/* Le design du nouveau site Seikai (seikai_front, 605e27d) : Paper, White, Ink,
   Cobalt, Geist et Manrope. Règles d'Anthony : aucun violet ; l'orange (Signal)
   seulement en petit repère ; mot mis en avant en Cobalt, point final en noir ;
   les photos se fondent par un masque. */
@font-face{font-family:"Geist";src:url(assets/geist.woff2) format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Manrope";src:url(assets/manrope.woff2) format("woff2");font-weight:200 800;font-display:swap}
:root{--papier:#f3f4f6;--blanc:#fff;--encre:#14171c;--texte:#4a4f58;--filet:#d2d5db;--filet-leger:rgb(20 23 28/.08);--cobalt:#1e4dff;--cobalt-fonce:#1438c8;--deep:#0b207b;--cobalt-clair:#8fa8ff;--signal:#ff5a1f;--band-cobalt:#0b207b;--erreur:#b42318;--titres:"Geist",ui-sans-serif,system-ui,sans-serif;--ombre:0 6px 26px rgb(16 24 40/.08)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--papier);color:var(--encre);font:300 17px/1.55 "Manrope",ui-sans-serif,system-ui,sans-serif;letter-spacing:.02em;-webkit-font-smoothing:antialiased}
a{color:var(--cobalt)}a:hover{color:var(--cobalt-fonce)}
img{max-width:100%;display:block}
h1,h2,h3{font-family:var(--titres);font-weight:500;margin:0;text-wrap:balance}
h1{font-size:clamp(2.75rem,6vw,5.75rem);line-height:.98;letter-spacing:-.055em}
h2{font-size:clamp(2.25rem,4.6vw,3.875rem);line-height:1.02;letter-spacing:-.047em}
h3{font-size:1.25rem;line-height:1.15;letter-spacing:-.02em}
p{margin:0;text-wrap:pretty}
b,strong{font-weight:600}
.bleu{color:var(--cobalt)}
.chapo{font-size:18.5px;letter-spacing:.03em;color:var(--texte)}
.boite{max-width:75rem;margin:0 auto;padding:0 28px}
.section{padding:clamp(72px,9vw,128px) 0}
.entete{display:flex;flex-direction:column;align-items:center;text-align:center;gap:18px;max-width:50rem;margin:0 auto 56px}
.entete.gauche{align-items:flex-start;text-align:left;margin-left:0}
.label{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 12px;border-radius:999px;background:var(--blanc);border:1px solid var(--filet-leger);font:500 13px/1 var(--titres);letter-spacing:0;color:var(--encre)}
.label::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cobalt)}
.label.fait::before{background:var(--signal)}
.bouton{font:500 16px/1 var(--titres);letter-spacing:0;display:inline-flex;align-items:center;justify-content:center;gap:10px;height:52px;padding:0 24px;border-radius:9px;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:background-color .2s,border-color .2s,box-shadow .2s}
.bouton:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgb(30 77 255/.45);outline-offset:2px}
.bouton:disabled{opacity:.55;cursor:wait}
.bouton.cobalt{background:var(--cobalt);color:#fff;box-shadow:0 8px 22px -8px rgb(30 77 255/.6)}.bouton.cobalt:hover{background:var(--cobalt-fonce);color:#fff}
.bouton.blanc{background:var(--blanc);color:var(--encre);border-color:var(--filet)}.bouton.blanc:hover{border-color:var(--encre);color:var(--encre)}
.bouton.large{width:100%;max-width:480px}
.carte{background:var(--blanc);border:1px solid var(--filet);border-radius:16px;box-shadow:var(--ombre);padding:28px}
.grille-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr));gap:16px}
.grille-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(420px,100%),1fr));gap:16px}
.tuile{width:44px;height:44px;flex:none;border-radius:12px;display:grid;place-items:center;background:rgb(30 77 255/.08);color:var(--cobalt);font:500 14px/1 var(--titres)}
.tuile.fait{background:rgb(255 90 31/.1);color:var(--signal)}
.discret{font-size:14px;color:var(--texte)}
.carte h3+p,.carte .etiq+h3{margin-top:10px}
.etiq{font:500 13px/1.3 var(--titres);letter-spacing:0;color:var(--cobalt)}
.etiq.gris{color:var(--texte)}

