/* style.css */

:root {
  /* Color palette - Analogous color scheme */
  --primary-color: #4F46E5; /* Indigo 600 */
  --primary-dark: #3730A3; /* Indigo 800 */
  --primary-light: #818CF8; /* Indigo 400 */
  --secondary-color: #8B5CF6; /* Violet 500 */
  --secondary-dark: #6D28D9; /* Violet 700 */
  --secondary-light: #A78BFA; /* Violet 400 */
  --accent-color: #EC4899; /* Pink 500 */
  --accent-dark: #BE185D; /* Pink 700 */
  --accent-light: #F472B6; /* Pink 400 */
  
  /* Neutral colors */
  --text-dark: #1F2937; /* Gray 800 */
  --text-medium: #4B5563; /* Gray 600 */
  --text-light: #9CA3AF; /* Gray 400 */
  --background-light: #F9FAFB; /* Gray 50 */
  --background-white: #FFFFFF;
  --border-color: #E5E7EB; /* Gray 200 */
  
  /* Shadow variables for neumorphism */
  --shadow-small: 0.3rem 0.3rem 0.6rem rgba(0, 0, 0, 0.1), -0.2rem -0.2rem 0.5rem rgba(255, 255, 255, 0.8);
  --shadow-medium: 0.5rem 0.5rem 1rem rgba(0, 0, 0, 0.1), -0.3rem -0.3rem 0.8rem rgba(255, 255, 255, 0.8);
  --shadow-large: 0.8rem 0.8rem 1.4rem rgba(0, 0, 0, 0.1), -0.4rem -0.4rem 1rem rgba(255, 255, 255, 0.8);
  --shadow-inset: inset 0.2rem 0.2rem 0.5rem rgba(0, 0, 0, 0.1), inset -0.2rem -0.2rem 0.5rem rgba(255, 255, 255, 0.8);
  
  /* Typography */
  --font-heading: 'Raleway', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  
  /* Transitions */
  --transition-fast: 0.2s ease-in-out;
  --transition-medium: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
  
  /* Border radius */
  --radius-small: 0.25rem;
  --radius-medium: 0.5rem;
  --radius-large: 1rem;
  --radius-xl: 1.5rem;
  --radius-rounded: 50%;
}

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

html {
  scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  margin-bottom: 1.5rem;
}

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;
  border-radius: var(--radius-medium);
}

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

.mb-1 {
  margin-bottom: 0.5rem;
}

.mb-2 {
  margin-bottom: 1rem;
}

.mb-3 {
  margin-bottom: 1.5rem;
}

.mb-4 {
  margin-bottom: 2rem;
}

.mb-5 {
  margin-bottom: 2.5rem;
}

.mt-1 {
  margin-top: 0.5rem;
}

.mt-2 {
  margin-top: 1rem;
}

.mt-3 {
  margin-top: 1.5rem;
}

.mt-4 {
  margin-top: 2rem;
}

.mt-5 {
  margin-top: 2.5rem;
}

/* Button Styles */
.btn,
button,
input[type='submit'] {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-medium);
  cursor: pointer;
  transition: all var(--transition-medium);
  text-align: center;
  border: none;
  background-color: var(--primary-color);
  color: white;
  box-shadow: var(--shadow-small);
}

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

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

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

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

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

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

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
}

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

/* Read More Links */
.read-more {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  color: var(--primary-color);
  transition: all var(--transition-fast);
}

.read-more:after {
  content: "→";
  margin-left: 0.5rem;
  transition: transform var(--transition-fast);
}

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

.read-more:hover:after {
  transform: translateX(4px);
}

/* Form Styles */
input,
textarea,
select {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-medium);
  border: 1px solid var(--border-color);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-inset);
  background-color: var(--background-white);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

/* Card Styles */
.card {
  background-color: var(--background-white);
  border-radius: var(--radius-large);
  overflow: hidden;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  box-shadow: var(--shadow-medium);
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

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

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

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

.card-content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* Header Styles */
header {
  background-color: var(--background-white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all var(--transition-medium);
}

header.scrolled {
  padding: 0.5rem 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.75rem;
  color: var(--primary-color);
}

nav ul {
  display: flex;
  list-style: none;
}

nav ul li {
  margin-left: 2rem;
}

nav ul li a {
  color: var(--text-dark);
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

nav ul li a:after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width var(--transition-medium);
}

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

nav ul li a:hover:after {
  width: 100%;
}

/* Mobile menu */
#burger-menu,
#close-menu {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--primary-color);
}

#mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--background-white);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: transform var(--transition-medium), opacity var(--transition-medium);
  transform: translateY(-100%);
  opacity: 0;
}

#mobile-menu.active {
  transform: translateY(0);
  opacity: 1;
}

#mobile-menu ul {
  list-style: none;
  text-align: center;
}

#mobile-menu ul li {
  margin-bottom: 1.5rem;
}

#mobile-menu ul li a {
  font-size: 1.25rem;
  font-weight: 600;
}

/* Hero Section */
#hero {
  position: relative;
  padding: 8rem 0 5rem;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: white;
  text-align: left;
}

