/* ==========================================================================
   MEDIADVANCE S.A.S. · Rediseño Editorial Awwwards (SimCodec)
   Vanguardia Clínica & Biotecnología Médica de Alta Gama
   WCAG AAA · Zero Emojis · 100% Fuentes y Librerías Locales
   ========================================================================== */

/* Fuentes locales de alta definición */
@font-face {
  font-family: 'Inter';
  src: url('fonts/inter-400-normal.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('fonts/inter-500-normal.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('fonts/inter-600-normal.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter Tight';
  src: url('fonts/inter-tight-700-normal.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter Tight';
  src: url('fonts/inter-tight-800-normal.woff2') format('woff2');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Instrument Serif';
  src: url('fonts/instrument-serif-400-italic.woff2') format('woff2');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

:root {
  /* Paleta cromática clínica de vanguardia */
  --bg-sterile: #F8FAFC;
  --bg-pure: #FFFFFF;
  --bg-deep: #0A192F;
  --bg-navy: #0F233D;
  --bg-card: #FFFFFF;
  --bg-card-subtle: #F1F5F9;
  
  --primary-deep: #0A2540;
  --primary-navy: #132D4B;
  --cyan-bio: #00BFA5;
  --cyan-glow: #00E5BE;
  --cyan-soft: #E6FBF7;
  --cyan-border: rgba(0, 191, 165, 0.3);
  
  --text-primary: #0A192F;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --text-inverse: #F8FAFC;
  --text-inverse-muted: #94A3B8;

  --border-sterile: #E2E8F0;
  --border-light: rgba(10, 37, 64, 0.08);
  --border-accent: rgba(0, 191, 165, 0.4);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Inter Tight', 'Inter', sans-serif;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Roboto Mono', monospace;

  --shadow-sm: 0 1px 2px rgba(10, 37, 64, 0.04);
  --shadow-md: 0 4px 12px rgba(10, 37, 64, 0.06), 0 1px 3px rgba(10, 37, 64, 0.03);
  --shadow-lg: 0 12px 28px rgba(10, 37, 64, 0.08), 0 2px 6px rgba(10, 37, 64, 0.04);
  --shadow-glow: 0 0 30px rgba(0, 191, 165, 0.18);

  --container-max: 1320px;
  --container-padding: clamp(1.25rem, 4vw, 3rem);
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-sterile);
  color: var(--text-primary);
  font-family: var(--font-sans);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  line-height: 1.6;
  background-color: var(--bg-sterile);
  color: var(--text-primary);
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

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

ul {
  list-style: none;
}

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

/* ==========================================================================
   1. BANNER OBLIGATORIO DE DEMOSTRACIÓN (SimCodec)
   ========================================================================== */
.demo-bar {
  background-color: #0A192F;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  color: #E2E8F0;
  font-size: 0.8125rem;
  padding: 0.625rem 1rem;
  position: relative;
  z-index: 1000;
  line-height: 1.4;
}

.demo-bar-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.25rem;
}

.demo-bar-left {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-wrap: wrap;
}

.demo-bar-tag {
  background: rgba(0, 191, 165, 0.15);
  border: 1px solid var(--cyan-bio);
  color: var(--cyan-bio);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-xs);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.demo-bar-tag svg {
  width: 11px;
  height: 11px;
}

.demo-bar-notice {
  font-weight: 400;
  color: #CBD5E1;
}

.demo-bar-notice strong {
  color: #FFFFFF;
  font-weight: 600;
}

.demo-bar-link {
  color: var(--cyan-glow);
  text-decoration: underline;
  text-underline-offset: 3px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.demo-bar-link:hover {
  color: #FFFFFF;
}

.demo-bar-link svg {
  width: 12px;
  height: 12px;
}

.demo-bar-models {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.model-pill {
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  color: #94A3B8;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.model-pill:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.1);
}

.model-pill.active {
  background: var(--cyan-bio);
  color: #0A192F;
  font-weight: 600;
}

/* ==========================================================================
   2. HEADER PRINCIPAL Y NAVEGACIÓN EDITORIAL
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.75rem;
  gap: 1.5rem;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.brand-logo-link {
  display: flex;
  align-items: center;
}

.brand-logo {
  height: 42px;
  width: auto;
  object-fit: contain;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.6rem;
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-sterile);
  border-radius: 999px;
  font-size: 0.6875rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.03em;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--cyan-bio);
  box-shadow: 0 0 0 0 rgba(0, 191, 165, 0.7);
  animation: pulse-ring 2s infinite cubic-bezier(0.66, 0, 0, 1);
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(0, 191, 165, 0.7); }
  70% { box-shadow: 0 0 0 6px rgba(0, 191, 165, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 191, 165, 0); }
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  position: relative;
  padding: 0.5rem 0;
}

