/* VITAMETRIC — Design System & Styles */
:root {
  --c-primary: #111827;
  --c-secondary: #005C8A;
  --c-secondary-dark: #004A6E;
  --c-secondary-light: #E6F2F8;
  --c-accent: #10B981;
  --c-accent-dark: #059669;
  --c-bg: #FFFFFF;
  --c-surface: #F9FAFB;
  --c-border: #E5E7EB;
  --c-border-light: #F3F4F6;
  --c-muted: #6B7280;
  --c-text: #374151;
  --c-heading: #111827;
  --font: Inter, -apple-system, BlinkMacSystemFont, Segoe UI, system-ui, sans-serif;
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 2rem;
  --fs-3xl: 2.5rem;
  --fs-4xl: 3.5rem;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-extrabold: 800;
  --lh-tight: 1.15;
  --lh-normal: 1.6;
  --sp-xs: 0.5rem;
  --sp-sm: 1rem;
  --sp-md: 1.5rem;
  --sp-lg: 2rem;
  --sp-xl: 3rem;
  --sp-2xl: 4rem;
  --sp-3xl: 6rem;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --t-fast: 150ms;
  --t-base: 250ms;
  --t-slow: 400ms;
  --t-reveal: 600ms;
  --max-w: 1200px;
  --nav-h: 100px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }

/* FIX: Sticky footer — no extra space below */
body {
  font-family: var(--font);
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  color: var(--c-text);
  background: var(--c-bg);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* FIX: Main content grows to push footer down */
main {
  flex: 1;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-secondary); text-decoration: none; transition: color var(--t-fast) ease; }
a:hover { color: var(--c-secondary-dark); }
ul { list-style: none; }
h1, h2, h3, h4, h5, h6 { color: var(--c-heading); font-weight: var(--fw-bold); line-height: var(--lh-tight); }
::selection { background: var(--c-secondary); color: white; }

/* Layout */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--sp-md); }
.section { padding: var(--sp-3xl) 0; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--t-base) var(--ease-out);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1;
}
.btn-primary { background: var(--c-secondary); color: white; border-color: var(--c-secondary); }
.btn-primary:hover { background: var(--c-secondary-dark); color: white; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: var(--c-secondary); border-color: var(--c-secondary); }
.btn-outline:hover { background: var(--c-secondary); color: white; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-sm { padding: 0.625rem 1.25rem; }
.btn-lg { padding: 0.875rem 2rem; font-size: var(--fs-base); }
.btn-block { width: 100%; }
.btn:focus-visible { outline: 2px solid var(--c-secondary); outline-offset: 2px; }

/* NAVBAR */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: all var(--t-base) var(--ease-out);
}
.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px) saturate(180%);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.nav-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-md);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; z-index: 10; }

/* FIX: Logo bigger — 70px height for 732x289 source */
.nav-logo-img { height: 70px; width: auto; object-fit: contain; }

.nav-menu { display: flex; align-items: center; gap: 0.25rem; }
.nav-link {
  display: block;
  padding: 0.5rem 1rem;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--c-muted);
  border-radius: var(--radius-sm);
  transition: all var(--t-fast) ease;
}
.navbar:not(.scrolled) .nav-link { color: rgba(255,255,255,0.85); }
.navbar:not(.scrolled) .nav-link:hover,
.navbar:not(.scrolled) .nav-link.active { color: white; }
.nav-link:hover { color: var(--c-secondary); background: var(--c-secondary-light); }
.nav-link.active { color: var(--c-secondary); }
.nav-cta {
  background: var(--c-secondary) ;
  color: white;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full) ;
  margin-left: 0.5rem;
}
.nav-cta:hover { background: var(--c-secondary-dark) ; transform: translateY(-1px); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; z-index: 10; }
.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-primary);
  position: relative;
  transition: all var(--t-base) ease;
}
.navbar:not(.scrolled) .hamburger { background: white; }
.hamburger::before, .hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background: inherit;
  left: 0;
  transition: all var(--t-base) ease;
}
.hamburger::before { top: -7px; }
.hamburger::after { bottom: -7px; }
.nav-toggle.active .hamburger { background: transparent; }
.nav-toggle.active .hamburger::before { top: 0; transform: rotate(45deg); background: var(--c-primary); }
.nav-toggle.active .hamburger::after { bottom: 0; transform: rotate(-45deg); background: var(--c-primary); }

