/* ===========================================================
   L'Atelier du français — version "moderne"
   Dark aubergine + dégradé violet/corail, verre dépoli, bento grid
   =========================================================== */

:root{
  --bg: #120f1b;
  --bg-soft: #1a1526;
  --surface: rgba(255,255,255,0.045);
  --surface-hover: rgba(255,255,255,0.075);
  --border: rgba(255,255,255,0.10);
  --text: #f4f0ea;
  --text-soft: #b3abc4;
  --violet: #8b7cf6;
  --coral: #ff7a6e;
  --gold: #f3c77e;
  --grad: linear-gradient(135deg, var(--violet), var(--coral));
  --radius: 18px;
  --radius-sm: 12px;
  --max: 1180px;
  --display: "Space Grotesk", "Manrope", sans-serif;
  --body: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --serif: "Instrument Serif", Georgia, serif;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation:none !important; transition-duration:.01ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--body);
  font-size:16px;
  line-height:1.65;
  position:relative;
  overflow-x:hidden;
}

.wrap{ max-width:var(--max); margin:0 auto; padding:0 28px; position:relative; z-index:1; }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
::selection{ background:var(--violet); color:#fff; }
:focus-visible{ outline:2px solid var(--coral); outline-offset:3px; }

h1,h2,h3{ font-family:var(--display); font-weight:600; margin:0 0 .5em; letter-spacing:-0.02em; }
p{ margin:0 0 1em; color:var(--text-soft); }
em{ font-family:var(--serif); font-style:italic; font-weight:400; color:var(--coral); }

/* -------- background mesh -------- */
.bg-mesh{ position:fixed; inset:0; z-index:0; overflow:hidden; pointer-events:none; }
.blob{
  position:absolute; border-radius:50%; filter:blur(90px); opacity:.55;
  animation:drift 22s ease-in-out infinite alternate;
}
.blob-1{ width:520px; height:520px; background:var(--violet); top:-160px; left:-120px; }
.blob-2{ width:460px; height:460px; background:var(--coral); top:20%; right:-160px; animation-duration:26s; animation-delay:-6s; }
.blob-3{ width:380px; height:380px; background:var(--gold); bottom:-140px; left:30%; opacity:.35; animation-duration:30s; animation-delay:-12s; }
@keyframes drift{
  0%{ transform:translate(0,0) scale(1); }
  100%{ transform:translate(40px,60px) scale(1.12); }
}
.grain{
  position:absolute; inset:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
}

/* -------- shared bits -------- */
.eyebrow{
  font-family:var(--display); text-transform:uppercase; letter-spacing:.14em;
  font-size:.78rem; color:var(--coral); font-weight:600; margin:0 0 .8em;
}
.section-title{ font-size:clamp(1.7rem, 3vw, 2.5rem); max-width:640px; }
.pill{
  display:inline-flex; align-items:center; gap:8px;
  background:var(--surface); border:1px solid var(--border);
  padding:.5em 1.1em; border-radius:99px; font-size:.85rem; color:var(--text-soft);
  backdrop-filter:blur(10px); margin-bottom:1.4em;
}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  font-family:var(--display); font-weight:600; font-size:.95rem;
  padding:.9em 1.7em; border-radius:99px; border:1px solid transparent;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.btn-primary{ background:var(--grad); color:#171224; }
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 14px 30px -12px rgba(139,124,246,.55); }
.btn-ghost{ border-color:var(--border); color:var(--text); background:var(--surface); backdrop-filter:blur(10px); }
.btn-ghost:hover{ background:var(--surface-hover); border-color:rgba(255,255,255,.2); }

/* =========================================================
   Header
   ========================================================= */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(18,15,27,0.6);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--border);
}
.header-inner{ display:flex; align-items:center; gap:24px; padding:16px 28px; }
.logotype{ display:flex; align-items:center; gap:10px; margin-right:auto; }
.logotype-mark{
  font-family:var(--display); font-weight:700; font-size:.85rem;
  background:var(--grad); color:#171224;
  width:36px; height:36px; border-radius:10px;
  display:flex; align-items:center; justify-content:center; flex-shrink:0;
}
.logotype-text{ font-family:var(--display); font-weight:600; font-size:1rem; }

