/* ============================================
   CROMALLA - MAIN CSS (Mobile-First)
   Web de emergencia temporal
   ============================================ */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  line-height: 1.6;
}

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

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

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

ul, ol {
  list-style: none;
}

/* === VARIABLES CSS === */
:root {
  /* Colores principales */
  --color-primary: #2C3E50;
  --color-primary-light: #34495E;
  --color-primary-dark: #1A252F;

  --color-secondary: #E74C3C;
  --color-secondary-light: #EC7063;

  --color-accent: #3498DB;

  /* Neutros */
  --color-white: #FFFFFF;
  --color-gray-100: #F8F9FA;
  --color-gray-200: #E9ECEF;
  --color-gray-300: #DEE2E6;
  --color-gray-600: #6C757D;
  --color-gray-800: #343A40;
  --color-gray-900: #212529;
  --color-black: #000000;

  /* WhatsApp */
  --color-whatsapp: #25D366;

  /* Tipografía */
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;

  /* Espaciados */
  --spacing-xs: 0.5rem;    /* 8px */
  --spacing-sm: 1rem;      /* 16px */
  --spacing-md: 2rem;      /* 32px */
  --spacing-lg: 3rem;      /* 48px */
  --spacing-xl: 4rem;      /* 64px */

  /* Sombras */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
  --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);

  /* Transiciones */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Container */
  --container-max-width: 1200px;
  --container-padding: 1rem;
}

/* === BASE STYLES === */
body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-gray-900);
  background-color: var(--color-white);
}

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

h1 { font-size: 2rem; }       /* 32px mobile */
h2 { font-size: 1.5rem; }     /* 24px mobile */
h3 { font-size: 1.25rem; }    /* 20px mobile */
h4 { font-size: 1.125rem; }   /* 18px mobile */

p {
  margin-bottom: var(--spacing-sm);
}

strong {
  font-weight: 700;
}

/* === HEADER & NAVIGATION === */
.header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  min-height: 60px;
}

.logo img {
  height: 40px;
  width: auto;
}

/* Mobile menu toggle */
.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 101;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--color-primary);
  transition: var(--transition-normal);
}

.menu-toggle--active span:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

.menu-toggle--active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle--active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile navigation */
.nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 300px;
  height: 100vh;
  background-color: var(--color-white);
  box-shadow: var(--shadow-lg);
  transition: right var(--transition-normal);
  z-index: 99;
  overflow-y: auto;
}

.nav--active {
  right: 0;
}

.nav__list {
  padding: 80px var(--spacing-sm) var(--spacing-md);
}

.nav__list li {
  margin-bottom: var(--spacing-sm);
}

.nav__list a {
  display: block;
  padding: var(--spacing-sm);
  font-size: 1.125rem;
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

.nav__list a:hover {
  color: var(--color-accent);
}


/* === BUTTONS === */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border-radius: 6px;
  transition: all var(--transition-normal);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn--primary {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.btn--primary:hover {
  background-color: var(--color-secondary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn--whatsapp {
  background-color: var(--color-whatsapp);
  color: var(--color-white);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn--whatsapp:hover {
  background-color: #20BA5A;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--whatsapp img {
  width: 20px;
  height: 20px;
  display: inline-block;
}

.btn--large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn--small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* === WHATSAPP FLOATING BUTTON === */
.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 60px;
  height: 60px;
  background-color: var(--color-whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 98;
  transition: transform var(--transition-normal);
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

.whatsapp-float img {
  width: 32px;
  height: 32px;
  filter: brightness(0) invert(1);
}

/* === HERO SECTION === */
.hero {
  position: relative;
  background-image:
    linear-gradient(135deg, rgba(44, 62, 80, 0.85) 0%, rgba(52, 73, 94, 0.85) 100%),
    url('../images/hero-banner.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--color-white);
  padding: var(--spacing-xl) 0;
  text-align: center;
  min-height: 500px;
  display: flex;
  align-items: center;
}

.hero__content h1 {
  color: var(--color-white);
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.hero__subtitle {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-gray-200);
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  align-items: center;
}

/* Botones en el hero con mejor contraste */
.hero .btn--secondary {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

