*{box-sizing:border-box;margin:0;padding:0}
:root{
  --azul:#1F4E79; --azul-esc:#0F2D4A; --azul-cl:#E8F1F8; --azul-suave:#D5E8F0;
  --verde:#1FB069; --verde-esc:#168a52; --whatsapp:#25D366; --whatsapp-esc:#1ea958;
  --cinza:#F6F8FA; --cinza-tx:#5A6470; --cinza-bd:#E2E6EB; --texto:#1A2230;
  --radius:14px; --shadow:0 10px 30px rgba(15,45,74,.08); --shadow-lg:0 20px 50px rgba(15,45,74,.14);
}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--texto);background:#fff;line-height:1.55;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:1180px;margin:0 auto;padding:0 22px}

/* Top bar (dark) */
.topbar{position:sticky;top:0;z-index:50;background:var(--azul-esc);color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.topbar .row{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px}
.brand{display:flex;align-items:center;gap:10px}
.brand-logo-img{height:36px;width:auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 22px;border-radius:999px;font-weight:700;font-size:16px;
  border:0;cursor:pointer;transition:transform .15s ease, box-shadow .15s ease, background .15s;text-align:center}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-wpp{background:var(--whatsapp);color:#fff}
.btn-wpp:hover{background:var(--whatsapp-esc)}
.btn-wpp svg{width:20px;height:20px;flex-shrink:0;fill:#fff}
.btn-outline{background:#fff;color:var(--azul);border:1.5px solid var(--azul)}
.btn-outline:hover{background:var(--azul);color:#fff}
.btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.4)}
.btn-outline-light:hover{background:rgba(255,255,255,.1)}
.btn-lg{padding:17px 30px;font-size:18px}

/* Hero */
.hero{position:relative;padding:48px 0 70px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(1100px 600px at 80% -10%,rgba(31,78,121,.10),transparent 60%),
  linear-gradient(180deg,var(--azul-cl) 0%,#fff 75%);z-index:-1}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--cinza-bd);font-size:13px;font-weight:600;color:var(--azul);margin-bottom:18px;box-shadow:var(--shadow)}
.hero-eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--verde);animation:blink 2s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
.hero h1{font-size:54px;line-height:1.05;letter-spacing:-1px;color:var(--azul-esc);font-weight:800;margin-bottom:18px}
.hero h1 .accent{color:var(--azul);position:relative;white-space:nowrap}
.hero h1 .accent::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:8px;background:rgba(31,176,105,.35);z-index:-1;border-radius:4px}
.hero p.lead{font-size:19px;color:#3a4252;margin-bottom:24px;max-width:580px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px}
.hero-stats{display:flex;gap:28px;flex-wrap:wrap;padding-top:22px;border-top:1px solid var(--cinza-bd)}
.hero-stats .stat{min-width:130px}
.hero-stats .num{font-size:28px;font-weight:800;color:var(--azul);line-height:1}
.hero-stats .lbl{font-size:13px;color:var(--cinza-tx);margin-top:4px}
.hero-img{position:relative}
.hero-img img{margin:0 auto;border-radius:18px;filter:drop-shadow(0 22px 30px rgba(15,45,74,.18))}
.hero-img .float-badge{position:absolute;background:#fff;border-radius:14px;padding:12px 16px;box-shadow:var(--shadow-lg);
  display:flex;align-items:center;gap:10px;font-size:13px;font-weight:700;color:var(--azul);z-index:2}
.hero-img .float-badge svg{width:22px;height:22px;flex-shrink:0;fill:var(--verde)}
.hero-img .float-badge.top{top:6%;left:-18px}
.hero-img .float-badge.bottom{bottom:6%;right:-12px;color:var(--verde-esc)}
.hero-img .float-badge.bottom svg{fill:var(--azul)}

/* Trust */
.trust{padding:24px 0;border-top:1px solid var(--cinza-bd);border-bottom:1px solid var(--cinza-bd);background:#fafbfc}
.trust .row{display:flex;align-items:center;justify-content:space-around;flex-wrap:wrap;gap:22px}
.trust-item{display:flex;align-items:center;gap:12px;color:var(--cinza-tx);font-size:14px;font-weight:600}
.trust-item svg{width:32px;height:32px;flex-shrink:0;fill:var(--azul)}

