/* Navigation Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.header.scrolled {
    background: var(--white);
    box-shadow: var(--shadow);
}

.navbar {
    padding: 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-logo-icon {
    margin-right: 0.5rem;
    color: var(--accent-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 2rem;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 0;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

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

.nav-link i {
    font-size: 0.8rem;
    transition: var(--transition);
}

/* Dropdown Styles */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 200px;
    box-shadow: var(--shadow-hover);
    border-radius: var(--border-radius);
    padding: 0.5rem 0;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1001;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown:hover .nav-link i {
    transform: rotate(180deg);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 400;
}

.dropdown-menu a:hover {
    background-color: var(--bg-light);
    color: var(--accent-color);
}

/* Mobile Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 3px 0;
    transition: var(--transition);
}

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

.hamburger.active .bar:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.hamburger.active .bar:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Mobile Styles */
@media screen and (max-width: 768px) {
    .nav-container {
        padding: 1rem;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow);
        padding: 2rem 0;
        gap: 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-item {
        width: 100%;
        margin: 0.5rem 0;
    }
    
    .nav-link {
        justify-content: center;
        padding: 1rem;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--bg-light);
        margin-top: 0.5rem;
    }
    
    .dropdown:hover .nav-link i {
        transform: none;
    }
    
    .btn-login {
        margin-top: 1rem;
    }
}

/* Scroll Indicator */
.scroll-indicator {
    position: fixed;
    top: 80px;
    left: 0;
    height: 3px;
    background: var(--accent-color);
    z-index: 1000;
    transition: width 0.3s ease;
}

/* Active Nav Link */
.nav-link.active {
    color: var(--accent-color);
    position: relative;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-color);
}

/* Ajuste complementario del menú móvil ASEF */
body.no-scroll {
  overflow: hidden;
}

@media screen and (max-width: 768px) {
  .dropdown-menu {
    display: none;
  }

  .dropdown.open > .dropdown-menu {
    display: block;
  }

  /* Alinear y mejorar el botón Acceder dentro del menú */
  .nav-item button#loginBtn {
    display: block;
    margin: 12px auto;
    width: 80%;
    padding: 12px;
    font-size: 1rem;
  }
}

/* === Ajustes visuales del menú móvil ASEF === */
body.no-scroll {
  overflow: hidden;
}

/* Submenús con animación slide-down en móvil */
@media screen and (max-width: 768px) {
  .dropdown-menu {
    display: block;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
  }

  .dropdown.open > .dropdown-menu {
    max-height: 500px; /* suficiente para todos los items */
    opacity: 1;
    transform: translateY(0);
  }

  /* Botón Acceder dentro del menú */
  .nav-item button#loginBtn {
    display: block;
    width: 80%;
    margin: 1rem auto;
    padding: 12px;
    font-size: 1rem;
    background-color: var(--accent-color);
    color: #fff;
    border: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
  }

  .nav-item button#loginBtn:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
  }
}