/* =========================================================================
   Studia — site public
   En-tete, pages editoriales, catalogue et pied de page.
   ========================================================================= */

/* --- En-tete ----------------------------------------------------------- */

.entete {
  position: sticky; top: 0; z-index: 500;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--bord);
}
.entete-barre { display: flex; align-items: center; gap: 30px; height: 70px; }


.nav-principale { display: flex; align-items: center; gap: 3px; }
.nav-lien {
  padding: 8px 13px; border-radius: var(--r-sm); font-size: .875rem;
  font-weight: 500; color: var(--texte-doux); transition: var(--transition);
}
.nav-lien:hover { background: var(--voile); color: var(--texte); }
.nav-lien.actif { color: var(--bleu); font-weight: 600; }

/* Menu deroulant du catalogue */
.nav-groupe { position: relative; }
.nav-panneau {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(-6px);
  width: 620px; background: var(--surface); border: 1px solid var(--bord);
  border-radius: var(--r-lg); box-shadow: var(--ombre-lg); padding: 20px;
  opacity: 0; visibility: hidden; transition: var(--transition);
  display: grid; grid-template-columns: 1fr 1fr; gap: 6px;
}
.nav-groupe:hover .nav-panneau, .nav-groupe:focus-within .nav-panneau {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}
.nav-panneau-lien { display: flex; gap: 12px; padding: 11px 13px; border-radius: var(--r-sm); transition: var(--transition); }
.nav-panneau-lien:hover { background: var(--voile); }
.nav-panneau-icone { width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center; flex-shrink: 0; }
.nav-panneau-icone svg { width: 17px; height: 17px; }
.nav-panneau-lien strong { display: block; font-size: .85rem; margin-bottom: 1px; }
.nav-panneau-lien span { font-size: .76rem; color: var(--texte-doux); line-height: 1.45; }

.entete-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }

/* Selecteur de pays */
.selecteur-pays { position: relative; }
.selecteur-pays-bouton {
  display: flex; align-items: center; gap: 7px; padding: 7px 12px;
  border: 1.5px solid var(--bord); border-radius: var(--r-pleine);
  background: var(--surface); cursor: pointer; font-size: .84rem; font-weight: 500;
  transition: var(--transition);
}
.selecteur-pays-bouton:hover { border-color: var(--bord-fort); }
.selecteur-pays-bouton .drapeau { font-size: 1.05rem; line-height: 1; }
.selecteur-pays-bouton svg { width: 13px; height: 13px; color: var(--texte-faible); }
.selecteur-pays-liste {
  position: absolute; top: calc(100% + 8px); right: 0; width: 246px; z-index: 520;
  background: var(--surface); border: 1px solid var(--bord); border-radius: var(--r);
  box-shadow: var(--ombre-lg); padding: 6px; display: none; max-height: 340px; overflow-y: auto;
}
.selecteur-pays-liste.ouvert { display: block; }
.selecteur-pays-liste button {
  display: flex; align-items: center; gap: 10px; width: 100%; padding: 9px 11px;
  border: none; background: none; cursor: pointer; border-radius: var(--r-sm);
  font-size: .85rem; text-align: left; transition: var(--transition);
}
.selecteur-pays-liste button:hover { background: var(--voile); }
.selecteur-pays-liste button.actif { background: var(--bleu-clair); color: var(--bleu-fonce); font-weight: 600; }
.selecteur-pays-liste .drapeau { font-size: 1.15rem; line-height: 1; }
.selecteur-pays-liste .systeme { display: block; font-size: .72rem; color: var(--texte-faible); }

.burger { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.burger svg { width: 23px; height: 23px; }

.menu-mobile {
  display: none; padding: 14px 0 22px; border-top: 1px solid var(--bord);
}
.menu-mobile.ouvert { display: block; }
.menu-mobile a {
  display: block; padding: 11px 4px; font-size: .95rem; font-weight: 500;
  border-bottom: 1px solid var(--bord);
}
.menu-mobile .actions-mobile { display: flex; flex-direction: column; gap: 10px; margin-top: 18px; }

@media (max-width: 1020px) {
  .nav-principale, .entete-actions .bouton-contour { display: none; }
  .burger { display: block; margin-left: auto; }
  .entete-actions { margin-left: 0; }
}

