:root{
  /* paleta extraída do logo oficial do MUPAMBI */
  --teal:        #4F726F;   /* verde-petróleo principal (a "M" do logo) */
  --teal-light:  #6F9C98;
  --coral:       #E8794F;   /* laranja das chaminés */
  --coral-soft:  #F3A87F;
  --cyan:        #14BFA6;   /* turquesa das montanhas (versão com contraste p/ texto) */
  --cyan-bright: #3AF7DD;   /* turquesa vivo do logo (só decorativo, nunca texto) */
  --paper:       #EEF3F3;   /* tom claro derivado do cinza-azulado do logo */
  --card:        #FFFFFF;
  --peach:       #FCEADD;   /* tom da fumaça, usado em seções alternadas */
  --ink:         #1E2B29;
  --ink-soft:    #4B5E5A;
  --line:        rgba(30,43,41,0.13);
  --radius:      6px;
  --maxw:        1180px;
  --serif: 'IBM Plex Serif', Georgia, serif;
  --sans:  'IBM Plex Sans', -apple-system, Segoe UI, sans-serif;
  --mono:  'IBM Plex Mono', 'Courier New', monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0; background:var(--paper); color:var(--ink); font-family:var(--sans); line-height:1.55; -webkit-font-smoothing:antialiased;}
img{max-width:100%; display:block;}
a{color:inherit;}
h1,h2,h3{font-family:var(--serif); margin:0; font-weight:600; letter-spacing:-0.01em;}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 22px;}
.skip-link{position:absolute; left:-999px; top:0; background:var(--teal); color:#fff; padding:10px 16px; font-family:var(--mono); font-size:.8rem; z-index:999;}
.skip-link:focus{left:12px; top:12px;}
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible{outline:2px solid var(--cyan); outline-offset:3px;}

/* ---------- topbar ---------- */
.topbar{position:sticky; top:0; z-index:50; background:rgba(238,243,243,0.92); backdrop-filter:blur(8px); border-bottom:1px solid var(--line);}
.topbar-inner{display:flex; align-items:center; justify-content:space-between; gap:16px; padding:10px 22px; max-width:var(--maxw); margin:0 auto;}
.brand{display:flex; align-items:center; gap:10px; text-decoration:none;}
.brand img{height:40px; width:auto;}
.brand span{font-family:var(--mono); font-weight:500; letter-spacing:.05em; font-size:.85rem; color:var(--teal);}
.nav-desktop{display:none; align-items:center; gap:26px; font-family:var(--mono); font-size:.78rem; letter-spacing:.04em; text-transform:uppercase;}
.nav-desktop a{text-decoration:none; padding-bottom:4px; border-bottom:1px solid transparent;}
.nav-desktop a:hover, .nav-desktop a[aria-current="page"]{border-bottom-color:var(--coral); color:var(--coral);}
.lang-switch{display:flex; gap:6px;}
.lang-switch button{background:none; border:1px solid var(--line); border-radius:20px; font-family:var(--mono); font-size:.68rem; padding:4px 9px; cursor:pointer; display:flex; align-items:center; gap:4px;}
.lang-switch button[aria-pressed="true"]{background:var(--teal); color:#fff; border-color:var(--teal);}
.burger{background:none; border:1px solid var(--line); border-radius:var(--radius); width:38px; height:34px; display:flex; align-items:center; justify-content:center; cursor:pointer;}
.burger span, .burger span:before, .burger span:after{content:''; display:block; width:16px; height:2px; background:var(--ink); position:relative;}
.burger span:before{top:-5px;} .burger span:after{top:3px;}
.mobile-nav{display:none; flex-direction:column; background:var(--card); border-bottom:1px solid var(--line);}
.mobile-nav.open{display:flex;}
.mobile-nav a{font-family:var(--mono); text-transform:uppercase; font-size:.85rem; letter-spacing:.04em; padding:15px 22px; border-bottom:1px solid var(--line); text-decoration:none;}

