/* =====================================================
   GRUPO_RATIO — Estilos principales
   Mobile First · CSS3 · Sin frameworks externos
   ===================================================== */

/* ---- Variables ---- */
:root {
  --primary:       #D32F2F;
  --primary-dark:  #B71C1C;
  --primary-light: #EF5350;
  --dark:          #333333;
  --dark-2:        #1A1A1A;
  --gray:          #666666;
  --gray-light:    #999999;
  --light:         #F5F5F5;
  --white:         #FFFFFF;
  --whatsapp:      #25D366;
  --whatsapp-dark: #1DA851;

  --font-base: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-size-base: 1rem;
  --line-height: 1.6;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.18);

  --transition: 0.3s ease;

  --container: 1200px;
  --header-h:  72px;
}

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

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

body {
  font-family: var(--font-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--dark);
  background: var(--white);
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea, select { font: inherit; }

/* ---- Utilidades ---- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.text-primary  { color: var(--primary); }
.text-center   { text-align: center; }

/* ---- Secciones ---- */
.section {
  padding: 5rem 0;
}

.section--dark {
  background: var(--dark);
  color: var(--white);
}

.section--gray {
  background: var(--light);
}

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3.5rem;
}

.section__header--light .section__title,
.section__header--light .section__desc {
  color: var(--white);
}

.section__tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  background: rgba(211,47,47,0.1);
  padding: 0.3rem 0.9rem;
  border-radius: 99px;
  margin-bottom: 0.75rem;
}

.section__tag--light {
  background: rgba(211,47,47,0.2);
}

.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--dark);
  margin-bottom: 1rem;
}

.section__desc {
  font-size: 1.05rem;
  color: var(--gray);
}

.section__desc--light {
  color: rgba(255,255,255,0.65);
}

/* ---- Botones ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 700;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: 1.05rem;
}

.btn--sm {
  padding: 0.45rem 1.1rem;
  font-size: 0.875rem;
  font-weight: 600;
  gap: 0.35rem;
  align-self: flex-start;
}

.btn--full {
  width: 100%;
  justify-content: center;
}

.btn--primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(211,47,47,0.35);
}
.btn--primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(211,47,47,0.45);
}

.btn--whatsapp {
  background: var(--whatsapp);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(37,211,102,0.35);
}
.btn--whatsapp:hover {
  background: var(--whatsapp-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37,211,102,0.45);
}

.btn--outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  box-shadow: none;
}
.btn--outline:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.btn__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* =====================================================
   HEADER
   ===================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(26,26,26,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo__icon {
  font-size: 1.5rem;
  color: var(--primary);
}

.logo__text {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: 0.02em;
}

.logo__accent { color: var(--primary); }

.logo__img {
  height: 40px;
  width: auto;
  object-fit: contain;
}

/* Nav */
.nav {
  display: none;
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--dark-2);
  padding: 2rem;
  overflow-y: auto;
}

.nav.open { display: block; }

.nav__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.nav__link {
  display: block;
  padding: 0.85rem 1rem;
  color: rgba(255,255,255,0.8);
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.nav__link:hover,
.nav__link.active {
  color: var(--white);
  background: rgba(211,47,47,0.15);
  color: var(--primary);
}

.nav__link--cta {
  margin-top: 0.5rem;
  background: var(--primary);
  color: var(--white) !important;
  text-align: center;
}
.nav__link--cta:hover {
  background: var(--primary-dark) !important;
}

.nav__link--tienda {
  display: inline-flex !important;
  align-items: center;
  gap: 0.4rem;
  border: 1.5px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-md);
  color: var(--white) !important;
  padding: 0.45rem 1rem !important;
  margin-top: 0.5rem;
  transition: all var(--transition);
}
.nav__link--tienda svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}
.nav__link--tienda:hover,
.nav__link--tienda.active {
  background: var(--primary) !important;
  border-color: var(--primary) !important;
  color: var(--white) !important;
}

/* =====================================================
   TIENDA — Estilos exclusivos de tienda.html
   ===================================================== */
.store-hero {
  background: linear-gradient(135deg, var(--dark-2) 0%, #2a2a2a 100%);
  padding: 7rem 0 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.store-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 60% at 50% 50%, rgba(211,47,47,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.store-hero__content {
  position: relative;
  z-index: 1;
}

.store-hero__title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.store-hero__desc {
  color: rgba(255,255,255,0.6);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 0 auto;
}

/* Barra de búsqueda */
.store-search-wrap {
  max-width: 620px;
  margin: 0 auto 1.5rem;
}

