}

.marque {
  font-family: var(--serif);
  font-size: 1.32rem;
  font-weight: 600;
  letter-spacing: -.015em;
  text-decoration: none;
  white-space: nowrap;
}
.marque .esperluette { color: var(--laiton); font-style: italic; padding-inline: .06em; }

.nav { margin-left: auto; display: flex; gap: .35rem; }
@media (max-width: 900px) { .nav { display: none; } }

.nav__lien {
  position: relative;
  padding: .55rem .85rem;
  font-size: .92rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--r-s);
  transition: color var(--transition), background-color var(--transition);
}
.nav__lien::after {
  content: "";
  position: absolute;
  left: .85rem; right: .85rem; bottom: .3rem;
  height: 1.5px;
  background: var(--laiton);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.nav__lien:hover::after { transform: scaleX(1); }
.nav__lien[aria-current="page"] { color: var(--laiton-fonce); }
.nav__lien[aria-current="page"]::after { transform: scaleX(1); }

.entete__actions { display: flex; align-items: center; gap: .4rem; }
.icone-bouton {
  display: grid;
  place-items: center;
  width: 42px; height: 42px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--noir);
  cursor: pointer;
  transition: background-color var(--transition);
}
.icone-bouton:hover { background: color-mix(in srgb, var(--noir) 7%, transparent); }
.icone-bouton svg { width: 20px; height: 20px; }

/* ---------- Héros ---------- */

.heros {
  position: relative;
  overflow: hidden;
  background: var(--noir);
  color: var(--parchemin);
  isolation: isolate;
}
/* Lumière de cave : source unique en haut à droite, jamais de dégradé linéaire plat */
.heros::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 90% at 82% -12%, rgba(198, 154, 90, .30) 0%, rgba(198, 154, 90, 0) 58%),
    radial-gradient(85% 70% at 12% 108%, rgba(169, 123, 60, .13) 0%, rgba(169, 123, 60, 0) 62%),
    linear-gradient(168deg, #221f1c 0%, #1b1917 52%, #151312 100%);
}
.heros__grille {
  display: grid;
  gap: clamp(2.5rem, 1rem + 5vw, 4.5rem);
  align-items: center;
  min-height: clamp(540px, 76dvh, 780px);
  padding-block: clamp(3.5rem, 2rem + 5vw, 6rem);
}
@media (min-width: 960px) {
  .heros__grille { grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr); }
}

.heros h1 { color: var(--craie); }
.heros h1 em {
  font-style: italic;
  font-weight: 400;
  color: var(--laiton-cl);
  font-variation-settings: "WONK" 1;
}
.heros__texte .plomb { margin-top: 1.5rem; color: var(--pierre-cl); }
.heros__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: 2.2rem;
}

/* Preuve chiffrée sous le héros, pas des badges pilule */
.heros__preuves {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.5rem, .8rem + 2vw, 3rem);
  margin-top: 3rem;
  padding-top: 1.8rem;
  border-top: 1px solid color-mix(in srgb, var(--parchemin) 16%, transparent);
}
.preuve__val {
  font-family: var(--serif);
  font-size: 1.7rem;
  font-weight: 600;
  color: var(--craie);
  line-height: 1;
}
.preuve__lib {
  font-size: .8rem;
  color: var(--pierre);
  margin-top: .45rem;
  letter-spacing: .02em;
}

/* Illustration cave — SVG, pas de photo aléatoire */
.heros__visuel { position: relative; }
.heros__visuel svg { width: 100%; height: auto; filter: drop-shadow(0 40px 60px rgba(0, 0, 0, .45)); }

/* ---------- Cartes usage : grille asymétrique, jamais 3 colonnes égales ---------- */

.usages {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 860px) {
  .usages { grid-template-columns: 1.45fr 1fr; grid-template-rows: repeat(2, minmax(0, 1fr)); }
  .usage:first-child { grid-row: span 2; }
}

.usage {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: .7rem;
  min-height: 232px;
  padding: 1.7rem;
  border-radius: var(--r-l);
  background: var(--parchemin);
  text-decoration: none;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.usage:hover { transform: translateY(-3px); box-shadow: var(--ombre-l); }
.usage:first-child { min-height: 340px; background: var(--ardoise); color: var(--parchemin); }
.usage:first-child h3 { color: var(--craie); }