/* En-tête */
.barre{position:absolute;inset:0 0 auto;z-index:5}
.barre .boite{display:flex;justify-content:space-between;align-items:center;height:72px;max-width:84rem}
.barre img{height:30px;width:auto}
.prive{display:inline-flex;align-items:center;gap:8px;font:500 13px/1 var(--titres);letter-spacing:0;padding:9px 13px;border-radius:9px;background:var(--blanc);border:1px solid var(--filet)}
.prive svg{width:14px;height:14px}

/* Hero */
.hero{position:relative;isolation:isolate;overflow:hidden;background:#fff;min-height:min(100svh,900px);display:flex;flex-direction:column;justify-content:center;text-align:center;padding:130px 0 110px}
.hero .landing-stripes{position:absolute;inset:0;z-index:-2;opacity:.5;-webkit-mask-image:radial-gradient(ellipse 85% 80% at center,transparent 20%,#000 100%);mask-image:radial-gradient(ellipse 85% 80% at center,transparent 20%,#000 100%)}
.hero::after{content:"";position:absolute;inset:auto 0 0;height:128px;z-index:-1;background:linear-gradient(to bottom,transparent,var(--papier))}
.hero .boite{display:flex;flex-direction:column;align-items:center;gap:26px}
.hero .chapo{max-width:38rem}
.actions-hero{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}

/* Mot, avertissement */
.mot{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start}
.pastille-at{width:44px;height:44px;border-radius:50%;background:var(--encre);color:#fff;display:grid;place-items:center;font:500 14px/1 var(--titres)}
.alerte{display:flex;gap:10px;font-size:14px;color:var(--texte);border-top:1px solid var(--filet);padding-top:18px;margin-top:28px}

/* Photos fondues */
.photo{position:relative;border-radius:16px;overflow:hidden;min-height:300px;background:#05070d}
.photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;-webkit-mask-image:linear-gradient(to bottom,#000 62%,transparent);mask-image:linear-gradient(to bottom,#000 62%,transparent)}

/* Comparaison */
.chiffre{font:500 clamp(2.25rem,4vw,3.25rem)/1 var(--titres);letter-spacing:-.04em;margin:14px 0}
.rejete .chiffre{color:var(--texte);text-decoration:line-through;text-decoration-thickness:2px}
.valide{border-color:var(--cobalt)}.valide .chiffre{color:var(--cobalt)}

/* Sombre */
.sombre{background:#1f2228;color:#fff;border-radius:20px;padding:clamp(32px,5vw,64px)}
.sombre h2,.sombre h3{color:#fff}.sombre .chapo,.sombre p{color:#a7abb3}
.sombre .sur{background:#2a2e35;border:1px solid #454a54;border-radius:16px;padding:24px}
.sombre .etiq{color:var(--cobalt-clair)}
.sombre .bleu{color:var(--cobalt-clair)}

/* Étapes */
.etape{display:flex;gap:16px;align-items:flex-start}
.apercu{width:100%;border-radius:10px;border:1px solid var(--filet)}

/* Bloc final */
.final{position:relative;isolation:isolate;overflow:hidden;border-radius:20px;min-height:560px;display:flex;align-items:center;background:linear-gradient(to right,#05070d,#0a1238);color:#fff}
.final .rayures{position:absolute;inset:0 0 auto 32%;height:112%;width:68%;z-index:-2;-webkit-mask-image:linear-gradient(to bottom,#000 30%,transparent 95%),linear-gradient(to right,transparent 0,#000 55%);-webkit-mask-composite:source-in;mask-image:linear-gradient(to bottom,#000 30%,transparent 95%),linear-gradient(to right,transparent 0,#000 55%);mask-composite:intersect}
.final .rayures .landing-stripes{width:100%;height:100%}
.final .portrait{position:absolute;inset:0 0 0 auto;height:100%;aspect-ratio:1;z-index:-1;-webkit-mask-image:linear-gradient(to right,transparent 10%,#000 46%),linear-gradient(to bottom,#000 62%,transparent);-webkit-mask-composite:source-in;mask-image:linear-gradient(to right,transparent 10%,#000 46%),linear-gradient(to bottom,#000 62%,transparent);mask-composite:intersect}
.final .portrait img{width:100%;height:100%;object-fit:cover}
.final .contenu{max-width:44rem;padding:64px clamp(24px,5vw,64px);display:flex;flex-direction:column;align-items:flex-start;gap:22px}
.final .contenu>img{height:44px;width:auto}
.final p{color:#a7abb3}
.final .label{background:rgb(255 255 255/.06);border-color:rgb(255 255 255/.14);color:#d7dae0}