/* NOSOTROS */
.section-nosotros { background: var(--c-bg); }
.nosotros-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-md); margin-bottom: var(--sp-2xl); }
.nosotros-card {
  padding: var(--sp-lg);
  background: var(--c-surface);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-border-light);
  transition: all var(--t-base) var(--ease-out);
}
.nosotros-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--c-border); }
.nosotros-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-secondary-light);
  color: var(--c-secondary);
  border-radius: var(--radius-md);
  margin-bottom: var(--sp-sm);
}
.nosotros-card h3 { font-size: var(--fs-lg); font-weight: var(--fw-semibold); margin-bottom: 0.5rem; }
.nosotros-card p { font-size: var(--fs-sm); color: var(--c-muted); line-height: var(--lh-normal); }
.nosotros-cta { text-align: center; }
.nosotros-quote {
  display: inline-block;
  font-size: var(--fs-xl);
  font-weight: var(--fw-medium);
  font-style: italic;
  color: var(--c-secondary);
  padding: var(--sp-md) var(--sp-lg);
  border-left: 4px solid var(--c-accent);
  background: var(--c-secondary-light);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.nosotros-quote p { margin: 0; }

/* TECNOLOGIA */
.section-tecnologia { background: var(--c-surface); }
.tech-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-md); }
.tech-card {
  background: var(--c-bg);
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-lg);
  transition: all var(--t-base) var(--ease-out);
  overflow: hidden;
}
.tech-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); border-color: var(--c-secondary); }
.tech-card-badge {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--c-accent-dark);
  background: rgba(16,185,129,0.08);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--sp-sm);
}
.tech-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--sp-sm);
}
.tech-card-title { font-size: var(--fs-xl); font-weight: var(--fw-bold); margin-bottom: 0.5rem; }
.tech-card-desc { font-size: var(--fs-sm); color: var(--c-muted); line-height: var(--lh-normal); margin-bottom: var(--sp-sm); }
.tech-card-features { margin-bottom: var(--sp-md); }
.tech-card-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-sm);
  padding: 0.375rem 0;
  color: var(--c-text);
}
.tech-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--c-secondary);
  transition: gap var(--t-base) ease;
}

/* Tech card disclaimer */
.tech-card-disclaimer {
  font-size: var(--fs-xs, 0.75rem);
  color: var(--c-text-light, #6B7280);
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--c-border, #E5E7EB);
  line-height: 1.4;
  font-style: italic;
}
.tech-card-link:hover { gap: 0.75rem; color: var(--c-secondary-dark); }

