:root{
    --navy-deep:#071D33;
    --navy:#0B2A4A;
    --navy-mid:#123A60;
    --gold:#C9A24B;
    --gold-light:#E7CE94;
    --paper:#F7F4EC;
    --paper-dim:#EDE8DA;
    --ink:#1B2430;
    --ink-soft:#4B5666;
    --line:rgba(11,42,74,0.12);
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    font-family:'Inter',sans-serif;
    background:var(--paper);
    color:var(--ink);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  img,svg{display:block;max-width:100%;}
  a{color:inherit;text-decoration:none;}
  ul{list-style:none;}
  .wrap{max-width:1180px;margin:0 auto;padding:0 28px;}
  h1,h2,h3,h4{font-family:'Playfair Display',serif;font-weight:700;color:var(--navy);letter-spacing:-0.01em;}
  .eyebrow{
    font-family:'JetBrains Mono',monospace;
    font-size:12px;
    letter-spacing:0.14em;
    text-transform:uppercase;
    color:var(--gold);
    font-weight:500;
  }
  .btn{
    display:inline-flex;align-items:center;gap:8px;
    padding:14px 28px;
    border-radius:2px;
    font-weight:600;
    font-size:15px;
    cursor:pointer;
    border:1px solid transparent;
    transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  }
  .btn-primary{background:var(--gold);color:var(--navy-deep);}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(201,162,75,0.35);}
  .btn-ghost{border-color:rgba(231,206,148,0.5);color:var(--gold-light);}
  .btn-ghost:hover{background:rgba(231,206,148,0.08);}
  .btn-dark{border-color:var(--navy);color:var(--navy);}
  .btn-dark:hover{background:var(--navy);color:var(--gold-light);}

  /* ===== Header & Brand ===== */
  header{
    position:sticky;top:0;z-index:50;
    background:rgba(7,29,51,0.95);
    backdrop-filter:blur(12px);
    border-bottom:1px solid rgba(201,162,75,0.25);
    box-shadow:0 4px 20px rgba(0,0,0,0.3);
  }
  .nav{
    display:flex;align-items:center;justify-content:space-between;
    padding:14px 28px;
    max-width:1180px;margin:0 auto;
  }
  .brand{
    display:flex;align-items:center;gap:14px;
    transition:transform 0.2s ease;
  }
  .brand:hover{
    transform:scale(1.01);
  }
  .brand-badge{
    height:44px;width:44px;
    border-radius:8px;
    background:linear-gradient(135deg, var(--navy-mid), var(--navy-deep));
    border:1px solid var(--gold);
    display:flex;align-items:center;justify-content:center;
    font-family:'Playfair Display',serif;
    font-weight:800;
    font-size:18px;
    color:var(--gold-light);
    box-shadow:0 0 12px rgba(201,162,75,0.25);
  }
  .brand-text{
    display:flex;
    flex-direction:column;
    justify-content:center;
  }
  .brand-title{
    font-family:'Playfair Display',serif;
    font-size:20px;
    font-weight:800;
    line-height:1.1;
    background:linear-gradient(135deg, #FFFFFF 0%, #E7CE94 60%, #C9A24B 100%);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    letter-spacing:0.02em;
  }
  .brand-subtitle{
    font-family:'JetBrains Mono',monospace;
    font-size:10.5px;
    font-weight:600;
    letter-spacing:0.2em;
    color:var(--gold);
    text-transform:uppercase;
    margin-top:2px;
    opacity:0.9;
  }

  .nav-links{display:flex;gap:34px;align-items:center;}
  .nav-links a{
    font-size:14px;color:var(--paper);opacity:0.85;font-weight:500;
    position:relative;
  }
  .nav-links a:hover{opacity:1;}
  .nav-links a::after{
    content:"";position:absolute;left:0;bottom:-6px;width:0;height:1px;background:var(--gold);
    transition:width .2s ease;
  }
  .nav-links a:hover::after{width:100%;}
  .nav-toggle{display:none;background:none;border:none;cursor:pointer;}
  .nav-toggle span{display:block;width:24px;height:2px;background:var(--gold-light);margin:5px 0;}

