/* =====================================================
   JUVAD — Hoja de estilos principal
   ===================================================== */
:root {
  --color-black: #0e0e0e;
  --color-white: #ffffff;
  --color-gray-light: #f5f5f5;
  --color-gray-border: #e5e5e5;
  --font-main: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-main);
  color: var(--color-black);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; background: none; border: none; }

/* ---------- Barra superior ---------- */
.topbar {
  background: var(--color-black);
  color: var(--color-white);
  text-align: center;
  padding: 10px 16px;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
}

/* ---------- Encabezado ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-border);
}
.header__inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 40px;
}
.header__logo img { height: 30px; width: auto; }

.nav { display: flex; gap: 34px; }
.nav__link {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color .25s ease;
}
.nav__link:hover, .nav__link--active { border-bottom: 2px solid var(--color-black); }

.header__icons { display: flex; align-items: center; gap: 18px; }
.icon-btn { position: relative; display: flex; align-items: center; }
.icon-btn img { width: 20px; height: 20px; object-fit: contain; transition: opacity .2s; }
.icon-btn:hover img { opacity: .55; }
.icon-btn__badge {
  position: absolute;
  top: -8px; right: -10px;
  background: var(--color-black);
  color: var(--color-white);
  font-size: 0.6rem;
  min-width: 16px; height: 16px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.nav-toggle { display: none; font-size: 1.3rem; }

/* ---------- Botón con subrayado ---------- */
.btn-underline {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  padding-bottom: 4px;
  border-bottom: 1px solid currentColor;
  transition: opacity .25s ease;
}
.btn-underline:hover { opacity: .6; }
.btn-underline--light {
  background: rgba(255,255,255,.25);
  backdrop-filter: blur(4px);
  padding: 8px 14px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 4px;
}
.hero__img { width: 100%; height: clamp(320px, 42vw, 640px); object-fit: cover; object-position: center 20%; }
.hero__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-white);
  background: linear-gradient(180deg, rgba(0,0,0,.12), rgba(0,0,0,.28));
}
.hero__title { font-size: clamp(1.9rem, 4.6vw, 3.6rem); font-weight: 400; letter-spacing: .1em; }
.hero__subtitle { font-size: clamp(.72rem, 1.4vw, .95rem); letter-spacing: .35em; margin: 10px 0 26px; }

/* ---------- Banners duales ---------- */
.duo-banners {
  max-width: 1440px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
}
.duo-banner { position: relative; overflow: hidden; }
.duo-banner img {
  width: 100%; height: clamp(280px, 34vw, 520px);
  object-fit: cover;
  transition: transform .8s cubic-bezier(.2,.8,.2,1);
}
.duo-banner:hover img { transform: scale(1.04); }
.duo-banner__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding-bottom: 40px;
  gap: 14px;
  color: var(--color-white);
  background: linear-gradient(180deg, transparent 55%, rgba(0,0,0,.35));
}
.duo-banner__label { font-size: clamp(1.1rem, 2.4vw, 1.8rem); font-weight: 400; letter-spacing: .28em; }

/* ---------- Sección productos ---------- */
.products { max-width: 1440px; margin: 0 auto; padding: 56px 40px 24px; }
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.section-title { font-size: .85rem; font-weight: 600; letter-spacing: .2em; }

.products__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.product-card { cursor: pointer; }
.product-card__img-wrap {
  position: relative;
  overflow: hidden;
  background: var(--color-gray-light);
  aspect-ratio: 3 / 4;
}
.product-card__img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .7s cubic-bezier(.2,.8,.2,1);
}
.product-card:hover .product-card__img { transform: scale(1.05); }
.product-card__tag {
  position: absolute;
  top: 12px; left: 12px;
  background: var(--color-black);
  color: var(--color-white);
  font-size: .58rem;
  letter-spacing: .12em;
  padding: 5px 9px;
}
.product-card__actions {
  position: absolute;
  right: 12px; top: 12px;
  display: flex; flex-direction: column; gap: 10px;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity .3s, transform .3s;
}
.product-card:hover .product-card__actions { opacity: 1; transform: translateY(0); }
.product-card__actions img { width: 18px; height: 18px; }
.product-card__actions button {
  background: var(--color-white);
  border-radius: 50%;
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
}
.product-card__info { padding: 16px 6px 24px; }
.product-card__name { font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 6px; }
.product-card__price { font-size: .72rem; margin-top: 0; color: #333; }

