/* ============================================
   Navigation Component
   ============================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-nav);
    padding: var(--space-lg) 0;
    transition: all var(--transition-base);
}

.nav--scrolled {
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--space-md) 0;
    box-shadow: var(--shadow-lg);
}

.nav__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.nav__logo-icon {
    width: 36px;
    height: 36px;
}

.nav__logo-text {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-black);
    color: var(--color-text-white);
    letter-spacing: 0.05em;
}

/* Hamburger Toggle */
.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
    z-index: calc(var(--z-nav) + 1);
}

.nav__toggle-bar {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-white);
    transition: all var(--transition-base);
    border-radius: 2px;
}

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

.nav__toggle--active .nav__toggle-bar:nth-child(2) {
    opacity: 0;
}

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

/* Menu */
.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav__link {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
    position: relative;
}

.nav__link:hover,
.nav__link--active {
    color: var(--color-text-white);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-base);
}

.nav__link:hover::after,
.nav__link--active::after {
    width: 100%;
}

.nav__link--cta {
    background-color: var(--color-primary);
    color: var(--color-text-white) !important;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
}

.nav__link--cta::after {
    display: none;
}

.nav__link--cta:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-1px);
}

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

    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: var(--color-bg-dark);
        flex-direction: column;
        justify-content: center;
        padding: var(--space-2xl);
        transition: right var(--transition-slow);
        box-shadow: var(--shadow-xl);
    }

    .nav__menu--open {
        right: 0;
    }

    .nav__link {
        font-size: var(--font-size-lg);
        padding: var(--space-md) 0;
    }
}