/* ========================================
   HEADER / NAVEGACIÓN
   ======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background-color: rgba(253, 250, 231, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-base);
    transition: background-color var(--transition-base);
}

.header.scrolled {
    background-color: rgba(253, 250, 231, 0.95);
    box-shadow: var(--shadow-xl);
}

.navbar {
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.navbar__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-base) var(--container-padding);
    gap: var(--space-lg);
}

.navbar__logo {
    font-family: var(--font-headline);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-black);
    color: var(--color-gray-dark);
    letter-spacing: var(--letter-spacing-tight);
    white-space: nowrap;
}

.navbar__logo span {
    color: var(--color-primary);
}

.navbar__menu {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
    list-style: none;
}

.navbar__link {
    font-family: var(--font-headline);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    color: var(--color-text-primary);
    position: relative;
    padding-bottom: var(--space-sm);
    transition: color var(--transition-base);
}

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

.navbar__link:hover,
.navbar__link--active {
    color: var(--color-primary);
}

.navbar__link--active::after {
    transform: scaleX(1);
}

.navbar__cta {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: var(--color-text-white);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-headline);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    border-radius: var(--radius-base);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.navbar__cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.navbar__cta:active {
    transform: translateY(0);
}

.navbar__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.navbar__toggle span {
    width: 24px;
    height: 3px;
    background-color: var(--color-text-primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    transform-origin: center;
}

.navbar__toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.navbar__toggle.active span:nth-child(2) {
    opacity: 0;
}

.navbar__toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Menu */
@media (max-width: 768px) {
    .navbar__toggle {
        display: flex;
    }

    .navbar__menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--color-surface);
        padding: var(--space-lg) var(--container-padding);
        gap: var(--space-base);
        border-bottom: 1px solid var(--color-outline-variant);
        box-shadow: var(--shadow-md);
    }

    .navbar__menu.active {
        display: flex;
    }

    .navbar__cta {
        width: 100%;
        text-align: center;
    }
}

/* Main adjustment for fixed header */
main {
    margin-top: 72px;
}