  /* ===== Hero ===== */
  .hero{
    background:radial-gradient(ellipse at 50% -10%, #10375C 0%, var(--navy-deep) 62%);
    color:var(--paper);
    position:relative;
    overflow:hidden;
    padding:100px 0 130px;
  }
  .hero::before{
    content:"";position:absolute;inset:0;
    background-image:
      linear-gradient(rgba(231,206,148,0.06) 1px, transparent 1px),
      linear-gradient(90deg, rgba(231,206,148,0.06) 1px, transparent 1px);
    background-size:64px 64px;
    mask-image:radial-gradient(ellipse at 50% 20%, black 0%, transparent 70%);
  }
  .hero-inner{
    position:relative;z-index:2;
    display:grid;grid-template-columns:1.1fr 0.9fr;gap:60px;align-items:center;
  }
  .hero h1{
    font-size:clamp(34px,4.6vw,58px);
    color:var(--paper);
    line-height:1.08;
    margin:18px 0 22px;
  }
  .hero h1 em{font-style:normal;color:var(--gold-light);}
  .hero p.lead{
    font-size:17px;color:rgba(247,244,236,0.78);max-width:480px;margin-bottom:34px;
  }
  .hero-ctas{display:flex;gap:16px;flex-wrap:wrap;}
  .hero-stats{
    display:flex;gap:34px;margin-top:52px;padding-top:28px;
    border-top:1px solid rgba(231,206,148,0.18);
  }
  .hero-stats div b{
    display:block;font-family:'Playfair Display',serif;font-size:24px;color:var(--gold-light);
  }
  .hero-stats div span{font-size:12px;color:rgba(247,244,236,0.6);letter-spacing:0.03em;}
  
  .hero-card-geo {
    background: rgba(11,42,74,0.7);
    border: 1px solid rgba(201,162,75,0.4);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    backdrop-filter: blur(10px);
    text-align: center;
    position: relative;
  }

  /* ===== Section basics ===== */
  section{padding:96px 0;}
  .section-head{max-width:640px;margin-bottom:56px;}
  .section-head h2{font-size:clamp(28px,3.2vw,40px);margin-top:12px;}
  .section-head p{color:var(--ink-soft);margin-top:14px;font-size:16px;}
  .section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

  /* ===== Mot du Directeur ===== */
  .director-word{
    background: #fff;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 96px 0;
  }
  .director-container{
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    align-items: center;
  }
  .director-badge-box{
    background: var(--navy-deep);
    border: 1px solid var(--gold);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    color: var(--paper);
    box-shadow: 0 20px 40px rgba(11,42,74,0.15);
  }
  .director-quote{
    font-family: 'Playfair Display', serif;
    font-size: 19px;
    line-height: 1.7;
    color: var(--navy);
    font-style: italic;
    position: relative;
    margin-bottom: 24px;
  }
  .director-quote::before{
    content: "“";
    font-size: 60px;
    color: var(--gold);
    position: absolute;
    top: -30px;
    left: -20px;
    opacity: 0.4;
    font-family: serif;
  }
  .director-signature{
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: 18px;
    color: var(--navy);
  }
  .director-title-sub{
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 4px;
  }

  /* ===== Courses ===== */
  .courses{background:var(--paper);}
  .course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
  .course-card{
    background:#fff;border:1px solid var(--line);
    padding:0; overflow:hidden;
    display: flex; flex-direction: column;
    transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    position:relative;
  }
  .course-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px rgba(11,42,74,0.1);border-color:var(--gold);}
  
  .course-img-wrap{
    width:100%; height:160px; overflow:hidden; background:var(--navy-deep);
    position:relative;
  }
  .course-img-wrap img{
    width:100%; height:100%; object-fit:cover; transition:transform 0.4s ease;
  }
  .course-card:hover .course-img-wrap img{
    transform:scale(1.05);
  }

  .course-content{
    padding:24px 22px; display:flex; flex-direction:column; flex-grow:1;
  }
  .course-tag{
    font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:0.08em;
    color:var(--navy-mid);background:var(--paper-dim);
    display:inline-block;padding:4px 10px;margin-bottom:12px; align-self: flex-start;
  }
  .course-card h3{font-size:18px;margin-bottom:10px;}
  .course-card p{font-size:14px;color:var(--ink-soft);margin-bottom:18px; flex-grow:1;}
  .course-meta{
    display:flex;justify-content:space-between;font-size:12px;color:var(--navy-mid);
    border-top:1px solid var(--line);padding-top:14px;font-weight:600;
  }

