/* ==========================================================================
   MEKTRA - CUCHILLAS INDUSTRIALES & AFILADO
   Estilo: Minimalista Tecnico B2B con Paleta de Grises Titanio & Acero
   100% 7-bit ASCII Encoding
   ========================================================================== */

:root {
  /* Escala de Grises Arquitectonicos & Titanio */
  --ch-black: #090d16;
  --ch-charcoal: #0f172a;
  --ch-titanium-dark: #1e293b;
  --ch-slate: #334155;
  --ch-graphite: #475569;
  --ch-steel: #64748b;
  --ch-silver: #94a3b8;
  --ch-border: #cbd5e1;
  --ch-border-light: #e2e8f0;
  --ch-border-subtle: #f1f5f9;
  --ch-mist: #f8fafc;
  --ch-white: #ffffff;

  /* Acentos Sutiles */
  --ch-accent-dark: #0f172a;
  --ch-accent-steel: #334155;
  --ch-accent-silver: #64748b;
  --ch-accent-light: #f1f5f9;
  --ch-wa-green: #15803d;
  --ch-wa-green-soft: #f0fdf4;
  --ch-wa-border: #bbf7d0;

  /* Geometria & Sombras Minimalistas */
  --ch-radius-sm: 4px;
  --ch-radius-md: 8px;
  --ch-radius-lg: 12px;
  --ch-radius-pill: 999px;
  --ch-shadow-subtle: 0 1px 3px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.02);
  --ch-shadow-card: 0 4px 16px rgba(15, 23, 42, 0.05);
  --ch-shadow-hover: 0 8px 24px rgba(15, 23, 42, 0.08);
  --ch-transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --ch-font-sans: 'Montserrat', system-ui, -apple-system, sans-serif;
  --ch-font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

/* Reset & Base */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
  overflow-x: clip !important;
}

body.cuchillas-page-body {
  margin: 0;
  padding: 0;
  font-family: var(--ch-font-sans);
  background-color: var(--ch-mist);
  color: var(--ch-charcoal);
  line-height: 1.6;
  overflow-x: clip !important;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.cuchillas-page-wrapper {
  position: relative;
  overflow-x: clip !important;
  width: 100%;
}

.cuchillas-container {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 24px;
  box-sizing: border-box;
}

/* ==========================================================================
   1. BARRA SUPERIOR (MINIMALISTA GRIS TITANIO)
   ========================================================================= */
.cuchillas-topbar {
  background-color: #1e293b;
  color: #94a3b8;
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.3px;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.cuchillas-topbar-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  box-sizing: border-box;
}

.topbar-badge-left {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #cbd5e1;
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.5px;
}

.topbar-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #94a3b8;
  box-shadow: 0 0 6px rgba(148, 163, 184, 0.4);
}

.topbar-info-right {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.topbar-item {
  color: #94a3b8;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.tb-icon {
  color: #38bdf8;
  font-weight: 700;
}

.topbar-sep {
  color: #475569;
}

.topbar-wa-link {
  color: #f1f5f9;
  text-decoration: none;
  font-weight: 600;
  transition: var(--ch-transition);
}

.topbar-wa-link:hover {
  color: #38bdf8;
}

/* ==========================================================================
   2. NAVBAR INTEGRADO & ESPACIOSO (MINIMALISTA)
   ========================================================================= */
.cuchillas-navbar {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: 68px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--ch-border);
  z-index: 1000;
  display: flex;
  align-items: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
  transition: box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.cuchillas-navbar.nav-scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
  border-bottom-color: var(--ch-border-dark);
}

.cuchillas-nav-container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  box-sizing: border-box;
}

/* Brand */
.cuchillas-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  transition: var(--ch-transition);
  flex-shrink: 0;
}

.cuchillas-brand:hover {
  opacity: 0.9;
}

.cuchillas-logo-img {
  height: 38px;
  width: auto;
  object-fit: contain;
  transition: transform 0.2s ease;
}

.cuchillas-brand:hover .cuchillas-logo-img {
  transform: scale(1.03);
}

.cuchillas-brand-text {
  display: flex;
  flex-direction: column;
}

.cuchillas-brand-name {
  font-family: var(--ch-font-sans);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--ch-black);
  line-height: 1.15;
}

.cuchillas-brand-sub {
  font-family: var(--ch-font-sans);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ch-slate);
  text-transform: uppercase;
}

/* Links */
.cuchillas-nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.cuchillas-nav-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.80rem;
  font-weight: 600;
  color: var(--ch-slate);
  text-decoration: none;
  padding: 5px 12px;
  background: #f1f5f9;
  border: 1px solid var(--ch-border);
  border-radius: var(--ch-radius-pill);
  transition: var(--ch-transition);
}