/* PRODUCTOS */
.section-productos { background: var(--c-bg); }
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-md); margin-bottom: var(--sp-2xl); }
.product-card {
  background: var(--c-bg);
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  transition: all var(--t-base) var(--ease-out);
  overflow: hidden;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); border-color: var(--c-secondary); }
.product-card-top { padding: var(--sp-lg) var(--sp-lg) var(--sp-sm); text-align: center; }
.product-badge {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: white;
  background: var(--c-secondary);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--sp-sm);
}
.product-badge-alt { background: linear-gradient(135deg, #6366F1, #8B5CF6); }
.product-img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin: 0 auto var(--sp-sm);
  display: block;
}
.product-card-top h3 { font-size: var(--fs-xl); font-weight: var(--fw-bold); margin-bottom: 0.25rem; }
.product-tagline { font-size: var(--fs-sm); color: var(--c-muted); }
.product-card-body { padding: 0 var(--sp-lg); flex: 1; }
.product-card-body p { font-size: var(--fs-sm); color: var(--c-muted); line-height: var(--lh-normal); margin-bottom: var(--sp-sm); }
.product-benefits { margin-bottom: var(--sp-sm); }
.product-benefits li {
  font-size: var(--fs-sm);
  padding: 0.25rem 0;
  padding-left: 1.25rem;
  position: relative;
  color: var(--c-text);
}
.product-benefits li::before { content: ''; position: absolute; left: 0; color: var(--c-accent); font-weight: var(--fw-bold); }
.product-card-footer { padding: var(--sp-sm) var(--sp-lg) var(--sp-lg); }
.products-info { max-width: 680px; margin: 0 auto; }
.info-card {
  display: flex;
  gap: var(--sp-sm);
  padding: var(--sp-md);
  background: var(--c-secondary-light);
  border: 1px solid rgba(0,92,138,0.1);
  border-radius: var(--radius-lg);
}
.info-card svg { flex-shrink: 0; margin-top: 2px; }
.info-card strong { display: block; font-size: var(--fs-sm); color: var(--c-secondary); margin-bottom: 0.25rem; }
.info-card p { font-size: var(--fs-sm); color: var(--c-muted); line-height: var(--lh-normal); margin: 0; }

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0a1628 0%, #0d2137 30%, #003d5c 60%, #005C8A 100%);
}
.hero-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: radial-gradient(circle at 1px 1px, white 1px, transparent 0);
  background-size: 40px 40px;
}
.hero-container {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--sp-xl) var(--sp-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-2xl);
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem 0.375rem 0.75rem;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-full);
  color: rgba(255,255,255,0.9);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
  margin-bottom: var(--sp-md);
}
.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--c-accent);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(16,185,129,0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(16,185,129,0); }
}
.hero-title {
  font-size: var(--fs-4xl);
  font-weight: var(--fw-extrabold);
  color: white;
  line-height: var(--lh-tight);
  margin-bottom: var(--sp-md);
  letter-spacing: -0.02em;
}
.hero-accent {
  background: linear-gradient(135deg, var(--c-accent), #34D399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: var(--fs-md);
  color: rgba(255,255,255,0.75);
  line-height: var(--lh-normal);
  margin-bottom: var(--sp-lg);
  max-width: 520px;
}
.hero-actions {
  display: flex;
  gap: var(--sp-sm);
  margin-bottom: var(--sp-xl);
  flex-wrap: wrap;
}
.hero-actions .btn-outline { border-color: rgba(255,255,255,0.3); color: white; }
.hero-actions .btn-outline:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.5); }
.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
}
.stat { text-align: center; }
.stat-number { display: block; font-size: var(--fs-xl); font-weight: var(--fw-bold); color: white; }
.stat-label { font-size: var(--fs-xs); color: rgba(255,255,255,0.6); text-transform: uppercase; letter-spacing: 0.05em; }
.stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.15); }
.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; }
.hero-image-wrapper { position: relative; width: 100%; max-width: 480px; aspect-ratio: 1; display: flex; justify-content: center; align-items: center; }
.hero-glow {
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(16,185,129,0.2) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(40px);
  animation: glow-pulse 4s ease-in-out infinite alternate;
}
@keyframes glow-pulse {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.2); opacity: 1; }
}
.hero-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.25rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  color: white;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  animation: float 6s ease-in-out infinite;
}
.hero-card-1 { top: 15%; left: 5%; animation-delay: 0s; }
.hero-card-2 { top: 45%; right: 0; animation-delay: -2s; }
.hero-card-3 { bottom: 15%; left: 15%; animation-delay: -4s; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.hero-scroll-indicator {
  position: absolute;
  bottom: var(--sp-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  z-index: 1;
}
.hero-scroll-indicator span { font-size: var(--fs-xs); color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 0.1em; }
.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid rgba(255,255,255,0.4);
  border-bottom: 2px solid rgba(255,255,255,0.4);
  transform: rotate(45deg);
  animation: scroll-bounce 2s ease-in-out infinite;
}
@keyframes scroll-bounce {
  0%, 100% { transform: rotate(45deg) translate(0,0); opacity: 0.4; }
  50% { transform: rotate(45deg) translate(4px,4px); opacity: 1; }
}

