/* =============================================
   YAGUI ELECTRÓNICA — estilos.css
   ============================================= */

/* --- Variables globales --- */
:root {
  --rojo: #e81111;
  --rojo-oscuro: #c00;
  --negro: #111111;
  --gris-oscuro: #333333;
  --gris-medio: #666666;
  --gris-claro: #f6f3f3;
  --blanco: #ffffff;
  --sombra: 0 4px 20px rgba(0, 0, 0, 0.12);
  --sombra-hover: 0 8px 28px rgba(0, 0, 0, 0.22);
  --radio: 8px;
  --transicion: 0.3s ease;
  --nav-height: 72px;
  --font-titulo: "Montserrat", sans-serif;
  --font-cuerpo: "Open Sans", sans-serif;
}

/* --- Reset base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-cuerpo);
  background-color: var(--blanco);
  color: var(--gris-oscuro);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-cuerpo);
}

/* =============================================
   NAVBAR
   ============================================= */
#navbar {
  background-color: var(--blanco);
  padding: 0;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  transition:
    background-color var(--transicion),
    box-shadow var(--transicion);
}

#navbar.scrolled {
  background-color: rgba(255, 255, 255, 0.97);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: var(--nav-height);
}

/* Logo */
.logo-nav img {
  height: 52px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transicion);
}

.logo-nav img:hover {
  transform: scale(1.04);
}

/* Menú desktop */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--gris-oscuro);
  font-family: var(--font-titulo);
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.03em;
  padding: 8px 14px;
  border-radius: var(--radio);
  transition: all var(--transicion);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active-link {
  background-color: var(--rojo);
  color: var(--blanco);
}

.nav-link .arrow {
  font-size: 0.7rem;
  transition: transform var(--transicion);
}

.nav-item.dropdown:hover .nav-link .arrow,
.nav-item.dropdown.open .nav-link .arrow {
  transform: rotate(180deg);
}

/* Dropdown desktop */
.dropdown-content {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background-color: var(--blanco);
  min-width: 200px;
  border-radius: var(--radio);
  box-shadow: var(--sombra-hover);
  border-top: 3px solid var(--rojo);
  z-index: 200;
  opacity: 0;
  transform: translateY(-6px);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
  pointer-events: none;
}

.nav-item.dropdown:hover .dropdown-content,
.nav-item.dropdown.open .dropdown-content {
  display: block;
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.dropdown-content a {
  display: block;
  padding: 10px 18px;
  color: var(--gris-oscuro);
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-titulo);
  transition:
    background-color var(--transicion),
    color var(--transicion);
}

.dropdown-content a:hover {
  background-color: var(--gris-claro);
  color: var(--rojo);
  padding-left: 24px;
}

/* =============================================
   HAMBURGUESA
   ============================================= */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  cursor: pointer;
  z-index: 1100;
  padding: 0;
  background: none;
  border: none;
}

.menu-toggle span {
  background: var(--rojo);
  display: block;
  height: 3px;
  width: 100%;
  border-radius: 2px;
  transition: 0.35s ease;
  transform-origin: center;
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(8.5px) rotate(45deg);
}
.menu-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.menu-toggle.active span:nth-child(3) {
  transform: translateY(-8.5px) rotate(-45deg);
}

/* =============================================
   OVERLAY
   ============================================= */
.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 900;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.overlay.active {
  display: block;
  opacity: 1;
}

/* =============================================
   SIDEBAR MOBILE
   ============================================= */
.sidebar {
  position: fixed;
  top: 0;
  right: -300px;
  width: 280px;
  height: 100%;
  background-color: var(--blanco);
  padding-top: var(--nav-height);
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  overflow-y: auto;
}

.sidebar.active {
  right: 0;
}

.sidebar > ul {
  padding: 16px 0;
}

.sidebar-link {
  display: block;
  padding: 14px 24px;
  color: var(--gris-oscuro);
  font-family: var(--font-titulo);
  font-weight: 600;
  font-size: 0.95rem;
  transition:
    background-color var(--transicion),
    color var(--transicion);
}

.sidebar-link:hover {
  background-color: var(--gris-claro);
  color: var(--rojo);
}

/* Sidebar accordion */
.sidebar-toggle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 14px 24px;
  background: none;
  border: none;
  font-family: var(--font-titulo);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--gris-oscuro);
  cursor: pointer;
  transition:
    background-color var(--transicion),
    color var(--transicion);
  text-align: left;
}

.sidebar-toggle:hover {
  background-color: var(--gris-claro);
  color: var(--rojo);
}