.cuchillas-nav-back svg {
  width: 14px;
  height: 14px;
}

.cuchillas-nav-back:hover {
  background: #e2e8f0;
  color: var(--ch-black);
  border-color: #cbd5e1;
}

.cuchillas-nav-item {
  position: relative;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--ch-slate);
  text-decoration: none;
  padding: 6px 0;
  letter-spacing: 0.01em;
  transition: var(--ch-transition);
}

.cuchillas-nav-item:hover {
  color: var(--ch-black);
}

.cuchillas-nav-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--ch-charcoal);
  transition: width 0.25s ease;
}

.cuchillas-nav-item:hover::after {
  width: 100%;
}

/* Quote Button */
.cuchillas-nav-actions {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.cuchillas-btn-quote {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: var(--ch-charcoal);
  color: #ffffff;
  font-family: var(--ch-font-sans);
  font-size: 0.80rem;
  font-weight: 650;
  letter-spacing: 0.03em;
  text-decoration: none;
  border-radius: var(--ch-radius-pill);
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.12);
  transition: var(--ch-transition);
}

.cuchillas-btn-quote svg {
  width: 13px;
  height: 13px;
  transition: transform 0.2s ease;
}

.cuchillas-btn-quote:hover {
  background: var(--ch-black);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.18);
}

.cuchillas-btn-quote:hover svg {
  transform: translateX(2px);
}

/* ==========================================================================
   3. HERO SECTION (MINIMALISTA: GRISES CLAROS & TITANIO PULIDO)
   ========================================================================= */
.cuchillas-hero {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  padding: 56px 0 64px;
  border-bottom: 1px solid var(--ch-border);
  overflow: hidden;
  background-color: #0b1120;
}

.cuchillas-hero-slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  overflow: hidden;
}

.hero-bg-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: right center;
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 1.2s cubic-bezier(0.4, 0, 0.2, 1), transform 7s cubic-bezier(0.25, 1, 0.5, 1);
  pointer-events: none;
}

.hero-bg-slide.active {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

.cuchillas-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  background: 
    linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.94) 44%, rgba(255, 255, 255, 0.40) 70%, rgba(255, 255, 255, 0.08) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.5) 0%, transparent 20%, transparent 80%, rgba(241, 245, 249, 0.92) 100%);
  pointer-events: none;
}

.cuchillas-hero .cuchillas-container {
  position: relative;
  z-index: 3;
}

.cuchillas-hero-content {
  position: relative;
  z-index: 3;
  max-width: 820px;
}

.cuchillas-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.76rem;
  color: var(--ch-steel);
  margin-bottom: 24px;
}

.cuchillas-breadcrumb a {
  color: var(--ch-graphite);
  text-decoration: none;
  transition: color 0.2s;
}

.cuchillas-breadcrumb a:hover {
  color: var(--ch-black);
}

.cuchillas-breadcrumb .sep {
  color: var(--ch-silver);
}

.cuchillas-breadcrumb .current {
  color: var(--ch-titanium-dark);
  font-weight: 700;
}

.cuchillas-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  background: #ffffff;
  border: 1px solid var(--ch-border);
  color: var(--ch-slate);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.5px;
  border-radius: var(--ch-radius-pill);
  margin-bottom: 18px;
  box-shadow: var(--ch-shadow-subtle);
}

.badge-star {
  color: var(--ch-steel);
  letter-spacing: 1px;
}

.cuchillas-hero-title {
  font-size: 2.25rem;
  font-weight: 900;
  line-height: 1.18;
  color: var(--ch-black);
  margin: 0 0 16px;
  letter-spacing: -0.5px;
}

.highlight-blue {
  color: var(--ch-titanium-dark);
  background: linear-gradient(90deg, #1e293b, #475569);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  border-bottom: 2px solid var(--ch-silver);
}

.cuchillas-hero-desc {
  font-size: 0.94rem;
  line-height: 1.65;
  color: var(--ch-graphite);
  margin: 0 0 28px;
  max-width: 600px;
}

.cuchillas-hero-desc strong {
  color: var(--ch-charcoal);
}

.cuchillas-hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.btn-cuchillas-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ch-charcoal);
  color: #ffffff;
  padding: 12px 24px;
  border-radius: var(--ch-radius-pill);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.15);
  transition: var(--ch-transition);
  border: 1px solid var(--ch-charcoal);
}

.btn-cuchillas-primary:hover {
  background: var(--ch-titanium-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.22);
}

.btn-cuchillas-primary svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
}

.btn-cuchillas-secondary {
  display: inline-flex;
  align-items: center;
  background: #ffffff;
  border: 1.5px solid var(--ch-border);
  color: var(--ch-charcoal);
  padding: 12px 22px;
  border-radius: var(--ch-radius-pill);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  transition: var(--ch-transition);
}

.btn-cuchillas-secondary:hover {
  background: #f1f5f9;
  border-color: var(--ch-steel);
  transform: translateY(-1px);
}

