/* =========================================================
   Mini Bike Ergométrica "Sênior" — Landing Page
   Recriação da página de produto de A Loja Sênior
   ========================================================= */

:root{
  --text:#1d1d1d;
  --heading:#1d1d1d;
  --bg:#f7f7f7;
  --white:#ffffff;
  --accent:#97184a;          /* bordô da marca */
  --accent-dark:#550e2a;
  --accent-soft:rgba(151,24,74,.08);
  --success:#02c15a;          /* verde botão / preço */
  --success-dark:#02a84e;
  --price-old:#f71b1b;
  --star:#ffb647;
  --border:#e3e3e3;
  --radius:10px;
  --container:1200px;
  --font:"Poppins",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  font-weight:500;
  color:var(--text);
  background:var(--bg);
  font-size:15px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
[hidden]{display:none!important}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-dark)}
h1,h2,h3,h4{font-weight:600;color:var(--heading);line-height:1.3}

.container{max-width:var(--container);margin:0 auto;padding:0 20px}

/* ================= TOP BAR ================= */
.topbar{
  background:linear-gradient(90deg,#7a0f38,#97184a 50%,#7a0f38);
  color:#fff;
  font-size:13px;
  font-weight:500;
}
.topbar__inner{
  display:flex;justify-content:center;gap:40px;
  padding:9px 20px;flex-wrap:wrap;
}
.topbar span{display:inline-flex;align-items:center;gap:7px}
.topbar svg{opacity:.9}

/* ================= HEADER ================= */
.header{background:var(--white);position:sticky;top:0;z-index:50;box-shadow:0 1px 0 rgba(151,24,74,.12)}
.header__inner{
  display:flex;align-items:center;gap:28px;
  padding:16px 20px;
}
.header__logo img{width:180px;height:auto}
.header__search{
  flex:1;display:flex;max-width:520px;
  border:1.5px solid rgba(151,24,74,.3);border-radius:6px;overflow:hidden;
}
.header__search input{
  flex:1;border:0;padding:11px 14px;font-family:inherit;font-size:14px;outline:none;
}
.header__search button{
  border:0;background:transparent;color:var(--accent);padding:0 14px;cursor:pointer;
}
.header__actions{display:flex;align-items:center;gap:22px;margin-left:auto}
.header__account{display:flex;flex-direction:column;line-height:1.35}
.header__link-strong{font-weight:600;color:var(--accent);font-size:13px}
.header__link{color:var(--text);font-size:13px}
.header__action{
  display:flex;flex-direction:column;align-items:center;gap:3px;
  color:var(--text);font-size:12px;font-weight:500;position:relative;
}
.header__action svg{color:var(--accent)}
.header__cart-count{
  position:absolute;top:-6px;right:2px;background:var(--accent);color:#fff;
  font-size:10px;font-weight:600;width:16px;height:16px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
}

/* ================= PRODUCT ================= */
.product{
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;
  background:var(--white);border-radius:var(--radius);
  padding:32px;margin-bottom:32px;
  box-shadow:0 2px 14px rgba(0,0,0,.04);
}

/* ---- Gallery ---- */
.product__gallery{display:flex;gap:16px}
.gallery__thumbs{display:flex;flex-direction:column;gap:10px}
.gallery__thumb{
  width:66px;height:66px;border:2px solid var(--border);border-radius:8px;
  overflow:hidden;background:#fff;cursor:pointer;padding:0;
}
.gallery__thumb.is-active{border-color:var(--success)}
.gallery__thumb img{width:100%;height:100%;object-fit:cover}
.gallery__main{
  flex:1;border:1px solid var(--border);border-radius:10px;overflow:hidden;
  display:flex;align-items:center;justify-content:center;background:#fff;
}
.gallery__main img{width:100%;height:auto}