.store-search {
  position: relative;
  display: flex;
  align-items: center;
}

.store-search__icon {
  position: absolute;
  left: 1rem;
  width: 20px;
  height: 20px;
  color: var(--gray-light);
  pointer-events: none;
  flex-shrink: 0;
  transition: color var(--transition);
}

.store-search__input {
  width: 100%;
  padding: 0.9rem 3rem 0.9rem 3rem;
  border: 2px solid rgba(0,0,0,0.1);
  border-radius: var(--radius-xl);
  font-size: 1rem;
  color: var(--dark);
  background: var(--white);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-sm);
}

.store-search__input::placeholder {
  color: var(--gray-light);
}

.store-search__input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(211,47,47,0.1);
}

.store-search__input:focus + .store-search__icon,
.store-search:focus-within .store-search__icon {
  color: var(--primary);
}

.store-search__clear {
  position: absolute;
  right: 0.85rem;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(0,0,0,0.07);
  color: var(--gray);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}

.store-search__clear svg {
  width: 14px;
  height: 14px;
}

.store-search__clear:hover {
  background: var(--primary);
  color: var(--white);
}

.store-search__clear[hidden] { display: none; }

/* Filtros */
.store-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  padding: 2rem 0 0;
}

.filter-btn {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1.1rem;
  border-radius: 99px;
  border: 1.5px solid rgba(0,0,0,0.12);
  color: var(--gray);
  background: var(--white);
  transition: all var(--transition);
  cursor: pointer;
}

.filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(211,47,47,0.3);
}

/* Grid de tienda */
.store-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding-top: 2.5rem;
}

/* Tarjeta de producto en tienda */
.store-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.store-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: transparent;
}

.store-card[hidden] {
  display: none;
}

.store-card__image {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--slide-bg, var(--light));
  background-image: var(--slide-img);
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.store-card__image svg {
  width: 60px;
  height: 60px;
  opacity: 0.35;
}

.store-card__badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--primary);
  color: var(--white);
  padding: 0.25rem 0.65rem;
  border-radius: 99px;
}

.store-card__body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 0.5rem;
}

.store-card__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.3;
}

.store-card__desc {
  font-size: 0.85rem;
  color: var(--gray);
  line-height: 1.5;
  flex: 1;
}

.store-card__price {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gray-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.store-card__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1rem;
  background: var(--whatsapp);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  margin-top: 0.25rem;
}
.store-card__cta svg {
  width: 16px;
  height: 16px;
}
.store-card__cta:hover {
  background: var(--whatsapp-dark);
  transform: translateY(-1px);
}

/* Contador de resultados */
.store-count {
  font-size: 0.875rem;
  color: var(--gray-light);
  text-align: center;
  padding-top: 1rem;
}

/* Vacío */
.store-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 1rem;
  color: var(--gray-light);
}

.store-empty svg {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  opacity: 0.4;
}

/* Responsive tienda */
@media (min-width: 560px) {
  .store-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .store-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1200px) {
  .store-grid { grid-template-columns: repeat(4, 1fr); }
}

/* Hamburger */
.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
  transform-origin: center;
}

.nav-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* =====================================================
   HERO
   ===================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  background: #0d0d0f;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 75% 65% at 95% 5%,  rgba(211,47,47,0.18) 0%, transparent 55%),
    radial-gradient(ellipse 55% 50% at 5%  95%,  rgba(211,47,47,0.10) 0%, transparent 50%),
    radial-gradient(ellipse 60% 80% at 50% 110%, rgba(180,30,30,0.12)  0%, transparent 55%),
    repeating-linear-gradient(
      -45deg,
      transparent          0px,
      transparent          58px,
      rgba(255,255,255,0.018) 58px,
      rgba(255,255,255,0.018) 59px
    );
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, #D32F2F 30%, #D32F2F 70%, transparent);
  opacity: 0.55;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      90deg,
      rgba(211,47,47,0.03) 0px,
      rgba(211,47,47,0.03) 1px,
      transparent 1px,
      transparent 60px
    ),
    repeating-linear-gradient(
      0deg,
      rgba(211,47,47,0.03) 0px,
      rgba(211,47,47,0.03) 1px,
      transparent 1px,
      transparent 60px
    );
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  padding: 4rem 0;
  max-width: 750px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(211,47,47,0.15);
  border: 1px solid rgba(211,47,47,0.3);
  color: var(--primary-light);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.4rem 1rem;
  border-radius: 99px;
  margin-bottom: 1.5rem;
}

