:root{
    --bg:#FAF6EF;--ink:#1E2129;--ink-soft:#3A3F4B;
    --line:rgba(30,33,41,.08);--line-strong:rgba(30,33,41,.14);
    --agora:#6366F1;--agora-soft:#ECEBFF;
    --ulyss:#00A2DC;
    --shadow:0 14px 40px rgba(30,33,41,.07);
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{font-family:'Poppins',-apple-system,sans-serif;background:var(--bg);color:var(--ink);line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
  h1,h2,h3{font-family:'Poppins',sans-serif;font-weight:700;letter-spacing:-0.025em;line-height:1.05}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
  img,svg{display:block;max-width:100%}
  .container{max-width:1240px;margin:0 auto;padding:0 28px}

  /* === NAV (mega menu identique à studio.html) === */
  nav{position:sticky;top:14px;z-index:50;margin:14px auto 0;max-width:1240px;padding:0 28px}

  /* ===== HERO "Dites bonjour à Ulyss" ===== */
  .hero-ulyss{padding:30px 0 30px;text-align:center;position:relative}

  /* Prompt card hero */
  .prompt-frame{margin:40px auto 0;
    background:linear-gradient(120deg,#D8F5EF 0%,#E3E3FE 50%,#F1DCFA 100%);
    border-radius:34px;padding:60px 60px 80px;
    position:relative;overflow:hidden;
  }
  .prompt-frame::before{
    content:"";position:absolute;inset:0;
    background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.5),transparent 50%);
    pointer-events:none;border-radius:34px;
  }
  .prompt-title{
    font-family:'Poppins';font-size:clamp(36px,4.4vw,58px);
    background:linear-gradient(135deg,#4F52D9 0%,#00A2DC 55%,#3D2BAA 100%);
    -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
    font-weight:800;text-align:center;margin-bottom:40px;letter-spacing:-.02em;
    line-height:1.2;padding-bottom:.15em;
  }
  .prompt-pills{display:flex;justify-content:center;gap:10px;margin-bottom:24px}
  .prompt-pill{padding:9px 18px;font-size:14px;font-weight:600;color:var(--ink-soft);background:#fff;border:1px solid var(--line);border-radius:999px;display:inline-flex;align-items:center;gap:8px}
  .prompt-pill.on{border:1.5px solid var(--ulyss);color:var(--ulyss);background:#fff}
  /* MOBILE — hide the icon inside each pill, keep the label only, and make everything more compact */
  @media (max-width:760px){
    .prompt-frame{padding:36px 18px 60px;border-radius:26px;margin-top:20px}
    .prompt-title{font-size:30px;line-height:1.15;margin-bottom:26px;letter-spacing:-.02em}
    .prompt-pills{gap:8px;margin-bottom:20px;flex-wrap:nowrap;justify-content:center}
    .prompt-pill svg{display:none}
    .prompt-pill{gap:0;padding:8px 14px;font-size:13px;white-space:nowrap}
  }
  @media (max-width:420px){
    .prompt-frame{padding:28px 14px 60px}
    .prompt-title{font-size:26px}
    .prompt-pill{padding:7px 12px;font-size:12.5px}
  }
  .prompt-box{
    background:#fff;border:2px solid var(--ulyss);border-radius:22px;position:relative;
    box-shadow:0 20px 50px rgba(30,33,41,.08);
  }
  .prompt-text{font-size:16px;color:var(--ink)}
  .prompt-actions{display:flex;align-items:center}
  .send-btns{display:flex;gap:8px}
  .send-btn{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;cursor:pointer}
  .send-btn{background:#6366F1;color:#fff}
  /* Mobile : espace sous le champ, repris tel quel de la maquette (le rendu en dépend) */

  .try-cta{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,#6366F1,#4F52D9);color:#fff;padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px;box-shadow:0 12px 30px rgba(99,102,241,.4)}
  .try-cta:hover{transform:translateY(-1px)}

  /* ===== Split block ===== */
  .block{padding:110px 0;position:relative}
  .split{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
  .split h2{font-size:clamp(36px,4vw,52px);margin-bottom:24px}
  .split p{font-size:17px;color:var(--ink-soft);line-height:1.7;margin-bottom:16px}
  .split p b{color:var(--ink);font-weight:600}
  @media (max-width:980px){.split{grid-template-columns:1fr;gap:40px}}

  /* Mock safety — templates row + prompt */
  .mock-safety{
    position:relative;background:#F4F4FF;border-radius:30px;padding:30px;height:460px;overflow:hidden;box-shadow:var(--shadow);
  }