/* ---- Info ---- */
.product__eyebrow{font-size:12px;color:#9a9a9a;text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}
.product__title{
  font-size:26px;line-height:1.25;margin-bottom:12px;display:inline;
}
.product__verified{vertical-align:middle;margin-left:4px}
.product__rating{display:flex;align-items:center;gap:10px;margin:14px 0 18px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.stars{color:var(--star);letter-spacing:2px;font-size:15px}
.product__rating a{font-size:13px;color:#6a6a6a;text-decoration:underline}

.product__price{margin-bottom:16px}
.price__label{font-size:13px;color:#8a8a8a}
.price__row{display:flex;align-items:baseline;gap:10px;margin:4px 0}
.price__now{color:var(--success);font-size:34px;font-weight:700}
.price__unit-note{font-size:13px;color:#555;font-weight:600;margin:0 0 2px}
.price__installments{font-size:14px;color:var(--text);margin:2px 0 8px}

.product__viewers{
  display:flex;align-items:center;gap:8px;font-size:13px;color:#555;
  background:var(--accent-soft);padding:9px 12px;border-radius:6px;margin-bottom:18px;
}
.product__viewers .dot{width:9px;height:9px;border-radius:50%;background:#e23b3b;animation:pulse 1.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}

/* ---- Seletor visual de ofertas ---- */
.offer-selector{display:grid;gap:10px;margin:10px 0 18px}
.offer{
  position:relative;display:flex;align-items:center;gap:10px;width:100%;
  text-align:left;background:#fff;border:2px solid var(--border);border-radius:10px;
  padding:12px;cursor:pointer;font-family:inherit;color:var(--text);
  transition:border-color .15s,box-shadow .15s;
}
.offer:hover{border-color:#bdbdbd}
.offer.is-active{border-color:var(--success);box-shadow:0 0 0 3px rgba(2,193,90,.16)}
.offer--featured{border-color:rgba(2,193,90,.55);background:rgba(2,193,90,.04)}
.offer--featured.is-active{background:#fff}
.offer__check{
  flex:0 0 auto;width:19px;height:19px;border-radius:50%;border:2px solid #c9c9c9;
  position:relative;transition:border-color .15s;
}
.offer.is-active .offer__check{border-color:var(--success)}
.offer.is-active .offer__check::after{content:"";position:absolute;inset:3px;border-radius:50%;background:var(--success)}
.offer__thumb{
  flex:0 0 auto;width:52px;height:52px;border-radius:8px;overflow:hidden;
  background:#f4f4f4;border:1px solid var(--border);
}
.offer__thumb img{width:100%;height:100%;object-fit:contain;display:block}
.offer__body{flex:1 1 auto;display:flex;flex-direction:column;gap:2px;min-width:0}
.offer__qty{font-size:14px;font-weight:700;letter-spacing:.3px}
.offer__name{font-size:12.5px;color:#666}
.offer__aux{font-size:11.5px;color:#8a8a8a;line-height:1.35}
.offer__pricing{flex:0 0 auto;text-align:right;display:flex;flex-direction:column;gap:1px}
.offer__total{font-size:16px;font-weight:700;color:var(--success);white-space:nowrap}
.offer__unit{font-size:11px;color:#555;font-weight:600;white-space:nowrap}
.offer__tag{
  position:absolute;top:-9px;left:14px;
  background:var(--success);color:#fff;font-size:9.5px;font-weight:700;
  letter-spacing:.4px;padding:2px 9px;border-radius:20px;text-transform:uppercase;
}
.offer__tag--family{background:var(--accent)}

.product__perks{list-style:none;display:grid;gap:14px;margin-bottom:22px;padding-top:18px;border-top:1px solid var(--border)}
.product__perks li{display:flex;align-items:center;gap:12px;font-size:13px;line-height:1.4}
.product__perks strong{font-weight:600}
.perk__correios{width:26px;height:26px;object-fit:contain}

