/*
Theme Name: MathsBiof Revision Child
Theme URI: https://mathsbiof.com/
Description: Child theme personnalisé de Revision pour MathsBiof.
Author: MathsBiof
Template: revision
Version: 1.2.2
Text Domain: mathsbiof-revision-child
*/

/* MathsBiof child theme additions. Parent Revision styles remain intact. */
:root{
  --mb-blue:#1769d2;
  --mb-navy:#102b55;
  --mb-violet:#7254d8;
  --mb-ink:#17243b;
  --mb-muted:#65748b;
  --mb-soft:#f3f7ff;
  --mb-border:#e3eaf5;
}
body{color:var(--mb-ink)}
.mb-home{overflow:hidden}
.mb-container{width:min(1200px,calc(100% - 40px));margin-inline:auto}
.mb-section{padding:76px 0}
.mb-section-head{text-align:center;max-width:760px;margin:0 auto 34px}
.mb-eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mb-blue);font-weight:800;font-size:13px;letter-spacing:.06em;text-transform:uppercase}
.mb-section-head h2{font-size:clamp(28px,4vw,42px);line-height:1.15;margin:12px 0;color:var(--mb-navy);font-weight:900}
.mb-section-head p{color:var(--mb-muted);font-size:17px;line-height:1.8;margin:0}
.mb-hero{position:relative;padding:86px 0 74px;background:radial-gradient(circle at 85% 15%,rgba(125,93,224,.18),transparent 30%),linear-gradient(125deg,#f2f7ff 0%,#fff 55%,#f4f0ff 100%)}
.mb-hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center}
.mb-hero h1{font-size:clamp(38px,5.6vw,68px);line-height:1.06;letter-spacing:-.035em;font-weight:950;color:var(--mb-navy);margin:16px 0 20px}
.mb-hero h1 span{background:linear-gradient(95deg,var(--mb-blue),var(--mb-violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.mb-hero-copy{font-size:19px;line-height:1.85;color:#52627a;max-width:650px;margin:0 0 28px}
.mb-actions{display:flex;flex-wrap:wrap;gap:12px}
.mb-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 22px;border-radius:13px;text-decoration:none!important;font-weight:850;transition:transform .2s,box-shadow .2s}
.mb-btn:hover{transform:translateY(-2px)}
.mb-btn-primary{background:linear-gradient(110deg,var(--mb-blue),var(--mb-violet));color:#fff!important;box-shadow:0 10px 22px rgba(50,91,190,.22)}
.mb-btn-secondary{background:#fff;color:var(--mb-navy)!important;border:1px solid var(--mb-border);box-shadow:0 8px 18px rgba(30,55,95,.06)}
.mb-hero-art{min-height:300px;border-radius:30px;background:linear-gradient(145deg,#155fc5,#7354d6);position:relative;display:grid;place-items:center;box-shadow:0 25px 55px rgba(42,73,160,.22);overflow:hidden}
.mb-hero-art:before,.mb-hero-art:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.22);border-radius:50%}
.mb-hero-art:before{width:330px;height:330px}
.mb-hero-art:after{width:470px;height:470px}
.mb-hero-symbol{position:relative;z-index:1;color:#fff;font-size:clamp(72px,10vw,126px);font-weight:900;letter-spacing:-.08em;text-shadow:0 10px 24px rgba(0,0,0,.18)}
.mb-hero-symbol small{display:block;text-align:center;font-size:15px;letter-spacing:.22em;font-weight:800}
.mb-quick{margin-top:-1px;background:#fff;border-bottom:1px solid var(--mb-border)}
.mb-quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.mb-quick-item{padding:23px 20px;text-align:center;border-right:1px solid var(--mb-border)}
.mb-quick-item:last-child{border:0}
.mb-quick-item strong{display:block;color:var(--mb-navy);font-size:17px}
.mb-quick-item span{display:block;color:var(--mb-muted);font-size:13px;margin-top:4px}
