/* Direction : éditorial, calme, comme un document papier. Serif (Newsreader) pour titres et numéros, sans (Figtree) pour le texte. Fond crème, encre bleu nuit, un seul bleu. Une idée forte : le fil SVG qui se dessine au scroll et allume les numéros. */
:root{
  --bg:#FAF6EE; --ink:#0B2545; --muted:#4A5871; --line:#DCD4C3; --faint:#C9C0AD;
  --blue:#1456C8; --blue-deep:#0E44A0; --mark:#F5DC94;
  --serif:"Newsreader", Georgia, "Times New Roman", serif;
  --sans:"Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
  --max:1080px;
}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
/* grain de papier, très léger */
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:50;opacity:.07;mix-blend-mode:multiply;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 .8 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}
.wrap{max-width:var(--max);margin:0 auto;padding-inline:clamp(20px,5vw,40px)}
h1,h2,h3{font-family:var(--serif);font-weight:300;margin:0;line-height:1.08;letter-spacing:-.02em;text-wrap:balance}
p{margin:0}
a{color:inherit}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.label{font-size:.82rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--blue)}

.top{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:calc(24px + env(safe-area-inset-top,0px));padding-bottom:18px;border-bottom:1px solid var(--line)}
.brand{font-family:var(--serif);font-weight:400;font-size:1.35rem;letter-spacing:-.01em;text-decoration:none}
.pill{font-size:.92rem;font-weight:500;text-decoration:none;border-bottom:1px solid var(--ink);padding-bottom:2px;transition:color .2s,border-color .2s}
.pill:hover{color:var(--blue);border-color:var(--blue)}

/* Hero */
.hero{padding-block:clamp(40px,6vw,80px) clamp(56px,8vw,104px)}
.hero h1{font-size:clamp(2.6rem,6.6vw,5.6rem);font-weight:300;max-width:14ch}
.hero h1 em{font-style:italic;color:var(--blue);font-weight:300}
.hero h1 .line{display:block;overflow:hidden;padding-bottom:.1em;margin-bottom:-.1em}
.hero h1 .line>span{display:block;animation:up .9s cubic-bezier(.2,.75,.2,1) both}
.hero h1 .line:nth-child(2)>span{animation-delay:.08s}.hero h1 .line:nth-child(3)>span{animation-delay:.16s}
@keyframes up{from{transform:translateY(105%)}to{transform:none}}
.hero-row{display:grid;grid-template-columns:.7fr 1.3fr;gap:clamp(24px,6vw,88px);margin-top:clamp(32px,4.5vw,56px);align-items:start;border-top:1px solid var(--line);padding-top:28px}
.hero-row>*{min-width:0}
.lead{font-family:var(--serif);font-size:1.45rem;line-height:1.4;max-width:34ch;font-weight:300}
form{margin-top:28px;display:grid;gap:14px;max-width:60ch}
.fields{display:grid;grid-template-columns:1fr 1fr auto;gap:14px 18px;align-items:end}
.fields>*{min-width:0}
input[type=text],input[type=email]{font:inherit;font-size:1rem;padding:.7em 0;border:0;border-bottom:1px solid var(--ink);border-radius:0;background:transparent;color:var(--ink);transition:border-color .2s}
input::placeholder{color:var(--muted)}
input[type=text]:focus,input[type=email]:focus{outline:none;border-color:var(--blue);border-bottom-width:2px}
.btn{font:500 1rem var(--sans);padding:.85em 1.5em;border:0;border-radius:2px;background:var(--blue);color:#fff;cursor:pointer;transition:background .2s,transform .2s;text-decoration:none;display:inline-block}
.btn:hover{background:var(--blue-deep);transform:translateY(-1px)}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.84rem;color:var(--muted);line-height:1.5}
.consent input{margin-top:3px;accent-color:var(--blue);flex:none}
.msg{font-size:.92rem;padding:12px 14px;border-left:2px solid var(--blue);background:rgba(20,86,200,.06)}
.hp{position:absolute;left:-9999px}
@media (max-width:820px){.hero-row{grid-template-columns:1fr;gap:18px}.fields{grid-template-columns:1fr}.btn{width:100%;text-align:center}}

