:root{
  --bg:#f5f7fd; --card:#fff; --ink:#1b1f3b; --muted:#5b6285; --line:#dfe5f3;
  --blue:#3d63d8; --blue-dark:#1f3a93; --blue-soft:#dbe7f7; --lav:#c3c4f7; --lav-soft:#ececfd;
  --plum:#8e2f86; --plum-soft:#f6e8f4; --accent:#ffd166; --accent-ink:#5a4200;
  --ok:#1d6b2a; --ok-bg:#dff3df; --ko:#b3261e; --ko-bg:#fbe0de;
  --radius:16px; --shadow:0 2px 10px rgba(31,58,147,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 Inter,system-ui,sans-serif}
a{color:var(--blue)}
img{max-width:100%}
h1,h2,h3{line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(30px,5vw,50px);font-weight:800;letter-spacing:-.5px}
h2{font-size:clamp(24px,3.4vw,34px);font-weight:800}
h3{font-size:19px;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:1180px;margin:0 auto;padding:0 16px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.hp{position:absolute;left:-9999px;opacity:0;height:0}
.muted{color:var(--muted)}
.center{text-align:center}

/* Boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:12px 22px;font:700 15px Inter,sans-serif;cursor:pointer;background:var(--blue);color:#fff;text-decoration:none;transition:transform .1s,background .15s}
.btn:hover{background:var(--blue-dark)}
.btn:active{transform:scale(.98)}
.btn-accent{background:var(--accent);color:var(--accent-ink)}
.btn-accent:hover{background:#ffc53d}
.btn-ghost{background:#fff;color:var(--blue-dark);box-shadow:inset 0 0 0 2px var(--blue-soft)}
.btn-ghost:hover{background:var(--lav-soft)}
.btn-sm{padding:7px 14px;font-size:13px}
.btn[disabled]{opacity:.55;cursor:not-allowed}

/* En-tête */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.nav-in{display:flex;align-items:center;gap:16px;min-height:66px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:600;font-size:14px;line-height:1.1}
.logo b{display:block;font-size:17px;font-weight:800;color:var(--blue-dark)}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.main-nav a:not(.btn){padding:8px 10px;border-radius:10px;text-decoration:none;color:var(--ink);font-weight:600;font-size:15px}
.main-nav a:not(.btn):hover,.main-nav a.active{background:var(--lav-soft);color:var(--blue-dark)}
.main-nav .btn{margin-left:8px;padding:9px 18px}
.burger{display:none;margin-left:auto;border:0;background:var(--lav-soft);border-radius:10px;font-size:20px;width:44px;height:40px;cursor:pointer}
@media (max-width:1040px){
  .burger{display:block}
  .main-nav{display:none;position:absolute;left:0;right:0;top:66px;background:#fff;flex-direction:column;align-items:stretch;padding:8px 16px 16px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .main-nav.open{display:flex}
  .main-nav .btn{margin:8px 0 0}
}

/* Messages */
.flash{margin:16px 0 0;padding:12px 16px;border-radius:12px;font-weight:600}
.flash-ok{background:var(--ok-bg);color:var(--ok)}
.flash-ko{background:var(--ko-bg);color:var(--ko)}

/* Sections */
.band{padding:64px 0}
.band-soft{background:var(--blue-soft)}
.band-plum{background:linear-gradient(135deg,var(--blue-dark),var(--plum));color:#fff}
.band-plum a:not(.btn){color:#fff}
.section-head{max-width:720px;margin:0 auto 36px;text-align:center}
.section-head p{color:var(--muted);font-size:17px}
.band-plum .section-head p{color:#e9e6ff}
.kicker{display:inline-block;background:var(--blue-dark);color:#fff;font-weight:700;font-size:13px;padding:5px 14px;border-radius:999px;margin-bottom:14px}
.band-plum .kicker{background:var(--accent);color:var(--accent-ink)}

