/* ============ TOKENS ============ */
  :root{
    --deep:      #37123F;   /* roxo profundo do anel externo */
    --plum:      #5B1F5C;   /* transição roxo -> magenta */
    --magenta:   #93316E;   /* magenta da onça / meio-tom */
    --rose:      #C24C86;   /* rosa da faixa "UCB" */
    --blush:     #E79BC0;   /* rosa claro dos ramos de louro */
    --blush-soft:#F3CBE0;   /* rosa muito claro, apoio */
    --cream:     #FBF6F0;   /* fundo geral, tom do brasão */
    --cream-2:   #F4ECE3;   /* fundo alternado das seções */
    --paper:     #FFFDFB;   /* cards */
    --ink:       #2B0F30;   /* texto principal */
    --ink-soft:  #6B5468;   /* texto secundário */
    --line:      rgba(43,15,48,0.14);

    --display: 'Fraunces', Georgia, serif;
    --body: 'Inter', -apple-system, sans-serif;
    --mono: 'JetBrains Mono', ui-monospace, monospace;

    --container: 1180px;
    --radius: 18px;
  }

  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}

  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
  }

  body{
    font-family:var(--body);
    color:var(--ink);
    background:var(--cream);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }

  img{max-width:100%;display:block;}

  a{color:inherit;text-decoration:none;}

  .container{
    max-width:var(--container);
    margin:0 auto;
    padding:0 32px;
  }

  section{position:relative;}

  /* textura sutil de grade de contagem (hemocitômetro), assinatura visual do laboratório */
  .lab-grid{
    background-image:
      linear-gradient(rgba(43,15,48,0.05) 1px, transparent 1px),
      linear-gradient(90deg, rgba(43,15,48,0.05) 1px, transparent 1px);
    background-size: 34px 34px;
  }

  .eyebrow{
    font-family:var(--mono);
    font-size:12.5px;
    letter-spacing:0.16em;
    text-transform:uppercase;
    color:var(--magenta);
    display:inline-flex;
    align-items:center;
    gap:10px;
    margin-bottom:18px;
    font-weight:600;
  }
  .eyebrow::before{
    content:"";
    width:26px;
    height:1px;
    background:var(--magenta);
    display:inline-block;
  }

  h1,h2,h3{
    font-family:var(--display);
    font-weight:600;
    color:var(--deep);
    line-height:1.12;
    letter-spacing:-0.01em;
  }

  h2{font-size:clamp(28px, 3.4vw, 42px); font-weight:600;}
  h3{font-size:20px;}

  p{color:var(--ink-soft);}

  .btn{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-family:var(--body);
    font-weight:600;
    font-size:14.5px;
    padding:14px 26px;
    border-radius:100px;
    border:1.5px solid transparent;
    cursor:pointer;
    transition:transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease, color .25s ease;
    letter-spacing:0.01em;
  }
  .btn-primary{
    background:var(--deep);
    color:var(--cream);
    box-shadow:0 8px 22px -8px rgba(55,18,63,0.55);
  }
  .btn-primary:hover{transform:translateY(-2px); box-shadow:0 12px 26px -8px rgba(55,18,63,0.6);}
  .btn-ghost{
    background:transparent;
    color:var(--deep);
    border-color:var(--line);
  }
  .btn-ghost:hover{border-color:var(--deep); background:rgba(55,18,63,0.04);}

  /* focus visível para acessibilidade */
  a:focus-visible, button:focus-visible{
    outline:2.5px solid var(--rose);
    outline-offset:3px;
    border-radius:6px;
  }

  /* ============ HEADER (fixo durante todo o scroll) ============ */
  header{
    position:sticky;
    top:0;
    z-index:1000;
    width:100%;
    background:rgba(251,246,240,0.86);
    backdrop-filter:blur(14px) saturate(140%);
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    border-bottom:1px solid transparent;
    transition:border-color .35s ease, box-shadow .35s ease, background .35s ease;
  }
  header.scrolled{
    border-bottom-color:var(--line);
    box-shadow:0 10px 30px -18px rgba(43,15,48,0.35);
  }
  .nav-wrap{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:14px 32px;
    max-width:var(--container);
    margin:0 auto;
  }
  .brand{
    display:flex;
    align-items:center;
    gap:12px;
  }
  .brand img{
    width:44px;
    height:44px;
    border-radius:50%;
    object-fit:cover;
    box-shadow:0 0 0 2px var(--cream), 0 0 0 3.5px var(--deep);
  }
  .brand-text{display:flex; flex-direction:column; line-height:1.2;}
  .brand-text strong{
    font-family:var(--display);
    font-size:17px;
    color:var(--deep);
    letter-spacing:0.01em;
  }
  .brand-text span{
    font-family:var(--mono);
    font-size:10px;
    letter-spacing:0.08em;
    color:var(--magenta);
    text-transform:uppercase;
  }
  nav.primary-nav{
    display:flex;
    gap:34px;
  }
  nav.primary-nav a{
    font-size:14.5px;
    font-weight:500;
    color:var(--ink);
    position:relative;
    padding:4px 0;
  }
  nav.primary-nav a::after{
    content:"";
    position:absolute;
    left:0; bottom:-2px;
    width:0%;
    height:1.5px;
    background:var(--rose);
    transition:width .3s ease;
  }
  nav.primary-nav a:hover::after{width:100%;}