/* Les 7 erreurs + fil */
.errors-sec{padding-block:clamp(64px,9vw,120px);border-top:1px solid var(--line)}
.head{display:grid;grid-template-columns:.7fr 1.3fr;gap:clamp(24px,6vw,88px);margin-bottom:clamp(40px,5vw,72px)}
.head>*{min-width:0}
.head h2{font-size:clamp(2rem,4.4vw,3.4rem);max-width:15ch}
.head p{color:var(--muted);max-width:52ch;align-self:end}
@media (max-width:820px){.head{grid-template-columns:1fr;gap:18px}}
ol{list-style:none;margin:0;padding:0;position:relative}
.thread{position:absolute;left:0;top:0;overflow:visible;pointer-events:none}
.thread .base,.thread .draw,.thread .base2,.thread .draw2{fill:none;stroke-linecap:round}
.thread .base{stroke:var(--line);stroke-width:1.5}
.thread .base2{stroke:var(--line);stroke-width:1;opacity:.6}
.thread .draw{stroke:var(--blue);stroke-width:2}
.thread .draw2{stroke:var(--blue);stroke-width:1;opacity:.45}
.thread circle.node{fill:var(--bg);stroke:var(--faint);stroke-width:1.5;transition:fill .4s,stroke .4s}
.thread circle.node.on{fill:var(--blue);stroke:var(--blue)}
.thread .head{fill:var(--blue);opacity:0;transition:opacity .3s}
.err{position:relative;width:38%;display:grid;grid-template-columns:clamp(56px,7vw,96px) minmax(0,1fr);padding:0 0 clamp(56px,7vw,104px)}
.err.right{margin-left:auto}
.err:last-child{padding-bottom:clamp(40px,5vw,72px)}
.num{font-family:var(--serif);font-weight:300;font-size:clamp(3rem,6vw,4.8rem);line-height:.9;color:var(--faint);transition:color .6s;font-variant-numeric:lining-nums}
.err.on .num{color:var(--blue)}
.err h3{font-size:clamp(1.4rem,2.3vw,1.9rem);font-weight:400;line-height:1.18}
.err p{color:var(--muted);margin-top:10px;max-width:65ch}
/* les erreurs apparaissent quand le fil les atteint */
.js .err>*{opacity:0;transform:translateY(14px);transition:opacity .7s ease-out,transform .7s ease-out}
.js .err>div{transition-delay:.12s}
.js .err.on>*{opacity:1;transform:none}
.js .rv{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out}
.js .rv.in{opacity:1;transform:none}
/* soulignement qui se dessine sous « cher » */
.u{position:relative;display:inline-block}
.u svg{position:absolute;left:0;bottom:-.06em;width:100%;height:.18em;overflow:visible}
.u path{fill:none;stroke:var(--blue);stroke-width:2.5;stroke-linecap:round;stroke-dasharray:260;stroke-dashoffset:260;animation:draw 1.2s 1s ease forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.cta-row{margin:0;padding-top:30px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;align-items:center;gap:14px 28px}
.cta-row p{font-family:var(--serif);font-size:1.3rem;font-weight:300}
@media (max-width:720px){.err,.err.right{width:100%;margin-left:0;padding-left:52px;grid-template-columns:1fr;gap:6px}.cta-row{margin-left:0}}

/* Interlocuteur */
.who{padding-block:clamp(64px,9vw,120px);border-top:1px solid var(--line)}
.who-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:clamp(28px,6vw,88px);align-items:center}
.who-grid>*{min-width:0}
.photo{aspect-ratio:4/5;max-width:340px;width:100%;border:1px solid var(--faint);display:grid;place-items:center;text-align:center;color:var(--muted);font-size:.9rem;padding:16px;outline:1px solid var(--line);outline-offset:8px}
.who h2{font-size:clamp(2rem,4vw,3rem);margin-top:14px}
.who p.t{color:var(--muted);margin-top:20px;max-width:55ch}
.who .meta{font-size:.95rem;margin-top:24px;line-height:1.8}
.ph{background:var(--mark);color:var(--ink);padding:0 .3em;border-radius:2px;font-size:.92em}
@media (max-width:760px){.who-grid{grid-template-columns:1fr}}

