/* SUPERMATHS — Accueil : finitions animées et intelligentes (couleurs claires de la marque)
   Ce fichier ne change pas la mise en page : il ajoute relief, animations et interactions. */
:root{--hp-t:#19b8ae;--hp-td:#0d8a83;--hp-ink:#13283a;--hp-mu:#5d7482;--hp-rose:#ff6f9f;--hp-sun:#ffc75a;--hp-mint:#effaf8;--hp-line:#e2eff0}

/* ---------- Apparition au défilement ---------- */
html.hp-js .hp-rv{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.8,.2,1),transform .7s cubic-bezier(.2,.8,.2,1);transition-delay:calc(var(--d,0)*90ms)}
html.hp-js .hp-rv.hp-in{opacity:1;transform:none}

/* ---------- En-tête : ombre au défilement + lien actif ---------- */
body .topnav{transition:box-shadow .3s,background .3s}
body.hp-scrolled .topnav{box-shadow:0 8px 26px rgba(19,40,58,.08)!important;background:rgba(255,255,255,.94)!important;backdrop-filter:blur(10px)}
body .navlinks a:not(.login-btn){position:relative}
body .navlinks a:not(.login-btn)::after{content:"";position:absolute;left:12%;right:12%;bottom:-6px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--hp-t),var(--hp-rose));transform:scaleX(0);transition:transform .3s}
body .navlinks a.hp-active::after,body .navlinks a:not(.login-btn):hover::after{transform:scaleX(1)}
body .navlinks a.hp-active{color:var(--hp-td)!important}

/* ---------- Titres de section : petit trait coloré animé ---------- */
body main .section-heading>span{position:relative;display:inline-flex;align-items:center;gap:8px;color:var(--hp-td)!important;letter-spacing:.12em}
body main .section-heading>span::before{content:"";width:22px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--hp-t),var(--hp-rose))}

/* ---------- Bloc « Les bonnes bases » ---------- */
body .hero .primary-action{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--hp-t),var(--hp-td))!important;box-shadow:0 12px 26px rgba(25,184,174,.3)!important;transition:transform .2s,box-shadow .2s}
body .hero .primary-action::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.45) 50%,transparent 70%);transform:translateX(-120%);animation:hpShine 5s 2s infinite}
body .hero .primary-action:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(25,184,174,.38)!important}
body .hero .secondary-action{transition:transform .2s,border-color .2s}
body .hero .secondary-action:hover{transform:translateY(-2px);border-color:var(--hp-t)!important}
body .quick-benefits>div{transition:transform .25s}
body .quick-benefits>div:hover{transform:translateY(-3px)}
body .quick-benefits b{background:linear-gradient(135deg,var(--hp-t),#0f9cc0);-webkit-background-clip:text;background-clip:text;color:transparent!important}
body .sm404-hero-visual{transition:transform .5s cubic-bezier(.2,.8,.2,1)}
body .sm404-hero-visual:hover{transform:translateY(-4px) rotate(-.4deg)}
@keyframes hpShine{0%{transform:translateX(-120%)}22%,100%{transform:translateX(120%)}}

/* ---------- Vidéo ---------- */
body .sm405-video-wrap{border-radius:26px!important;overflow:hidden;box-shadow:0 22px 50px rgba(16,70,80,.14)!important}

/* ---------- Bande « Depuis 2017… » ---------- */
body .mini-bar>div{transition:transform .25s,background .25s;border-radius:18px}
body .mini-bar>div:hover{transform:translateY(-3px);background:#fff}
body .mini-bar strong{color:var(--hp-ink)}
body .mini-bar .hp-years{display:block;margin-top:2px;font-size:12px;font-weight:800;color:var(--hp-td)}

