/* ==========================================================================
   Global Header & Navigation Bar
   ========================================================================== */

.site-header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(13, 13, 13, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid #222222;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #ffffff;
    font-weight: 700;
    font-size: 1.1rem;
    transition: opacity 0.2s ease;
}

.site-logo:hover {
    opacity: 0.85;
}

.logo-symbol {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: #1e293b;
    border: 1px solid #334155;
    color: #38bdf8;
    border-radius: 8px;
    font-size: 1.2rem;
    font-family: serif;
}

/* Nav Links */
.nav-list {
    display: flex;
    align-items: center;
    gap: 24px;
    list-style: none;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: #a0a0a0;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 6px;
    transition: color 0.2s ease, background-color 0.2s ease;
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link:hover,
.nav-item:hover > .nav-link {
    color: #ffffff;
    background-color: #1a1a1a;
}

.nav-link .arrow {
    font-size: 0.75rem;
    color: #38bdf8;
    transition: transform 0.2s ease;
}

.dropdown:hover .arrow {
    transform: rotate(180deg);
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 240px;
    background: #141414;
    border: 1px solid #282828;
    border-radius: 10px;
    padding: 8px;
    list-style: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    
    /* Estado oculto con transición suave */
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

/* Mostrar Desplegable al hacer Hover o Focus */
.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Elementos del Desplegable */
.dropdown-item {
    display: flex;
    flex-direction: column;
    padding: 10px 12px;
    text-decoration: none;
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

.dropdown-item:hover {
    background-color: #1f1f1f;
}

.item-title {
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 600;
}

.item-desc {
    color: #777777;
    font-size: 0.78rem;
    margin-top: 2px;
}