/* CSS Variables */
:root {
  /* Tetrad color scheme */
  --primary-color: #3F88C5;       /* Blue */
  --secondary-color: #F49F0A;     /* Yellow/Orange */
  --tertiary-color: #D8315B;      /* Red/Pink */
  --quaternary-color: #44AF69;    /* Green */
  
  /* Dark and light variants */
  --primary-dark: #2C6295;
  --secondary-dark: #D48400;
  --tertiary-dark: #B52549;
  --quaternary-dark: #348654;
  
  --primary-light: #6AAAE0;
  --secondary-light: #FFBD4C;
  --tertiary-light: #F16385;
  --quaternary-light: #6CD48E;
  
  /* Neutrals */
  --white: #FFFFFF;
  --off-white: #F8F9FA;
  --light-gray: #E9ECEF;
  --gray: #6C757D;
  --dark-gray: #343A40;
  --black: #212529;
  
  /* Fonts */
  --heading-font: 'Poppins', sans-serif;
  --body-font: 'Work Sans', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;
  
  /* Border radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  
  /* 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);
  --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 0.2s ease-in-out;
  --transition-medium: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--heading-font);
  font-weight: 700;
  color: var(--black);
  margin-bottom: var(--spacing-md);
}

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);
}

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

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

/* Button Styles */
.button {
  border-radius: var(--border-radius-md);
  font-family: var(--heading-font);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all var(--transition-medium);
  box-shadow: var(--shadow-sm);
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.button:active {
  transform: translateY(1px);
}

.button.is-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.button.is-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
}

.button.is-secondary {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
  color: var(--white);
}

.button.is-secondary:hover {
  background-color: var(--secondary-dark);
  border-color: var(--secondary-dark);
}

.button.is-tertiary {
  background-color: var(--tertiary-color);
  border-color: var(--tertiary-color);
  color: var(--white);
}

.button.is-tertiary:hover {
  background-color: var(--tertiary-dark);
  border-color: var(--tertiary-dark);
}

.button.is-light.is-outlined {
  border-color: var(--white);
  color: var(--white);
}

.button.is-light.is-outlined:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.button.is-rounded {
  border-radius: 2rem;
}

/* Navbar Styles */
.navbar {
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-medium);
}

.navbar.is-fixed-top {
  padding: 0.5rem 0;
}

.navbar-brand img {
  max-height: 40px;
}

.navbar-item {
  font-family: var(--heading-font);
  font-weight: 500;
  color: var(--dark-gray);
  padding: var(--spacing-sm) var(--spacing-md);
  transition: all var(--transition-fast);
}

.navbar-item:hover {
  color: var(--primary-color);
  background-color: transparent;
}

.navbar-burger {
  color: var(--dark-gray);
}

/* Hero Section */
.hero {
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-body {
  display: flex;
  align-items: center;
  z-index: 2;
  padding: var(--spacing-xl) 0;
}

.hero .title, 
.hero .subtitle,
.hero p {
  color: var(--white);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero .buttons {
  margin-top: var(--spacing-lg);
}

.scroll-down {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
  z-index: 2;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0) translateX(-50%);
  }
  40% {
    transform: translateY(-20px) translateX(-50%);
  }
  60% {
    transform: translateY(-10px) translateX(-50%);
  }
}

/* About Section */
.image-container {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium);
}

.image-container:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

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

/* Gameplay Section with Timeline */
.timeline {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--primary-light);
  left: 50%;
  transform: translateX(-50%);
  border-radius: var(--border-radius-lg);
}

.timeline-item {
  padding: var(--spacing-md) 0;
  position: relative;
}

.timeline-marker {
  position: absolute;
  width: 16px;
  height: 16px;
  background-color: var(--primary-color);
  border-radius: 50%;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.timeline-item:hover .timeline-marker {
  background-color: var(--secondary-color);
  transform: translate(-50%, -50%) scale(1.2);
}

.timeline-content {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium);
}

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

/* Behind the Scenes Section */
.card {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-medium);
  height: 100%;
  display: flex;
  flex-direction: column;
}

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

.card-image {
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform var(--transition-medium);
  margin: 0 auto;
}

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

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

.card-content .title {
  margin-bottom: var(--spacing-sm);
}

/* Methodology Section */
.tabs {
  margin-bottom: var(--spacing-lg);
}

.tabs a {
  font-family: var(--heading-font);
  font-weight: 500;
  color: var(--gray);
  transition: all var(--transition-fast);
  border-bottom-width: 2px;
}

.tabs a:hover {
  color: var(--primary-color);
  border-bottom-color: var(--primary-light);
}

.tabs li.is-active a {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.tab-content {
  position: relative;
  min-height: 300px;
}