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

/* === PRODUCTS GRID === */
.productos-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin: var(--spacing-md) 0;
}

.producto-card {
  background-color: var(--color-white);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.producto-card__image {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background-color: var(--color-gray-100);
}

.producto-card__content {
  padding: var(--spacing-sm);
}

.producto-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.producto-card__description {
  font-size: 0.875rem;
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-sm);
  line-height: 1.5;
}

.producto-card__actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

/* === FILTERS === */
.filtros {
  display: flex;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--spacing-xs);
}

.filtro-btn {
  padding: 0.5rem 1rem;
  background-color: var(--color-gray-100);
  color: var(--color-gray-800);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.filtro-btn:hover {
  background-color: var(--color-gray-200);
}

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

/* === FORMS === */
.form {
  max-width: 600px;
  margin: 0 auto;
}

.form__grid {
  display: grid;
  gap: var(--spacing-sm);
}

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

.form__group label {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary);
}

.form__group input,
.form__group select,
.form__group textarea {
  padding: 0.75rem;
  border: 2px solid var(--color-gray-300);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color var(--transition-fast);
}

.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form__group input::placeholder,
.form__group textarea::placeholder {
  color: var(--color-gray-600);
}

.form__actions {
  margin-top: var(--spacing-md);
  text-align: center;
}

/* === FOOTER === */
.footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.footer__col h3 {
  color: var(--color-white);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
}

.footer__logo {
  height: 40px;
  width: auto;
  margin-bottom: var(--spacing-sm);
}

.footer__col ul li {
  margin-bottom: var(--spacing-xs);
}

.footer__col a {
  color: var(--color-gray-200);
  transition: color var(--transition-fast);
}

.footer__col a:hover {
  color: var(--color-white);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  text-align: center;
  color: var(--color-gray-300);
  font-size: 0.875rem;
}

/* === SECTIONS === */
section {
  padding: var(--spacing-lg) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

/* === UTILITIES === */
.text-center { text-align: center; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

/* === LAZY LOADING === */
img.lazy {
  opacity: 0;
  transition: opacity var(--transition-normal);
}

img.lazy.loaded {
  opacity: 1;
}

/* === SEO CONTENT === */
.about-seo {
  background-color: var(--color-gray-100);
  padding: var(--spacing-md);
  border-radius: 8px;
  margin: var(--spacing-lg) 0;
}

.about-seo h2 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.about-seo p {
  line-height: 1.7;
  color: var(--color-gray-800);
}

/* === BREADCRUMBS === */
.breadcrumbs {
  padding: var(--spacing-sm) 0;
  font-size: 0.875rem;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  list-style: none;
}

.breadcrumbs li {
  display: flex;
  align-items: center;
}

.breadcrumbs li:not(:last-child)::after {
  content: '/';
  margin-left: var(--spacing-xs);
  color: var(--color-gray-600);
}

.breadcrumbs a {
  color: var(--color-accent);
  text-decoration: none;
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

.breadcrumbs li[aria-current="page"] {
  color: var(--color-gray-600);
}

/* === MODAL PRODUCTO === */
.modal-producto {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 1000;
  overflow-y: auto;
}

.modal-producto.active {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.modal-content {
  background-color: var(--color-white);
  border-radius: 12px;
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  width: 40px;
  height: 40px;
  background-color: var(--color-white);
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 10;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background-color: var(--color-gray-100);
  transform: scale(1.1);
}

.modal-body {
  padding: var(--spacing-lg);
}

.modal-images {
  margin-bottom: var(--spacing-md);
}

.modal-image-main {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: var(--spacing-sm);
}

.modal-image-thumbs {
  display: flex;
  gap: var(--spacing-xs);
  overflow-x: auto;
}

.modal-thumb {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 4px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-fast);
}

.modal-thumb:hover,
.modal-thumb.active {
  border-color: var(--color-primary);
}

.modal-info h2 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.modal-info p {
  color: var(--color-gray-800);
  margin-bottom: var(--spacing-md);
}

.modal-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

/* Hacer tarjetas clickeables */
.producto-card {
  cursor: pointer;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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