:root{
    --celeste:#1a6dc4;
    --celeste-deep:#1a5ea8;
    --celeste-soft:#d8ecfb;
    --celeste-light:#7ec4f2;
    --white:#ffffff;
    --ink:#142433;
    --muted:#5a6a7a;
    --line:#e8e2d6;
    --font:"DM Sans",system-ui,sans-serif;
    --step:clamp(1.08rem,1.3vw,1.22rem);
    --gap-section:clamp(36px,5vw,52px);
    --title:clamp(1.9rem,4vw,2.8rem);
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  html[lang="es"] [lang="en"]{display:none!important}
  html[lang="en"] [lang="es"]{display:none!important}
  body{margin:0;background:var(--white);color:var(--ink);font-family:var(--font);font-size:var(--step);line-height:1.7;-webkit-font-smoothing:antialiased}
  h1,h2,h3{font-weight:400;line-height:1.08;letter-spacing:-.02em;margin:0;text-wrap:pretty}
  h4{margin:0}
  p{margin:0}
  a{color:inherit;text-decoration:none}

  /* Layout */
  .wrap{max-width:1120px;margin:0 auto;padding:0 28px}
  .band{padding:clamp(72px,10vw,130px) 0}
  .narrow{max-width:980px}
  .steps-gap{margin-top:var(--gap-section)}

  /* Typography */
  .kicker{font-size:.8rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--celeste-deep);margin:0 0 20px}
  .muted{color:var(--muted)}
  .lead{font-size:clamp(1.15rem,2vw,1.4rem);color:var(--muted);max-width:56ch;line-height:1.6}
  .section-title{font-size:var(--title)}
  .label-strong{font-weight:600;color:var(--ink)}
  .link-accent{color:var(--celeste-deep);text-decoration:underline}
  .link-white{color:#fff;text-decoration:underline}

  /* Buttons */
  .btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;font-size:1rem;padding:.95rem 1.6rem;border-radius:56px;border:1px solid transparent;cursor:pointer;transition:background .18s,transform .18s}
  .btn-primary{background:#fdcd51;color:var(--ink)}
  .btn-primary:hover{background:#e9b93a}
  .btn-line{border:1px solid var(--celeste-deep);color:var(--celeste-deep)}
  .btn-line:hover{background:var(--celeste-soft)}
  .btn:focus-visible{outline:2px solid var(--celeste);outline-offset:2px}

  /* BANNER */
  .announce{background:var(--celeste-deep);color:#fff;text-align:center;font-size:.9rem;font-weight:600;padding:10px 20px;letter-spacing:.01em}
  .announce a{color:#fff;text-decoration:underline;text-underline-offset:2px}

  /* Header / Nav */
  header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
  .nav{display:flex;align-items:center;justify-content:space-between;height:72px}
  .brand{font-weight:700;font-size:1.2rem;display:flex;align-items:center;gap:.6rem;letter-spacing:-.01em}
  .brand .mark{width:16px;height:16px;border-radius:50%;background:var(--celeste)}
  .brand .loc{font-size:.78rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-left:2px}
  .nav-links{display:flex;gap:26px;align-items:center}
  .nav-links a{font-weight:600;color:var(--muted);font-size:.95rem;transition:color .15s}
  .nav-links a:hover{color:var(--ink)}
  .nav-cta{display:flex;align-items:center;gap:12px}
  .nav-cta-mobile{display:none}
  .menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 10px;cursor:pointer}
  .lang-btn{background:none;border:1px solid var(--line);border-radius:56px;padding:8px 16px;cursor:pointer;font:inherit;font-weight:700;font-size:.82rem;letter-spacing:.08em;color:var(--muted);transition:background .15s,color .15s}
  .lang-btn:hover{background:var(--celeste-soft);color:var(--celeste-deep)}
  .nav-cta .lang-btn{display:inline-flex;align-items:center;justify-content:center;height:38px}
  .nav-cta .menu-btn{align-items:center;justify-content:center;height:38px}

  /* Hero */
  .hero{position:relative;overflow:hidden}
  .hero .wrap{position:relative;padding-top:clamp(72px,10vw,120px);padding-bottom:clamp(56px,8vw,96px)}
  .hero::before{content:"";position:absolute;inset:0;background:
    radial-gradient(800px 420px at 85% 0%, rgba(61,155,233,.14), transparent 60%),
    radial-gradient(600px 320px at 0% 100%, rgba(226,109,79,.08), transparent 60%);
    pointer-events:none}
  .hero h1{font-size:clamp(2.6rem,7vw,4.8rem);letter-spacing:-.035em;line-height:1.02;max-width:16ch;font-weight:400}
  .hero h1 b{font-weight:700}
  .hero h1 .hl{color:var(--celeste-deep)}
  .hero .lead{margin:30px 0 40px;max-width:52ch}
  .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:0}
  .hero-foot{margin-top:clamp(44px,6vw,70px);padding-top:26px;border-top:1px solid var(--line);display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-weight:600;font-size:.92rem;color:var(--muted)}
  .hero-foot .dot{width:10px;height:10px;border-radius:50%;background:var(--celeste)}

