/* Import ABeeZee font */
@import url("https://fonts.googleapis.com/css2?family=ABeeZee:ital@0;1&display=swap");

/* Reset and Variables */
:root {
  --primary-color: #6b9bd1;
  --primary-dark: #5a8bc0;
  --primary-light: #7cada5;
  --secondary-color: #4a90e2;
  --accent-color: #00d4ff;
  --text-primary: #1a1a1a;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
}

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

body {
  font-family: "ABeeZee", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

/* Global text alignment for justified text */
p,
.text-content,
.description,
.card-description,
.about-text p,
.collaboration-content p,
.content-text,
.section-description,
.feature-description,
.principle-item span,
.involvement-info p,
.support-info p,
.solutions-subtitle,
.solution-subtitle,
.hero-subtitle-minimal,
.timeline-content p,
.member-bio {
  text-align: left;
  text-justify: inter-word;
}

/* p,
.text-content {
  text-align: center;
} */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header styles moved to header.css */

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.05;
}

.geometric-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%236B9BD1" stroke-width="0.5"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
  animation: float 20s ease-in-out infinite;
}

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

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  animation: fadeInUp 1s ease-out;
}

.hero-badge {
  display: inline-block;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-xl);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  letter-spacing: 0.025em;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  letter-spacing: -0.025em;
}

.gradient-text {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  /* color: black !important; */
  -webkit-background-clip: text;
  /* -webkit-text-fill-color: transparent; */
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
  max-width: 90%;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

.btn-icon {
  width: 20px;
  height: 20px;
  transition: transform 0.3s ease;
}

.btn:hover .btn-icon {
  transform: translateX(4px);
}

/* Hero Visual */
.hero-visual {
  animation: fadeInUp 1s ease-out 0.3s both;
}

.tech-showcase {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.tech-item {
  background: white;
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.tech-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--primary-color),
    var(--secondary-color)
  );
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.tech-item:hover::before {
  transform: scaleX(1);
}

.tech-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.tech-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.tech-item h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.tech-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Section Styles */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1rem;
  letter-spacing: -0.025em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Highlights Section */
.highlights {
  padding: 6rem 0;
  background: var(--bg-secondary);
}

.highlights-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
}

.highlight-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.highlight-card.featured {
  grid-row: span 2;
}

.highlight-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.card-badge {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.card-date {
  color: var(--text-light);
  font-size: 0.875rem;
  font-weight: 500;
}

.card-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
  line-height: 1.4;
}

.card-content p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: 500;
}

/* Research Areas */
.research-areas {
  padding: 6rem 0;
  background: white;
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.research-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.research-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--primary-color),
    var(--secondary-color)
  );
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.research-card:hover::before {
  transform: scaleX(1);
}

.research-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.research-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.5rem;
  color: var(--primary-color);
}

.research-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.research-card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.research-highlights {
  list-style: none;
  text-align: left;
}

.research-highlights li {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  position: relative;
  padding-left: 1.5rem;
}

.research-highlights li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75rem;
  width: 6px;
  height: 6px;
  background: var(--primary-color);
  border-radius: 50%;
}

/* CTA Section */
.cta-section {
  padding: 6rem 0;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  text-align: center;
}

.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.025em;
}

.cta-content p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

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

.cta-section .btn-primary:hover {
  background: var(--bg-secondary);
}

.cta-section .btn-secondary {
  background: transparent;
  color: white;
  border-color: white;
}

.cta-section .btn-secondary:hover {
  background: white;
  color: white;
}

/* Footer */
.footer {
  background: rgba(57, 82, 124, 255);
  color: white;
  padding: 3rem 0 1rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  padding: 1rem 0;
  margin-bottom: 0.5rem;
}

.footer-logo-img {
  width: 120px; /* Increased from 60px */
  height: auto;
  object-fit: contain;
  filter: brightness(0) invert(1); /* Makes the logo white */
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 2fr; /* Increased left column width */
  gap: 3rem;
  align-items: start;
}

.footer-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-description {
  color: #ffffff;
  font-size: 0.95rem;
  line-height: 1.6;
  opacity: 0.9;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-column h4 {
  color: white;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.footer-column ul {
  list-style: none;
}

.footer-column li {
  margin-bottom: 1.1rem;
}

.footer-column a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s ease;
  font-size: 0.9rem;
}

.footer-column a:hover {
  color: white;
}

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

.footer-bottom p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: white;
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow-lg);
    padding: 2rem 0;
    gap: 1rem;
  }

  .nav-menu.active {
    left: 0;
  }

  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: left;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    max-width: 100%;
  }

  .highlights-grid {
    grid-template-columns: 1fr;
  }

  .research-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-links {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .cta-content h2 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 100px 0 60px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.125rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .btn {
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
  }

  .tech-showcase {
    gap: 1rem;
  }

  .tech-item {
    padding: 1.5rem;
  }

  .highlight-card {
    padding: 1.5rem;
  }

  .research-card {
    padding: 2rem;
  }

  .research-grid {
    grid-template-columns: 1fr;
  }
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}