:root {
  --aqua: #0C968C;
  --aqua-dark: #0A7C74;
  --aqua-light: #E1F3F1;
  --black: #101010;
  --gray-light: #F6F6F6;
  --gray-mid: #6D6D6D;
  --gray-dark: #1E1E1E;
  --gray-off: #F7F8F9;
  --white: #FFFFFF;
  --radius: 16px;
  --radius-btn: 18px;
  --shadow-sm: 0 2px 10px rgba(16,16,16,0.05);
  --shadow-md: 0 12px 32px rgba(16,16,16,0.10);
  --shadow-lg: 0 20px 50px rgba(16,16,16,0.16);
  --ease: cubic-bezier(.4,0,.2,1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--gray-dark);
  background: linear-gradient(180deg, var(--white), var(--gray-off));
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

a { text-decoration: none; color: inherit; }

/* Reveal (fade-up) animation, driven by IntersectionObserver in script.js */
.reveal, .card, .benefit-card {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}

.reveal.in-view, .card.in-view, .benefit-card.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ============ Trust bar ============ */
.trust-bar {
  background: var(--black);
  color: var(--white);
  overflow: hidden;
  white-space: nowrap;
}

.trust-bar-track {
  display: inline-flex;
  gap: 48px;
  padding: 9px 0;
  animation: trust-scroll 22s linear infinite;
}

.trust-bar-track span {
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.3px;
  color: #E8E8E8;
}

@keyframes trust-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .trust-bar-track { animation: none; }
}

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.85);
  border-bottom: 1px solid transparent;
  transition: background .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}

.site-header.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(16,16,16,0.05), 0 8px 24px rgba(16,16,16,0.04);
  border-color: rgba(16,16,16,0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
  gap: 20px;
}

.brand { display: flex; align-items: center; }

.brand-logo {
  height: 40px;
  width: auto;
  display: block;
}

.nav {
  display: flex;
  gap: 32px;
}

.nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-dark);
  letter-spacing: 0.2px;
  position: relative;
  padding-bottom: 2px;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--aqua);
  transition: right .25s var(--ease);
}

.nav a:hover::after { right: 0; }
.nav a:hover { color: var(--aqua-dark); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.cart-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid #E5E5E5;
  background: var(--white);
  color: var(--gray-dark);
  cursor: pointer;
  transition: border-color .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
}

.cart-btn:hover { border-color: var(--aqua); color: var(--aqua-dark); transform: translateY(-1px); }

.cart-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  min-width: 17px;
  height: 17px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--aqua-dark);
  color: var(--white);
  font-size: 10px;
  font-weight: 700;
  line-height: 17px;
  text-align: center;
  display: none;
}

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}

.btn:hover { transform: translateY(-2px) scale(1.015); }
.btn:active { transform: translateY(0) scale(0.98); }

.btn-primary {
  background: var(--aqua);
  color: var(--white);
  box-shadow: 0 8px 20px rgba(12,150,140,0.28);
}

.btn-primary:hover { background: var(--aqua-dark); box-shadow: 0 12px 28px rgba(12,150,140,0.36); }

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.55);
}

.btn-outline:hover { background: rgba(255,255,255,0.12); border-color: var(--white); }

.btn-whatsapp {
  background: #25D366;
  color: var(--white);
}

.btn-whatsapp:hover { background: #1DA851; }

.btn-block { width: 100%; }

.header-cta { padding: 10px 20px; }

/* ============ Hero ============ */
.hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  min-height: 88vh;
  display: flex;
  align-items: center;
}

.hero-media {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,10,10,0.55) 0%, rgba(10,10,10,0.72) 55%, rgba(10,10,10,0.9) 100%);
}

.hero-inner {
  position: relative;
  padding: 100px 24px;
  width: 100%;
}

.hero-text { max-width: 640px; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--aqua);
  margin: 0 0 20px;
}

.hero h1 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 600;
  font-size: 38px;
  line-height: 1.12;
  margin: 0 0 22px;
  letter-spacing: -0.3px;
}

@media (min-width: 640px) {
  .hero h1 { font-size: 48px; }
}

@media (min-width: 1024px) {
  .hero h1 { font-size: 60px; }
}

.hero-sub {
  font-size: 17px;
  line-height: 1.6;
  color: #EDEDED;
  margin: 0 0 22px;
  max-width: 520px;
}

.hero-rating {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: #E4E4E4;
  margin: 0 0 36px;
}

.stars {
  color: var(--aqua);
  font-size: 16px;
  letter-spacing: 2px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============ Benefits ============ */
.benefits {
  padding: 90px 0;
  background: var(--white);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.benefit-card {
  text-align: center;
  padding: 36px 20px;
  border-radius: var(--radius);
  border: 1px solid #EFEFEF;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease), opacity .6s var(--ease);
}

.benefit-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.benefit-icon {
  font-size: 30px;
  margin-bottom: 16px;
}

.benefit-card strong {
  display: block;
  font-size: 15.5px;
  color: var(--gray-dark);
  margin-bottom: 6px;
}