.hero__title {
  font-size: clamp(2rem, 6vw, 3.75rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 1.25rem;
}

.hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: rgba(255,255,255,0.65);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.hero__stat {
  display: flex;
  flex-direction: column;
}

.hero__stat strong {
  font-size: 2rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
}

.hero__stat span {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  margin-top: 0.25rem;
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.4);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 1;
}

.hero__scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid rgba(255,255,255,0.3);
  border-bottom: 2px solid rgba(255,255,255,0.3);
  transform: rotate(45deg);
  animation: bounce 1.8s infinite;
}

@keyframes bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); opacity: 0.4; }
  50%       { transform: rotate(45deg) translateY(6px); opacity: 0.9; }
}

/* =====================================================
   PRODUCTOS
   ===================================================== */
.products-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.product-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: transparent;
}

.product-card:hover::before {
  transform: scaleX(1);
}

.product-card__icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--card-color, var(--primary)) 15%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--card-color, var(--primary));
  transition: transform var(--transition);
}

.product-card__icon svg {
  width: 38px;
  height: 38px;
}

.product-card:hover .product-card__icon {
  transform: scale(1.1);
}

.product-card__name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 0.5rem;
}

.product-card__desc {
  font-size: 0.9rem;
  color: var(--gray);
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.product-card__link {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: gap var(--transition);
}

.product-card__link:hover {
  gap: 0.6rem;
}

/* =====================================================
   SERVICIOS
   ===================================================== */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.service-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all var(--transition);
}

.service-card:hover {
  background: rgba(211,47,47,0.08);
  border-color: rgba(211,47,47,0.3);
  transform: translateY(-4px);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  background: rgba(211,47,47,0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--primary);
  transition: background var(--transition);
}

.service-card__icon svg {
  width: 28px;
  height: 28px;
}

.service-card:hover .service-card__icon {
  background: var(--primary);
  color: var(--white);
}

.service-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.service-card__desc {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.service-card__list li {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.75);
}

/* =====================================================
   NOSOTROS
   ===================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.about__image-wrap {
  position: relative;
}

.about__image-placeholder {
  width: 100%;
  max-width: 480px;
  aspect-ratio: 1;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  background: var(--light);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.about__image-placeholder svg {
  width: 100%;
  height: 100%;
}

.about__badge {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--primary);
  color: var(--white);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.about__badge strong {
  display: block;
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
}

.about__badge span {
  font-size: 0.8rem;
  opacity: 0.9;
}

.about__text {
  color: var(--gray);
  margin-bottom: 1rem;
  line-height: 1.8;
}

/* MVV Tabs */
.mvv-tabs {
  margin-top: 2rem;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.mvv-tab-buttons {
  display: flex;
  background: var(--light);
}

.mvv-btn {
  flex: 1;
  padding: 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray);
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
}

.mvv-btn.active {
  color: var(--primary);
  border-color: var(--primary);
  background: var(--white);
}

.mvv-btn:hover:not(.active) {
  color: var(--dark);
}

.mvv-content {
  padding: 1.5rem;
  background: var(--white);
}

.mvv-panel {
  display: none;
  color: var(--gray);
  font-size: 0.95rem;
  line-height: 1.7;
  animation: fadeIn 0.3s ease;
}

.mvv-panel.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.valores-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.valores-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.valores-list span {
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

/* =====================================================
   BENEFICIOS
   ===================================================== */
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.benefit-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}

.benefit-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(to right, var(--primary), var(--primary-light));
  transform: scaleX(0);
  transition: transform var(--transition);
}

.benefit-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.benefit-card:hover::after {
  transform: scaleX(1);
}

.benefit-card__icon {
  width: 52px;
  height: 52px;
  background: rgba(211,47,47,0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 1rem;
}

.benefit-card__icon svg {
  width: 28px;
  height: 28px;
}

.benefit-card__number {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  font-size: 3rem;
  font-weight: 900;
  color: rgba(211,47,47,0.06);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.benefit-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 0.6rem;
}

.benefit-card__desc {
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.6;
}

/* =====================================================
   TESTIMONIOS
   ===================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.testimonial-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  position: relative;
}

.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 1rem; right: 1.5rem;
  font-size: 5rem;
  line-height: 1;
  color: rgba(211,47,47,0.1);
  font-family: Georgia, serif;
}

.testimonial-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(211,47,47,0.2);
}

