:root{
    --purple:#543999;--cyan:#24B6E3;--ink:#1c1533;--muted:#5a5470;
    --line:#ece8f6;--card-border:#e6e1f2;--bg:#ffffff;--bg-soft:#f7f5fc;--field-bg:#f3f6fb;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
  .wrap{max-width:1120px;margin:0 auto;padding:0 24px}
  h1,h2,h3{font-weight:800;line-height:1.15;letter-spacing:-.02em}
  .grad{background:linear-gradient(90deg,var(--purple),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}

  header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
  .nav{display:flex;align-items:center;justify-content:space-between;height:66px}
  .logo-img{height:30px;width:auto;display:block}
  .btn{display:inline-block;font-weight:700;font-size:15px;padding:12px 22px;border-radius:999px;border:0;cursor:pointer;background:linear-gradient(90deg,var(--purple),var(--cyan));color:#fff;text-decoration:none;transition:transform .2s,box-shadow .2s}
  .btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(84,57,153,.28)}
  .btn-ghost{background:#fff;color:var(--purple);border:1.5px solid var(--card-border)}
  .btn-ghost:hover{border-color:#cfc8e8;box-shadow:0 12px 28px rgba(84,57,153,.12)}

  /* Hero */
  .hero{position:relative;padding:96px 0 104px;overflow:hidden}
  .hero-bg{position:absolute;inset:0;z-index:0;background-image:url('/assets/evento-ailet-mexico/hero-bg.jpg');background-size:cover;background-position:center}
  .hero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(120deg,rgba(84,57,153,.95) 0%,rgba(84,57,153,.84) 44%,rgba(36,182,227,.72) 100%)}
  .hero .wrap{position:relative;z-index:2}
  .kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);padding:7px 14px;border-radius:999px;margin-bottom:22px}
  .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);display:inline-block}
  .hero h1{font-size:clamp(32px,5.2vw,52px);margin-bottom:20px;max-width:24ch;color:#fff}
  .hero h1 .grad{background:linear-gradient(90deg,#fff,#8fe3ff);-webkit-background-clip:text;background-clip:text;color:transparent}
  .hero p.lead{font-size:clamp(17px,2.1vw,20px);color:rgba(255,255,255,.92);max-width:62ch;margin-bottom:32px}
  .hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
  .hero .btn{background:#fff;color:var(--purple)}
  .hero .btn:hover{box-shadow:0 12px 28px rgba(0,0,0,.28)}
  .hero .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
  .hero .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.12);box-shadow:none}
  .hero-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:38px}
  .hero-meta .item{display:flex;align-items:center;gap:10px;font-size:15px;color:#fff;font-weight:600}
  .hero-meta svg{flex:none;stroke:#fff}
  .venue-line{color:rgba(255,255,255,.85);font-size:14px;margin-top:16px}

  section{padding:72px 0}
  .section-head{max-width:64ch;margin-bottom:44px}
  .section-head .eyebrow{color:var(--cyan);font-weight:700;font-size:14px;text-transform:uppercase;letter-spacing:.1em;margin-bottom:12px}
  .section-head h2{font-size:clamp(26px,3.6vw,38px);margin-bottom:14px}
  .section-head p{font-size:17px;color:var(--muted)}
  .bg-soft{background:var(--bg-soft)}

  .grid{display:grid;gap:22px}
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .card{position:relative;background:#fff;border:1px solid var(--card-border);border-radius:16px;padding:30px 26px;overflow:hidden;transition:transform .25s cubic-bezier(.22,.61,.36,1),box-shadow .25s,border-color .25s}
  .card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--purple),var(--cyan),var(--purple),var(--cyan),var(--purple));background-size:300% 100%;animation:flow 7s linear infinite}
  @keyframes flow{0%{background-position:0% 0}100%{background-position:300% 0}}
  .card:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(84,57,153,.16);border-color:#cfc8e8}
  .card .ico{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:#efe9fb;margin-bottom:18px}
  .card h3{font-size:19px;margin-bottom:10px}
  .card p{font-size:15px;color:var(--muted)}