/* Section Headers */
.section-header { text-align: center; max-width: 680px; margin: 0 auto var(--sp-2xl); }
.section-tag {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--c-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--sp-sm);
  padding: 0.375rem 1rem;
  background: var(--c-secondary-light);
  border-radius: var(--radius-full);
}
.section-title { font-size: var(--fs-3xl); font-weight: var(--fw-bold); margin-bottom: var(--sp-sm); letter-spacing: -0.01em; }
.section-subtitle { font-size: var(--fs-md); color: var(--c-muted); line-height: var(--lh-normal); }

/* TESTIMONIOS */
.section-testimonios { background: var(--c-surface); }
.testimonial-slider { max-width: 720px; margin: 0 auto; overflow: hidden; position: relative; }
.testimonial-track { display: flex; transition: transform var(--t-slow) var(--ease-in-out); }
.testimonial-slide { min-width: 100%; padding: var(--sp-xl) var(--sp-lg); text-align: center; }
.testimonial-stars { font-size: var(--fs-xl); color: #FBBF24; margin-bottom: var(--sp-sm); letter-spacing: 0.15em; }
.testimonial-text {
  font-size: var(--fs-lg);
  color: var(--c-heading);
  line-height: var(--lh-normal);
  font-style: italic;
  margin-bottom: var(--sp-md);
  border: none;
  padding: 0;
}
.testimonial-author { display: flex; align-items: center; justify-content: center; gap: var(--sp-sm); }
.testimonial-avatar {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-secondary);
  color: white;
  font-weight: var(--fw-bold);
  font-size: var(--fs-sm);
  border-radius: 50%;
}
.testimonial-author strong { display: block; font-size: var(--fs-sm); color: var(--c-heading); }
.testimonial-author span { font-size: var(--fs-xs); color: var(--c-muted); }
.testimonial-controls { display: flex; align-items: center; justify-content: center; gap: var(--sp-sm); margin-top: var(--sp-sm); }
.testimonial-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: 50%;
  cursor: pointer;
  color: var(--c-text);
  transition: all var(--t-fast) ease;
}
.testimonial-btn:hover { background: var(--c-secondary); border-color: var(--c-secondary); color: white; }
.testimonial-dots { display: flex; gap: 0.5rem; }
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-border);
  border: none;
  cursor: pointer;
  transition: all var(--t-fast) ease;
  padding: 0;
}
.dot.active { background: var(--c-secondary); width: 28px; border-radius: var(--radius-full); }

