:root{
  --bg:#fbf6ef;
  --surface:#ffffff;
  --ink:#2b2320;
  --ink-soft:#6b5c52;
  --line:#ecdfd0;
  --gold:#a9812f;
  --gold-deep:#7c5e22;
  --rose:#b5433f;
  --rose-deep:#93332f;
  --good:#3f7a52;
  --good-soft:#e5f0e7;
  --shadow:0 8px 24px rgba(43,35,32,.08);
  --radius:14px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.55; padding-bottom:74px;
}
h1,h2,h3{font-family:Georgia,"Iowan Old Style","Palatino Linotype",serif; font-weight:400; line-height:1.2; margin:0 0 14px;}
h1{font-size:clamp(26px,6vw,36px)}
h2{font-size:clamp(22px,5vw,28px)}
h3{font-size:19px}
p{margin:0 0 12px; color:var(--ink-soft)}
img{max-width:100%; height:auto; display:block}
a{color:inherit}

section{padding:48px 20px; max-width:640px; margin:0 auto}
.section-sub{color:var(--ink-soft); margin-top:-6px}

.btn{
  display:inline-block; text-align:center; text-decoration:none; font-weight:700;
  padding:16px 28px; border-radius:999px; font-size:16px; cursor:pointer; border:none;
  transition:transform .15s ease, box-shadow .15s ease;
}
.btn-primary{background:var(--rose); color:#fff; box-shadow:0 6px 18px rgba(181,67,63,.35)}
.btn-primary:active{transform:scale(.98)}
.btn-hero{margin-top:18px; width:100%}

/* social toast */
.social-toast{
  position:fixed; left:12px; bottom:86px; z-index:40; background:var(--surface);
  border:1px solid var(--line); border-radius:12px; padding:10px 14px; font-size:13px;
  box-shadow:var(--shadow); max-width:260px; animation:toast-in .4s ease, toast-out .4s ease 6s forwards;
}
.social-toast strong{color:var(--rose)}
@keyframes toast-in{from{opacity:0; transform:translateY(10px)} to{opacity:1; transform:translateY(0)}}
@keyframes toast-out{to{opacity:0; visibility:hidden}}

/* hero */
.hero{text-align:center; padding-top:28px}
.hero-badge{
  display:inline-block; background:var(--gold); color:#fff; font-size:12.5px; font-weight:700;
  padding:6px 14px; border-radius:999px; margin-bottom:16px; letter-spacing:.02em;
}
.logo{margin:0 auto 18px}
.hero-sub{max-width:46ch; margin:14px auto 0}
.hero-media{position:relative; margin-top:24px; border-radius:var(--radius); overflow:hidden; background:var(--surface); box-shadow:var(--shadow)}
.hero-video{width:100%; display:block}
.hero-video[hidden]{display:none}
.hero-fallback-img{width:100%}
.trust-row{
  list-style:none; margin:22px 0 0; padding:0; display:flex; flex-direction:column; gap:6px;
  font-size:13px; color:var(--ink-soft);
}

/* offer teaser */
.offer-teaser{padding-top:0; padding-bottom:0}
.offer-teaser-card{
  display:flex; align-items:center; justify-content:space-between; gap:14px;
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
  padding:16px 18px; box-shadow:var(--shadow);
}
.offer-teaser-label{font-size:12.5px; color:var(--ink-soft); margin:0}
.offer-teaser-price{font-family:Georgia,serif; font-size:22px; color:var(--rose); margin:2px 0 0}
.offer-teaser-price span{display:block; font-family:var(--sans,inherit); font-size:11.5px; color:var(--ink-soft)}
.offer-teaser .btn{padding:12px 18px; font-size:13.5px; white-space:nowrap}

/* ingredients */
.how-it-works{text-align:center}
.ingredients{display:grid; gap:16px; margin:24px 0; text-align:left}
.ingredient{background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:18px}
.ingredient h3{color:var(--gold-deep); font-size:17px; margin-bottom:6px}

/* science */
.science{text-align:center}
.science-img{border-radius:var(--radius); margin-bottom:20px}
.stats{display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin:20px 0}
.stat-num{display:block; font-family:Georgia,serif; font-size:34px; color:var(--rose)}
.stat p{font-size:13px; margin-top:4px}

/* benefits */
.benefits{text-align:center}
.benefit-grid{display:grid; gap:16px; text-align:left; margin-bottom:28px}
.benefit{background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:18px}

