/* Colors */
:root {
  --primary-color: #FFD700; /* Gold */
  --secondary-color: #8B0000; /* Dark Red */
  --text-dark: #333;
  --text-light: #fff;
  --shadow-color: rgba(0, 0, 0, 0.2);
}

/* Base styles */
body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  padding-top: 110px; /* Default for mobile (header-top + mobile-buttons-area) */
}

/* Global container for content centering and padding */
.header-container, .nav-container, .footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

/* Site Header - Fixed and Floating */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 5px var(--shadow-color);
  min-height: auto; /* Allow content to define height */
}

/* Header Top Area - Desktop */
.header-top {
  background-color: var(--secondary-color); /* Dark Red */
  color: var(--text-light);
  padding: 10px 0;
}

.header-top .header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--primary-color);
  text-decoration: none;
  padding: 5px 0;
  display: block; /* Ensure logo is always visible */
}

.desktop-nav-buttons {
  display: flex;
  gap: 12px;
  align-items: center;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  text-align: center;
}

.btn-register {
  background-color: var(--primary-color);
  color: var(--secondary-color);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

.btn-register:hover {
  background-color: #FFC107; /* Slightly darker gold */
  transform: translateY(-2px);
}

.btn-login {
  background-color: var(--secondary-color);
  color: var(--text-light);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--primary-color);
}

.btn-login:hover {
  background-color: #A52A2A; /* Slightly darker red */
  transform: translateY(-2px);
}

.btn-download {
  background-color: #FFA500; /* Orange */
  color: var(--text-light);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

.btn-download:hover {
  background-color: #E69500; /* Slightly darker orange */
  transform: translateY(-2px);
}

/* Main Navigation Area - Desktop */
.main-nav {
  background-color: var(--primary-color); /* Gold */
  padding: 10px 0;
  display: flex; /* Desktop default: visible, horizontal */
  flex-direction: row;
  justify-content: center;
  align-items: center;
}

.main-nav .nav-container {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 25px; /* Spacing between nav links */
}

.main-nav .nav-link {
  color: var(--secondary-color);
  text-decoration: none;
  font-weight: bold;
  padding: 8px 12px;
  transition: color 0.3s ease, background-color 0.3s ease;
  white-space: nowrap;
  border-radius: 5px;
}

.main-nav .nav-link:hover {
  color: var(--primary-color);
  background-color: var(--secondary-color);
}

/* Hamburger menu - Hidden on desktop */
.hamburger-menu {
  display: none; 
}

/* Mobile buttons area - Hidden on desktop */
.mobile-buttons-area {
  display: none;
}

/* Footer */
.site-footer {
  background-color: var(--secondary-color);
  color: var(--text-light);
  padding: 40px 0 20px;
  font-size: 14px;
}

.site-footer .footer-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 30px;
}

.footer-col {
  flex: 1;
  min-width: 250px;
}

.footer-col h3 {
  color: var(--primary-color);
  font-size: 18px;
  margin-bottom: 15px;
  border-bottom: 2px solid var(--primary-color);
  padding-bottom: 5px;
}

.footer-col p, .footer-col ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.footer-col a:hover {
  color: var(--primary-color);
}

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

.footer-bottom {
  text-align: center;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

/* Media Queries for Mobile */
@media (max-width: 768px) {
  body {
    padding-top: 110px; /* Adjust for mobile fixed header height */
  }

  .header-container, .nav-container, .footer-container {
    width: 100%;
    max-width: none;
    padding: 0 15px; /* Smaller padding for mobile */
  }

  /* Header Top Area - Mobile */
  .header-top .header-container {
    justify-content: space-between;
    padding: 10px 15px;
    position: relative; /* For logo centering */
  }

  .hamburger-menu {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    cursor: pointer;
    z-index: 1001;
    padding: 5px;
  }

  .hamburger-menu span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
  }

  .hamburger-menu.active span:nth-child(1) {
    transform: translateY(11px) rotate(45deg);
  }

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

  .hamburger-menu.active span:nth-child(3) {
    transform: translateY(-11px) rotate(-45deg);
  }

  .logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: 24px;
    z-index: 1000;
  }

  .desktop-nav-buttons {
    display: none;
  }

  /* Mobile Buttons Area */
  .mobile-buttons-area {
    display: block;
    background-color: #A52A2A; /* Darker shade for distinction */
    padding: 8px 0;
    box-shadow: 0 2px 3px rgba(0, 0, 0, 0.1);
  }

  .mobile-buttons-area .header-container {
    display: flex;
    justify-content: center;
    gap: 10px;
  }

  .mobile-buttons-area .btn {
    padding: 8px 15px;
    font-size: 14px;
  }

  /* Main Navigation - Mobile */
  .main-nav {
    display: none; /* Hidden by default on mobile */
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    width: 75%; /* Slide-in menu width */
    height: 100vh;
    background-color: var(--secondary-color); /* Dark Red for mobile menu */
    box-shadow: 2px 0 5px var(--shadow-color);
    transform: translateX(-100%); /* Start off-screen */
    transition: transform 0.3s ease-in-out;
    padding-top: 120px; /* Space for fixed header content */
    align-items: flex-start;
  }

  .main-nav.active {
    display: flex; /* Make visible when active */
    transform: translateX(0); /* Slide into view */
  }

  .main-nav .nav-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
    padding: 20px 15px;
    width: 100%;
  }

  .main-nav .nav-link {
    width: 100%;
    color: var(--primary-color);
    padding: 12px 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .main-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
  }

  /* Mobile Menu Overlay */
  .mobile-menu-overlay {
    display: none; /* Hidden by default */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
  }

  .mobile-menu-overlay.active {
    display: block; /* Make visible when active */
    opacity: 1;
  }

  /* Footer - Mobile */
  .site-footer .footer-container {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-col {
    min-width: unset;
    width: 100%;
  }

  .footer-nav ul {
    padding-left: 0;
  }
}

/* Desktop specific padding for body to clear fixed header */
@media (min-width: 769px) {
  body {
    padding-top: 100px; /* Desktop (header-top height ~60px + main-nav height ~40px) */
  }
}