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

:root {
  --primary-color: #008080; /* Teal */
  --secondary-color: #ffb347; /* Warm Yellow */
  --accent-color: #ff6b6b; /* Coral */
  --text-color: #2c3e50;
  --light-gray: #f9f9f9;
  --white: #ffffff;
  --teal-dark: #006666;
  --yellow-light: #ffd700;
  --coral-light: #ff8c8c;
}

body {
  font-family: "Raleway", sans-serif;
  line-height: 1.6;
  color: var(--text-color);
}

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

/* Header Styles */
.header {
  background-color: var(--white);
  box-shadow: 0 2px 15px rgba(0, 128, 128, 0.1);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.logo h1 {
  font-family: "Playfair Display", serif;
  font-size: 1.8rem;
  color: var(--primary-color);
  text-shadow: 1px 1px 0 var(--secondary-color);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--primary-color);
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: var(--accent-color);
}

.mobile-menu {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  height: 100vh;
  background: linear-gradient(rgba(0, 128, 128, 0.8), rgba(0, 128, 128, 0.8)),
    url("https://images.unsplash.com/photo-1507842217343-583bb7270b66?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80");
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  padding-top: 80px;
}

.hero-content {
  max-width: 800px;
  padding: 0 20px;
}

.hero-content h2 {
  font-family: "Playfair Display", serif;
  font-size: 3.5rem;
  margin-bottom: 1rem;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

.cta-button {
  display: inline-block;
  padding: 1rem 2rem;
  background-color: var(--accent-color);
  color: var(--white);
  text-decoration: none;
  border-radius: 5px;
  transition: background-color 0.3s ease;
  border: 2px solid var(--accent-color);
}

.cta-button:hover {
  background-color: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

/* About Section */
.about {
  padding: 5rem 0;
  background-color: var(--white);
}

.about h2 {
  text-align: center;
  font-family: "Playfair Display", serif;
  font-size: 2.5rem;
  margin-bottom: 3rem;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item {
  padding: 2rem;
  background: var(--light-gray);
  border-radius: 10px;
  border-bottom: 4px solid var(--primary-color);
}

.stat-item h3 {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

/* Publications Section */
.publications {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
}

.publications h2 {
  text-align: center;
  font-family: "Playfair Display", serif;
  font-size: 2.5rem;
  margin-bottom: 3rem;
}

.publication-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.publication-card {
  background: var(--white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
  border: 1px solid rgba(0, 128, 128, 0.1);
}

.publication-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 128, 128, 0.1);
}

.book-cover {
  height: 300px;
  background: linear-gradient(
    45deg,
    var(--primary-color),
    var(--secondary-color)
  );
  background-size: cover;
  background-position: center;
}

.publication-card h3 {
  padding: 1rem;
  font-family: "Playfair Display", serif;
}

.publication-card p {
  padding: 0 1rem 1rem;
  color: #666;
}

/* Services Section */
.services {
  padding: 5rem 0;
  background-color: var(--white);
}

.services h2 {
  text-align: center;
  font-family: "Playfair Display", serif;
  font-size: 2.5rem;
  margin-bottom: 3rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.service-card {
  text-align: center;
  padding: 2rem;
  background: var(--white);
  border-radius: 10px;
  transition: transform 0.3s ease;
  border: 1px solid rgba(0, 128, 128, 0.1);
  box-shadow: 0 5px 15px rgba(0, 128, 128, 0.05);
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-color);
}

.service-card i {
  font-size: 2.5rem;
  color: var(--primary-color);
  background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
  padding: 1rem;
  border-radius: 50%;
  margin-bottom: 1.5rem;
}

.service-card h3 {
  margin-bottom: 1rem;
  font-family: "Playfair Display", serif;
}

/* Contact Section */
.contact {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
}

.contact h2 {
  text-align: center;
  font-family: "Playfair Display", serif;
  font-size: 2.5rem;
  margin-bottom: 3rem;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem;
  border: 2px solid #eee;
  border-radius: 5px;
  font-family: "Raleway", sans-serif;
  transition: border-color 0.3s ease;
}

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

.submit-button {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 1rem 2rem;
  border: 2px solid var(--primary-color);
  border-radius: 5px;
  cursor: pointer;
  font-size: 1rem;
  transition: background-color 0.3s ease;
}

.submit-button:hover {
  background-color: var(--teal-dark);
  border-color: var(--teal-dark);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.info-item i {
  font-size: 1.5rem;
  color: var(--primary-color);
  background: var(--light-gray);
  padding: 1rem;
  border-radius: 50%;
}

.form-message {
  margin-top: 2rem;
  padding: 1rem;
  background-color: var(--primary-color);
  color: var(--white);
  border-radius: 5px;
  text-align: center;
  opacity: 0;
  transform: translateY(-10px);
  transition: all 0.3s ease;
}

.form-message.show {
  opacity: 1;
  transform: translateY(0);
}

/* Footer */
.footer {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--teal-dark) 100%
  );
  color: var(--white);
  padding: 4rem 0 2rem;
}

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

.footer-section h3 {
  font-family: "Playfair Display", serif;
  margin-bottom: 1rem;
}

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

.footer-section ul li {
  margin-bottom: 0.5rem;
}

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

.footer-section a:hover {
  color: var(--accent-color);
}

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

.social-links a {
  color: var(--white);
  font-size: 1.5rem;
  transition: color 0.3s ease;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.8rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
}

.social-links a:hover {
  color: var(--white);
  background: var(--accent-color);
  transform: translateY(-3px);
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 1rem;
    box-shadow: 0 2px 10px rgba(0, 128, 128, 0.1);
    text-align: center;
  }

  .nav-links a {
    padding: 1rem;
    display: block;
  }

  .nav-links a:hover {
    background: var(--light-gray);
  }

  .mobile-menu {
    display: block;
  }

  .hero-content h2 {
    font-size: 2.5rem;
  }

  .about-content,
  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .social-links {
    justify-content: center;
  }
}

/* Additional Enhancements */
.section-title {
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--accent-color);
}