:root{--ink:#17324d;--ink-soft:#5b7184;--paper:#f6f8f5;--white:#fff;--line:#e2e9e7;--mint:#d9f0e8;--mint-deep:#1a8b74;--coral:#f6c3b3;--coral-deep:#c65f4b;--yellow:#f5df9b;--yellow-deep:#9b761d;--blue:#c7dbf1;--shadow:0 16px 44px rgba(23,50,77,.07)}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans',sans-serif;font-size:15px;line-height:1.55}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{font-family:Fraunces,serif;letter-spacing:-0.5px}
a{color:inherit}
img{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.eyebrow{text-transform:uppercase;color:var(--mint-deep);font-size:11px;letter-spacing:1.3px;font-weight:700;margin-bottom:10px}

header{position:sticky;top:0;background:rgba(246,248,245,.9);backdrop-filter:blur(6px);border-bottom:1px solid var(--line);z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 0;gap:16px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;text-decoration:none}
.brand img{height:38px;width:38px;object-fit:contain}
.nav-links{display:flex;align-items:center;gap:22px;font-size:13px;font-weight:600;color:var(--ink-soft)}
.nav-links a{text-decoration:none;padding:4px 0;border-bottom:2px solid transparent}
.nav-links a:hover,.nav-links a.active{color:var(--ink);border-color:var(--mint-deep)}
.nav-app-link{font-size:12px;color:var(--ink-soft);text-decoration:none;font-weight:600}
.nav-app-link:hover{color:var(--ink)}
.mobile-menu-toggle{display:none;background:none;border:0;font-size:22px;color:var(--ink);padding:4px 8px;cursor:pointer;order:-1}
.mobile-drawer-backdrop{display:none;position:fixed;inset:0;background:rgba(23,50,77,.4);z-index:40}
.mobile-drawer-backdrop.open{display:block}

.button{display:inline-flex;align-items:center;gap:8px;border-radius:10px;padding:13px 20px;font-weight:700;font-size:13px;text-decoration:none;border:0;cursor:pointer}
.button-primary{background:var(--ink);color:#fff;box-shadow:0 4px 14px rgba(23,50,77,.18)}
.button-primary:hover{background:#254b6d}
.button-outline{background:transparent;color:var(--ink);border:1px solid var(--line)}
.button-outline:hover{border-color:#b3c2c9}

.hero{padding:64px 0 52px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero h1{font-size:42px;line-height:1.1;margin-bottom:18px}
.hero p.lead{color:var(--ink-soft);font-size:16px;max-width:480px;margin-bottom:28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-card{background:var(--white);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:26px}
.hero-card .tag{display:inline-block;background:var(--mint);color:var(--mint-deep);border-radius:20px;padding:5px 12px;font-size:11px;font-weight:700;margin-bottom:16px}

section{padding:52px 0}
.section-head{max-width:560px;margin-bottom:36px}
.section-head h2{font-size:28px;margin-bottom:10px}
.section-head p{color:var(--ink-soft)}

.features{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feature{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--shadow)}
.feature .ic{height:34px;width:34px;border-radius:10px;display:grid;place-items:center;font-size:16px;margin-bottom:14px;background:var(--mint);color:var(--mint-deep)}
.feature h3{font-size:16px;margin-bottom:8px}
.feature p{color:var(--ink-soft);font-size:13px;margin:0}
.included-note{color:var(--ink-soft);font-size:13px;text-align:center;margin:24px 0 0}

.subjects{display:flex;gap:10px;flex-wrap:wrap}
.subject-chip{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:9px 16px;font-size:13px;font-weight:600}

.cta-band{background:var(--ink);border-radius:20px;padding:44px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:8px}
.cta-band p{color:#a8bdca;margin:0;max-width:420px}
.cta-band .button-primary{background:#fff;color:var(--ink)}
.cta-band .button-primary:hover{background:var(--mint)}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-card{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--shadow);display:flex;align-items:center;gap:14px;text-decoration:none}
.contact-card .ic{height:36px;width:36px;border-radius:10px;display:grid;place-items:center;font-size:16px;background:var(--mint);color:var(--mint-deep);flex-shrink:0}
.contact-card strong{display:block;font-size:13px}
.contact-card span{color:var(--ink-soft);font-size:12px}

footer{border-top:1px solid var(--line);padding:26px 0;color:#9caab2;font-size:12px}
.footer-row{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.footer-row a{text-decoration:none;color:#9caab2;font-weight:600}
.footer-row a:hover{color:var(--ink-soft)}