/* Ribbon de Metricas */
.cuchillas-stats-ribbon {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 16px 20px;
  margin-top: 32px;
  background: rgba(255, 255, 255, 0.90);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(203, 213, 225, 0.85);
  border-radius: var(--ch-radius-md);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05);
}

.stat-card {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-size: 1.30rem;
  font-weight: 850;
  color: var(--ch-charcoal);
  font-family: var(--ch-font-mono);
  line-height: 1.1;
}

.stat-num small {
  font-size: 0.80rem;
  color: var(--ch-steel);
  font-weight: 650;
}

.stat-title {
  font-size: 0.72rem;
  font-weight: 750;
  color: var(--ch-slate);
  margin-top: 3px;
}

.stat-sub {
  font-size: 0.68rem;
  color: var(--ch-steel);
}

/* Slider Bar / Controles Interactivos Hero */
.hero-slider-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 24px;
  padding: 10px 18px;
  max-width: 820px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(203, 213, 225, 0.85);
  border-radius: var(--ch-radius-pill);
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.05);
  position: relative;
  z-index: 3;
}

.hero-slider-label {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--ch-slate);
  letter-spacing: 0.3px;
}

.slider-pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #0284c7;
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.25);
  display: inline-block;
  animation: sliderPulse 2s infinite;
}

@keyframes sliderPulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(2, 132, 199, 0.5); }
  70% { transform: scale(1); box-shadow: 0 0 0 5px rgba(2, 132, 199, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(2, 132, 199, 0); }
}

.hero-slider-nav {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.hero-slider-arrow {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--ch-border);
  background: #ffffff;
  color: var(--ch-charcoal);
  font-size: 1.15rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--ch-transition);
  padding: 0;
}

.hero-slider-arrow:hover {
  background: var(--ch-charcoal);
  color: #ffffff;
  border-color: var(--ch-charcoal);
}

.hero-slider-dots {
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-slider-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--ch-radius-pill);
  border: none;
  background: #cbd5e1;
  cursor: pointer;
  padding: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-slider-dot.active {
  width: 28px;
  background: var(--ch-charcoal);
}

/* ==========================================================================
   4. SECCION INDUSTRIAS ATENDIDAS
   ========================================================================== */
.cuchillas-industrias-section {
  padding: 56px 0;
  background-color: #ffffff;
  border-bottom: 1px solid var(--ch-border-light);
}

.section-header-centered {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 36px;
}

.section-kicker {
  display: inline-block;
  font-size: 0.70rem;
  font-weight: 800;
  color: var(--ch-steel);
  letter-spacing: 1.2px;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.section-headline {
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--ch-black);
  margin: 0 0 10px;
  line-height: 1.25;
  letter-spacing: -0.3px;
}

.section-subheadline {
  font-size: 0.90rem;
  color: var(--ch-graphite);
  margin: 0;
}

.industrias-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.industria-card {
  position: relative;
  border-radius: var(--ch-radius-md);
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.25);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
  min-height: 290px;
  cursor: pointer;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease, border-color 0.35s ease;
  display: flex;
}

.industria-card:hover {
  transform: translateY(-5px);
  border-color: rgba(56, 189, 248, 0.6);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.22), 0 0 20px rgba(56, 189, 248, 0.18);
}

.ind-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1;
}

.industria-card:hover .ind-card-bg {
  transform: scale(1.08);
}

.ind-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.28) 0%, rgba(15, 23, 42, 0.58) 45%, rgba(10, 17, 32, 0.85) 100%);
  transition: background 0.35s ease;
  z-index: 2;
}

.industria-card:hover .ind-card-overlay {
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.16) 0%, rgba(15, 23, 42, 0.46) 45%, rgba(10, 17, 32, 0.76) 100%);
}

.ind-card-content {
  position: relative;
  z-index: 3;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  width: 100%;
}

.ind-icon-box {
  width: 44px;
  height: 44px;
  background: rgba(15, 23, 42, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #38bdf8;
  border-radius: var(--ch-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
  transition: background 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}

.industria-card:hover .ind-icon-box {
  background: rgba(56, 189, 248, 0.25);
  border-color: rgba(56, 189, 248, 0.6);
  transform: translateY(-2px);
  color: #7dd3fc;
}

.ind-icon-box svg {
  width: 22px;
  height: 22px;
}

.ind-title {
  font-size: 1.05rem;
  font-weight: 750;
  color: #ffffff;
  margin: 0 0 8px;
  line-height: 1.3;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.85), 0 1px 2px rgba(0, 0, 0, 0.9);
  letter-spacing: -0.2px;
}

.ind-desc {
  font-size: 0.83rem;
  color: #f1f5f9;
  line-height: 1.55;
  margin: 0 0 16px;
  flex-grow: 1;
  text-shadow: 0 1px 5px rgba(0, 0, 0, 0.9), 0 1px 2px rgba(0, 0, 0, 0.95);
}