/* --- Banniere d'accueil ------------------------------------------------ */

.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(165deg, var(--encre) 0%, #12294d 55%, #163664 100%);
  color: #fff; padding: 90px 0 100px;
}
.hero::before, .hero::after {
  content: ''; position: absolute; border-radius: 50%; pointer-events: none;
}
.hero::before { width: 620px; height: 620px; background: radial-gradient(circle, rgba(245,158,11,.16), transparent 65%); top: -280px; right: -160px; }
.hero::after  { width: 520px; height: 520px; background: radial-gradient(circle, rgba(29,78,216,.35), transparent 68%); bottom: -300px; left: -180px; }

.hero-grille { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero h1 { margin: 20px 0 20px; color: #fff; }
.hero h1 .accent { color: var(--ambre); }
.hero-chapeau { font-size: 1.1rem; color: rgba(255, 255, 255, .78); line-height: 1.7; max-width: 540px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 30px 0 26px; }
.hero-mentions { display: flex; gap: 22px; flex-wrap: wrap; font-size: .82rem; color: rgba(255,255,255,.62); }
.hero-mentions span { display: flex; align-items: center; gap: 7px; }
.hero-mentions svg { width: 15px; height: 15px; color: var(--ambre); }

.hero-visuel {
  background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .13);
  border-radius: var(--r-xl); padding: 22px; backdrop-filter: blur(8px);
}
.hero-fenetre { background: rgba(255,255,255,.04); border-radius: var(--r); overflow: hidden; }
.hero-fenetre-barre {
  display: flex; align-items: center; gap: 8px; padding: 11px 15px;
  border-bottom: 1px solid rgba(255,255,255,.09); font-size: .74rem; color: rgba(255,255,255,.6);
}
.hero-fenetre-barre i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,.22); }
.hero-tuiles { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 15px; }
.hero-tuile {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r-sm); padding: 13px; aspect-ratio: 4/3;
  display: flex; flex-direction: column; justify-content: space-between;
}
.hero-tuile .avatar { background: rgba(255,255,255,.16); }
.hero-tuile-nom { font-size: .74rem; color: rgba(255,255,255,.78); }
.hero-tuile.anime { border-color: var(--ambre); background: rgba(245,158,11,.1); }
.hero-barre-outils {
  display: flex; gap: 8px; justify-content: center; padding: 13px;
  border-top: 1px solid rgba(255,255,255,.09);
}
.hero-outil {
  width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(255,255,255,.1); color: rgba(255,255,255,.8);
}
.hero-outil svg { width: 15px; height: 15px; }
.hero-outil.rouge { background: var(--rouge); color: #fff; }

/* Illustration d'accompagnement, utilisee dans les bannieres et les sections */
.hero-illustration img {
  width: 100%; height: auto; border-radius: var(--r-lg);
  filter: drop-shadow(0 22px 48px rgba(11, 27, 51, .22));
}
.illustration-bloc { display: grid; place-items: center; }
.illustration-bloc img { width: 100%; max-width: 560px; height: auto; }

@media (max-width: 980px) {
  .hero-grille { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding: 60px 0 70px; }
  .hero-illustration { max-width: 560px; margin-inline: auto; }
}

/* --- Bandeau de chiffres ------------------------------------------------ */

.bandeau-chiffres {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--bord); border-radius: var(--r-lg);
  background: var(--surface); overflow: hidden; box-shadow: var(--ombre-sm);
  margin-top: -46px; position: relative; z-index: 10;
}
.chiffre { padding: 26px 22px; text-align: center; border-right: 1px solid var(--bord); }
.chiffre:last-child { border-right: none; }
.chiffre-valeur { font-size: 1.9rem; font-weight: 800; letter-spacing: -.03em; color: var(--encre); line-height: 1.1; }
.chiffre-libelle { font-size: .8rem; color: var(--texte-doux); margin-top: 5px; }
@media (max-width: 760px) {
  .bandeau-chiffres { grid-template-columns: 1fr 1fr; margin-top: -30px; }
  .chiffre:nth-child(2) { border-right: none; }
  .chiffre:nth-child(-n+2) { border-bottom: 1px solid var(--bord); }
}

