/* ===========================================================
   SERRA — folha exclusiva de desentupidoradecotia.com.br
   Suave, arredondado, cartões flutuantes. HTML + CSS puro.
   =========================================================== */
:root{
  --fundo:#f7f9f8; --cartao:#fff; --borda:#e2eae7; --borda2:#cfdcd8;
  --tinta:#15302b; --tinta2:#4c6660; --tinta3:#7f9690;
  --mata:#0d7a63; --mata2:#0a5e4c; --mataf:#e6f4f0;
  --barro:#c2552c; --barrof:#fdeee7; --sol:#e8a317; --ceu:#2a7fb8;
  --r:18px; --rp:10px; --w:1140px;
  --som:0 2px 4px rgba(21,48,43,.04),0 10px 30px -12px rgba(21,48,43,.14);
  --som2:0 4px 8px rgba(21,48,43,.06),0 20px 44px -16px rgba(21,48,43,.2);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--fundo);color:var(--tinta);
  font:400 17px/1.7 "Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
.cx{width:min(100% - 30px,var(--w));margin-inline:auto}
img{max-width:100%;height:auto;display:block}
a{color:var(--mata);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
:focus-visible{outline:3px solid var(--sol);outline-offset:3px;border-radius:8px}

h1,h2,h3,h4{margin:0 0 .5em;line-height:1.2;font-weight:700;letter-spacing:-.6px}
h1{font-size:clamp(30px,4.6vw,48px)}
h2{font-size:clamp(24px,3.2vw,34px)}
h3{font-size:clamp(19px,2.2vw,22px);letter-spacing:-.3px}
h4{font-size:17px;letter-spacing:-.2px}
p{margin:0 0 1.1em}
.intro{font-size:clamp(17px,2vw,20px);color:var(--tinta2);max-width:64ch}
.selo{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  letter-spacing:1.4px;text-transform:uppercase;color:var(--mata);background:var(--mataf);
  border-radius:40px;padding:6px 15px;margin-bottom:14px}
.selo.b{color:var(--barro);background:var(--barrof)}
.selo.c{color:var(--ceu);background:#e9f3fa}

.recado{background:var(--mata2);color:#d7ece6;font-size:14px}
.recado .cx{display:flex;gap:16px;justify-content:center;align-items:center;min-height:40px;
  flex-wrap:wrap;text-align:center;padding-block:5px}
.recado a{color:#ffd98a}
header.alto{background:rgba(255,255,255,.9);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--borda);position:sticky;top:0;z-index:30}
.alto .cx{display:flex;align-items:center;gap:14px;min-height:74px;flex-wrap:wrap}
.nome{display:flex;align-items:center;gap:11px}
.nome:hover{text-decoration:none}
.nome img{width:44px;height:44px;object-fit:contain}
.nome b{display:block;font-size:17px;color:var(--tinta);line-height:1.1}
.nome em{display:block;font-style:normal;font-size:11px;font-weight:600;letter-spacing:2px;
  text-transform:uppercase;color:var(--tinta3);margin-top:2px}
.caminhos{margin-left:auto;display:flex;gap:2px;flex-wrap:wrap;align-items:center}
.caminhos a{font-size:14px;font-weight:600;color:var(--tinta2);padding:9px 13px;border-radius:40px}
.caminhos a:hover{background:var(--mataf);color:var(--mata);text-decoration:none}
.caminhos a[aria-current="page"]{background:var(--mata);color:#fff}
.chamar{background:var(--barro);color:#fff !important;padding:11px 19px !important;
  border-radius:40px;font-weight:700 !important;box-shadow:var(--som)}
.chamar:hover{background:#a8451f;text-decoration:none !important}

.topo{padding:56px 0}
.topo .cx{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:center}
.acoes{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0 20px}
.bo{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:40px;
  font-weight:700;font-size:16px;transition:transform .18s,box-shadow .18s}
.bo:hover{text-decoration:none;transform:translateY(-2px);box-shadow:var(--som2)}
.bo-1{background:var(--mata);color:#fff;box-shadow:var(--som)}
.bo-2{background:var(--cartao);color:var(--mata);border:1px solid var(--borda2)}
.vant{list-style:none;padding:0;margin:0;display:flex;gap:10px;flex-wrap:wrap;font-size:13.5px;
  color:var(--tinta2)}
.vant li{background:var(--cartao);border:1px solid var(--borda);border-radius:40px;padding:7px 15px}

.zona{padding:54px 0}
.zona.suave{background:var(--cartao);border-block:1px solid var(--borda)}
.zona.verde{background:var(--mata2);color:#d7ece6}
.zona.verde h2,.zona.verde h3,.zona.verde h4{color:#fff}
.zona.verde a{color:#ffd98a}
.zona.verde .intro{color:#a9cfc5}

