/*
  Theme: Consultoría - Modern & Volumetric UI
  Design System: Modern
  Color Scheme: Bright
  Animation Style: Non-linear movements
  Fonts: Poppins (Headings), Work Sans (Body)
*/

/* ---------------------------------------------------
   1. CSS Variables & Root Configuration
--------------------------------------------------- */
:root {
  /* Bright Color Palette */
  --color-primary: #6a11cb;
  --color-primary-dark: #5a0eae;
  --color-secondary: #2575fc;
  --color-accent: #ff4081;
  --gradient-primary: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);

  /* Neutral & Text Colors */
  --color-text-dark: #212529;
  --color-text-secondary: #6c757d;
  --color-text-light: #ffffff;
  --color-bg-light: #f8f9fa;
  --color-bg-dark: #111418;
  --color-border: #dee2e6;

  /* Typography */
  --font-primary: 'Poppins', sans-serif;
  --font-secondary: 'Work Sans', sans-serif;

  /* UI Elements */
  --border-radius: 0.75rem;
  --shadow-volume: 0 4px 0 var(--color-primary-dark);
  --shadow-volume-hover: 0 2px 0 var(--color-primary-dark);
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.1);
  --transition-speed: 0.3s;
  --transition-cubic: cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

/* ---------------------------------------------------
   2. Global Styles & Resets
--------------------------------------------------- */
body {
  font-family: var(--font-secondary);
  background-color: var(--color-text-light);
  color: var(--color-text-dark);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  color: var(--color-text-dark);
  text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

.section-title {
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 1rem;
}

section {
  padding: 6rem 0;
  overflow: hidden;
}

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

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

/* ---------------------------------------------------
   3. Page Transitions & Animations
--------------------------------------------------- */
.page-transition {
  opacity: 0;
  animation: fadeIn 0.5s ease-out forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

[data-animate-on-scroll] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--transition-cubic), transform 0.8s var(--transition-cubic);
}

[data-animate-on-scroll].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------------------------------------------------
   4. Header & Navigation
--------------------------------------------------- */
.header.fixed-top {
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
  transition: background-color var(--transition-speed) ease;
}

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

.nav-link {
  font-family: var(--font-secondary);
  font-weight: 500;
  color: var(--color-text-dark) !important;
  margin: 0 0.5rem;
  position: relative;
  transition: color var(--transition-speed) ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-speed) ease-out;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-primary) !important;
}

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

.navbar-toggler {
  border: none;
}

.navbar-toggler:focus {
  box-shadow: none;
}

/* ---------------------------------------------------
   5. Hero Section
--------------------------------------------------- */
.hero-section {
  min-height: 100vh;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}

.hero-section h1 {
  text-shadow: 2px 2px 8px rgba(0,0,0,0.7);
  color: var(--color-text-light);
}

.hero-section .lead {
   color: var(--color-text-light);
   max-width: 700px;
   margin-left: auto;
   margin-right: auto;
}

/* ---------------------------------------------------
   6. Buttons (Global)
--------------------------------------------------- */
.btn {
  font-family: var(--font-primary);
  font-weight: 600;
  padding: 0.8rem 2rem;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition-speed) var(--transition-cubic);
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-text-light);
  box-shadow: 0 4px 20px rgba(106, 17, 203, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 25px rgba(37, 117, 252, 0.4);
  color: var(--color-text-light);
}

.btn-secondary {
    background-color: var(--color-bg-light);
    color: var(--color-primary);
    border: 2px solid var(--color-border);
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-text-light);
    border-color: var(--color-primary);
}

.btn-3d {
  box-shadow: var(--shadow-volume);
}

.btn-3d:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-volume);
}

.btn-3d:active {
  transform: translateY(2px);
  box-shadow: var(--shadow-volume-hover);
}

/* ---------------------------------------------------
   7. Cards & Portfolio
--------------------------------------------------- */
.card {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.card-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.card-body {
  padding: 1.75rem;
  text-align: left;
  flex-grow: 1;
}

