/* ===== WELCOME INTRO (full-screen, first visit only) ===== */
  .welcome-intro{
    position:fixed;inset:0;z-index:400;
    background:
      radial-gradient(ellipse 60% 50% at 15% 10%, rgba(90,140,255,.18), transparent 60%),
      radial-gradient(ellipse 50% 50% at 90% 85%, rgba(168,112,255,.18), transparent 60%),
      #05060f;
    display:flex;align-items:center;justify-content:center;
    padding:24px;
    opacity:1;transition:opacity .6s ease;
  }
  .welcome-intro.fading{opacity:0;}
  .welcome-intro.hidden{display:none;}
  .welcome-card{
    position:relative;width:100%;max-width:680px;max-height:94vh;overflow:auto;
    border-radius:24px;border:1px solid rgba(138,124,255,.3);
    background:rgba(10,13,32,.6);backdrop-filter:blur(10px);
    box-shadow:0 30px 80px rgba(0,0,0,.6), 0 0 60px rgba(107,92,248,.15);
    padding:0;
    display:flex;flex-direction:column;
  }
  .wi-topbar{
    display:flex;align-items:center;justify-content:space-between;flex-shrink:0;
    padding:clamp(12px,2.2vh,22px) clamp(18px,4vw,28px);
    border-bottom:1px solid rgba(255,255,255,.06);
  }
  .wi-logo{font-size:18px;font-weight:800;color:#fff;font-family:'Baloo 2',sans-serif;}
  .wi-logo span{color:var(--blue2);}
  .wi-pill{
    font-size:10.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
    color:#b9c6ff;background:rgba(138,124,255,.15);border:1px solid rgba(138,124,255,.3);
    padding:5px 12px;border-radius:999px;
  }
  .wi-body{padding:clamp(16px,2.8vh,28px) clamp(18px,4vw,28px);min-height:0;}
  .wi-eyebrow{
    display:flex;align-items:center;gap:8px;
    font-size:11.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
    color:#9fb0ff;margin-bottom:clamp(8px,1.4vh,14px);
  }
  .wi-body h2{font-size:clamp(20px,3.4vh,26px);font-weight:800;color:#fff;margin-bottom:clamp(5px,1vh,10px);font-family:'Baloo 2',sans-serif;}
  .wi-body > p, .wi-head > p{color:var(--text-muted);font-size:14px;margin-bottom:clamp(10px,2.2vh,22px);font-family:'Nunito',sans-serif;}
  /* Vertical (9:16) welcome video. On wide screens the copy sits beside it; on phones it stacks under the heading. */
  .wi-video-frame{
    position:relative;height:clamp(250px,46vh,520px);width:auto;max-width:100%;aspect-ratio:9/16;
    margin:0 auto clamp(10px,2.2vh,22px);border-radius:20px;overflow:hidden;
    background:linear-gradient(160deg,#131a3a,#0c1030);
    border:1px solid rgba(255,255,255,.1);box-shadow:0 18px 44px rgba(0,0,0,.45),0 0 40px rgba(107,92,248,.14);
  }
  @media(min-width:761px){
    .welcome-card{max-width:880px;}
    .wi-body{display:grid;grid-template-columns:minmax(0,1fr) auto;column-gap:clamp(24px,4vw,48px);align-items:center;}
    .wi-body > .wi-copy{grid-column:1;}
    .wi-body > .wi-video-frame{grid-column:2;height:clamp(300px,64vh,580px);margin:0;}
    .wi-body > .wi-footer{grid-column:1 / -1;margin-top:clamp(14px,2.4vh,24px);}
    .wi-body h2{font-size:clamp(24px,3.6vh,32px);}
  }
  @media(max-width:760px){
    .wi-body{display:flex;flex-direction:column;}
    .wi-copy{display:contents;}
    .wi-head{order:1;}
    .wi-video-frame{order:2;}
    .wi-tail{order:3;}
    .wi-footer{order:4;}
  }
  .wi-video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:none;}
  .wi-play-overlay{
    position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
    cursor:pointer;background:rgba(5,7,20,.25);
  }
  .wi-play-btn{
    width:clamp(48px,8vh,68px);height:clamp(48px,8vh,68px);border-radius:50%;
    background:linear-gradient(135deg,#3b6bf5,#6a5cf8);
    display:flex;align-items:center;justify-content:center;color:#fff;font-size:clamp(18px,2.6vh,24px);
    box-shadow:0 0 0 0 rgba(107,92,248,.5), 0 14px 34px rgba(0,0,0,.4);
    transition:transform .2s ease;
    position:relative;
  }
  /* The expanding ring is a separate layer that grows and fades (scale and opacity only), instead of animating box-shadow on every frame. */
  .wi-play-btn::after{
    content:'';position:absolute;inset:0;border-radius:50%;pointer-events:none;opacity:0;
    background:radial-gradient(circle,transparent 62%,rgba(107,92,248,.5) 64%);
    animation:wi-ring 2.4s ease-in-out infinite;
  }
  .wi-play-overlay:hover .wi-play-btn{transform:scale(1.08);}
  @keyframes wi-ring{0%{opacity:.9;scale:1;}70%{opacity:0;scale:1.5;}100%{opacity:0;scale:1.5;}}
  .wi-play-overlay .wi-vid-title{color:#fff;font-weight:700;font-size:clamp(13px,2vh,16px);font-family:'Baloo 2',sans-serif;}
  .wi-play-overlay .wi-vid-sub{color:var(--text-muted);font-size:clamp(11px,1.6vh,12.5px);font-family:'Nunito',sans-serif;}
  .wi-quote{
    color:#e4e7f8;font-size:14px;font-style:italic;line-height:1.45;margin-bottom:clamp(10px,2vh,18px);
    font-family:'Nunito',sans-serif;
  }
  .wi-checks{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:clamp(10px,2vh,20px);}
  .wi-checks .wc-item{display:flex;align-items:center;gap:7px;font-size:13px;color:#d7dbf0;font-family:'Nunito',sans-serif;}
  .wi-checks .wc-ic{color:#8aa5ff;font-size:14px;}
  .wi-footer{
    display:flex;align-items:center;justify-content:space-between;
    border-top:1px solid rgba(255,255,255,.08);padding-top:clamp(10px,1.8vh,18px);
  }
  .wi-footer .wf-label{font-size:13px;color:var(--text-muted);font-family:'Nunito',sans-serif;}
  .wi-skip{
    background:none;border:none;color:#fff;font-weight:700;font-size:14px;cursor:pointer;
    display:inline-flex;align-items:center;gap:6px;font-family:'Baloo 2',sans-serif;
    transition:color .2s ease;
  }
  .wi-skip:hover{color:#9fb0ff;}

  @media(max-width:560px){
    .wi-body h2{font-size:clamp(19px,4vh,21px);}
    .wi-checks{gap:12px;}
  }