/* Sections */
section{padding:80px 0}
.section-head{text-align:center;margin-bottom:56px}
.section-head .kicker{font-size:13px;font-weight:700;color:var(--verde-esc);letter-spacing:2px;text-transform:uppercase;margin-bottom:10px}
.section-head h2{font-size:40px;color:var(--azul-esc);font-weight:800;line-height:1.15;letter-spacing:-.5px;max-width:780px;margin:0 auto}
.section-head p{font-size:18px;color:var(--cinza-tx);margin-top:14px;max-width:680px;margin-left:auto;margin-right:auto}

/* Differentials */
.diffs-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.diff{background:#fff;border:1px solid var(--cinza-bd);border-radius:18px;padding:28px 24px;transition:transform .2s, box-shadow .2s}
.diff:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--azul)}
.diff .icon{width:54px;height:54px;border-radius:14px;background:var(--azul-cl);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.diff .icon svg{width:28px;height:28px;fill:var(--azul)}
.diff h3{font-size:18px;color:var(--azul-esc);margin-bottom:10px;font-weight:800;line-height:1.25}
.diff p{font-size:15px;color:var(--cinza-tx);line-height:1.5}
.diff .big{font-size:30px;font-weight:800;color:var(--azul);display:block;margin-bottom:4px}

/* Lifestyle */
.lifestyle{background:linear-gradient(180deg,#fff 0%,var(--azul-cl) 100%)}
.lifestyle-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:30px}
.lifestyle-card{position:relative;border-radius:20px;overflow:hidden;aspect-ratio:4/3;box-shadow:var(--shadow)}
.lifestyle-card img{width:100%;height:100%;object-fit:cover;display:block}
.lifestyle-card .caption{position:absolute;left:0;right:0;bottom:0;padding:24px;background:linear-gradient(180deg,transparent 0%,rgba(15,45,74,.85) 100%);color:#fff}
.lifestyle-card .caption h3{font-size:22px;font-weight:800;margin-bottom:6px}
.lifestyle-card .caption p{font-size:14px;opacity:.92}

/* How it works */
.como{background:#fff}
.como-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:center}
.como-img{text-align:center}
.como-img img{margin:0 auto;max-width:420px;filter:drop-shadow(0 15px 30px rgba(15,45,74,.16))}
.stages{display:flex;flex-direction:column;gap:18px}
.stage{display:flex;gap:18px;background:#fff;padding:22px;border-radius:16px;border:1px solid var(--cinza-bd)}
.stage .num{width:46px;height:46px;border-radius:50%;flex-shrink:0;background:var(--azul);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:20px}
.stage:nth-child(2) .num{background:#3B7DB8}
.stage:nth-child(3) .num{background:var(--verde)}
.stage h4{font-size:18px;color:var(--azul-esc);margin-bottom:6px;font-weight:800}
.stage .tag{display:inline-block;background:var(--azul-cl);color:var(--azul);font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;margin-left:8px;vertical-align:middle}
.stage p{font-size:14.5px;color:var(--cinza-tx)}

/* Instalação */
.inst{background:linear-gradient(180deg,var(--azul-cl) 0%,#fff 100%)}
.inst-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.inst-img img{border-radius:14px;border:1px solid var(--cinza-bd);background:#fff;padding:18px}
.inst-list{display:flex;flex-direction:column;gap:14px}
.inst-item{display:flex;gap:14px;align-items:flex-start}
.inst-check{width:36px;height:36px;border-radius:50%;background:var(--verde);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-weight:800}
.inst-item div{padding-top:6px}
.inst-item b{color:var(--azul-esc)}

/* Comparativo */
.compare table{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
.compare th, .compare td{padding:18px 16px;text-align:center;font-size:15px;border-bottom:1px solid var(--cinza-bd)}
.compare thead th{background:#fafbfc;color:var(--azul-esc);font-weight:800;font-size:14px}
.compare thead th.us{background:linear-gradient(180deg,var(--azul) 0%,#2a6098 100%);color:#fff;position:relative}
.compare thead th.us::before{content:"NOSSO";position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--verde);color:#fff;font-size:11px;padding:4px 12px;border-radius:999px;font-weight:800;letter-spacing:1px}
.compare tbody td:first-child{text-align:left;font-weight:700;color:var(--azul-esc);background:#fafbfc}
.compare tbody td.us{background:rgba(31,176,105,.06);font-weight:700;color:var(--azul-esc)}
.compare tbody tr:last-child td{border-bottom:0}
.check{display:inline-flex;width:24px;height:24px;border-radius:50%;background:var(--verde);color:#fff;align-items:center;justify-content:center;font-weight:800;font-size:14px}
.cross{display:inline-flex;width:24px;height:24px;border-radius:50%;background:#eaeef2;color:#9aa3ad;align-items:center;justify-content:center;font-weight:800;font-size:14px}