.ind-material-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.70rem;
  font-weight: 700;
  font-family: var(--ch-font-mono);
  color: #38bdf8;
  background: rgba(15, 23, 42, 0.78);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 4px 9px;
  border-radius: var(--ch-radius-sm);
  border: 1px solid rgba(56, 189, 248, 0.35);
  align-self: flex-start;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
  transition: border-color 0.25s ease, background 0.25s ease;
}

.industria-card:hover .ind-material-badge {
  border-color: rgba(56, 189, 248, 0.7);
  background: rgba(15, 23, 42, 0.92);
  color: #e0f2fe;
}

/* ==========================================================================
   5. CATALOGO INTERACTIVO (SIDEBAR + GRID MINIMALISTA)
   ========================================================================= */
.cuchillas-catalog-section {
  padding: 56px 0 75px;
  background-color: var(--ch-mist);
}

.catalog-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 26px;
  gap: 20px;
  flex-wrap: wrap;
}

.catalog-search-wrap {
  width: 100%;
  max-width: 340px;
}

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

.search-icon {
  position: absolute;
  left: 12px;
  width: 16px;
  height: 16px;
  color: var(--ch-steel);
  pointer-events: none;
}

.search-input-box input {
  width: 100%;
  padding: 9px 32px 9px 36px;
  border: 1px solid var(--ch-border);
  border-radius: var(--ch-radius-sm);
  font-size: 0.84rem;
  font-family: var(--ch-font-sans);
  background: #ffffff;
  color: var(--ch-charcoal);
  outline: none;
  transition: var(--ch-transition);
  box-sizing: border-box;
}

.search-input-box input:focus {
  border-color: var(--ch-slate);
  box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.08);
}

.search-clear-btn {
  position: absolute;
  right: 10px;
  background: none;
  border: none;
  font-size: 1.1rem;
  color: var(--ch-steel);
  cursor: pointer;
  padding: 0;
  display: none;
}

.search-clear-btn.active {
  display: block;
}

/* Layout Principal: Sidebar + Grid */
.catalog-main-layout {
  display: grid;
  grid-template-columns: 270px 1fr;
  gap: 24px;
  align-items: start;
}

/* Sidebar */
.catalog-sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: sticky;
  top: 85px;
}

.sidebar-block {
  background: #ffffff;
  border: 1px solid var(--ch-border-light);
  border-radius: var(--ch-radius-md);
  padding: 14px 16px;
  box-shadow: var(--ch-shadow-subtle);
}

.sidebar-block-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--ch-charcoal);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding-bottom: 8px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--ch-border-light);
}

.sidebar-block-title svg {
  width: 15px;
  height: 15px;
  color: var(--ch-steel);
}

.sidebar-filter-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.filter-item, .shape-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 10px;
  border-radius: var(--ch-radius-sm);
  font-size: 0.80rem;
  font-weight: 650;
  color: var(--ch-graphite);
  cursor: pointer;
  transition: var(--ch-transition);
}

.filter-item:hover, .shape-item:hover {
  background: #f1f5f9;
  color: var(--ch-black);
}

.filter-item.active, .shape-item.active {
  background: var(--ch-titanium-dark);
  color: #ffffff;
  font-weight: 750;
}

.filter-badge {
  font-size: 0.70rem;
  font-weight: 700;
  font-family: var(--ch-font-mono);
  background: #f1f5f9;
  color: var(--ch-steel);
  padding: 1px 6px;
  border-radius: var(--ch-radius-pill);
}

.filter-item.active .filter-badge {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

/* Sidebar Contact Card (Minimalista Gris) */
.sidebar-contact-card {
  background: #ffffff;
  border: 1px solid var(--ch-border);
  color: var(--ch-charcoal);
  border-radius: var(--ch-radius-md);
  padding: 16px;
  box-shadow: var(--ch-shadow-subtle);
}

.contact-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.contact-avatar-box {
  position: relative;
  width: 36px;
  height: 36px;
  background: var(--ch-titanium-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.78rem;
  color: #ffffff;
  flex-shrink: 0;
}

.online-indicator {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 8px;
  height: 8px;
  background-color: var(--ch-wa-green);
  border: 1.5px solid #ffffff;
  border-radius: 50%;
}

.contact-title {
  display: block;
  font-size: 0.68rem;
  color: var(--ch-steel);
  font-weight: 700;
  text-transform: uppercase;
}

.contact-name {
  font-size: 0.84rem;
  font-weight: 800;
  color: var(--ch-black);
}

.contact-card-text {
  font-size: 0.76rem;
  line-height: 1.45;
  color: var(--ch-graphite);
  margin: 0 0 12px;
}