/* Accueil */
.hero{padding:56px 0 64px;background:radial-gradient(circle at 85% 20%,var(--lav) 0,transparent 42%),radial-gradient(circle at 5% 90%,var(--plum-soft) 0,transparent 40%),var(--blue-soft)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero h1 span{color:var(--plum)}
.hero .lead{font-size:19px;color:#3a4064;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 18px}
.hero-proof{display:flex;flex-wrap:wrap;gap:18px;font-size:14px;color:var(--muted);font-weight:600}
.hero-proof span::before{content:"✓ ";color:var(--ok)}
.hero-card{background:#fff;border-radius:22px;box-shadow:0 20px 50px rgba(31,58,147,.18);padding:22px;transform:rotate(1.5deg)}
.hero-card .mini-head{background:var(--blue);color:#fff;border-radius:10px;padding:10px;text-align:center;font-weight:800;letter-spacing:1px}
.mini-row{display:flex;justify-content:space-between;padding:8px 4px;border-bottom:1px solid var(--line);font-size:14px}
.mini-row b.ok{color:var(--ok)} .mini-row b.ko{color:var(--ko)}
.mini-bar{height:10px;border-radius:99px;background:var(--lav-soft);margin:14px 0 6px;overflow:hidden}
.mini-bar i{display:block;height:100%;width:72%;background:linear-gradient(90deg,var(--blue),var(--plum))}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr}.hero-card{transform:none}}

.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.cards.c3{grid-template-columns:repeat(3,minmax(0,1fr))}
.cards.c2{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (max-width:980px){.cards,.cards.c3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.cards,.cards.c3,.cards.c2{grid-template-columns:1fr}}
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;display:flex;flex-direction:column}
.card p{color:var(--muted);font-size:15px}
.card .more{margin-top:auto;font-weight:700;text-decoration:none}
.icon{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:26px;margin-bottom:14px;background:var(--lav-soft)}
.tag{display:inline-block;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;background:var(--lav-soft);color:var(--blue-dark)}
.tag.free{background:var(--ok-bg);color:var(--ok)}
.tag.soon{background:var(--plum-soft);color:var(--plum)}

.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;counter-reset:s}
.step{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);position:relative}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:-16px;left:24px;width:36px;height:36px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-weight:800}
.step p{color:var(--muted);margin:0}
@media (max-width:760px){.steps{grid-template-columns:1fr;gap:30px}}

.big-quote{font-size:clamp(20px,2.6vw,26px);font-weight:700;max-width:820px;margin:0 auto 22px;text-align:center}

/* Offres */
.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:stretch}
@media (max-width:900px){.plans{grid-template-columns:1fr}}
.plan{background:#fff;color:var(--ink);border-radius:20px;padding:28px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.plan.featured{box-shadow:0 0 0 3px var(--accent),var(--shadow)}
.plan .price{font-size:40px;font-weight:800;color:var(--blue-dark);margin:6px 0}
.plan .price small{font-size:15px;color:var(--muted);font-weight:600}
.plan ul{list-style:none;padding:0;margin:14px 0 22px;flex:1}
.plan li{padding:6px 0 6px 26px;position:relative;font-size:15px}
.plan li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}
.plan .btn{width:100%}

/* Formulaires */
.form{display:grid;gap:14px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:600px){.form .row{grid-template-columns:1fr}}
label.f{display:grid;gap:6px;font-weight:600;font-size:14px}
input[type=text],input[type=email],input[type=url],input[type=date],input[type=password],input[type=search],select,textarea{width:100%;border:1.5px solid var(--line);border-radius:12px;padding:11px 13px;font:500 15px Inter,sans-serif;color:var(--ink);background:#fff}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--lav-soft)}
textarea{min-height:110px;resize:vertical}
.help{font-size:13px;color:var(--muted);font-weight:500}
.consent{display:flex;gap:8px;align-items:flex-start;font-size:13px;color:var(--muted);font-weight:500}
.consent input{margin-top:4px}