/* Calculadora */
.calc{background:linear-gradient(135deg,var(--azul-esc) 0%,var(--azul) 100%);color:#fff;border-radius:24px;padding:60px 50px;display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;position:relative;overflow:hidden}
.calc::before{content:"";position:absolute;width:400px;height:400px;border-radius:50%;background:rgba(255,255,255,.05);top:-150px;right:-100px}
.calc::after{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:rgba(31,176,105,.18);bottom:-120px;left:-80px}
.calc-text{position:relative;z-index:1}
.calc-text .kicker{font-size:13px;font-weight:700;color:#7fd6a8;letter-spacing:2px;text-transform:uppercase;margin-bottom:10px}
.calc-text h2{font-size:36px;font-weight:800;line-height:1.15;margin-bottom:18px;letter-spacing:-.5px}
.calc-text p{opacity:.85;font-size:16px;margin-bottom:6px}
.calc-form{position:relative;z-index:1;background:#fff;color:var(--texto);border-radius:18px;padding:28px;box-shadow:var(--shadow-lg)}
.calc-form label{display:block;font-size:13px;font-weight:700;color:var(--cinza-tx);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}
.calc-form .field{margin-bottom:16px}
.calc-form input[type=number]{width:100%;padding:14px 16px;font-size:18px;border:1.5px solid var(--cinza-bd);border-radius:12px;font-weight:600;color:var(--azul-esc)}
.calc-form input[type=number]:focus{outline:0;border-color:var(--azul)}
.calc-result{background:var(--azul-cl);border-radius:14px;padding:20px;text-align:center;margin-top:8px}
.calc-result .label{font-size:13px;color:var(--cinza-tx);font-weight:600;text-transform:uppercase;letter-spacing:.5px}
.calc-result .value{font-size:38px;font-weight:800;color:var(--azul-esc);margin:6px 0;line-height:1}
.calc-result .sub{font-size:13px;color:var(--cinza-tx)}

/* Depoimentos */
.deps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.dep{background:#fff;border:1px solid var(--cinza-bd);border-radius:18px;padding:28px}
.dep .stars{color:#FFB400;font-size:18px;margin-bottom:12px;letter-spacing:2px}
.dep .quote{font-size:16px;line-height:1.6;color:var(--texto);margin-bottom:18px;font-weight:500}
.dep .author{display:flex;align-items:center;gap:12px}
.dep .avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#3B7DB8,var(--azul));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px}
.dep .author .name{font-weight:700;color:var(--azul-esc);font-size:15px;line-height:1.2}
.dep .author .city{font-size:13px;color:var(--cinza-tx)}

/* FAQ */
.faq{background:#fafbfc}
.faq-list{max-width:780px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--cinza-bd);border-radius:14px;overflow:hidden}
.faq-item summary{padding:20px 22px;font-weight:700;color:var(--azul-esc);cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";width:30px;height:30px;border-radius:50%;background:var(--azul-cl);color:var(--azul);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;transition:transform .2s}
.faq-item[open] summary::after{content:"−"}
.faq-item .answer{padding:0 22px 22px;color:var(--cinza-tx);font-size:15.5px;line-height:1.65}

/* CTA final */
.cta-final{background:linear-gradient(135deg,var(--azul) 0%,var(--azul-esc) 100%);color:#fff;text-align:center;padding:70px 30px;border-radius:24px}
.cta-final h2{font-size:36px;font-weight:800;margin-bottom:14px;line-height:1.15;letter-spacing:-.5px}
.cta-final p{font-size:18px;opacity:.9;margin-bottom:28px;max-width:560px;margin-left:auto;margin-right:auto}
.cta-final .btn-wpp{background:var(--whatsapp);color:#fff}
.cta-final .small{margin-top:18px;font-size:13px;opacity:.7}