.caixas{display:grid;gap:18px}
.c2{grid-template-columns:repeat(2,1fr)}
.c3{grid-template-columns:repeat(3,1fr)}
.c4{grid-template-columns:repeat(4,1fr)}
.caixa{background:var(--cartao);border:1px solid var(--borda);border-radius:var(--r);padding:24px;
  box-shadow:var(--som);transition:transform .2s,box-shadow .2s}
.caixa:hover{transform:translateY(-4px);box-shadow:var(--som2)}
.caixa h3,.caixa h4{margin-bottom:.35em}
.caixa p{font-size:15.5px;color:var(--tinta2);margin:0}
.caixa .leva{display:inline-block;margin-top:14px;font-size:14px;font-weight:700}
.zona.verde .caixa{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.14)}
.zona.verde .caixa p{color:#a9cfc5}

.corpo{max-width:72ch}
.corpo h2{margin-top:1.6em}
.corpo h3{margin-top:1.4em}
.corpo ul,.corpo ol{color:var(--tinta2)}
.corpo li{margin-bottom:.45em}
.dica{background:var(--mataf);border-radius:var(--r);padding:20px 24px;margin:26px 0;
  color:var(--tinta2);border-left:5px solid var(--mata)}
.cuidado{background:var(--barrof);border-radius:var(--r);padding:20px 24px;margin:26px 0;
  color:var(--tinta2);border-left:5px solid var(--barro)}
.trilha-passos{list-style:none;counter-reset:t;padding:0;margin:26px 0}
.trilha-passos li{counter-increment:t;display:grid;grid-template-columns:44px 1fr;gap:16px;
  padding:0 0 22px}
.trilha-passos li::before{content:counter(t);width:36px;height:36px;border-radius:50%;
  background:var(--mata);color:#fff;display:grid;place-items:center;font-weight:700;font-size:15px}
.trilha-passos strong{display:block;margin-bottom:3px}
.trilha-passos span{color:var(--tinta2);font-size:15.5px}

table.tab{width:100%;border-collapse:separate;border-spacing:0;margin:22px 0;font-size:15.5px;
  background:var(--cartao);border:1px solid var(--borda);border-radius:var(--r);overflow:hidden}
table.tab th,table.tab td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--borda)}
table.tab tr:last-child th,table.tab tr:last-child td{border-bottom:0}
table.tab th{background:var(--mataf);font-size:12.5px;letter-spacing:1.2px;text-transform:uppercase;
  color:var(--tinta2);width:34%}

.perg details{background:var(--cartao);border:1px solid var(--borda);border-radius:var(--r);
  margin-bottom:10px;overflow:hidden}
.perg summary{cursor:pointer;padding:17px 22px;font-weight:700;list-style:none;
  display:flex;justify-content:space-between;gap:14px;align-items:center}
.perg summary::-webkit-details-marker{display:none}
.perg summary::after{content:"";width:9px;height:9px;border-right:2px solid var(--mata);
  border-bottom:2px solid var(--mata);transform:rotate(45deg);flex:none;margin-top:-4px}
.perg details[open] summary::after{transform:rotate(-135deg);margin-top:3px}
.perg p{padding:0 22px 18px;margin:0;color:var(--tinta2);font-size:15.5px}

.colunas{columns:3;column-gap:28px;font-size:14.5px}
.colunas a{display:block;break-inside:avoid;padding:5px 0;color:var(--tinta2)}
.colunas a:hover{color:var(--mata)}
.bolhas{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
.bolhas a{font-size:13.5px;background:var(--cartao);border:1px solid var(--borda);
  border-radius:40px;padding:7px 15px;color:var(--tinta2)}
.bolhas a:hover{border-color:var(--mata);color:var(--mata);text-decoration:none;
  box-shadow:var(--som)}
.zona.verde .bolhas a{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);
  color:#d7ece6}

.pegadas{font-size:13px;color:var(--tinta3);padding:16px 0}
.pegadas ol{list-style:none;display:flex;gap:9px;flex-wrap:wrap;padding:0;margin:0}
.pegadas li::after{content:"›";margin-left:9px;color:var(--borda2)}
.pegadas li:last-child::after{content:""}
.pegadas a{color:var(--tinta3)}

.convite{background:linear-gradient(135deg,var(--mata),var(--mata2));color:#fff;
  border-radius:26px;padding:42px;text-align:center;margin:48px 0;box-shadow:var(--som2)}
.convite h2{color:#fff}
.convite p{color:#bfe0d7;max-width:56ch;margin-inline:auto}
.convite .bo-1{background:#fff;color:var(--mata)}
.convite .bo-2{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}

footer.chao{background:var(--cartao);border-top:1px solid var(--borda);padding:48px 0 24px;
  font-size:14.5px;color:var(--tinta2)}
.chao .colsf{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}
.chao h4{font-size:12.5px;letter-spacing:1.6px;text-transform:uppercase;color:var(--tinta3)}
.chao ul{list-style:none;padding:0;margin:0}
.chao li{margin-bottom:8px}
.chao a{color:var(--tinta2)}
.chao a:hover{color:var(--mata)}
.chao .fecho{border-top:1px solid var(--borda);margin-top:32px;padding-top:18px;font-size:13px;
  color:var(--tinta3);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}