/* ---------- Categorías ---------- */
.categories { max-width: 1440px; margin: 0 auto; padding: 28px 40px 64px; }
.categories__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}
.category-card { position: relative; overflow: hidden; cursor: pointer; }
.category-card img {
  width: 100%; height: clamp(300px, 36vw, 560px);
  object-fit: cover;
  transition: transform .8s cubic-bezier(.2,.8,.2,1);
}
.category-card:hover img { transform: scale(1.05); }
.category-card__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 20px 20px;
  gap: 8px;
  color: var(--color-white);
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,.4));
}
.category-card__name { font-size: .82rem; font-weight: 600; letter-spacing: .18em; }

/* ---------- Pie de página ---------- */
.footer { background: var(--color-white); border-top: 1px solid var(--color-gray-border); }
.footer__grid {
  max-width: 1440px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 32px;
  padding: 56px 40px 40px;
}
.footer__title { font-size: .72rem; font-weight: 600; letter-spacing: .16em; margin-bottom: 18px; }
.footer__col { display: flex; flex-direction: column; gap: 10px; }
.footer__link { font-size: .68rem; letter-spacing: .08em; transition: opacity .2s; width: fit-content; }
.footer__link:hover { opacity: .55; }
.footer__text { font-size: .68rem; line-height: 1.6; letter-spacing: .04em; }

.newsletter { display: flex; margin: 14px 0 18px; border: 1px solid var(--color-black); }
.newsletter__input {
  flex: 1;
  min-width: 0;
  border: none;
  outline: none;
  padding: 12px 14px;
  font-size: .68rem;
  letter-spacing: .08em;
  font-family: inherit;
}
.newsletter__btn {
  background: var(--color-black);
  color: var(--color-white);
  font-size: .68rem;
  letter-spacing: .14em;
  padding: 0 22px;
  transition: opacity .2s;
}
.newsletter__btn:hover { opacity: .8; }
.newsletter__msg { font-size: .68rem; color: #1a7a3a; margin-top: -10px; margin-bottom: 10px; }

.social { display: flex; gap: 14px; }
.social img { width: 20px; height: 20px; object-fit: contain; transition: opacity .2s; }
.social a:hover img { opacity: .55; }

.footer__bottom {
  max-width: 1440px;
  margin: 0 auto;
  padding: 20px 40px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.book-img { width: 130px; margin: 0 auto; }
.footer__copy { font-size: .66rem; letter-spacing: .06em; color: #666; text-align: center; }
.footer__copy .footer__sep { margin: 0 6px; }
.footer__link--designer { font-weight: 600; }
.footer__legal { display: flex; gap: 10px; align-items: center; }
.footer__sep { color: #999; }
.footer__legal .footer__link { font-size: .66rem; color: #666; }

/* ---------- WhatsApp flotante ---------- */
.whatsapp-float {
  position: fixed;
  right: 22px; bottom: 22px;
  z-index: 90;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--color-black);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 18px rgba(0,0,0,.25);
  transition: transform .25s ease;
}
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float img { width: 26px; height: 26px; filter: invert(1); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .products__grid { grid-template-columns: repeat(3, 1fr); }
  .footer__grid { grid-template-columns: repeat(3, 1fr); }
  .footer__col--newsletter { grid-column: span 2; }
}

@media (max-width: 768px) {
  .header__inner { padding: 14px 20px; }
  .nav {
    position: fixed;
    top: 0; right: -100%;
    height: 100vh;
    width: min(75vw, 300px);
    background: var(--color-white);
    flex-direction: column;
    padding: 90px 32px;
    gap: 26px;
    box-shadow: -4px 0 24px rgba(0,0,0,.12);
    transition: right .35s ease;
    z-index: 200;
  }
  .nav--open { right: 0; }
  .nav__link { font-size: .9rem; }
  .nav-toggle { display: block; z-index: 300; }
  .duo-banners { grid-template-columns: 1fr; }
  .products { padding: 40px 20px 16px; }
  .products__grid { grid-template-columns: repeat(2, 1fr); }
  .categories { padding: 16px 20px 48px; }
  .categories__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; padding: 40px 20px 28px; }
  .footer__col--newsletter { grid-column: span 2; }
}


