/* =====================================================
   PROSOF – Hoja de estilos principal
   Versión: 1.0
   Descripción: Estilos globales, sistema de diseño,
   componentes y utilidades para todas las páginas.
   ===================================================== */

/* =====================================================
   1. VARIABLES CSS (Design Tokens)
   ===================================================== */
:root {
  /* Colores primarios – Charcoal industrial (DexignZone Industry) */
  --color-primary:       #13191F;
  --color-primary-dark:  #08090D;
  --color-primary-light: #1E2D42;

  /* Colores de acento – Ámbar/dorado industrial */
  --color-accent:        #E8A317;
  --color-accent-dark:   #C07A0A;
  --color-accent-light:  #F5BB3A;

  /* Colores de UI */
  --color-blue:          #2563EB;
  --color-blue-light:    #3B82F6;

  /* Neutros */
  --color-dark:          #06080B;
  --color-text:          #2D3748;
  --color-text-light:    #718096;
  --color-border:        #E2E8F0;
  --color-bg:            #F8FAFC;
  --color-white:         #FFFFFF;

  /* Semánticos */
  --color-success:       #10B981;
  --color-error:         #EF4444;
  --color-warning:       #F59E0B;

  /* Tipografía */
  --font-main:   'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-head:   'Segoe UI', system-ui, -apple-system, sans-serif;

  /* Tamaños de fuente */
  --text-xs:    0.75rem;
  --text-sm:    0.875rem;
  --text-base:  1rem;
  --text-lg:    1.125rem;
  --text-xl:    1.25rem;
  --text-2xl:   1.5rem;
  --text-3xl:   1.875rem;
  --text-4xl:   2.25rem;
  --text-5xl:   3rem;
  --text-6xl:   3.75rem;

  /* Espaciado */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Bordes */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-full: 9999px;

  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.10), 0 4px 10px rgba(0,0,0,0.08);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.12), 0 8px 16px rgba(0,0,0,0.08);

  /* Transiciones */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;

  /* Layout */
  --container-max:  1200px;
  --nav-height:     72px;
  --topbar-h:       36px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol { list-style: none; }

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

button { cursor: pointer; }

/* =====================================================
   3. TIPOGRAFÍA
   ===================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-dark);
}

h1 { font-size: clamp(2rem, 5vw, var(--text-5xl)); }
h2 { font-size: clamp(1.6rem, 3.5vw, var(--text-4xl)); }
h3 { font-size: clamp(1.2rem, 2.5vw, var(--text-2xl)); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p { margin-bottom: var(--space-4); }
p:last-child { margin-bottom: 0; }

/* =====================================================
   4. LAYOUT / CONTENEDORES
   ===================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.section {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
}

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

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

.section__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section__tag {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.section__title {
  margin-bottom: var(--space-4);
}

.section__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-light);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 0;
}

/* =====================================================
   5. BOTONES
   ===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1;
  border: 2px solid transparent;
  transition: background var(--transition-base), color var(--transition-base),
              border-color var(--transition-base), box-shadow var(--transition-base),
              transform var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

/* Variantes */
.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-dark);
  border-color: var(--color-accent);
}
.btn--primary:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  box-shadow: 0 4px 15px rgba(0,201,167,0.35);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.6);
}
.btn--secondary:hover {
  background-color: rgba(255,255,255,0.15);
  border-color: var(--color-white);
}

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

.btn--ghost {
  background-color: transparent;
  color: var(--color-primary);
  border-color: transparent;
  padding-left: var(--space-2);
  padding-right: var(--space-2);
}
.btn--ghost:hover {
  color: var(--color-accent);
}

.btn--whatsapp {
  background-color: #25D366;
  color: var(--color-white);
  border-color: #25D366;
  font-size: var(--text-lg);
  padding: 0.9rem 2rem;
}
.btn--whatsapp:hover {
  background-color: #1ebe5d;
  border-color: #1ebe5d;
  box-shadow: 0 4px 15px rgba(37,211,102,0.40);
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--text-sm);
}

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: var(--text-lg);
}

/* =====================================================
   6. NAVEGACIÓN
   ===================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  background-color: transparent;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.navbar.scrolled {
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
}

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

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-white);
  transition: color var(--transition-base);
}