.btn-sidebar-chat {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--ch-wa-green-soft);
  color: var(--ch-wa-green);
  border: 1px solid var(--ch-wa-border);
  font-size: 0.76rem;
  font-weight: 750;
  padding: 8px 12px;
  border-radius: var(--ch-radius-pill);
  text-decoration: none;
  transition: var(--ch-transition);
}

.btn-sidebar-chat:hover {
  background: var(--ch-wa-green);
  color: #ffffff;
}

/* Area de Productos */
.catalog-products-area {
  display: flex;
  flex-direction: column;
}

.catalog-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ch-border-light);
}

.status-count-label {
  font-size: 0.82rem;
  color: var(--ch-graphite);
}

.active-filter-tags {
  display: flex;
  gap: 6px;
}

.active-tag {
  font-size: 0.70rem;
  font-weight: 700;
  padding: 2px 8px;
  background: #ffffff;
  border: 1px solid var(--ch-border);
  border-radius: var(--ch-radius-pill);
  color: var(--ch-slate);
}

/* Grilla de Cuchillas */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.cuchilla-card {
  background: #ffffff;
  border: 1px solid var(--ch-border-light);
  border-radius: var(--ch-radius-md);
  overflow: hidden;
  box-shadow: var(--ch-shadow-subtle);
  display: flex;
  flex-direction: column;
  transition: var(--ch-transition);
}

.cuchilla-card:hover {
  transform: translateY(-2px);
  border-color: var(--ch-silver);
  box-shadow: var(--ch-shadow-card);
}

.cuchilla-img-wrap {
  position: relative;
  width: 100%;
  height: 190px;
  background: #f8fafc;
  overflow: hidden;
  border-bottom: 1px solid var(--ch-border-light);
}

.cuchilla-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.cuchilla-card:hover .cuchilla-img-wrap img {
  transform: scale(1.03);
}

.card-badge-steel {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(15, 23, 42, 0.88);
  color: #f8fafc;
  padding: 3px 8px;
  border-radius: var(--ch-radius-sm);
  font-size: 0.66rem;
  font-weight: 750;
  font-family: var(--ch-font-mono);
  backdrop-filter: blur(4px);
  z-index: 2;
}

.card-badge-type {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ch-charcoal);
  border: 1px solid var(--ch-border);
  padding: 2px 7px;
  border-radius: var(--ch-radius-sm);
  font-size: 0.64rem;
  font-weight: 700;
  z-index: 2;
}

.btn-card-quick-view {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%) translateY(15px);
  opacity: 0;
  background: rgba(15, 23, 42, 0.90);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 5px 12px;
  border-radius: var(--ch-radius-pill);
  font-size: 0.70rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  backdrop-filter: blur(4px);
  z-index: 3;
}

.cuchilla-card:hover .btn-card-quick-view {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.btn-card-quick-view:hover {
  background: var(--ch-black);
}

.cuchilla-card-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-cat-label {
  font-size: 0.66rem;
  font-weight: 750;
  color: var(--ch-steel);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 4px;
}

.card-title {
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--ch-black);
  margin: 0 0 8px;
  line-height: 1.35;
}

.card-specs-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 10px;
}

.spec-pill {
  font-size: 0.66rem;
  font-weight: 650;
  color: var(--ch-slate);
  background: #f8fafc;
  border: 1px solid var(--ch-border-light);
  padding: 2px 6px;
  border-radius: var(--ch-radius-sm);
  font-family: var(--ch-font-mono);
}

.card-summary {
  font-size: 0.78rem;
  color: var(--ch-graphite);
  line-height: 1.45;
  margin: 0 0 14px;
  flex-grow: 1;
}

.card-action-footer {
  padding-top: 10px;
  border-top: 1px solid var(--ch-border-light);
}

.btn-card-quote {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 8px 12px;
  background: #ffffff;
  border: 1.5px solid var(--ch-border);
  color: var(--ch-charcoal);
  border-radius: var(--ch-radius-pill);
  font-size: 0.78rem;
  font-weight: 750;
  text-decoration: none;
  transition: var(--ch-transition);
  box-sizing: border-box;
}

.btn-card-quote svg {
  width: 13px;
  height: 13px;
}

.btn-card-quote:hover {
  background: var(--ch-titanium-dark);
  border-color: var(--ch-titanium-dark);
  color: #ffffff;
}

/* ==========================================================================
   6. FABRICACION A MEDIDA ("ALL CAN BE CUSTOMIZED")
   ========================================================================= */
.cuchillas-custom-section {
  padding: 64px 0;
  background-color: #ffffff;
  border-bottom: 1px solid var(--ch-border-light);
}

.custom-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 36px;
}

.custom-process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 36px;
}

.process-card {
  background: #ffffff;
  border: 1px solid var(--ch-border-light);
  border-radius: var(--ch-radius-md);
  padding: 16px;
  position: relative;
  transition: var(--ch-transition);
}