/* ---------- Cartes « Nos cours » : cliquables ---------- */
body #cours .course-card{position:relative;overflow:hidden;cursor:pointer;background:#fff!important;border:1px solid var(--hp-line)!important;border-radius:22px!important;
  box-shadow:0 8px 24px rgba(16,70,80,.06)!important;transition:transform .3s cubic-bezier(.2,.8,.2,1),box-shadow .3s,border-color .3s}
body #cours .course-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--hp-t),#0f9cc0)}
body #cours .course-card.sand::before{background:linear-gradient(180deg,var(--hp-sun),#ff9f6b)}
body #cours .course-card.blue::before{background:linear-gradient(180deg,#5aa9ff,var(--hp-t))}
body #cours .course-card:hover,body #cours .course-card:focus-visible{transform:translateY(-5px);border-color:#bfe6e3!important;box-shadow:0 18px 38px rgba(16,90,95,.14)!important;outline:0}
body #cours .course-icon{transition:transform .4s cubic-bezier(.3,1.6,.5,1)}
body #cours .course-card:hover .course-icon{transform:rotate(-8deg) scale(1.1)}
body #cours .hp-go{display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-size:13px;font-weight:800;color:var(--hp-td)}
body #cours .hp-go i{font-style:normal;font-size:11px;padding:3px 8px;border-radius:999px;background:#e7f7f5;color:var(--hp-td)}
body #cours .hp-go.soon{color:#c0476f}body #cours .hp-go.soon i{background:#ffe9f0;color:#c0476f}
body #cours .hp-go span{transition:transform .25s}
body #cours .course-card:hover .hp-go span{transform:translateX(4px)}

/* ---------- Méthode : étapes reliées par une ligne qui se dessine ---------- */
body .method-list{position:relative}
body .method-list>div{position:relative;z-index:1;transition:transform .25s,box-shadow .25s;border-radius:18px}
body .method-list>div:hover{transform:translateX(4px)}
body .method-list b{background:linear-gradient(135deg,var(--hp-t),#0f9cc0)!important;color:#fff!important;box-shadow:0 8px 18px rgba(25,184,174,.3)}
body .method-list .hp-line{position:absolute;z-index:0;left:var(--hp-lx,28px);top:30px;bottom:30px;width:3px;border-radius:3px;background:var(--hp-line);overflow:hidden}
body .method-list .hp-line i{position:absolute;left:0;right:0;top:0;height:0;background:linear-gradient(180deg,var(--hp-t),var(--hp-rose));transition:height 1.4s cubic-bezier(.2,.8,.2,1) .3s}
body .method-list.hp-in .hp-line i{height:100%}

/* ---------- Niveaux : cartes + niveaux cliquables ---------- */
body .levels-grid article{position:relative;overflow:hidden;background:linear-gradient(160deg,#fff,var(--hp-mint))!important;border:1px solid var(--hp-line)!important;border-radius:24px!important;
  box-shadow:0 10px 28px rgba(16,70,80,.07)!important;transition:transform .3s,box-shadow .3s}
body .levels-grid article:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(16,90,95,.13)!important}
body .levels-grid article::after{content:"";position:absolute;right:-50px;top:-50px;width:150px;height:150px;border-radius:50%;background:radial-gradient(circle,rgba(255,111,159,.16),transparent 70%)}
body .hp-levels{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px;position:relative;z-index:1}
body .hp-levels button{border:1.5px solid #d6e8ea;border-radius:999px;background:#fff;padding:7px 12px;font:inherit;font-size:13px;font-weight:700;color:#2f4b59;cursor:pointer;transition:all .2s}
body .hp-levels button:hover{border-color:var(--hp-t);color:var(--hp-td);transform:translateY(-2px);box-shadow:0 6px 14px rgba(25,184,174,.15)}
body .hp-levels button em{font-style:normal;margin-left:5px;font-size:10.5px;font-weight:900;padding:1px 6px;border-radius:999px;background:var(--hp-rose);color:#fff}

