:root {
  /* Color palette */
  --primary-color: #3a5a78;
  --primary-dark: #2a4359;
  --primary-light: #4b6b89;
  --secondary-color: #f8f9fa;
  --accent-color: #64a4c4;
  --accent-dark: #4a8aaa;
  --text-color: #333333;
  --text-light: #6c757d;
  --white: #ffffff;
  --black: #000000;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  
  /* Typography */
  --font-heading: 'Manrope', sans-serif;
  --font-body: 'Rubik', sans-serif;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast: 0.3s ease;
  --transition-normal: 0.5s ease;
  --transition-slow: 0.8s ease;
  
  /* Border radius */
  --border-radius-sm: 0.25rem;
  --border-radius: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 2rem;
}

/* Base Styles */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
  background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--gray-900);
}

p {
  margin-bottom: 1.5rem;
  color: var(--text-color);
}

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

a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

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

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.separator {
  width: 80px;
  height: 4px;
  background-color: var(--primary-color);
  margin: 0 auto 2rem;
  position: relative;
  border-radius: var(--border-radius);
}

.separator::before, .separator::after {
  content: "";
  position: absolute;
  height: 4px;
  border-radius: var(--border-radius);
  background-color: var(--accent-color);
}

.separator::before {
  width: 30px;
  left: -40px;
  top: 0;
}

.separator::after {
  width: 30px;
  right: -40px;
  top: 0;
}

.lead {
  font-size: 1.2rem;
  font-weight: 300;
  margin-bottom: 2rem;
  color: var(--gray-700);
}

/* Button Styles */
.btn, button, input[type='submit'] {
  display: inline-block;
  font-weight: 500;
  text-align: center;
  vertical-align: middle;
  user-select: none;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: var(--border-radius);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn:hover, button:hover, input[type='submit']:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.btn:active, button:active, input[type='submit']:active {
  transform: translateY(-1px);
}

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

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

.btn-outline-light {
  color: var(--white);
  border-color: var(--white);
  background-color: transparent;
}

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

/* Header & Navigation */
header {
  transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
  z-index: 1000;
}

header.scrolled {
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
}

.navbar {
  padding: 1rem 0;
  transition: padding var(--transition-normal);
}

.navbar-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-color);
}

.navbar-light .navbar-nav .nav-link {
  color: var(--gray-700);
  font-weight: 500;
  padding: 0.5rem 1rem;
  position: relative;
  transition: color var(--transition-fast);
}

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

.navbar-light .navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width var(--transition-fast), left var(--transition-fast);
}

.navbar-light .navbar-nav .nav-link:hover::after {
  width: 80%;
  left: 10%;
}

/* Hero Section */
.hero-section {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  color: var(--white);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  overflow: hidden;
  margin-top: 70px;
}

.hero-section .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.4));
  z-index: 1;
}

.hero-section .container {
  position: relative;
  z-index: 2;
}

.hero-section h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  margin-bottom: 1.5rem;
  color: var(--white);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-section p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  max-width: 800px;
  margin: 0 auto 2rem;
  color: var(--white);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* Mission Section */
#mision {
  position: relative;
  overflow: hidden;
  padding: 5rem 0;
}

.mission-image-container {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transform: perspective(1000px) rotateY(-5deg);
  transition: transform var(--transition-normal);
}

.mission-image-container:hover {
  transform: perspective(1000px) rotateY(0deg);
}

.mission-image-container img {
  transition: transform var(--transition-normal);
}

.mission-image-container:hover img {
  transform: scale(1.05);
}

/* Features Section */
#caracteristicas {
  position: relative;
  padding: 5rem 0;
}

.feature-card {
  border: none;
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
}

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

.card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.feature-card:hover .card-image img {
  transform: scale(1.1);
}

.card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.card-title {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.card-text {
  color: var(--gray-700);
  margin-bottom: 1.5rem;
}

/* Services Carousel */
#servicios {
  padding: 5rem 0;
}

.service-image-container {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-bottom: 1.5rem;
}

.service-content {
  background-color: var(--gray-100);
  border-radius: var(--border-radius);
  height: 100%;
}

.service-content h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.carousel-control-prev, .carousel-control-next {
  width: 5%;
  opacity: 0.7;
}

.carousel-control-prev-icon, .carousel-control-next-icon {
  background-color: var(--primary-color);
  border-radius: 50%;
  padding: 1.5rem;
}

/* Resources Section */
#recursos {
  padding: 5rem 0;
}

.resource-card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  height: 100%;
}

.resource-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.resource-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.resource-card h3 a {
  color: var(--primary-color);
  transition: color var(--transition-fast);
}

.resource-card h3 a:hover {
  color: var(--primary-dark);
  text-decoration: none;
}

.resource-meta .badge {
  font-size: 0.75rem;
  font-weight: 500;
  margin-right: 1rem;
}

.resource-date {
  color: var(--gray-600);
  font-size: 0.9rem;
}

/* Case Studies Timeline */
#casos {
  padding: 5rem 0;
  position: relative;
}

.timeline-container {
  position: relative;
  padding: 2rem 0;
}

.timeline-container::before {
  content: '';
  position: absolute;
  width: 4px;
  background-color: var(--gray-300);
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -2px;
  border-radius: var(--border-radius);
}

.timeline-item {
  padding: 2rem 0;
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
}