/* Footer */
footer{background:var(--azul-esc);color:#cfd8e1;padding:50px 0 30px;font-size:14px}
footer .grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:30px}
footer h4{color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:1.5px;margin-bottom:14px;font-weight:700}
footer p, footer li{margin-bottom:8px;line-height:1.6;list-style:none}
footer a:hover{color:#fff;text-decoration:underline}
footer .brand-logo-img{height:34px;margin-bottom:14px}
footer .legal{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:#7d8a99;font-size:13px}
footer .legal-links{display:flex;gap:18px;flex-wrap:wrap;margin:14px 0 18px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);justify-content:center}
footer .legal-links a{color:#cfd8e1;font-weight:600;font-size:13px;text-decoration:none}
footer .legal-links a:hover{color:#fff;text-decoration:underline}
footer .legal-links .sep{color:rgba(255,255,255,.25)}

/* Floating WhatsApp */
.fab{position:fixed;bottom:22px;right:22px;z-index:60;background:var(--whatsapp);color:#fff;
  width:62px;height:62px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 30px rgba(37,211,102,.45);transition:transform .2s}
.fab:hover{transform:scale(1.08)}
.fab svg{width:30px;height:30px;fill:#fff}
.fab::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:2px solid var(--whatsapp);animation:pulse 2s infinite}
@keyframes pulse{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.5);opacity:0}}

/* Mobile */
@media (max-width:920px){
  body{font-size:16px}
  section{padding:60px 0}
  .hero{padding:30px 0 50px}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero h1{font-size:36px}
  .hero p.lead{font-size:17px}
  .hero-img{order:-1}
  .hero-img .float-badge{display:none}
  .section-head h2{font-size:28px}
  .diffs-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .diff{padding:22px 20px}
  .lifestyle-grid{grid-template-columns:1fr;gap:16px}
  .como-grid{grid-template-columns:1fr;gap:30px}
  .como-img img{max-width:280px}
  .inst-grid{grid-template-columns:1fr;gap:30px}
  .compare{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .compare table{min-width:640px}
  .calc{grid-template-columns:1fr;padding:40px 26px;gap:30px}
  .calc-text h2{font-size:26px}
  .deps-grid{grid-template-columns:1fr;gap:16px}
  .cta-final{padding:50px 22px}
  .cta-final h2{font-size:26px}
  footer .grid{grid-template-columns:1fr 1fr;gap:26px}
  .topbar .desktop-only{display:none}
  .btn{padding:12px 16px;font-size:14px}
  .trust .row{justify-content:flex-start;gap:14px;overflow-x:auto;padding-bottom:6px}
  .trust-item{flex-shrink:0;font-size:13px}
}

/* Loja: wrappers de <picture> não alteram o layout */
picture{display:contents}
/* Loja: botões de compra */
.btn-buy{background:var(--azul);color:#fff}
.btn-buy:hover{background:var(--azul-esc);color:#fff}
.btn-buy-light{background:#fff;color:var(--azul-esc)}
.btn-buy-light:hover{background:var(--azul-cl);color:var(--azul-esc)}
.cta-final .btn-buy-light,.cta-final .btn-wpp{margin:0 6px 12px;vertical-align:middle}
.lp-actions{display:flex;align-items:center;gap:18px}
.lp-link{color:#d7e3ee;text-decoration:none;font-weight:600;font-size:14px}
.lp-link:hover{color:#fff}
.lp-link[aria-current="page"]{color:#fff}
.lp-cart{color:#fff;font-weight:700;font-size:14px;text-decoration:none;border:1.5px solid rgba(255,255,255,.35);border-radius:999px;padding:8px 14px;white-space:nowrap}
.lp-cart:hover{border-color:#fff;color:#fff}
.lp-cart span{background:var(--verde);border-radius:999px;padding:0 7px;margin-left:4px;font-size:12px}
@media (max-width:560px){.lp-actions{gap:10px}.lp-cart{padding:7px 12px;font-size:13px}}