  /* Positioning */
  .impact{background:var(--celeste);color:#fff}
  .impact .wrap{padding-top:clamp(52px,7vw,84px);padding-bottom:clamp(52px,7vw,84px)}
  .impact-line{font-size:clamp(1.3rem,2.6vw,1.9rem);font-weight:500;line-height:1.45;max-width:58ch}

  /* Mission */
  .mission .wrap{max-width:980px}
  .mission-statement h2{font-size:clamp(2rem,4.5vw,3.2rem);line-height:1.25}
  .mission-statement h2 b{font-weight:700;color:var(--celeste-deep)}
  .mission-statement p{margin-top:28px;font-size:clamp(1.1rem,1.8vw,1.25rem);color:var(--muted);max-width:62ch;line-height:1.75}
  .vision{margin-top:var(--gap-section);padding-top:clamp(28px,4vw,40px);border-top:1px solid var(--line)}
  .vision .kicker{margin-bottom:14px}
  .vision-text{font-size:clamp(1.2rem,2.2vw,1.5rem);color:var(--ink);max-width:54ch;line-height:1.6;margin-top:0!important}

  /* Values — editorial list */
  .value{padding:26px 0;border-bottom:1px solid var(--line)}
  .value:first-of-type{border-top:1px solid var(--line)}
  .value h3{font-size:1.4rem;font-weight:600;margin-bottom:6px}
  .value p{color:var(--muted);font-size:1rem;max-width:56ch;margin:0}

  /* Step — editorial rows */
  .step{padding:clamp(30px,4vw,44px) 0;border-bottom:1px solid var(--line)}
  .step:first-of-type{border-top:1px solid var(--line)}
  .step h3{font-size:clamp(1.6rem,3vw,2rem);font-weight:600;margin-bottom:10px}
  .step p{color:var(--muted);font-size:1.05rem;max-width:54ch}
  .step .tag{display:inline-block;margin-top:16px;font-size:.82rem;font-weight:600;color:var(--celeste-deep)}

  /* Lab — technical list */
  .lab .wrap{max-width:980px}
  .cap{padding:26px 0;border-bottom:1px solid var(--line)}
  .cap:first-of-type{border-top:1px solid var(--line)}
  .cap h3{font-size:1.35rem;font-weight:600;color:var(--ink);margin-bottom:4px}
  .cap p{color:var(--muted);font-size:.98rem;margin:0}

  /* Videos */
  .videos{background:var(--white)}
  .videos .wrap{max-width:980px}
  .videos h2{color:var(--ink)}
  .videos-head{margin-bottom:var(--gap-section)}
  .videos-head h2{font-size:var(--title);max-width:20ch}
  .videos-head .lead{margin-top:18px;max-width:54ch}
  .vid-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(22px,3vw,34px)}
  .vid .frame{position:relative;width:100%;aspect-ratio:16/9;border-radius:14px;overflow:hidden;box-shadow:0 8px 24px rgba(0,0,0,.08)}
  .vid .frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}
  .vid .cap{display:flex;gap:14px;align-items:baseline;padding:14px 2px 0;border:none;color:var(--muted)}
  .vid .cap b{color:var(--ink);font-weight:600}

  /* Profundizar */
  .deep .wrap{max-width:860px}
  .deep-head{margin-bottom:var(--gap-section)}
  .deep-head h2{font-size:var(--title);max-width:22ch}
  .deep-head .lead{margin-top:18px;max-width:58ch}
  .deep .frame{width:100%;aspect-ratio:16/9;border-radius:14px;overflow:hidden;box-shadow:0 8px 24px rgba(0,0,0,.10);background:#000}
  .deep .frame iframe{width:100%;height:100%;border:0;display:block}
  .deep .src{margin-top:14px;font-size:.9rem;color:var(--muted)}

  /* SAS — two columns */
  .sas h2{font-size:var(--title);max-width:20ch}
  .sas .lead{margin-top:16px;max-width:60ch}
  .sas-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:var(--gap-section);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .sas-col{padding:clamp(30px,4vw,44px) clamp(24px,3vw,40px)}
  .sas-col.safety{position:relative}
  .sas-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:6px}
  .sas-head h3{margin-bottom:0}
  .sas-tag{display:inline-block;font-family:var(--font);font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#fff;background:var(--celeste-deep);padding:.3rem .65rem;border-radius:999px}
  .sas-col + .sas-col{border-left:1px solid var(--line)}
  .sas-col h3{font-size:1.7rem;margin-bottom:6px}
  .sas-col .sub{font-weight:700;font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:16px;color:var(--celeste-deep)}
  .sas-col p{color:var(--muted);font-size:1rem;margin-bottom:14px}
  .sas-col ul{margin:0;padding-left:18px;color:var(--muted);font-size:.96rem}
  .sas-col li{margin:6px 0}