.navbar.scrolled .navbar__logo { color: var(--color-primary); }

.navbar__logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-blue));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: 900;
  font-size: var(--text-lg);
  flex-shrink: 0;
}

.navbar__menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.navbar__link {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.90);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.navbar.scrolled .navbar__link { color: var(--color-text); }
.navbar__link:hover { color: var(--color-accent); background: rgba(0,201,167,0.08); }
.navbar__link.active { color: var(--color-accent); font-weight: 600; }

.navbar__cta {
  margin-left: var(--space-4);
  padding: var(--space-2) var(--space-5);
  background-color: var(--color-accent);
  color: var(--color-dark);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 700;
  transition: background var(--transition-base), box-shadow var(--transition-base), transform var(--transition-fast);
}
.navbar__cta:hover {
  background-color: var(--color-accent-dark);
  box-shadow: 0 4px 12px rgba(0,201,167,0.35);
  transform: translateY(-1px);
  color: var(--color-dark);
}

/* Hamburger */
.navbar__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
}

.navbar__toggle span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background-color: var(--color-white);
  transition: all var(--transition-base);
}
.navbar.scrolled .navbar__toggle span { background-color: var(--color-dark); }

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

/* Mobile nav overlay */
.navbar__mobile {
  display: none;
  position: fixed;
  top: calc(var(--topbar-h) + var(--nav-height));
  left: 0;
  right: 0;
  background-color: var(--color-white);
  box-shadow: var(--shadow-lg);
  padding: var(--space-4) var(--space-6) var(--space-6);
  flex-direction: column;
  gap: var(--space-2);
  z-index: 999;
  animation: slideDown var(--transition-base) ease;
}
.navbar__mobile.open { display: flex; }
.navbar__mobile .navbar__link { color: var(--color-text); font-size: var(--text-base); }
.navbar__mobile .navbar__cta { text-align: center; margin-left: 0; margin-top: var(--space-2); }

/* =====================================================
   7. HERO
   ===================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1497366216548-37526070297c?w=1600&q=80');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
  z-index: 0;
}

.hero__pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(0,201,167,0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(37,99,235,0.2) 0%, transparent 40%);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  padding-top: calc(var(--topbar-h) + var(--nav-height) + var(--space-16));
  padding-bottom: var(--space-20);
}

.hero__text {}

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(0,201,167,0.15);
  border: 1px solid rgba(0,201,167,0.3);
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
}

.hero__title {
  color: var(--color-white);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: var(--space-5);
  line-height: 1.1;
}

.hero__title span {
  color: var(--color-accent);
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.80);
  margin-bottom: var(--space-8);
  max-width: 520px;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Hero visual */
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__card-group {
  position: relative;
  width: 100%;
  max-width: 420px;
}

.hero__card {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  color: var(--color-white);
}

.hero__card--main {
  position: relative;
  z-index: 2;
}

.hero__card--float {
  position: absolute;
  background: rgba(0,201,167,0.12);
  border-color: rgba(0,201,167,0.25);
  padding: var(--space-4) var(--space-5);
  z-index: 3;
}

.hero__card--float-1 {
  bottom: -30px;
  right: -20px;
  animation: float 4s ease-in-out infinite;
}

.hero__card--float-2 {
  top: -20px;
  left: -20px;
  animation: float 5s ease-in-out infinite reverse;
}

.hero__stat { font-size: var(--text-3xl); font-weight: 800; color: var(--color-accent); }
.hero__stat-label { font-size: var(--text-sm); opacity: 0.8; }

.hero__metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.hero__metric { text-align: center; }
.hero__metric-val { font-size: var(--text-2xl); font-weight: 700; }
.hero__metric-lbl { font-size: var(--text-xs); opacity: 0.7; }

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255,255,255,0.5);
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  animation: bounce 2s ease-in-out infinite;
}

/* =====================================================
   8. SECCIÓN BENEFICIOS
   ===================================================== */
.benefits__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.benefit-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

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

.benefit-card__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
  display: block;
}

.benefit-card__title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
  color: var(--color-primary);
}

.benefit-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* =====================================================
   9. SECCIÓN ESTADÍSTICAS
   ===================================================== */
.stats {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  padding: var(--space-16) 0;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  text-align: center;
}

