/* ══════════════════════════════════════════════════════════════════
   Socle web generique — Summit Factory.

   NE CITE QUE :
     --r-*   les roles, remappes par le mode de campagne
     --sf-*  les primitives, sous le nom fixe offert par le moteur

   Aucune couleur, aucun nom de sommet, aucun texte.
   Couvre : reset, rythme de page, boutons, nav, hero, bloc
   d'inscription, formulaire, pied de page, apparition au defilement.

   Le corps editorial d'un sommet a ses propres styles, dans
   summits/<id>/styles/.
   ══════════════════════════════════════════════════════════════════ */

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--r-surface-page);color:var(--r-text-primary);
  font-family:var(--sf-font);line-height:1.6;-webkit-font-smoothing:antialiased;
  overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.wrap{max-width:1080px;margin:0 auto;padding:0 26px}
.narrow{max-width:840px}
h1,h2,h3{font-family:var(--sf-font);font-weight:var(--sf-weight-display);
  line-height:1.06;letter-spacing:var(--sf-track-display)}
section{position:relative;padding:110px 0;border-top:1px solid var(--r-line)}
.eyebrow{display:inline-flex;align-items:center;gap:.7em;font-size:.72rem;
  font-weight:var(--sf-weight-title);letter-spacing:var(--sf-track-eyebrow);
  text-transform:uppercase;color:var(--r-accent);margin-bottom:1.7rem}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--r-accent);display:block}
h2{font-size:clamp(1.85rem,4.1vw,3rem);margin-bottom:1.1rem}
.sub{font-size:1.08rem;color:var(--r-text-muted);max-width:620px}
.accent,.hl{color:var(--r-accent)}

/* ── boutons ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.75em;
  font-family:var(--sf-font);font-weight:var(--sf-weight-title);font-size:1.02rem;
  letter-spacing:-.005em;padding:1.15em 2.1em;border-radius:var(--r-action-radius);
  border:none;background:var(--r-action-bg);color:var(--r-action-text);cursor:pointer;
  position:relative;overflow:hidden;
  transition:transform .2s cubic-bezier(.2,.8,.3,1),box-shadow .25s ease;
  box-shadow:0 0 0 color-mix(in srgb,var(--r-action-bg) 0%,transparent)}
.btn:hover{transform:translateY(-2px);
  box-shadow:0 14px 40px color-mix(in srgb,var(--r-action-bg) 30%,transparent)}
.btn svg{width:15px;height:15px;flex-shrink:0}
.btn--line{background:transparent;color:var(--r-text-primary);
  box-shadow:inset 0 0 0 1.5px var(--r-line)}
.btn--line:hover{box-shadow:inset 0 0 0 1.5px var(--r-accent);color:var(--r-accent)}
.cta-note{margin-top:1.15rem;font-size:.86rem;color:var(--r-text-muted);
  font-weight:var(--sf-w-medium)}

/* ── nav ── */
nav.top{position:fixed;top:0;left:0;right:0;z-index:60;backdrop-filter:blur(14px);
  background:color-mix(in srgb,var(--r-surface-page) 72%,transparent);
  border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
nav.top.solid{border-bottom-color:var(--r-line);
  background:color-mix(in srgb,var(--r-surface-page) 93%,transparent)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:20px;
  max-width:1240px;margin:0 auto;padding:15px 26px}
.nav-in .brand{display:flex;align-items:center;gap:13px}
.nav-in .brand img{height:36px;width:auto}
body[data-logo="white"] .nav-in .brand img{filter:brightness(0) invert(1)}
.nav-in .brand span{font-size:.7rem;font-weight:var(--sf-weight-title);
  letter-spacing:.16em;text-transform:uppercase;color:var(--r-text-muted);
  padding-left:13px;border-left:1px solid var(--r-line)}
nav .btn{padding:.72em 1.4em;font-size:.85rem}
@media(max-width:620px){.nav-in .brand span{display:none}}

/* ── hero ── */
.hero{position:relative;border-top:none;padding:150px 0 120px;overflow:hidden}
.hero-in{position:relative;z-index:2;max-width:1080px;margin:0 auto;padding:0 26px}
.hero h1{font-size:clamp(2.5rem,6.6vw,5.1rem);letter-spacing:-.035em;
  margin-bottom:1.6rem;max-width:15ch}
.hero h1 .strike{position:relative;white-space:nowrap}
.hero h1 .strike::after{content:"";position:absolute;left:-.02em;right:-.02em;
  top:54.5%;height:.075em;background:var(--r-accent);transform:scaleX(0);
  transform-origin:left;animation:strike 1s cubic-bezier(.2,.8,.25,1) 1.1s forwards}
@keyframes strike{to{transform:scaleX(1)}}
.hero-lede{font-size:clamp(1.05rem,1.9vw,1.28rem);color:var(--r-text-muted);
  max-width:590px;margin-bottom:2.6rem}
.hero-lede b{color:var(--r-text-primary);font-weight:var(--sf-w-bold)}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:3.4rem}
.hero-meta span{font-size:.76rem;font-weight:var(--sf-w-bold);letter-spacing:.13em;
  text-transform:uppercase;color:var(--r-text-muted);padding:.6em 1.1em;
  border:1px solid var(--r-line);border-radius:99px}