/* Pied */
.pied{padding:56px 0 40px;font-size:14px;color:var(--texte)}
.pied .boite{display:flex;flex-direction:column;gap:22px}
.pied img.logo{height:30px;width:auto;align-self:flex-start}
.pied .bas{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;border-top:1px solid var(--filet);padding-top:20px}
.pied a{color:var(--texte)}.pied a:hover{color:var(--encre)}
.liens{display:flex;gap:18px;flex-wrap:wrap}

/* Parcours */
.parcours-page{min-height:100svh;display:flex;flex-direction:column}
.barre.fixe{position:relative}
.parcours{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start;flex:1;padding-top:12px}
main.carte{padding:clamp(24px,4vw,52px);outline:none}
main h1{font-size:clamp(2rem,3.4vw,2.75rem);line-height:1.05;letter-spacing:-.045em}
.etapes{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:0 0 34px;padding:0;list-style:none;font:500 13px/1.3 var(--titres);letter-spacing:0}
.etapes li{border-top:3px solid #e7e9ee;padding-top:9px;color:#8a8f98;display:flex;gap:6px;flex-wrap:wrap}
.etapes li.fait{border-color:var(--encre);color:var(--texte)}
.etapes li.ici{border-color:var(--cobalt);color:var(--encre)}
.intro{margin:12px 0 26px;max-width:560px;color:var(--texte)}
/* Le champ piège : hors écran, ni tabulation ni remplissage automatique. */
.piege{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.champ{display:flex;flex-direction:column;gap:7px;margin-bottom:18px;max-width:480px}
label,legend{font:500 15px/1.3 var(--titres);letter-spacing:0}
input[type=email],input[type=text],input[type=tel]{font:400 16px/1.4 "Manrope",sans-serif;letter-spacing:.01em;height:52px;padding:0 16px;border:1px solid var(--filet);border-radius:9px;background:#fff;color:var(--encre);width:100%}
input:focus{outline:3px solid rgb(30 77 255/.3);border-color:var(--cobalt)}
input.code{font:500 24px/1 var(--titres);letter-spacing:.35em;text-align:center}
.aide{font-size:14px;color:var(--texte);margin:0}
.lien{font:inherit;background:none;border:0;padding:0;color:var(--cobalt);text-decoration:underline;cursor:pointer;letter-spacing:inherit}
.actions{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-top:30px}
fieldset{border:0;margin:0 0 30px;padding:0}
legend{padding:0;margin-bottom:4px;font-size:17px;letter-spacing:-.01em}
.opts{display:grid;gap:8px;margin-top:12px}
.opts.deux{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.opt{position:relative;display:block;border:1px solid var(--filet);border-radius:9px;padding:13px 16px;cursor:pointer;transition:border-color .15s,background-color .15s}
.opt:hover{border-color:var(--encre)}
.opt input{position:absolute;opacity:0;width:1px;height:1px}
.opt:has(input:checked){border-color:var(--cobalt);box-shadow:inset 0 0 0 1px var(--cobalt);background:rgb(30 77 255/.04)}
.opt:has(input:focus-visible){outline:3px solid rgb(30 77 255/.45);outline-offset:2px}
.opt b{display:block;font:500 15px/1.3 var(--titres);letter-spacing:0}
.opt span{display:block;font-size:14px;color:var(--texte);font-family:"Manrope",sans-serif}
.parcours-alerte{border-top:1px solid var(--filet);padding-top:14px;font-size:14px;color:var(--texte)}
.erreur{color:var(--erreur);font-size:15px;margin:0 0 14px;font-weight:500}
.erreur:empty{display:none}
.recap{margin:0;display:grid;gap:16px}
.recap div{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2px 16px;border-bottom:1px solid var(--filet-leger);padding-bottom:13px}
.recap dt{font-size:14px;color:var(--texte);grid-column:1}
.recap dd{margin:0;font:500 16px/1.3 var(--titres);letter-spacing:0;grid-column:1}
.recap .lien{grid-column:2;grid-row:1/3;align-self:center;font-size:14px}
.suite{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:16px}
.suite li{display:grid;grid-template-columns:44px 1fr;gap:1px 14px}
.suite .n{grid-row:1/4}
.suite b{font:500 16px/1.3 var(--titres);letter-spacing:0}
.suite .t{font-size:15px;color:var(--texte)}
.cote section{padding:18px 0;border-top:1px solid var(--filet)}
.cote section:first-child{border-top:0;padding-top:0}
.cote p{font-size:15px;margin:8px 0 0;color:var(--texte)}
.cote ul{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:10px;font-size:15px;color:var(--texte)}
.cote li{display:grid;grid-template-columns:20px 1fr;gap:10px}
.cote li::before{content:"✓";width:20px;height:20px;border-radius:50%;background:rgb(30 77 255/.1);color:var(--cobalt);font:600 11px/20px var(--titres);text-align:center;margin-top:2px}
.doc{max-width:760px;padding:24px 0 48px}.doc h1{font-size:clamp(2rem,3.4vw,2.75rem);margin-bottom:22px}.doc h2{font-size:1.25rem;letter-spacing:-.02em;line-height:1.2;margin:26px 0 8px}.doc p{color:var(--texte)}
@media (max-width:900px){
 .boite{padding:0 20px}
 .parcours{grid-template-columns:1fr;gap:28px}
 .final{min-height:0}.final .portrait{display:none}.final .rayures{inset:0;width:100%}
 .etapes{gap:6px;font-size:12px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

