/* =================================================================
   ESTILOS DEL ENCABEZADO UNIFICADO PARA Obratudela.com
   ================================================================= */

:root {
    --header-height: 64px;
}

.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: rgba(255, 255, 255, .95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 2px solid var(--orange);
    font-family: 'IBM Plex Sans', sans-serif;
}

.header-inner {
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.header-logo img {
    height: 38px;
    width: auto;
    border-radius: 4px;
}

.header-logo span {
    font-family: 'Bebas Neue', cursive;
    font-size: 1.6rem;
    color: var(--orange);
    letter-spacing: 2px;
    line-height: 1;
}

/* --- Navegación Principal (Escritorio) --- */
.main-nav {
    display: flex;
    align-items: center;
    gap: 28px;
}

.main-nav a {
    color: var(--text);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color .2s;
    padding: 8px 0;
}

.main-nav a:hover {
    color: var(--orange);
}

.main-nav a.btn {
    padding: 8px 16px;
    border-radius: 4px;
    color: #000;
    background-color: var(--orange);
    transition: background-color .2s, transform .2s;
}

.main-nav a.btn:hover {
    background-color: var(--orange2);
    color: #000;
    transform: translateY(-1px);
}

/* --- Desplegable "Servicios" --- */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    cursor: pointer;
}

.nav-dropdown-toggle::after {
    content: ' ▾';
    font-size: 0.7em;
    display: inline-block;
    margin-left: 2px;
}

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    padding: 8px;
    min-width: 200px;
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, top 0.2s;
}

.nav-dropdown.open .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    top: calc(100% + 5px);
}

.nav-dropdown-menu a {
    padding: 10px 14px;
    border-radius: 4px;
    text-transform: none;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

/* --- Menú Móvil --- */
.hamburger-menu {
    display: none;
    /* Oculto en escritorio */
    flex-direction: column;
    justify-content: space-around;
    width: 28px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.hamburger-menu span {
    width: 100%;
    height: 3px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s;
    position: relative;
}

/* Animación del icono de hamburguesa a "X" */
.hamburger-menu.open span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.hamburger-menu.open span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.mobile-menu-backdrop {
    display: none;
}

.mobile-menu {
    display: none;
    /* Oculto por defecto */
}

/* --- Responsive --- */
@media (max-width: 992px) {
    .main-nav {
        display: none;
        /* Ocultar navegación de escritorio */
    }

    .hamburger-menu {
        display: flex;
        /* Mostrar hamburguesa */
    }

    .mobile-menu {
        display: flex;
        flex-direction: column;
        gap: 15px;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        height: calc(100vh - var(--header-height));
        background: var(--bg);
        padding: 30px;
        transform: translateX(100%);
        transition: transform 0.3s ease-in-out;
    }

    .mobile-menu.open {
        transform: translateX(0);
    }

    .mobile-menu a {
        font-size: 1.2rem;
        padding: 10px 0;
        text-decoration: none;
        color: var(--text);
        font-weight: 600;
    }

    /* Backdrop para cerrar el menú al hacer clic fuera */
    .mobile-menu-backdrop.open {
        display: block;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 999;
        /* Detrás del menú pero por encima del contenido */
    }
}