.process-card:hover {
  border-color: var(--ch-silver);
  transform: translateY(-2px);
  box-shadow: var(--ch-shadow-subtle);
}

.step-badge {
  font-size: 0.66rem;
  font-weight: 800;
  color: var(--ch-charcoal);
  background: #f1f5f9;
  border: 1px solid var(--ch-border);
  display: inline-block;
  padding: 2px 7px;
  border-radius: var(--ch-radius-sm);
  margin-bottom: 8px;
  font-family: var(--ch-font-mono);
}

.step-title {
  font-size: 0.90rem;
  font-weight: 800;
  color: var(--ch-black);
  margin: 0 0 6px;
}

.step-desc {
  font-size: 0.76rem;
  line-height: 1.45;
  color: var(--ch-graphite);
  margin: 0;
}

/* Configurador Rapido (Minimalista) */
.custom-blade-calculator {
  background: var(--ch-mist);
  border: 1px solid var(--ch-border);
  border-radius: var(--ch-radius-md);
  padding: 24px 28px;
  box-shadow: var(--ch-shadow-subtle);
}

.calc-header {
  margin-bottom: 18px;
}

.calc-title {
  font-size: 1.10rem;
  font-weight: 850;
  color: var(--ch-black);
  margin: 0 0 4px;
}

.calc-sub {
  font-size: 0.82rem;
  color: var(--ch-steel);
  margin: 0;
}

.calc-form-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}

.form-group-blade {
  display: flex;
  flex-direction: column;
}

.form-group-blade label {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--ch-slate);
  margin-bottom: 5px;
}

.calc-select, .calc-input {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--ch-border);
  border-radius: var(--ch-radius-sm);
  background: #ffffff;
  color: var(--ch-charcoal);
  font-size: 0.80rem;
  font-family: var(--ch-font-sans);
  outline: none;
  box-sizing: border-box;
  transition: var(--ch-transition);
}

.calc-select:focus, .calc-input:focus {
  border-color: var(--ch-slate);
  box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.08);
}

.calc-actions-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-calc-wa {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ch-charcoal);
  color: #ffffff;
  border: none;
  padding: 10px 22px;
  border-radius: var(--ch-radius-pill);
  font-size: 0.85rem;
  font-weight: 750;
  cursor: pointer;
  transition: var(--ch-transition);
}

.btn-calc-wa:hover {
  background: var(--ch-titanium-dark);
  transform: translateY(-1px);
}

.btn-calc-form-scroll {
  font-size: 0.80rem;
  font-weight: 700;
  color: var(--ch-steel);
  text-decoration: underline;
  transition: color 0.2s;
}

.btn-calc-form-scroll:hover {
  color: var(--ch-black);
}

/* ==========================================================================
   7. SERVICIO DE AFILADO & RECTIFICADO (MINIMALISTA)
   ========================================================================= */
.cuchillas-afilado-section {
  padding: 64px 0;
  background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
  color: #ffffff;
  border-bottom: 1px solid var(--ch-charcoal);
}

.cuchillas-afilado-section .section-kicker {
  color: #94a3b8;
}

.cuchillas-afilado-section .section-headline {
  color: #ffffff !important;
  margin-bottom: 12px;
}

.afilado-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 40px;
  align-items: center;
}

.afilado-media-wrap {
  position: relative;
}

.afilado-img-card {
  position: relative;
  border-radius: var(--ch-radius-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--ch-shadow-card);
}

.afilado-img-card img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  display: block;
}

.afilado-media-badge {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 14px 18px;
  background: linear-gradient(0deg, rgba(15, 23, 42, 0.95) 0%, transparent 100%);
}

.badge-title {
  display: block;
  font-size: 0.82rem;
  font-weight: 800;
  color: #f1f5f9;
  font-family: var(--ch-font-mono);
}

.badge-desc {
  font-size: 0.72rem;
  color: #94a3b8;
}

.afilado-lead {
  font-size: 0.92rem;
  line-height: 1.6;
  color: #cbd5e1;
  margin-bottom: 22px;
}

.afilado-lead strong {
  color: #ffffff;
}

.afilado-points {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.point-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.82rem;
  line-height: 1.5;
  color: #e2e8f0;
}

.point-check {
  width: 20px;
  height: 20px;
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.72rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.point-text strong {
  color: #f8fafc;
}

.afilado-cta-box {
  margin-top: 20px;
}

.btn-afilado-wa {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #ffffff;
  color: #0f172a;
  padding: 7px 18px;
  border-radius: var(--ch-radius-pill);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: var(--ch-transition);
}

.btn-afilado-wa svg {
  width: 12px;
  height: 12px;
  stroke: currentColor;
  stroke-width: 2;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.btn-afilado-wa:hover {
  background: #f8fafc;
  color: #000000;
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
}