/* Les rayures, signature de la marque (landing-stripes.tsx). */
.landing-stripes {
  --stripe-a: #1438c8;
  --stripe-b: #1e4dff;
  --stripe-c: rgb(132 170 255 / 50%);
  --stripe-d: rgb(106 150 255 / 50%);
  --stripe-e: rgb(238 244 255 / 5%);
  --stripes-cycle: 12s;
  --stripes-reach: 50;
  display: grid;
  grid-auto-columns: 1fr;
  grid-auto-flow: column;
  overflow: hidden;
  background: var(--stripes-ground, transparent);
}
.landing-stripes[data-tone="pale"] { --stripes-ground: #bfd2ff; }
.landing-stripes[data-tone="deep"] { --stripes-ground: var(--band-cobalt); }
.landing-stripes[data-tone="sky"] {
  --stripes-ground: #badbff;
  --stripe-a: #055dbb;
  --stripe-b: #037dff;
  --stripe-c: rgb(130 174 221 / 50%);
  --stripe-d: rgb(129 190 255 / 50%);
}
.landing-stripes[data-tone="neutral"] {
  --stripes-ground: #d1d5dc;
  --stripe-a: #99a1af;
  --stripe-b: #ffffff;
  --stripe-c: rgb(255 255 255 / 55%);
  --stripe-d: rgb(229 231 235 / 60%);
}
.landing-stripes[data-tone="end"] {
  --stripe-a: rgb(30 77 255 / 60%);
  --stripe-b: rgb(20 56 200 / 75%);
  --stripe-c: rgb(11 32 123 / 55%);
  --stripe-d: rgb(30 77 255 / 45%);
  --stripes-cycle: 8s;
  --stripes-reach: 80;
}
.landing-stripes > span { display: block; min-width: 0; }
.landing-stripes > span > span {
  display: block;
  height: 100%;
  /* A fraction of a pixel over each neighbour: columns of 1/7th would otherwise show hairlines. */
  margin-inline: -0.25px;
  background: var(--stripe);
  transform-origin: 0 0;
  animation: landing-stripe var(--stripes-cycle) cubic-bezier(0.45, 0, 0.2, 1) infinite;
  animation-delay: calc(var(--stripe-index) * 220ms - 4s);
}
.landing-stripes > span:nth-child(7n + 1) { --stripe-index: 0; --stripe-k: 0.9; --stripe-j: -0.6; --stripe: linear-gradient(to bottom, transparent 0%, var(--stripe-a) 47%, var(--stripe-c) 83%, transparent 100%); }
.landing-stripes > span:nth-child(7n + 2) { --stripe-index: 1; --stripe-k: -0.7; --stripe-j: 0.8; --stripe: linear-gradient(to bottom, transparent 0%, var(--stripe-b) 26%, var(--stripe-d) 82%, transparent 100%); }
.landing-stripes > span:nth-child(7n + 3) { --stripe-index: 2; --stripe-k: 0.4; --stripe-j: -1; --stripe: linear-gradient(to bottom, transparent 0%, var(--stripe-d) 18%, var(--stripe-b) 74%, transparent 100%); }