.testimonial-card__stars {
  display: flex;
  gap: 2px;
  margin-bottom: 1rem;
  color: #FFB300;
  font-size: 1.1rem;
}

.testimonial-card__text {
  font-size: 0.95rem;
  color: var(--gray);
  line-height: 1.8;
  font-style: italic;
  margin-bottom: 1.5rem;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.testimonial-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.testimonial-card__author strong {
  display: block;
  font-size: 0.95rem;
  color: var(--dark);
}

.testimonial-card__author span {
  font-size: 0.8rem;
  color: var(--gray-light);
}

/* =====================================================
   CONTACTO
   ===================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.contact-info-items {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-info-item__icon {
  width: 40px;
  height: 40px;
  background: rgba(211,47,47,0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.contact-info-item__icon svg {
  width: 20px;
  height: 20px;
}

.contact-info-item div {
  display: flex;
  flex-direction: column;
}

.contact-info-item strong {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.5);
  margin-bottom: 0.2rem;
}

.contact-info-item span {
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
}

/* Formulario */
.contact__form-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.contact-form__title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 1.75rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 0.4rem;
}

.form-input {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1.5px solid rgba(0,0,0,0.12);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--dark);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(211,47,47,0.12);
}

.form-input.error {
  border-color: #E53935;
  box-shadow: 0 0 0 3px rgba(229,57,53,0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 130px;
}

.form-error {
  display: block;
  font-size: 0.8rem;
  color: #E53935;
  margin-top: 0.3rem;
  min-height: 1em;
}

.form-success {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: #E8F5E9;
  color: #2E7D32;
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-top: 1rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.form-success svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: #2E7D32;
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
  background: var(--dark-2);
  color: rgba(255,255,255,0.6);
  padding-top: 4rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer__slogan {
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 600;
  margin: 0.5rem 0 0.75rem;
}

.footer__desc {
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  max-width: 300px;
}

.footer__social {
  display: flex;
  gap: 0.75rem;
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.07);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  transition: all var(--transition);
}

.social-link svg {
  width: 20px;
  height: 20px;
}

.social-link:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-3px);
}

.footer__heading {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--white);
  margin-bottom: 1rem;
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer__list a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}

.footer__list a:hover {
  color: var(--primary);
}

.footer__list--contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.875rem;
}

.footer__list--contact svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--primary);
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
  padding: 1.5rem 0;
  font-size: 0.8rem;
}

/* =====================================================
   WHATSAPP FLOTANTE
   ===================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  width: 58px;
  height: 58px;
  background: var(--whatsapp);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.5);
  transition: all var(--transition);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
}

.whatsapp-float:hover {
  background: var(--whatsapp-dark);
  transform: scale(1.12);
  box-shadow: 0 6px 28px rgba(37,211,102,0.6);
}

.whatsapp-float__tooltip {
  position: absolute;
  right: calc(100% + 14px);
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  background: var(--dark);
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition);
}

.whatsapp-float__tooltip::after {
  content: '';
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: var(--dark);
}

.whatsapp-float:hover .whatsapp-float__tooltip {
  opacity: 1;
}

/* =====================================================
   ANIMACIONES DE ENTRADA
   ===================================================== */
.animate-fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.7s ease forwards;
}

.animate-fade-up:nth-child(1) { animation-delay: 0.1s; }
.animate-fade-up:nth-child(2) { animation-delay: 0.2s; }
.animate-fade-up:nth-child(3) { animation-delay: 0.3s; }
.animate-fade-up:nth-child(4) { animation-delay: 0.45s; }
.animate-fade-up:nth-child(5) { animation-delay: 0.6s; }

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =====================================================
   RESPONSIVE — Tablets (768px+)
   ===================================================== */
@media (min-width: 768px) {

  /* Header */
  .nav-toggle { display: none; }

  .nav {
    display: block;
    position: static;
    background: none;
    padding: 0;
    overflow: visible;
  }

  .nav__list {
    flex-direction: row;
    align-items: center;
    gap: 0.25rem;
  }

  .nav__link {
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.75);
  }

  .nav__link--cta {
    margin-top: 0;
    padding: 0.5rem 1.2rem;
    border-radius: var(--radius-md);
  }

  /* Grids */
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* About */
  .about-grid {
    grid-template-columns: 1fr 1fr;
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  /* Footer */
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* =====================================================
   RESPONSIVE — Desktop (1024px+)
   ===================================================== */
@media (min-width: 1024px) {

  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
  }

  .about-grid {
    gap: 5rem;
  }
}

/* =====================================================
   CARRUSEL DE CATÁLOGO
   ===================================================== */
.carousel {
  position: relative;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}