.stat-item { color: var(--color-white); }

.stat-item__value {
  font-size: clamp(2rem, 4vw, var(--text-5xl));
  font-weight: 800;
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--space-1);
}

.stat-item__label {
  font-size: var(--text-sm);
  opacity: 0.8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* =====================================================
   10. SECCIÓN CLIENTES / LOGOS
   ===================================================== */
.clients__intro {
  text-align: center;
  margin-bottom: var(--space-10);
  font-size: var(--text-sm);
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

.clients__logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-8);
}

.client-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 140px;
  height: 56px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-text-light);
  transition: all var(--transition-base);
  padding: var(--space-3) var(--space-4);
}
.client-logo:hover { border-color: var(--color-accent); color: var(--color-primary); }

/* =====================================================
   11. CARDS DE PRODUCTOS
   ===================================================== */
.products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.product-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.product-card__img-wrap {
  position: relative;
  height: 200px;
  overflow: hidden;
  background: var(--color-bg);
}

.product-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.product-card:hover .product-card__img { transform: scale(1.04); }

.product-card__badge {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge--new { background: var(--color-accent); color: var(--color-dark); }
.badge--featured { background: var(--color-blue); color: var(--color-white); }

.product-card__body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card__cat {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent-dark);
  margin-bottom: var(--space-2);
}

.product-card__name {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--color-primary);
}

.product-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: 1.6;
  flex: 1;
  margin-bottom: var(--space-5);
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.product-card__price {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
}

/* =====================================================
   12. TARJETA DE CATÁLOGO (detallada)
   ===================================================== */
.catalog-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.catalog-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.catalog-card__img-wrap {
  height: 180px;
  overflow: hidden;
  background: var(--color-bg);
  position: relative;
}

.catalog-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.catalog-card:hover .catalog-card__img { transform: scale(1.05); }

.catalog-card__body { padding: var(--space-5); flex: 1; display: flex; flex-direction: column; }

.catalog-card__cat {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: var(--space-2);
}

.catalog-card__name {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.catalog-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin-bottom: var(--space-4);
  line-height: 1.5;
}

.catalog-card__specs {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-4);
  font-size: var(--text-xs);
}

.catalog-card__spec-row {
  display: flex;
  justify-content: space-between;
  padding: 3px 0;
  border-bottom: 1px solid var(--color-border);
}
.catalog-card__spec-row:last-child { border-bottom: none; }
.catalog-card__spec-key { color: var(--color-text-light); font-weight: 500; }
.catalog-card__spec-val { color: var(--color-text); font-weight: 600; text-align: right; max-width: 60%; }

.catalog-card__actions {
  display: flex;
  gap: var(--space-2);
  margin-top: auto;
  flex-wrap: wrap;
}

.catalog-card__actions .btn { flex: 1; font-size: var(--text-sm); }

/* =====================================================
   13. FILTROS Y BÚSQUEDA (Catálogo)
   ===================================================== */
.catalog-controls {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  margin-bottom: var(--space-8);
}

.catalog-search {
  position: relative;
  flex: 1;
  min-width: 240px;
}

.catalog-search__icon {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-light);
  pointer-events: none;
  font-size: 1rem;
}

.catalog-search__input {
  width: 100%;
  padding: 0.75rem var(--space-4) 0.75rem 2.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
  color: var(--color-text);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.catalog-search__input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0,201,167,0.15);
}

.catalog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.filter-btn {
  padding: 0.5rem 1.1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-white);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.filter-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.filter-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-dark);
  font-weight: 700;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-16) 0;
  color: var(--color-text-light);
}

.no-results svg { opacity: 0.3; margin-bottom: var(--space-4); }

/* =====================================================
   14. FORMULARIO DE CONTACTO
   ===================================================== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

.contact-form-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-label span { color: var(--color-error); }

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
  color: var(--color-text);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0,201,167,0.15);
}

.form-input.error,
.form-textarea.error { border-color: var(--color-error); }

.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: var(--space-1);
  display: none;
}
.form-error.visible { display: block; }

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-submit { width: 100%; margin-top: var(--space-2); }