/* ---------- Appel à l'action : clair et lumineux ---------- */
body .cta{position:relative;overflow:hidden;background:linear-gradient(120deg,#e8f8f6 0%,#f4fbff 50%,#fff0f5 100%)!important;border:1px solid var(--hp-line)!important;color:var(--hp-ink)!important;box-shadow:0 18px 44px rgba(16,70,80,.08)!important}
body .cta::before{content:"";position:absolute;width:320px;height:320px;right:-80px;top:-140px;border-radius:50%;background:radial-gradient(circle,rgba(25,184,174,.22),transparent 65%);animation:hpFloat 9s ease-in-out infinite alternate;pointer-events:none}
body .cta h2,body .cta p,body .cta span{color:var(--hp-ink)!important}
body .cta p{color:var(--hp-mu)!important}
body .cta span b{color:var(--hp-td)!important}
body .cta .hp-cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:10px;align-items:center}
body .cta .hp-cta-actions>a{display:inline-flex!important;align-items:center;justify-content:center;padding:14px 24px!important;border-radius:999px!important;font-weight:800!important;font-size:15px!important;text-decoration:none!important;border:0!important;background:linear-gradient(135deg,var(--hp-t),var(--hp-td))!important;color:#fff!important;box-shadow:0 12px 26px rgba(25,184,174,.3)!important;transition:transform .2s}
body .cta .hp-cta-actions>a:hover{transform:translateY(-2px)}
body .cta .hp-pub{border:1.5px solid #f6c6d5;border-radius:999px;background:#fff;color:#c0476f;padding:13px 20px;font:inherit;font-weight:800;font-size:15px;cursor:pointer;transition:transform .2s,background .2s}
body .cta .hp-pub:hover{transform:translateY(-2px);background:#fff5f8}
@keyframes hpFloat{to{transform:translate(-40px,40px) scale(1.1)}}

/* ---------- Contact ---------- */
body .contact-grid a{position:relative;transition:transform .25s,box-shadow .25s,border-color .25s}
body .contact-grid a:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(16,70,80,.1)!important;border-color:#bfe6e3!important}
body .contact-icon{background:linear-gradient(135deg,#e7f8f6,#ffeef4)!important;color:var(--hp-td)!important}
body .hp-copy{margin-left:auto;border:0;border-radius:999px;padding:6px 11px;background:#e7f7f5;color:var(--hp-td);font:inherit;font-size:12px;font-weight:800;cursor:pointer}

/* ---------- Pied de page ---------- */
body footer .hp-foot-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 18px;margin:10px 0}
body footer .hp-foot-nav a{color:var(--hp-mu);font-size:13.5px;font-weight:600;text-decoration:none}
body footer .hp-foot-nav a:hover{color:var(--hp-td)}

/* ---------- Bouton « haut de page » ---------- */
.hp-top{position:fixed;right:18px;bottom:18px;z-index:9000;width:46px;height:46px;border:0;border-radius:50%;background:#fff;color:var(--hp-td);font-size:20px;cursor:pointer;
  box-shadow:0 10px 26px rgba(16,70,80,.18);opacity:0;transform:translateY(16px) scale(.8);pointer-events:none;transition:all .3s cubic-bezier(.2,.8,.2,1)}
.hp-top.on{opacity:1;transform:none;pointer-events:auto}
.hp-top:hover{background:var(--hp-t);color:#fff}

@media(max-width:640px){
  body .cta .hp-cta-actions{width:100%}
  body .cta .hp-cta-actions>a,body .cta .hp-pub{flex:1 1 100%;text-align:center}
  .hp-top{right:12px;bottom:12px;width:42px;height:42px}
}
@media(prefers-reduced-motion:reduce){
  html.hp-js .hp-rv{opacity:1!important;transform:none!important;transition:none!important}
  body .hero .primary-action::after,body .cta::before{animation:none!important}
  body .method-list .hp-line i{transition:none;height:100%}
}

/* ---------- Mobile : bouton « Espace personnel » discret, couleur claire ---------- */
.hp-mspace{display:none}
@media(max-width:900px){
  body .topnav{display:flex!important;align-items:center!important;gap:8px}
  body .topnav .brand{margin-right:auto!important;min-width:0;flex:0 1 auto}
  .hp-mspace{display:inline-flex!important;align-items:center;justify-content:center;gap:5px;flex:0 0 auto;height:38px;padding:0 12px;border-radius:999px;
    background:#eef9f7;border:1.5px solid #c6ebe6;color:#0d8a83!important;font-size:12.5px;font-weight:800;text-decoration:none!important;
    white-space:nowrap;position:relative;z-index:5;transition:background .2s,transform .15s}
  .hp-mspace:active{transform:scale(.94);background:#dff4f1}
  .hp-mspace svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
}
/* Téléphone : seulement l'icône, pour ne jamais cacher le logo SUPERMATHS */
@media(max-width:600px){
  .hp-mspace{width:38px;padding:0}
  .hp-mspace .hp-ms-lbl{display:none}
}