  /* ===== Why us ===== */
  .why{background:var(--navy);color:var(--paper);}
  .why .section-head h2, .why .section-head p{color:var(--paper);}
  .why .section-head p{color:rgba(247,244,236,0.7);}
  .why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(231,206,148,0.15);}
  .why-item{background:var(--navy);padding:34px 26px;}
  .why-item .num{font-family:'JetBrains Mono',monospace;color:var(--gold);font-size:13px;margin-bottom:14px;display:block;}
  .why-item h3{color:var(--gold-light);font-size:17px;margin-bottom:10px;}
  .why-item p{color:rgba(247,244,236,0.68);font-size:14px;}

  /* ===== Pricing / Parcours ===== */
  .pricing{background:var(--paper-dim);}
  .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
  .price-card{background:#fff;border:1px solid var(--line);padding:36px 30px;display:flex;flex-direction:column;}
  .price-card.featured{border-color:var(--gold);box-shadow:0 20px 44px rgba(11,42,74,0.12);position:relative;}
  .price-card.featured::before{
    content:"POPULAIRE";position:absolute;top:-1px;right:-1px;
    background:var(--gold);color:var(--navy-deep);font-family:'JetBrains Mono',monospace;
    font-size:10px;letter-spacing:0.08em;padding:5px 12px;
  }
  .price-card h3{font-size:19px;margin-bottom:6px;}
  .price-card .price{font-family:'Playfair Display',serif;font-size:32px;color:var(--navy);margin:14px 0;}
  .price-card ul{margin:20px 0 26px;flex-grow:1;}
  .price-card li{font-size:14px;color:var(--ink-soft);padding:7px 0;border-top:1px solid var(--line);}
  .price-card li:first-child{border-top:none;}
  .price-note{font-size:13px;color:var(--ink-soft);margin-top:24px;text-align:center;}

  /* ===== Formulaire CTA ===== */
  .cta{
    background:linear-gradient(120deg, var(--navy-deep), var(--navy-mid));
    color:var(--paper);padding:100px 0;
  }
  .cta h2{color:var(--gold-light);font-size:clamp(26px,3.4vw,40px);margin-bottom:16px;}
  .cta p{color:rgba(247,244,236,0.75);max-width:520px;}

  /* ===== Footer ===== */
  footer{background:var(--navy-deep);color:rgba(247,244,236,0.65);padding:64px 0 28px;}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:50px;}
  .footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
  .footer-brand span{font-family:'Playfair Display',serif;color:var(--gold-light);font-size:18px;font-weight:700;}
  .footer-col h4{font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:0.08em;color:var(--gold);text-transform:uppercase;margin-bottom:16px;}
  .footer-col li{margin-bottom:10px;font-size:14px;}
  .footer-col a:hover{color:var(--gold-light);}
  .footer-bottom{
    border-top:1px solid rgba(231,206,148,0.12);padding-top:24px;
    display:flex;justify-content:space-between;font-size:12.5px;flex-wrap:wrap;gap:10px;
  }

  @media (max-width:900px){
    .hero-inner{grid-template-columns:1fr;text-align:center;}
    .hero p.lead{margin-left:auto;margin-right:auto;}
    .hero-ctas{justify-content:center;}
    .hero-stats{justify-content:center;flex-wrap:wrap;}
    .director-container{grid-template-columns:1fr;}
    .course-grid{grid-template-columns:repeat(2,1fr);}
    .why-grid{grid-template-columns:repeat(2,1fr);}
    .price-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;}
  }
  @media (max-width:640px)
  {
    .nav-links{
      position:absolute;top:100%;left:0;right:0;
      background:var(--navy-deep);
      flex-direction:column;align-items:flex-start;
      padding:20px 28px 28px;gap:18px;
      border-bottom:1px solid rgba(201,162,75,0.18);
      display:none;
    }
    .nav-links.open{display:flex;}
    .nav-toggle{display:block;}
    .course-grid{grid-template-columns:1fr;}
    .why-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;gap:30px;}
    .footer-bottom{flex-direction:column;}
}