/* HabitatPlus — navegación compartida (escritorio + móvil) */
.nav {
    position: sticky;
    top: 0;
    z-index: 40;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: rgba(247, 251, 250, 0.92);
    border-bottom: 1px solid var(--line);
    padding: 0.75rem 1.25rem 0.85rem;
}
.nav-inner {
    max-width: 1180px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.nav-home {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: inherit;
    flex-shrink: 0;
}
.brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--ink);
    flex-shrink: 0;
    min-width: 0;
}
.brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(145deg, var(--teal), var(--sage));
    color: #fff;
    display: grid;
    place-items: center;
    font-size: 1.05rem;
    flex-shrink: 0;
}
.brand-logo,
.brand img {
    width: 152px;
    max-width: 52vw;
    height: auto;
    border-radius: 10px;
}
.nav-links {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.2rem;
    list-style: none;
    margin: 0;
    padding: 0;
    min-width: 0;
}
.nav-links > li { position: relative; }
.nav-links a {
    color: var(--ink-soft);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 600;
    padding: 0.52rem 0.8rem;
    border-radius: 10px;
    transition: color 0.15s ease, background 0.15s ease;
    white-space: nowrap;
}
.nav-links > li > a:not(.nav-cta):hover,
.nav-links > li > a:not(.nav-cta).is-active {
    color: var(--teal-deep);
    background: rgba(15, 118, 110, 0.1);
}
.nav-links li[hidden] { display: none; }
.nav-dropdown > a {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}
.nav-dropdown > a i {
    font-size: 0.62rem;
    transition: transform 0.18s ease;
}
.nav-submenu {
    position: absolute;
    top: calc(100% + 0.55rem);
    left: 50%;
    z-index: 50;
    min-width: 240px;
    margin: 0;
    padding: 0.45rem;
    list-style: none;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--line);
    border-radius: var(--radius-md, 14px);
    box-shadow: var(--shadow, 0 14px 40px rgba(26, 46, 42, 0.1));
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, -0.4rem);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
}
.nav-submenu::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 100%;
    height: 0.75rem;
}
.nav-submenu a {
    display: block;
    padding: 0.65rem 0.8rem;
    border-radius: 9px;
    white-space: nowrap;
}
.nav-submenu a:hover,
.nav-submenu a:focus-visible,
.nav-submenu a.is-active {
    color: var(--teal-deep);
    background: rgba(15, 118, 110, 0.08);
}
.nav-dropdown:hover .nav-submenu,
.nav-dropdown:focus-within .nav-submenu {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}
.nav-dropdown:hover > a i,
.nav-dropdown:focus-within > a i { transform: rotate(180deg); }
.nav-cta {
    background: var(--teal);
    color: #fff;
    text-decoration: none;
    padding: 0.55rem 1.15rem;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.88rem;
    box-shadow: 0 8px 20px rgba(15, 118, 110, 0.25);
}
.nav-cta:hover { background: var(--teal-deep); }
.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    flex-shrink: 0;
    margin-left: auto;
}
.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    min-width: 2.85rem;
    min-height: 2.85rem;
    padding: 0.55rem 1rem;
    border: none;
    border-radius: 999px;
    background: var(--teal);
    color: #fff;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.92rem;
    line-height: 1;
    box-shadow: 0 8px 22px rgba(15, 118, 110, 0.32);
    flex-shrink: 0;
}
.nav-toggle:hover { background: var(--teal-deep); }
.nav-toggle:focus-visible {
    outline: 2px solid var(--mint, #5eead4);
    outline-offset: 2px;
}
.nav-toggle-icon { font-size: 1.05rem; }
.nav-toggle-label { display: inline; }
.nav-backdrop {
    position: fixed;
    inset: 0;
    z-index: 35;
    background: rgba(12, 36, 32, 0.45);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.22s ease, visibility 0.22s;
}
.nav.is-open .nav-backdrop {
    opacity: 1;
    visibility: visible;
}
.nav-cta-mobile { display: none; }
body.nav-open { overflow: hidden; }

