/* NAV */

  /* HERO */
  .hero{min-height:55vh;padding:120px 60px 80px;position:relative;overflow:hidden;display:flex;align-items:flex-end;border-bottom:1px solid rgba(255,255,255,0.08);}
  .hero::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(201,168,76,0.07) 0%,transparent 60%);}
  .hero::after{content:'01';position:absolute;right:-10px;bottom:-60px;font-family:'DM Serif Display',serif;font-size:320px;color:rgba(255,255,255,0.025);line-height:1;pointer-events:none;}
  .hero-content{position:relative;z-index:2;max-width:780px;}
  .hero-tag{font-family:'DM Mono',monospace;font-size:10px;letter-spacing:4px;color:#C9A84C;text-transform:uppercase;margin-bottom:20px;display:flex;align-items:center;gap:12px;}
  .hero-tag::before{content:'';width:24px;height:1px;background:#C9A84C;}
  .hero-title{font-family:'DM Serif Display',serif;font-size:clamp(40px,4.5vw,64px);line-height:1.05;margin-bottom:24px;}
  .hero-title em{font-style:italic;color:#C9A84C;}
  .hero-subtitle{font-size:17px;line-height:1.7;color:rgba(240,244,255,0.5);max-width:600px;margin-bottom:32px;}
  .hero-profile{display:inline-flex;align-items:center;gap:12px;border:1px solid rgba(201,168,76,0.3);padding:12px 20px;font-family:'DM Mono',monospace;font-size:11px;letter-spacing:1.5px;color:#C9A84C;}
  .hero-profile::before{content:'👤';}

  /* PROGRESS BAR */
  .progress-nav{background:#0D1220;border-bottom:1px solid rgba(255,255,255,0.08);padding:0 60px;position:sticky;top:61px;z-index:50;display:flex;gap:0;overflow-x:auto;}
  .progress-item{font-family:'DM Mono',monospace;font-size:10px;letter-spacing:1.5px;text-transform:uppercase;padding:16px 24px;color:rgba(240,244,255,0.3);text-decoration:none;white-space:nowrap;border-bottom:2px solid transparent;transition:all 0.2s;display:flex;align-items:center;gap:8px;}
  .progress-item:hover{color:rgba(240,244,255,0.7);}
  .progress-item.active{color:#C9A84C;border-bottom-color:#C9A84C;}
  .progress-num{width:20px;height:20px;border:1px solid currentColor;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:9px;flex-shrink:0;}

  /* SECTIONS */
  .page-section{padding:80px 60px;border-bottom:1px solid rgba(255,255,255,0.06);}
  .page-section.alt{background:#0D1220;}
  .sec-label{font-family:'DM Mono',monospace;font-size:10px;letter-spacing:4px;color:#C9A84C;text-transform:uppercase;margin-bottom:16px;display:flex;align-items:center;gap:12px;}
  .sec-label::before{content:'';width:20px;height:1px;background:#C9A84C;}
  .sec-title{font-family:'DM Serif Display',serif;font-size:clamp(28px,3vw,42px);margin-bottom:16px;}
  .sec-desc{font-size:15px;line-height:1.7;color:rgba(240,244,255,0.5);max-width:640px;margin-bottom:48px;}

  /* SITUATION DE DÉPART */
  .situation-block{border:1px solid rgba(201,168,76,0.25);padding:32px;background:rgba(201,168,76,0.04);margin-bottom:48px;}
  .situation-title{font-family:'DM Mono',monospace;font-size:10px;letter-spacing:3px;text-transform:uppercase;color:#C9A84C;margin-bottom:20px;}
  .situation-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
  .situation-col-title{font-size:13px;font-weight:500;margin-bottom:12px;color:rgba(240,244,255,0.7);}
  .situation-item{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(240,244,255,0.6);margin-bottom:8px;font-family:'DM Mono',monospace;font-size:12px;}
  .situation-item.have::before{content:'✅';flex-shrink:0;}
  .situation-item.need::before{content:'⬜';flex-shrink:0;}