.form-success {
  display: none;
  text-align: center;
  padding: var(--space-8);
  color: var(--color-success);
}
.form-success.visible { display: block; }

/* Información de contacto */
.contact-info { }

.contact-info__title {
  font-size: var(--text-2xl);
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}

.contact-info__items {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.contact-info__item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.contact-info__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(0,201,167,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-info__label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  margin-bottom: 2px;
}

.contact-info__value {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
}

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

.contact-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  height: 240px;
  margin-top: var(--space-6);
}
.contact-map iframe { width: 100%; height: 100%; border: none; }

/* =====================================================
   15. CTA SECTION
   ===================================================== */
.cta {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary-light) 100%);
  padding: var(--space-20) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(0,201,167,0.15) 0%, transparent 60%),
              radial-gradient(circle at 70% 50%, rgba(37,99,235,0.15) 0%, transparent 60%);
}

.cta__inner { position: relative; z-index: 1; }

.cta__title {
  color: var(--color-white);
  font-size: clamp(1.75rem, 3.5vw, var(--text-4xl));
  margin-bottom: var(--space-4);
}

.cta__subtitle {
  color: rgba(255,255,255,0.75);
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto var(--space-8);
}

.cta__actions {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* =====================================================
   16. FOOTER
   ===================================================== */
.footer {
  background-color: var(--color-dark);
  color: rgba(255,255,255,0.75);
  padding-top: var(--space-16);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
}

.footer__brand {}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.footer__tagline {
  font-size: var(--text-sm);
  margin-bottom: var(--space-6);
  max-width: 280px;
  line-height: 1.6;
}

.footer__social {
  display: flex;
  gap: var(--space-3);
}

.footer__social-link {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: rgba(255,255,255,0.7);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.footer__social-link:hover { background: var(--color-accent); color: var(--color-dark); }

.footer__col-title {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-white);
  margin-bottom: var(--space-5);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.65);
  transition: color var(--transition-fast);
}
.footer__link:hover { color: var(--color-accent); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: var(--space-5) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.45);
}

/* =====================================================
   17. PÁGINA DE PRODUCTOS (listing)
   ===================================================== */
.page-header {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-light));
  padding: calc(var(--topbar-h) + var(--nav-height) + var(--space-12)) 0 var(--space-12);
  text-align: center;
  color: var(--color-white);
}

.page-header__tag {
  display: inline-block;
  background: rgba(0,201,167,0.15);
  border: 1px solid rgba(0,201,167,0.3);
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 4px var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}

.page-header__title { color: var(--color-white); margin-bottom: var(--space-3); }
.page-header__sub { color: rgba(255,255,255,0.75); font-size: var(--text-lg); }

/* =====================================================
   18. MODAL
   ===================================================== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(13,27,42,0.7);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  backdrop-filter: blur(4px);
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  max-width: 680px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  animation: scaleIn 0.2s ease;
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) var(--space-8);
  border-bottom: 1px solid var(--color-border);
}

.modal__title { font-size: var(--text-2xl); color: var(--color-primary); }

.modal__close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-bg);
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}
.modal__close:hover { background: var(--color-border); }

.modal__body { padding: var(--space-8); }

.modal__img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-5);
}

.modal__price {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-accent-dark);
  margin-bottom: var(--space-4);
}

.modal__specs-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  margin-top: var(--space-5);
}

.modal__specs-table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
.modal__specs-table td { padding: var(--space-2) var(--space-3); border-bottom: 1px solid var(--color-border); }
.modal__specs-table tr:last-child td { border-bottom: none; }
.modal__specs-table td:first-child { color: var(--color-text-light); font-weight: 500; width: 40%; }
.modal__specs-table td:last-child { font-weight: 600; }

.modal__actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
  flex-wrap: wrap;
}

/* =====================================================
   19. PANEL DE ADMINISTRACIÓN
   ===================================================== */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  width: 260px;
  background: var(--color-primary-dark);
  color: var(--color-white);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
}

.admin-sidebar__brand {
  padding: var(--space-6) var(--space-6);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  font-weight: 800;
  font-size: var(--text-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.admin-sidebar__nav { padding: var(--space-4) 0; flex: 1; }

.admin-sidebar__section {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
  margin-top: var(--space-4);
}