/* Pricing page */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.plan{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:28px 24px;box-shadow:var(--shadow);display:flex;flex-direction:column;position:relative}
.plan.highlight{border-color:var(--mint-deep);border-width:2px}
.plan-badge{position:absolute;top:-13px;right:22px;background:var(--mint-deep);color:#fff;font-size:10px;font-weight:700;padding:5px 12px;border-radius:20px}
.plan-name{font-size:13px;font-weight:700;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.6px;margin-bottom:10px}
.plan-price{font-family:Fraunces,serif;font-size:36px;margin-bottom:2px}
.plan-price span{font-family:'DM Sans';font-size:13px;color:var(--ink-soft);font-weight:600}
.plan-unit{font-size:12px;color:var(--ink-soft);margin-bottom:16px}
.plan-desc{font-size:13px;color:var(--ink-soft);margin-bottom:18px}
.plan-features{list-style:none;margin:0 0 22px;padding:0;display:flex;flex-direction:column;gap:10px;flex:1}
.plan-features li{display:flex;gap:8px;align-items:flex-start;font-size:12px;color:var(--ink-soft)}
.plan-features li:before{content:'✓';color:var(--mint-deep);font-weight:700}
.plan .button{justify-content:center;width:100%}
.plans-note{color:var(--ink-soft);font-size:12px;margin-top:22px;text-align:center}

/* About page */
.about-hero{display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center}
.about-avatar{height:110px;width:110px;border-radius:50%;background:var(--mint);color:var(--mint-deep);display:grid;place-items:center;font-family:Fraunces,serif;font-size:38px;font-weight:700;flex-shrink:0}
.about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:12px}
.about-stat{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:18px;text-align:center;box-shadow:var(--shadow)}
.about-stat strong{display:block;font-family:Fraunces,serif;font-size:26px}
.about-stat span{color:var(--ink-soft);font-size:11px}
.bio p{color:var(--ink-soft);margin-bottom:16px}
.philosophy{background:var(--ink);color:#fff;border-radius:18px;padding:32px}
.philosophy h2{color:#fff}
.philosophy p{color:#c0d0d6;margin:0}

/* Free resources */
#gratuit [hidden],.free-modal[hidden],.free-modal [hidden]{display:none!important}
.free-filters{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.free-chips{display:flex;gap:8px;flex-wrap:wrap}
.free-chip{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:8px 15px;font:inherit;font-size:13px;font-weight:600;color:var(--ink-soft);cursor:pointer}
.free-chip:hover{border-color:#b3c2c9;color:var(--ink)}
.free-chip.active{background:var(--ink);border-color:var(--ink);color:#fff}
.free-selects{display:flex;gap:8px;flex-wrap:wrap}
.free-selects select{border:1px solid var(--line);border-radius:10px;padding:9px 12px;font:inherit;font-size:13px;color:var(--ink);background:var(--white)}
.free-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.free-card{text-align:left;font:inherit;color:inherit;background:var(--white);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow);cursor:pointer;display:flex;flex-direction:column;gap:8px;transition:border-color .15s,transform .15s}
.free-card:hover{border-color:var(--mint-deep);transform:translateY(-2px)}
.free-card h3{font-size:16px;margin:0}
.free-card p{color:var(--ink-soft);font-size:13px;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.free-card-top{display:flex;align-items:center;gap:10px}
.free-card-ic{height:30px;width:30px;border-radius:9px;display:grid;place-items:center;font-size:13px;font-weight:700;background:var(--mint);color:var(--mint-deep);flex-shrink:0}
.free-card-video .free-card-ic{background:var(--coral);color:var(--coral-deep)}
.free-card-exercice .free-card-ic{background:var(--blue);color:#2f5f8f}
.free-card-quiz .free-card-ic{background:var(--yellow);color:var(--yellow-deep)}
.free-meta{font-size:11px;font-weight:700;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.6px;margin:0}
.free-card-cta{margin-top:auto;padding-top:6px;font-size:13px;font-weight:700;color:var(--mint-deep);display:flex;align-items:center;justify-content:space-between;gap:8px}
.free-quiz-tag{background:var(--yellow);color:var(--yellow-deep);border-radius:20px;padding:3px 9px;font-size:10px;font-weight:700}
.free-empty{color:var(--ink-soft);text-align:center;background:var(--white);border:1px dashed var(--line);border-radius:14px;padding:28px}
.free-more{text-align:center;margin-top:22px}