/* video testimonials */
.video-testimonials{text-align:center}
.video-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:10px; margin:20px 0 28px}
.video-slot{
  position:relative; aspect-ratio:9/16; border-radius:12px; overflow:hidden; background:#000;
  box-shadow:var(--shadow);
}
.video-slot video, .video-slot img{width:100%; height:100%; object-fit:cover; position:absolute; inset:0}
.video-slot video{cursor:pointer}
.video-play{
  position:absolute; inset:0; margin:auto; width:44px; height:44px; border-radius:50%;
  background:rgba(255,255,255,.9); border:none; font-size:16px; color:var(--rose); cursor:pointer;
}
.video-slot.is-playing .video-play{display:none}
.video-empty-state{
  position:absolute; inset:0; display:none; align-items:center; justify-content:center;
  background:rgba(20,15,12,.55); color:#fff; font-size:12px; text-align:center; padding:8px;
}
.video-slot.is-empty .video-empty-state{display:flex}
.video-slot.is-empty .video-play{display:none}
.video-caption{
  position:absolute; bottom:8px; left:0; right:0; color:#fff; font-size:12px; font-weight:600;
  text-shadow:0 1px 3px rgba(0,0,0,.6); margin:0;
}
.testimonial-quote{border-left:3px solid var(--gold); padding-left:16px; text-align:left; margin:0}
.testimonial-quote p{font-style:italic}
.testimonial-quote cite{font-weight:700; color:var(--ink); font-style:normal}

/* expert */
.expert{display:flex; gap:18px; align-items:center; background:var(--surface); border-radius:var(--radius); box-shadow:var(--shadow)}
.expert-img{width:96px; height:96px; border-radius:50%; object-fit:cover; flex:0 0 auto}
.expert blockquote{margin:0}
.expert p{font-style:italic; font-size:14.5px}
.expert cite{font-weight:700; font-style:normal; color:var(--ink); display:block}
.expert cite span{display:block; font-weight:400; color:var(--ink-soft); font-size:13px}

/* offers */
.offers{text-align:center}
.offer-grid{display:grid; gap:20px; margin-top:24px}
.offer-card{
  position:relative; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
  padding:22px 18px; box-shadow:var(--shadow);
}
.offer-featured{border:2px solid var(--rose)}
.offer-flag{
  position:absolute; top:-12px; left:50%; transform:translateX(-50%); background:var(--rose); color:#fff;
  font-size:11px; font-weight:700; letter-spacing:.04em; padding:5px 14px; border-radius:999px;
}
.offer-flag-alt{background:var(--gold-deep)}
.offer-card img{width:160px; margin:0 auto 14px}
.offer-qty{color:var(--ink-soft); font-size:13px; text-transform:uppercase; letter-spacing:.04em}
.offer-price{font-size:15px}
.offer-price .was{text-decoration:line-through; color:var(--ink-soft); margin-right:8px}
.offer-price .now{font-family:Georgia,serif; font-size:26px; color:var(--rose)}
.offer-save{color:var(--good); font-weight:600; font-size:13.5px}
.offer-unit{font-size:13px; color:var(--ink-soft)}
.offer-shipping{font-size:13px; color:var(--good)}
.offer-card .btn{width:100%; margin-top:10px}
.offer-trust{font-size:11.5px; color:var(--ink-soft); margin-top:8px}
.offer-rating{color:var(--gold); font-size:13px; margin-top:4px}

/* reviews */
.reviews{text-align:center}
.review-grid{display:grid; gap:14px; text-align:left; margin:24px 0}
.review{background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:16px}
.review-head{display:flex; align-items:center; gap:10px; margin-bottom:8px}
.avatar-wrap{position:relative; width:36px; height:36px; flex:0 0 auto}
.avatar{
  width:36px; height:36px; border-radius:50%; background:var(--gold); color:#fff; font-weight:700;
  display:flex; align-items:center; justify-content:center; flex:0 0 auto;
}
.avatar-photo{
  position:absolute; inset:0; width:36px; height:36px; border-radius:50%; object-fit:cover;
  display:none;
}
.avatar-photo.is-loaded{display:block}
.avatar-photo.is-loaded + .avatar{display:none}
.review-head small{display:block; color:var(--ink-soft); font-size:12px}
.review p{font-size:14.5px}
.verified{color:var(--good); font-size:12px; font-weight:600}
.join-line{font-weight:600; margin:18px 0}

/* guarantee */
.guarantee{text-align:center}
.guarantee-badge{
  display:inline-block; margin-top:8px; background:var(--good-soft); color:var(--good);
  font-weight:700; padding:10px 20px; border-radius:999px;
}

/* faq */
.faq{text-align:center}
.faq-list{text-align:left; margin-top:20px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{
  width:100%; text-align:left; background:none; border:none; padding:16px 4px; font-size:15.5px;
  font-weight:600; color:var(--ink); cursor:pointer; display:flex; justify-content:space-between; gap:12px;
}
.faq-question::after{content:"+"; color:var(--rose); font-size:20px; flex:0 0 auto}
.faq-item.open .faq-question::after{content:"–"}
.faq-answer{max-height:0; overflow:hidden; transition:max-height .25s ease}
.faq-answer p{padding:0 4px 16px; font-size:14.5px}
.faq-item.open .faq-answer{max-height:240px}