/* signature visuelle : le masque radial est le traitement du mode.
   Sans lui, un visuel dont le fond fait partie de l'image apparait en carre. */
.orb{position:absolute;pointer-events:none;z-index:1;right:-13%;top:-6%;
  width:min(760px,68vw);aspect-ratio:1;opacity:.95}
.orb img{width:100%;height:100%;object-fit:cover;animation:drift 13s ease-in-out infinite}
body[data-crystal="masked"] .orb img{
  -webkit-mask-image:radial-gradient(circle at 50% 49%,#000 26%,rgba(0,0,0,.72) 42%,rgba(0,0,0,.22) 56%,transparent 68%);
  mask-image:radial-gradient(circle at 50% 49%,#000 26%,rgba(0,0,0,.72) 42%,rgba(0,0,0,.22) 56%,transparent 68%)}
body[data-crystal="masked"] .orb::after{content:"";position:absolute;inset:14%;
  border-radius:50%;
  background:radial-gradient(circle,color-mix(in srgb,var(--r-accent) 30%,transparent),transparent 66%);
  filter:blur(58px);z-index:-1}
@keyframes drift{0%,100%{transform:translateY(0) scale(1)}
  50%{transform:translateY(-22px) scale(1.022)}}
@media(max-width:900px){
  .hero{padding:104px 0 78px}
  .orb{position:relative;right:auto;top:auto;width:min(258px,58%);
    margin:-14px auto -6px;opacity:.9}
  .hero h1{max-width:none}
}

/* ── bloc d'inscription ── */
.final{border-top:1px solid var(--r-line);overflow:hidden;text-align:center;
  padding:130px 0 120px}
.final .glow{position:absolute;left:50%;bottom:-64%;transform:translateX(-50%);
  width:min(940px,150vw);aspect-ratio:1;pointer-events:none;z-index:0}
.final .glow img{width:100%;height:100%;object-fit:cover;opacity:.32;
  -webkit-mask-image:radial-gradient(circle at 50% 50%,#000 20%,rgba(0,0,0,.5) 38%,transparent 58%);
  mask-image:radial-gradient(circle at 50% 50%,#000 20%,rgba(0,0,0,.5) 38%,transparent 58%)}
.final .wrap{position:relative;z-index:2}
.final h2{font-size:clamp(2rem,5vw,3.5rem);max-width:16ch;margin:0 auto 1.3rem}
.final .sub{margin:0 auto 2.8rem;text-align:center}
.perks{display:flex;flex-wrap:wrap;justify-content:center;gap:9px;margin-bottom:2.4rem}
.perks span{font-size:.83rem;font-weight:var(--sf-w-semibold);color:var(--r-text-muted);
  padding:.55em 1.05em;border:1px solid var(--r-line);border-radius:99px}
.perks span::before{content:"→ ";color:var(--r-accent)}

/* ── formulaire ── */
.form{max-width:520px;margin:0 auto;display:grid;gap:11px;text-align:left}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:11px}
.form input,.form select{width:100%;font-family:var(--sf-font);font-size:.97rem;
  font-weight:var(--sf-w-semibold);color:var(--r-text-primary);
  background:color-mix(in srgb,var(--r-text-primary) 5%,transparent);
  border:1px solid var(--r-line);border-radius:var(--sf-radius-sm);
  padding:1.05em 1.15em;outline:none;transition:border-color .2s,background .2s}
.form input::placeholder{color:color-mix(in srgb,var(--r-text-primary) 40%,transparent)}
.form input:focus,.form select:focus{border-color:var(--r-accent);
  background:color-mix(in srgb,var(--r-text-primary) 7.5%,transparent)}
.form select{appearance:none;background-repeat:no-repeat;
  background-position:right 1.15em center;background-size:12px;
  padding-right:2.8em;cursor:pointer}
.form select option{background:var(--r-surface-raised);color:var(--r-text-primary)}
.form .btn{width:100%;margin-top:3px}
.formstate{max-width:520px;margin:16px auto 0;padding:.95em 1.15em;border-radius:10px;
  font-size:.93rem;font-weight:var(--sf-w-semibold);line-height:1.45;text-align:center;
  border:1px solid transparent}
/* Le systeme de marque ne definit pas de couleur d'erreur : cette teinte
   est un choix de l'interface, signale comme tel, pas une valeur de marque. */
.formstate.err{color:#FFD8C2;background:rgba(255,96,54,.12);
  border-color:rgba(255,120,80,.42)}
.formstate.ok{color:var(--r-action-text);background:var(--r-action-bg);
  border-color:var(--r-action-bg);font-weight:var(--sf-weight-title)}
.form.is-busy{opacity:.72;pointer-events:none}
.form[hidden]{display:none}   /* .form est en grid : sans ceci, [hidden] resterait sans effet */
.form button[disabled]{cursor:progress;transform:none;box-shadow:none}
.legal{margin-top:1.5rem;font-size:.82rem;
  color:color-mix(in srgb,var(--r-text-primary) 60%,transparent);
  max-width:430px;margin-left:auto;margin-right:auto;
  text-shadow:0 1px 10px color-mix(in srgb,var(--r-surface-page) 90%,transparent)}
@media(max-width:560px){.form .row{grid-template-columns:1fr}}

/* ── pied de page ── */
footer{border-top:1px solid var(--r-line);padding:38px 0;background:var(--r-surface-page)}
.foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:18px;font-size:.83rem;color:var(--r-text-muted)}
.foot img{height:26px;width:auto;opacity:.75}
body[data-logo="white"] .foot img{filter:brightness(0) invert(1)}
.foot nav{display:flex;gap:20px;font-weight:var(--sf-w-semibold)}
.foot nav a:hover{color:var(--r-accent)}

/* ── apparition au defilement ── */
.rv{opacity:0;transform:translateY(22px);
  transition:opacity .75s cubic-bezier(.2,.8,.3,1),transform .75s cubic-bezier(.2,.8,.3,1)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none}
  .orb img{animation:none}
  .hero h1 .strike::after{animation:none;transform:scaleX(1)}
}