.sidebar-toggle .arrow {
  transition: transform var(--transicion);
  font-size: 0.75rem;
}

.sidebar-toggle[aria-expanded="true"] .arrow {
  transform: rotate(180deg);
}

.sidebar-dropdown {
  display: none;
  background-color: var(--gris-claro);
  border-left: 3px solid var(--rojo);
}

.sidebar-dropdown.open {
  display: block;
}

.sidebar-dropdown a {
  display: block;
  padding: 10px 24px 10px 32px;
  color: var(--gris-medio);
  font-size: 0.875rem;
  font-family: var(--font-titulo);
  font-weight: 600;
  transition: color var(--transicion);
}

.sidebar-dropdown a:hover {
  color: var(--rojo);
}

/* =============================================
   HERO / CARRUSEL
   ============================================= */
#hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 500px;
  max-height: 800px;
  overflow: hidden;
  margin-top: var(--nav-height);
}

.hero-slider {
  position: relative;
  width: 100%;
  height: 100%;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
  pointer-events: none;
}

.slide.active {
  opacity: 1;
  pointer-events: all;
}

.slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: scale(1.04);
  transition: transform 6s ease;
  background-color: #1a1a1a;
}

.slide.active .slide-bg {
  transform: scale(1);
}

.slide-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.65) 0%,
    rgba(0, 0, 0, 0.3) 60%,
    rgba(0, 0, 0, 0.1) 100%
  );
}

.slide-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 8% 60px;
  z-index: 2;
}

.slide-content h1 {
  font-family: var(--font-titulo);
  font-size: clamp(2rem, 5vw, 4.5rem);
  font-weight: 900;
  color: var(--blanco);
  line-height: 1.1;
  margin-bottom: 16px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.7s ease 0.3s,
    transform 0.7s ease 0.3s;
}

.slide-content p {
  font-size: clamp(1rem, 2vw, 1.35rem);
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 32px;
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.7s ease 0.5s,
    transform 0.7s ease 0.5s;
}

.slide.active .slide-content h1,
.slide.active .slide-content p,
.slide.active .slide-content .btn-hero {
  opacity: 1;
  transform: translateY(0);
}

.btn-hero {
  display: inline-block;
  background-color: var(--rojo);
  color: var(--blanco);
  font-family: var(--font-titulo);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: 4px;
  border: 2px solid transparent;
  align-self: flex-start;
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.7s ease 0.7s,
    transform 0.7s ease 0.7s,
    background-color 0.3s,
    border-color 0.3s;
}

.btn-hero:hover {
  background-color: transparent;
  border-color: var(--blanco);
  color: var(--blanco);
}

/* Botones del carrusel */
.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.15);
  color: var(--blanco);
  border: 2px solid rgba(255, 255, 255, 0.4);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transicion);
  z-index: 10;
  backdrop-filter: blur(4px);
}

.slider-btn:hover {
  background: var(--rojo);
  border-color: var(--rojo);
}

.slider-btn.prev {
  left: 24px;
}
.slider-btn.next {
  right: 24px;
}

/* Dots */
.slider-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  border: none;
  cursor: pointer;
  transition:
    background var(--transicion),
    transform var(--transicion);
  padding: 0;
}

.dot.active {
  background: var(--rojo);
  transform: scale(1.3);
}

.red-text {
  color: var(--rojo);
}

/* =============================================
   SECCIONES GENERALES
   ============================================= */
.section-label {
  display: inline-block;
  font-family: var(--font-titulo);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--rojo);
  margin-bottom: 8px;
}

.section-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.section-inner h2,
.products-header h2 {
  font-family: var(--font-titulo);
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--negro);
  margin-bottom: 12px;
}

.about-divider {
  width: 50px;
  height: 4px;
  background: var(--rojo);
  margin: 0 auto 24px;
  border-radius: 2px;
}

.section-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}

.section-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================
   HISTORIA
   ============================================= */
.about-us {
  padding: 80px 24px;
  background-color: var(--blanco);
}

.about-us p {
  font-size: 1.05rem;
  color: var(--gris-medio);
  line-height: 1.85;
  max-width: 720px;
  margin: 0 auto;
}

/* =============================================
   MISIÓN / VISIÓN
   ============================================= */
.mision-section {
  padding: 60px 24px;
  background-color: var(--gris-claro);
}

.mision-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1100px;
  margin: 0 auto;
}

.mision-card {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--sombra);
  transition:
    transform var(--transicion),
    box-shadow var(--transicion);
}

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

.mision-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.mision-card h3 {
  font-family: var(--font-titulo);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--negro);
  margin-bottom: 12px;
}