  /* SÉQUENCE */
  .sequence{display:flex;flex-direction:column;gap:0;}
  .seq-step{display:grid;grid-template-columns:80px 1fr;gap:0;border:1px solid rgba(255,255,255,0.08);border-bottom:none;position:relative;transition:background 0.3s;}
  .seq-step:last-child{border-bottom:1px solid rgba(255,255,255,0.08);}
  .seq-step:hover{background:rgba(255,255,255,0.02);}
  .seq-step.done{background:rgba(27,94,32,0.05);border-color:rgba(67,160,71,0.15);}
  .seq-step.current{background:rgba(201,168,76,0.05);border-color:rgba(201,168,76,0.2);}
  .seq-num{padding:32px 24px;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;border-right:1px solid rgba(255,255,255,0.08);gap:12px;}
  .seq-number{font-family:'DM Serif Display',serif;font-size:32px;color:rgba(255,255,255,0.15);}
  .seq-step.done .seq-number{color:#43A047;}
  .seq-step.current .seq-number{color:#C9A84C;}
  .seq-connector{width:1px;height:32px;background:rgba(255,255,255,0.08);margin-top:8px;}
  .seq-body{padding:32px;}
  .seq-status{font-family:'DM Mono',monospace;font-size:9px;letter-spacing:2px;text-transform:uppercase;margin-bottom:10px;}
  .seq-step.done .seq-status{color:#43A047;}
  .seq-step.current .seq-status{color:#C9A84C;}
  .seq-step:not(.done):not(.current) .seq-status{color:rgba(240,244,255,0.25);}
  .seq-title{font-size:18px;font-weight:500;margin-bottom:8px;}
  .seq-desc{font-size:14px;line-height:1.6;color:rgba(240,244,255,0.55);margin-bottom:16px;}
  .seq-actions{display:flex;flex-wrap:wrap;gap:8px;}
  .seq-action{font-family:'DM Mono',monospace;font-size:10px;letter-spacing:1px;padding:6px 14px;border:1px solid rgba(255,255,255,0.1);color:rgba(240,244,255,0.5);text-transform:uppercase;}
  .seq-step.done .seq-action{border-color:rgba(67,160,71,0.3);color:#43A047;}
  .seq-step.current .seq-action{border-color:rgba(201,168,76,0.4);color:#C9A84C;}
  .seq-brique{display:inline-flex;align-items:center;gap:6px;font-family:'DM Mono',monospace;font-size:10px;padding:4px 10px;border-radius:2px;margin-bottom:12px;}

  /* DÉTAIL PAR BRIQUE */
  .brique-detail{display:flex;flex-direction:column;gap:24px;}
  .detail-card{border:1px solid rgba(255,255,255,0.08);overflow:hidden;transition:all 0.3s;}
  .detail-card:hover{border-color:rgba(255,255,255,0.15);}
  .detail-header{display:flex;align-items:center;gap:20px;padding:28px 32px;cursor:pointer;user-select:none;}
  .detail-letter{font-family:'DM Serif Display',serif;font-size:40px;line-height:1;width:52px;flex-shrink:0;}
  .detail-header-info{flex:1;}
  .detail-name{font-size:16px;font-weight:500;margin-bottom:4px;}
  .detail-sub{font-family:'DM Mono',monospace;font-size:10px;letter-spacing:1px;color:rgba(240,244,255,0.4);}
  .detail-chevron{font-size:12px;color:rgba(240,244,255,0.3);transition:transform 0.3s;flex-shrink:0;}
  .detail-card.open .detail-chevron{transform:rotate(180deg);}
  .detail-body{display:none;padding:0 32px 32px;border-top:1px solid rgba(255,255,255,0.06);}
  .detail-card.open .detail-body{display:block;}
  .detail-section-title{font-family:'DM Mono',monospace;font-size:10px;letter-spacing:2px;text-transform:uppercase;color:rgba(240,244,255,0.35);margin:24px 0 12px;}
  .detail-steps{display:flex;flex-direction:column;gap:10px;}
  .detail-step{display:flex;align-items:flex-start;gap:12px;font-size:14px;line-height:1.6;color:rgba(240,244,255,0.65);}
  .detail-step-num{font-family:'DM Mono',monospace;font-size:11px;color:inherit;flex-shrink:0;opacity:0.5;margin-top:2px;}
  .detail-products{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:4px;}
  .detail-product{border:1px solid rgba(255,255,255,0.08);padding:14px 16px;background:#080C14;}
  .detail-product-name{font-size:13px;font-weight:500;margin-bottom:4px;}
  .detail-product-desc{font-family:'DM Mono',monospace;font-size:10px;color:rgba(240,244,255,0.4);line-height:1.5;}
  .detail-warning{background:rgba(201,168,76,0.06);border:1px solid rgba(201,168,76,0.2);padding:16px 20px;font-size:13px;line-height:1.6;color:rgba(240,244,255,0.6);margin-top:16px;}
  .detail-warning::before{content:'⚠️  ';font-size:14px;}

