/* ==========================================================================
   Netprotech S.A.S. - Global Stylesheet
   Version 3.0
   ========================================================================== */

/* --- Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

/* --- CSS Variables & Design Tokens --- */
:root {
  /* Colors */
  --primary-color: #08559B;      /* Azul Netprotech */
  --secondary-color: #545454;    /* Gris Protech */
  --bg-color: #F8FAFC;           /* Fondo general claro */
  --surface-color: #FFFFFF;      /* Tarjetas y contenedores */
  --text-dark: #0F172A;          /* Títulos */
  --text-muted: #475569;         /* Párrafos */
  --accent-color: #064075;       /* Hover y acentos */

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;   /* 8px */
  --spacing-sm: 1rem;     /* 16px */
  --spacing-md: 2rem;     /* 32px */
  --spacing-lg: 4rem;     /* 64px */
  --spacing-xl: 8rem;     /* 128px */

  /* Radii & Shadows */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
  --shadow-sm: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.05), 0 4px 6px -4px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.05), 0 8px 10px -6px rgb(0 0 0 / 0.05);
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-blur: blur(12px);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Resets & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-body);
  font-size: 16px;
  scroll-behavior: smooth;
  color: var(--text-muted);
  background-color: var(--bg-color);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-dark);
  line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; letter-spacing: -0.01em; margin-bottom: var(--spacing-sm); }
h3 { font-size: clamp(1.5rem, 2vw, 1.75rem); font-weight: 600; margin-bottom: var(--spacing-xs); }

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-muted);
  font-size: 1.125rem;
}

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

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

ul {
  list-style: none;
}

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

/* --- Layout & Utilities --- */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.section {
  padding: var(--spacing-xl) 0;
}

@media (max-width: 768px) {
  .section {
    padding: var(--spacing-lg) 0;
  }
}

.text-center { text-align: center; }
.text-primary { color: var(--primary-color); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  gap: 0.5rem;
}

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

.btn-primary:hover {
  background-color: var(--accent-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: white;
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-secondary:hover {
  background-color: var(--primary-color);
  color: white;
}

/* --- Navigation (Glassmorphism) --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  transition: all var(--transition-normal);
  padding: 1rem 0;
}

.navbar.scrolled {
  padding: 0.75rem 0;
  box-shadow: var(--shadow-md);
}

.navbar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-color);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--text-dark);
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--text-dark);
  font-size: 1rem;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--primary-color);
  transition: width var(--transition-fast);
}

.nav-links a:hover::after, .nav-links a.active::after {
  width: 100%;
}

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

@media (max-width: 1024px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--surface-color);
    flex-direction: column;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--glass-border);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: block;
  }
}

/* --- Footer --- */
.footer {
  background-color: var(--text-dark);
  color: white;
  padding: var(--spacing-lg) 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: white;
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
}

.footer-col p, .footer-col a {
  color: #94A3B8; /* Slate 400 */
  margin-bottom: 0.75rem;
  display: block;
}

.footer-col a:hover {
  color: var(--primary-color);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: #94A3B8;
  font-size: 0.875rem;
}

/* --- Floating WhatsApp --- */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  color: white;
  border-radius: 50px;
  text-align: center;
  font-size: 30px;
  box-shadow: var(--shadow-lg);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  color: white;
}

@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 25px;
    }
}

/* --- Animations (AOS replacement) --- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }

/* --- Comodato Banner --- */
.comodato-banner {
  background: linear-gradient(135deg, var(--bg-color), #E2E8F0);
  border-radius: var(--radius-lg);
  padding: 3rem;
  border: 1px solid rgba(8, 85, 155, 0.1);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: center;
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--spacing-xl);
}

.comodato-banner-content h2 { margin-bottom: 1rem; }
.comodato-banner-list { display: grid; gap: 0.75rem; color: var(--text-muted); margin-bottom: 2rem; }
.comodato-banner-list li { display: flex; gap: 0.5rem; align-items: flex-start; }

.comodato-banner-cta {
  text-align: center;
  border-left: 1px solid rgba(0,0,0,0.1);
  padding-left: 3rem;
}

@media (max-width: 768px) {
  .comodato-banner {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 2rem;
  }
  .comodato-banner-cta {
    border-left: none;
    border-top: 1px solid rgba(0,0,0,0.1);
    padding-left: 0;
    padding-top: 2rem;
  }
}