:root{
    --board:#123A5C;
    --board-dark:#0B2740;
    --chalk:#FFFFFF;
    --chalk-yellow:#1DA1F2;
    --chalk-pink:#0B6FB0;
    --paper:#FFFFFF;
    --paper-dim:#F5F7FA;
    --ink:#1B2430;
    --ink-soft:#5B6472;
    --line:#E3E7ED;
    --radius:14px;
    --display: 'Source Sans 3', system-ui, sans-serif;
    --body: 'Source Sans 3', system-ui, sans-serif;
    --mono: 'IBM Plex Mono', monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.7;}
img,svg{display:block;max-width:100%;}
a{color:var(--chalk-pink);}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px;}
.wrap-article{max-width:900px;margin:0 auto;padding:0 24px;}

.eyebrow{font-family:var(--mono);font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--chalk-pink);margin:0 0 12px;}
h1,h2,h3{font-family:var(--display);font-weight:800;line-height:1.2;margin:1.4em 0 .5em;color:var(--ink);}
h1{margin-top:0;}
h2{font-size:clamp(1.6rem,3vw,2.2rem);}
h3{font-size:1.15rem;}
p{margin:0 0 1.1em;}
ul,ol{margin:0 0 1.1em;padding-left:20px;}
li{margin-bottom:6px;}
hr{border:none;border-top:1px solid var(--line);margin:36px 0;}

.btn{
    display:inline-flex;align-items:center;gap:8px;
    padding:14px 26px;
    border-radius:999px;
    font-family:var(--body);font-weight:600;font-size:1rem;
    text-decoration:none;
    border:2px solid transparent;
    cursor:pointer;
    transition:transform .15s ease, box-shadow .15s ease;
}
.btn:hover{transform:translateY(-2px);}
.btn:focus-visible{outline:3px solid var(--chalk-yellow);outline-offset:3px;}
.btn-primary{background:var(--chalk-yellow);color:#fff;}
.btn-primary:hover{box-shadow:0 8px 20px rgba(29,161,242,.35);}
.btn-outline{background:transparent;border-color:var(--chalk);color:var(--chalk);}
.board{border-color:var(--board);color:var(--board);}
.btn-outline:hover{background:rgba(255,255,255,.08);}
.btn-outline-ink{background:transparent;border-color:var(--board);color:var(--board);}
.btn-outline-ink:hover{background:rgba(18,58,92,.06);}

/* Header */
header{position:sticky;top:0;z-index:50;background:var(--paper);border-bottom:1px solid var(--line);}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 16px;}
.logo{display:flex;align-items:center;gap:12px;font-family:var(--display);font-size:1.2rem;font-weight:700;color:var(--board);text-decoration:none;}
.logo img{height:42px;width:auto;display:block;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-sub{font-family:var(--body);font-size:.68rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--chalk-pink);}
.nav-links{display:flex;gap:28px;list-style:none;margin:0;padding:0;font-weight:600;font-size:.95rem;}
.nav-links a{text-decoration:none;color:var(--board);opacity:.7;}
.nav-links a:hover{opacity:1;}
.subnav{border-top:1px solid var(--line);}
.subnav-links{
    display:flex;justify-content:center;flex-wrap:wrap;
    gap:10px;list-style:none;margin:0;padding:14px 0;
    font-size:.85rem;font-weight:600;
}
.subnav-links a{
    display:inline-flex;align-items:center;
    padding:8px 18px;
    border-radius:999px;
    border:1px solid var(--line);
    background:var(--paper-dim);
    color:var(--board);
    text-decoration:none;
    transition:background .15s ease, border-color .15s ease, color .15s ease;
}
.subnav-links a:hover{background:#EAF5FE;border-color:var(--chalk-yellow);color:var(--chalk-pink);}
.subnav-links a[aria-current="page"]{background:var(--chalk-yellow);border-color:var(--chalk-yellow);color:#fff;}
.nav-phone{display:none;}
@media(min-width:760px){.nav-phone{display:inline-flex;}}

.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;padding:0;background:none;border:none;cursor:pointer;}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--board);border-radius:2px;transition:transform .2s ease, opacity .2s ease;}
.nav-toggle:focus-visible{outline:3px solid var(--chalk-yellow);outline-offset:3px;}
.nav-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-active span:nth-child(2){opacity:0;}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

@media(max-width:759px){
    .nav-toggle{display:flex;}
    .nav-links{
        display:none;
        position:absolute;top:100%;left:0;right:0;
        flex-direction:column;gap:0;
        background:var(--paper);
        border-bottom:1px solid var(--line);
        box-shadow:0 12px 24px -12px rgba(11,58,92,.25);
        padding:8px 24px 16px;
    }
    .nav-links.is-open{display:flex;}
    .nav-links li{width:100%;}
    .nav-links a{display:block;padding:12px 0;opacity:1;}
}

