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

body {
  padding: 0;
  margin: 0;
}


:root {
  --nav-height: 100px;
  --nav-bg: #ffffff;
  --nav-bg-scrolled: #ffffff;
  --nav-shadow: 0 2px 10px rgba(255, 255, 255, 0.1);
  --nav-text: #ff0000;
  --nav-text-hover: #4a6cf7;
  --nav-transition: all 0.3s ease;
  --nav-logo-size: 1.5rem;
  --nav-active-indicator: 2px solid #4a6cf7;
}

/* Dark mode variables */
@media (prefers-color-scheme: dark) {
  :root {
    --nav-bg: #ffffff;
    --nav-bg-scrolled: #ffffff;
    --nav-shadow: 0 2px 10px rgba(255, 255, 255, 0.3);
    --nav-text: #ff0000;
    --nav-text-hover: #6c8fff;
    --nav-active-indicator: 2px solid #6c8fff;
  }
}

.sticky-nav {
  position: sticky;
  top: 0;
  width: 100%;
  height: var(--nav-height);
  background-color: var(--nav-bg);
  transition: var(--nav-transition);
  z-index: 1000;
}

.sticky-nav.scrolled {
  background-color: var(--nav-bg-scrolled);
  box-shadow: var(--nav-shadow);
}

.sticky-nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sticky-nav-logo {
  display: flex;
  align-items: center;
  font-size: var(--nav-logo-size);
  font-weight: 700;
  color: var(--nav-text);
}

.sticky-nav-logo i {
  margin-right: 0.5rem;
  color: var(--nav-text-hover);
}

.sticky-nav-menu ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.sticky-nav-menu li {
  margin: 0 1rem;
}

.sticky-nav-menu a {
  display: block;
  padding: 0.5rem 0;
  color: var(--nav-text);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: var(--nav-transition);
}

.sticky-nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--nav-text-hover);
  transition: var(--nav-transition);
}

.sticky-nav-menu a:hover {
  color: var(--nav-text-hover);
}

.sticky-nav-menu a:hover::after,
.sticky-nav-menu a.active::after {
  width: 100%;
}

.sticky-nav-menu a.active {
  color: var(--nav-text-hover);
}

.sticky-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--nav-text);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--nav-transition);
}

.sticky-nav-toggle:hover {
  color: var(--nav-text-hover);
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .sticky-nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background-color: var(--nav-bg-scrolled);
    box-shadow: var(--nav-shadow);
    padding: 1rem 0;
    clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
    transition: var(--nav-transition);
  }
  
  .sticky-nav-menu.mobile-active {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  }
  
  .sticky-nav-menu ul {
    flex-direction: column;
    align-items: center;
  }
  
  .sticky-nav-menu li {
    margin: 0.5rem 0;
    width: 100%;
    text-align: center;
  }
  
  .sticky-nav-menu a {
    padding: 0.75rem 0;
  }
  
  .sticky-nav-toggle {
    display: block;
  }
}