/* Shared CSS for Header and Footer */

:root {
  --primary-bg-color: #0A192F;
  --accent-color: #FFD700;
  --text-color: #E0E0E0;
  --link-hover-color: #FFEB3B;
  --footer-text-color: #A0A0A0;
}

body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  color: var(--text-color);
  background-color: #1a2a44;
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: var(--accent-color);
}

a:hover {
  color: var(--link-hover-color);
}

/* Header Styles */
.site-header {
  background-color: var(--primary-bg-color);
  padding: 1rem 0;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1.5rem;
}

.logo {
  font-size: 2.2rem;
  font-weight: bold;
  color: var(--accent-color);
  text-transform: uppercase;
  letter-spacing: 1px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  transition: color 0.3s ease;
}

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

.main-nav .nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.5rem;
}

.main-nav .nav-link {
  color: var(--text-color);
  font-weight: 600;
  padding: 0.5rem 0;
  position: relative;
  transition: color 0.3s ease;
}

.main-nav .nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-color);
  transition: width 0.3s ease;
}

.main-nav .nav-link:hover::after,
.main-nav .nav-link.active::after {
  width: 100%;
}

.main-nav .nav-link:hover,
.main-nav .nav-link.active {
  color: var(--accent-color);
}

.hamburger-menu {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 24px;
  position: relative;
  z-index: 1100;
}

.hamburger-menu .bar {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--accent-color);
  margin: 5px 0;
  transition: all 0.3s ease-in-out;
}

.hamburger-menu.active .bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.hamburger-menu.active .bar:nth-child(2) {
  opacity: 0;
}
.hamburger-menu.active .bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Footer Styles */
.site-footer {
  background-color: var(--primary-bg-color);
  color: var(--footer-text-color);
  padding: 3rem 1.5rem 1.5rem;
  font-size: 0.9rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-section h3 {
  color: var(--accent-color);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.footer-section a {
  color: var(--footer-text-color);
  transition: color 0.3s ease;
}

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

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

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

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.footer-bottom p {
  margin: 0.5rem 0;
}

.back-to-top {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--accent-color);
  color: var(--primary-bg-color);
  border-radius: 50%;
  font-size: 1.5rem;
  line-height: 1;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.back-to-top:hover {
  background-color: var(--link-hover-color);
  color: var(--primary-bg-color);
}

/* Responsive Styles */
@media (max-width: 768px) {
  .header-container {
    padding: 0 1rem;
  }

  .logo {
    font-size: 1.8rem;
  }

  .hamburger-menu {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--primary-bg-color);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.3);
    display: none;
    flex-direction: column;
    padding: 1rem 0;
    z-index: 999;
  }

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

  .main-nav .nav-list {
    flex-direction: column;
    text-align: center;
    gap: 0;
  }

  .main-nav .nav-list li {
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .main-nav .nav-list li:last-child {
    border-bottom: none;
  }

  .main-nav .nav-link {
    display: block;
    padding: 1rem;
    font-size: 1.1rem;
  }

  .main-nav .nav-link::after {
    height: 1px;
    bottom: 0.5rem;
  }

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

  .footer-section h3 {
    margin-top: 1.5rem;
  }

  .footer-nav ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem 1rem;
  }

  .footer-nav li {
    margin-bottom: 0;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .logo {
    font-size: 1.5rem;
  }
}