/* Hero (page d'accueil) */
.hero{
    position:relative;
    background:
        radial-gradient(ellipse 700px 500px at 85% 0%, rgba(29,161,242,.10), transparent 60%),
        radial-gradient(ellipse 600px 400px at 5% 100%, rgba(18,58,92,.06), transparent 55%),
        linear-gradient(180deg, #FBFCFE 0%, var(--paper-dim) 100%);
    color:var(--ink);
    overflow:hidden;
    padding:88px 0 96px;
    border-bottom:1px solid var(--line);
}
.hero::before{
    content:"";position:absolute;inset:0;
    background-image:radial-gradient(rgba(11,58,92,.05) 1px, transparent 1px);
    background-size:26px 26px;
    pointer-events:none;
}
.hero-blob{position:absolute;border-radius:50%;filter:blur(60px);pointer-events:none;z-index:0;}
.hero-blob-1{width:380px;height:380px;background:rgba(29,161,242,.16);top:-140px;right:-80px;}
.hero-blob-2{width:260px;height:260px;background:rgba(18,58,92,.10);bottom:-100px;left:-60px;}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
@media(min-width:900px){.hero-grid{grid-template-columns:1.15fr .85fr;}}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.4rem);color:var(--ink);max-width:15ch;}
.hero .lede{font-size:1.15rem;color:var(--ink-soft);max-width:46ch;margin-bottom:28px;}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;}
.hero-diagram{
    position:relative;
    background:#fff;
    border-radius:calc(var(--radius) + 6px);
    padding:20px;
    box-shadow:0 20px 45px -15px rgba(11,58,92,.25), 0 4px 12px rgba(11,58,92,.06);
    border:1px solid var(--line);
}
.chalk-line{fill:none;stroke:var(--board);stroke-width:2.4;stroke-linecap:round;opacity:.9;}
.chalk-line-soft{fill:none;stroke:var(--chalk-yellow);stroke-width:2;stroke-linecap:round;opacity:.85;}
.chalk-dash{stroke-dasharray:1 7;}
.progress-dot{
    transform-box: view-box;
    offset-path: path("M40 270 C 70 250, 90 230, 110 235 C 130 240, 150 255, 170 220 C 190 185, 200 150, 230 165 C 250 175, 265 190, 285 140 C 300 100, 305 90, 330 20");
    animation: dot-move 4s ease-in-out infinite;
}
@keyframes dot-move{
    from{ offset-distance:0%; }
    to{ offset-distance:100%; }
}
@media (prefers-reduced-motion: reduce){
    .progress-dot{animation:none; offset-distance:100%;}
}

/* Bandeau credibility */
.strip{background:var(--paper-dim);color:var(--board);}
.strip .wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;padding:26px 24px;text-align:center;}
@media(min-width:700px){.strip .wrap{grid-template-columns:repeat(4,1fr);}}
.strip-num{font-family:var(--mono);font-size:2rem;color:var(--board);display:block;}
.strip-label{font-size:1rem;color:var(--board-dark);}

/* Sections génériques */
section{padding:80px 0;}
section.paper{background:var(--paper);}
section.paper-dim{background:var(--paper-dim);}
section.board{background:var(--board);color:var(--chalk);}
section.board .eyebrow{color:var(--chalk-yellow);}

.cards{display:grid;grid-template-columns:1fr;gap:24px;}
@media(min-width:700px){.cards-3{grid-template-columns:repeat(3,1fr);}}
@media(min-width:640px){.cards-2{grid-template-columns:repeat(2,1fr);}}

.method-flow{display:grid;grid-template-columns:1fr;gap:20px;margin-top:40px;align-items:start;}
@media(min-width:900px){.method-flow{grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;}}
.method-step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;position:relative;}
.method-num{
    display:inline-flex;align-items:center;justify-content:center;
    width:34px;height:34px;border-radius:50%;
    background:var(--board);color:var(--chalk);
    font-family:var(--mono);font-weight:600;font-size:.95rem;
    margin-bottom:14px;
}
.method-step h3{font-size:1.1rem;margin-bottom:.35em; min-height:4em;}
.method-step p{color:var(--ink-soft);font-size:.92rem;margin-bottom:0;}
.method-arrow{display:none;}
@media(min-width:900px){
    .method-arrow{display:flex;align-items:center;justify-content:center;color:var(--chalk-pink);font-size:1.4rem;font-weight:700;padding-top:34px;}
}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 2px 8px rgba(11,58,92,.05);}
section.board .card{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.18);}
.card h3{font-size:1.25rem;margin-bottom:.4em;}
.card p{color:var(--ink-soft);margin-bottom:0;}
section.board .card p{color:#B9C6D6;}
.card-icon{width:44px;height:44px;margin-bottom:16px;}

.subject-card{position:relative;}
.subject-tag{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;color:var(--chalk-pink);text-transform:uppercase;display:block;margin-bottom:10px;}

