/* =========================================
   CSS Variables & Design System
   ========================================= */
:root {
  /* Triadic Color Scheme */
  --primary: #ff4136;      /* Red */
  --primary-dark: #d7301f;
  --secondary: #3d9970;    /* Green */
  --secondary-dark: #2a7554;
  --tertiary: #0074d9;     /* Blue */
  --tertiary-dark: #0056a4;
  --accent: #ffdc00;       /* Yellow accent */
  
  /* Neutral Colors */
  --white: #ffffff;
  --off-white: #f8f9fa;
  --light-gray: #e9ecef;
  --gray: #6c757d;
  --dark-gray: #343a40;
  --black: #111111;
  
  /* Neo-brutalism */
  --neo-shadow: 5px 5px 0px rgba(0, 0, 0, 0.8);
  --neo-border: 2px solid var(--black);
  
  /* Typography */
  --heading-font: 'Playfair Display', Georgia, serif;
  --body-font: 'Source Sans Pro', Helvetica, Arial, sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 5rem;
  
  /* Borders & Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  
  /* Container widths */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  
  /* Z-index layers */
  --z-header: 1000;
  --z-overlay: 500;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

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

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

a {
  color: var(--tertiary);
  text-decoration: none;
  transition: color 0.3s ease, transform 0.3s ease;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--heading-font);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: 3rem;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 1.75rem;
}

p {
  margin-bottom: var(--space-md);
}

ul, ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

/* =========================================
   Container & Layout
   ========================================= */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.columns {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -15px;
}

.column {
  padding: 0 15px;
  width: 100%;
}

.is-one-third {
  width: 100%;
}

.is-two-thirds {
  width: 100%;
}

@media (min-width: 768px) {
  .is-one-third {
    width: 33.333%;
  }
  
  .is-two-thirds {
    width: 66.666%;
  }
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
  position: relative;
  color: var(--dark-gray);
}

.section-title::after {
  content: "";
  display: block;
  width: 60px;
  height: 4px;
  background-color: var(--primary);
  margin: var(--space-sm) auto 0;
}

.section-description {
  text-align: center;
  font-size: 1.2rem;
  max-width: 800px;
  margin: -20px auto var(--space-xl);
  color: var(--gray);
}

/* =========================================
   Buttons & Forms
   ========================================= */
.btn,
button,
input[type="submit"] {
  display: inline-block;
  font-family: var(--body-font);
  font-weight: 600;
  font-size: 1rem;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: var(--neo-border);
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
  text-decoration: none;
  box-shadow: var(--neo-shadow);
  transform: translateY(0);
}

.btn:hover,
button:hover,
input[type="submit"]:hover {
  transform: translateY(-3px);
  box-shadow: 7px 7px 0px rgba(0, 0, 0, 0.8);
  text-decoration: none;
}

.btn:active,
button:active,
input[type="submit"]:active {
  transform: translateY(1px);
  box-shadow: 3px 3px 0px rgba(0, 0, 0, 0.8);
}

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

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

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

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

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

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

/* Forms */
input,
textarea,
select {
  width: 100%;
  padding: 12px;
  border: var(--neo-border);
  border-radius: var(--radius-sm);
  font-family: var(--body-font);
  margin-bottom: var(--space-md);
  background-color: var(--white);
  font-size: 1rem;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 116, 217, 0.3);
}

label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 600;
}

.form-group {
  margin-bottom: var(--space-md);
}

/* =========================================
   Navigation & Header
   ========================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: var(--z-header);
  backdrop-filter: blur(10px);
}

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

.logo a h1 {
  font-family: var(--heading-font);
  font-size: 2rem;
  font-weight: 700;
  margin: 0;
}

.logo a {
  color: var(--dark-gray);
  text-decoration: none;
}

.main-nav ul {
  display: none;
  list-style: none;
  padding: 0;
  margin: 0;
}

.main-nav.active ul {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 80px;
  left: 0;
  width: 100%;
  background-color: var(--white);
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
  padding: var(--space-md);
}

.main-nav ul li {
  margin: 0 0 var(--space-sm) 0;
}

.main-nav ul li a {
  color: var(--dark-gray);
  text-decoration: none;
  font-weight: 600;
  padding: var(--space-sm) var(--space-md);
  display: block;
}

.main-nav ul li a:hover {
  color: var(--primary);
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--dark-gray);
  border-radius: 3px;
  transition: transform 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }

  .main-nav ul {
    display: flex;
    flex-direction: row;
  }

  .main-nav ul li {
    margin: 0 var(--space-sm);
  }
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
  position: relative;
  padding: 150px 0 100px;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  color: var(--white);
}

.hero .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.5));
  z-index: 1;
}

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

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  color: var(--white);
}

.hero-content p {
  font-size: 1.25rem;
  margin-bottom: var(--space-lg);
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
  color: var(--white);
}

