:root {
  --blue: #006cff;
  --blue2: #00a3ff;
  --blue-dark: #004fbf;
  --soft: #eef8ff;
  --ink: #07172b;
  --muted: #5d6d82;
  --line: #d8e9f8;
  --white: #fff;
  --green: #087f6b;
  --green-soft: #e9fff7;
  --shadow: 0 22px 60px rgba(0, 108, 255, .14);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; min-height: 100%; background: #f8fcff; color: var(--ink); }
body {
  background:
    radial-gradient(circle at 88% 7%, rgba(0, 163, 255, .18), transparent 24rem),
    linear-gradient(180deg, #fff, #f5fbff);
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }

.topbar {
  height: 64px;
  border-bottom: 1px solid rgba(216, 233, 248, .92);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(16px);
}
.topbar-inner {
  width: min(1080px, calc(100% - 28px));
  height: 100%;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 900; font-size: 14px; }
.mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--blue2));
  font-size: 9px;
  letter-spacing: .01em;
  box-shadow: 0 8px 22px rgba(0, 108, 255, .22);
}
.lang { display: flex; padding: 3px; border: 1px solid var(--line); border-radius: 999px; background: #fff; }
.lang button {
  border: 0;
  background: transparent;
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--muted);
  font: inherit;
  font-size: 12px;
  font-weight: 850;
  cursor: pointer;
}
.lang button.active { background: var(--blue); color: #fff; }

.product-shell { min-height: calc(100dvh - 64px); padding: 32px 0 72px; }
.product-page {
  width: min(1080px, calc(100% - 28px));
  margin: 0 auto;
  display: grid;
  gap: 16px;
}
.product-hero {
  display: grid;
  grid-template-columns: minmax(290px, .92fr) minmax(0, 1.08fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, .98);
  box-shadow: var(--shadow);
}
.visual {
  position: relative;
  min-height: 410px;
  background: linear-gradient(145deg, #e6f5ff, #d9efff);
  overflow: hidden;
}
.visual img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.visual::after {
  content: "";
  position: absolute;
  inset: auto 18px 18px;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .8), transparent);
}
.content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(28px, 4vw, 48px);
}
.back {
  width: max-content;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 18px;
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 850;
}
.back:hover { opacity: .72; }
.meta { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.badge {
  display: inline-flex;
  padding: 6px 9px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--blue-dark);
  font-size: 11px;
  font-weight: 900;
}
.dose { color: var(--muted); font-size: 13px; font-weight: 800; }
h1, h2, p { margin-top: 0; }
h1 { margin: 0 0 12px; font-size: clamp(36px, 5vw, 56px); line-height: 1; letter-spacing: 0; }
.definition { margin: 0 0 19px; color: var(--muted); font-size: 16px; line-height: 1.55; max-width: 620px; }
.summary {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 18px;
  padding: 17px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.label {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .07em;
}
.presentation { font-size: 14px; font-weight: 850; }
.price { text-align: right; }
.price strong { display: block; font-size: 25px; line-height: 1; }
.price span { color: var(--muted); font-size: 12px; font-weight: 750; }

.page-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.page-steps a {
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, .92);
  color: #24415f;
  font-size: 13px;
  font-weight: 900;
  text-align: center;
  box-shadow: 0 10px 24px rgba(0, 108, 255, .055);
}
.page-steps a:hover { border-color: rgba(0, 108, 255, .36); background: var(--soft); }

.info-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.info-block {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 14px 34px rgba(8, 21, 38, .055);
}
.section-number {
  width: max-content;
  margin-bottom: 14px;
  padding: 6px 9px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--blue-dark);
  font-size: 11px;
  font-weight: 950;
}
.info-block h2 { margin-bottom: 10px; font-size: 21px; line-height: 1.12; letter-spacing: 0; }
.info-block p { color: var(--muted); font-size: 14px; line-height: 1.5; }
.research-title { margin: 16px 0 9px; font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #fff;
  color: #24415f;
  font-size: 12px;
  font-weight: 800;
}
.detail-list { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.detail-list li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}
.detail-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 8px;
  border-radius: 99px;
  background: var(--blue);
}
.detail-list li.shipping-ok { color: #24415f; font-weight: 850; }
.detail-list li.shipping-ok::before { background: var(--green); }
.contact-panel { border-color: rgba(0, 108, 255, .28); background: linear-gradient(180deg, #fff, #f1f9ff); }
.channel-actions { display: grid; gap: 10px; margin-top: auto; }
.cta {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 13px;
  color: #fff;
  font-size: 14px;
  font-weight: 900;
  box-shadow: 0 12px 28px rgba(0, 108, 255, .18);
}
.cta:hover { transform: translateY(-1px); }
.cta.whatsapp { background: linear-gradient(135deg, #0c9f6f, #16c784); }
.cta.instagram { background: linear-gradient(135deg, #833ab4, #e1306c 55%, #f77737); }
.close-note { margin: 13px 0 0; text-align: center; color: #6f8094; font-size: 11px; font-weight: 750; }

@media (max-width: 920px) {
  .product-hero { grid-template-columns: 1fr; }
  .visual { min-height: 0; height: 300px; }
  .content { justify-content: flex-start; }
  .info-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .topbar { height: 58px; }
  .brand span:last-child { display: none; }
  .product-shell { min-height: calc(100dvh - 58px); padding: 12px 0 42px; }
  .product-page { width: calc(100% - 20px); gap: 12px; }
  .product-hero { border-radius: 20px; }
  .visual { height: 210px; }
  .content { padding: 18px; }
  .back { margin-bottom: 11px; }
  h1 { font-size: clamp(31px, 9vw, 41px); margin-bottom: 8px; }
  .definition { font-size: 14px; line-height: 1.43; margin-bottom: 13px; }
  .summary { grid-template-columns: 1fr; gap: 9px; align-items: start; }
  .price { text-align: left; }
  .page-steps { grid-template-columns: 1fr; gap: 8px; }
  .page-steps a { justify-content: flex-start; min-height: 42px; }
  .info-block { padding: 18px; border-radius: 18px; }
  .cta { min-height: 46px; }
}