.mision-card p {
  font-size: 0.9rem;
  color: var(--gris-medio);
  line-height: 1.7;
}

/* =============================================
   PRODUCTOS — TABS
   ============================================= */
#productos {
  padding: 80px 24px;
  background-color: var(--blanco);
}

.products-header {
  text-align: center;
  margin-bottom: 40px;
}

.category-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 24px;
}

.tab-btn {
  background: var(--gris-claro);
  color: var(--gris-oscuro);
  font-family: var(--font-titulo);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 10px 20px;
  border-radius: 30px;
  border: 2px solid transparent;
  transition: all var(--transicion);
}

.tab-btn:hover {
  border-color: var(--rojo);
  color: var(--rojo);
}

.tab-btn.active {
  background: var(--rojo);
  color: var(--blanco);
  border-color: var(--rojo);
}

.tab-section {
  display: none;
}

.tab-section.active {
  display: block;
}

/* Grid de productos */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 28px;
  max-width: 1200px;
  margin: 0 auto;
}

/* Tarjeta de producto */
.product-card {
  background: var(--blanco);
  border: 1px solid #e8e8e8;
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra);
  transition:
    transform var(--transicion),
    box-shadow var(--transicion);
  display: flex;
  flex-direction: column;
}

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

.product-img-wrap {
  overflow: hidden;
  background-color: var(--gris-claro);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.5s ease;
}

.product-card:hover .product-img-wrap img {
  transform: scale(1.06);
}

.product-info {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-info h3 {
  font-family: var(--font-titulo);
  font-size: 1rem;
  font-weight: 700;
  color: var(--negro);
  margin-bottom: 12px;
}

.product-specs {
  list-style: none;
  padding: 0;
  margin-bottom: 14px;
  flex: 1;
}

.product-specs li {
  font-size: 0.82rem;
  color: var(--gris-medio);
  padding: 3px 0;
  border-bottom: 1px solid #f0f0f0;
}

.product-specs li:last-child {
  border-bottom: none;
}

.product-specs li span {
  font-weight: 600;
  color: var(--gris-oscuro);
}

.product-price {
  font-family: var(--font-titulo);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--rojo);
  margin-bottom: 14px;
}

.btn-cart {
  background-color: var(--rojo);
  color: var(--blanco);
  font-family: var(--font-titulo);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 10px 16px;
  border-radius: 4px;
  width: 100%;
  transition:
    background-color var(--transicion),
    transform 0.15s ease;
}
/* ===== BOTÓN WHATSAPP PRODUCTO ===== */
.btn-whatsapp-producto {
  display: block;
  background-color: #25d366;
  color: var(--blanco);
  font-family: var(--font-titulo);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 10px 16px;
  border-radius: 4px;
  width: 100%;
  text-align: center;
  transition: background-color var(--transicion);
}

.btn-whatsapp-producto:hover {
  background-color: #1da851;
}

.btn-cart:hover {
  background-color: var(--rojo-oscuro);
}

.btn-cart:active {
  transform: scale(0.97);
}

.empty-category {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--gris-medio);
  font-style: italic;
}

/* =============================================
   CONTACTO
   ============================================= */
.contact-section {
  padding: 80px 24px;
  background-color: var(--gris-claro);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  max-width: 900px;
  margin: 32px auto 0;
  text-align: left;
}

.contact-info h3 {
  font-family: var(--font-titulo);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--negro);
  margin-bottom: 16px;
}

.contact-info p {
  margin-bottom: 10px;
  font-size: 0.95rem;
  color: var(--gris-medio);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-family: var(--font-titulo);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gris-oscuro);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid #ddd;
  border-radius: var(--radio);
  font-family: var(--font-cuerpo);
  font-size: 0.95rem;
  color: var(--gris-oscuro);
  background: var(--blanco);
  transition:
    border-color var(--transicion),
    box-shadow var(--transicion);
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--rojo);
  box-shadow: 0 0 0 3px rgba(232, 17, 17, 0.12);
}

.btn-submit {
  background-color: var(--rojo);
  color: var(--blanco);
  font-family: var(--font-titulo);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: 4px;
  transition: background-color var(--transicion);
  align-self: flex-start;
}

.btn-submit:hover {
  background-color: var(--rojo-oscuro);
}

/* =============================================
   FOOTER
   ============================================= */
footer {
  background-color: var(--negro);
  color: rgba(255, 255, 255, 0.75);
  padding: 60px 24px 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  max-width: 1100px;
  margin: 0 auto;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo img {
  height: 48px;
  width: auto;
  margin-bottom: 12px;
  filter: brightness(0) invert(1);
}