.admin-sidebar__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.75);
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}
.admin-sidebar__link:hover,
.admin-sidebar__link.active {
  background: rgba(255,255,255,0.08);
  color: var(--color-white);
  border-left-color: var(--color-accent);
}
.admin-sidebar__link.active { color: var(--color-accent); }

.admin-main {
  margin-left: 260px;
  flex: 1;
  background: var(--color-bg);
  min-height: 100vh;
}

.admin-topbar {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 99;
}

.admin-content { padding: var(--space-8); }

.admin-section { display: none; }
.admin-section.active { display: block; }

.admin-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}

.admin-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.admin-table th {
  background: var(--color-bg);
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-weight: 600;
  color: var(--color-text-light);
  text-transform: uppercase;
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--color-border);
}

.admin-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: rgba(0,201,167,0.04); }

.admin-table__img {
  width: 48px;
  height: 36px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--color-bg);
}

.admin-actions { display: flex; gap: var(--space-2); }

/* Dashboard stats */
.admin-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.admin-stat {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.admin-stat__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.admin-stat__icon--blue { background: rgba(37,99,235,0.1); }
.admin-stat__icon--green { background: rgba(0,201,167,0.1); }
.admin-stat__icon--orange { background: rgba(245,158,11,0.1); }
.admin-stat__icon--red { background: rgba(239,68,68,0.1); }

.admin-stat__val { font-size: var(--text-2xl); font-weight: 800; color: var(--color-primary); }
.admin-stat__lbl { font-size: var(--text-xs); color: var(--color-text-light); }

/* Notificaciones admin */
.admin-toast {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  background: var(--color-dark);
  color: var(--color-white);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  font-size: var(--text-sm);
  font-weight: 500;
  z-index: 9999;
  display: none;
  align-items: center;
  gap: var(--space-3);
  max-width: 360px;
  border-left: 4px solid var(--color-accent);
  animation: slideInRight 0.3s ease;
}
.admin-toast.visible { display: flex; }
.admin-toast--success { border-left-color: var(--color-success); }
.admin-toast--error { border-left-color: var(--color-error); }

/* =====================================================
   20. ANIMACIONES
   ===================================================== */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Clase de animación general */
.animate-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
/* NOTA: se usa .shown (no .visible) para evitar conflicto con la utilidad .visible{display:block} */
.animate-in.shown {
  opacity: 1;
  transform: translateY(0);
}
/* Compatibilidad: también acepta .visible por si queda alguna referencia */
.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}
/* Asegurar que las tarjetas de producto conserven su display:flex al activarse */
.product-card.visible,
.product-card.shown,
.catalog-card.visible,
.catalog-card.shown {
  display: flex !important;
}

/* =====================================================
   21. UTILIDADES
   ===================================================== */
.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }

.text-primary   { color: var(--color-primary); }
.text-accent    { color: var(--color-accent); }
.text-light     { color: var(--color-text-light); }
.text-white     { color: var(--color-white); }
.text-muted     { color: var(--color-text-light); }

.font-bold   { font-weight: 700; }
.font-semibold { font-weight: 600; }

.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.hidden  { display: none !important; }
.visible { display: block !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-8) 0;
}

.tag {
  display: inline-block;
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
}
.tag--green { background: rgba(16,185,129,0.12); color: var(--color-success); }
.tag--blue  { background: rgba(37,99,235,0.12);  color: var(--color-blue); }
.tag--gray  { background: var(--color-bg); color: var(--color-text-light); }

/* Scrollbar personalizado */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--color-accent); }

/* =====================================================
   22. RESPONSIVIDAD
   ===================================================== */

/* Tablet grande / Laptop pequeño ≤ 1024px */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { display: none; }
  .hero__subtitle { max-width: 100%; }

  .benefits__grid { grid-template-columns: repeat(2, 1fr); }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .products__grid { grid-template-columns: repeat(2, 1fr); }
  .catalog-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .admin-stats { grid-template-columns: repeat(2, 1fr); }
}

