/* static/css/site-nav.css */
/* Navbar flotante "liquid glass": transparente + blur sobre el hero,
   se vuelve navy sólido al hacer scroll. Reemplaza al .main-header viejo
   (grid, opaco) definido en style.css. */

.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 28, 51, 0.18);
    backdrop-filter: blur(16px) saturate(160%);
    -webkit-backdrop-filter: blur(16px) saturate(160%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: background 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.site-nav.is-scrolled {
    background: rgba(10, 21, 38, 0.92);
    border-bottom-color: rgba(182, 30, 37, 0.25);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

.site-nav-inner {
    max-width: 1320px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 18px 5%;
    transition: padding 0.35s ease;
}

.site-nav.is-scrolled .site-nav-inner {
    padding: 12px 5%;
}

.site-nav-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.site-nav-logo img {
    height: 48px;
    width: auto;
    transition: height 0.35s ease;
}

.site-nav.is-scrolled .site-nav-logo img {
    height: 38px;
}

.site-nav-links {
    display: flex;
    align-items: center;
    gap: 38px;
    flex: 1;
    justify-content: center;
}

.site-nav-links a {
    position: relative;
    color: #fff;
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 6px 0;
}

.site-nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: #b61e25;
    transition: width 0.25s ease;
}

.site-nav-links a:hover::after {
    width: 100%;
}

.site-nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.site-nav-btn {
    display: inline-flex;
    align-items: center;
    padding: 10px 22px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 0.02em;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.site-nav-btn-ghost {
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, 0.55);
    background: transparent;
}

.site-nav-btn-ghost:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
}

.site-nav-btn-solid {
    color: #fff;
    background: #b61e25;
    box-shadow: 0 4px 14px rgba(182, 30, 37, 0.4);
}

.site-nav-btn-solid:hover {
    background: #7f151a;
    transform: translateY(-2px);
}

.site-nav-social {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    text-decoration: none;
    transition: all 0.25s ease;
}

.site-nav-social:hover {
    /* Mismo gradiente de marca de Instagram que usamos en el footer */
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
    border-color: transparent;
    transform: translateY(-2px);
}

.site-nav-social-tiktok:hover {
    /* Colores de marca de TikTok: negro con el destello cian/rosa */
    background: #010101;
    border-color: transparent;
    box-shadow: -2px 0 0 0 #25F4EE, 2px 0 0 0 #FE2C55;
    transform: translateY(-2px);
}

.site-nav-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 8px;
}

.site-nav-toggle:focus-visible {
    outline: 2px solid #b61e25;
    outline-offset: 2px;
}

.site-nav-mobile {
    display: none;
    flex-direction: column;
    /* Sin background propio: hereda el del .site-nav padre (transparente
       sobre el hero, sólido al hacer scroll) para que sea siempre el mismo
       color/estado, nunca dos tonos apilados. */
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.site-nav-mobile.active {
    max-height: 560px;
}

.site-nav-mobile-links {
    display: flex;
    flex-direction: column;
    padding: 6px 0;
}

.site-nav-mobile-links a {
    display: flex;
    align-items: center;
    gap: 14px;
    color: #fff;
    text-decoration: none;
    padding: 16px 6%;
    font-weight: 600;
    font-size: 0.97rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: background 0.2s ease, padding-left 0.2s ease;
}

.site-nav-mobile-links a:hover,
.site-nav-mobile-links a:active {
    background: rgba(255, 255, 255, 0.07);
    padding-left: 8%;
}

.site-nav-mobile-links a i {
    color: #ff5b63;
    width: 18px;
    text-align: center;
    font-size: 0.95rem;
}

.site-nav-mobile-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 18px 6% 16px;
}

.site-nav-mobile-actions .site-nav-btn {
    width: 100%;
    justify-content: center;
    padding: 13px 20px;
    font-size: 0.95rem;
}

.site-nav-mobile-social {
    display: flex;
    justify-content: center;
    padding-bottom: 20px;
}

@media (max-width: 860px) {
    .site-nav-links,
    .site-nav-actions {
        display: none;
    }
    .site-nav-toggle {
        display: block;
    }
    .site-nav-mobile {
        display: flex;
    }
}