.btn-afilado-wa:hover svg {
  transform: translateX(2px);
}

/* ==========================================================================
   8. GUIA METALURGICA DE ACEROS (TABLA MINIMALISTA)
   ========================================================================= */
.cuchillas-aceros-section {
  padding: 56px 0;
  background-color: #ffffff;
  border-bottom: 1px solid var(--ch-border-light);
}

.table-responsive-wrap {
  overflow-x: auto;
  border: 1px solid var(--ch-border-light);
  border-radius: var(--ch-radius-md);
  box-shadow: var(--ch-shadow-subtle);
}

.cuchillas-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  text-align: left;
}

.cuchillas-table th {
  background-color: #f8fafc;
  color: var(--ch-charcoal);
  padding: 12px 14px;
  font-weight: 750;
  font-size: 0.74rem;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  border-bottom: 1.5px solid var(--ch-border);
}

.cuchillas-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--ch-border-light);
  color: var(--ch-graphite);
}

.cuchillas-table tr:last-child td {
  border-bottom: none;
}

.cuchillas-table tr:hover td {
  background-color: #f8fafc;
}

.badge-dureza {
  display: inline-block;
  background: #f1f5f9;
  color: var(--ch-charcoal);
  border: 1px solid var(--ch-border);
  padding: 2px 6px;
  border-radius: var(--ch-radius-sm);
  font-weight: 750;
  font-family: var(--ch-font-mono);
  font-size: 0.72rem;
}

/* ==========================================================================
   9. FORMULARIO B2B DE COTIZACION (MINIMALISTA)
   ========================================================================= */
.cuchillas-quote-section {
  padding: 64px 0;
  background-color: var(--ch-mist);
}

.quote-box-b2b {
  background: #ffffff;
  border: 1px solid var(--ch-border);
  border-radius: var(--ch-radius-md);
  padding: 32px;
  box-shadow: var(--ch-shadow-subtle);
  max-width: 920px;
  margin: 0 auto;
}

.quote-header-b2b {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 26px;
}

.quote-headline {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--ch-black);
  margin: 0 0 8px;
}

.quote-subheadline {
  font-size: 0.86rem;
  color: var(--ch-steel);
  margin: 0;
}

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

.form-grid-b2b {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.form-group-b2b {
  display: flex;
  flex-direction: column;
}

.form-group-b2b.full-width {
  grid-column: span 2;
}

.form-group-b2b label {
  font-size: 0.76rem;
  font-weight: 750;
  color: var(--ch-charcoal);
  margin-bottom: 5px;
}

.form-group-b2b label em {
  color: #64748b;
  font-style: normal;
  margin-right: 2px;
}

.input-b2b, .textarea-b2b {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--ch-border);
  border-radius: var(--ch-radius-sm);
  background: #ffffff;
  color: var(--ch-charcoal);
  font-size: 0.82rem;
  font-family: var(--ch-font-sans);
  box-sizing: border-box;
  outline: none;
  transition: var(--ch-transition);
}

.input-b2b:focus, .textarea-b2b:focus {
  border-color: var(--ch-slate);
  box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.08);
}

.form-footer-b2b {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--ch-border-light);
}

.form-notice {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  color: var(--ch-steel);
  max-width: 420px;
}

.form-btn-actions {
  display: flex;
  gap: 10px;
}

.btn-submit-wa {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ch-charcoal);
  color: #ffffff;
  border: 1px solid var(--ch-charcoal);
  padding: 10px 20px;
  border-radius: var(--ch-radius-pill);
  font-size: 0.84rem;
  font-weight: 750;
  cursor: pointer;
  transition: var(--ch-transition);
}

.btn-submit-wa:hover {
  background: var(--ch-titanium-dark);
}

.btn-submit-direct {
  background: #ffffff;
  border: 1.5px solid var(--ch-border);
  color: var(--ch-charcoal);
  padding: 10px 18px;
  border-radius: var(--ch-radius-pill);
  font-size: 0.84rem;
  font-weight: 750;
  cursor: pointer;
  transition: var(--ch-transition);
}

.btn-submit-direct:hover {
  background: #f1f5f9;
}

/* ==========================================================================
   10. MODAL DE PRODUCTO / FICHA TECNICA (MINIMALISTA)
   ========================================================================== */
.cuchillas-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.cuchillas-modal-backdrop.active {
  display: flex;
}

.cuchillas-modal-card {
  position: relative;
  background: #ffffff;
  border-radius: var(--ch-radius-md);
  max-width: 760px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
  padding: 24px;
  animation: modalFadeIn 0.2s ease-out;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: scale(0.97); }
  to { opacity: 1; transform: scale(1); }
}

.cuchillas-modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  background: #f1f5f9;
  border: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ch-slate);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--ch-transition);
}