  /* Features grid 17 cards */
  .features-block{padding:100px 0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .features-block .head{text-align:center;margin-bottom:60px}
  .features-block h2{font-size:clamp(36px,4vw,52px);margin-bottom:14px}
  .features-block .head p{color:var(--ink-soft);font-size:17px;max-width:640px;margin:0 auto}
  .feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px 38px;max-width:1180px;margin:0 auto}
  .feat{display:flex;gap:14px;align-items:flex-start}
  .feat-ico{width:42px;height:42px;border-radius:10px;background:var(--bg);display:grid;place-items:center;flex-shrink:0;color:var(--ink)}
  .feat-body h3{font-size:15.5px;margin-bottom:6px;font-family:'Poppins';font-weight:700}
  .feat-body p{font-size:13.5px;color:var(--ink-soft);line-height:1.55}
  @media (max-width:1100px){.feat-grid{grid-template-columns:repeat(2,1fr)}}
  @media (max-width:640px){.feat-grid{grid-template-columns:1fr}}
  /* MOBILE — keep the section header, but tighten it and left-align to match the card list */
  @media (max-width:760px){
    .features-block{padding:60px 0}
    .features-block .head{text-align:left;margin-bottom:32px;padding:0 4px}
    .features-block h2{font-size:28px;line-height:1.15;margin-bottom:10px}
    .features-block .head p{font-size:15px;line-height:1.5;max-width:none;margin:0}
  }

  /* FAQ */
  .faq-block{padding:110px 0}
  .faq-block h2{text-align:center;font-size:clamp(36px,4vw,52px);margin-bottom:50px}
  .faq{max-width:820px;margin:0 auto}
  .faq-item{border-top:1px solid var(--line);padding:24px 0}
  .faq-item:last-child{border-bottom:1px solid var(--line)}
  .faq-q{display:flex;align-items:center;justify-content:space-between;cursor:pointer;font-family:'Poppins';font-size:17px;font-weight:700}
  .faq-q .caret-q{width:14px;height:14px;color:var(--ink);transition:transform .2s}
  .faq-item.on .caret-q{transform:rotate(180deg)}
  .faq-a{font-size:15px;color:var(--ink-soft);line-height:1.7;margin-top:0;max-height:0;overflow:hidden;transition:max-height .35s ease,margin-top .25s ease}
  .faq-item.on .faq-a{max-height:600px;margin-top:14px}

  /* CTA stripe */
  .cta-stripe{padding:90px 0;text-align:center}
  .cta-stripe h2{font-size:clamp(36px,4vw,54px);margin-bottom:16px}
  .cta-stripe p{font-size:17px;color:var(--ink-soft);max-width:560px;margin:0 auto 30px}

  /* SVG icons custom for personas */

  .prompt-frame{max-width:none}
  .prompt-actions{justify-content:flex-end}

  /* Champ du héros : une ligne, hauteur d'input (padding haut conservé, reporté en bas) */
  .prompt-box{display:flex;align-items:center;gap:14px;padding:20px 22px;margin-bottom:0}
  .prompt-text{flex:1;min-width:0;margin:0;text-align:left;line-height:1.5}
  .prompt-actions{flex:none}
  .tw-caret{display:inline-block;width:2px;height:1.15em;margin-left:1px;vertical-align:-.2em;background:var(--ulyss);animation:tw-blink 1s steps(1) infinite}
  .tw-ghost{color:transparent}
  @keyframes tw-blink{50%{opacity:0}}
  @media (prefers-reduced-motion:reduce){.tw-caret{animation:none}}
  @media (max-width:760px){.prompt-box{padding:16px 18px;margin-bottom:0}.prompt-text{margin:0}}
  @media (max-width:420px){.prompt-box{margin-bottom:0}}

.safety-pillars{
    margin:44px auto 0;max-width:1180px;padding:20px 28px;
    background:linear-gradient(90deg,rgba(235,235,255,.85),rgba(230,240,255,.55) 45%,rgba(230,225,255,.85));
    border:1px solid rgba(99,102,241,.14);border-radius:20px;
    display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:center;
    box-shadow:0 12px 28px -12px rgba(99,102,241,.20);
  }
  .safety-pillars .sp-item{display:flex;align-items:center;gap:14px}
  .safety-pillars .sp-ic{
    width:44px;height:44px;border-radius:12px;flex:none;
    background:#fff;color:#4F52D9;display:grid;place-items:center;
    box-shadow:0 4px 10px rgba(99,102,241,.14);
  }
  .safety-pillars .sp-txt{display:flex;flex-direction:column;line-height:1.3}
  .safety-pillars .sp-txt b{font-family:'Poppins',sans-serif;font-weight:800;font-size:14px;color:#1E2129;letter-spacing:-.01em}
  .safety-pillars .sp-txt span{font-size:13.5px;color:#3A3F4B;font-weight:500}
  @media(max-width:900px){
    .safety-pillars{grid-template-columns:repeat(2,1fr);padding:18px 20px;margin-top:30px}
  }
  @media(max-width:520px){
    .safety-pillars{grid-template-columns:1fr}
  }