.about{display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
@media(min-width:860px){.about{grid-template-columns:1fr 1.2fr;}}
.about-portrait{background:var(--board);border-radius:var(--radius);aspect-ratio:4/5;overflow:hidden;}
.about ul{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:12px;}
.about li{display:flex;gap:10px;align-items:flex-start;font-weight:600;}
.about li::before{content:"✓";color:var(--chalk-pink);font-weight:700;}

.price-card{background:var(--board-dark);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius);padding:36px;max-width:520px;}
.price-value{font-family:var(--mono);font-size:2.6rem;color:var(--chalk-yellow);}
.price-note{margin-top:18px;padding:16px 18px;border-radius:10px;background:rgba(29,161,242,.12);border:1px dashed var(--chalk-yellow);font-size:.95rem;}
.price-real{font-family:var(--mono);color:var(--chalk-yellow);font-weight:600;}

.zone-list{display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:20px 0 0;list-style:none;}
.zone-list li{font-family:var(--mono);font-size:.82rem;padding:7px 13px;border:1px solid var(--line);border-radius:999px;color:var(--ink-soft);}

/* Pages articles (tarifs, aici, coaching...) */
.intro{background:var(--board);color:var(--chalk);padding:56px 0 40px;}
.intro .eyebrow{color:var(--chalk-yellow);}
.intro h1{color:var(--chalk);font-size:clamp(1.7rem,3.6vw,2.5rem);margin:0;}
.intro p{color:#B9C6D6;margin-top:14px;margin-bottom:0;}
article{padding:56px 0 80px;}
.info-box{margin:24px 0;padding:18px 22px;border-radius:12px;background:rgba(29,161,242,.08);border:1px dashed var(--chalk-yellow);font-size:.98rem;}
.steps{counter-reset:step;list-style:none;padding:0;margin:24px 0;}
.steps li{counter-increment:step;position:relative;padding-left:44px;margin-bottom:18px;}
.steps li::before{
    content:counter(step);position:absolute;left:0;top:0;
    width:30px;height:30px;border-radius:50%;background:var(--board);color:var(--chalk-yellow);
    display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-weight:600;font-size:.9rem;
}
.steps strong{display:block;margin-bottom:2px;}
.cta-row{background:var(--paper-dim);border-radius:var(--radius);padding:28px;margin:32px 0;text-align:center;}
.cta-row a{margin:0 6px;}
table{width:100%;border-collapse:collapse;margin:20px 0;}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);}
th{background:var(--paper-dim);font-weight:700;font-size:.9rem;}
td{font-size:.95rem;}
.example-card{background:var(--paper-dim);border-radius:var(--radius);padding:24px 26px;margin:20px 0;}
.example-card h3{margin-top:0;}
.example-card .result{font-family:var(--mono);font-weight:700;color:var(--chalk-pink);}
code{background:var(--paper-dim);padding:2px 6px;border-radius:4px;font-family:var(--mono);font-size:.9em;}
pre{background:var(--paper-dim);padding:16px 18px;border-radius:10px;overflow-x:auto;font-family:var(--mono);font-size:.85rem;}

/* Accordéon (HTML5 natif via <details>) */
.accordion{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin:24px 0;}
.accordion details{border-bottom:1px solid var(--line);}
.accordion details:last-child{border-bottom:none;}
.accordion summary{
    padding:18px 22px;cursor:pointer;font-weight:700;list-style:none;
    display:flex;align-items:center;justify-content:space-between;
}
.accordion summary::-webkit-details-marker{display:none;}
.accordion summary::after{content:"+";font-size:1.4rem;color:var(--chalk-pink);font-weight:400;}
.accordion details[open] summary::after{content:"−";}
.accordion .accordion-content{padding:0 22px 20px;color:var(--ink-soft);}

/* Colonnes coeur-corps-esprit */
.trio{display:grid;grid-template-columns:1fr;gap:20px;margin:24px 0;}
@media(min-width:700px){.trio{grid-template-columns:repeat(3,1fr);}}
.trio-card{border-radius:var(--radius);padding:26px;}
.trio-card h3{margin-top:0;}
.trio-yellow{background:#FEF3E2;}
.trio-blue{background:#E8F1FA;}
.trio-teal{background:#E5F5F7;}

/* Footer CTA */
footer{background:var(--board-dark);color:var(--chalk);padding:72px 0 40px;}
footer h2{color:var(--chalk);}
.contact-row{display:flex;flex-wrap:wrap;gap:16px;margin-top:26px;}
.footer-bottom{
    margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.15);
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
    font-size:.82rem;color:#93A6BD;
}
footer.simple{padding:56px 0 32px;text-align:center;}
footer.simple .footer-bottom{margin-top:40px;padding-top:20px;display:block;}
.footer-links{
    display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:28px;
    font-size:.85rem;
}
.footer-links a{color:#B9C6D6;text-decoration:none;}
.footer-links a:hover{color:var(--chalk);text-decoration:underline;}
footer.simple .footer-links{justify-content:center;}

.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease, transform .6s ease;}
.reveal.in{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    .reveal{opacity:1;transform:none;transition:none;}
    .btn:hover{transform:none;}
}