/* Escritorio: logo centrado arriba, menú en segunda línea */
@media (min-width: 1181px) {
    .nav-inner {
        display: grid;
        grid-template-columns: 1fr auto 1fr;
        grid-template-rows: auto auto;
        align-items: center;
        column-gap: 1rem;
        row-gap: 0.7rem;
    }
    .nav-toggle { display: none; }
    .nav-home {
        grid-column: 1;
        grid-row: 1;
        justify-self: start;
        align-self: center;
    }
    .brand {
        grid-column: 2;
        grid-row: 1;
        justify-self: center;
    }
    .nav-actions {
        grid-column: 3;
        grid-row: 1;
        margin-left: 0;
        justify-self: end;
        align-self: center;
    }
    .nav-links {
        grid-column: 1 / -1;
        grid-row: 2;
        width: 100%;
        justify-content: center;
        padding: 0.55rem 0.75rem;
        background: rgba(255, 255, 255, 0.82);
        border: 1px solid var(--line);
        border-radius: 14px;
        box-shadow: 0 4px 18px rgba(26, 46, 42, 0.05);
    }
}

/* Móvil: hamburguesa izquierda, panel desde la izquierda */
@media (max-width: 1180px) {
    .nav { padding: 0.7rem 1rem; }
    .nav-inner {
        display: grid;
        grid-template-columns: auto auto 1fr;
        align-items: center;
        column-gap: 0.55rem;
    }
    .nav-toggle {
        display: inline-flex;
        grid-column: 1;
        grid-row: 1;
    }
    .nav-home {
        grid-column: 2;
        grid-row: 1;
    }
    .brand {
        grid-column: 3;
        grid-row: 1;
    }
    .nav-actions { display: none; }
    .brand-logo,
    .brand img { width: 118px; max-width: 58vw; }
    .nav-cta-desktop { display: none !important; }
    .nav-cta-mobile {
        display: inline-flex;
        justify-content: center;
        margin-top: 0.35rem;
        width: 100%;
    }
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        z-index: 45;
        display: flex;
        width: min(92vw, 360px);
        height: 100dvh;
        margin: 0;
        padding: 5.25rem 1.1rem 1.5rem;
        flex-direction: column;
        align-items: stretch;
        gap: 0.15rem;
        background: rgba(255, 255, 255, 0.99);
        border: none;
        border-right: 1px solid var(--line);
        border-radius: 0;
        box-shadow: 12px 0 40px rgba(26, 46, 42, 0.14);
        overflow-y: auto;
        transform: translateX(-105%);
        pointer-events: none;
        transition: transform 0.24s ease;
    }
    .nav.is-open .nav-links {
        transform: translateX(0);
        pointer-events: auto;
    }
    .nav-links > li { width: 100%; }
    .nav-dropdown {
        width: 100%;
        position: relative;
    }
    .nav-links a,
    .nav-dropdown > a {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding: 0.82rem 0.9rem;
        border-radius: 12px;
        font-size: 0.95rem;
        white-space: normal;
        box-sizing: border-box;
    }
    .nav-links a:hover,
    .nav-dropdown > a:hover {
        color: var(--teal-deep);
        background: rgba(15, 118, 110, 0.08);
    }
    .nav-dropdown > a i { margin-left: auto; }
    .nav-submenu {
        position: static;
        left: auto;
        right: auto;
        top: auto;
        min-width: 0;
        width: 100%;
        margin: 0.2rem 0 0.4rem;
        padding: 0.35rem;
        border: 1px solid rgba(15, 118, 110, 0.12);
        border-radius: 12px;
        background: rgba(15, 118, 110, 0.05);
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        box-sizing: border-box;
    }
    .nav-submenu::before { display: none; }
    .nav-submenu li { width: 100%; }
    .nav-submenu a {
        display: block;
        width: 100%;
        padding: 0.72rem 0.85rem;
        border-radius: 9px;
        white-space: normal;
        box-sizing: border-box;
    }
    .nav-dropdown.is-expanded .nav-submenu { display: block; }
    .nav-dropdown.is-expanded > a i { transform: rotate(180deg); }
    .nav-dropdown:hover .nav-submenu,
    .nav-dropdown:focus-within .nav-submenu {
        display: none;
        transform: none;
    }
    .nav-dropdown.is-expanded:hover .nav-submenu,
    .nav-dropdown.is-expanded:focus-within .nav-submenu {
        display: block;
        transform: none;
    }
}

@media (max-width: 480px) {
    .nav-toggle-label { display: none; }
    .nav-toggle { padding-inline: 0.8rem; }
}