  .header-actions{
    display:flex;
    align-items:center;
    gap:10px;
  }
  .icon-link{
    width:38px; height:38px;
    display:flex; align-items:center; justify-content:center;
    border-radius:50%;
    border:1.5px solid var(--line);
    color:var(--deep);
    transition:all .25s ease;
  }
  .icon-link:hover{
    background:var(--deep);
    color:var(--cream);
    border-color:var(--deep);
    transform:translateY(-2px);
  }
  .icon-link svg{width:17px; height:17px;}

  .nav-toggle{
    display:none;
    width:40px; height:40px;
    border-radius:50%;
    border:1.5px solid var(--line);
    background:transparent;
    align-items:center;
    justify-content:center;
  }
  .nav-toggle svg{width:18px;height:18px;color:var(--deep);}

  /* ============ HERO ============ */
  .hero{
    padding:96px 0 110px;
    position:relative;
    overflow:hidden;
  }
  .hero::before{
    content:"";
    position:absolute;
    top:-220px; right:-220px;
    width:640px; height:640px;
    border-radius:50%;
    background:radial-gradient(circle at 35% 35%, var(--blush-soft), transparent 70%);
    opacity:.75;
    z-index:0;
  }
  .hero::after{
    content:"";
    position:absolute;
    bottom:-260px; left:-200px;
    width:520px; height:520px;
    border-radius:50%;
    background:radial-gradient(circle at 60% 40%, var(--blush) , transparent 70%);
    opacity:.35;
    z-index:0;
  }
  .hero-grid{
    display:grid;
    grid-template-columns:1.05fr 0.85fr;
    gap:64px;
    align-items:center;
    position:relative;
    z-index:1;
  }
  .hero-kicker{
    display:block;
    font-family:var(--display);
    font-weight:600;
    color:var(--deep);
    font-size:clamp(19px, 2.3vw, 25px);
    letter-spacing:-0.01em;
    margin-bottom:8px;
  }
  .hero h1{
    font-size:clamp(42px, 6.4vw, 68px);
    line-height:1.06;
    margin-bottom:28px;
  }
  .hero h1 em{
    font-style:italic;
    color:var(--magenta);
    font-weight:500;
  }
  .hero-lede{
    font-size:17.5px;
    max-width:520px;
    margin-bottom:40px;
  }
  .hero-ctas{
    display:flex;
    gap:14px;
    flex-wrap:wrap;
    margin-bottom:48px;
  }
  .hero-tags{
    display:flex;
    gap:10px;
    flex-wrap:wrap;
  }
  .hero-tags span{
    font-family:var(--mono);
    font-size:11.5px;
    letter-spacing:0.04em;
    padding:7px 14px;
    border:1px dashed var(--magenta);
    border-radius:100px;
    color:var(--magenta);
    background:rgba(147,49,110,0.05);
  }

  .hero-badge-wrap{
    position:relative;
    display:flex;
    align-items:center;
    justify-content:center;
  }
  .hero-badge-ring{
    position:absolute;
    width:112%;
    height:112%;
    border-radius:50%;
    border:1px dashed rgba(147,49,110,0.35);
    animation:spin 60s linear infinite;
  }
  .hero-badge-ring.r2{
    width:128%;
    height:128%;
    border-color:rgba(199,76,134,0.2);
    animation-duration:90s;
    animation-direction:reverse;
  }
  @keyframes spin{ to{ transform:rotate(360deg); } }
  .hero-badge{
    position:relative;
    width:min(100%, 400px);
    border-radius:50%;
    box-shadow:0 30px 60px -20px rgba(55,18,63,0.4);
  }

  .specimen-tag{
    position:absolute;
    bottom:-18px;
    left:50%;
    transform:translateX(-50%);
    background:var(--paper);
    border:1px solid var(--line);
    border-radius:12px;
    padding:10px 18px;
    display:flex;
    align-items:center;
    gap:10px;
    box-shadow:0 14px 30px -14px rgba(43,15,48,0.3);
    font-family:var(--mono);
    font-size:11px;
    color:var(--ink-soft);
    white-space:nowrap;
  }
  .specimen-tag b{color:var(--deep); font-weight:600;}
  .specimen-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--rose);}