.main-nav{ display:flex; align-items:center; gap:26px; font-size:.92rem; color:var(--text-soft); }
.main-nav a{ transition:color .2s ease; }
.main-nav a:hover{ color:var(--text); }
.nav-contact-mobile{ display:none; }
.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  background:none; border:none; cursor:pointer; padding:8px;
}
.nav-toggle span{ width:22px; height:2px; background:var(--text); display:block; }

/* =========================================================
   Hero
   ========================================================= */
.hero{ padding:110px 0 60px; text-align:center; }
.hero-inner{ max-width:760px; margin:0 auto; }
.hero h1{ font-size:clamp(2.4rem, 6vw, 4.1rem); line-height:1.05; }
.dot-accent{ color:var(--coral); }
.hero-lede{ font-size:1.1rem; max-width:560px; margin:0 auto 1.8em; }
.hero-actions{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

.stat-row{
  display:grid; grid-template-columns:repeat(3,1fr); gap:18px;
  max-width:820px; margin:70px auto 0;
}
.stat-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:1.6em 1em; text-align:center; backdrop-filter:blur(10px);
}
.stat-number{ display:block; font-family:var(--display); font-size:2.1rem; font-weight:700; background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; }
.stat-label{ font-size:.82rem; color:var(--text-soft); }

/* =========================================================
   Bento — pourquoi
   ========================================================= */
.pourquoi{ padding:100px 0; }
.bento-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin-top:2.2em;
}
.bento-tile{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:1.9em; backdrop-filter:blur(10px);
  transition:transform .2s ease, border-color .2s ease, background .2s ease;
}
.bento-tile:hover{ transform:translateY(-4px); border-color:rgba(255,255,255,.2); background:var(--surface-hover); }
.tile-wide{ grid-column:span 2; }
.tile-icon{ width:26px; height:26px; color:var(--coral); margin-bottom:.9em; }
.bento-tile h3{ font-size:1.1rem; }
.bento-tile p{ font-size:.92rem; margin:0; }

/* =========================================================
   Offres
   ========================================================= */
.cours{ padding:0 0 100px; }
.offres-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin-top:2.2em;
}
.offre-card{
  position:relative; background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius); padding:1.8em; backdrop-filter:blur(10px);
  transition:transform .2s ease, border-color .2s ease, background .2s ease;
  overflow:hidden;
}
.offre-card::before{
  content:""; position:absolute; inset:0; background:var(--grad); opacity:0;
  transition:opacity .25s ease; z-index:-1;
}
.offre-card:hover{ transform:translateY(-4px); border-color:transparent; }
.offre-card:hover::before{ opacity:.14; }
.offre-tag{
  display:inline-block; font-family:var(--display); font-size:.72rem; text-transform:uppercase;
  letter-spacing:.1em; color:var(--gold); margin-bottom:.8em;
}
.offre-card h3{ font-size:1.15rem; }
.offre-card p{ font-size:.92rem; margin-bottom:1.4em; }
.offre-arrow{ font-family:var(--display); color:var(--coral); font-weight:600; }

/* =========================================================
   Histoire
   ========================================================= */
.histoire{ padding:100px 0; }
.histoire-inner{ display:grid; grid-template-columns:1.3fr 1fr; gap:60px; align-items:start; }
.grad-text{ background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; }
.timeline{ display:flex; flex-direction:column; gap:22px; border-left:1px solid var(--border); padding-left:26px; }
.timeline-item{ position:relative; display:flex; gap:14px; }
.timeline-dot{
  position:absolute; left:-32px; top:4px; width:9px; height:9px; border-radius:50%;
  background:var(--grad);
}
.timeline-item strong{ font-family:var(--display); display:block; margin-bottom:.15em; }
.timeline-item p{ font-size:.88rem; margin:0; }