.mb-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.mb-level-card,.mb-subject-card,.mb-teacher-card{height:100%;background:#fff;border:1px solid var(--mb-border);border-radius:19px;padding:23px;box-shadow:0 8px 24px rgba(27,55,100,.045);transition:transform .2s,box-shadow .2s}
.mb-level-card:hover,.mb-subject-card:hover,.mb-teacher-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(27,55,100,.10)}
.mb-level-card{display:flex;align-items:center;gap:15px;text-decoration:none!important;color:inherit!important}
.mb-level-icon,.mb-subject-icon{width:52px;height:52px;flex:0 0 52px;border-radius:15px;display:grid;place-items:center;background:linear-gradient(140deg,#e9f2ff,#f0ebff);color:var(--mb-blue);font-size:22px;font-weight:900}
.mb-level-card h3,.mb-subject-card h3,.mb-teacher-card h3{margin:0 0 5px;color:var(--mb-navy);font-size:18px;font-weight:900}
.mb-level-card p,.mb-subject-card p,.mb-teacher-card p{margin:0;color:var(--mb-muted);font-size:14px;line-height:1.6}
.mb-subject-card{text-align:center}
.mb-subject-icon{margin:0 auto 14px}
.mb-teacher-card{text-align:center}
.mb-teacher-avatar{width:76px;height:76px;margin:0 auto 14px;border-radius:50%;overflow:hidden;background:#edf3ff;display:grid;place-items:center;color:var(--mb-blue);font-size:28px;font-weight:900}
.mb-teacher-avatar img{width:100%;height:100%;object-fit:cover}
.mb-teacher-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin-top:12px}
.mb-teacher-tags span{font-size:11px;font-weight:800;padding:5px 9px;border-radius:30px;background:#f0f5ff;color:#315b9b}
.mb-empty{grid-column:1/-1;text-align:center;padding:24px;border:1px dashed #cbd8ea;border-radius:16px;color:var(--mb-muted);background:#fbfdff}
.mb-cta{padding:48px;border-radius:26px;background:linear-gradient(115deg,#123d83,#1769d2 58%,#7654d8);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:25px}
.mb-cta h2{color:#fff;font-size:clamp(25px,3.5vw,36px);margin:0 0 8px;font-weight:900}
.mb-cta p{margin:0;color:rgba(255,255,255,.82);line-height:1.7}
.mb-cta .mb-btn{background:#fff;color:#17417e!important;white-space:nowrap}
.mb-blog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.mb-blog-card{border:1px solid var(--mb-border);border-radius:18px;overflow:hidden;background:#fff}
.mb-blog-thumb{aspect-ratio:16/9;background:#edf3ff;overflow:hidden}
.mb-blog-thumb img{width:100%;height:100%;object-fit:cover}
.mb-blog-body{padding:18px}
.mb-blog-body h3{font-size:18px;line-height:1.4;margin:0 0 8px}
.mb-blog-body h3 a{color:var(--mb-navy);text-decoration:none}
.mb-blog-body p{font-size:14px;line-height:1.7;color:var(--mb-muted);margin:0}
.mb-home-search{max-width:650px;margin:30px auto 0;display:flex;gap:8px;padding:7px;background:#fff;border:1px solid var(--mb-border);border-radius:15px;box-shadow:0 10px 28px rgba(24,55,110,.08)}
.mb-home-search input[type=search]{flex:1;min-width:0;border:0!important;box-shadow:none!important;background:transparent;padding:10px 14px}
.mb-home-search button{border:0;border-radius:11px;padding:0 20px;background:var(--mb-blue);color:#fff;font-weight:800}
@media(max-width:850px){
 .mb-hero{padding:58px 0 50px}.mb-hero-grid{grid-template-columns:1fr;gap:30px}.mb-hero-copy{font-size:17px}.mb-hero-art{min-height:220px}
 .mb-card-grid,.mb-blog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .mb-cta{padding:32px;display:block;text-align:center}.mb-cta .mb-btn{margin-top:20px}
}
@media(max-width:560px){
 .mb-container{width:min(100% - 28px,1200px)}
 .mb-section{padding:52px 0}
 .mb-hero{padding:45px 0 38px}.mb-hero h1{font-size:39px}.mb-hero-copy{font-size:16px}