.nav-idx {
  font-size: 0.6875rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--primary-deep);
  transition: width 0.25s ease;
}

.nav-link:hover {
  color: var(--primary-deep);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-cta-vademecum {
  background: var(--primary-deep);
  color: #FFFFFF;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: 0.02em;
  transition: all 0.25s ease;
  box-shadow: 0 2px 8px rgba(10, 37, 64, 0.15);
}

.btn-cta-vademecum:hover {
  background: #132D4B;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(10, 37, 64, 0.22);
}

.btn-cta-vademecum svg {
  width: 14px;
  height: 14px;
  stroke: var(--cyan-glow);
}

.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-sterile);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
}

/* ==========================================================================
   3. HERO EDITORIAL MONUMENTAL
   ========================================================================== */
.hero-section {
  position: relative;
  padding-top: clamp(2rem, 5vw, 4.5rem);
  padding-bottom: clamp(3rem, 6vw, 6rem);
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
  overflow: hidden;
  border-bottom: 1px solid var(--border-light);
}

.hero-meta-ticker {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-sterile);
  margin-bottom: 2.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  overflow-x: auto;
  white-space: nowrap;
}

.hero-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-meta-item strong {
  color: var(--primary-deep);
  font-weight: 600;
}

.hero-meta-divider {
  width: 4px;
  height: 4px;
  background-color: var(--border-sterile);
  border-radius: 50%;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary-deep);
  background: var(--cyan-soft);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--cyan-border);
  margin-bottom: 1.5rem;
}

.hero-kicker svg {
  width: 14px;
  height: 14px;
  color: var(--cyan-bio);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.35rem, 5.2vw, 4.25rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.035em;
  color: var(--primary-deep);
  margin-bottom: 1.5rem;
}

.hero-title-italic {
  font-family: var(--font-serif);
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.01em;
  color: var(--cyan-bio);
}

.hero-description {
  font-size: clamp(1.0625rem, 1.4vw, 1.25rem);
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 580px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.75rem;
}

.btn-primary {
  background-color: var(--primary-deep);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  transition: all 0.25s ease;
  box-shadow: 0 4px 16px rgba(10, 37, 64, 0.16);
}

.btn-primary:hover {
  background-color: var(--primary-navy);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(10, 37, 64, 0.24);
}

.btn-secondary {
  background-color: #FFFFFF;
  color: var(--primary-deep);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-sterile);
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  transition: all 0.25s ease;
}

.btn-secondary:hover {
  background-color: var(--bg-card-subtle);
  border-color: #CBD5E1;
  transform: translateY(-2px);
}

.hero-badges-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-sterile);
}

.hero-badge-item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.hero-badge-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--cyan-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-bio);
  flex-shrink: 0;
}

.hero-badge-icon svg {
  width: 16px;
  height: 16px;
}

.hero-badge-text {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}

.hero-badge-text span {
  display: block;
  font-weight: 400;
  color: var(--text-muted);
}

/* Visual del Hero */
.hero-visual-panel {
  position: relative;
}

.hero-image-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-deep);
  border: 1px solid var(--border-sterile);
  box-shadow: var(--shadow-lg);
}

.hero-image-card img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.hero-image-card:hover img {
  transform: scale(1.03);
}

.hero-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 25, 47, 0.1) 0%, rgba(10, 25, 47, 0.75) 100%);
  pointer-events: none;
}

.hero-hud-card {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  right: 1.25rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: var(--shadow-md);
}

.hud-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.hud-title {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--primary-deep);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hud-status {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--cyan-bio);
  font-weight: 600;
}

.hud-body {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* ==========================================================================
   4. MANIFIESTO CLÍNICO & PRINCIPIOS ÉTICOS
   ========================================================================== */
.section-manifesto {
  padding: clamp(4rem, 8vw, 7.5rem) 0;
  background-color: var(--bg-pure);
  position: relative;
  border-bottom: 1px solid var(--border-light);
}

.manifesto-header {
  max-width: 860px;
  margin-bottom: clamp(3rem, 5vw, 4.5rem);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan-bio);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.manifesto-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.85rem, 3.5vw, 2.75rem);
  line-height: 1.25;
  color: var(--primary-deep);
  margin-bottom: 1.5rem;
}