.tab-pane {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-medium), visibility var(--transition-medium);
  padding: var(--spacing-md);
  background: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.tab-pane.is-active {
  opacity: 1;
  visibility: visible;
  position: relative;
}

/* Innovation Section */
.innovation-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-medium);
}

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

/* Portfolio Section */
.portfolio-item {
  margin-bottom: var(--spacing-md);
}

/* Contact Section */
.contact-form {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background-color: var(--white);
}

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

.label {
  font-family: var(--heading-font);
  font-weight: 500;
  color: var(--dark-gray);
}

.input, .textarea, .select select {
  border-radius: var(--border-radius-md);
  border: 2px solid var(--light-gray);
  transition: all var(--transition-fast);
}

.input:focus, .textarea:focus, .select select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px var(--primary-light);
}

.checkbox {
  display: flex;
  align-items: center;
}

.checkbox input {
  margin-right: var(--spacing-xs);
}

.social-links a {
  display: inline-block;
  margin-right: var(--spacing-sm);
  color: var(--primary-color);
  transition: color var(--transition-fast);
}

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

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

.footer .title {
  color: var(--white);
  margin-bottom: var(--spacing-md);
}

.footer p {
  color: var(--light-gray);
}

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

.footer ul li {
  margin-bottom: var(--spacing-xs);
}

.footer a {
  color: var(--light-gray);
  transition: color var(--transition-fast);
}

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

.footer .social-links a {
  color: var(--light-gray);
  margin-bottom: var(--spacing-xs);
  display: inline-block;
}

.footer .social-links a:hover {
  color: var(--primary-light);
  transform: translateX(5px);
}

/* Responsive Design */
@media screen and (max-width: 768px) {
  .timeline::before {
    left: 40px;
  }
  
  .timeline-marker {
    left: 40px;
  }
  
  .timeline-content {
    margin-left: 60px;
    width: calc(100% - 60px);
  }
}

@media screen and (max-width: 1023px) {
  .navbar-menu {
    background-color: var(--white);
    box-shadow: var(--shadow-md);
  }
}

/* Privacy and Terms Pages */
.privacy-page, .terms-page {
  padding-top: 100px;
}

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

.success-content {
  text-align: center;
  padding: var(--spacing-xl);
  background-color: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

/* Animation */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn var(--transition-medium) forwards;
}

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

.animate-float {
  animation: float 3s ease-in-out infinite;
}

/* 3D Transform Effects */
.card-3d-effect {
  transition: transform var(--transition-medium);
  transform-style: preserve-3d;
}

.card-3d-effect:hover {
  transform: rotateY(5deg) rotateX(5deg);
}

/* Biomorphic Design Elements */
.biomorphic-shape {
  position: absolute;
  border-radius: 69% 31% 61% 39% / 36% 42% 58% 64%;
  background: linear-gradient(45deg, var(--primary-light), var(--primary-color));
  opacity: 0.1;
  z-index: -1;
}

.has-background-light {
  position: relative;
  overflow: hidden;
}

.has-background-light::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 80%;
  height: 200%;
  border-radius: 69% 31% 61% 39% / 36% 42% 58% 64%;
  background: linear-gradient(45deg, var(--primary-light) 0%, transparent 70%);
  opacity: 0.05;
  z-index: 0;
  animation: rotate 30s infinite linear;
}

.has-background-light::after {
  content: '';
  position: absolute;
  bottom: -50%;
  right: -20%;
  width: 80%;
  height: 200%;
  border-radius: 39% 61% 36% 64% / 64% 31% 69% 36%;
  background: linear-gradient(45deg, var(--quaternary-light) 0%, transparent 70%);
  opacity: 0.05;
  z-index: 0;
  animation: rotate-reverse 35s infinite linear;
}

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes rotate-reverse {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(-360deg);
  }
}

/* Read More Links */
.read-more {
  font-family: var(--heading-font);
  font-weight: 500;
  color: var(--primary-color);
  position: relative;
  display: inline-block;
  padding-bottom: 2px;
  transition: all var(--transition-fast);
}

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

.read-more:hover {
  color: var(--primary-dark);
}

.read-more:hover::after {
  width: 100%;
}

/* Resource Links Section */
.resource-links .card {
  margin-bottom: var(--spacing-md);
}

.resource-links ul {
  list-style: none;
  padding: 0;
}

.resource-links li {
  margin-bottom: var(--spacing-xs);
}

.resource-links a {
  display: block;
  padding: var(--spacing-xs) 0;
  color: var(--primary-color);
  transition: all var(--transition-fast);
}

.resource-links a:hover {
  color: var(--primary-dark);
  transform: translateX(5px);
}