@media (min-width: 768px) {
  .hero {
    padding: 200px 0 150px;
  }

  .hero-content h1 {
    font-size: 4rem;
  }
}

/* =========================================
   About Section
   ========================================= */
.about-section {
  padding: var(--space-xxl) 0;
  background-color: var(--white);
}

.about-section .image-container {
  margin-bottom: var(--space-lg);
  box-shadow: var(--neo-shadow);
  border: var(--neo-border);
  overflow: hidden;
  text-align: center;
}

.about-section img {
  transition: transform 0.5s ease;
  margin: 0 auto;
}

.about-section img:hover {
  transform: scale(1.05);
}

.stats-container {
  display: flex;
  flex-wrap: wrap;
  margin-top: var(--space-xl);
  justify-content: center;
}

.stat-widget {
  text-align: center;
  padding: var(--space-md);
  margin: var(--space-sm);
  background: var(--white);
  border: var(--neo-border);
  box-shadow: var(--neo-shadow);
  flex: 1 1 200px;
  max-width: 250px;
  transition: transform 0.3s ease;
}

.stat-widget:hover {
  transform: translateY(-5px);
}

.stat-widget h3 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-xs);
}

.stat-widget p {
  color: var(--dark-gray);
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.progress-bar {
  height: 6px;
  background: var(--light-gray);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

.progress-bar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0;
  background: var(--tertiary);
  transition: width 1.5s ease;
}

.progress-bar.animate::before {
  width: var(--value, 0%);
}

@media (min-width: 768px) {
  .about-section .image-container {
    margin-bottom: 0;
  }
}

/* =========================================
   Why Us Section
   ========================================= */
.why-us-section {
  padding: var(--space-xxl) 0;
  background-color: var(--light-gray);
}

.benefits {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.benefit-item {
  padding: var(--space-md);
  background: var(--white);
  border: var(--neo-border);
  box-shadow: var(--neo-shadow);
  transition: transform 0.3s ease;
}

.benefit-item:hover {
  transform: translateY(-5px);
}

.benefit-item h3 {
  color: var(--secondary);
  margin-bottom: var(--space-sm);
}

@media (min-width: 768px) {
  .benefits {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* =========================================
   Research & Analysis Section
   ========================================= */
.research-section {
  padding: var(--space-xxl) 0;
  background-color: var(--white);
}

.research-slider {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  margin-bottom: var(--space-md);
}

.research-slider::-webkit-scrollbar {
  display: none;
}

.slide {
  flex: 0 0 100%;
  scroll-snap-align: start;
  padding: 0 var(--space-md);
}

.card {
  background: var(--white);
  border: var(--neo-border);
  box-shadow: var(--neo-shadow);
  overflow: hidden;
  transition: transform 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

.card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  text-align: center;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  margin: 0 auto;
}

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

.card-content {
  padding: var(--space-lg);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.card-content h3 {
  margin-bottom: var(--space-sm);
  color: var(--dark-gray);
}

.card-content p {
  margin-bottom: var(--space-md);
  color: var(--gray);
}

.card-content .date {
  color: var(--primary);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  display: block;
}

.research-indicators {
  display: flex;
  justify-content: center;
  margin-top: var(--space-lg);
}

.indicator {
  width: 12px;
  height: 12px;
  background: var(--light-gray);
  border-radius: 50%;
  margin: 0 var(--space-xs);
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.indicator.active {
  background: var(--primary);
}

@media (min-width: 768px) {
  .slide {
    flex: 0 0 50%;
  }
}

@media (min-width: 992px) {
  .slide {
    flex: 0 0 33.333%;
  }
}

/* =========================================
   Success Stories Section
   ========================================= */
.success-stories-section {
  padding: var(--space-xxl) 0;
  background-color: var(--light-gray);
}

.stories-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .stories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .stories-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* =========================================
   Partners Section
   ========================================= */
.partners-section {
  padding: var(--space-xxl) 0;
  background-color: var(--white);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  align-items: center;
  justify-items: center;
}

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

.partner-item img {
  max-width: 150px;
  height: auto;
  margin: 0 auto var(--space-md);
  transition: transform 0.3s ease;
}

.partner-item:hover img {
  transform: scale(1.05);
}

.partner-item p {
  font-weight: 600;
  color: var(--gray);
}

@media (min-width: 768px) {
  .partners-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* =========================================
   Resources Section
   ========================================= */
.resources-section {
  padding: var(--space-xxl) 0;
  background-color: var(--light-gray);
}

.resources-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.resource-card {
  background: var(--white);
  padding: var(--space-lg);
  border: var(--neo-border);
  box-shadow: var(--neo-shadow);
  transition: transform 0.3s ease;
  text-align: center;
}

.resource-card:hover {
  transform: translateY(-5px);
}

.resource-card h3 {
  color: var(--tertiary);
  margin-bottom: var(--space-sm);
}