  /* CHECKLIST */
  .checklist{display:flex;flex-direction:column;gap:8px;}
  .check-item{display:flex;align-items:flex-start;gap:14px;padding:16px 20px;border:1px solid rgba(255,255,255,0.07);background:#080C14;font-size:14px;line-height:1.5;color:rgba(240,244,255,0.7);transition:background 0.2s;}
  .check-item:hover{background:rgba(255,255,255,0.02);}
  .check-box{width:18px;height:18px;border:1px solid rgba(255,255,255,0.2);flex-shrink:0;margin-top:2px;}
  .check-label{flex:1;}
  .check-brique{font-family:'DM Mono',monospace;font-size:9px;letter-spacing:1px;padding:2px 8px;border-radius:2px;flex-shrink:0;margin-top:3px;}

  /* CTA FINAL */
  .cta-block{background:linear-gradient(135deg,rgba(201,168,76,0.06) 0%,transparent 60%);border:1px solid rgba(201,168,76,0.2);padding:48px;text-align:center;}
  .cta-title{font-family:'DM Serif Display',serif;font-size:36px;margin-bottom:16px;}
  .cta-desc{font-size:15px;line-height:1.7;color:rgba(240,244,255,0.5);max-width:480px;margin:0 auto 32px;}
  .cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
  .btn-primary{font-family:'DM Mono',monospace;font-size:12px;letter-spacing:2px;text-transform:uppercase;color:#080C14;background:#C9A84C;padding:16px 32px;text-decoration:none;transition:all 0.3s;display:inline-block;}
  .btn-primary:hover{background:#E8C96A;transform:translateY(-2px);}
  .btn-ghost{font-family:'DM Mono',monospace;font-size:12px;letter-spacing:2px;text-transform:uppercase;color:rgba(240,244,255,0.5);text-decoration:none;padding:16px 32px;border:1px solid rgba(255,255,255,0.1);transition:all 0.3s;}
  .btn-ghost:hover{border-color:rgba(255,255,255,0.3);color:#F0F4FF;}

  /* FOOTER */
  footer{padding:32px 60px;border-top:1px solid rgba(255,255,255,0.06);display:flex;align-items:center;justify-content:space-between;}
  .footer-logo{font-family:'DM Mono',monospace;font-size:12px;letter-spacing:4px;color:#C9A84C;text-transform:uppercase;}
  .footer-copy{font-family:'DM Mono',monospace;font-size:10px;letter-spacing:1px;color:rgba(240,244,255,0.2);}


  /* MOBILE */
    .hero{padding:100px 20px 60px;min-height:auto;}
    .page-section{padding:48px 20px;}
    .progress-nav{padding:0 20px;}
    .progress-item{padding:12px 16px;font-size:9px;}
    .situation-grid{grid-template-columns:1fr;}
    .seq-step{grid-template-columns:56px 1fr;}
    .seq-body{padding:20px;}
    .seq-num{padding:20px 12px;}
    .detail-products{grid-template-columns:1fr;}
    .detail-header{padding:20px;}
    .detail-body{padding:0 20px 20px;}
    .cta-block{padding:32px 20px;}
    .cta-actions{flex-direction:column;align-items:center;}
    footer{flex-direction:column;gap:12px;padding:24px 20px;text-align:center;}
  }