.btn-buy{
  width:100%;background:var(--success);color:#fff;border:0;
  font-family:inherit;font-size:18px;font-weight:600;
  padding:16px;border-radius:8px;cursor:pointer;
  box-shadow:0 6px 16px rgba(2,193,90,.35);
  transition:transform .12s,background .2s;
}
.btn-buy:hover{background:var(--success-dark);transform:translateY(-1px)}
.btn-buy:active{transform:translateY(0)}

.product__accept{margin-top:16px;text-align:center}
.product__accept>span{font-size:12px;color:#8a8a8a}
.paymethods{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:8px}
.pm{
  font-size:10px;font-weight:700;letter-spacing:.5px;color:#555;
  background:#f1f1f1;border:1px solid #e0e0e0;border-radius:4px;padding:4px 7px;
}
.pm--pix{background:var(--success);color:#fff;border-color:var(--success)}

/* ================= DESCRIPTION ================= */
.description{
  background:var(--white);border-radius:var(--radius);
  padding:44px 32px;margin-bottom:32px;text-align:center;
  box-shadow:0 2px 14px rgba(0,0,0,.04);
}
.rte h2{font-size:23px;margin:0 auto 18px;max-width:780px}
.rte h3{font-size:19px;margin:26px 0 12px}
.rte p{max-width:760px;margin:0 auto 14px;color:#3a3a3a}
.rte strong{font-weight:600;color:var(--text)}
.rte hr{border:0;border-top:1px solid var(--border);max-width:680px;margin:26px auto}
.video-wrapper{
  max-width:384px;margin:24px auto;aspect-ratio:9/16;
  border-radius:12px;overflow:hidden;box-shadow:0 8px 24px rgba(0,0,0,.15);
}
.video-wrapper iframe{width:100%;height:100%;border:0}

/* ================= SECURE ================= */
.secure{
  background:var(--white);border-radius:var(--radius);
  padding:32px;margin-bottom:32px;text-align:center;
  box-shadow:0 2px 14px rgba(0,0,0,.04);
}
.secure h3{font-size:18px;margin-bottom:18px}
.secure__badges{display:flex;justify-content:center;align-items:center;gap:28px;flex-wrap:wrap;margin-bottom:16px;background:var(--accent);padding:16px 22px;border-radius:8px}
.secure__badges img{height:34px;width:auto;object-fit:contain}
.secure p{max-width:640px;margin:0 auto;font-size:13px;color:#777}

/* ================= REVIEWS ================= */
.reviews{
  background:var(--white);border-radius:var(--radius);
  padding:36px 32px;margin-bottom:40px;
  box-shadow:0 2px 14px rgba(0,0,0,.04);
}
.reviews>h2{font-size:22px;margin-bottom:24px;text-align:center}
.reviews__summary{
  display:grid;grid-template-columns:auto 1fr auto;gap:36px;align-items:center;
  padding-bottom:24px;border-bottom:1px solid var(--border);margin-bottom:24px;
}
.reviews__score{display:flex;flex-direction:column;align-items:center;gap:4px}
.reviews__num{font-size:42px;font-weight:700;color:var(--text);line-height:1}
.reviews__score .stars{font-size:16px}
.reviews__count{font-size:12px;color:#8a8a8a}
.reviews__bars{display:grid;gap:6px}
.bar{display:grid;grid-template-columns:70px 1fr 28px;gap:10px;align-items:center;font-size:12px;color:#777}
.bar__track{height:8px;background:#eee;border-radius:5px;overflow:hidden}
.bar__track i{display:block;height:100%;background:var(--star)}
.btn-outline{
  border:1.5px solid var(--accent);color:var(--accent);background:transparent;
  font-family:inherit;font-weight:600;font-size:13px;padding:11px 18px;border-radius:6px;cursor:pointer;white-space:nowrap;
}
.btn-outline:hover{background:var(--accent);color:#fff}