/* =====================================================================
   TEMA v2 Tripla Ação — landing (lp.css). Design System "Purafiltra Loja", out/2026.
   Camada aditiva: só aparência. Nenhuma seção, formulário ou botão é removido.
   Fotos da campanha de lançamento em /assets/img/campanha/ (imagens geradas por IA:
   só ambientação, nunca em depoimentos). Para desfazer: apague deste comentário até o fim.
   ===================================================================== */
:root{
  --v2-hero:url("../img/campanha/01-cozinha-copo-16x9.webp?v=20261024");
  --v2-cta:url("../img/campanha/02-familia-cafe-16x9.webp");
  --v2-d1:url("../img/campanha/06-sob-a-pia.webp");
  --v2-d2:url("../img/campanha/05-crianca-agua.webp");
  --v2-d3:url("../img/campanha/01-cozinha-copo.webp?v=20261024");
  --v2-d4:url("../img/campanha/02-familia-cafe.webp");
  --v2-inst:url("../img/campanha/03-troca-refil-16x9.webp");
  --v2-calc:url("../img/campanha/04-hero-refis-16x9.webp");
}
/* Hero fotográfico: cozinha da campanha ao fundo, texto sobre véu azul-marinho */
.hero{color:#fff;padding:64px 0 84px;background:
  linear-gradient(100deg,rgba(15,45,74,.95) 0%,rgba(15,45,74,.86) 40%,rgba(15,45,74,.45) 68%,rgba(15,45,74,.15) 100%),
  var(--v2-hero) right center/cover no-repeat,var(--azul-esc)}
.hero::before{display:none}
.hero h1{color:#fff}
.hero h1 .accent{color:#8fe3b8}
.hero h1 .accent::after{background:rgba(31,176,105,.45)}
.hero p.lead{color:rgba(255,255,255,.9)}
.hero p.lead b{color:#fff}
.hero-eyebrow{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3);color:#fff;backdrop-filter:blur(6px)}
.hero-stats{border-top-color:rgba(255,255,255,.22)}
.hero-stats .num{color:#fff}
.hero-stats .lbl{color:rgba(255,255,255,.82)}
.hero .btn-buy{background:#fff;color:var(--azul-esc)}
.hero .btn-buy:hover{background:var(--azul-cl);color:var(--azul-esc)}
.hero .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.75)}
.hero-img img{background:#fff;padding:10px;border-radius:22px;filter:none;box-shadow:0 24px 60px rgba(0,0,0,.35)}
/* Diferenciais: cada razão ganha uma foto no topo do cartão */
.diff{overflow:hidden;padding-top:0}
.diff::before{content:"";display:block;margin:0 -24px 20px;aspect-ratio:16/10;background:var(--azul-cl) center/cover no-repeat}
.diffs-grid>.diff:nth-child(1)::before{background-image:var(--v2-d1)}
.diffs-grid>.diff:nth-child(2)::before{background-image:var(--v2-d2)}
.diffs-grid>.diff:nth-child(3)::before{background-image:var(--v2-d3)}
.diffs-grid>.diff:nth-child(4)::before{background-image:var(--v2-d4)}
.diff .icon{margin-top:-46px;position:relative;background:#fff;box-shadow:var(--shadow)}
/* Instalação: faixa com a troca do refil acima da lista */
.inst .section-head::after{content:"";display:block;margin:34px auto 0;max-width:880px;aspect-ratio:16/7;border-radius:20px;
  background:var(--v2-inst) center 40%/cover no-repeat;box-shadow:var(--shadow)}
/* Calculadora e CTA final sobre foto */
.calc{background:linear-gradient(135deg,rgba(15,45,74,.94) 0%,rgba(31,78,121,.9) 100%),var(--v2-calc) center/cover no-repeat}
.cta-final{background:linear-gradient(0deg,rgba(15,45,74,.88),rgba(15,45,74,.88)),var(--v2-cta) center 35%/cover no-repeat}
@media (max-width:920px){
  .hero{padding:40px 0 56px;background:
    linear-gradient(180deg,rgba(15,45,74,.55) 0%,rgba(15,45,74,.92) 45%,var(--azul-esc) 100%),
    var(--v2-hero) 75% 0/cover no-repeat,var(--azul-esc)}
  .inst .section-head::after{aspect-ratio:16/9}
}
@media (prefers-reduced-motion:reduce){.diff:hover{transform:none}}