.manifesto-lead {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.manifesto-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.manifesto-card {
  background: var(--bg-sterile);
  border: 1px solid var(--border-sterile);
  border-radius: var(--radius-md);
  padding: 2.25rem 2rem;
  position: relative;
  transition: all 0.3s ease;
}

.manifesto-card:hover {
  background: #FFFFFF;
  border-color: var(--cyan-bio);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.card-num {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cyan-bio);
  margin-bottom: 1.25rem;
  display: block;
}

.manifesto-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-deep);
  margin-bottom: 0.75rem;
}

.manifesto-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   5. PORTAFOLIO CLÍNICO Y FÓRMULAS ESPECIALIZADAS
   ========================================================================== */
.section-portfolio {
  padding: clamp(4rem, 8vw, 7.5rem) 0;
  background-color: var(--bg-sterile);
  border-bottom: 1px solid var(--border-light);
}

.portfolio-header-flex {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 800;
  color: var(--primary-deep);
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.portfolio-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  background: #FFFFFF;
  padding: 0.35rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-sterile);
}

.filter-btn {
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.filter-btn:hover {
  color: var(--text-primary);
  background: var(--bg-card-subtle);
}

.filter-btn.active {
  background: var(--primary-deep);
  color: #FFFFFF;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.product-card {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-sterile);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  box-shadow: var(--shadow-sm);
}

.product-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 191, 165, 0.4);
  box-shadow: var(--shadow-lg);
}

.product-image-box {
  background: #F8FAFC;
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: 260px;
  border-bottom: 1px solid var(--border-sterile);
}

.product-image-box img {
  max-height: 210px;
  width: auto;
  object-fit: contain;
  transition: transform 0.4s ease;
}

.product-card:hover .product-image-box img {
  transform: scale(1.05);
}

.product-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: #FFFFFF;
  border: 1px solid var(--border-sterile);
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--primary-deep);
  text-transform: uppercase;
}

.product-content {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.625rem;
}

.product-category {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--cyan-bio);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-arcsa {
  font-size: 0.6875rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.product-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary-deep);
  margin-bottom: 0.5rem;
  line-height: 1.25;
}

.product-summary {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.product-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 1rem;
  padding: 0.875rem;
  background: var(--bg-sterile);
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  font-size: 0.75rem;
}

.spec-item strong {
  display: block;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.6875rem;
  text-transform: uppercase;
}

.spec-item span {
  color: var(--primary-deep);
  font-weight: 600;
}

.product-footer-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.btn-spec-sheet {
  background: var(--bg-card-subtle);
  color: var(--primary-deep);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-sterile);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s ease;
  width: 100%;
  justify-content: center;
}

.btn-spec-sheet:hover {
  background: var(--primary-deep);
  color: #FFFFFF;
  border-color: var(--primary-deep);
}

.btn-spec-sheet svg {
  width: 14px;
  height: 14px;
}

/* ==========================================================================
   6. CANALES DE DISTRIBUCIÓN & MODELO LOGÍSTICO
   ========================================================================== */
.section-channels {
  padding: clamp(4rem, 8vw, 7.5rem) 0;
  background-color: var(--bg-pure);
  border-bottom: 1px solid var(--border-light);
}

.channels-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3.5rem;
}

.channel-card {
  background: var(--bg-sterile);
  border: 1px solid var(--border-sterile);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
}

.channel-card:hover {
  background: #FFFFFF;
  border-color: var(--cyan-bio);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.channel-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--cyan-soft);
  color: var(--cyan-bio);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.channel-icon svg {
  width: 24px;
  height: 24px;
}

.channel-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.channel-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary-deep);
  margin-bottom: 0.75rem;
}

.channel-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ==========================================================================
   7. MÉTRICAS INSTITUCIONALES (COUNTERS ANIMADOS)
   ========================================================================== */
.section-metrics {
  background-color: var(--bg-deep);
  color: #FFFFFF;
  padding: clamp(4rem, 7vw, 6.5rem) 0;
  position: relative;
  overflow: hidden;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
  z-index: 2;
}

.metric-item {
  border-left: 2px solid var(--cyan-bio);
  padding-left: 1.5rem;
}

.metric-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4.5vw, 4rem);
  font-weight: 800;
  line-height: 1;
  color: #FFFFFF;
  margin-bottom: 0.5rem;
  letter-spacing: -0.03em;
}

.metric-number span {
  color: var(--cyan-glow);
}

.metric-label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #F8FAFC;
  margin-bottom: 0.35rem;
}

.metric-sub {
  font-size: 0.8125rem;
  color: var(--text-inverse-muted);
  line-height: 1.4;
}