/* CONTACTO */
.section-contacto { background: var(--c-bg); }
.contacto-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-2xl); align-items: start; }
.contacto-info-card { margin-bottom: var(--sp-md); }
.contacto-info-card h3 { font-size: var(--fs-xl); font-weight: var(--fw-bold); margin-bottom: var(--sp-md); }
.contacto-item { display: flex; gap: var(--sp-sm); margin-bottom: var(--sp-md); }
.contacto-item svg { flex-shrink: 0; margin-top: 2px; }
.contacto-item strong { display: block; font-size: var(--fs-sm); font-weight: var(--fw-semibold); color: var(--c-heading); margin-bottom: 0.125rem; }
.contacto-item p { font-size: var(--fs-sm); color: var(--c-muted); line-height: var(--lh-normal); margin: 0; }
.contacto-item a { color: var(--c-secondary); font-weight: var(--fw-medium); }
.contacto-map { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--c-border); }
.contacto-form {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
  padding: var(--sp-xl);
}
.contacto-form h3 { font-size: var(--fs-xl); font-weight: var(--fw-bold); margin-bottom: 0.25rem; }
.form-note { font-size: var(--fs-sm); color: var(--c-muted); margin-bottom: var(--sp-md); }
.form-group { margin-bottom: var(--sp-sm); }
.form-group label { display: block; font-size: var(--fs-sm); font-weight: var(--fw-medium); color: var(--c-heading); margin-bottom: 0.375rem; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font);
  font-size: var(--fs-base);
  color: var(--c-heading);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  transition: all var(--t-fast) ease;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--c-secondary); box-shadow: 0 0 0 3px rgba(0,92,138,0.1); }
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236B7280' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-sm); }
.contacto-form .btn { margin-top: var(--sp-xs); }
.form-success, .form-error {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-sm);
  padding: var(--sp-sm);
  border-radius: var(--radius-md);
  margin-top: var(--sp-sm);
}
.form-success { background: rgba(16,185,129,0.08); border: 1px solid rgba(16,185,129,0.2); }
.form-error { background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.2); }
.form-success p, .form-error p { font-size: var(--fs-sm); margin: 0; line-height: var(--lh-normal); }
.spinner { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* FOOTER */
.footer {
  background: var(--c-primary);
  color: rgba(255,255,255,0.7);
  padding: var(--sp-2xl) 0 var(--sp-md);
  margin-bottom: 0;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--sp-xl); margin-bottom: var(--sp-xl); }
.footer-logo { height: 32px; width: auto; margin-bottom: var(--sp-sm); filter: brightness(0) invert(1); opacity: 0.9; }
.footer-brand p { font-size: var(--fs-sm); line-height: var(--lh-normal); margin-bottom: var(--sp-sm); max-width: 280px; }
.footer-tag { display: inline-block; font-size: var(--fs-sm); font-weight: var(--fw-bold); color: var(--c-accent); }
.footer h4 { color: white; font-size: var(--fs-sm); font-weight: var(--fw-semibold); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: var(--sp-sm); }
.footer ul li { margin-bottom: 0.375rem; }
.footer ul a { font-size: var(--fs-sm); color: rgba(255,255,255,0.6); transition: color var(--t-fast) ease; }
.footer ul a:hover { color: white; }
.footer-contacto p { font-size: var(--fs-sm); margin-bottom: 0.375rem; }
.footer-contacto a { color: rgba(255,255,255,0.6); }
.footer-contacto a:hover { color: white; }


/* Footer medical disclaimer */
.footer-disclaimer {
  margin-top: 2rem;
  padding: 1.5rem;
  background: rgba(255,255,255,0.05);
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.1);
}
.footer-disclaimer p {
  font-size: var(--fs-xs, 0.75rem);
  color: var(--c-text-light, #9CA3AF);
  line-height: 1.5;
  margin-bottom: 0.5rem;
}
.footer-disclaimer p:last-child {
  margin-bottom: 0;
}
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: var(--sp-md); text-align: center; }
.footer-bottom p { font-size: var(--fs-xs); color: rgba(255,255,255,0.4); margin: 0; }

/* WHATSAPP FAB */
.whatsapp-fab {
  position: fixed;
  bottom: var(--sp-md);
  right: var(--sp-md);
  z-index: 900;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #25D366;
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(37,211,102,0.4);
  transition: all var(--t-base) var(--ease-out);
  animation: whatsapp-pulse 3s ease-in-out infinite;
}
.whatsapp-fab:hover { transform: scale(1.1); box-shadow: 0 6px 20px rgba(37,211,102,0.5); background: #20BD5A; }
@keyframes whatsapp-pulse {
  0%, 100% { box-shadow: 0 4px 12px rgba(37,211,102,0.4); }
  50% { box-shadow: 0 4px 20px rgba(37,211,102,0.6), 0 0 0 8px rgba(37,211,102,0.1); }
}