/* =========================================================
   Équipe
   ========================================================= */
.equipe{ padding:0 0 100px; }
.equipe-grid{
  display:grid; grid-template-columns:repeat(auto-fit, minmax(210px,1fr)); gap:18px; margin-top:2.2em;
}
.prof-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:1.7em; text-align:left; backdrop-filter:blur(10px);
  transition:transform .2s ease, border-color .2s ease;
}
.prof-card:hover{ transform:translateY(-4px); border-color:rgba(255,255,255,.2); }
.prof-avatar{
  display:flex; align-items:center; justify-content:center;
  width:52px; height:52px; border-radius:14px; margin-bottom:1em;
  font-family:var(--display); font-weight:700; font-size:1rem; color:#171224;
  background:linear-gradient(135deg, var(--g1), var(--g2));
}
.prof-card h3{ font-size:1.02rem; margin-bottom:.1em; }
.prof-role{ font-size:.8rem; color:var(--gold); font-family:var(--display); margin-bottom:.7em; }
.prof-card p:not(.prof-role){ font-size:.88rem; margin:0; }

/* =========================================================
   Avis
   ========================================================= */
.avis{ padding:0 0 100px; }
.avis-grid{ display:grid; grid-template-columns:repeat(auto-fit, minmax(250px,1fr)); gap:18px; margin-top:2.2em; }
.avis-card{
  margin:0; background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:1.7em; backdrop-filter:blur(10px);
}
.avis-card p{ font-size:.95rem; color:var(--text); font-family:var(--serif); font-style:italic; font-size:1.15rem; line-height:1.4; }
.avis-card cite{ font-size:.78rem; color:var(--text-soft); font-style:normal; }

/* =========================================================
   Contact
   ========================================================= */
.contact{ padding:0 0 110px; }
.contact-inner{ display:grid; grid-template-columns:1fr 1fr; gap:50px; align-items:start; }
.contact-list{ list-style:none; margin:1.6em 0 0; padding:0; display:flex; flex-direction:column; gap:.7em; }
.contact-list li{ display:flex; gap:.6em; font-size:.95rem; }
.contact-list span{ font-family:var(--display); font-weight:600; color:var(--text); min-width:76px; }
.contact-list a:hover{ color:var(--coral); }

.contact-form{
  display:flex; flex-direction:column; gap:16px;
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:2em; backdrop-filter:blur(10px);
}
.contact-form label{ display:flex; flex-direction:column; gap:.4em; font-size:.85rem; font-weight:600; color:var(--text-soft); }
.contact-form input, .contact-form textarea{
  font-family:var(--body); font-size:.95rem; padding:.75em .9em;
  border:1px solid var(--border); border-radius:var(--radius-sm);
  background:rgba(255,255,255,.04); color:var(--text); resize:vertical;
}
.contact-form input:focus, .contact-form textarea:focus{ border-color:var(--coral); outline:none; }
.form-note{ font-size:.76rem; color:var(--text-soft); margin:0; }

/* =========================================================
   Footer
   ========================================================= */
.site-footer{ border-top:1px solid var(--border); padding:50px 0; position:relative; z-index:1; }
.footer-inner{ display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:20px; }
.social-nav{ display:flex; flex-wrap:wrap; gap:18px; font-size:.85rem; color:var(--text-soft); }
.social-nav a:hover{ color:var(--coral); }
.footer-copy{ width:100%; font-size:.78rem; color:var(--text-soft); margin:10px 0 0; }

/* =========================================================
   Reveal on scroll
   ========================================================= */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .7s ease, transform .7s ease; }
.reveal.is-visible{ opacity:1; transform:none; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 960px){
  .bento-grid{ grid-template-columns:1fr 1fr; }
  .offres-grid{ grid-template-columns:1fr 1fr; }
  .histoire-inner, .contact-inner{ grid-template-columns:1fr; }
  .stat-row{ grid-template-columns:1fr; max-width:320px; }
}
@media (max-width: 720px){
  .nav-cta{ display:none; }
  .nav-toggle{ display:flex; }
  .main-nav{
    position:absolute; top:100%; left:0; right:0;
    background:rgba(18,15,27,.97); border-bottom:1px solid var(--border);
    flex-direction:column; align-items:flex-start; gap:0; padding:6px 28px 18px;
    display:none;
  }
  .main-nav.open{ display:flex; }
  .main-nav a{ width:100%; padding:14px 0; border-bottom:1px solid var(--border); }
  .main-nav a:last-child{ border-bottom:none; }
  .nav-contact-mobile{ display:block; color:var(--coral); font-weight:600; }
  .bento-grid, .offres-grid{ grid-template-columns:1fr; }
  .tile-wide{ grid-column:span 1; }
  .hero{ padding-top:80px; }
}