/**
 * header.css — Header sticky con glass-morphism + nav mobile
 * AVN Networks v1.0.0
 */

/* ============================================================
   HEADER BASE
   ============================================================ */
.avn-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding-block: 1.1rem;
    transition:
        background .35s ease,
        padding .35s ease,
        box-shadow .35s ease,
        backdrop-filter .35s ease;
}

/* Estado inicial: sobre hero — completamente transparente */
.avn-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: transparent;
    transition: background .35s ease;
    z-index: -1;
}

/* Estado scrolled — glass morphism */
.avn-header.is-scrolled {
    padding-block: .7rem;
    box-shadow: 0 1px 0 rgba(255,255,255,.05), 0 8px 32px rgba(0,0,0,.4);
}

.avn-header.is-scrolled::before {
    background: rgba(10,10,10,.85);
    backdrop-filter: blur(16px) saturate(160%);
    -webkit-backdrop-filter: blur(16px) saturate(160%);
}

/* ============================================================
   INNER — FLEX ROW
   ============================================================ */
.avn-header__inner {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* ============================================================
   LOGO
   ============================================================ */
.avn-header__logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    text-decoration: none;
    margin-right: auto;
}

.avn-header__logo img,
.avn-header__logo .custom-logo {
    height: 38px;
    width: auto;
    display: block;
    transition: opacity .2s;
}

.avn-header__logo:hover img,
.avn-header__logo:hover .custom-logo { opacity: .85; }

.avn-header__logo-text {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--avn-text, #e5e5e5);
    letter-spacing: -.02em;
    background: linear-gradient(135deg, #fff 40%, var(--avn-accent, #00d9ff));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================================
   NAV DESKTOP
   ============================================================ */
.avn-header__nav { display: flex; }

.avn-nav__list {
    display: flex;
    align-items: center;
    gap: .25rem;
    list-style: none;
    margin: 0; padding: 0;
}

.avn-nav__list li { position: relative; }

.avn-nav__list a {
    display: block;
    padding: .45rem .85rem;
    font-size: .9rem;
    font-weight: 500;
    color: rgba(229,229,229,.8);
    text-decoration: none;
    border-radius: 6px;
    transition: color .2s, background .2s;
    white-space: nowrap;
}

.avn-nav__list a:hover,
.avn-nav__list .current-menu-item > a,
.avn-nav__list .current-page-ancestor > a {
    color: var(--avn-accent, #00d9ff);
    background: rgba(0,217,255,.06);
}

/* Submenu */
.avn-nav__list .sub-menu {
    position: absolute;
    top: calc(100% + .5rem);
    left: 0;
    min-width: 200px;
    background: rgba(15,15,15,.97);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 10px;
    padding: .5rem;
    list-style: none;
    margin: 0;
    box-shadow: 0 16px 40px rgba(0,0,0,.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity .2s ease, transform .2s ease, visibility .2s;
}

.avn-nav__list li:hover > .sub-menu,
.avn-nav__list li:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.avn-nav__list .sub-menu a {
    font-size: .875rem;
    padding: .5rem .75rem;
    border-radius: 6px;
}

/* ============================================================
   ACTIONS (language switcher + CTA)
   ============================================================ */
.avn-header__actions {
    display: flex;
    align-items: center;
    gap: .75rem;
    flex-shrink: 0;
}

/* Language switcher */
.avn-lang-switcher {
    display: flex;
    gap: .35rem;
    align-items: center;
}

.avn-lang-switcher a {
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .05em;
    color: #888;
    text-decoration: none;
    padding: .25rem .5rem;
    border-radius: 4px;
    transition: color .2s, background .2s;
}

.avn-lang-switcher a:hover,
.avn-lang-switcher .current-lang { color: var(--avn-accent); }

/* Header CTA */
.avn-header__cta {
    font-size: .85rem;
    padding: .5rem 1.1rem;
    white-space: nowrap;
}

/* ============================================================
   HAMBURGER — MOBILE
   ============================================================ */
.avn-header__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 6px;
    background: transparent;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 8px;
    cursor: pointer;
    flex-shrink: 0;
    transition: border-color .2s;
}

.avn-header__toggle:hover { border-color: var(--avn-accent); }

.avn-header__toggle-bar {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--avn-text, #e5e5e5);
    border-radius: 2px;
    transform-origin: center;
    transition: transform .3s ease, opacity .3s ease, background .2s;
}

/* Animacion X cuando esta abierto */
.avn-header__toggle[aria-expanded="true"] .avn-header__toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.avn-header__toggle[aria-expanded="true"] .avn-header__toggle-bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.avn-header__toggle[aria-expanded="true"] .avn-header__toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   RESPONSIVE — MOBILE NAV
   ============================================================ */
@media (max-width: 1024px) {
    .avn-header__toggle { display: flex; }

    .avn-header__nav {
        position: fixed;
        inset: 0;
        top: 0;
        left: 100%;
        width: 85%;
        max-width: 340px;
        height: 100svh;
        background: rgba(10,10,10,.98);
        backdrop-filter: blur(20px);
        padding: 6rem 1.5rem 2rem;
        flex-direction: column;
        box-shadow: -4px 0 32px rgba(0,0,0,.5);
        transition: left .35s cubic-bezier(.4,0,.2,1);
        overflow-y: auto;
        z-index: 999;
    }

    .avn-header__nav.is-open { left: 15%; }

    /* Overlay oscuro al abrir */
    body.nav-open::after {
        content: '';
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,.6);
        z-index: 998;
        animation: avn-fade-in .3s ease;
    }

    .avn-nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: .25rem;
        width: 100%;
    }

    .avn-nav__list li { width: 100%; }
    .avn-nav__list a { padding: .75rem 1rem; font-size: 1rem; width: 100%; }

    .avn-nav__list .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background: rgba(255,255,255,.04);
        border-radius: 8px;
        margin-top: .25rem;
        padding: .25rem .5rem;
        display: none;
    }

    .avn-nav__list li.is-open > .sub-menu { display: block; }

    .avn-header__actions {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        margin-top: auto;
        padding-top: 1.5rem;
        border-top: 1px solid rgba(255,255,255,.08);
        width: 100%;
    }
}

@media (max-width: 480px) {
    .avn-header__nav { width: 100%; max-width: none; left: 100%; }
    .avn-header__nav.is-open { left: 0; }
}