/* ==========================================================================
   E-LEXT — Éditions Lextractiv International
   Charte reprise des billets imprimés : bleu nuit, or, crème.
   ========================================================================== */

:root {
  --nuit:        #0F2440;
  --nuit-2:      #16304D;
  --nuit-3:      #1E2D42;
  --or:          #E8A33D;
  --or-clair:    #F0BC6E;
  --or-fonce:    #C4862A;
  --creme:       #F7F4EC;
  --creme-2:     #FBF9F4;
  --blanc:       #FFFFFF;
  --texte:       #1C2430;
  --texte-doux:  #4A5563;
  --gris:        #7A8593;
  --bord:        #E2E7ED;

  --serif: "Cormorant Garamond", "Iowan Old Style", Georgia, serif;
  --sans:  "Source Sans 3", "Segoe UI", system-ui, -apple-system, sans-serif;

  --large: 1180px;
  --etroit: 720px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--creme);
  color: var(--texte);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--nuit); }

.saut-contenu {
  position: absolute; left: -9999px;
  background: var(--or); color: var(--nuit);
  padding: 12px 20px; font-weight: 600; z-index: 100;
}
.saut-contenu:focus { left: 12px; top: 12px; }

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

.conteneur { max-width: var(--large); margin: 0 auto; padding: 0 24px; }
.conteneur-etroit { max-width: var(--etroit); }
.centre { text-align: center; }

/* ------------------------------------------------------------ typographie */

h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.15; margin: 0; }

h1 {
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  color: var(--blanc);
  letter-spacing: -0.01em;
  margin: 0 0 24px;
  text-wrap: balance;
}

h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.7rem);
  color: var(--nuit);
  margin-bottom: 18px;
  text-wrap: balance;
}

h3 { font-size: 1.35rem; color: var(--nuit); }

p { margin: 0 0 18px; }

.eyebrow {
  font-family: var(--sans);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--or-fonce);
  margin: 0 0 10px;
}

/* ------------------------------------------------------------------ hero */

.hero {
  position: relative;
  background: var(--nuit);
  color: var(--blanc);
  overflow: hidden;
  padding: clamp(60px, 10vw, 110px) 0 clamp(56px, 8vw, 96px);
}

.hero-fond {
  position: absolute; inset: 0;
  background-image: url("assets/hero.jpg");
  background-size: cover;
  background-position: center right;
}

/* Voile dégradé : la moitié gauche reste sombre pour que le texte porte. */
.hero-fond::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(100deg,
    rgba(15, 36, 64, .96) 0%,
    rgba(15, 36, 64, .88) 34%,
    rgba(15, 36, 64, .58) 62%,
    rgba(15, 36, 64, .42) 100%);
}

.hero-contenu {
  position: relative;
  max-width: var(--large);
  margin: 0 auto;
  padding: 0 24px;
}

/* Marque provisoire — à remplacer par le logo détouré */
.marque { margin-bottom: 34px; }
.marque-nom {
  display: block;
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 2.9rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--or);
  line-height: 1;
}
.marque-sous {
  display: block;
  font-size: 0.66rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .72);
  margin-top: 7px;
}

.surtitre {
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--or-clair);
  margin: 0 0 18px;
  font-weight: 600;
}

.chapeau {
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  color: rgba(255, 255, 255, .88);
  max-width: 40ch;
  margin-bottom: 36px;
}

.evenement {
  border-left: 3px solid var(--or);
  padding: 4px 0 4px 22px;
  margin-bottom: 34px;
  max-width: 46ch;
}
.evenement-titre {
  font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--or); margin: 0 0 8px; font-weight: 700;
}
.evenement-date {
  font-family: var(--serif); font-size: 1.5rem; font-weight: 600;
  color: var(--blanc); margin: 0 0 8px;
}
.evenement-lieu { font-size: 0.95rem; color: rgba(255,255,255,.82); margin: 0; line-height: 1.5; }
.evenement-lieu span { color: rgba(255,255,255,.6); font-size: 0.88rem; }