.footer-logo p {
  font-size: 0.85rem;
  line-height: 1.6;
}

.footer-links h4,
.footer-social h4 {
  font-family: var(--font-titulo);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blanco);
  margin-bottom: 16px;
}

.footer-links ul li {
  margin-bottom: 8px;
}

.footer-links ul li a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transicion);
}

.footer-links ul li a:hover {
  color: var(--rojo);
}

.social-icons {
  display: flex;
  gap: 14px;
}

.social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transition:
    background var(--transicion),
    transform var(--transicion);
}

.social-icons a:hover {
  background: var(--rojo);
  transform: translateY(-3px);
}

.social-icons img {
  width: 18px;
  height: 18px;
  filter: brightness(0) invert(1);
}

.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 0;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
}

/* =============================================
   RESPONSIVE — TABLET (max 1024px)
   ============================================= */
@media (max-width: 1024px) {
  .mision-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

  .footer-logo {
    grid-column: 1 / -1;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* =============================================
   RESPONSIVE — TABLET chica (max 768px)
   ============================================= */
@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .nav-menu {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  #hero {
    height: 65vh;
    min-height: 380px;
  }

  .slide-content {
    padding: 0 6% 50px;
  }

  .btn-hero {
    padding: 12px 24px;
    font-size: 0.85rem;
  }

  .slider-btn {
    width: 38px;
    height: 38px;
    font-size: 1rem;
  }

  .slider-btn.prev {
    left: 14px;
  }
  .slider-btn.next {
    right: 14px;
  }

  .mision-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-logo {
    grid-column: auto;
  }

  .about-us,
  #productos,
  .contact-section {
    padding: 60px 16px;
  }

  .mision-section {
    padding: 48px 16px;
  }
}

/* =============================================
   RESPONSIVE — MOBILE (max 480px)
   ============================================= */
@media (max-width: 480px) {
  :root {
    --nav-height: 60px;
  }

  .logo-nav img {
    height: 42px;
  }

  #hero {
    height: 60vh;
    min-height: 340px;
  }

  .slide-content {
    padding: 0 5% 40px;
    justify-content: flex-end;
  }

  .products-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .product-img-wrap {
    aspect-ratio: 16/9;
  }

  .category-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .category-tabs::-webkit-scrollbar {
    display: none;
  }

  .tab-btn {
    white-space: nowrap;
    flex-shrink: 0;
  }

  .btn-submit {
    width: 100%;
    text-align: center;
  }

  .about-us,
  #productos,
  .contact-section {
    padding: 50px 14px;
  }
}
/* ===== SUBTABS SEGURIDAD ===== */
.subtabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 0 auto 32px;
  max-width: 1200px;
}

.subtab-btn {
  background: var(--gris-claro);
  color: var(--gris-oscuro);
  font-family: var(--font-titulo);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 8px 20px;
  border-radius: 30px;
  border: 2px solid transparent;
  transition: all var(--transicion);
}

.subtab-btn:hover {
  border-color: var(--rojo);
  color: var(--rojo);
}

.subtab-btn.active {
  background: var(--negro);
  color: var(--blanco);
  border-color: var(--negro);
}

.subtab-section {
  display: none;
}

.subtab-section.active {
  display: block;
}
/* ===== BOTÓN WHATSAPP FLOTANTE ===== */

.whatsapp-widget {
  position: fixed;
  bottom: 28px;
  right: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 9999;
}

.whatsapp-bubble {
  background-color: var(--blanco);
  border-radius: 20px 20px 0px 20px;
  padding: 10px 16px;
  font-family: var(--font-titulo);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gris-oscuro);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  white-space: nowrap;
  animation: fadeInBubble 0.5s ease;
}

.btn-whatsapp {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  transition:
    transform var(--transicion),
    box-shadow var(--transicion);
  flex-shrink: 0;
}

.btn-whatsapp:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
}

.btn-whatsapp img {
  width: 58px;
  height: 58px;
}

@keyframes fadeInBubble {
  from {
    opacity: 0;
    transform: translateX(10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Mobile */
@media (max-width: 768px) {
  .whatsapp-bubble {
    display: block;
    font-size: 0.75rem;
    padding: 8px 12px;
  }
}

/* ===== FOOTER CREADOR ===== */
.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 0 80px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-creador {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 8px 16px;
}

.footer-creador span {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  white-space: nowrap;
}