.timeline-img {
  width: 150px;
  height: 150px;
  background-color: var(--white);
  border: 4px solid var(--primary-color);
  border-radius: 50%;
  z-index: 1;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.timeline-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.timeline-content {
  width: 45%;
  padding: 2rem;
  background-color: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-right: 55%;
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: 55%;
}

.timeline-content:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.timeline-date {
  display: block;
  font-size: 0.9rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

/* Partners Section */
#socios {
  padding: 5rem 0;
}

.partner-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem;
  transition: transform var(--transition-normal);
}

.partner-logo:hover {
  transform: translateY(-5px);
}

.partner-logo img {
  max-width: 150px;
  height: auto;
  margin: 0 auto;
  filter: grayscale(100%);
  transition: filter var(--transition-normal), transform var(--transition-normal);
}

.partner-logo:hover img {
  filter: grayscale(0%);
  transform: scale(1.1);
}

.partner-logo p {
  margin-top: 1rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--gray-600);
}

/* Contact Section */
#contacto {
  padding: 5rem 0;
  position: relative;
}

.contact-info, .contact-form {
  background-color: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  height: 100%;
}

.contact-info i {
  color: var(--primary-color);
  margin-right: 0.5rem;
}

.social-links a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.social-links a:hover {
  color: var(--primary-dark);
}

.form-floating > .form-control, .form-floating > .form-select {
  height: calc(3.5rem + 2px);
  padding: 1rem 0.75rem;
}

.form-floating > textarea.form-control {
  height: auto;
}

.form-floating > label {
  padding: 1rem 0.75rem;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 0.25rem rgba(58, 90, 120, 0.25);
}

/* Footer */
.footer {
  background-color: var(--gray-900);
  color: var(--white);
  padding: 5rem 0 2rem;
}

.footer h4 {
  color: var(--white);
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 2px;
  background-color: var(--primary-color);
}

.footer p, .footer ul {
  color: var(--gray-400);
}

.footer a.text-white {
  transition: color var(--transition-fast);
}

.footer a.text-white:hover {
  color: var(--primary-light) !important;
  text-decoration: none;
}

.footer .social-links a {
  color: var(--white);
  margin-right: 1rem;
  font-size: 1rem;
  transition: color var(--transition-fast);
}

.footer .social-links a:hover {
  color: var(--primary-light);
  text-decoration: none;
}

.footer hr {
  border-color: var(--gray-700);
}

.footer .input-group .form-control {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.footer .input-group .btn {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

/* Success Page */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

.success-content {
  max-width: 600px;
  padding: 3rem;
  background-color: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
}

.success-icon {
  font-size: 5rem;
  color: #28a745;
  margin-bottom: 2rem;
}

/* Privacy & Terms Pages */
.privacy-page, .terms-page {
  padding-top: 100px;
  padding-bottom: 3rem;
}

.privacy-content, .terms-content {
  background-color: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  padding: 2rem;
}

/* Animation */
[data-aos] {
  opacity: 0;
  transition-property: opacity, transform;
  &.aos-animate {
    opacity: 1;
  }
}

[data-aos="fade-up"] {
  transform: translateY(50px);
  &.aos-animate {
    transform: translateY(0);
  }
}

[data-aos="fade-down"] {
  transform: translateY(-50px);
  &.aos-animate {
    transform: translateY(0);
  }
}

[data-aos="fade-right"] {
  transform: translateX(-50px);
  &.aos-animate {
    transform: translateX(0);
  }
}

[data-aos="fade-left"] {
  transform: translateX(50px);
  &.aos-animate {
    transform: translateX(0);
  }
}

/* Responsive Adjustments */
@media (max-width: 992px) {
  .timeline-container::before {
    left: 31px;
  }
  
  .timeline-img {
    left: 31px;
    margin-left: 0;
    top: 30px;
    width: 90px;
    height: 90px;
  }
  
  .timeline-content {
    width: calc(100% - 140px);
    margin-left: 140px !important;
  }
  
  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    margin-right: 0;
  }
  
  .navbar-collapse {
    background-color: var(--white);
    padding: 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
  }
}

@media (max-width: 768px) {
  .section-title {
    font-size: 2rem;
  }
  
  .hero-section {
    height: auto;
    padding: 6rem 0;
  }
}

@media (max-width: 576px) {
  .timeline-content {
    width: calc(100% - 100px);
    margin-left: 100px !important;
  }
  
  .timeline-img {
    width: 60px;
    height: 60px;
  }
}

/* 3D Effects */
.feature-card, .resource-card, .contact-info, .contact-form {
  transform-style: preserve-3d;
  perspective: 1000px;
}

.feature-card:hover, .resource-card:hover {
  transform: translateY(-10px) rotateX(5deg);
}

.service-image-container {
  transform-style: preserve-3d;
  perspective: 1000px;
  transition: transform var(--transition-normal);
}

.service-image-container:hover {
  transform: rotateY(5deg);
}

/* Read More Links */
.read-more {
  display: inline-block;
  color: var(--primary-color);
  font-weight: 500;
  position: relative;
  padding-right: 1.5rem;
  transition: color var(--transition-fast), padding var(--transition-fast);
}

.read-more::after {
  content: '→';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  transition: right var(--transition-fast);
}

.read-more:hover {
  color: var(--primary-dark);
  padding-right: 2rem;
  text-decoration: none;
}

.read-more:hover::after {
  right: 0.5rem;
}