/* --- Etapes du parcours ------------------------------------------------- */

.etapes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.etape { padding: 0 24px; position: relative; }
.etape:not(:last-child)::after {
  content: ''; position: absolute; top: 26px; right: 0; width: 1px; height: calc(100% - 40px);
  background: var(--bord);
}
.etape-numero {
  font-family: var(--police-titre); font-size: 2.1rem; font-weight: 600;
  color: var(--bord-fort); line-height: 1; margin-bottom: 14px;
}
.etape-icone {
  width: 42px; height: 42px; border-radius: 12px; background: var(--bleu-clair);
  color: var(--bleu); display: grid; place-items: center; margin-bottom: 14px;
}
.etape-icone svg { width: 20px; height: 20px; }
.etape h3 { font-size: 1.02rem; margin-bottom: 8px; }
.etape p { font-size: .87rem; color: var(--texte-doux); line-height: 1.65; }
@media (max-width: 900px) {
  .etapes { grid-template-columns: 1fr 1fr; gap: 34px 0; }
  .etape:nth-child(2)::after { display: none; }
}
@media (max-width: 560px) {
  .etapes { grid-template-columns: 1fr; }
  .etape { padding: 0; }
  .etape::after { display: none !important; }
}

/* --- Cartes profil ------------------------------------------------------ */

.carte-profil {
  background: var(--surface); border: 1px solid var(--bord); border-radius: var(--r-lg);
  padding: 30px; display: flex; flex-direction: column; transition: var(--transition);
  border-top: 3px solid var(--accent, var(--bleu));
}
.carte-profil:hover { box-shadow: var(--ombre); transform: translateY(-3px); }
.carte-profil h3 { margin-bottom: 10px; }
.carte-profil > p { font-size: .9rem; color: var(--texte-doux); margin-bottom: 20px; line-height: 1.65; }

/* --- Cartes du catalogue ------------------------------------------------ */


.etoiles { display: inline-flex; gap: 1px; color: var(--ambre); }
.etoiles svg { width: 13px; height: 13px; }
.etoiles .vide { color: var(--bord-fort); }

/* --- Cartes domaine et filiere ------------------------------------------ */

.carte-domaine {
  position: relative; overflow: hidden; padding: 28px;
  border-radius: var(--r-lg); border: 1px solid var(--bord); background: var(--surface);
  transition: var(--transition); display: flex; flex-direction: column;
}
.carte-domaine:hover { transform: translateY(-3px); box-shadow: var(--ombre); border-color: var(--teinte, var(--bleu)); }
.carte-domaine::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--teinte, var(--bleu));
}
.carte-domaine-icone {
  width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center;
  margin-bottom: 16px; color: #fff; background: var(--teinte, var(--bleu));
}
.carte-domaine-icone svg { width: 22px; height: 22px; }
.carte-domaine h3 { margin-bottom: 9px; }
.carte-domaine p { font-size: .875rem; color: var(--texte-doux); line-height: 1.62; margin-bottom: 18px; flex: 1; }
.carte-domaine-pied { display: flex; align-items: center; justify-content: space-between; font-size: .8rem; color: var(--texte-faible); }


/* --- Enseignants --------------------------------------------------------- */

.carte-enseignant {
  background: var(--surface); border: 1px solid var(--bord); border-radius: var(--r-lg);
  padding: 26px; text-align: center; transition: var(--transition);
}
.carte-enseignant:hover { box-shadow: var(--ombre); transform: translateY(-3px); }
.carte-enseignant .avatar { margin: 0 auto 15px; }
.carte-enseignant h4 { font-size: 1rem; margin-bottom: 4px; }
.carte-enseignant .role { font-size: .8rem; color: var(--texte-doux); margin-bottom: 13px; min-height: 34px; }
.carte-enseignant-stats {
  display: flex; justify-content: center; gap: 18px; padding-top: 14px;
  border-top: 1px solid var(--bord); font-size: .76rem; color: var(--texte-faible);
}
.carte-enseignant-stats strong { display: block; font-size: .95rem; color: var(--texte); }

/* --- Temoignages --------------------------------------------------------- */

.temoignage {
  background: var(--surface); border: 1px solid var(--bord); border-radius: var(--r-lg);
  padding: 28px; display: flex; flex-direction: column; gap: 18px;
}
.temoignage-texte { font-size: .95rem; line-height: 1.72; color: var(--texte); flex: 1; }
.temoignage-texte::before { content: '\201C'; font-family: var(--police-titre); font-size: 2.6rem; color: var(--bord-fort); display: block; line-height: .6; margin-bottom: 8px; }
.temoignage-auteur { font-size: .84rem; }
.temoignage-auteur strong { display: block; }
.temoignage-auteur span { color: var(--texte-faible); font-size: .78rem; }