/* Lettre d'information */
.newsletter{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.newsletter h2{font-size:26px}
.nl-form{display:grid;grid-template-columns:1fr auto;gap:10px}
.nl-form .consent{grid-column:1/-1}
@media (max-width:760px){.newsletter{grid-template-columns:1fr}.nl-form{grid-template-columns:1fr}}

/* Pied de page */
.site-footer{background:var(--ink);color:#c9cde6;padding:48px 0 20px;font-size:15px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
.foot-grid strong{color:#fff;display:block;margin-bottom:10px}
.foot-grid a{display:block;color:#c9cde6;text-decoration:none;padding:3px 0}
.foot-grid a:hover{color:#fff}
.tagline{text-align:center;margin-top:36px;padding-top:18px;border-top:1px solid #33385e;color:var(--lav)}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr}}

/* Partage */
.share{display:flex;flex-wrap:wrap;gap:8px}
.share a,.share button{display:inline-flex;align-items:center;gap:6px;border:0;border-radius:999px;padding:8px 14px;font:700 13px Inter,sans-serif;cursor:pointer;text-decoration:none;background:#fff;color:var(--ink)}
.share .wa{background:#25d366;color:#fff}.share .fb{background:#1877f2;color:#fff}.share .x{background:#000;color:#fff}.share .mail{background:var(--lav);color:var(--ink)}

/* Pages internes */
.page-head{background:var(--blue-soft);padding:44px 0 36px}
.page-head p{font-size:18px;color:#3a4064;max-width:760px;margin:0}
.content{padding:40px 0 64px}
.prose{max-width:820px}
.prose h2{font-size:26px;margin-top:1.6em}
.prose li{margin-bottom:.4em}
.notice{background:var(--plum-soft);border-left:4px solid var(--plum);padding:14px 18px;border-radius:10px;font-size:15px}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 28px}
.toc a{background:#fff;border-radius:999px;padding:7px 14px;text-decoration:none;font-weight:600;font-size:14px;box-shadow:var(--shadow)}

/* Bons plans */
.deals-layout{display:grid;grid-template-columns:1fr 360px;gap:28px;align-items:start}
@media (max-width:960px){.deals-layout{grid-template-columns:1fr}}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.filters a{padding:7px 14px;border-radius:999px;background:#fff;text-decoration:none;font-weight:600;font-size:14px;color:var(--ink);box-shadow:var(--shadow)}
.filters a.on{background:var(--blue);color:#fff}
.deal{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:14px}
.deal-top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;flex-wrap:wrap}
.deal h3{margin:6px 0}
.deal .meta{font-size:13px;color:var(--muted)}
.deal-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;align-items:center}
.vote{border:0;background:var(--ok-bg);color:var(--ok);border-radius:999px;padding:7px 14px;font:700 13px Inter,sans-serif;cursor:pointer}
.vote.done{opacity:.6;cursor:default}
.empty{background:#fff;border-radius:var(--radius);padding:36px;text-align:center;box-shadow:var(--shadow)}
.sticky{position:sticky;top:86px}

/* Astuces / aides */
.tip{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.tip h3{display:flex;gap:10px;align-items:center}
.tip ul{margin:0;padding-left:20px;color:#3a4064;font-size:15px}
.tip li{margin-bottom:6px}
.aid{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;display:flex;flex-direction:column}
.aid .who{font-size:14px;color:var(--muted)}
.aid a.btn{margin-top:auto;align-self:flex-start}

/* Admin */
.adm table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
.adm th,.adm td{padding:10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-size:14px}
.adm th{background:var(--blue-soft)}
.adm form{display:inline}

