/* ============================================================
   SUPERMATHS — REDESIGN 2026
   Habillage visuel uniquement. Aucune classe/ID ne change :
   tout le JS et Firebase existants continuent de fonctionner.
   ============================================================ */

:root{
  --sm-ink:#33555A;
  --sm-ink-soft:#16B8B3;
  --sm-teal:#16B8B3;
  --sm-teal-dark:#0D6E6B;
  --sm-mist:#EEFAFA;
  --sm-paper:#FFFFFF;
  --sm-slate:#43576D;
  --sm-gold:#FFC33D;
  --sm-line:#DCE8EB;
  --sm-radius:6px;
  --sm-serif:"Space Grotesk",Inter,Arial,sans-serif;
  --sm-sans:"Inter",Arial,sans-serif;
}

html{scroll-behavior:smooth}

body{
  font-family:var(--sm-sans)!important;
  color:var(--sm-ink)!important;
  background:var(--sm-mist)!important;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,.sm239-name,.sm418-year,.year-pill,
.sm251-stat strong,.mini-bar strong,.method b,.quick-benefits b,.sm418-benefits b{
  font-family:var(--sm-serif)!important;
  letter-spacing:-0.01em;
}

/* ---------- Top navigation ---------- */
.topnav{
  background:rgba(255,255,255,.92)!important;
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--sm-line)!important;
  box-shadow:none!important;
}
.navlinks a{
  color:#111111!important;
  font-weight:500;
  font-size:.95rem;
}
.navlinks a:hover{color:var(--sm-teal)!important}
.navlinks a.login-btn{
  background:var(--sm-ink)!important;
  color:#fff!important;
  border-radius:var(--sm-radius)!important;
  padding:.55em 1.2em!important;
  transition:background .15s ease;
}
.navlinks a.login-btn:hover{background:var(--sm-teal-dark)!important}

/* ---------- Hero ---------- */
.hero{
  background:transparent!important;
  padding-top:64px!important;
  padding-bottom:48px!important;
}
.year-pill{
  display:inline-block;
  background:var(--sm-paper)!important;
  border:1px solid var(--sm-line)!important;
  color:var(--sm-teal-dark)!important;
  font-size:1.05rem!important;
  font-weight:700;
  letter-spacing:.03em;
  padding:.55em 1.3em!important;
  border-radius:999px!important;
}
.hero-left h1{
  color:var(--sm-ink)!important;
  font-size:clamp(2.3rem,5vw,3.4rem)!important;
  line-height:1.08!important;
  font-weight:600!important;
  margin:.5em 0 .4em!important;
}
.hero-left h1 span{color:var(--sm-teal)!important}
.hero-left p{
  color:var(--sm-slate)!important;
  font-size:1.08rem!important;
  max-width:46ch;
  line-height:1.6!important;
}
.primary-action{
  background:var(--sm-teal)!important;
  color:#fff!important;
  border:none!important;
  border-radius:var(--sm-radius)!important;
  font-weight:600!important;
  padding:.85em 1.6em!important;
  transition:transform .15s ease,background .15s ease;
}
.primary-action:hover{background:var(--sm-teal-dark)!important;transform:translateY(-1px)}
.secondary-action{
  color:var(--sm-ink)!important;
  border:1px solid var(--sm-line)!important;
  border-radius:var(--sm-radius)!important;
  background:var(--sm-paper)!important;
  font-weight:600!important;
  padding:.85em 1.6em!important;
}
.secondary-action:hover{border-color:var(--sm-teal)!important;color:var(--sm-teal)!important}

.quick-benefits{border-top:1px solid var(--sm-line)!important;margin-top:2em!important;padding-top:1.4em!important}
.quick-benefits b{color:var(--sm-teal)!important;font-size:1.3rem!important}
.quick-benefits span{color:var(--sm-slate)!important;font-size:.85rem}