.usage__fond {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: .5;
  background:
    radial-gradient(80% 70% at 78% 8%, rgba(169, 123, 60, .28), transparent 60%);
}
.usage > * { position: relative; z-index: 1; }
.usage p { font-size: .93rem; color: inherit; opacity: .78; max-width: 34ch; }
.usage__meta {
  font-size: .8rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--laiton);
  font-weight: 500;
}
.usage:first-child .usage__meta { color: var(--laiton-cl); }

/* ---------- Comparateur ---------- */

.comparateur { overflow-x: auto; border-radius: var(--r-m); }
.comparateur table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: .93rem;
}
.comparateur th, .comparateur td {
  padding: 1rem 1.1rem;
  text-align: left;
  border-bottom: 1px solid color-mix(in srgb, var(--parchemin) 74%, var(--pierre));
}
.comparateur thead th {
  font-family: var(--sans);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--pierre);
  border-bottom-width: 1.5px;
  border-bottom-color: color-mix(in srgb, var(--noir) 20%, transparent);
}
.comparateur tbody tr { transition: background-color var(--transition); }
.comparateur tbody tr:hover { background: color-mix(in srgb, var(--laiton) 7%, transparent); }
.comparateur tbody th {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -.01em;
}
.comparateur td small { display: block; color: var(--pierre); font-size: .8rem; margin-top: .15rem; }
.prix { font-weight: 600; white-space: nowrap; }

.marqueur {
  display: inline-block;
  padding: .2rem .5rem;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--laiton-fonce);
  background: color-mix(in srgb, var(--laiton) 16%, transparent);
  border-radius: var(--r-xs);
  margin-left: .5rem;
  vertical-align: 2px;
}

/* ---------- Réassurance ---------- */

.reassurance {
  display: grid;
  gap: 1.6rem var(--gout);
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}
.rea__item { display: flex; gap: .95rem; align-items: flex-start; }
.rea__item svg {
  width: 22px; height: 22px;
  flex: none;
  margin-top: 2px;
  color: var(--laiton);
  stroke-width: 1.5;
}
.rea__titre { font-weight: 600; font-size: .96rem; margin-bottom: .2rem; }
.rea__texte { font-size: .87rem; color: var(--pierre); line-height: 1.5; }
.section--sombre .rea__texte { color: var(--pierre); }
.section--sombre .rea__titre { color: var(--craie); }

/* ---------- Éditorial ---------- */

.editorial {
  display: grid;
  gap: clamp(2rem, 1rem + 3vw, 4rem);
  align-items: start;
}
@media (min-width: 900px) { .editorial { grid-template-columns: .9fr 1.1fr; } }
.editorial__corps { max-width: var(--etroit); }
.editorial__corps h3 { margin: 2rem 0 .6rem; }
.editorial__corps h3:first-child { margin-top: 0; }

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

.pied {
  background: var(--noir);
  color: var(--pierre-cl);
  padding-block: clamp(3rem, 2rem + 3vw, 4.5rem) 2rem;
  font-size: .9rem;
}
.pied__haut {
  display: grid;
  gap: 2.5rem var(--gout);
  padding-bottom: 2.5rem;
  border-bottom: 1px solid color-mix(in srgb, var(--parchemin) 14%, transparent);
}
@media (min-width: 820px) { .pied__haut { grid-template-columns: 1.4fr 1fr 1fr; } }
.pied .marque { color: var(--craie); font-size: 1.3rem; }
.pied h4 {
  font-family: var(--sans);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--pierre);
  margin: 0 0 1rem;
}
.pied ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; }
.pied a { text-decoration: none; transition: color var(--transition); }
.pied a:hover { color: var(--laiton-cl); }
.pied__bas {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1.5rem;
  justify-content: space-between;
  padding-top: 1.6rem;
  font-size: .82rem;
  color: var(--pierre);
}
.pied__legal { display: flex; flex-wrap: wrap; gap: 1.2rem; }