/* ===================================
   NAVIGATION COMPONENT
   =================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.nav__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
    padding: 0.5rem 0;
}

/* Logo */
.nav__logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

.nav__logo-icon {
    width: 2rem;
    height: 2rem;
    background-color: var(--color-accent);
    border-radius: var(--custom-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav__logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.nav__logo-title {
    font-weight: var(--font-bold);
    font-size: 1.125rem;
    letter-spacing: -0.025em;
    color: var(--color-secondary);
}

.nav__logo-subtitle {
    font-size: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-text);
    font-weight: var(--font-bold);
}

/* Desktop Menu */
.nav__menu {
    display: none;
}

@media (min-width: 768px) {
    .nav__menu {
        display: flex;
        align-items: center;
        gap: 2rem;
    }
}

.nav__link {
    color: rgba(47, 47, 47, 0.8);
    font-size: 1rem;
    font-weight: var(--font-semibold);
    transition: color var(--transition-fast);
    padding: 1rem 0;
}

.nav__link:hover {
    color: var(--color-accent);
}

/* Dropdown Menu */
.nav__dropdown {
    position: relative;
}

.nav__dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    color: rgba(47, 47, 47, 0.8);
    font-size: 1rem;
    font-weight: var(--font-semibold);
    transition: color var(--transition-fast);
    padding: 1rem 0;
}

.nav__dropdown-toggle:hover {
    color: var(--color-accent);
}

.nav__dropdown-menu {
    display: none;
    position: absolute;
    background-color: white;
    border: 1px solid var(--color-border);
    border-radius: var(--custom-radius-sm);
    box-shadow: var(--shadow-2xl);
    margin-top: 0;
    overflow: hidden;
}

.nav__dropdown:hover .nav__dropdown-menu {
    display: block;
}

/* Language Toggle */
.nav__lang-toggle {
    color: var(--color-text);
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav__lang-toggle:hover {
    color: var(--color-accent);
}

/* CTA Button */
.nav__cta {
    background-color: var(--color-accent);
    color: white;
    font-weight: var(--font-bold);
    padding: 0.5rem 1.25rem;
    border-radius: var(--custom-radius-sm);
    transition: background-color var(--transition-fast);
    font-size: 0.875rem;
}

.nav__cta:hover {
    background-color: var(--color-hover);
}

/* Mobile Actions (Toggle + CTA) */
.nav__actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

@media (min-width: 768px) {
    .nav__actions {
        display: none;
    }
}

/* Mobile Menu Toggle */
.nav__mobile-toggle {
    display: block;
    color: var(--color-secondary);
    font-size: 1.5rem;
}

@media (min-width: 768px) {
    .nav__mobile-toggle {
        display: none;
    }
}

/* Mobile Menu */
.nav__mobile-menu {
    position: fixed;
    top: 4rem;
    left: 0;
    width: 100%;
    height: calc(100vh - 4rem);
    overflow-y: auto;
    transition: transform var(--transition-slow);
    transform: translateX(-100%);
    background-color: white;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-2xl);
}

.nav__mobile-menu.open {
    transform: translateX(0);
}

.nav__mobile-menu-content {
    padding: 2rem 1.5rem;
}

.nav__mobile-link {
    display: block;
    font-size: 1.25rem;
    font-weight: var(--font-bold);
    color: var(--color-secondary);
    margin-bottom: 1.5rem;
    transition: color var(--transition-fast);
}

.nav__mobile-link:hover {
    color: var(--color-accent);
}

/* Mobile Dropdown Section */
.nav__mobile-dropdown {
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 1rem;
}

.nav__mobile-dropdown-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 1.25rem;
    font-weight: var(--font-bold);
    color: var(--color-secondary);
    margin-bottom: 0;
    cursor: pointer;
    padding: 0.75rem 0;
    transition: color var(--transition-fast);
}

.nav__mobile-dropdown-title:hover {
    color: var(--color-accent);
}

.nav__mobile-dropdown-title i {
    transition: transform var(--transition-fast);
    font-size: 1rem;
}

.nav__mobile-dropdown-title.active i {
    transform: rotate(180deg);
}

.nav__mobile-dropdown-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
}

.nav__mobile-dropdown-content.open {
    max-height: 2000px;
    transition: max-height 0.6s ease-in;
}

.nav__mobile-dropdown-link {
    display: block;
    font-size: 1rem;
    font-weight: var(--font-medium);
    color: var(--color-text);
    margin-bottom: 0.75rem;
    margin-left: 1rem;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
}

.nav__mobile-dropdown-link:hover {
    color: var(--color-accent);
}

/* Mobile Dropdown Subsections */
.nav__mobile-dropdown-subsection {
    margin-bottom: 1.5rem;
    margin-left: 1rem;
}

.nav__mobile-dropdown-subsection-title {
    font-size: 0.75rem;
    font-weight: var(--font-bold);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
    margin-top: 1rem;
}