/* Comptes & demandes */
.auth-wrap{max-width:480px}
.h-card{font-size:26px}
.sep{border:0;border-top:1px solid var(--line);margin:18px 0}
.back{display:inline-block;margin-bottom:12px;font-weight:600;text-decoration:none}
.card-link{text-decoration:none;color:inherit;transition:transform .12s,box-shadow .12s}
.card-link:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(31,58,147,.14)}
.form-layout{display:grid;grid-template-columns:1fr 340px;gap:28px;align-items:start}
@media (max-width:960px){.form-layout{grid-template-columns:1fr}}
.form-section{border:0;margin:0 0 18px;display:block}
.h-section{font-size:18px;font-weight:800;color:var(--blue-dark);padding:0;margin-bottom:12px;float:left;width:100%}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 18px;clear:both}
@media (max-width:640px){.form-grid{grid-template-columns:1fr}}
.field{display:grid;gap:4px;align-content:start}
.field:has(fieldset),.field:has(textarea){grid-column:1/-1}
.field-err{color:var(--ko);font-size:13px;font-weight:600}
.has-err input,.has-err select,.has-err textarea{border-color:var(--ko)}
.choices{border:0;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.choices legend{font-weight:600;font-size:14px;margin-bottom:6px;padding:0}
.choice{cursor:pointer}
.choice input{position:absolute;opacity:0}
.choice span{display:inline-block;padding:8px 14px;border-radius:999px;border:1.5px solid var(--line);background:#fff;font-size:14px;font-weight:600}
.choice input:checked+span{background:var(--blue);border-color:var(--blue);color:#fff}
.choice input:focus-visible+span{box-shadow:0 0 0 3px var(--lav)}
.mini-steps{padding-left:20px;font-size:14px;color:#3a4064}
.mini-steps li{margin-bottom:8px}
.list{display:grid;gap:10px}
.list-item{display:flex;gap:14px;align-items:center;background:#fff;border-radius:14px;box-shadow:var(--shadow);padding:14px 18px;text-decoration:none;color:inherit}
.list-item:hover{box-shadow:0 6px 20px rgba(31,58,147,.14)}
.li-main{flex:1;display:grid;gap:2px}
.eco{font-weight:800;color:var(--ok);background:var(--ok-bg);padding:6px 12px;border-radius:999px;white-space:nowrap}
.dot{display:inline-block;background:var(--ko);color:#fff;font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px;vertical-align:middle}
.tag-accent{background:var(--accent);color:var(--accent-ink)}
.timeline{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:18px 0 0}
.timeline li{padding:6px 14px;border-radius:999px;background:#fff;color:var(--muted);font-size:13px;font-weight:700}
.timeline li.done{background:var(--blue);color:#fff}
.proposal{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:14px;border-left:5px solid var(--accent)}
.proposal.is-tip{border-left-color:var(--plum)}
.eco-big{font-size:17px;color:var(--ok);margin:4px 0 8px}
.prose-sm{font-size:15px;color:#3a4064}
.thread{display:grid;gap:10px}
.msg{background:#fff;border-radius:14px 14px 14px 4px;padding:12px 16px;box-shadow:var(--shadow);max-width:85%;font-size:15px}
.msg.me{background:var(--lav-soft);justify-self:end;border-radius:14px 14px 4px 14px}
.msg-meta{font-size:12px;color:var(--muted);font-weight:600;margin-bottom:4px}
.kv{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--line);font-size:14px}
.kv span:first-child{color:var(--muted)}
.kv strong,.kv span:last-child{text-align:right}
.kv.small{font-size:13px;padding:5px 0}
details summary{cursor:pointer;font-weight:700;color:var(--blue)}
.faq{background:#fff;border-radius:12px;box-shadow:var(--shadow);padding:14px 18px;margin-bottom:10px}
.faq p{margin:10px 0 0;color:#3a4064}
.btn-danger{background:var(--ko)}
.btn-danger:hover{background:#8c1d17}
.card.danger{box-shadow:inset 0 0 0 2px var(--ko-bg),var(--shadow)}
.steps.s4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:980px){.steps.s4{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 24px}}
@media (max-width:600px){.steps.s4{grid-template-columns:1fr}}
.card-link .more{color:var(--blue)}