/* ===== TEMA v2.1 Tripla Ação (21/10/2026): mais destaque às fotos dos 4 diferenciais ===== */
.diff::before { aspect-ratio: 4 / 3; margin-bottom: 22px; }

/* TEMA v2.4: cantos arredondados na foto dos cartuchos (mesmo raio das outras fotos) */
.como-img img { border-radius: 22px; }

/* ===== Purafiltra — micro-animações v2.8. Para desfazer: apague este bloco até o fim do arquivo. ===== */
@media (prefers-reduced-motion: no-preference) {
  /* surgir ao rolar */
  .pf-motion .pf-rv { opacity: 0; transform: translateY(26px) scale(.985); transition: opacity .75s cubic-bezier(.2,.7,.2,1) var(--pf-d, 0ms), transform .75s cubic-bezier(.2,.7,.2,1) var(--pf-d, 0ms); }
  .pf-motion .pf-rv.pf-in { opacity: 1; transform: none; }

  /* cards e fotos */
  .product-card, .diff, .lifestyle-card, .catalog-feature, .r-path, .r-dossier-grid > *, .deps-grid > * { transition: transform .35s cubic-bezier(.2,.7,.2,1), box-shadow .35s ease; }
  .product-card:hover, .diff:hover, .lifestyle-card:hover, .r-path:hover, .deps-grid > *:hover { transform: translateY(-6px); box-shadow: 0 22px 44px rgba(15, 45, 74, .16); }
  .card-media, .lifestyle-card, .catalog-feature-media, .r-photo, .product-media { overflow: hidden; }
  .card-media img, .lifestyle-card img, .catalog-feature-media img, .r-photo img { transition: transform .8s cubic-bezier(.2,.7,.2,1); }
  .product-card:hover .card-media img, .lifestyle-card:hover img, .catalog-feature:hover .catalog-feature-media img, .r-photo:hover img { transform: scale(1.07); }
  .diff::before, .r-card::before { transition: transform .8s cubic-bezier(.2,.7,.2,1), filter .5s; }
  .diff:hover::before, .r-card:hover::before { filter: saturate(1.12) brightness(1.03); }

  /* botões: brilho que atravessa + clique em onda */
  .btn, .r-btn, .btn-buy { transition: transform .2s ease, box-shadow .25s ease, background-color .25s, color .25s; }
  .btn:hover, .r-btn:hover, .btn-buy:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(15, 45, 74, .18); }
  .btn:active, .r-btn:active { transform: translateY(0) scale(.98); }
  .pf-has-ripple { overflow: hidden; isolation: isolate; }
  .pf-ripple { position: absolute; border-radius: 50%; background: rgba(255, 255, 255, .45); transform: scale(0); animation: pf-ripple .65s ease-out forwards; pointer-events: none; z-index: 0; }
  @keyframes pf-ripple { to { transform: scale(1); opacity: 0; } }
  .btn-buy, .r-btn-primary, .product-card .btn-block, .catalog-feature .btn:not(.btn-ghost), .add-to-cart, form[action$="/carrinho/adicionar"] .btn:not(.btn-ghost) { position: relative; overflow: hidden; }
  .btn-buy::after, .r-btn-primary::after, .product-card .btn-block::after, .catalog-feature .btn:not(.btn-ghost)::after, form[action$="/carrinho/adicionar"] .btn:not(.btn-ghost)::after {
    content: ""; position: absolute; top: 0; left: -60%; width: 40%; height: 100%; pointer-events: none;
    background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .35), transparent); transform: skewX(-18deg); animation: pf-shine 5.5s ease-in-out infinite;
  }
  @keyframes pf-shine { 0%, 72% { left: -60%; } 100% { left: 130%; } }
  .pf-pop { animation: pf-pop .45s cubic-bezier(.3,1.6,.5,1); }
  @keyframes pf-pop { 40% { transform: scale(1.06); } 100% { transform: none; } }

