/* Menú canónico de Elite Soldier: usado por la landing y por cada página pública. */
body > header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(16, 23, 16, .85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}

body > header .nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .9rem 0;
}

body > header .brand {
    display: flex;
    align-items: center;
    gap: .6rem;
    text-decoration: none;
}

body > header .brand-logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    flex: none;
}

body > header .brand-wordmark {
    position: relative;
    display: inline-block;
    padding-bottom: .28rem;
    color: #f2f2f2;
    font-family: 'Nunito', sans-serif;
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: .03em;
    white-space: nowrap;
}

body > header .brand-wordmark span {
    background: linear-gradient(135deg, var(--accent-soft), var(--accent) 65%, var(--accent-deep));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

body > header .brand-wordmark::after {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, #f2f2f2 0%, var(--accent-soft) 52%, var(--accent) 100%);
    content: '';
    opacity: .92;
}

body > header .nav-panel {
    display: flex;
    align-items: center;
    gap: 1.6rem;
}

body > header .nav-links {
    display: flex;
    align-items: center;
    gap: 1.6rem;
    font-size: .9rem;
    font-weight: 700;
}

body > header .nav-links a,
body > header .nav-login {
    color: rgba(255, 255, 255, .75);
    text-decoration: none;
    transition: color .2s ease;
}

body > header .nav-links a:hover,
body > header .nav-login:hover {
    color: var(--accent-soft);
}

body > header .nav-login {
    color: rgba(255, 255, 255, .7);
    font-size: .88rem;
    font-weight: 700;
}

body > header .btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .85rem 1.6rem;
    border: 0;
    border-radius: 999px;
    cursor: pointer;
    font-size: .95rem;
    font-weight: 800;
    text-decoration: none;
    transition: transform .18s ease, box-shadow .18s ease, background .2s ease, color .2s ease;
}

body > header .btn-primary {
    background: linear-gradient(135deg, var(--accent-soft), var(--accent) 60%, var(--accent-deep));
    box-shadow: 0 10px 26px rgba(255, 158, 27, .3);
    color: #1a1a1a;
}

body > header .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(255, 158, 27, .4);
}

body > header .nav-btn-primary {
    margin-left: .8rem;
    flex: none;
}

body > header .nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: 10px;
    background: rgba(255, 255, 255, .08);
    color: #f2f2f2;
    cursor: pointer;
    flex: none;
    font-size: 1.05rem;
}

@media (max-width: 860px) {
    body > header .nav {
        flex-wrap: wrap;
        row-gap: 0;
    }

    body > header .brand {
        order: 1;
        gap: .45rem;
        flex: none;
        font-size: .95rem;
        white-space: nowrap;
    }

    body > header .brand-logo-img {
        width: 32px;
        height: 32px;
    }

    body > header .brand-wordmark {
        font-size: .95rem;
    }

    body > header .nav-toggle {
        display: inline-flex;
        order: 2;
        width: 34px;
        height: 34px;
        margin-left: auto;
        flex: none;
        font-size: .95rem;
    }

    body > header .nav-btn-primary {
        order: 3;
        gap: .3rem;
        margin-left: .35rem;
        padding: .5rem .85rem;
        flex: none;
        font-size: .76rem;
        white-space: nowrap;
    }

    body > header .nav-panel {
        order: 4;
        flex-basis: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height .35s ease;
    }

    body > header .nav-panel.open {
        max-height: 480px;
    }

    body > header .nav-links {
        display: flex;
        flex-direction: column;
        gap: 0;
        width: 100%;
        padding-top: .6rem;
        font-size: 1rem;
    }

    body > header .nav-links a,
    body > header .nav-panel .nav-login {
        width: 100%;
        padding: .85rem 0;
        border-top: 1px solid rgba(255, 255, 255, .1);
    }
}

@media (prefers-reduced-motion: reduce) {
    body > header .nav-panel {
        transition: none;
    }
}