/* ======================================================= */
/* NAVBAR — Liquid Glassmorphism v2.0 (Global · Mobile-First) */
/* ======================================================= */

:root {
    --nav-height: 52px;
    --nav-glass-bg: rgba(10, 10, 10, 0.5);
    --nav-glass-blur: 10px;
    --nav-glass-border: rgba(255, 255, 255, 0.08);
    --nav-amber: rgba(255, 140, 40, 0.95);
    --nav-amber-glow: rgba(255, 69, 0, 0.35);
}

@media (min-width: 992px) {
    :root {
        --nav-height: 56px;
    }
}

/* Compensa navbar fijo en todo el sitio */
body {
    padding-top: var(--nav-height) !important;
}

.site-header {
    display: contents;
}

/* ── Barra principal fija ── */
.nav-glass {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--nav-glass-bg);
    backdrop-filter: blur(var(--nav-glass-blur));
    -webkit-backdrop-filter: blur(var(--nav-glass-blur));
    border-bottom: 1px solid var(--nav-glass-border);
    box-shadow:
        inset 0 -1px 0 rgba(255, 255, 255, 0.04),
        0 4px 24px rgba(0, 0, 0, 0.35);
}

.nav-glass__bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    max-width: 1300px;
    margin: 0 auto;
    min-height: var(--nav-height);
    padding:
        env(safe-area-inset-top, 0px)
        max(1rem, env(safe-area-inset-right, 0px))
        0
        max(1rem, env(safe-area-inset-left, 0px));
    box-sizing: content-box;
}

/* ── Marca ── */
.nav-glass__brand {
    flex: 1;
    min-width: 0;
    font-family: 'Poppins', sans-serif;
    font-size: clamp(0.6875rem, 3.2vw, 0.9375rem);
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    text-decoration: none;
    color: #fff;
    line-height: 1.25;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.35);
    -webkit-tap-highlight-color: transparent;
}

.nav-glass__brand:hover,
.nav-glass__brand:focus-visible {
    color: rgba(255, 255, 255, 0.92);
    outline: none;
}

/* ── Toggle hamburguesa → X ── */
.nav-glass__toggle {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    margin: 0;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.04);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    transition: border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.nav-glass__toggle:hover,
.nav-glass__toggle:focus-visible {
    border-color: rgba(255, 140, 40, 0.35);
    box-shadow: 0 0 12px var(--nav-amber-glow);
    outline: none;
}

.nav-glass__toggle-box {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 20px;
    height: 16px;
}

.nav-glass__line {
    display: block;
    width: 100%;
    height: 2px;
    border-radius: 1px;
    background: rgba(255, 255, 255, 0.92);
    transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.22s ease;
    transform-origin: center;
}

.nav-glass__toggle--active .nav-glass__line--1 {
    transform: translateY(7px) rotate(45deg);
}

.nav-glass__toggle--active .nav-glass__line--2 {
    opacity: 0;
    transform: scaleX(0);
}

.nav-glass__toggle--active .nav-glass__line--3 {
    transform: translateY(-7px) rotate(-45deg);
}

.nav-glass__toggle--active {
    border-color: rgba(255, 140, 40, 0.45);
    background: rgba(255, 69, 0, 0.08);
}

/* ── Panel de enlaces ── */
.nav-glass__panel {
    list-style: none;
}

.nav-glass__menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-glass__link {
    display: flex;
    align-items: center;
    min-height: 48px;
    padding: 0.65rem 1rem;
    font-family: 'Poppins', sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-decoration: none;
    color: rgba(240, 240, 245, 0.92);
    border-radius: 10px;
    transition:
        color 0.2s ease,
        background 0.2s ease,
        box-shadow 0.2s ease,
        border-color 0.2s ease;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.nav-glass__link:hover,
.nav-glass__link:focus-visible {
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
    outline: none;
}

.nav-glass__link--active,
.nav-glass__link:active {
    color: var(--nav-amber);
    background: rgba(255, 69, 0, 0.1);
    box-shadow:
        inset 3px 0 0 var(--nav-amber),
        0 0 14px var(--nav-amber-glow);
}

.nav-glass__stamp {
    margin: 0;
    padding: 0.75rem 1rem 1rem;
    font-family: 'Courier New', Courier, 'Lucida Console', monospace;
    font-size: 0.4375rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-align: right;
    color: rgba(130, 140, 150, 0.65);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* ── Mobile: panel flotante de cristal ── */
@media (max-width: 991px) {
    .nav-glass__toggle {
        display: flex;
    }

    .nav-glass__panel {
        position: fixed;
        top: calc(var(--nav-height) + env(safe-area-inset-top, 0px));
        left: 0.75rem;
        right: 0.75rem;
        max-height: calc(100dvh - var(--nav-height) - env(safe-area-inset-top, 0px) - 1rem);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        background: rgba(12, 12, 14, 0.82);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 16px;
        box-shadow:
            inset 0 0 20px rgba(255, 255, 255, 0.03),
            0 20px 48px rgba(0, 0, 0, 0.55);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-12px) scale(0.98);
        transform-origin: top center;
        transition:
            opacity 0.32s ease,
            visibility 0.32s ease,
            transform 0.36s cubic-bezier(0.22, 1, 0.36, 1);
        pointer-events: none;
        z-index: 999;
    }

    .nav-glass__panel--open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0) scale(1);
        pointer-events: auto;
    }

    .nav-glass__menu {
        padding: 0.65rem 0.5rem;
    }

    .nav-glass__menu li + li {
        margin-top: 0.25rem;
    }

    .nav-glass--menu-open::before {
        content: "";
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.45);
        z-index: 998;
        animation: navOverlayIn 0.3s ease;
        pointer-events: auto;
    }
}

@keyframes navOverlayIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ── Desktop: enlaces en barra ── */
@media (min-width: 992px) {
    .nav-glass__bar {
        padding-top: 0;
        padding-bottom: 0;
    }

    .nav-glass__toggle {
        display: none;
    }

    .nav-glass__panel {
        position: static;
        display: flex;
        align-items: center;
        flex-shrink: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        pointer-events: auto;
        background: transparent;
        border: none;
        box-shadow: none;
        max-height: none;
        overflow: visible;
    }

    .nav-glass__menu {
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 0.15rem;
        padding: 0;
    }

    .nav-glass__link {
        min-height: 40px;
        padding: 0.45rem 0.85rem;
        font-size: 0.8125rem;
        border-radius: 8px;
    }

    .nav-glass__link--active {
        box-shadow: inset 0 -2px 0 var(--nav-amber), 0 0 10px var(--nav-amber-glow);
    }

    .nav-glass__stamp {
        display: none;
    }
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    .nav-glass {
        background: rgba(12, 12, 14, 0.97);
    }

    @media (max-width: 991px) {
        .nav-glass__panel {
            background: rgba(14, 14, 16, 0.98);
        }
    }
}

@media (prefers-reduced-motion: reduce) {
    .nav-glass__panel,
    .nav-glass__line {
        transition: none;
    }
}