  /* ============ SOBRE ============ */
  .about{
    padding:120px 0 100px;
  }
  .about-grid{
    display:grid;
    grid-template-columns:0.72fr 1.28fr;
    gap:70px;
    align-items:start;
  }
  .about-card{
    background:var(--paper);
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:34px;
    position:sticky;
    top:110px;
  }
  .about-card .label-row{
    display:flex;
    justify-content:space-between;
    align-items:center;
    font-family:var(--mono);
    font-size:10.5px;
    letter-spacing:0.08em;
    text-transform:uppercase;
    color:var(--magenta);
    margin-bottom:22px;
    border-bottom:1px dashed var(--line);
    padding-bottom:14px;
  }
  .about-card h3{
    font-size:22px;
    margin-bottom:14px;
  }
  .about-card p{font-size:14.5px;}
  .about-stats{
    margin-top:26px;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:18px;
    border-top:1px dashed var(--line);
    padding-top:22px;
  }
  .about-stats div strong{
    display:block;
    font-family:var(--display);
    font-size:26px;
    color:var(--deep);
  }
  .about-stats div span{
    font-family:var(--mono);
    font-size:10.5px;
    letter-spacing:0.03em;
    color:var(--ink-soft);
    text-transform:uppercase;
  }

  .about-body p{
    font-size:16px;
    color:var(--ink);
    opacity:0.85;
    margin-bottom:22px;
  }
  .about-body p:first-of-type::first-letter{
    font-family:var(--display);
    font-size:56px;
    float:left;
    line-height:0.8;
    padding:6px 10px 0 0;
    color:var(--deep);
    font-weight:600;
  }

  /* ============ PILARES / ATUAÇÃO ============ */
  .pillars{
    padding:100px 0;
    background:var(--cream-2);
  }
  .pillars-head{
    display:flex;
    justify-content:space-between;
    align-items:flex-end;
    gap:40px;
    margin-bottom:56px;
    flex-wrap:wrap;
  }
  .pillars-head p{max-width:420px; font-size:15px;}

  .pillars-grid{
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:22px;
  }
  .pillar-card{
    background:var(--paper);
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:28px 26px;
    transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
    position:relative;
    overflow:hidden;
  }
  .pillar-card:hover{
    transform:translateY(-5px);
    box-shadow:0 20px 40px -20px rgba(43,15,48,0.28);
    border-color:rgba(147,49,110,0.35);
  }
  .pillar-reg{
    font-family:var(--mono);
    font-size:10.5px;
    color:var(--magenta);
    letter-spacing:0.05em;
    margin-bottom:18px;
    display:block;
  }
  .pillar-icon{
    width:42px; height:42px;
    border-radius:50%;
    background:var(--blush-soft);
    color:var(--deep);
    display:flex;
    align-items:center;
    justify-content:center;
    margin-bottom:18px;
  }
  .pillar-icon svg{width:20px;height:20px;}
  .pillar-card h3{font-size:18.5px; margin-bottom:8px;}
  .pillar-card p{font-size:14px;}

  .practice-strip{
    margin-top:30px;
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    align-items:center;
    padding:22px 26px;
    background:var(--deep);
    border-radius:var(--radius);
  }
  .practice-strip .label{
    font-family:var(--mono);
    font-size:10.5px;
    letter-spacing:0.08em;
    text-transform:uppercase;
    color:var(--blush-soft);
    margin-right:8px;
  }
  .practice-strip span.chip{
    font-family:var(--mono);
    font-size:12px;
    color:var(--cream);
    background:rgba(255,255,255,0.08);
    border:1px solid rgba(255,255,255,0.18);
    padding:7px 14px;
    border-radius:100px;
  }

  /* ============ PATROCINADORES ============ */
  .sponsors{
    padding:100px 0;
  }
  .sponsors-grid{
    display:grid;
    grid-template-columns:repeat(4, 1fr);
    gap:20px;
    margin-top:50px;
  }
  .sponsor-slot{
    border:1.5px dashed var(--line);
    border-radius:14px;
    display:flex;
    flex-direction:column;
    color:var(--ink-soft);
    overflow:hidden;
    transition:border-color .25s ease, background .25s ease;
  }
  .sponsor-slot:hover{
    border-color:var(--magenta);
    background:rgba(147,49,110,0.04);
  }
  .sponsor-logo{
    aspect-ratio:16/9;
    display:flex;
    align-items:center;
    justify-content:center;
  }
  .sponsor-logo svg{width:22px;height:22px; opacity:.55;}
  .sponsor-logo img{max-width:72%; max-height:64%; object-fit:contain;}
  .sponsor-caption{
    font-family:var(--mono);
    font-size:10.5px;
    letter-spacing:0.02em;
    text-align:center;
    color:var(--ink-soft);
    padding:10px 14px 14px;
    border-top:1px dashed var(--line);
  }
  /* Instrução para o usuário editar depois: substituir o conteúdo do .sponsor-logo por <img src="..." alt="Nome do patrocinador"> e o texto do .sponsor-caption pela legenda */