@media(min-width:860px){
  .nav-desktop{display:flex;}
  .burger{display:none;}
  .mobile-nav{display:none !important;}
}

/* ---------- chevron divider (motivo do logo) ---------- */
.chevrons{height:14px; display:flex;}
.chevrons i{flex:1; clip-path:polygon(0 100%,50% 0,100% 100%);}
.chevrons i:nth-child(1){background:var(--teal-light);}
.chevrons i:nth-child(2){background:var(--coral);}
.chevrons i:nth-child(3){background:var(--cyan);}

/* ---------- hero ---------- */
.hero{padding:52px 22px 46px; max-width:var(--maxw); margin:0 auto; display:grid; gap:32px;}
.hero-logo{width:96px; height:96px; object-fit:contain;}
.eyebrow{font-family:var(--mono); text-transform:uppercase; font-size:.72rem; letter-spacing:.09em; color:var(--ink-soft); margin:0 0 12px;}
.hero h1{font-size:clamp(1.8rem,5vw,2.9rem); line-height:1.14; max-width:760px;}
.lede{font-size:1.03rem; color:var(--ink-soft); max-width:600px; margin:16px 0 0;}
.cta-row{display:flex; flex-wrap:wrap; gap:14px; margin-top:26px;}
.btn{font-family:var(--mono); font-size:.8rem; letter-spacing:.03em; text-transform:uppercase; text-decoration:none; padding:13px 22px; border-radius:var(--radius); display:inline-block; border:1px solid var(--teal); cursor:pointer; transition:transform .15s ease, background .15s ease;}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--teal); color:#fff;}
.btn-primary:hover{background:var(--coral); border-color:var(--coral);}
.btn-ghost{background:transparent; color:var(--teal);}
.btn-ghost:hover{background:var(--teal); color:#fff;}

/* ---------- section ---------- */
.section{padding:56px 22px; max-width:var(--maxw); margin:0 auto;}
.section.alt{background:var(--peach); border-radius:var(--radius);}
.tag-label{font-family:var(--mono); font-size:.7rem; letter-spacing:.08em; color:var(--coral); text-transform:uppercase;}
.section h2{font-size:clamp(1.4rem,3.2vw,2rem); margin-top:8px;}
.section-note{font-family:var(--mono); font-size:.78rem; color:var(--ink-soft); margin-top:6px;}
.section p{max-width:680px; color:var(--ink-soft);}

/* ---------- embed box (Canva) ---------- */
.embed-box{position:relative; margin-top:22px; border-radius:var(--radius); overflow:hidden; border:1px solid var(--line); background:var(--card);}
.embed-box .ratio{position:relative; width:100%; padding-top:56.25%;} /* 16:9 */
.embed-box.video .ratio{padding-top:56.25%;}
.embed-box iframe{position:absolute; inset:0; width:100%; height:100%; border:0;}
.embed-caption{font-family:var(--mono); font-size:.72rem; color:var(--ink-soft); padding:10px 14px; border-top:1px solid var(--line);}