  /* FAQ */
  .faq h2{text-align:center;max-width:none}
  .faq-list{max-width:820px;margin:var(--gap-section) auto 0;border-top:1px solid var(--line)}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-q{width:100%;text-align:left;background:none;border:none;padding:24px 4px;font-size:1.12rem;font-weight:600;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px}
  .faq-q .plus{flex:0 0 auto;width:24px;height:24px;color:var(--celeste);transition:transform .2s}
  .faq-item.open .plus{transform:rotate(45deg)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;color:var(--muted)}
  .faq-a p{padding:0 4px 24px;max-width:68ch}

  /* CTA */
  .cta{background:var(--celeste);color:#fff}
  .cta .wrap{max-width:760px;text-align:center;padding-top:clamp(72px,8vw,104px);padding-bottom:clamp(72px,8vw,104px)}
  .cta .kicker{color:rgba(255,255,255,.9)}
  .cta h2{color:#fff;font-size:clamp(2rem,4vw,2.9rem);font-weight:400;margin-bottom:16px}
  .cta h2 b{font-weight:700}
  .cta p{color:rgba(255,255,255,.92);margin-bottom:32px}
  .form{display:flex;gap:10px;max-width:480px;margin:0 auto;flex-wrap:wrap;justify-content:center}
  .form input{flex:1 1 240px;padding:.95rem 1.15rem;border:1px solid rgba(255,255,255,.5);border-radius:56px;font:inherit;font-size:.98rem;background:#fff;color:var(--ink)}
  .form input:focus{outline:2px solid #fff}
  .contact-links{margin-top:32px;display:flex;gap:24px;justify-content:center;flex-wrap:wrap;font-size:.96rem;font-weight:600}
  .contact-links a{color:#fff;border-bottom:1px solid transparent;transition:border-color .15s}
  .contact-links a:hover{border-color:#fff}

  /* Footer */
  footer.site{background:var(--ink);color:#fff;padding:56px 0 36px}
  .foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
  footer .brand{margin-bottom:14px}
  footer p{font-size:.9rem;color:#b9c6d2;max-width:34ch}
  footer h3{font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:#7f8c99;margin-bottom:14px;font-weight:700}
  footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
  footer a{color:#cdd6de;font-size:.92rem;transition:color .15s}
  footer a:hover{color:#fff}
  .foot-bottom{border-top:1px solid #2a3a49;margin-top:38px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.82rem;color:#7f8c99}

  /* Cookie */
  .cookie{position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--ink);color:#e6edf3;padding:16px 24px;display:flex;gap:16px;align-items:center;justify-content:center;flex-wrap:wrap;transform:translateY(100%);transition:transform .3s ease}
  .cookie.show{transform:translateY(0)}
  .cookie p{font-size:.88rem;color:#b9c6d2;max-width:62ch}
  .cookie a{color:#fff;text-decoration:underline}
  .cookie .btn{padding:.55rem 1.05rem;font-size:.88rem}
  .cookie .later{background:transparent;border:1px solid #3a4a59;color:#e6edf3}

  @media (max-width:1100px){
    .nav-links{display:none}
    .menu-btn{display:inline-flex}
    .nav-links.open{display:flex;position:absolute;top:72px;left:0;right:0;background:var(--white);flex-direction:column;padding:18px 28px;border-bottom:1px solid var(--line);gap:16px}
    .nav-links.open a{font-size:1.05rem}
    .nav-cta .btn{display:none}
    .nav-links.open .nav-cta-mobile{display:block}
  }
  @media (max-width:960px){
    .sas-grid{grid-template-columns:1fr}
    .sas-col + .sas-col{border-left:none;border-top:1px solid var(--line)}
    .vid-grid{grid-template-columns:1fr}
    .foot-grid{grid-template-columns:1fr 1fr}
  }
  @media (max-width:560px){
    .foot-grid{grid-template-columns:1fr}
  }
  @media (prefers-reduced-motion:reduce){
    *{scroll-behavior:auto!important}
  }

.brand-logo{height:26px;max-height:26px;width:auto;vertical-align:middle;border-radius:4px;margin-right:8px;object-fit:contain}@media(max-width:560px){.brand-logo{height:22px;max-height:22px;margin-right:6px}}

/* CHAISH: social icon links in footer */
.social-link{display:inline-flex;align-items:center;gap:9px}
.social-ico{display:inline-flex;align-items:center;color:var(--celeste);flex:0 0 auto}
.social-ico svg{display:block}
.social-link:hover .social-ico{color:var(--celeste-deep)}