:root {
  /* Tetrad color scheme */
  --primary-color: #ff6b35; /* Orange - Primary */
  --secondary-color: #2ec4b6; /* Teal - Secondary */
  --tertiary-color: #845ec2; /* Purple - Tertiary */
  --quaternary-color: #ffc75f; /* Yellow - Quaternary */
  
  /* Darker shades for hover effects */
  --primary-dark: #e55a2b;
  --secondary-dark: #25a99c;
  --tertiary-dark: #6e4ba3;
  --quaternary-dark: #e6b046;
  
  /* Neutral colors */
  --dark: #333333;
  --medium: #777777;
  --light: #f5f5f5;
  --white: #ffffff;
  
  /* Font families */
  --heading-font: 'Inter', sans-serif;
  --body-font: 'IBM Plex Sans', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;
  
  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Base styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

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

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

h1 {
  font-size: 3.5rem;
  font-weight: 900;
}

h2 {
  font-size: 2.5rem;
  position: relative;
  display: inline-block;
}

h3 {
  font-size: 1.75rem;
}

p {
  margin-bottom: var(--spacing-sm);
}

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

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

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

ul, ol {
  list-style-position: inside;
  margin-bottom: var(--spacing-sm);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

/* Section styles */
.section-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  font-weight: 900;
  color: var(--dark);
  position: relative;
  z-index: 1;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--primary-color);
  border-radius: var(--radius-sm);
}

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

/* Asymmetric balance elements */
.asymmetric-bg {
  position: absolute;
  width: 35%;
  height: 70%;
  background-color: rgba(46, 196, 182, 0.1);
  top: 15%;
  left: -10%;
  transform: skew(-15deg);
  z-index: -1;
  border-radius: var(--radius-lg);
}

.asymmetric-bg.right {
  left: auto;
  right: -10%;
  background-color: rgba(255, 107, 53, 0.1);
  transform: skew(15deg);
}

/* Button styles */
.btn {
  display: inline-block;
  padding: 12px 28px;
  font-family: var(--heading-font);
  font-weight: 600;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-medium);
  box-shadow: var(--shadow-sm);
  border: none;
  font-size: 0.9rem;
}

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

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

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

.btn-secondary:hover {
  background-color: var(--secondary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--white);
}

button, input[type='submit'] {
  font-family: var(--heading-font);
  cursor: pointer;
}

/* Header styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  padding: var(--spacing-sm) 0;
  backdrop-filter: blur(5px);
}

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

.logo {
  font-size: 1.8rem;
  font-weight: 900;
  font-family: var(--heading-font);
  text-transform: uppercase;
}

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

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

.nav__list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__list li {
  margin-left: var(--spacing-md);
}

.nav__list a {
  color: var(--dark);
  font-weight: 500;
  position: relative;
  padding-bottom: 5px;
}

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

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

.nav__list a:hover::after {
  width: 100%;
}

.burger-menu {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  cursor: pointer;
}

.burger-menu span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--dark);
  transition: all var(--transition-medium);
}

/* Hero section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  margin-top: 0;
  padding-top: 0;
}

.hero::before {
  content: '';
  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, 0.4));
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin-left: var(--spacing-lg);
}

.hero__title {
  color: var(--white);
  font-size: 3.5rem;
  margin-bottom: var(--spacing-sm);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero__text {
  color: var(--white);
  font-size: 1.2rem;
  margin-bottom: var(--spacing-md);
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

/* Services section */
.services {
  background-color: var(--white);
  position: relative;
  overflow: hidden;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.card {
  background-color: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

.card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  position: relative;
}

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

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

.card-content {
  padding: var(--spacing-md);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  text-align: center;
}

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

.card-content p {
  margin-bottom: var(--spacing-md);
  color: var(--medium);
  flex-grow: 1;
}

/* Webinars section */
.webinars {
  background-color: var(--light);
  position: relative;
}

.webinars__timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.webinars__timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 120px;
  height: 100%;
  width: 4px;
  background-color: var(--tertiary-color);
  z-index: 1;
}

.timeline-item {
  position: relative;
  padding-left: 150px;
  margin-bottom: var(--spacing-lg);
}

.timeline-date {
  position: absolute;
  left: 0;
  top: 0;
  width: 100px;
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--tertiary-color);
  color: var(--white);
  border-radius: var(--radius-sm);
  text-align: center;
  font-weight: 700;
  z-index: 2;
}

.timeline-content {
  background-color: var(--white);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.timeline-content h3 {
  color: var(--tertiary-color);
  margin-bottom: var(--spacing-sm);
}

.timeline-item:last-child {
  margin-bottom: 0;
}

/* Innovation section */
.innovation {
  background-color: var(--white);
  position: relative;
  overflow: hidden;
}

.innovation__content {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.innovation__text {
  flex: 1;
}

.innovation__image {
  flex: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.innovation__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.innovation__image:hover img {
  transform: scale(1.05);
}

/* Resources section */
.resources {
  background-color: var(--light);
  position: relative;
}

.resources__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.resource-card {
  background-color: var(--white);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium);
  text-align: center;
}