/* ---------- catalog grid ---------- */
.filter-row{display:flex; gap:10px; flex-wrap:wrap; margin:22px 0 28px;}
.pill{font-family:var(--mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.04em; border:1px solid var(--line); border-radius:20px; padding:7px 14px; background:transparent; cursor:pointer;}
.pill[aria-pressed="true"]{background:var(--teal); color:#fff; border-color:var(--teal);}
.catalog-grid{display:grid; grid-template-columns:1fr; gap:22px;}
@media(min-width:680px){.catalog-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1020px){.catalog-grid{grid-template-columns:repeat(3,1fr);}}
.catalog-card{position:relative; background:var(--card); border-radius:var(--radius); border:1px solid var(--line); overflow:hidden; opacity:0; transform:translateY(14px); transition:opacity .5s ease, transform .5s ease, box-shadow .2s ease;}
.catalog-card.is-visible{opacity:1; transform:translateY(0);}
.catalog-card:hover{box-shadow:0 10px 26px rgba(30,43,41,0.12);}
.catalog-card::before{content:''; position:absolute; left:0; top:0; bottom:0; width:5px;}
.cat-canva::before{background:var(--coral);}
.cat-youtube::before{background:var(--cyan);}
.cat-zenodo::before{background:var(--teal);}
.card-body{padding:18px 18px 20px 22px;}
.card-top{display:flex; justify-content:space-between; align-items:flex-start; gap:10px; margin-bottom:10px;}
.catalog-num{font-family:var(--mono); font-size:.72rem; color:var(--ink-soft);}
.badge{font-family:var(--mono); font-size:.62rem; letter-spacing:.05em; text-transform:uppercase; padding:4px 8px; border-radius:12px; color:#fff; white-space:nowrap;}
.badge-canva{background:var(--coral);}
.badge-youtube{background:var(--cyan);}
.badge-zenodo{background:var(--teal);}
.catalog-card h3{font-size:1.02rem; margin-bottom:6px;}
.catalog-card p{font-size:.87rem; color:var(--ink-soft); margin:0;}
.zenodo-link{display:flex; align-items:center; justify-content:center; gap:10px; padding:34px 18px; background:var(--peach); font-family:var(--mono); font-size:.85rem; text-decoration:none; color:var(--teal);}
.zenodo-link:hover{color:var(--coral);}

/* ---------- steps ---------- */
.steps{list-style:none; margin:24px 0 0; padding:0; display:grid; grid-template-columns:1fr; gap:20px;}
@media(min-width:760px){.steps{grid-template-columns:repeat(3,1fr);}}
.steps li{border-top:2px solid var(--teal); padding-top:14px;}
.step-num{display:block; font-family:var(--mono); color:var(--coral); font-size:.85rem; margin-bottom:8px;}
.steps h4{margin:0 0 6px; font-family:var(--serif); font-size:1.02rem;}
.steps p{margin:0; font-size:.87rem; color:var(--ink-soft);}

/* ---------- contact form ---------- */
.contato-grid{display:grid; gap:32px; margin-top:10px;}
@media(min-width:860px){.contato-grid{grid-template-columns:1.1fr 1fr;}}
form.contact-form{display:grid; gap:16px;}
label{font-family:var(--mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.04em; color:var(--ink-soft); display:block; margin-bottom:6px;}
input, select, textarea{width:100%; font-family:var(--sans); font-size:.95rem; padding:11px 12px; border:1px solid var(--line); border-radius:var(--radius); background:var(--card); color:var(--ink);}
textarea{resize:vertical; min-height:110px;}
.captcha-row{display:flex; align-items:center; gap:14px; flex-wrap:wrap;}
.captcha-row canvas{border:1px solid var(--line); border-radius:var(--radius); background:var(--card);}
.captcha-row input{max-width:110px;}
.hp-field{position:absolute; left:-9999px; top:-9999px;}
.form-msg{font-family:var(--mono); font-size:.82rem; padding:10px 12px; border-radius:var(--radius); display:none;}
.form-msg.show-ok{display:block; background:#DFF1EA; color:#1F5B44;}
.form-msg.show-err{display:block; background:#FBE3DA; color:#8A3A1D;}

/* ---------- footer ---------- */
footer{background:var(--teal); color:#EEF3F3; padding:40px 22px 26px; margin-top:20px;}
.footer-inner{max-width:var(--maxw); margin:0 auto; display:flex; flex-direction:column; gap:18px;}
.footer-top{display:flex; flex-wrap:wrap; justify-content:space-between; gap:18px; align-items:center;}
.footer-top img{height:34px;}
.footer-links{display:flex; gap:16px; font-family:var(--mono); font-size:.76rem; flex-wrap:wrap;}
.footer-links a{text-decoration:none;}
.footer-links a:hover{color:var(--cyan-bright);}
.footer-bottom{font-family:var(--mono); font-size:.68rem; color:rgba(238,243,243,0.7); border-top:1px solid rgba(238,243,243,0.2); padding-top:16px;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .catalog-card{transition:none; opacity:1; transform:none;}
  .btn:hover{transform:none;}
}