  .reveal{opacity:0;transform:translateY(34px)}
  .reveal.in{opacity:1;transform:none;transition:opacity .6s cubic-bezier(.22,.61,.36,1),transform .6s cubic-bezier(.22,.61,.36,1)}

  /* Speakers */
  .speakers-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
  .speaker{text-align:center}
  .speaker .ph{width:160px;height:160px;border-radius:50%;margin:0 auto 18px;overflow:hidden;box-shadow:0 10px 26px rgba(84,57,153,.14)}
  .speaker .ph img{width:100%;height:100%;object-fit:cover;display:block}
  .speaker h3{font-size:20px;margin-bottom:4px}
  .speaker .role{color:var(--purple);font-weight:600;font-size:14px}

  /* Topics */
  .topics{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:8px}
  .topic{position:relative;display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--card-border);border-radius:14px;padding:20px 22px}
  .topic .n{flex:none;width:30px;height:30px;border-radius:8px;font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center;color:#fff;background:linear-gradient(135deg,var(--purple),var(--cyan))}
  .topic-body{flex:1;padding-right:34px}
  .topic h3{font-size:16px;margin-bottom:4px}
  .topic p{font-size:14px;color:var(--muted)}
  .topic-toggle{position:absolute;top:16px;right:16px;width:28px;height:28px;border-radius:8px;background:#efe9fb;border:0;cursor:pointer;color:var(--purple);font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;transition:transform .25s,background .2s}
  .topic-toggle:hover{background:#e3d9f7}
  .topic-toggle[aria-expanded="true"]{transform:rotate(45deg)}
  .topic-extra{max-height:0;overflow:hidden;transition:max-height .35s ease,margin .35s ease;font-size:14px;color:var(--muted)}
  .topic-extra.open{max-height:260px;margin-top:10px}

  /* Format + video */
  .format-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center}
  .fmt .eyebrow{color:var(--cyan);font-weight:700;font-size:14px;text-transform:uppercase;letter-spacing:.1em;margin-bottom:12px}
  .fmt h2{font-size:clamp(26px,3.6vw,38px);margin-bottom:14px}
  .fmt p{font-size:17px;color:var(--muted);margin-bottom:26px}
  .format-media{position:relative}
  .format-media video{width:100%;border-radius:18px;display:block;border:1px solid var(--card-border);box-shadow:0 20px 44px rgba(84,57,153,.16)}
  .vid-toggle{position:absolute;bottom:16px;left:16px;width:44px;height:44px;border-radius:50%;border:0;cursor:pointer;background:rgba(28,21,51,.55);backdrop-filter:blur(6px);color:#fff;display:flex;align-items:center;justify-content:center;transition:background .2s,transform .2s}
  .vid-toggle:hover{background:rgba(28,21,51,.82);transform:scale(1.05)}
  .vid-toggle svg{width:18px;height:18px;fill:#fff}

  /* Location highlight block */
  .loc-section{position:relative;z-index:5;margin-top:-112px}
  .loc-card{background:linear-gradient(120deg,#6a4fc0,#8163cf);border-radius:18px;padding:26px 30px;color:#fff;display:flex;flex-wrap:wrap;align-items:center;gap:22px 40px;box-shadow:0 22px 50px rgba(84,57,153,.28)}
  .loc-item{display:flex;align-items:flex-start;gap:14px;flex:1;min-width:240px}
  .loc-item svg{flex:none;stroke:#fff;margin-top:2px}
  .loc-label{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:rgba(255,255,255,.75);font-weight:700;margin-bottom:4px}
  .loc-value{display:block;font-size:16px;font-weight:600;line-height:1.4}
  .loc-divider{width:1px;align-self:stretch;background:rgba(255,255,255,.28)}
  .loc-maps{display:inline-block;margin-top:8px;font-size:13px;font-weight:700;color:#fff;text-decoration:underline;text-underline-offset:3px}