.landing-stripes > span:nth-child(7n + 4) { --stripe-index: 3; --stripe-k: -1; --stripe-j: 0.3; --stripe: linear-gradient(to bottom, transparent 0%, var(--stripe-a) 47%, var(--stripe-c) 83%, transparent 100%); }
.landing-stripes > span:nth-child(7n + 5) { --stripe-index: 4; --stripe-k: 0.7; --stripe-j: 0.9; --stripe: linear-gradient(to bottom, transparent 0%, var(--stripe-b) 26%, var(--stripe-a) 82%, transparent 100%); }
.landing-stripes > span:nth-child(7n + 6) { --stripe-index: 5; --stripe-k: -0.3; --stripe-j: -0.7; --stripe: linear-gradient(to bottom, transparent 0%, var(--stripe-d) 18%, var(--stripe-b) 74%, transparent 100%); }
.landing-stripes > span:nth-child(7n + 7) { --stripe-index: 6; --stripe-k: 1; --stripe-j: 0.5; --stripe: linear-gradient(to bottom, transparent 0%, var(--stripe-b) 26%, var(--stripe-d) 82%, transparent 100%); }
.landing-stripes[data-variant="low"] > span:nth-child(7n + 1) { --stripe: linear-gradient(to bottom, transparent 42%, var(--stripe-a) 68%, var(--stripe-c) 93%, transparent 100%); }
.landing-stripes[data-variant="low"] > span:nth-child(7n + 2) { --stripe: linear-gradient(to bottom, transparent 35%, var(--stripe-b) 85%, var(--stripe-d) 91%, transparent 100%); }
.landing-stripes[data-variant="low"] > span:nth-child(7n + 3) { --stripe: linear-gradient(to bottom, transparent 9%, var(--stripe-d) 53%, var(--stripe-b) 74%, transparent 100%); }
.landing-stripes[data-variant="low"] > span:nth-child(7n + 4) { --stripe: linear-gradient(to bottom, transparent 47%, var(--stripe-a) 76%, var(--stripe-c) 91%, transparent 100%); }
.landing-stripes[data-variant="low"] > span:nth-child(7n + 5) { --stripe: linear-gradient(to bottom, transparent 0%, var(--stripe-e) 26%, var(--stripe-b) 66%, var(--stripe-a) 82%, transparent 100%); }
@keyframes landing-stripe {
  0%, 5%, 95%, 100% { transform: translateY(0) scaleY(1); }
  18%, 21% { transform: translateY(calc(-1% * (50 + var(--stripe-k) * var(--stripes-reach)))) scaleY(2); }
  35%, 38% { transform: translateY(calc(-0.5% * (50 + var(--stripe-j) * var(--stripes-reach)))) scaleY(1.5); }
  52%, 55% { transform: translateY(calc(-1.4% * (50 - var(--stripe-k) * var(--stripes-reach)))) scaleY(2.4); }
  68%, 71% { transform: translateY(calc(-0.75% * (50 - var(--stripe-j) * var(--stripes-reach)))) scaleY(1.75); }
  83%, 85% { transform: translateY(calc(-0.2% * (50 + var(--stripe-k) * 22))) scaleY(1.2); }
}