/* compte à rebours */
.compte-rebours { display: flex; gap: 14px; margin-bottom: 36px; flex-wrap: wrap; }
.cr-bloc {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(232,163,61,.28);
  border-radius: 6px;
  padding: 12px 18px;
  min-width: 82px;
  text-align: center;
}
.cr-n {
  display: block; font-family: var(--serif); font-size: 2rem; font-weight: 700;
  color: var(--or); line-height: 1; font-variant-numeric: tabular-nums;
}
.cr-l {
  display: block; font-size: 0.66rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: rgba(255,255,255,.6); margin-top: 6px;
}

/* ---------------------------------------------------------------- boutons */

.bouton-principal {
  display: inline-block;
  background: var(--or);
  color: var(--nuit);
  padding: 15px 34px;
  border: 0;
  border-radius: 4px;
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: background .18s ease, transform .18s ease;
}
.bouton-principal:hover { background: var(--or-clair); transform: translateY(-1px); }
.bouton-principal:active { transform: translateY(0); }
.bouton-principal:disabled { background: #C9D0D8; color: var(--gris); cursor: not-allowed; transform: none; }
.bouton-large { width: 100%; padding: 16px; font-size: 1.05rem; }

.lien-fleche {
  display: inline-block;
  color: var(--nuit);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid var(--or);
  padding-bottom: 2px;
}
.lien-fleche::after { content: " →"; color: var(--or-fonce); }
.lien-fleche:hover { color: var(--or-fonce); }

/* --------------------------------------------------------------- sections */

.section { padding: clamp(56px, 8vw, 96px) 0; }

/* ------------------------------------------------------------- l'ouvrage */

.ouvrage { background: var(--blanc); }

.ouvrage-grille {
  display: grid;
  grid-template-columns: minmax(220px, 320px) 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

.couverture-attente {
  aspect-ratio: 3 / 4;
  background: linear-gradient(165deg, var(--nuit-2) 0%, var(--nuit) 58%, var(--nuit-3) 100%);
  border: 1px solid rgba(232,163,61,.34);
  border-radius: 3px;
  box-shadow: 0 18px 44px rgba(15,36,64,.24);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  padding: 34px 26px;
  text-align: center;
  color: var(--blanc);
}
.ca-collection {
  font-size: 0.62rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--or);
}
.ca-titre { font-family: var(--serif); font-size: 1.25rem; font-weight: 600; line-height: 1.3; }
.ca-mention {
  font-family: var(--serif); font-style: italic; font-size: 1.05rem; color: var(--or-clair);
  border-top: 1px solid rgba(232,163,61,.34);
  border-bottom: 1px solid rgba(232,163,61,.34);
  padding: 8px 0;
}
.ca-vol { font-size: 0.7rem; color: rgba(255,255,255,.55); letter-spacing: 0.1em; }

.mention-vade {
  font-family: var(--serif); font-style: italic; font-size: 1.3rem;
  color: var(--or-fonce); margin: -8px 0 22px;
}

.ouvrage-texte p { color: var(--texte-doux); max-width: 62ch; }

.credits { margin: 28px 0; display: grid; gap: 14px; }
.credits > div { border-left: 2px solid var(--bord); padding-left: 16px; }
.credits dt {
  font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--gris); margin-bottom: 3px;
}
.credits dd { margin: 0; font-weight: 600; color: var(--nuit); }

/* ------------------------------------------------------------ collections */

.collections { background: var(--creme); }

.grille-collections {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(248px, 1fr));
  gap: 22px;
  margin-top: 44px;
}

.collection {
  background: var(--blanc);
  border: 1px solid var(--bord);
  border-top: 3px solid var(--or);
  border-radius: 4px;
  padding: 28px 26px;
}
.collection h3 { margin-bottom: 10px; }
.collection p { color: var(--texte-doux); font-size: 0.95rem; margin: 0; }

/* ----------------------------------------------------------- inscription */

.inscription { background: var(--blanc); }
.intro-form { color: var(--texte-doux); max-width: 56ch; margin: 0 auto 40px; }

.formulaire {
  background: var(--creme-2);
  border: 1px solid var(--bord);
  border-radius: 6px;
  padding: clamp(26px, 4vw, 40px);
}