.free-modal{position:fixed;inset:0;background:rgba(23,50,77,.5);z-index:60;display:flex;align-items:flex-start;justify-content:center;padding:40px 16px;overflow-y:auto}
.free-modal-box{background:var(--white);border-radius:18px;max-width:820px;width:100%;padding:26px;box-shadow:0 24px 60px rgba(23,50,77,.25)}
.free-modal-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:18px}
.free-modal-head h3{font-size:22px;margin:4px 0 0}
.free-close{background:none;border:1px solid var(--line);border-radius:10px;height:36px;width:36px;font-size:15px;cursor:pointer;color:var(--ink-soft);flex-shrink:0}
.free-close:hover{color:var(--ink);border-color:#b3c2c9}
.free-video{position:relative;padding-top:56.25%;border-radius:12px;overflow:hidden;background:#000;margin-bottom:18px}
.free-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.free-video-file{width:100%;border-radius:12px;background:#000;margin-bottom:18px}
.free-description{color:var(--ink-soft)}
.free-body{white-space:pre-line;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:18px;margin-bottom:18px;font-size:14px}
.free-pdf{width:100%;height:520px;border:1px solid var(--line);border-radius:12px;margin-bottom:12px}
.free-download{margin-bottom:18px}
.free-quiz{border-top:1px solid var(--line);padding-top:18px}
.free-quiz-title{font-family:Fraunces,serif;font-size:18px;margin:0 0 14px}
.free-question{border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:0 0 12px}
.free-question legend{font-weight:700;padding:0 6px;font-size:14px}
.free-choice{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:9px;cursor:pointer;font-size:14px;border:1px solid transparent}
.free-choice:hover{background:var(--paper)}
.free-choice.right{background:var(--mint);border-color:var(--mint-deep)}
.free-choice.wrong{background:#fce2d9;border-color:var(--coral-deep)}
.free-explanation{font-size:13px;margin:8px 0 0}
.free-explanation:empty{display:none}
.free-explanation.ok{color:var(--mint-deep)}
.free-explanation.ko{color:var(--coral-deep)}
.free-quiz-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.free-score{font-weight:700;margin:14px 0 0}
.free-score:empty{display:none}

@media (max-width:860px){
  .free-grid{grid-template-columns:1fr}
  .free-modal{padding:12px}
  .free-modal-box{padding:18px}
  .free-pdf{height:420px}
  .hero-grid{grid-template-columns:1fr}
  .features,.plans{grid-template-columns:1fr}
  .contact-grid,.about-stats{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .cta-band{flex-direction:column;text-align:center}
  .cta-band p{max-width:none}
  .about-hero{grid-template-columns:1fr;text-align:center}
  .about-avatar{margin:0 auto}
  .mobile-menu-toggle{display:block}
  .nav-links{position:fixed;top:0;left:-280px;width:260px;max-width:80vw;height:100vh;background:var(--white);flex-direction:column;align-items:flex-start;gap:2px;padding:80px 24px 24px;box-shadow:0 0 30px rgba(23,50,77,.18);transition:left .25s ease;z-index:41;overflow-y:auto}
  .nav-links.open{left:0}
  .nav-links a{width:100%;padding:12px 0;font-size:14px;border-bottom:1px solid #edf1ef}
  .nav-links .nav-app-link{margin-top:10px;color:var(--mint-deep)}
}