/* --- Tarifs -------------------------------------------------------------- */


/* --- Questions frequentes ------------------------------------------------ */

.faq-bloc { border: 1px solid var(--bord); border-radius: var(--r); background: var(--surface); overflow: hidden; }
.faq-bloc + .faq-bloc { margin-top: 10px; }
.faq-question {
  width: 100%; text-align: left; padding: 18px 22px; background: none; border: none;
  cursor: pointer; display: flex; align-items: center; justify-content: space-between;
  gap: 16px; font-size: .95rem; font-weight: 600; transition: var(--transition);
}
.faq-question:hover { background: var(--voile); }
.faq-question svg { width: 18px; height: 18px; flex-shrink: 0; color: var(--texte-faible); transition: transform var(--transition); }
.faq-bloc.ouvert .faq-question svg { transform: rotate(180deg); }
.faq-reponse { display: none; padding: 0 22px 20px; font-size: .9rem; color: var(--texte-doux); line-height: 1.72; }
.faq-bloc.ouvert .faq-reponse { display: block; }

/* --- Contenu editorial --------------------------------------------------- */


/* --- Appel a l'action final ---------------------------------------------- */

.appel {
  background: linear-gradient(135deg, var(--encre), #1a3766);
  border-radius: var(--r-xl); padding: 56px 46px; color: #fff;
  text-align: center; position: relative; overflow: hidden;
}
.appel::before {
  content: ''; position: absolute; width: 480px; height: 480px; border-radius: 50%;
  background: radial-gradient(circle, rgba(245,158,11,.16), transparent 65%);
  top: -240px; right: -120px;
}
.appel > * { position: relative; }
.appel h2 { color: #fff; margin-bottom: 14px; }
.appel p { color: rgba(255,255,255,.75); max-width: 560px; margin: 0 auto 28px; line-height: 1.7; }
.appel-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

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

.pied { background: var(--encre); color: rgba(255, 255, 255, .68); padding: 60px 0 26px; margin-top: auto; }
.pied-grille { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 44px; margin-bottom: 44px; }
.pied .marque-nom { color: #fff; }
.pied-intro { font-size: .87rem; line-height: 1.7; margin: 16px 0 20px; max-width: 320px; }
.pied h4 { color: #fff; font-size: .8rem; text-transform: uppercase; letter-spacing: .09em; margin-bottom: 16px; }
.pied-liens { display: flex; flex-direction: column; gap: 10px; }
.pied-liens a { font-size: .87rem; transition: var(--transition); }
.pied-liens a:hover { color: #fff; }
.pied-contact { display: flex; flex-direction: column; gap: 9px; font-size: .85rem; }
.pied-contact span { display: flex; align-items: center; gap: 9px; }
.pied-contact svg { width: 15px; height: 15px; color: var(--ambre); flex-shrink: 0; }
.pied-bas {
  border-top: 1px solid rgba(255, 255, 255, .1); padding-top: 22px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: .8rem;
}
.pied-social { display: flex; gap: 9px; }
.pied-social a {
  width: 33px; height: 33px; border-radius: 50%; background: rgba(255, 255, 255, .08);
  display: grid; place-items: center; transition: var(--transition);
}
.pied-social a:hover { background: var(--bleu); color: #fff; }
.pied-social svg { width: 15px; height: 15px; }
@media (max-width: 860px) { .pied-grille { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 520px) { .pied-grille { grid-template-columns: 1fr; } }