/* Tablet ≤ 768px */
@media (max-width: 768px) {
  :root { --nav-height: 64px; }

  .navbar__menu  { display: none; }
  .navbar__toggle { display: flex; }

  .container { padding-left: var(--space-5); padding-right: var(--space-5); }

  .section { padding-top: var(--space-12); padding-bottom: var(--space-12); }

  .hero__inner { padding-top: calc(var(--topbar-h) + var(--nav-height) + var(--space-10)); padding-bottom: var(--space-12); }
  .hero__actions { flex-direction: column; gap: var(--space-3); }
  .hero__actions .btn { width: 100%; justify-content: center; }

  .benefits__grid { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
  .products__grid { grid-template-columns: 1fr; }
  .catalog-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .cta__actions { flex-direction: column; align-items: center; }

  .form-row { grid-template-columns: 1fr; }

  .admin-layout { flex-direction: column; }
  .admin-sidebar {
    position: relative;
    width: 100%;
    height: auto;
    flex-direction: row;
    overflow-x: auto;
  }
  .admin-sidebar__nav { display: flex; padding: 0; }
  .admin-sidebar__section { display: none; }
  .admin-main { margin-left: 0; }
  .admin-stats { grid-template-columns: 1fr 1fr; }
  .admin-content { padding: var(--space-4); }

  .modal__body { padding: var(--space-5); }
  .modal__header { padding: var(--space-5); }
}

/* Móvil ≤ 480px */
@media (max-width: 480px) {
  .stats__grid { grid-template-columns: 1fr 1fr; }
  .admin-stats { grid-template-columns: 1fr 1fr; }
  .hero__title { font-size: 1.9rem; }
  .section__title { font-size: 1.75rem; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .contact-form-card { padding: var(--space-5); }
}

/* Print */
@media print {
  .navbar, .footer, .btn, .hero__scroll { display: none !important; }
  .hero { min-height: auto; padding: 2rem 0; }
}

/* =====================================================
   TOPBAR – barra superior de contacto rápido
   (estilo DexignZone Industry)
   ===================================================== */
.topbar {
  background: var(--color-primary-dark);
  padding: .4rem 0;
  font-size: .78rem;
  letter-spacing: .01em;
  border-bottom: 1px solid rgba(255,255,255,.06);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1002;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.topbar__contact {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.topbar__item {
  display: flex;
  align-items: center;
  gap: .35rem;
  color: rgba(255,255,255,.72);
  text-decoration: none;
  white-space: nowrap;
  transition: color 150ms ease;
}
.topbar__item:hover { color: var(--color-accent-light); }
.topbar__social {
  display: flex;
  align-items: center;
  gap: .4rem;
}
.topbar__soc-link {
  width: 24px;
  height: 24px;
  background: rgba(255,255,255,.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.8);
  font-size: .68rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 150ms ease, color 150ms ease;
}
.topbar__soc-link:hover {
  background: var(--color-accent);
  color: #fff;
}
@media (max-width: 768px) {
  .topbar__item.tb-addr,
  .topbar__item.tb-email { display: none; }
}
@media (max-width: 480px) {
  .topbar { display: none; }
  .navbar { top: 0 !important; }
  .navbar__mobile { top: var(--nav-height) !important; }
}

/* =====================================================
   NAVBAR OVERRIDE – siempre blanco, debajo del topbar
   Estilo DexignZone Industry: topbar oscuro + nav blanco
   ===================================================== */
.navbar {
  top: var(--topbar-h) !important;
  background: #ffffff !important;
  box-shadow: 0 2px 10px rgba(0,0,0,.08) !important;
}
.navbar.scrolled {
  background: #ffffff !important;
  box-shadow: 0 4px 24px rgba(0,0,0,.14) !important;
}
.navbar__logo { color: var(--color-primary) !important; }
.navbar__link { color: var(--color-primary) !important; }
.navbar__link:hover,
.navbar__link.active { color: var(--color-accent) !important; }
.navbar__cta {
  background: var(--color-accent) !important;
  color: #fff !important;
}
.navbar__cta:hover { background: var(--color-accent-dark) !important; }
.navbar__toggle span { background: var(--color-primary) !important; }
.navbar__mobile {
  background: #ffffff !important;
  border-top: 1px solid #eee !important;
}
.navbar__mobile .navbar__link { color: var(--color-primary) !important; }
.navbar__mobile .navbar__cta { color: #fff !important; }