#hero:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6));
  z-index: 1;
}

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

#hero h1 {
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

#hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  max-width: 600px;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* Vision Section */
#vision {
  padding: 5rem 0;
}

#vision .container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

#vision h2 {
  text-align: center;
  margin-bottom: 3rem;
}

/* Statistics Section */
#statistics {
  padding: 5rem 0;
  color: white;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

#statistics h2 {
  text-align: center;
  margin-bottom: 3rem;
}

#statistics .statistic-card {
  background-color: var(--background-white);
  border-radius: var(--radius-large);
  padding: 2rem;
  text-align: center;
  transition: transform var(--transition-medium);
  box-shadow: var(--shadow-medium);
}

#statistics .statistic-card:hover {
  transform: translateY(-10px);
}

#statistics .statistic-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  font-family: var(--font-heading);
}

/* Research Section */
#research {
  padding: 5rem 0;
  background-color: var(--background-white);
}

#research h2 {
  text-align: center;
  margin-bottom: 3rem;
}

/* Projects Section */
#projects {
  padding: 5rem 0;
  background-color: var(--background-light);
}

#projects h2 {
  text-align: center;
  margin-bottom: 3rem;
}

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

#resources h2 {
  text-align: center;
  margin-bottom: 3rem;
}

#resources .resource-card {
  display: block;
  padding: 2rem;
  border-radius: var(--radius-large);
  background-color: var(--background-white);
  transition: all var(--transition-medium);
  border: 2px solid var(--border-color);
  box-shadow: var(--shadow-small);
}

#resources .resource-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

/* Success Stories Section */
#success-stories {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
  color: white;
}

#success-stories h2 {
  text-align: center;
  margin-bottom: 3rem;
}

#success-stories .card {
  background-color: var(--background-white);
  color: var(--text-dark);
}

/* Case Studies Section */
#case-studies {
  padding: 5rem 0;
  background-color: var(--background-white);
}

#case-studies h2 {
  text-align: center;
  margin-bottom: 3rem;
}

/* Media Section */
#media {
  padding: 5rem 0;
  background-color: var(--background-light);
}

#media h2 {
  text-align: center;
  margin-bottom: 3rem;
}

#media .media-card {
  height: 100%;
}

#media .media-image {
  height: 200px;
  overflow: hidden;
}

#media .media-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Sustainability Section */
#sustainability {
  padding: 5rem 0;
  background-color: var(--background-white);
}

#sustainability h2 {
  text-align: center;
  margin-bottom: 3rem;
}

/* Contact Section */
#contact {
  padding: 5rem 0;
  background-color: var(--background-light);
}

#contact h2 {
  text-align: center;
  margin-bottom: 3rem;
}

#contact .contact-info {
  background-color: var(--background-white);
  border-radius: var(--radius-large);
  padding: 2rem;
  box-shadow: var(--shadow-medium);
}

#contact .contact-form {
  background-color: var(--background-white);
  border-radius: var(--radius-large);
  padding: 2rem;
  box-shadow: var(--shadow-medium);
}

#contact .contact-info-item {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}

#contact .contact-info-item svg {
  margin-right: 1rem;
  color: var(--primary-color);
}

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

footer h3 {
  margin-bottom: 1.5rem;
  color: white;
}

footer ul {
  list-style: none;
}

footer ul li {
  margin-bottom: 0.75rem;
}

footer a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

footer a:hover {
  color: white;
}

footer .social-links {
  display: flex;
  gap: 1rem;
}

footer .social-links a {
  display: inline-block;
  padding: 0.5rem;
  border-radius: var(--radius-medium);
  transition: all var(--transition-fast);
  text-decoration: none;
  font-weight: 500;
}

footer .social-links a:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-3px);
}

footer .footer-bottom {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

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

.success-page .success-icon {
  font-size: 5rem;
  color: var(--primary-color);
  margin-bottom: 2rem;
}

.success-page h1 {
  margin-bottom: 1.5rem;
}

.success-page p {
  max-width: 600px;
  margin-bottom: 2rem;
}

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

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

@keyframes slideIn {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(0);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

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

.animate-slide-in {
  animation: slideIn var(--transition-medium) forwards;
}

.animate-pulse {
  animation: pulse 2s infinite;
}

/* Media Queries */
@media (max-width: 768px) {
  nav ul {
    display: none;
  }
  
  #burger-menu {
    display: block;
  }
  
  #close-menu {
    display: block;
    position: absolute;
    top: 2rem;
    right: 2rem;
  }
  
  .container {
    padding: 0 1rem;
  }
  
  #hero {
    text-align: center;
  }
  
  #hero p {
    margin-left: auto;
    margin-right: auto;
  }
  
  .card {
    margin-bottom: 2rem;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .container {
    padding: 0 2rem;
  }
}

@media (min-width: 1025px) {
  .container {
    max-width: 1200px;
    margin: 0 auto;
  }
}