/* ===================================
   HEADER COMPONENT
   =================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    border-bottom-color: var(--color-border);
}

.header__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-md);
    padding-bottom: var(--space-md);
    gap: var(--space-lg);
}

.header__logo {
    flex-shrink: 0;
}

.logo {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

@media (max-width: 1023px) {
    .header__nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--color-bg);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: var(--space-2xl);
        z-index: var(--z-header);

        /* Ocultar inicialmente */
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-10px);
        transition: all var(--transition-base);
    }

    .header__nav.is-active {
        opacity: 1;
        visibility: visible;
        pointer-events: all;
        transform: translateY(0);
    }

    .nav-list {
        flex-direction: column;
        gap: var(--space-xl);
        text-align: center;
    }

    .nav-link {
        font-size: var(--text-2xl);
        font-weight: var(--font-bold);
    }
}

@media (min-width: 1024px) {
    .header__nav {
        display: block;
    }
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-link {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--color-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.nav-link:hover {
    color: var(--color-primary);
}

.nav-link:hover::after {
    transform: scaleX(1);
}

.btn--header {
    display: none;
}

@media (min-width: 1024px) {
    .btn--header {
        display: inline-flex;
    }
}

/* Mobile Menu Toggle */
.header__menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 22px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

@media (max-width: 1024px) {
    .header__menu-toggle {
        display: flex;
        z-index: calc(var(--z-header) + 1);
    }
}

@media (min-width: 1024px) {
    .header__menu-toggle {
        display: none;
    }
}

.header__menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--color-text);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.header__menu-toggle:hover span {
    background-color: var(--color-primary);
}

.header__menu-toggle:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 4px;
    border-radius: var(--radius-sm);
}

/* Mobile menu active state */
.header__menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.header__menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.header__menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-10px) rotate(-45deg);
}