  /* Form */
  .form-section{background:var(--bg-soft)}
  .form-wrap{max-width:820px;margin:0 auto;background:#fff;border:1px solid var(--card-border);border-radius:20px;padding:clamp(30px,4vw,48px);position:relative;overflow:hidden}
  .form-wrap::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--purple),var(--cyan),var(--purple),var(--cyan),var(--purple));background-size:300% 100%;animation:flow 7s linear infinite}
  .hs-fallback{margin-top:18px;font-size:13px;color:var(--muted);text-align:center}
  .hs-fallback a{color:var(--purple);font-weight:600}
  /* HubSpot form skin */
  .form-wrap .hs-form-field{margin-bottom:18px}
  .form-wrap .hs-form-field>label{display:block;font-size:15px;font-weight:600;color:var(--ink);margin-bottom:8px}
  .form-wrap .hs-input{width:100%!important;font-family:'Inter',sans-serif;font-size:15px;padding:14px 16px;border:1px solid #e3e8f0;border-radius:10px;background:var(--field-bg);color:var(--ink);transition:border-color .2s,box-shadow .2s,background .2s}
  .form-wrap .hs-input:focus{outline:none;border-color:var(--purple);background:#fff;box-shadow:0 0 0 3px rgba(84,57,153,.12)}
  .form-wrap textarea.hs-input{min-height:120px;resize:vertical}
  .form-wrap select.hs-input{height:50px}
  .form-wrap .hs-form fieldset{max-width:none!important;margin-bottom:0}
  .form-wrap .hs-form fieldset .input{margin-right:0!important}
  .form-wrap .hs-button{margin-top:8px;font-weight:700;font-size:16px;padding:15px 42px;border-radius:12px;border:0;cursor:pointer;color:#fff;background:linear-gradient(90deg,var(--purple),var(--cyan));transition:transform .2s,box-shadow .2s}
  .form-wrap .hs-button:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(84,57,153,.28)}
  .form-wrap .hs-error-msgs{list-style:none;color:#e3495b;font-size:13px;margin:6px 0 0;padding:0}
  .form-wrap .legal-consent-container,.form-wrap .hs-richtext{font-size:13px;color:var(--muted);line-height:1.6}
  .form-wrap .legal-consent-container a{color:var(--purple);font-weight:600}
  /* Visible preview form (replaced by HubSpot on publish) */
  .pf-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px 28px}
  .pf-field{display:flex;flex-direction:column;gap:8px}
  .pf-field.full{grid-column:1/-1}
  .pf-field label{font-size:15px;font-weight:600;color:var(--ink)}
  .pf-field label .req{color:#e3495b}
  .pf-input{font-family:inherit;font-size:15px;padding:14px 16px;border:1px solid #e3e8f0;border-radius:10px;background:var(--field-bg);color:var(--ink);transition:border-color .2s,box-shadow .2s,background .2s}
  .pf-input:focus{outline:none;border-color:var(--purple);background:#fff;box-shadow:0 0 0 3px rgba(84,57,153,.12)}
  .pf-privacy{grid-column:1/-1;font-size:13px;color:var(--muted);line-height:1.6}
  .pf-privacy a{color:var(--purple);font-weight:600}
  .pf-btn{margin-top:22px;font-weight:700;font-size:16px;padding:15px 42px;border-radius:12px;border:0;background:linear-gradient(90deg,var(--purple),var(--cyan));color:#fff;cursor:pointer;transition:transform .2s,box-shadow .2s}
  .pf-btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(84,57,153,.28)}
  .pf-note{font-size:12px;color:#9a94ab;margin-top:12px}

  footer{padding:44px 0;border-top:1px solid var(--line);text-align:center}
  footer .logo-img{height:26px;margin:0 auto 14px}
  footer p{font-size:14px;color:var(--muted)}

  @media (max-width:820px){
    .grid-3,.topics,.form-grid,.speakers-grid,.pf-grid{grid-template-columns:1fr}
    .loc-section{margin-top:-44px}
    .loc-card{flex-direction:column;align-items:flex-start;gap:20px}
    .loc-divider{display:none}
    .nav .btn{display:none}
    .hero .kicker{display:none}
    .hero .btn-ghost{display:none}
    .hero p.lead{font-size:15px}
    section{padding:56px 0}
    .hero{padding:56px 0 96px}
    .speakers-grid{max-width:320px;margin:0 auto}
  }
  @media (prefers-reduced-motion:reduce){
    .card::before,.form-wrap::before{animation:none}
    html{scroll-behavior:auto}
  }