/* Estilos de la sección header. Todo va dentro de .app-header para no chocar con otras secciones. */

.app-header {
    display: block;
    position: sticky;
    top: 0;
    z-index: 50;
}

.app-header .header {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: saturate(180%) blur(16px);
    -webkit-backdrop-filter: saturate(180%) blur(16px);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.app-header .header.is-scrolled {
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 10px 30px -15px rgba(15, 23, 42, 0.3);
}

.app-header .header__inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    transition: padding 0.3s ease;
}

.app-header .header.is-scrolled .header__inner {
    padding-block: 0.6rem;
}

/* ---------- Marca ---------- */

.app-header .brand {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    color: #223746;
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
}

.app-header .brand__logo {
    width: 38px;
    height: 38px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.app-header .brand:hover .brand__logo {
    transform: rotate(-8deg) scale(1.06);
}

/* ---------- Navegación ---------- */

.app-header .nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.app-header .nav ul {
    display: flex;
    gap: 0.5rem;
}

.app-header .nav__link {
    position: relative;
    display: inline-block;
    padding: 0.5rem 0.9rem;
    font-weight: 500;
    font-size: 1.2rem;
    color: #223746;
    text-decoration: none;
    font-family: "Special Gothic Condensed One", sans-serif;
    transition: color 0.2s ease;
}

.app-header .nav__link::after {
    content: '';
    position: absolute;
    left: 0.9rem;
    right: 0.9rem;
    bottom: 0.2rem;
    height: 2px;
    background: linear-gradient(90deg, #6ea89f, #6ea89f);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.app-header .nav__link:hover {
    color: #0f172a;
    text-decoration: none;
}

.app-header .nav__link:hover::after {
    transform: scaleX(1);
}

.app-header .nav__cta {
    position: relative;
    overflow: hidden;
    padding: 0.65rem 1.4rem;
    font-weight: 600;
    font-size: 0.95rem;
    color: #fff;
    text-decoration: none;
    background: linear-gradient(135deg, #6ea89f 0%, #6ea89f 100%);
    border-radius: 12px;
    box-shadow: 0 10px 20px -8px #223746;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.app-header .nav__cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 24px -8px #6ea89f;
}

/* ---------- Botón hamburguesa (solo móvil) ---------- */

.app-header .burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 0 11px;
    background: rgba(241, 245, 249, 0.9);
    border: 0;
    border-radius: 12px;
    cursor: pointer;
}

.app-header .burger span {
    display: block;
    height: 2px;
    background: #0f172a;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.2s ease;
}

.app-header .burger.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.app-header .burger.is-open span:nth-child(2) {
    opacity: 0;
}

.app-header .burger.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Responsive ---------- */

@media (max-width: 820px) {
    .app-header .burger {
        display: flex;
    }

    .app-header .nav {
        position: absolute;
        top: calc(100% + 0.5rem);
        left: 1rem;
        right: 1rem;
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
        padding: 1.25rem;
        background: rgba(255, 255, 255, 0.97);
        backdrop-filter: blur(16px);
        border: 1px solid #e2e8f0;
        border-radius: 20px;
        box-shadow: 0 25px 50px -20px rgba(15, 23, 42, 0.35);
        /* Oculto: visibility evita que los enlaces reciban foco con Tab */
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
    }

    .app-header .nav.is-open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .app-header .nav ul {
        flex-direction: column;
        gap: 0;
    }

    .app-header .nav__link {
        display: block;
        padding: 0.85rem 0.5rem;
        font-size: 1.05rem;
    }

    .app-header .nav__link::after {
        display: none;
    }

    .app-header .nav__cta {
        text-align: center;
        padding: 0.9rem;
    }

}

@media (prefers-reduced-motion: reduce) {
    .app-header *,
    .app-header *::before,
    .app-header *::after {
        transition: none !important;
    }

}