.resource-card p {
  margin-bottom: var(--space-md);
}

.resource-card a {
  display: inline-block;
  font-weight: 600;
  color: var(--primary);
  padding-bottom: 2px;
  border-bottom: 2px solid var(--primary);
  transition: all 0.3s ease;
}

.resource-card a:hover {
  color: var(--primary-dark);
  border-color: var(--primary-dark);
  text-decoration: none;
  transform: translateY(-2px);
}

@media (min-width: 768px) {
  .resources-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .resources-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* =========================================
   FAQ Section
   ========================================= */
.faq-section {
  padding: var(--space-xxl) 0;
  background-color: var(--white);
}

.accordion {
  margin-top: var(--space-xl);
}

.accordion-item {
  border: var(--neo-border);
  margin-bottom: var(--space-md);
  background-color: var(--white);
  box-shadow: var(--neo-shadow);
}

.accordion-header {
  padding: var(--space-lg);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.accordion-header h3 {
  margin: 0;
  font-size: 1.25rem;
  color: var(--dark-gray);
}

.accordion-header .icon {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  transition: transform 0.3s ease;
}

.accordion-item.active .icon {
  transform: rotate(45deg);
}

.accordion-content {
  padding: 0 var(--space-lg);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.accordion-item.active .accordion-content {
  padding: 0 var(--space-lg) var(--space-lg);
  max-height: 1000px;
}

/* =========================================
   Blog Section
   ========================================= */
.blog-section {
  padding: var(--space-xxl) 0;
  background-color: var(--light-gray);
}

.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .blog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* =========================================
   Contact Section
   ========================================= */
.contact-section {
  padding: var(--space-xxl) 0;
  background-color: var(--white);
}

.contact-info {
  margin-bottom: var(--space-xl);
}

.info-item {
  margin-bottom: var(--space-md);
}

.info-item h3 {
  font-size: 1.25rem;
  color: var(--tertiary);
  margin-bottom: var(--space-xs);
}

.contact-form {
  background: var(--white);
  padding: var(--space-lg);
  border: var(--neo-border);
  box-shadow: var(--neo-shadow);
}

/* =========================================
   Footer
   ========================================= */
.site-footer {
  background-color: var(--dark-gray);
  color: var(--white);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.footer-section h3 {
  color: var(--white);
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
  font-family: var(--heading-font);
}

.footer-section p {
  color: var(--light-gray);
  margin-bottom: var(--space-md);
}

.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-section ul li {
  margin-bottom: var(--space-sm);
}

.footer-section ul li a {
  color: var(--light-gray);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: var(--primary);
  text-decoration: none;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.social-links a {
  color: var(--light-gray);
  text-decoration: none;
  transition: color 0.3s ease, transform 0.3s ease;
  display: inline-block;
}

.social-links a:hover {
  color: var(--primary);
  transform: translateY(-3px);
  text-decoration: none;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  margin: 0;
  color: var(--light-gray);
  font-size: 0.875rem;
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .footer-content {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* =========================================
   Success, Privacy, Terms Pages
   ========================================= */
.success-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
  padding: var(--space-xl) var(--space-md);
}

.success-content {
  max-width: 600px;
  background: var(--white);
  padding: var(--space-xl);
  border: var(--neo-border);
  box-shadow: var(--neo-shadow);
}

.success-content h1 {
  color: var(--primary);
  margin-bottom: var(--space-md);
}

.privacy-page, 
.terms-page {
  padding-top: 100px;
  padding-bottom: var(--space-xxl);
}

.privacy-content,
.terms-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-xl);
  background: var(--white);
  border: var(--neo-border);
  box-shadow: var(--neo-shadow);
}

/* =========================================
   Animations & Utilities
   ========================================= */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Read More Links */
.read-more {
  display: inline-block;
  font-weight: 600;
  color: var(--primary);
  padding-right: 24px;
  position: relative;
  transition: all 0.3s ease;
}

.read-more::after {
  content: '→';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  transition: transform 0.3s ease;
}

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

.read-more:hover::after {
  transform: translate(5px, -50%);
}

/* Utility classes */
.text-center {
  text-align: center;
}

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

.text-primary {
  color: var(--primary);
}

.text-secondary {
  color: var(--secondary);
}

.text-tertiary {
  color: var(--tertiary);
}

.bg-primary {
  background-color: var(--primary);
}

.bg-secondary {
  background-color: var(--secondary);
}

.bg-tertiary {
  background-color: var(--tertiary);
}

.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }
.mt-5 { margin-top: var(--space-xxl); }

.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }
.mb-5 { margin-bottom: var(--space-xxl); }

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* Page transition animations with Barba.js */
.barba-container {
  position: relative;
  opacity: 1;
  transition: opacity 0.5s ease;
}

.barba-container.barba-leave {
  opacity: 0;
}

.barba-container.barba-enter {
  opacity: 0;
}

.barba-container.barba-enter-active {
  opacity: 1;
}

/* Custom page contacts */
.contacts-page {
  padding-top: 100px;
}