  /* hero: gotas, brilho e flutuação */
  .pf-hero-media { position: relative; }
  .pf-hero-media img { transition: transform .6s cubic-bezier(.2,.7,.2,1); will-change: transform; }
  .pf-hero-media > picture, .pf-hero-media > img { animation: pf-float 7s ease-in-out infinite; display: block; }
  @keyframes pf-float { 50% { translate: 0 -8px; } }
  .pf-drops { position: absolute; inset: 0; overflow: hidden; pointer-events: none; border-radius: inherit; z-index: 2; }
  .pf-drops i { position: absolute; bottom: -20px; border-radius: 50%; background: radial-gradient(circle at 32% 30%, rgba(255,255,255,.95), rgba(190,228,255,.55) 45%, rgba(120,190,240,.15) 70%, transparent 72%); box-shadow: inset 0 0 0 1px rgba(255,255,255,.35); opacity: 0; animation-name: pf-rise; animation-timing-function: cubic-bezier(.4,.1,.6,1); animation-iteration-count: infinite; }
  @keyframes pf-rise { 0% { transform: translateY(0) translateX(0); opacity: 0; } 12% { opacity: .9; } 70% { opacity: .7; } 100% { transform: translateY(-420px) translateX(18px); opacity: 0; } }
  .pf-sheen { position: absolute; inset: 0; pointer-events: none; border-radius: inherit; z-index: 3; overflow: hidden; }
  .pf-sheen::before { content: ""; position: absolute; top: -20%; left: -50%; width: 35%; height: 140%; background: linear-gradient(100deg, transparent, rgba(255,255,255,.22), transparent); transform: rotate(8deg); animation: pf-sheen 7.5s ease-in-out infinite 1.2s; }
  @keyframes pf-sheen { 0%, 65% { left: -50%; } 100% { left: 130%; } }

  /* voo até o carrinho */
  .pf-fly { position: fixed; z-index: 9999; object-fit: cover; border-radius: 50%; box-shadow: 0 12px 30px rgba(15,45,74,.3); pointer-events: none; transition: transform .7s cubic-bezier(.5,-.3,.6,1), opacity .7s ease; }
  .pf-bump { animation: pf-bump .5s cubic-bezier(.3,1.7,.5,1); display: inline-block; }
  @keyframes pf-bump { 40% { transform: scale(1.25); } 100% { transform: none; } }

  /* galeria */
  .pf-swap { animation: pf-swap .45s ease; }
  @keyframes pf-swap { from { opacity: .25; transform: scale(1.02); } to { opacity: 1; transform: none; } }
  .product-thumbs button, .product-thumbs a, .product-thumbs img { transition: transform .25s ease, box-shadow .25s ease; }
  .product-thumbs button:hover, .product-thumbs a:hover { transform: translateY(-3px); }

  /* preço no Pix pulsa uma vez ao aparecer */
  .pix-price { display: inline-block; animation: pf-glow 2.4s ease-out 1 .6s; }
  @keyframes pf-glow { 30% { transform: scale(1.06); text-shadow: 0 0 14px rgba(29, 150, 80, .35); } 100% { transform: none; text-shadow: none; } }

  /* WhatsApp */
  .pf-nudge { animation: pf-nudge 9s ease-in-out infinite 4s; }
  @keyframes pf-nudge { 0%, 88%, 100% { transform: none; } 91% { transform: translateY(-6px) rotate(-6deg); } 94% { transform: translateY(0) rotate(5deg); } 97% { transform: translateY(-3px) rotate(-2deg); } }

  /* FAQ */
  details summary { transition: color .2s; }
  details[open] > *:not(summary) { animation: pf-open .35s ease; }
  @keyframes pf-open { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
}

/* ===== TEMA v2.9 — seção "Troca do refil" (depois da Instalação) ===== */
.troca{background:#fff}
.troca .section-head p{max-width:640px;margin:14px auto 0;color:var(--cinza-tx)}
.troca-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.troca-step{display:flex;flex-direction:column;gap:14px}
.troca-img img{display:block;width:100%;height:auto;border-radius:16px;border:1px solid var(--cinza-bd);background:var(--azul-cl)}
.troca-txt{display:flex;gap:10px;align-items:flex-start;font-size:15px;line-height:1.45}
.troca-txt .inst-check{width:30px;height:30px;font-size:14px}
.troca-txt div{padding-top:4px}
.troca-txt b{color:var(--azul-esc);display:block}
.troca-more{text-align:center;margin:34px 0 0}
@media (max-width:920px){.troca-steps{grid-template-columns:repeat(3,1fr)}}
@media (max-width:560px){.troca-steps{grid-template-columns:1fr 1fr;gap:14px}.troca-txt{font-size:14px}}