.benefit-card span {
  font-size: 13.5px;
  color: var(--gray-mid);
  line-height: 1.5;
}

/* ============ Favoritos ============ */
.favorites {
  padding: 100px 0 20px;
}

.favorites .section-title { margin-bottom: 12px; }
.favorites .section-sub {
  text-align: center;
  color: var(--gray-mid);
  font-size: 15px;
  max-width: 540px;
  margin: 0 auto 44px;
}

.favorites-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.fav-card {
  position: relative;
  background: var(--white);
  border: 1px solid #F0F0F0;
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), opacity .6s var(--ease);
}

.fav-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.fav-card > img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: var(--gray-light);
  transition: transform .5s var(--ease);
}

.fav-card:hover > img { transform: scale(1.06); }

.fav-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: var(--aqua);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.4px;
  padding: 5px 12px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(12,150,140,0.35);
}

.fav-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.fav-body h3 {
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.35;
  margin: 0;
  min-height: 39px;
  color: var(--gray-dark);
}

.fav-body .btn { margin-top: auto; font-size: 13px; padding: 11px 16px; }

@media (max-width: 780px) {
  .favorites-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============ FAQ ============ */
.faq { padding: 100px 0; }
.faq-inner { max-width: 760px; }

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 40px;
}

.faq-item {
  border: 1px solid #EFEFEF;
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: var(--white);
  border: none;
  text-align: left;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--gray-dark);
  cursor: pointer;
}

.faq-icon {
  flex-shrink: 0;
  font-size: 20px;
  font-weight: 400;
  color: var(--aqua);
  transition: transform .3s var(--ease);
}

.faq-item.open .faq-icon { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s var(--ease);
}

.faq-answer p {
  margin: 0;
  padding: 0 24px 22px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--gray-mid);
}

/* ============ Final CTA ============ */
.final-cta {
  background: var(--black);
  padding: 110px 0;
}

.final-cta-inner {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.final-cta h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 600;
  color: var(--white);
  font-size: 36px;
  line-height: 1.25;
  margin: 0 0 36px;
}

.final-cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 480px) {
  .favorites { padding: 64px 0 10px; }
  .faq { padding: 64px 0; }
  .faq-question { padding: 16px 18px; font-size: 14px; }
  .final-cta { padding: 70px 0; }
  .final-cta h2 { font-size: 26px; }
}

/* ============ Products ============ */
main.container { padding-top: 10px; padding-bottom: 20px; }

.section-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 600;
  font-size: 34px;
  margin: 0 0 12px;
  text-align: center;
  color: var(--black);
}

.section-sub {
  text-align: center;
  color: var(--gray-mid);
  font-size: 15px;
  max-width: 540px;
  margin: 0 auto 44px;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 56px;
}

.filter-btn {
  padding: 10px 20px;
  border-radius: 999px;
  border: 1.5px solid #E5E5E5;
  background: var(--white);
  color: var(--gray-dark);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all .3s var(--ease);
}

.filter-btn:hover { border-color: var(--aqua); color: var(--aqua-dark); transform: translateY(-1px); }

.filter-btn.active {
  background: var(--aqua);
  border-color: var(--aqua);
  color: var(--white);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 28px;
  padding-bottom: 100px;
}

.card {
  background: var(--white);
  border: 1px solid #F0F0F0;
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), opacity .6s var(--ease);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.card > img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: var(--gray-light);
  transition: transform .5s var(--ease);
}

.card:hover > img {
  transform: scale(1.06);
}

.card-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.card-body h3 {
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.35;
  margin: 0;
  min-height: 39px;
  color: var(--gray-dark);
}

.price {
  font-size: 19px;
  font-weight: 700;
  color: var(--black);
  margin: 0;
}

.card-body .btn { margin-top: auto; font-size: 13px; padding: 11px 16px; }

/* ============ About ============ */
.about {
  background: var(--gray-light);
  padding: 100px 0;
}

.about-inner { max-width: 720px; text-align: center; margin: 0 auto; }

.about p {
  color: var(--gray-mid);
  font-size: 15.5px;
  line-height: 1.75;
}

/* ============ Footer ============ */
.site-footer {
  background: var(--black);
  color: #DADADA;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 40px;
  padding: 72px 0 48px;
}

.footer-logo {
  height: 34px;
  width: auto;
  margin-bottom: 16px;
  filter: brightness(0) invert(1);
}

.footer-brand p {
  font-size: 13.5px;
  color: #9A9A9A;
  line-height: 1.6;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #9A9A9A;
  margin: 0 0 18px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  font-size: 14px;
  color: #DADADA;
  transition: color .2s var(--ease);
}

.footer-col a:hover { color: var(--aqua); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 22px 0;
}

.footer-bottom p {
  font-size: 12.5px;
  color: #7A7A7A;
  margin: 0;
  text-align: center;
}