  /* ============ CONTATO / FOOTER ============ */
  .contact{
    background:var(--deep);
    color:var(--cream);
    padding:110px 0 50px;
    position:relative;
    overflow:hidden;
  }
  .contact::before{
    content:"";
    position:absolute;
    top:0; left:0; right:0; bottom:0;
    background-image:
      linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
    background-size:36px 36px;
    pointer-events:none;
  }
  .contact-inner{position:relative; z-index:1;}
  .contact-top{
    display:grid;
    grid-template-columns:1.15fr 0.85fr;
    gap:60px;
    padding-bottom:70px;
    border-bottom:1px solid rgba(255,255,255,0.14);
  }
  .contact h2{color:var(--cream); font-size:clamp(30px,4vw,44px); margin-bottom:18px;}
  .contact-top p{color:rgba(251,246,240,0.72); font-size:16px; max-width:460px;}

  .contact-channels{display:flex; flex-direction:column; gap:14px;}
  .channel{
    display:flex;
    align-items:center;
    gap:16px;
    padding:16px 20px;
    border:1px solid rgba(255,255,255,0.16);
    border-radius:14px;
    transition:background .25s ease, border-color .25s ease, transform .25s ease;
  }
  .channel:hover{
    background:rgba(255,255,255,0.06);
    border-color:rgba(255,255,255,0.35);
    transform:translateX(4px);
  }
  .channel .ic{
    width:42px;height:42px;
    border-radius:50%;
    background:rgba(255,255,255,0.08);
    display:flex;align-items:center;justify-content:center;
    flex-shrink:0;
  }
  .channel .ic svg{width:19px;height:19px;}
  .channel .meta{display:flex; flex-direction:column;}
  .channel .meta b{font-size:14.5px; font-weight:600;}
  .channel .meta span{
    font-family:var(--mono);
    font-size:12px;
    color:rgba(251,246,240,0.6);
  }

  .contact-brand .university-logo{
    display:flex;
    align-items:center;
    justify-content:center;
    padding:8px 4px;
}
.contact-brand .university-logo img{
    width:260px !important;
    height:auto !important;
    max-width:80%;
    object-fit:contain;
    display:block;
    border-radius:0 !important;
    box-shadow:none !important;
}

  .contact-bottom{
    padding-top:34px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    flex-wrap:wrap;
    gap:16px;
  }
  .contact-brand{
    display:flex;
    align-items:center;
    gap:14px;
  }
  .contact-brand img{
    width:46px;height:46px;
    border-radius:50%;
    box-shadow:0 0 0 2px rgba(255,255,255,0.25);
  }
  .contact-brand-text strong{
    font-family:var(--display);
    font-size:15.5px;
    display:block;
  }
  .contact-brand-text span{
    font-family:var(--mono);
    font-size:10.5px;
    color:rgba(251,246,240,0.55);
    letter-spacing:0.04em;
  }
  .copyright{
    font-size:12.5px;
    color:rgba(251,246,240,0.5);
    font-family:var(--mono);
  }

  /* ============ RESPONSIVO ============ */
  @media (max-width: 980px){
    .hero-grid{grid-template-columns:1fr; gap:60px;}
    .hero-badge-wrap{order:-1; max-width:320px; margin:0 auto;}
    .about-grid{grid-template-columns:1fr; gap:40px;}
    .about-card{position:static;}
    .pillars-grid{grid-template-columns:repeat(2,1fr);}
    .sponsors-grid{grid-template-columns:repeat(2,1fr);}
    .contact-top{grid-template-columns:1fr; gap:44px;}
  }

  @media (max-width: 720px){
    .nav-wrap{padding:12px 20px;}
    nav.primary-nav{
      position:fixed;
      top:70px; left:0; right:0;
      background:var(--cream);
      flex-direction:column;
      gap:0;
      border-bottom:1px solid var(--line);
      max-height:0;
      overflow:hidden;
      transition:max-height .35s ease;
    }
    nav.primary-nav.open{max-height:400px;}
    nav.primary-nav a{padding:16px 24px; width:100%; border-bottom:1px solid var(--line);}
    .nav-toggle{display:flex;}
    .container{padding:0 20px;}
    .hero{padding:56px 0 70px;}
    .about, .pillars, .sponsors{padding:70px 0;}
    .pillars-grid{grid-template-columns:1fr;}
    .sponsors-grid{grid-template-columns:repeat(2,1fr);}
    .contact{padding:80px 0 34px;}
    .contact-bottom{flex-direction:column; align-items:flex-start;}
    .about-body p:first-of-type::first-letter{font-size:42px;}
  }