.card-title {
    color: var(--color-primary);
    font-weight: 700;
}

.card-testimonial {
    background: var(--gradient-primary);
    color: var(--color-text-light);
    border-radius: var(--border-radius);
}

.card-testimonial .blockquote-footer {
    color: rgba(255, 255, 255, 0.8);
}

/* ---------------------------------------------------
   8. Accordion (Methodology)
--------------------------------------------------- */
.accordion-item {
  border: none;
  border-radius: var(--border-radius) !important;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.accordion-button {
  font-family: var(--font-primary);
  font-weight: 600;
  color: var(--color-text-dark);
  background-color: var(--color-text-light);
}

.accordion-button:not(.collapsed) {
  color: var(--color-primary);
  background-color: #f0e9ff;
  box-shadow: none;
}

.accordion-button:focus {
  box-shadow: 0 0 0 0.25rem rgba(106, 17, 203, 0.25);
}

.accordion-body {
    background-color: var(--color-text-light);
}

/* ---------------------------------------------------
   9. Forms & Contact
--------------------------------------------------- */
.contact-form {
  background: var(--color-text-light);
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-soft);
}

.form-label {
    font-weight: 500;
    color: var(--color-text-secondary);
}

.form-control {
  background-color: var(--color-bg-light);
  border: 2px solid transparent;
  padding: 1rem;
  border-radius: 0.5rem;
  transition: border-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.form-control:focus {
  background-color: var(--color-text-light);
  border-color: var(--color-primary);
  box-shadow: 0 0 15px rgba(106, 17, 203, 0.2);
  outline: none;
}

/* ---------------------------------------------------
   10. External Resources Section
--------------------------------------------------- */
.resource-link {
  display: block;
  padding: 2rem;
  border-radius: var(--border-radius);
  background-color: var(--color-bg-light);
  text-decoration: none;
  height: 100%;
  transition: all var(--transition-speed) ease;
}
.resource-link:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-soft);
  background: var(--gradient-primary);
  color: var(--color-text-light);
}
.resource-link h4, .resource-link p {
  transition: color var(--transition-speed) ease;
}
.resource-link:hover h4, .resource-link:hover p {
  color: var(--color-text-light);
}
.resource-link h4 {
  font-weight: 600;
  color: var(--color-primary);
}
.resource-link p {
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* ---------------------------------------------------
   11. Footer
--------------------------------------------------- */
.footer {
  background-color: var(--color-bg-dark);
}

.footer h5 {
  color: var(--color-text-light);
}

.footer .text-muted {
  color: #adb5bd !important;
}

.footer-link {
  color: #adb5bd;
  text-decoration: none;
  transition: all var(--transition-speed) ease;
  display: inline-block;
  padding-bottom: 2px;
  position: relative;
}

.footer-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-text-light);
  transition: width var(--transition-speed) ease;
}

.footer-link:hover {
  color: var(--color-text-light);
}

.footer-link:hover::before {
  width: 100%;
}


/* ---------------------------------------------------
   12. Specific Page Styles
--------------------------------------------------- */
/* Success Page */
.success-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
  background: var(--gradient-primary);
}

.success-page .content {
  background: rgba(255, 255, 255, 0.9);
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-soft);
}

.success-page h1 {
  color: var(--color-primary);
}

/* Legal Pages (Privacy, Terms) */
.legal-page-content,
.about-page-content,
.contact-page-content {
  padding-top: 120px;
}

/* ---------------------------------------------------
   13. Responsive Design
--------------------------------------------------- */
@media (max-width: 991.98px) {
  section {
    padding: 4rem 0;
  }
  .navbar-nav {
    padding: 1rem;
    background-color: var(--color-text-light);
    border-radius: var(--border-radius);
    margin-top: 1rem;
    box-shadow: var(--shadow-soft);
  }
}

@media (max-width: 767.98px) {
  h1, .h1 {
    font-size: 2.5rem;
  }

  h2, .h2 {
    font-size: 2rem;
  }

  .contact-form {
    padding: 1.5rem;
  }
}