/* Base Styles */
:root {
  --primary-color: #0A192F;
  --secondary-color: #FFD700;
  --text-color: #E0E0E0;
  --dark-text-color: #333;
  --light-bg: #F8F8F8;
  --dark-bg: #0A192F;
}

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

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--light-bg);
  padding-top: 100px; /* Adjust based on header height */
}

/* Site Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 60px;
  background-color: var(--primary-color);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  z-index: 1000;
  color: var(--text-color);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}

.header-top {
  display: flex;
  align-items: center;
  width: 100%; /* For mobile, take full width */
  justify-content: space-between;
}

.logo {
  font-size: 2em;
  font-weight: bold;
  color: var(--secondary-color);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 1px;
  flex-grow: 1; /* Allows logo to push other items */
  text-align: center; /* For mobile centering */
}

.header-placeholder {
  width: 40px; /* Balance hamburger on mobile */
  visibility: hidden;
}

/* Navigation */
.main-nav {
  flex-grow: 1;
  text-align: right;
}

.nav-list {
  list-style: none;
  display: flex;
  justify-content: flex-end;
  margin: 0;
  padding: 0;
}

.nav-list li {
  margin-left: 25px;
}

.nav-link {
  color: var(--text-color);
  text-decoration: none;
  font-weight: bold;
  padding: 5px 0;
  position: relative;
  transition: color 0.3s ease;
}

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

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

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

/* Buttons */
.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: bold;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  margin-left: 10px;
  white-space: nowrap;
}

.btn-register {
  background: linear-gradient(45deg, #FFD700, #FFA500);
  color: var(--primary-color);
  border: none;
  text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.btn-register:hover {
  background: linear-gradient(45deg, #FFA500, #FFD700);
  box-shadow: 0 6px 15px rgba(255, 215, 0, 0.4);
  transform: translateY(-2px);
}

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

.btn-login:hover {
  background-color: var(--secondary-color);
  color: var(--primary-color);
  box-shadow: 0 6px 15px rgba(255, 215, 0, 0.4);
  transform: translateY(-2px);
}

/* Hamburger Menu */
.hamburger-menu {
  display: none;
  width: 30px;
  height: 25px;
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
  padding: 0;
  z-index: 1001; /* Higher than buttons */
}

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

.hamburger-menu .icon-bar:last-child {
  margin-bottom: 0;
}

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

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

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

/* Mobile Specific Header Buttons */
.header-buttons-mobile {
  display: none; /* Hidden by default on desktop */
  width: 100%;
  justify-content: center;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid rgba(255, 215, 0, 0.2);
  z-index: 999; /* Lower than mobile nav */
  background-color: var(--primary-color);
}

/* Site Footer */
.site-footer {
  background-color: var(--primary-color);
  color: var(--text-color);
  padding: 40px 20px 20px;
  border-top: 1px solid rgba(255, 215, 0, 0.2);
  font-size: 0.9em;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  padding-bottom: 30px;
}

.footer-column h3 {
  color: var(--secondary-color);
  margin-bottom: 15px;
  font-size: 1.2em;
}

.footer-column p {
  margin-bottom: 10px;
}

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

.footer-column a:hover {
  color: var(--secondary-color);
}

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

.footer-nav li {
  margin-bottom: 8px;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 215, 0, 0.1);
  margin-top: 20px;
}

/* Responsive Design */
@media (max-width: 768px) {
  body {
    padding-top: 120px; /* Adjust for taller mobile header */
  }

  .header-container {
    flex-direction: column;
    padding: 5px 15px;
  }

  .header-top {
    justify-content: space-between;
    width: 100%;
    padding: 5px 0;
  }

  .logo {
    flex-grow: 1;
    text-align: center;
    font-size: 1.8em;
    margin: 0;
  }

  .hamburger-menu {
    display: block;
    order: -1; /* Place hamburger first */
    margin-right: auto; /* Push logo to center */
  }

  .header-placeholder {
    display: block;
    visibility: visible;
  }

  .main-nav {
    display: none; /* Hide desktop nav */
    position: absolute;
    top: 100%; /* Position below header-top */
    left: 0;
    width: 100%;
    background-color: var(--primary-color);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
    padding: 10px 0;
    z-index: 999; /* Below hamburger, above buttons */
    flex-basis: 100%;
    text-align: left;
    min-height: auto;
  }

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

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-list li {
    margin: 0;
    width: 100%;
    border-bottom: 1px solid rgba(255, 215, 0, 0.1);
  }

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

  .nav-link {
    display: block;
    padding: 12px 20px;
  }

  .header-buttons-desktop {
    display: none; /* Hide desktop buttons */
  }

  .header-buttons-mobile {
    display: flex;
    z-index: 998; /* Ensure buttons are below mobile nav */
    position: relative;
    width: 100%;
  }

  .header-buttons-mobile .btn {
    flex: 1;
    margin: 0 5px;
  }

  .site-header .header-container {
    padding-bottom: 0; /* Remove padding that might push buttons down */
  }

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

  .footer-column {
    margin-bottom: 20px;
  }

  .footer-nav ul {
    padding: 0;
  }

  .footer-nav li {
    display: inline-block;
    margin: 0 8px;
  }
}