/* whatsapp float */
.whatsapp-float{
  position:fixed; right:16px; bottom:88px; z-index:40; width:56px; height:56px; border-radius:50%;
  background:#25D366; color:#fff; display:flex; align-items:center; justify-content:center;
  box-shadow:0 6px 16px rgba(0,0,0,.25); text-decoration:none;
}

/* sticky mobile CTA */
.sticky-cta{
  position:fixed; left:0; right:0; bottom:0; z-index:50; background:var(--surface);
  border-top:1px solid var(--line); padding:10px 16px; display:flex; align-items:center;
  justify-content:space-between; gap:14px; box-shadow:0 -6px 18px rgba(0,0,0,.08);
  transform:translateY(100%); transition:transform .25s ease;
}
.sticky-cta.is-visible{transform:translateY(0)}
.sticky-cta-label{display:block; font-size:11.5px; color:var(--ink-soft)}
.sticky-cta-price{display:block; font-family:Georgia,serif; font-size:19px; color:var(--rose)}
.sticky-cta .btn{padding:12px 22px; font-size:14.5px; white-space:nowrap}

/* footer */
footer{
  text-align:center; padding:36px 20px 100px; font-size:13px; color:var(--ink-soft);
  border-top:1px solid var(--line); margin-top:20px;
}
footer a{display:inline-block; margin:0 8px 8px; color:var(--ink-soft); text-decoration:underline}
footer h3{font-size:15px; margin:16px 0 6px}
.copyright{margin-top:14px; font-size:12px}

/* checkout modal */
.checkout-overlay{
  position:fixed; inset:0; z-index:100; background:rgba(20,15,12,.55);
  display:flex; align-items:flex-end; justify-content:center; padding:0;
}
.checkout-overlay[hidden]{display:none}
.checkout-modal{
  position:relative; width:100%; max-width:480px; max-height:92vh; overflow-y:auto;
  background:var(--surface); border-radius:20px 20px 0 0; padding:26px 20px 28px;
  box-shadow:0 -8px 30px rgba(0,0,0,.25);
}
.checkout-close{
  position:absolute; top:14px; right:14px; width:32px; height:32px; border-radius:50%;
  border:none; background:var(--bg); color:var(--ink-soft); font-size:15px; cursor:pointer;
}
.checkout-modal h3{margin-bottom:6px}
.checkout-summary{font-size:14px; margin-bottom:16px}
.checkout-modal label{display:block; font-size:12.5px; font-weight:600; color:var(--ink-soft); margin:12px 0 4px}
.checkout-modal input{
  width:100%; padding:12px 14px; border:1px solid var(--line); border-radius:10px; font-size:15px;
  font-family:inherit; background:var(--bg); color:var(--ink);
}
.checkout-modal input:focus{outline:2px solid var(--rose); outline-offset:1px}
.checkout-row{display:grid; grid-template-columns:1fr 1fr; gap:10px}
.checkout-btn{width:100%; margin-top:20px}
.checkout-back{
  display:block; width:100%; text-align:center; background:none; border:none; margin-top:10px;
  color:var(--ink-soft); font-size:13.5px; cursor:pointer;
}
.checkout-error{color:var(--rose-deep); font-size:13px; margin-top:10px}
.checkout-error[hidden]{display:none}
.checkout-loading{text-align:center; font-size:15px; padding:20px 0}
.checkout-qr{
  display:block; width:200px; max-width:70%; margin:6px auto 14px; padding:10px;
  border-radius:12px; border:1px solid var(--line); background:#fff;
}
.checkout-qr[hidden]{display:none}
.checkout-qr svg{display:block; width:100%; height:auto}
.checkout-hint{font-size:13px}
.checkout-pixcode{
  display:flex; align-items:center; gap:8px; background:var(--bg); border:1px dashed var(--line);
  border-radius:10px; padding:10px 12px; margin-bottom:14px;
}
.checkout-pixcode span{flex:1; font-size:11.5px; word-break:break-all; color:var(--ink-soft)}
.checkout-pixcode button{
  flex:0 0 auto; border:none; background:var(--rose); color:#fff; font-size:12.5px; font-weight:700;
  padding:8px 12px; border-radius:8px; cursor:pointer;
}
.checkout-status{text-align:center; font-size:13px; color:var(--ink-soft)}

@media (min-width:640px){
  .checkout-overlay{align-items:center}
  .checkout-modal{border-radius:20px}
  .ingredients{grid-template-columns:repeat(3,1fr)}
  .benefit-grid{grid-template-columns:repeat(2,1fr)}
  .offer-grid{grid-template-columns:repeat(3,1fr)}
  .review-grid{grid-template-columns:repeat(2,1fr)}
}