.champ { margin-bottom: 22px; border: 0; padding: 0; }

.champ label, .champ legend {
  display: block;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--nuit);
  margin-bottom: 8px;
  padding: 0;
}

.requis { color: var(--or-fonce); }
.facultatif {
  font-weight: 400; font-size: 0.76rem; color: var(--gris);
  text-transform: lowercase; letter-spacing: 0.04em; margin-left: 4px;
}

.champ input[type="text"], .champ input[type="email"] {
  width: 100%;
  padding: 13px 15px;
  border: 1px solid var(--bord);
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
  background: var(--blanc);
  color: var(--texte);
}
.champ input:focus { border-color: var(--or); outline: 2px solid rgba(232,163,61,.3); outline-offset: 0; }
.champ input[aria-invalid="true"] { border-color: #B33F3F; background: #FDF6F6; }

.choix { display: flex; flex-wrap: wrap; gap: 10px; }
.puce { margin: 0; }
.puce input { position: absolute; opacity: 0; width: 0; height: 0; }
.puce span {
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid var(--bord);
  border-radius: 20px;
  background: var(--blanc);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all .15s ease;
}
.puce input:checked + span { background: var(--nuit); color: var(--blanc); border-color: var(--nuit); }
.puce input:focus-visible + span { outline: 3px solid var(--or); outline-offset: 2px; }
.puce span:hover { border-color: var(--or); }

.pot-de-miel { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.message { margin: 18px 0 0; padding: 0; font-size: 0.95rem; font-weight: 600; }
.message:empty { display: none; }
.message.succes { color: #1F6B3F; background: #E9F6EE; border-left: 3px solid #1F6B3F; padding: 13px 16px; border-radius: 4px; }
.message.erreur { color: #B33F3F; background: #FBEDED; border-left: 3px solid #B33F3F; padding: 13px 16px; border-radius: 4px; }

.rgpd { font-size: 0.82rem; color: var(--gris); margin: 20px 0 0; line-height: 1.6; }
.rgpd a { color: var(--texte-doux); }

/* ------------------------------------------------------------------ pied */

.pied { background: var(--nuit); color: rgba(255,255,255,.76); padding: clamp(48px, 6vw, 72px) 0 0; }

.pied-grille {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 36px;
  padding-bottom: 44px;
}

.pied-marque {
  font-family: var(--serif); font-size: 1.9rem; font-weight: 700;
  color: var(--or); letter-spacing: 0.05em; margin: 0 0 6px; line-height: 1;
}
.pied-signature {
  font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: rgba(255,255,255,.5); margin: 0 0 16px;
}
.pied-entite { font-size: 0.88rem; margin: 0; line-height: 1.6; }

.pied h3 {
  font-family: var(--sans); font-size: 0.74rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--or); margin: 0 0 14px; font-weight: 700;
}

.pied-liste { list-style: none; margin: 0; padding: 0; }
.pied-liste li { margin-bottom: 9px; font-size: 0.92rem; }
.pied-liste a { color: rgba(255,255,255,.8); text-decoration: none; }
.pied-liste a:hover { color: var(--or); }
.pied-liste.sans-lien li { color: rgba(255,255,255,.72); }

.pied-bas {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 22px 24px;
  max-width: var(--large);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  justify-content: space-between;
  font-size: 0.82rem;
  color: rgba(255,255,255,.5);
}
.pied-bas p { margin: 0; }
.pied-bas a { color: rgba(255,255,255,.72); }
.pied-bas a:hover { color: var(--or); }

/* -------------------------------------------------------------- responsive */

@media (max-width: 860px) {
  .ouvrage-grille { grid-template-columns: 1fr; }
  .ouvrage-visuel { max-width: 260px; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .hero-fond { background-image: url("assets/hero-mobile.jpg"); }
  .hero-fond::after {
    background: linear-gradient(175deg, rgba(15,36,64,.9) 0%, rgba(15,36,64,.94) 100%);
  }
  .compte-rebours { gap: 10px; }
  .cr-bloc { min-width: 70px; padding: 10px 12px; }
  .bouton-principal { width: 100%; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}