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

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

.resource-link {
  display: inline-block;
  margin-top: var(--spacing-sm);
  color: var(--secondary-color);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.resource-link:hover {
  color: var(--secondary-dark);
  text-decoration: underline;
}

/* Events section */
.events {
  background-color: var(--white);
  position: relative;
}

.events__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

/* About section */
.about {
  background-color: var(--light);
  position: relative;
}

.about__content {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.about__text {
  flex: 1;
}

.about__image {
  flex: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.about__image:hover img {
  transform: scale(1.05);
}

/* Contact section */
.contact {
  background-color: var(--white);
  position: relative;
}

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

.contact__info h3,
.contact__form h3 {
  margin-bottom: var(--spacing-md);
  color: var(--dark);
}

.contact__info p {
  margin-bottom: var(--spacing-sm);
}

.contact__map {
  margin-top: var(--spacing-md);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

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

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 2px solid #e0e0e0;
  border-radius: var(--radius-sm);
  font-family: var(--body-font);
  font-size: 1rem;
  transition: border var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

/* Footer styles */
.footer {
  background-color: var(--dark);
  color: var(--light);
  padding: var(--spacing-lg) 0 var(--spacing-sm);
}

.footer__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer h3 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
  font-size: 1.3rem;
}

.footer__info p {
  color: #aaa;
}

.footer__links ul,
.footer__legal ul,
.footer__social ul {
  list-style: none;
  padding: 0;
}

.footer__links li,
.footer__legal li,
.footer__social li {
  margin-bottom: var(--spacing-xs);
}

.footer__links a,
.footer__legal a,
.footer__social a {
  color: #aaa;
  transition: color var(--transition-fast);
}

.footer__links a:hover,
.footer__legal a:hover,
.footer__social a:hover {
  color: var(--white);
}

.footer__bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__bottom p {
  color: #777;
  font-size: 0.9rem;
}

/* Modal styles */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.7);
  animation: fadeIn var(--transition-medium);
}

.modal-content {
  background-color: var(--white);
  margin: 10% auto;
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  max-width: 700px;
  position: relative;
  box-shadow: var(--shadow-lg);
  animation: slideIn var(--transition-medium);
}

.close-modal {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 2rem;
  font-weight: bold;
  color: var(--medium);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.close-modal:hover {
  color: var(--dark);
}

.modal-details {
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid #eee;
}

.modal-description ul {
  margin-left: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

/* Cookie consent popup */
.cookie-popup {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(51, 51, 51, 0.95);
  color: var(--white);
  z-index: 9999;
  padding: var(--spacing-md);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
}

.cookie-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.cookie-content p {
  margin: 0;
  padding-right: var(--spacing-md);
}

.btn-cookie {
  background-color: var(--quaternary-color);
  color: var(--dark);
  border: none;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.btn-cookie:hover {
  background-color: var(--quaternary-dark);
}

/* Success page */
.success-page {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  background-color: var(--light);
}

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

.success-icon {
  font-size: 5rem;
  color: var(--secondary-color);
  margin-bottom: var(--spacing-md);
}

.success-title {
  margin-bottom: var(--spacing-md);
}

/* Static pages (privacy, terms) */
.page-content {
  padding-top: 120px;
  padding-bottom: var(--spacing-xl);
}

.page-content h1 {
  margin-bottom: var(--spacing-lg);
}

.page-content h2 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.page-content p {
  margin-bottom: var(--spacing-md);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideIn {
  from { transform: translateY(-50px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

/* Media queries */
@media (max-width: 992px) {
  .innovation__content,
  .about__content {
    flex-direction: column;
  }
  
  .innovation__image,
  .about__image {
    margin-top: var(--spacing-md);
    order: -1;
  }
  
  .contact__content {
    grid-template-columns: 1fr;
  }
  
  .timeline-item {
    padding-left: 100px;
  }
  
  .webinars__timeline::before {
    left: 70px;
  }
  
  .timeline-date {
    width: 80px;
    font-size: 0.9rem;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  .nav__list {
    display: none;
  }
  
  .nav__list.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-md);
    z-index: 1000;
  }
  
  .nav__list.active li {
    margin: var(--spacing-xs) 0;
  }
  
  .burger-menu {
    display: flex;
  }
  
  .burger-menu.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }
  
  .burger-menu.active span:nth-child(2) {
    opacity: 0;
  }
  
  .burger-menu.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }
  
  .hero__content {
    margin-left: 0;
    text-align: center;
    margin: 0 auto;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .cookie-content {
    flex-direction: column;
  }
  
  .cookie-content p {
    margin-bottom: var(--spacing-sm);
    padding-right: 0;
  }
}

@media (max-width: 576px) {
  .footer__content {
    grid-template-columns: 1fr;
  }
  
  .modal-content {
    margin: 20% auto;
    padding: var(--spacing-md);
  }
  
  .timeline-item {
    padding-left: 0;
    padding-top: 50px;
  }
  
  .timeline-date {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
  }
  
  .webinars__timeline::before {
    left: 50%;
    transform: translateX(-50%);
  }
}