.cuchillas-modal-close:hover {
  background: #e2e8f0;
  color: var(--ch-black);
}

.modal-product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.modal-product-media {
  background: #f8fafc;
  border-radius: var(--ch-radius-sm);
  border: 1px solid var(--ch-border-light);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-product-media img {
  width: 100%;
  height: 270px;
  object-fit: cover;
  display: block;
}

.modal-product-info {
  display: flex;
  flex-direction: column;
}

.modal-category-tag {
  font-size: 0.66rem;
  font-weight: 800;
  color: var(--ch-steel);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.modal-product-title {
  font-size: 1.15rem;
  font-weight: 850;
  color: var(--ch-black);
  margin: 0 0 8px;
  line-height: 1.3;
}

.modal-product-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 10px;
}

.modal-product-desc {
  font-size: 0.82rem;
  color: var(--ch-graphite);
  line-height: 1.5;
  margin: 0 0 14px;
}

.modal-specs-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 18px;
  padding: 10px 12px;
  background: #f8fafc;
  border-radius: var(--ch-radius-sm);
  border: 1px solid var(--ch-border-light);
}

.modal-spec-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.76rem;
}

.modal-spec-name {
  color: var(--ch-steel);
  font-weight: 650;
}

.modal-spec-val {
  color: var(--ch-charcoal);
  font-weight: 750;
  font-family: var(--ch-font-mono);
}

.btn-modal-wa {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--ch-charcoal);
  color: #ffffff;
  padding: 10px 18px;
  border-radius: var(--ch-radius-pill);
  font-size: 0.84rem;
  font-weight: 750;
  text-decoration: none;
  transition: var(--ch-transition);
}

.btn-modal-wa:hover {
  background: var(--ch-titanium-dark);
}

/* ==========================================================================
   11. RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1024px) {
  .cuchillas-nav-links {
    gap: 16px;
  }

  .cuchillas-nav-item {
    font-size: 0.80rem;
  }

  .cuchillas-hero-content {
    max-width: 100%;
  }

  .hero-slider-bar {
    max-width: 100%;
  }

  .catalog-main-layout {
    grid-template-columns: 230px 1fr;
    gap: 18px;
  }

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

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

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

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

@media (max-width: 768px) {
  .cuchillas-topbar {
    display: none;
  }

  .cuchillas-navbar {
    height: 60px;
  }

  .cuchillas-nav-container {
    padding: 0 16px;
  }

  .cuchillas-nav-item {
    display: none;
  }

  .cuchillas-nav-back {
    display: inline-flex;
    padding: 4px 10px;
    font-size: 0.76rem;
  }

  .cuchillas-hero-title {
    font-size: 1.75rem;
  }

  .cuchillas-stats-ribbon {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .cuchillas-hero-overlay {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.92) 100%);
  }

  .hero-slider-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    border-radius: var(--ch-radius-md);
  }

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

  .catalog-main-layout {
    grid-template-columns: 1fr;
  }

  .catalog-sidebar {
    position: static;
  }

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

  .modal-product-grid {
    grid-template-columns: 1fr;
  }

  .form-grid-b2b {
    grid-template-columns: 1fr;
  }

  .form-group-b2b.full-width {
    grid-column: span 1;
  }

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

/* ==========================================================================
   11. FOOTER INDUSTRIAL CUCHILLAS & REDES SOCIALES
   ========================================================================== */

.site-footer {
  position: relative;
  background: #0b1118;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 2.6rem 1.5rem 2.2rem;
  text-align: center;
  color: #94a3b8;
  z-index: 10;
}

.site-footer .footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

.site-footer p {
  font-size: 0.8rem;
  color: #64748b;
  margin: 0;
}

.site-footer a {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.2s;
}

.site-footer a:hover {
  color: #38bdf8;
}

/* Footer Social Media */
.footer-social-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.footer-social-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #94a3b8;
}

.footer-social-icons {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 600;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(8px);
}

.social-btn svg {
  display: block;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.social-btn:hover {
  transform: translateY(-2px);
  color: #ffffff;
}

.social-btn:hover svg {
  transform: scale(1.12);
}

.social-btn.social-ig:hover {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  border-color: rgba(220, 39, 67, 0.6);
  box-shadow: 0 4px 15px rgba(220, 39, 67, 0.35);
}

.social-btn.social-fb:hover {
  background: #1877f2;
  border-color: #1877f2;
  box-shadow: 0 4px 15px rgba(24, 119, 242, 0.35);
}

.social-btn.social-li:hover {
  background: #0a66c2;
  border-color: #0a66c2;
  box-shadow: 0 4px 15px rgba(10, 102, 194, 0.35);
}

.social-btn.social-tt:hover {
  background: #010101;
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: -2px -2px 10px rgba(0, 242, 234, 0.5), 2px 2px 10px rgba(255, 0, 80, 0.5);
}