/* Hero photo: diagonal cut instead of the generic rounded "SaaS card" */
.sm404-hero-visual{
  border-radius:0!important;
  clip-path:polygon(0 3%,100% 0,100% 97%,0 100%);
  box-shadow:none!important;
  border:none!important;
  overflow:hidden;
}
.sm404-student{filter:saturate(1.03) contrast(1.02);}
.sm404-badge{
  background:var(--sm-ink)!important;
  color:#fff!important;
  border-radius:var(--sm-radius)!important;
  font-family:var(--sm-sans)!important;
  font-weight:500;
  letter-spacing:0!important;
  text-transform:none!important;
}
.sm404-spark{display:none!important}

/* ---------- Video section ---------- */
.sm405-video-section{background:var(--sm-paper)!important;padding:56px 0!important;border-top:1px solid var(--sm-line)!important;border-bottom:1px solid var(--sm-line)!important}
.sm405-video-wrap{border-radius:var(--sm-radius)!important;overflow:hidden;box-shadow:0 20px 50px -24px rgba(11,35,56,.28)!important;border:1px solid var(--sm-line)!important}

/* ---------- Mini stats bar ---------- */
.mini-bar{
  background:var(--sm-ink)!important;
  color:#fff!important;
  border-radius:0!important;
}
.mini-bar strong{color:#fff!important;font-size:1.25rem!important}
.mini-bar span{color:#A9C2CC!important;font-size:.82rem}
.mini-bar>div{border-left:1px solid rgba(255,255,255,.14)!important}
.mini-bar>div:first-child{border-left:none!important}

/* ---------- Discovery / live stats ---------- */
.sm251-discovery{background:var(--sm-paper)!important}
.sm251-stat{
  border:1px solid var(--sm-line)!important;
  border-radius:var(--sm-radius)!important;
  box-shadow:none!important;
  background:var(--sm-paper)!important;
}
.sm251-stat strong{color:var(--sm-ink)!important;font-size:1.5rem!important}
.sm251-stat span{color:var(--sm-slate)!important;font-size:.82rem}
.sm251-subject-head h2{color:var(--sm-ink)!important;font-weight:600!important}
.sm251-subject-head small{
  color:var(--sm-teal-dark)!important;
  font-weight:700;letter-spacing:.06em;font-size:.75rem;
}
.sm251-live{color:var(--sm-slate)!important}
.sm251-subject{
  border:1px solid var(--sm-line)!important;
  border-radius:var(--sm-radius)!important;
  background:var(--sm-paper)!important;
  box-shadow:none!important;
  transition:border-color .15s ease;
}
.sm251-subject:hover{border-color:var(--sm-teal)!important}
.sm251-subject-icon{
  background:var(--sm-mist)!important;
  color:var(--sm-teal-dark)!important;
  border-radius:var(--sm-radius)!important;
}
.sm251-subject-arrow{color:var(--sm-slate)!important}

/* ---------- Section heading pattern ---------- */
.section-heading>span{
  color:var(--sm-teal-dark)!important;
  font-weight:700!important;
  letter-spacing:.05em!important;
  font-size:.78rem!important;
  text-transform:none!important;
  border-left:3px solid var(--sm-gold);
  padding-left:.6em;
}
.section-heading h2{
  color:var(--sm-ink)!important;
  font-weight:600!important;
  font-size:clamp(1.5rem,3vw,2.1rem)!important;
  line-height:1.15!important;
  margin-top:.35em!important;
}

/* ---------- Course cards ---------- */
.course-card{
  border-radius:var(--sm-radius)!important;
  border:1px solid var(--sm-line)!important;
  background:var(--sm-paper)!important;
  box-shadow:none!important;
  transition:transform .15s ease,box-shadow .15s ease;
}
.course-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px -18px rgba(11,35,56,.35)!important}
.course-card .course-icon{
  border-radius:var(--sm-radius)!important;
  font-family:var(--sm-serif)!important;
}
.course-card.teal .course-icon{background:rgba(14,154,160,.12)!important;color:var(--sm-teal-dark)!important}
.course-card.blue .course-icon{background:rgba(11,35,56,.08)!important;color:var(--sm-ink)!important}
.course-card.sand .course-icon{background:rgba(255,195,61,.18)!important;color:#A66A0C!important}
.course-card h3{color:var(--sm-ink)!important;font-weight:600!important}
.course-card p{color:var(--sm-slate)!important}