.footer-creador img {
  height: 48px;
  width: auto;
  filter: none;
  opacity: 1;
  border-radius: 6px;
  transition:
    transform var(--transicion),
    box-shadow var(--transicion);
}

.footer-creador img:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.aviso-legal {
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--transicion);
}

.aviso-legal:hover {
  color: var(--rojo);
}

@media (max-width: 768px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }

  .footer-creador {
    width: 100%;
    justify-content: center;
  }
}
/* ===== RINOCERONTE MARCA DE AGUA ===== */
.rino-watermark {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  pointer-events: none;
  animation: rinoFloat 6s ease-in-out infinite;
}

.rino-watermark img {
  width: 100%;
  max-width: 900px;
  height: auto;
  opacity: 0.01;
  filter: invert(1);
}

@keyframes rinoFloat {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-12px);
  }
  100% {
    transform: translateY(0px);
  }
}
/* ===== LOADER ===== */
#loader {
  position: fixed;
  inset: 0;
  background: #ffffff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  gap: 36px;
  transition: opacity 0.6s ease;
}

#loader img {
  width: 220px;
  height: auto;
  opacity: 0;
  transform: scale(0.75);
  transition:
    opacity 0.8s ease,
    transform 0.8s ease;
}

#loader img.show {
  opacity: 1;
  transform: scale(1);
}

#loader-bar-wrap {
  width: 280px;
  height: 6px;
  background: rgba(0, 0, 0, 0.08);
  border-radius: 3px;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.4s ease;
}

#loader-bar-wrap.show {
  opacity: 1;
}

#loader-bar {
  height: 100%;
  width: 0%;
  background: #e81111;
  border-radius: 3px;
}

#loader.hide {
  opacity: 0;
  pointer-events: none;
}
#loader-pct {
  font-family: "Montserrat", sans-serif;
  font-size: 12px;
  font-weight: 600;
  color: #999;
  letter-spacing: 2px;
  opacity: 0;
  transition: opacity 0.4s ease;
  margin-top: -20px;
}

#loader-pct.show {
  opacity: 1;
}
/* ===== LIGHTBOX ===== */
#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 99998;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  animation: fadeIn 0.3s ease;
}

#lightbox.open {
  display: flex;
}

#lightbox-img {
  max-width: 85%;
  max-height: 75vh;
  border-radius: 8px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
  animation: zoomIn 0.3s ease;
  object-fit: contain;
}

@keyframes zoomIn {
  from {
    transform: scale(0.85);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

#lightbox-caption {
  font-family: var(--font-titulo);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 600;
  letter-spacing: 1px;
}

#lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: white;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  transition: background var(--transicion);
  display: flex;
  align-items: center;
  justify-content: center;
}

#lightbox-close:hover {
  background: var(--rojo);
}

#lightbox-prev,
#lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: white;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  transition: all var(--transicion);
  display: flex;
  align-items: center;
  justify-content: center;
}

#lightbox-prev:hover,
#lightbox-next:hover {
  background: var(--rojo);
  border-color: var(--rojo);
}

#lightbox-prev {
  left: 20px;
}
#lightbox-next {
  right: 20px;
}

@media (max-width: 480px) {
  #lightbox-img {
    max-width: 95%;
  }
  #lightbox-prev {
    left: 8px;
  }
  #lightbox-next {
    right: 8px;
  }
}

/* estilos generales ... */

/* estilos para la grilla */
.product-card.grilla {
  background: #f5f5f5;
  border: 1px solid #ddd;
}

.product-card.grilla h3 {
  color: #2c3e50;
}

.product-card.grilla p {
  font-size: 0.95em;
  line-height: 1.5;
}
/* ===== ENVÍOS ===== */
.envios-section {
    padding: 80px 24px;
    background-color: #1a1a1a;
}

.envios-section .section-label {
    color: var(--rojo);
}

.envios-section h2 {
    color: var(--blanco);
}

.envios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    max-width: 1100px;
    margin: 32px auto 0;
}

.envio-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-top: 3px solid var(--rojo);
    border-radius: var(--radio);
    padding: 32px 24px;
    text-align: center;
    transition: transform var(--transicion), background var(--transicion);
}

.envio-card:hover {
    transform: translateY(-6px);
    background: rgba(255,255,255,0.08);
}

.envio-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.envio-card h3 {
    font-family: var(--font-titulo);
    font-size: 1rem;
    font-weight: 700;
    color: var(--blanco);
    margin-bottom: 12px;
}

.envio-card p {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.75;
}

.envio-card strong {
    color: var(--blanco);
    font-weight: 700;
}

@media (max-width: 768px) {
    .envios-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
    }
}