 .mb-hero-art{min-height:190px;border-radius:22px}
 .mb-quick-grid{grid-template-columns:1fr}.mb-quick-item{border-right:0;border-bottom:1px solid var(--mb-border);padding:15px}
 .mb-card-grid,.mb-blog-grid{grid-template-columns:1fr}
 .mb-level-card,.mb-subject-card,.mb-teacher-card{padding:19px}
 .mb-cta{padding:27px 20px}
 .mb-home-search{margin-inline:14px}
}


/* MathsBiof account chooser in Revision header */
.mb-header-connection{display:inline-flex!important;align-items:center;justify-content:center;gap:8px;padding:11px 22px!important;border:0!important;border-radius:12px!important;background:linear-gradient(110deg,#1769d2,#7254d8)!important;color:#fff!important;font-size:14px!important;font-weight:850!important;text-decoration:none!important;white-space:nowrap;box-shadow:0 7px 18px rgba(65,83,190,.2);cursor:pointer}
.mb-header-connection:hover{color:#fff!important;transform:translateY(-1px)}
.cs-header .cs-col-right .mb-header-connection{margin-inline-start:14px}
.cs-header__inner-mobile .mb-header-connection{padding:9px 13px!important;font-size:12px!important;margin-inline-start:5px}
.mb-space-modal{position:fixed;inset:0;z-index:999999;display:none;align-items:center;justify-content:center;padding:20px;background:rgba(12,29,58,.62);backdrop-filter:blur(7px);-webkit-backdrop-filter:blur(7px)}
.mb-space-modal.is-open{display:flex}
.mb-space-dialog{position:relative;width:min(100%,390px);padding:28px 23px 23px;border-radius:23px;background:linear-gradient(145deg,#fff,#f3f7ff);box-shadow:0 25px 80px rgba(0,0,0,.25);text-align:center;animation:mbModalIn .2s ease-out}
@keyframes mbModalIn{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}
.mb-space-close{position:absolute;top:13px;right:13px;width:34px;height:34px;border:0;border-radius:50%;background:#e8f0ff;color:#24538c;font-size:21px;line-height:1;cursor:pointer}
.mb-space-dialog h2{margin:0 0 7px;color:#17365f;font-size:24px;font-weight:900}
.mb-space-subtitle{margin:0 0 21px;color:#71829b;font-size:13px}
.mb-space-option{display:flex;align-items:center;gap:15px;width:100%;padding:13px 15px;margin:0 0 12px;border:1px solid #d5e4fa;border-radius:16px;background:linear-gradient(110deg,#fff,#edf5ff);text-align:left;text-decoration:none!important;box-shadow:0 5px 0 #cbdcf4;transition:transform .18s,box-shadow .18s}
.mb-space-option:last-child{margin-bottom:0}
.mb-space-option:hover{transform:translateY(-2px);box-shadow:0 7px 0 #cbdcf4}
.mb-space-icon{display:grid;place-items:center;flex:0 0 49px;width:49px;height:49px;border-radius:13px;background:linear-gradient(145deg,#328bff,#0758c9);color:#fff;font-size:25px;box-shadow:inset 0 -3px 0 rgba(0,0,0,.13)}
.mb-space-option strong{display:block;color:#214b7c;font-size:15px;font-weight:900;margin-bottom:3px}
.mb-space-option small{display:block;color:#71839c;font-size:11px;font-weight:600}
body.mb-modal-lock{overflow:hidden}
@media(max-width:600px){.mb-space-dialog{padding:26px 17px 19px}.mb-header-connection{padding:9px 12px!important}}

/* v1.2.2: account state and clean public header */
.mb-header-connection{appearance:none;-webkit-appearance:none;font-family:inherit;line-height:1.2}
.mb-header-connection-mobile{margin-inline-start:8px}
body.admin-bar{margin-top:0!important}
@media(max-width:767px){.cs-header__inner-mobile .cs-col-right{display:flex;align-items:center;gap:7px}.cs-header__inner-mobile .mb-header-connection{font-size:12px!important;padding:9px 12px!important}}