/* --- Page d'authentification --------------------------------------------- */

.auth { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.auth-recit {
  background: linear-gradient(165deg, var(--encre), #16305c); color: #fff;
  padding: 48px; display: flex; flex-direction: column; justify-content: space-between;
  position: relative; overflow: hidden;
}
.auth-recit::before {
  content: ''; position: absolute; width: 540px; height: 540px; border-radius: 50%;
  background: radial-gradient(circle, rgba(245,158,11,.15), transparent 65%);
  bottom: -260px; left: -180px;
}
.auth-recit > * { position: relative; }
.auth-recit h2 { color: #fff; font-size: 1.7rem; margin-bottom: 16px; }
.auth-recit p { color: rgba(255,255,255,.72); line-height: 1.72; margin-bottom: 26px; }
.auth-atouts { display: flex; flex-direction: column; gap: 15px; }
.auth-atout { display: flex; gap: 13px; align-items: flex-start; }
.auth-atout-icone {
  width: 34px; height: 34px; border-radius: 10px; background: rgba(255,255,255,.1);
  display: grid; place-items: center; flex-shrink: 0; color: var(--ambre);
}
.auth-atout-icone svg { width: 16px; height: 16px; }
.auth-atout strong { display: block; font-size: .89rem; color: #fff; margin-bottom: 2px; }
.auth-atout span { font-size: .81rem; color: rgba(255,255,255,.62); line-height: 1.55; }

.auth-formulaire {
  display: flex; align-items: center; justify-content: center;
  padding: 48px 32px; background: var(--surface); overflow-y: auto;
}
.auth-boite { width: 100%; max-width: 430px; }
.auth-boite.large { max-width: 620px; }
.auth-boite h1 { font-size: 1.65rem; margin-bottom: 8px; }
.auth-boite > .chapeau { margin-bottom: 28px; font-size: .92rem; }
.auth-pied { margin-top: 26px; text-align: center; font-size: .87rem; color: var(--texte-doux); }
.auth-pied a { color: var(--bleu); font-weight: 600; }
.auth-retour { display: inline-flex; align-items: center; gap: 7px; font-size: .84rem; color: var(--texte-doux); margin-bottom: 26px; }
.auth-retour svg { width: 15px; height: 15px; }
.auth-retour:hover { color: var(--bleu); }

@media (max-width: 940px) {
  .auth { grid-template-columns: 1fr; }
  .auth-recit { display: none; }
  .auth-formulaire { padding: 34px 20px; min-height: 100vh; }
}

/* --- Choix du profil d'inscription ---------------------------------------- */

.choix-profils { display: grid; gap: 14px; }
.choix-profil {
  display: flex; gap: 16px; align-items: center; padding: 20px;
  border: 1.5px solid var(--bord); border-radius: var(--r); background: var(--surface);
  transition: var(--transition);
}
.choix-profil:hover { border-color: var(--accent, var(--bleu)); box-shadow: var(--ombre-sm); transform: translateX(3px); }
.choix-profil-icone {
  width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center;
  color: #fff; background: var(--accent, var(--bleu)); flex-shrink: 0;
}
.choix-profil-icone svg { width: 22px; height: 22px; }
.choix-profil strong { display: block; font-size: .97rem; margin-bottom: 3px; }
.choix-profil span { font-size: .84rem; color: var(--texte-doux); line-height: 1.55; }
.choix-profil .fleche { margin-left: auto; color: var(--texte-faible); }
.choix-profil .fleche svg { width: 18px; height: 18px; }

/* --- Barre de filtres du catalogue ---------------------------------------- */


/* --- Fiche detaillee d'un cours -------------------------------------------- */

.cours-entete { background: var(--encre); color: #fff; padding: 52px 0 60px; }
.cours-entete h1 { color: #fff; font-size: clamp(1.7rem, 3.4vw, 2.4rem); margin: 14px 0 16px; }
.cours-entete .chapeau { color: rgba(255,255,255,.76); max-width: 640px; }
.cours-fil { display: flex; gap: 8px; align-items: center; font-size: .82rem; color: rgba(255,255,255,.6); flex-wrap: wrap; }
.cours-fil a:hover { color: #fff; }
.cours-meta-ligne { display: flex; gap: 22px; flex-wrap: wrap; margin-top: 24px; font-size: .85rem; color: rgba(255,255,255,.72); }
.cours-meta-ligne span { display: flex; align-items: center; gap: 7px; }
.cours-meta-ligne svg { width: 16px; height: 16px; color: var(--ambre); }

.cours-corps { display: grid; grid-template-columns: 1fr 348px; gap: 40px; align-items: start; padding: 44px 0 70px; }
.cours-panneau { position: sticky; top: 92px; }
@media (max-width: 940px) {
  .cours-corps { grid-template-columns: 1fr; }
  .cours-panneau { position: static; }
}