.reviews__photos{display:flex;gap:12px;margin-bottom:24px;flex-wrap:wrap}
.reviews__photos img{height:130px;width:auto;border-radius:8px;border:1px solid var(--border)}

.reviews__list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.review{border:1px solid var(--border);border-radius:10px;padding:18px}
.review__head{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.review__avatar{
  width:36px;height:36px;border-radius:50%;background:var(--accent-soft);color:var(--accent);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;text-transform:uppercase;
}
.review__head strong{display:block;font-size:13px}
.review__verified{font-size:11px;color:var(--success);font-weight:500}
.review .stars{font-size:13px}
.review h4{font-size:14px;margin:8px 0 4px}
.review p{font-size:13px;color:#555}

.reviews__pager{display:flex;justify-content:center;gap:8px;margin-top:28px}
.reviews__pager button{
  width:34px;height:34px;border:1px solid var(--border);background:#fff;border-radius:6px;
  font-family:inherit;font-weight:600;font-size:13px;cursor:pointer;color:var(--text);
}
.reviews__pager button.is-active{background:var(--accent);color:#fff;border-color:var(--accent)}

/* ================= FOOTER ================= */
.footer{background:var(--accent);color:#fff;margin-top:auto}
.footer__inner{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:32px;padding:44px 20px}
.footer__logo{width:150px;filter:brightness(0) invert(1);margin-bottom:12px}
.footer__col h4{color:#fff;font-size:14px;margin-bottom:14px}
.footer__col a{display:block;color:rgba(255,255,255,.85);font-size:13px;margin-bottom:8px}
.footer__col a:hover{color:#fff}
.footer__col p{font-size:13px;color:rgba(255,255,255,.85);max-width:320px}
.footer .paymethods{justify-content:flex-start}
.footer .pm{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.25);color:#fff}
.footer__bottom{background:rgba(0,0,0,.15);font-size:12px;padding:14px 0;text-align:center;color:rgba(255,255,255,.8)}

/* ================= STICKY BUY (mobile) ================= */
.stickybuy{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  display:none;align-items:center;gap:14px;
  background:#fff;border-top:1px solid var(--border);
  padding:10px 16px;box-shadow:0 -4px 16px rgba(0,0,0,.1);
}
.stickybuy__info{display:flex;flex-direction:column;line-height:1.2;flex:0 0 auto}
.stickybuy__label{font-size:11px;color:#666;font-weight:600}
.stickybuy__now{font-size:19px;font-weight:700;color:var(--success)}
.stickybuy .btn-buy{flex:1;font-size:16px;padding:13px}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ================= RESPONSIVE ================= */
@media(max-width:980px){
  .product{grid-template-columns:1fr;gap:28px;padding:22px}
  .reviews__summary{grid-template-columns:1fr;gap:20px;text-align:center}
  .bar{margin:0 auto;max-width:320px;width:100%}
  .reviews__list{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr 1fr}
}
@media(max-width:820px){
  .header__inner{flex-wrap:wrap}
  .header__search{order:3;max-width:100%;flex-basis:100%}
  .header__actions{margin-left:0;gap:16px}
  .topbar__inner{gap:18px;font-size:11.5px}
}
@media(max-width:640px){
  .product__gallery{flex-direction:column-reverse}
  .gallery__thumbs{flex-direction:row;flex-wrap:wrap}
  .product__title{font-size:21px}
  .price__now{font-size:28px}
  .description{padding:28px 18px}
  .reviews{padding:24px 16px}
  .footer__inner{grid-template-columns:1fr}
  .stickybuy{display:flex}
  body{padding-bottom:74px}
  .btn-buy{font-size:16px}
  .offer__aux{font-size:11px}
}
@media(max-width:400px){
  .offer{padding:11px 9px;gap:8px}
  .offer__qty{font-size:13px}
  .offer__total{font-size:15px}
  .offer__tag{left:9px;font-size:9px}
  .offer__thumb{width:44px;height:44px}
}