/* ---------- Menu desplegable de categorias ---------- */
.nav__group { position: relative; }
.nav__dropdown {
  display: none;
  position: absolute;
  top: 100%; left: 50%;
  transform: translateX(-50%);
  background: #fff;
  border: 1px solid var(--color-gray-border);
  min-width: 180px;
  padding: 10px 0;
  box-shadow: 0 10px 30px rgba(0,0,0,.1);
  z-index: 150;
}
.nav__group:hover .nav__dropdown { display: block; }
.nav__dropdown a {
  display: block;
  padding: 9px 20px;
  font-size: .72rem;
  letter-spacing: .1em;
}
.nav__dropdown a:hover { background: var(--color-gray-light); }

/* ---------- Filtro de subcategorias ---------- */
.subcat-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.subcat-chip {
  font-size: .68rem;
  letter-spacing: .1em;
  padding: 8px 16px;
  border: 1px solid var(--color-black);
  transition: all .2s;
}
.subcat-chip:hover { background: var(--color-black); color: #fff; }
.subcat-chip--active { background: var(--color-black); color: #fff; }

/* ---------- Ficha de producto ---------- */
.product-detail {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.product-detail__media img { width: 100%; background: var(--color-gray-light); }
.product-detail__crumb { font-size: .68rem; letter-spacing: .12em; margin-bottom: 14px; }
.product-detail__crumb a { border-bottom: 1px solid currentColor; }
.product-detail__name { font-size: 1.5rem; font-weight: 400; letter-spacing: .04em; }
.product-detail__price { font-size: 1.25rem; margin: 16px 0 8px; }
.product-detail__old { font-size: .85rem; color: #999; text-decoration: line-through; margin-left: 10px; }
.product-detail__stock { font-size: .72rem; letter-spacing: .08em; color: #1a7a3a; margin-bottom: 18px; }
.product-detail__stock--out { color: #b00020; }
.product-detail__desc { font-size: .82rem; line-height: 1.8; color: #444; margin-bottom: 24px; }
.product-detail__msg { color: #b00020; font-size: .75rem; margin-bottom: 14px; }
.product-detail__form { display: flex; gap: 14px; align-items: stretch; flex-wrap: wrap; margin-bottom: 14px; }
.qty { display: flex; border: 1px solid var(--color-black); }
.qty__btn { width: 40px; font-size: 1rem; }
.qty__input { width: 52px; text-align: center; border: none; border-left: 1px solid var(--color-gray-border); border-right: 1px solid var(--color-gray-border); font-family: inherit; }
.btn-main {
  background: var(--color-black);
  color: #fff;
  font-size: .72rem;
  letter-spacing: .14em;
  padding: 14px 30px;
  transition: opacity .2s;
  border: none;
  cursor: pointer;
  font-family: inherit;
}
.btn-main:hover { opacity: .82; }
.btn-main--full { width: 100%; }
.btn-whatsapp {
  display: inline-block;
  font-size: .68rem;
  letter-spacing: .12em;
  padding: 12px 0;
  border-bottom: 1px solid currentColor;
}