/* ---------- Public course market ---------- */
.public-market{background:var(--sm-mist)!important}
.pc-intro{color:var(--sm-slate)!important}
.pc-filters input,.pc-filters select{
  border:1px solid var(--sm-line)!important;
  border-radius:var(--sm-radius)!important;
  background:var(--sm-paper)!important;
  color:var(--sm-ink)!important;
}
.pc-filters input:focus,.pc-filters select:focus{outline:2px solid var(--sm-teal)!important;outline-offset:1px}
.pc-status{color:var(--sm-slate)!important}

/* ---------- Method ---------- */
.method{
  background:var(--sm-ink)!important;
  color:#fff!important;
  border-radius:0!important;
}
.method-copy span{color:var(--sm-gold)!important;font-weight:700;letter-spacing:.05em;font-size:.78rem}
.method-copy h2{color:#fff!important;font-weight:600!important}
.method-copy p{color:#B9CBD3!important}
.method-list b{
  color:var(--sm-ink)!important;
  background:var(--sm-gold)!important;
  border-radius:50%;
  font-family:var(--sm-serif)!important;
}
.method-list strong{color:#fff!important}
.method-list small{color:#A9C2CC!important}

/* ---------- Levels ---------- */
.levels-grid article{
  border:1px solid var(--sm-line)!important;
  border-radius:var(--sm-radius)!important;
  background:var(--sm-paper)!important;
  box-shadow:none!important;
}
.levels-grid small{color:var(--sm-teal-dark)!important;font-weight:700;letter-spacing:.05em;font-size:.72rem}
.levels-grid h3{color:var(--sm-ink)!important;font-weight:600!important}
.levels-grid p{color:var(--sm-slate)!important}

/* ---------- Final CTA — the one warm accent ---------- */
.cta{
  background:var(--sm-gold)!important;
  border-radius:var(--sm-radius)!important;
  color:#2B2004!important;
}
.cta span{color:#5C4610!important;font-weight:600;letter-spacing:.03em;font-size:.85rem}
.cta h2{color:#2B2004!important;font-weight:600!important}
.cta p{color:#5C4610!important}
.cta a{
  background:var(--sm-ink)!important;
  color:#fff!important;
  border-radius:var(--sm-radius)!important;
  font-weight:600!important;
}
.cta a:hover{background:var(--sm-teal-dark)!important}

/* ---------- Contact ---------- */
.contact-grid a{
  border:1px solid var(--sm-line)!important;
  border-radius:var(--sm-radius)!important;
  background:var(--sm-paper)!important;
  box-shadow:none!important;
  transition:border-color .15s ease;
}
.contact-grid a:hover{border-color:var(--sm-teal)!important}
.contact-icon{
  background:var(--sm-mist)!important;
  color:var(--sm-teal-dark)!important;
  border-radius:var(--sm-radius)!important;
}
.contact-grid strong{color:var(--sm-ink)!important}
.contact-grid small{color:var(--sm-slate)!important}

/* ---------- Footer ---------- */
footer{
  background:var(--sm-paper)!important;
  color:var(--sm-slate)!important;
  border-top:1px solid var(--sm-line)!important;
}
footer p{color:var(--sm-slate)!important}
footer a{color:var(--sm-ink-soft)!important}

/* ---------- Accessibility: visible focus ---------- */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{
  outline:2px solid var(--sm-teal)!important;
  outline-offset:2px;
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;scroll-behavior:auto!important}
}