:root {
  --color-primary-blue: #0A2540;
  --color-white: #FFFFFF;
  --color-metallic: #C0C0C0;
  --color-black: #121212;
  --color-glacier: #A5D8FF;
}

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

body {
  font-family: 'Inter', sans-serif;
  color: var(--color-primary-blue);
  line-height: 1.6;
  background: linear-gradient(-45deg, #0A2540, #A5D8FF, #C0C0C0, #0A2540);
  background-size: 400% 400%;
  animation: gradient 15s ease infinite;
}

@keyframes gradient {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

h1, h2, h3, h4 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 200;
}

nav {
  position: fixed;
  width: 100%;
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
}

.logo {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.5rem;
  font-weight: 200;
}

.nav-links a {
  margin-left: 2rem;
  text-decoration: none;
  color: var(--color-primary-blue);
  transition: color 0.3s ease;
}

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

.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
  background: var(--color-primary-blue);
  color: var(--color-white);
}

.hero h1 {
  font-size: 3rem;
  max-width: 800px;
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.25rem;
  max-width: 600px;
}

section {
  padding: 5rem 2rem;
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.portfolio-item {
  background: var(--color-white);
  border: 1px solid var(--color-metallic);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 300px;
  display: flex;
  align-items: flex-end;
  position: relative;
}

.portfolio-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, rgba(10, 37, 64, 0), rgba(10, 37, 64, 0.8));
  z-index: 1;
}

.portfolio-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(10, 37, 64, 0.1);
}

.portfolio-content {
  padding: 2rem;
  color: var(--color-white);
  position: relative;
  z-index: 2;
  width: 100%;
}

.portfolio-content h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.innovation-showcase {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: 4rem 0;
}

.innovation-showcase h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--color-primary-blue);
}

section {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

section.visible {
  opacity: 1;
  transform: translateY(0);
}

.innovation-showcase {
  max-width: 800px;
  margin: 0 auto;
}

footer {
  background: var(--color-primary-blue);
  color: var(--color-white);
  padding: 4rem 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}

.contact-form input,
.contact-form textarea {
  padding: 0.8rem;
  border: 1px solid var(--color-metallic);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

.contact-form button {
  padding: 0.8rem;
  background: var(--color-glacier);
  color: var(--color-primary-blue);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.contact-form button:hover {
  background: var(--color-white);
}

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

.social-link {
  color: var(--color-white);
  text-decoration: none;
  transition: color 0.3s ease;
}

.social-link:hover {
  color: var(--color-glacier);
}

/* Contact Page Styles */
.contact-page {
  padding-top: 80px;
}

.contact-hero {
  background: var(--color-primary-blue);
  color: var(--color-white);
  padding: 4rem 2rem;
  text-align: center;
}

.contact-hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.contact-grid {
  max-width: 1200px;
  margin: 4rem auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
}

.contact-info {
  display: grid;
  gap: 2rem;
}

.info-card {
  background: var(--color-white);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.info-card h3 {
  color: var(--color-primary-blue);
  margin-bottom: 1rem;
}

.contact-form-full {
  background: var(--color-white);
  padding: 3rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--color-metallic);
  border-radius: 4px;
  font-size: 1rem;
}

.form-group textarea {
  height: 150px;
  resize: vertical;
}

.contact-form-full button {
  width: 100%;
  padding: 1rem;
  background: var(--color-glacier);
  color: var(--color-primary-blue);
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.3s;
}

.contact-form-full button:hover {
  background: var(--color-primary-blue);
  color: var(--color-white);
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-hero h1 {
    font-size: 2rem;
  }
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.news-item {
  background: var(--color-white);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.news-item .date {
  color: var(--color-metallic);
  font-size: 0.9rem;
}

#scrollTopBtn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--color-glacier);
  color: var(--color-primary-blue);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: none;
  font-size: 20px;
  transition: background 0.3s;
}

#scrollTopBtn:hover {
  background: var(--color-white);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-primary-blue);
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    padding: 1rem;
    flex-direction: column;
    align-items: center;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a {
    margin: 0.5rem 0;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
}