/* ============================================
   MAIN HEADER - Header dinámico con imagen
   ============================================ */

#main-header.main-header {
    position: fixed;
    top: 50px; /* altura del top-strip */
    left: 0;
    right: 0;
    height: 90px;
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    z-index: 999;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    padding: 0 2rem;
}

#main-header.main-header--scrolled {
    top: 50px;
    height: 70px;
    background: rgba(255, 255, 255, 0.98) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.main-header__inner {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.main-header__logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: white;
    flex-shrink: 0;
}

.logo-mark {
    font-family: 'Outfit', 'Space Grotesk', var(--font-display, sans-serif);
    font-size: 1.75rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    color: #0A1628;
}

.logo-sub {
    font-family: var(--font-label, 'Inter', sans-serif);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
}

/* Navegación desktop */
.nav-desktop {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    font-family: var(--font-body, 'DM Sans', sans-serif);
    font-size: 0.9rem;
    font-weight: 500;
    color: #0A0A0F;
    text-decoration: none;
    padding: 0.5rem 0;
    position: relative;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.nav-link:hover {
    color: #2563EB;
}

.nav-chevron {
    width: 14px;
    height: 14px;
    transition: transform 0.3s ease;
}

.nav-link[aria-expanded="true"] .nav-chevron {
    transform: rotate(180deg);
}

/* Header imagen */
.main-header__image {
    width: 120px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid rgba(37, 99, 235, 0.25);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    flex-shrink: 0;
    background: linear-gradient(135deg, #0D1E35, #1a3558);
}

/* Contacto header (opcional) */
.header-contact {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s ease;
}

.contact-link:hover {
    color: #60A5FA;
}

.contact-link svg {
    width: 18px;
    height: 18px;
}

/* Mobile menu button */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle__bar {
    width: 24px;
    height: 2px;
    background: white;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.menu-toggle.active .menu-toggle__bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active .menu-toggle__bar:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active .menu-toggle__bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Responsive */
@media (max-width: 1024px) {
    .main-header {
        height: 80px;
    }

    .main-header--scrolled {
        height: 65px;
    }

    .nav-desktop {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .main-header__image {
        width: 100px;
        height: 65px;
    }

    .btn-ingresar {
        width: 100%;
        justify-content: center;
        margin-bottom: 8px;
    }
}

@media (max-width: 768px) {
    .main-header {
        top: auto; /* top-strip hidden on mobile */
        height: 60px;
        padding: 0 1rem;
    }

    .main-header--scrolled {
        height: 55px;
    }

    .logo-mark {
        font-size: 1.5rem;
    }

    .logo-sub {
        display: none;
    }

    .main-header__image {
        display: none;
    }
}

/* Offset para contenido cuando header está fixed */
.has-top-strip {
    padding-top: calc(50px + 90px);
}

.has-top-strip.main-header--scrolled {
    padding-top: calc(50px + 70px);
}

@media (max-width: 768px) {
    .has-top-strip {
        padding-top: 60px;
    }
}

/* ─── BOTÓN INGRESAR ─────────────────────────────────────────────────────── */
.btn-ingresar {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 20px;
    border: 2px solid #0F2D5A;
    border-radius: 4px;
    color: #0A1628;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    text-decoration: none;
    background: transparent;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    white-space: nowrap;
}

.btn-ingresar:hover {
    background: #0F2D5A;
    color: #fff;
    border-color: #0F2D5A;
}

.btn-ingresar svg {
    flex-shrink: 0;
}