/* WhatsApp */
.wa{padding-block:clamp(56px,8vw,96px);border-top:1px solid var(--line)}
.wa-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(28px,6vw,88px);align-items:center}
.wa-grid>*{min-width:0}
.wa h2{font-size:clamp(1.9rem,3.6vw,2.8rem);margin-top:12px}
.wa p.t{color:var(--muted);margin-top:16px;max-width:52ch}
.qr{display:grid;gap:10px;justify-items:start}
#qr{background:#fff;padding:12px;line-height:0;border:1px solid var(--line)}
#qr img,#qr canvas{width:168px!important;height:168px!important}
.qr small{font-size:.85rem;color:var(--muted)}
.wa-btn{display:none;margin-top:24px}
@media (pointer:coarse){.wa-btn{display:inline-block}.qr{display:none}}
@media (max-width:760px){.wa-grid{grid-template-columns:1fr}}

footer{border-top:1px solid var(--line);padding-block:26px;font-size:.85rem;color:var(--muted)}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.js .rv,.js .err>*{opacity:1;transform:none}.u path{stroke-dashoffset:0}}

/* Hero : boutons */
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:16px 28px;margin-top:28px}
.lnk{font-weight:500;text-decoration:none;border-bottom:1px solid var(--ink);padding-bottom:2px;transition:color .2s,border-color .2s}
.lnk:hover{color:var(--blue);border-color:var(--blue)}
html{scroll-behavior:smooth}

/* Cas concret */
.cas{padding-block:clamp(64px,9vw,120px);border-top:1px solid var(--line)}
.cas h2{font-size:clamp(2rem,4.6vw,3.6rem);margin-top:14px;max-width:18ch}
.cas-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,6vw,88px);margin-top:clamp(32px,5vw,56px);align-items:start}
.cas-grid>*{min-width:0}
.cas-text p{color:var(--muted);max-width:50ch}
.cas-text p+p{margin-top:16px}
.cas-text .strong{color:var(--ink);font-family:var(--serif);font-size:1.45rem;line-height:1.35;font-weight:400}
.cas-text .lnk{display:inline-block;margin-top:24px}
.cas-text .lnk2{margin-left:24px}
.calc{margin:0;padding:26px 28px 24px;border:1px solid var(--faint);outline:1px solid var(--line);outline-offset:6px;background:rgba(255,255,255,.35)}
.calc figcaption{font-size:.78rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}
.calc dl{margin:18px 0 0}
.calc dl>div{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--line)}
.calc dt{color:var(--muted)}
.calc dd{margin:0;white-space:nowrap;font-family:var(--serif);font-size:1.25rem}
.bar{display:flex;margin-top:24px;height:64px;border:1px solid var(--ink)}
.bar span{display:flex;flex-direction:column;justify-content:center;padding:0 14px;font-size:.82rem;line-height:1.3;min-width:0;width:0;overflow:hidden;white-space:nowrap;transition:width 1.1s cubic-bezier(.2,.75,.2,1)}
.bar b{font-family:var(--serif);font-size:1.15rem;font-weight:500}
.bar .paid{background:var(--blue);color:#fff}
.bar .gap{background:repeating-linear-gradient(135deg,transparent 0 6px,rgba(11,37,69,.14) 6px 7px)}
.bar .gap{transition-delay:.35s}
.calc.in .bar span{width:50%}
html:not(.js) .bar span{width:50%}
.calc .note{margin-top:16px;font-size:.88rem;color:var(--muted)}
@media (max-width:760px){.cas-grid{grid-template-columns:1fr}.bar span{padding:0 10px}}

/* Section guide (formulaire) */
.guide{padding-block:clamp(64px,9vw,112px);border-top:1px solid var(--line)}
.guide .hero-row{margin-top:0;border-top:0;padding-top:0}
.guide h2{font-size:clamp(2rem,4vw,3.1rem);margin-top:14px;max-width:14ch}
@media (prefers-reduced-motion:reduce){.bar span{width:50%}html{scroll-behavior:auto}}

/* Portrait */
.photo{padding:0;overflow:hidden;display:block}
.photo img{display:block;width:100%;height:100%;object-fit:cover}