/* SCROLL REVEAL */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--t-reveal) var(--ease-out), transform var(--t-reveal) var(--ease-out);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero-container { grid-template-columns: 1fr; text-align: center; gap: var(--sp-xl); }
  .hero-content { order: 1; }
  .hero-visual { order: 2; display: none; }
  .hero-subtitle { max-width: 100%; margin: 0 auto var(--sp-lg); }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .nosotros-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .contacto-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  :root { --fs-4xl: 2.25rem; --fs-3xl: 1.875rem; --nav-h: 64px; }
  .section { padding: var(--sp-2xl) 0; }
  .nav-toggle { display: block; }
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(300px, 85vw);
    height: 100vh;
    flex-direction: column;
    background: white;
    padding: calc(var(--nav-h) + var(--sp-md)) var(--sp-md) var(--sp-md);
    box-shadow: var(--shadow-xl);
    transition: right var(--t-slow) var(--ease-out);
    gap: 0;
    align-items: stretch;
  }
  .nav-menu.open { right: 0; }
  .nav-link { color: var(--c-text); padding: 0.75rem 1rem; font-size: var(--fs-base); border-bottom: 1px solid var(--c-border-light); }
  .nav-link:hover { background: var(--c-surface); }
  .nav-cta { text-align: center; margin-left: 0 ; margin-top: var(--sp-sm); border-bottom: none ; }
  .hero { min-height: auto; padding: calc(var(--nav-h) + var(--sp-xl)) 0 var(--sp-xl); }
  .hero-stats { flex-direction: column; gap: var(--sp-sm); }
  .stat-divider { width: 40px; height: 1px; }
  .nosotros-grid { grid-template-columns: 1fr; }
  .nosotros-quote { font-size: var(--fs-lg); }
  .tech-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--sp-lg); }
  .whatsapp-fab { width: 52px; height: 52px; bottom: var(--sp-sm); right: var(--sp-sm); }
  .whatsapp-fab svg { width: 24px; height: 24px; }
  .hero-scroll-indicator { display: none; }
}
@media (max-width: 480px) {
  :root { --fs-4xl: 1.875rem; --fs-3xl: 1.5rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .contacto-form { padding: var(--sp-md); }
}


/* FIX: Show hero background image on mobile */
@media (max-width: 1024px) {
  .hero {
    background-image: url('../assets/img/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
  }
  .hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10,22,40,0.88) 0%, rgba(0,61,92,0.82) 100%);
    z-index: 0;
  }
  .hero-container {
    position: relative;
    z-index: 1;
  }
  .hero-visual {
    display: none;
  }
}


/* FIX: Tighter section spacing on mobile */
@media (max-width: 768px) {
  .section { padding: 3rem 0; }
  .section-header { margin-bottom: 2rem; }
  .hero { min-height: 90vh; }
}
@media (max-width: 480px) {
  .section { padding: 2.5rem 0; }
  .hero { min-height: 85vh; }
}


/* FIX: Footer visual separator */
.footer {
  border-top: 3px solid var(--c-accent);
}


/* DUAL LOGO: PNG on blue bg (top), JPEG on white bg (scrolled) */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

#nav-logo-jpg {
  display: none;
}

.nav-logo-tagline {
  font-size: 0.7rem;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.05em;
  line-height: 1.3;
  max-width: 140px;
  border-left: 2px solid rgba(255,255,255,0.3);
  padding-left: 0.75rem;
  transition: color var(--t-base) var(--ease-out), border-color var(--t-base) var(--ease-out);
}

.navbar.scrolled #nav-logo-png {
  display: none;
}

.navbar.scrolled #nav-logo-jpg {
  display: inline-block;
}

.navbar.scrolled .nav-logo-tagline {
  color: var(--c-muted);
  border-left-color: var(--c-border);
}

@media (max-width: 1024px) {
  .nav-logo-tagline {
    display: none;
  }
  .nav-logo-img {
    height: 80px;
  }
}

@media (max-width: 1024px) and (min-width: 769px) {
  .nav-logo-img {
    height: 80px;
  }
}