@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700&family=Quicksand:wght@600;700&display=swap');

:root {
  /* Colors */
  --clr-primary: #4285F4; /* Azul BIOREN */
  --clr-accent: #FFEB3B; /* Amarillo Biohazard */
  --clr-dark: #333333; /* Gris Oscuro */
  --clr-light: #FFFFFF; /* Blanco */
  --clr-gray-100: #F5F7FA;
  --clr-gray-200: #E4E7EB;

  /* Typography */
  --font-heading: 'Quicksand', sans-serif; /* Fallback for Arista Pro */
  --font-body: 'Montserrat', sans-serif;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 24px rgba(66, 133, 244, 0.15);
  
  /* Radii */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--clr-dark);
  background-color: var(--clr-light);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--clr-primary);
  font-weight: 700;
  line-height: 1.2;
}

p {
  margin-bottom: 1rem;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

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

/* Layout Utilities */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.section {
  padding: 5rem 0;
}

.text-center {
  text-align: center;
}

/* Typography Utilities */
.text-primary { color: var(--clr-primary); }
.text-accent { color: var(--clr-accent); }
.text-dark { color: var(--clr-dark); }
.text-light { color: var(--clr-light); }

.bg-primary { background-color: var(--clr-primary); }
.bg-accent { background-color: var(--clr-accent); }
.bg-light { background-color: var(--clr-light); }
.bg-gray { background-color: var(--clr-gray-100); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
}

.btn-primary {
  background-color: var(--clr-primary);
  color: var(--clr-light);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background-color: #3367d6; /* Darker primary */
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-accent {
  background-color: var(--clr-accent);
  color: var(--clr-dark);
}

.btn-accent:hover {
  background-color: #fdd835;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--clr-primary);
  border: 2px solid var(--clr-primary);
}

.btn-outline:hover {
  background-color: var(--clr-primary);
  color: var(--clr-light);
}

/* Header & Nav */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--clr-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo img {
    height: 80px; /* ajusta según tu diseño */
    width: auto;
    display: block;
}

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

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-weight: 500;
  color: var(--clr-dark);
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--clr-primary);
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding-top: 120px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--clr-gray-100) 0%, var(--clr-light) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(66,133,244,0.1) 0%, rgba(255,255,255,0) 70%);
  border-radius: 50%;
  z-index: 0;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  color: var(--clr-dark);
}

.hero-content h1 span {
  color: var(--clr-primary);
}

.hero-content p {
  font-size: 1.125rem;
  color: #555;
  margin-bottom: 2rem;
  max-width: 90%;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

.hero-image {
  position: relative;
}

.hero-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
  100% { transform: translateY(0px); }
}

/* Mission & Vision Section */
.about {
  background-color: var(--clr-light);
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--clr-dark);
}

.section-title span {
  color: var(--clr-primary);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--clr-light);
  padding: 2.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  border-top: 4px solid var(--clr-primary);
}

.card.accent {
  border-top-color: var(--clr-accent);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  font-size: 3rem;
  color: var(--clr-primary);
  margin-bottom: 1.5rem;
}

.card.accent .card-icon {
  color: var(--clr-accent);
}

.card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--clr-dark);
}

/* Values Section */
.values {
  background-color: var(--clr-primary);
  color: var(--clr-light);
  padding: 4rem 0;
}

.values .section-title {
  color: var(--clr-light);
}

.values .section-title span {
  color: var(--clr-accent);
}

.values-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}

.value-item {
  background: rgba(255, 255, 255, 0.1);
  padding: 1rem 2rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.value-item i {
  color: var(--clr-accent);
}

/* Services / Digital Process */
.process {
  background-color: var(--clr-gray-100);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  position: relative;
}

.step {
  text-align: center;
  padding: 2rem;
  background: var(--clr-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 1;
}

.step-number {
  width: 60px;
  height: 60px;
  background-color: var(--clr-primary);
  color: var(--clr-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
  font-family: var(--font-heading);
  margin: 0 auto 1.5rem auto;
  box-shadow: 0 0 0 10px rgba(66, 133, 244, 0.1);
}

.step h3 {
  margin-bottom: 1rem;
}

/* CTA / Contact Section */
.cta {
  background: linear-gradient(rgba(51, 51, 51, 0.9), rgba(51, 51, 51, 0.9)), url('https://images.unsplash.com/photo-1519494026892-80bbd2d6fd0d?auto=format&fit=crop&q=80') center/cover no-repeat fixed;
  color: var(--clr-light);
  text-align: center;
  padding: 6rem 0;
}

.cta h2 {
  color: var(--clr-light);
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.cta p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Footer */
.footer {
  background-color: var(--clr-dark);
  color: var(--clr-light);
  padding: 4rem 0 2rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--clr-light);
  margin-bottom: 1rem;
  display: inline-block;
}

.footer-logo span {
  color: var(--clr-accent);
}

.footer p {
  color: #aaa;
}

.footer h4 {
  color: var(--clr-light);
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: #aaa;
}

.footer-links a:hover {
  color: var(--clr-accent);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: #777;
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 992px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-content p {
    margin: 0 auto 2rem auto;
  }
  
  .hero-buttons {
    justify-content: center;
  }

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

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--clr-light);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
  }
  
  .nav-links.active {
    left: 0;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .nav .btn-primary {
    display: none;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}


/* Contenedor principal */
.contact-form {
    max-width: 500px;
    margin: 0 auto;
    padding: 2rem;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255,255,255,0.3);
}

/* Título opcional */
.contact-form h2 {
    font-family: var(--font-heading);
    color: var(--clr-primary);
    margin-bottom: 1.5rem;
}

/* Grupo de inputs */
.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 1.2rem;
}

/* Labels */
.form-group label {
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
    color: var(--clr-dark);
    font-weight: 600;
}

/* Inputs y textarea */
.form-group input,
.form-group textarea {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--clr-gray-200);
    background: var(--clr-light);
    font-family: var(--font-body);
    transition: var(--transition-fast);
    outline: none;
}

/* Focus bonito */
.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.2);
}

/* Botón */
.btn-primary {
    background: var(--clr-primary);
    color: var(--clr-light);
    border: none;
    padding: 0.9rem;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
}

/* Hover del botón */
.btn-primary:hover {
    background: #2f6fe4;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Botón ancho completo */
.w-full {
    width: 100%;
}

/* Efecto glass adicional si usas en más lados */
.glass-panel {
    backdrop-filter: blur(10px);
}

/* Responsive */
@media (max-width: 600px) {
    .contact-form {
        padding: 1.5rem;
    }
}