/* ---------- Pagina de carrito ---------- */
.cart-page { max-width: 1000px; margin: 0 auto; padding: 48px 40px 70px; }
.cart-page__title { font-size: 1.1rem; letter-spacing: .2em; margin-bottom: 32px; }
.cart-page__error {
  background: #fdecea; color: #b00020; font-size: .78rem;
  padding: 12px 16px; margin-bottom: 20px;
}
.cart-page__empty, .cart-page__success { text-align: center; padding: 40px 0; font-size: .85rem; line-height: 2.2; }
.cart-table-wrap { overflow-x: auto; }
.cart-table { width: 100%; border-collapse: collapse; font-size: .78rem; }
.cart-table th { text-align: left; font-size: .66rem; letter-spacing: .12em; padding: 10px 8px; border-bottom: 2px solid var(--color-black); }
.cart-table td { padding: 14px 8px; border-bottom: 1px solid var(--color-gray-border); vertical-align: middle; }
.cart-table__product { display: flex; align-items: center; gap: 14px; min-width: 220px; }
.cart-table__product img { width: 56px; height: 70px; object-fit: cover; background: var(--color-gray-light); }
.cart-table input[type=number] { width: 60px; padding: 6px; text-align: center; font-family: inherit; border: 1px solid var(--color-gray-border); }
.cart-table__remove { color: #b00020; font-size: .85rem; }
.cart-actions { display: flex; gap: 22px; margin: 20px 0 34px; }
.cart-checkout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.cart-checkout__total { font-size: 1rem; letter-spacing: .06em; }
.checkout-form { display: flex; flex-direction: column; gap: 12px; }
.checkout-form__title { font-size: .78rem; letter-spacing: .16em; margin-bottom: 6px; }
.checkout-form input, .checkout-form textarea {
  padding: 12px 14px; border: 1px solid var(--color-gray-border);
  font-family: inherit; font-size: .8rem; width: 100%;
}
.checkout-form input:focus, .checkout-form textarea:focus { border-color: var(--color-black); outline: none; }
.checkout-form__note { font-size: .66rem; color: #777; line-height: 1.6; }

/* ---------- Buscador ---------- */
.search-form { display: flex; gap: 10px; max-width: 560px; }
.search-form__input {
  flex: 1; padding: 13px 16px; border: 1px solid var(--color-black);
  font-family: inherit; font-size: .8rem;
}

@media (max-width: 768px) {
  .product-detail { grid-template-columns: 1fr; padding: 32px 20px; gap: 28px; }
  .cart-page { padding: 32px 20px 56px; }
  .cart-checkout { grid-template-columns: 1fr; }
  .nav__dropdown { display: none; }
}


/* ---------- Login / Registro ---------- */
.auth-page {
  min-height: calc(100vh - 120px);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 60px 20px 90px;
}
.auth-card {
  width: 100%; max-width: 480px;
  border: 1px solid var(--color-black);
  padding: 44px 46px 36px;
  text-align: center;
}
.auth-card--wide { max-width: 660px; }
.auth-card__logo { height: 34px; width: auto; margin: 0 auto 22px; }
.auth-card__title { font-size: 1rem; letter-spacing: .22em; margin-bottom: 16px; }
.auth-card__text { font-size: .68rem; letter-spacing: .06em; line-height: 1.8; color: #555; margin-bottom: 30px; }
.auth-card__divider { border-top: 1px solid var(--color-gray-border); margin: 26px 0; position: relative; }
.auth-card__divider span {
  position: absolute; top: -9px; left: 50%; transform: translateX(-50%);
  background: #fff; padding: 0 12px; font-size: .66rem; color: #999;
}
.auth-card__footer { font-size: .68rem; margin-top: 20px; }
.auth-card__link { border-bottom: 1px solid currentColor; }
.auth-card__secure { font-size: .62rem; color: #888; margin-top: 16px; }
.auth-card__error { background: #fdecea; color: #b00020; font-size: .72rem; padding: 10px; margin-bottom: 16px; }

.auth-form { text-align: left; }
.auth-form__label { display: block; font-size: .66rem; letter-spacing: .08em; margin: 16px 0 6px; }
.auth-form__input {
  width: 100%; padding: 13px 14px;
  border: 1px solid var(--color-gray-border);
  font-family: inherit; font-size: .8rem;
}
.auth-form__input:focus { border-color: var(--color-black); outline: none; }
.auth-form__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.auth-form__check {
  display: flex; align-items: center; gap: 10px;
  font-size: .68rem; margin: 16px 0 0;
}
.auth-form__check input { width: 18px; height: 18px; accent-color: #0e0e0e; }
.auth-form__row { margin-top: 24px; }