.flutua{position:fixed;right:18px;bottom:18px;z-index:50;display:flex;flex-direction:column;gap:10px}
.flutua a{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  box-shadow:var(--som2)}
.flutua a:hover{transform:scale(1.06);text-decoration:none}
.flutua .w{background:#25d366}
.flutua .t{background:var(--barro)}
.flutua svg{width:28px;height:28px;fill:#fff}

.ilustra{width:100%;max-width:300px;margin-inline:auto;background:var(--cartao);
  border:1px solid var(--borda);border-radius:24px;aspect-ratio:1;box-shadow:var(--som)}
.ilustra.pq{max-width:120px;border-radius:14px}
@keyframes v-cai{0%{transform:translateY(0);opacity:0}14%{opacity:1}86%{opacity:1}
  100%{transform:translateY(58px);opacity:0}}
@keyframes v-sobe{0%{transform:translateY(0) scale(.5);opacity:0}26%{opacity:.9}
  100%{transform:translateY(-46px) scale(1.2);opacity:0}}
@keyframes v-gira{to{transform:rotate(360deg)}}
@keyframes v-pulsa{0%,100%{opacity:.3}50%{opacity:1}}
@keyframes v-corre{to{stroke-dashoffset:-120}}
@keyframes v-bal{0%,100%{transform:translateX(0)}50%{transform:translateX(7px)}}
@keyframes v-cresce{0%{transform:scaleY(.25);opacity:.4}100%{transform:scaleY(1);opacity:1}}
@keyframes v-vai{0%{transform:translateX(-48px);opacity:0}20%{opacity:1}80%{opacity:1}
  100%{transform:translateX(48px);opacity:0}}
@keyframes v-bate{0%,100%{transform:translateY(0)}45%{transform:translateY(-9px)}}
.d1{animation:v-cai 2.1s linear infinite}
.d2{animation:v-cai 2.1s linear infinite .5s}
.d3{animation:v-cai 2.1s linear infinite 1.05s}
.d4{animation:v-cai 2.1s linear infinite 1.6s}
.b1{animation:v-sobe 2.6s ease-out infinite}
.b2{animation:v-sobe 2.6s ease-out infinite .7s}
.b3{animation:v-sobe 2.6s ease-out infinite 1.4s}
.gi{animation:v-gira 7s linear infinite;transform-origin:center}
.gi-r{animation:v-gira 5s linear infinite reverse;transform-origin:center}
.pu{animation:v-pulsa 2.2s ease-in-out infinite}
.fl{stroke-dasharray:14 10;animation:v-corre 2.4s linear infinite}
.fl-l{stroke-dasharray:8 14;animation:v-corre 3.6s linear infinite}
.ba{animation:v-bal 3.2s ease-in-out infinite;transform-origin:center}
.cr{animation:v-cresce 3.4s ease-in-out infinite alternate;transform-origin:bottom}
.va{animation:v-vai 3s linear infinite}
.va2{animation:v-vai 3s linear infinite 1.5s}
.bt-up{animation:v-bate 1.9s ease-in-out infinite}
.es{animation:v-pulsa 2.8s ease-in-out infinite}
.es2{animation:v-pulsa 2.8s ease-in-out infinite 1.4s}

.centro{text-align:center}
.mini{font-size:13.5px;color:var(--tinta3)}
.escape{position:absolute;left:-9999px;background:var(--mata);color:#fff;padding:10px 18px;
  border-radius:0 0 10px 0;font-weight:700;z-index:99}
.escape:focus{left:0;top:0}
figure{margin:26px 0}
figure img{border-radius:var(--r);box-shadow:var(--som)}
figcaption{font-size:13.5px;color:var(--tinta3);padding-top:10px}

@media (max-width:1000px){
  .topo .cx{grid-template-columns:1fr;gap:32px}
  .c4{grid-template-columns:repeat(2,1fr)}
  .colunas{columns:2}
  .chao .colsf{grid-template-columns:1fr 1fr}
}
@media (max-width:740px){
  body{font-size:16.5px}
  .caminhos{width:100%;margin-left:0;overflow-x:auto;flex-wrap:nowrap;padding-bottom:6px}
  .caminhos a{white-space:nowrap}
  .c2,.c3,.c4{grid-template-columns:1fr}
  .colunas{columns:1}
  .zona{padding:40px 0}
  .convite{padding:28px 20px;border-radius:20px}
  .chao .colsf{grid-template-columns:1fr}
  .flutua a{width:52px;height:52px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important}
}
@media print{.recado,.caminhos,.flutua{display:none}body{background:#fff}}