/* ============ Floating WhatsApp ============ */
.whatsapp-float-wrap {
  position: fixed;
  bottom: 22px;
  right: 22px;
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 10px;
}

.whatsapp-float {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
  transition: transform .25s var(--ease);
  animation: wa-pulse 5s ease-out infinite;
}

.whatsapp-float:hover { transform: scale(1.08); animation-play-state: paused; }

@keyframes wa-pulse {
  0%, 90% { box-shadow: 0 8px 24px rgba(0,0,0,0.25), 0 0 0 0 rgba(37,211,102,0.5); }
  95% { box-shadow: 0 8px 24px rgba(0,0,0,0.25), 0 0 0 12px rgba(37,211,102,0); }
  100% { box-shadow: 0 8px 24px rgba(0,0,0,0.25), 0 0 0 0 rgba(37,211,102,0); }
}

.whatsapp-tooltip {
  background: var(--black);
  color: var(--white);
  font-size: 13px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(6px);
  pointer-events: none;
  transition: opacity .3s var(--ease), transform .3s var(--ease);
}

.whatsapp-float-wrap:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

@media (max-width: 780px) {
  .whatsapp-tooltip { display: none; }
}

/* ============ Producto agotado ============ */
.out-of-stock { position: relative; }

.out-of-stock > img { filter: grayscale(0.7); opacity: 0.6; }
.out-of-stock:hover > img { transform: none; }

.sold-out-ribbon {
  position: absolute;
  top: 16px;
  left: -34px;
  z-index: 3;
  width: 130px;
  padding: 5px 0;
  background: var(--black);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-align: center;
  text-transform: uppercase;
  transform: rotate(-40deg);
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

.btn-add:disabled {
  background: #D9D9D9;
  color: #8A8A8A;
  box-shadow: none;
  cursor: not-allowed;
}

.btn-add:disabled:hover { transform: none; }

/* ============ Focus visibility (accesibilidad) ============ */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--aqua);
  outline-offset: 2px;
}

/* ============ Cart drawer ============ */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(16,16,16,0.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s var(--ease);
  z-index: 70;
}

.cart-overlay.open { opacity: 1; pointer-events: auto; }

.cart-drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(400px, 100%);
  background: var(--white);
  box-shadow: -8px 0 30px rgba(0,0,0,0.15);
  z-index: 71;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform .35s var(--ease);
}

.cart-drawer.open { transform: translateX(0); }

.cart-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 22px;
  border-bottom: 1px solid #F0F0F0;
}

.cart-drawer-header h3 { margin: 0; font-size: 18px; font-family: 'Playfair Display', serif; }

.cart-close {
  border: none;
  background: none;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  color: var(--gray-mid);
}

.cart-items {
  flex: 1;
  overflow-y: auto;
  padding: 16px 22px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cart-empty {
  color: var(--gray-mid);
  font-size: 14px;
  text-align: center;
  margin-top: 40px;
}

.cart-item {
  display: flex;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid #F5F5F5;
}

.cart-item img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 10px;
  background: var(--gray-light);
  flex-shrink: 0;
}

.cart-item-info { flex: 1; }

.cart-item-name {
  font-size: 13.5px;
  font-weight: 600;
  margin: 0 0 2px;
  color: var(--gray-dark);
}

.cart-item-price {
  font-size: 13px;
  color: var(--aqua-dark);
  font-weight: 700;
  margin: 0 0 8px;
}

.qty-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.qty-btn {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid #E5E5E5;
  background: var(--white);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color .2s var(--ease);
}

.qty-btn:hover { border-color: var(--aqua); color: var(--aqua-dark); }

.cart-remove {
  border: none;
  background: none;
  color: var(--gray-mid);
  font-size: 12px;
  text-decoration: underline;
  cursor: pointer;
  margin-left: auto;
}

.cart-remove:hover { color: #DC2626; }

.cart-footer {
  padding: 18px 22px 22px;
  border-top: 1px solid #F0F0F0;
}

.cart-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--gray-dark);
}

.cart-clear {
  display: block;
  width: 100%;
  text-align: center;
  border: none;
  background: none;
  color: var(--gray-mid);
  font-size: 13px;
  text-decoration: underline;
  cursor: pointer;
  margin-top: 12px;
}

.cart-clear:hover { color: #DC2626; }

/* ============ Responsive ============ */
@media (max-width: 780px) {
  .nav { display: none; }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; padding: 56px 0 32px; }
  .header-cta-label { display: none; }
  .header-cta { padding: 10px; width: 38px; height: 38px; }
}

@media (max-width: 480px) {
  .brand-logo { height: 32px; }
  .grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .card-body { padding: 13px; }
  .card-body h3 { font-size: 13px; min-height: 36px; }
  .price { font-size: 16px; }
  .benefits { padding: 60px 0; }
  .benefits-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .benefit-card { padding: 24px 14px; }
  .about { padding: 64px 0; }
  .section-title { font-size: 26px; }
  .hero { min-height: 78vh; }
  .hero-inner { padding: 70px 20px; }
}