/* ==========================================================================
   8. COTIZADOR INSTITUCIONAL & SIMULADOR DE SUMINISTRO
   ========================================================================== */
.section-calculator {
  padding: clamp(4rem, 8vw, 7.5rem) 0;
  background-color: var(--bg-sterile);
  border-bottom: 1px solid var(--border-light);
}

.calculator-wrapper {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-sterile);
  padding: clamp(2rem, 4vw, 3.5rem);
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2rem, 4vw, 4rem);
}

.calc-intro h3 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.8vw, 2.25rem);
  font-weight: 800;
  color: var(--primary-deep);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.calc-intro p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.calc-perks {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.perk-row {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.perk-icon {
  width: 20px;
  height: 20px;
  color: var(--cyan-bio);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.calc-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  background: var(--bg-sterile);
  padding: 2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-sterile);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary-deep);
}

.form-control, .form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-sterile);
  background: #FFFFFF;
  font-family: inherit;
  font-size: 0.875rem;
  color: var(--text-primary);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus, .form-select:focus {
  outline: none;
  border-color: var(--cyan-bio);
  box-shadow: 0 0 0 3px rgba(0, 191, 165, 0.15);
}

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

.calc-result-box {
  background: #FFFFFF;
  border: 1px solid var(--border-sterile);
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.calc-result-title {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
}

.calc-result-estimate {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-deep);
}

.btn-submit-calc {
  background: var(--primary-deep);
  color: #FFFFFF;
  font-weight: 600;
  padding: 0.875rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.25s ease;
}

.btn-submit-calc:hover {
  background: var(--primary-navy);
}

/* ==========================================================================
   9. OPINIONES MÉDICAS & CRITERIO CLÍNICO
   ========================================================================== */
.section-testimonials {
  padding: clamp(4rem, 8vw, 7.5rem) 0;
  background-color: var(--bg-pure);
  border-bottom: 1px solid var(--border-light);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3.5rem;
}

.testimonial-card {
  background: var(--bg-sterile);
  border: 1px solid var(--border-sterile);
  border-radius: var(--radius-md);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.75rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  border-top: 1px solid var(--border-sterile);
  padding-top: 1.25rem;
}

.author-avatar-ph {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--cyan-soft);
  color: var(--cyan-bio);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.author-info h4 {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary-deep);
}

.author-info span {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
}

/* ==========================================================================
   10. FOOTER EDITORIAL INSTITUCIONAL
   ========================================================================== */
.site-footer {
  background-color: var(--bg-deep);
  color: var(--text-inverse);
  padding-top: clamp(4rem, 8vw, 6.5rem);
  padding-bottom: 2rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: clamp(2rem, 4vw, 4rem);
  padding-bottom: 4rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand p {
  color: var(--text-inverse-muted);
  font-size: 0.875rem;
  line-height: 1.6;
  margin-top: 1.25rem;
  max-width: 320px;
}

.footer-title {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  color: #FFFFFF;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  font-size: 0.875rem;
  color: var(--text-inverse-muted);
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--cyan-glow);
}

.footer-meta-block {
  background: rgba(255, 255, 255, 0.04);
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8125rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer-meta-item strong {
  color: #FFFFFF;
  display: block;
  font-size: 0.6875rem;
  text-transform: uppercase;
  font-family: var(--font-mono);
  color: var(--cyan-bio);
}

.footer-bottom {
  padding-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-copy-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8125rem;
  color: var(--text-inverse-muted);
}

/* Footer SimCodec Demonstration Notice */
.footer-demo-box {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8125rem;
}

.footer-demo-text {
  color: #CBD5E1;
}

.footer-demo-text a {
  color: var(--cyan-glow);
  text-decoration: underline;
}

/* ==========================================================================
   11. MODAL / DRAWER DE FICHA TÉCNICA MÉDICA
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 25, 47, 0.75);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal-content {
  background: #FFFFFF;
  width: 100%;
  max-width: 680px;
  border-radius: var(--radius-md);
  padding: 2.25rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid var(--border-sterile);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-sterile);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.modal-close-btn:hover {
  background: var(--primary-deep);
  color: #FFFFFF;
}

/* ==========================================================================
   12. RESPONSIVIDAD Y OPTIMIZACIONES
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .manifesto-grid, .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .channels-grid, .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .calculator-wrapper {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
  }
  .manifesto-grid, .testimonials-grid, .channels-grid, .metrics-grid {
    grid-template-columns: 1fr;
  }
  .products-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .demo-bar-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .demo-bar-models {
    width: 100%;
    overflow-x: auto;
  }
}