@font-face{font-family:Inter;src:url(fonts/Inter-Regular.woff2) format('woff2');font-weight:400 500;font-display:swap}
@font-face{font-family:Inter;src:url(fonts/Inter-SemiBold.woff2) format('woff2');font-weight:600;font-display:swap}
@font-face{font-family:Inter;src:url(fonts/Inter-Bold.woff2) format('woff2');font-weight:700;font-display:swap}
@font-face{font-family:Inter;src:url(fonts/Inter-ExtraBold.woff2) format('woff2');font-weight:800;font-display:swap}
:root{--encre:#172B3A;--ivoire:#F5F1E8;--sarcelle:#187F82;--sarcelle-c:#E3F0EF;--ambre:#D99A2B;--corail:#C65C50;--gris:#5A6772;--trait:#DCD6C8;--max:1120px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:18px;line-height:1.6;color:var(--encre);background:var(--ivoire);
 background-image:radial-gradient(#D6D0C3 1.2px,transparent 1.2px);background-size:40px 40px;-webkit-font-smoothing:antialiased}
a{color:var(--sarcelle);text-underline-offset:3px}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--ambre);outline-offset:3px}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:10}
/* en-tête */
header.site{position:sticky;top:0;z-index:5;background:rgba(245,241,232,.94);backdrop-filter:blur(6px);border-bottom:1px solid var(--trait)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
header.site .logo img{height:34px;width:auto}
nav.main{display:flex;gap:22px;align-items:center}
nav.main a{color:var(--encre);text-decoration:none;font-weight:600;font-size:16px}
nav.main a:hover,nav.main a[aria-current]{color:var(--sarcelle)}
.btn{display:inline-block;background:var(--sarcelle);color:#fff;text-decoration:none;font-weight:700;padding:14px 24px;border-radius:999px;border:0;font-size:17px;cursor:pointer}
.btn:hover{background:#136a6c}
.btn.sm{padding:9px 16px;font-size:15px}
.btn.ghost{background:transparent;color:var(--encre);border:2px solid var(--encre)}
.menu-toggle{display:none;background:none;border:0;font:inherit;font-weight:700;color:var(--encre)}
@media(max-width:860px){nav.main{display:none;position:absolute;top:68px;left:0;right:0;background:var(--ivoire);flex-direction:column;padding:16px 20px;border-bottom:1px solid var(--trait);align-items:flex-start}
 nav.main.open{display:flex}.menu-toggle{display:block}}
/* typo */
.kicker{font-size:14px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--sarcelle)}
h1{font-size:clamp(34px,5.4vw,58px);line-height:1.08;font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(26px,3.4vw,38px);line-height:1.15;font-weight:800;letter-spacing:-.01em}
h3{font-size:21px;line-height:1.3;font-weight:700}
.lead{font-size:clamp(19px,2.2vw,22px);color:#2E4352;max-width:640px}
section{padding:72px 0}
section.tight{padding:48px 0}
.center{text-align:center}.center .lead{margin:0 auto}
/* héros */
.hero{padding:88px 0 64px}
.hero h1{max-width:820px;margin:14px 0 20px}
.hero .actions{display:flex;gap:16px;flex-wrap:wrap;align-items:center;margin-top:32px}
.hero .actions a.link{font-weight:600}
/* constat */
.constat{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:32px}
.constat div{background:#fff;border:1px solid var(--trait);border-radius:16px;padding:22px}
.constat strong{display:block;color:var(--ambre);font-size:15px;margin-bottom:6px}
/* piliers */
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:36px}
.card{background:#fff;border:1px solid var(--trait);border-radius:18px;padding:26px;text-decoration:none;color:var(--encre);display:flex;flex-direction:column;gap:10px;transition:transform .15s,border-color .15s}
a.card:hover{transform:translateY(-3px);border-color:var(--sarcelle)}
.card .ico{width:46px;height:46px;border-radius:12px;background:var(--sarcelle-c);display:grid;place-items:center}
.card .more{margin-top:auto;color:var(--sarcelle);font-weight:700;font-size:16px}
.card p{font-size:16px;color:#33485A}
@media(max-width:960px){.grid4{grid-template-columns:repeat(2,1fr)}.constat{grid-template-columns:1fr}}
@media(max-width:560px){.grid4{grid-template-columns:1fr}}
/* bandeau sombre */
.dark{background:var(--encre);color:var(--ivoire)}
.dark .kicker{color:#58C4BE}.dark .lead{color:#C9D3D8}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px;counter-reset:s}
.steps div{border-top:3px solid #58C4BE;padding-top:18px}
.steps div::before{counter-increment:s;content:"0" counter(s);font-weight:800;color:var(--ambre);display:block;margin-bottom:6px}
@media(max-width:760px){.steps{grid-template-columns:1fr}}
/* bloc vidéo à venir */
.next{display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center;background:#fff;border:1px solid var(--trait);border-radius:22px;padding:32px}
.next .frame{aspect-ratio:16/9;border-radius:14px;background:var(--encre);display:grid;place-items:center;color:var(--ivoire);text-align:center;padding:20px}
@media(max-width:820px){.next{grid-template-columns:1fr}}
/* défi */
.defi{background:var(--sarcelle-c);border-radius:22px;padding:40px;display:grid;grid-template-columns:1.3fr 1fr;gap:28px;align-items:center}
@media(max-width:820px){.defi{grid-template-columns:1fr}}
/* article / pilier */
.article{max-width:760px}
.article h2{margin:44px 0 14px;font-size:28px}
.article p{margin:0 0 16px}
.meca{background:#fff;border-left:5px solid var(--sarcelle);border-radius:0 14px 14px 0;padding:22px 24px;margin:24px 0}
.levier{background:#fff;border:1px solid var(--trait);border-radius:14px;padding:20px 22px;margin:14px 0}
.levier .si{font-weight:700}.levier .si b{color:var(--sarcelle)}
.sources{font-size:15px;color:var(--gris)}.sources li{margin:6px 0 6px 18px}
.avert{font-size:15px;background:#fff;border:1px dashed var(--trait);border-radius:12px;padding:14px 16px;color:#3B4D5B;margin-top:28px}
/* défi 7 jours */
.jours{list-style:none;margin:20px 0}
.jours li{background:#fff;border:1px solid var(--trait);border-radius:12px;padding:14px 16px;margin:10px 0;display:flex;gap:14px;align-items:flex-start}
.jours input{width:22px;height:22px;margin-top:3px;accent-color:var(--sarcelle);flex:none}
/* pied */
footer.site{background:var(--encre);color:#C9D3D8;padding:56px 0 32px;font-size:16px}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
footer.site img{height:30px;width:auto;margin-bottom:16px}
footer.site a{color:#E6EEF0}
footer.site h4{color:var(--ivoire);font-size:15px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:10px}
footer.site ul{list-style:none}footer.site li{margin:6px 0}
footer.site .legal{border-top:1px solid #2E4352;margin-top:36px;padding-top:20px;font-size:14px}
@media(max-width:760px){footer.site .cols{grid-template-columns:1fr}}
@media print{header.site,footer.site,.noprint{display:none}body{background:#fff}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}