.carousel__track-wrapper {
  overflow: hidden;
  border-radius: 0;
}

.carousel__track {
  display: flex;
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

/* ---- Slide ---- */
.carousel__slide {
  flex: 0 0 100%;
  min-width: 0;
  /* --slide-img se inyecta por JS cuando encuentra la foto en la carpeta.
     Si no hay foto, cae al gradiente --slide-bg como fondo de color. */
  background-image: var(--slide-img, var(--slide-bg, var(--dark)));
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  overflow: hidden;
  min-height: 480px;
  display: flex;
  align-items: stretch;
  transition: background-image 0.4s ease;
}

/* Capa de imagen real (opcional):
   Cuando el usuario añada background-image al atributo style del slide,
   este overlay garantiza que el texto siempre sea legible. */
.carousel__slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.38);
  z-index: 1;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

/* Patrón decorativo de fondo */
.carousel__slide::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      45deg,
      rgba(255,255,255,0.02) 0px,
      rgba(255,255,255,0.02) 1px,
      transparent 1px,
      transparent 20px
    );
  z-index: 1;
  pointer-events: none;
}

.carousel__slide-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 2.5rem 1.5rem;
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
  justify-content: center;
}

.carousel__slide-icon {
  width: 90px;
  height: 90px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  backdrop-filter: blur(6px);
  transition: transform 0.3s ease;
}

.carousel__slide-icon svg {
  width: 52px;
  height: 52px;
}

.carousel__slide:hover .carousel__slide-icon {
  transform: scale(1.08);
}

.carousel__slide-content {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.carousel__slide-number {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}

.carousel__slide-title {
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
}

.carousel__slide-desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  max-width: 520px;
}

.carousel__slide-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.carousel__slide-tags span {
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.85);
  padding: 0.3rem 0.75rem;
  border-radius: 99px;
}

/* ---- Botones prev/next ---- */
.carousel__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  border: 1.5px solid rgba(255,255,255,0.25);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
  transition: all 0.25s ease;
}

.carousel__btn svg {
  width: 20px;
  height: 20px;
}

.carousel__btn--prev { left: 1rem; }
.carousel__btn--next { right: 1rem; }

.carousel__btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-50%) scale(1.1);
}

.carousel__btn:disabled {
  opacity: 0.3;
  pointer-events: none;
}

/* ---- Dots ---- */
.carousel__dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.25rem 1rem 0;
}

.carousel__dot {
  width: 8px;
  height: 8px;
  border-radius: 99px;
  background: rgba(0,0,0,0.18);
  border: none;
  transition: all 0.3s ease;
  cursor: pointer;
  padding: 0;
}

.carousel__dot.active {
  width: 28px;
  background: var(--primary);
}

.carousel__dot:hover:not(.active) {
  background: rgba(0,0,0,0.35);
}

/* ---- Barra de progreso autoplay ---- */
.carousel__progress {
  height: 3px;
  background: rgba(0,0,0,0.08);
  overflow: hidden;
}

.carousel__progress-bar {
  height: 100%;
  background: var(--primary);
  width: 0%;
  transition: width 0.1s linear;
}

/* =====================================================
   RESPONSIVE CARRUSEL
   ===================================================== */
@media (min-width: 768px) {

  .carousel__slide {
    min-height: 520px;
  }

  .carousel__slide-inner {
    flex-direction: row;
    align-items: center;
    gap: 3rem;
    padding: 4rem 5rem;
  }

  .carousel__slide-icon {
    width: 140px;
    height: 140px;
    flex-shrink: 0;
  }

  .carousel__slide-icon svg {
    width: 80px;
    height: 80px;
  }

  .carousel__btn {
    width: 56px;
    height: 56px;
  }

  .carousel__btn--prev { left: 1.5rem; }
  .carousel__btn--next { right: 1.5rem; }
}

@media (min-width: 1024px) {

  .carousel__slide {
    min-height: 580px;
  }

  .carousel__slide-inner {
    padding: 5rem 6rem;
    gap: 4rem;
  }

  .carousel__slide-icon {
    width: 180px;
    height: 180px;
  }

  .carousel__slide-icon svg {
    width: 100px;
    height: 100px;
  }
}

/* =====================================================
   PREFERENCIAS DE MOVIMIENTO REDUCIDO
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .carousel__track { transition: none; }
  .carousel__progress-bar { transition: none; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}
.spin { animation: spin 0.9s linear infinite; }