.btn-outline {
  width: 100%; background: #fff; color: var(--color-black);
  border: 1px solid var(--color-black);
  font-size: .68rem; letter-spacing: .14em;
  padding: 14px; font-family: inherit; cursor: pointer;
  transition: all .2s;
}
.btn-outline:hover { background: var(--color-black); color: #fff; }

/* ---------- Mi cuenta ---------- */
.account {
  max-width: 1200px; margin: 0 auto;
  padding: 40px 40px 80px;
  display: grid; grid-template-columns: 240px 1fr; gap: 50px;
}
.account__side-title { font-size: .95rem; letter-spacing: .18em; margin-bottom: 22px; }
.account__nav { display: flex; flex-direction: column; gap: 16px; }
.account__nav a { font-size: .8rem; letter-spacing: .1em; width: fit-content; }
.account__nav a:hover { border-bottom: 1px solid currentColor; }
.account__navlink--active { border-bottom: 1px solid currentColor; }
.account__hello { font-size: 1rem; letter-spacing: .14em; }
.account__welcome { font-size: .72rem; color: #777; margin: 4px 0 28px; }
.account__panel-head {
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--color-gray-border);
  padding-bottom: 14px; margin-bottom: 22px;
}
.account__panel-head h3 { font-size: .78rem; letter-spacing: .16em; }
.account__data-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 22px 40px;
  max-width: 720px;
}
.account__data-grid span { font-size: .64rem; letter-spacing: .1em; color: #888; }
.account__data-grid p { font-size: .82rem; margin-top: 4px; }
.account__form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 30px; margin-bottom: 24px; }
.account__form label { display: block; font-size: .66rem; letter-spacing: .08em; margin-bottom: 6px; }
.account__form input, .account__form textarea {
  width: 100%; padding: 11px 13px;
  border: 1px solid var(--color-gray-border);
  font-family: inherit; font-size: .8rem;
}
.account__form input:focus, .account__form textarea:focus { border-color: var(--color-black); outline: none; }
.account__address {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  border: 1px solid var(--color-gray-border); padding: 14px 18px; margin-bottom: 10px;
  font-size: .8rem;
}
.account__msg { font-size: .74rem; padding: 10px 14px; margin-bottom: 16px; }
.account__msg--ok { background: #d4edda; color: #155724; }
.account__msg--err { background: #fdecea; color: #b00020; }
.account__empty { font-size: .8rem; color: #666; }

.fav-heart { font-size: .95rem; margin-left: 8px; color: #bbb; }
.fav-heart--on { color: #b00020; }

@media (max-width: 768px) {
  .auth-card { padding: 32px 22px; }
  .auth-form__grid { grid-template-columns: 1fr; }
  .account { grid-template-columns: 1fr; padding: 28px 20px 60px; gap: 26px; }
  .account__nav { flex-direction: row; flex-wrap: wrap; gap: 14px; }
  .account__data-grid, .account__form-grid { grid-template-columns: 1fr; }
}


/* ---------- Galeria de portadas (imagenes estaticas) ---------- */
.portadas { max-width: 1440px; margin: 0 auto; padding: 28px 40px 64px; }
.portadas__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.portada-item { display: block; }
.portada-item img {
  width: 100%; height: clamp(300px, 36vw, 560px);
  object-fit: cover; display: block;
  transition: transform .8s cubic-bezier(.2,.8,.2,1);
}
.portada-item:hover img { transform: scale(1.02); }
.portada-item__nombre {
  display: block;
  font-size: .82rem; font-weight: 600; letter-spacing: .18em;
  color: var(--color-black);
  margin-top: 12px;
}
.portada-item__link {
  display: inline-block;
  font-size: .68rem; letter-spacing: .14em;
  border-bottom: 1px solid var(--color-black);
  margin-top: 4px;
}
.portada-item:hover .portada-item__link { opacity: .55; }

@media (max-width: 768px) {
  .portadas { padding: 16px 20px 48px; }
  .portadas__grid { grid-template-columns: 1fr; }
}

/* ---------- Sobre nosotros: responsive ---------- */
@media (max-width: 768px) {
  section [style*="grid-template-columns:260px 1fr"] { grid-template-columns: 1fr !important; gap: 14px !important; }
}