/* ============================================
   Navigation styles — extracted from styles.css
   ============================================ */

/* ============================================
   Navigation
   ============================================ */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 1000;
    transition: all var(--transition-medium);
}

#navbar.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    z-index: 1001;
    min-height: 44px;
}

.logo-img {
    height: 32px;
    width: auto;
}

/* Nav Links — flex between logo and actions */
.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    flex: 1;
    min-width: 0;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    position: relative;
    padding: 4px 0;
    white-space: nowrap;
    flex-shrink: 0;
    cursor: pointer;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--gradient-main);
    border-radius: 1px;
    transition: width var(--transition-medium);
}

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

.nav-link:hover::after {
    width: 100%;
}

/* Active state */
.nav-link.active {
    color: var(--text-primary);
}

.nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-shrink: 0;
}

/* Dropdown */
.nav-dropdown {
    position: relative;
    flex-shrink: 0;
}

.nav-dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
}

.dropdown-arrow {
    transition: transform var(--transition-medium);
    opacity: 0.5;
}

.nav-dropdown:hover .dropdown-arrow,
.nav-dropdown.open .dropdown-arrow {
    transform: rotate(180deg);
    opacity: 1;
}

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%);
    min-width: 260px;
    background: rgba(14, 14, 22, 0.95);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(8px);
    transition: all var(--transition-medium);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown.open .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-item {
    display: block;
    padding: 10px 16px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 8px;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.dropdown-item:hover {
    background: var(--accent-subtle);
    color: var(--accent-light);
}

/* Burger — hidden desktop */
.nav-burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    z-index: 1001;
    padding: 4px;
    flex-shrink: 0;
}

.nav-burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-medium);
    transform-origin: center;
}

/* Mobile/Desktop visibility helpers */
.nav-mobile-only {
    display: none;
}

.nav-desktop-only {
    display: inline-flex;
}

/* Nav backed-by logos */
.nav-backed {
    margin-top: 0;
    gap: 10px;
    overflow: hidden;
}

.nav-backed .backed-logo {
    height: 22px;
}

/* ============================================
   Tablet (≤1024px)
   ============================================ */
@media (max-width: 1024px) {
    .nav-links {
        gap: 24px;
    }
}

/* ============================================
   Mobile (≤768px)
   ============================================ */
@media (max-width: 768px) {
    /* --- Nav bar --- */
    .logo-img {
        height: 26px;
    }

    .nav-container {
        padding: 0 12px;
        gap: 12px;
    }

    /* Nav links — horizontal scroll between logo & burger */
    .nav-links {
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        gap: 20px;
        mask-image: linear-gradient(to right, transparent 0, black 8px, black calc(100% - 8px), transparent 100%);
        -webkit-mask-image: linear-gradient(to right, transparent 0, black 8px, black calc(100% - 8px), transparent 100%);
    }

    .nav-links::-webkit-scrollbar {
        display: none;
    }

    .nav-link {
        font-size: 0.8rem;
        padding: 10px 0;
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    /* Hide dropdown on mobile nav bar (it's in the burger) */
    .nav-dropdown {
        display: none;
    }

    /* Hide CTA button */
    .nav-actions {
        display: none;
    }

    /* Show burger */
    .nav-burger {
        display: flex;
    }

    .nav-burger.open span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-burger.open span:nth-child(2) {
        opacity: 0;
    }

    .nav-burger.open span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    /* --- Fullscreen burger menu --- */
    .nav-fullscreen {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 10, 15, 0.97);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        z-index: 998;
        overflow-y: auto;
    }

    .nav-fullscreen.open {
        display: flex;
    }

    .nav-fullscreen-inner {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        min-height: 100%;
        padding: 100px 32px 40px;
        gap: 20px;
    }

    .nav-fs-link {
        font-size: 1.5rem;
        font-weight: 700;
        color: var(--text-primary);
        padding: 8px 0;
        transition: color var(--transition-fast);
    }

    .nav-fs-link:hover {
        color: var(--accent-light);
    }

    .nav-fs-group {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 8px;
        margin-top: 8px;
    }

    .nav-fs-label {
        font-size: 1.5rem;
        font-weight: 700;
        color: var(--text-primary);
        padding: 8px 0 0;
    }

    .nav-fs-sublink {
        font-size: 1rem;
        color: var(--text-secondary);
        padding: 4px 0;
        transition: color var(--transition-fast);
    }

    .nav-fs-sublink:hover {
        color: var(--accent-light);
    }

    .btn-fs-cta {
        margin-top: 24px;
        padding: 16px 36px;
        font-size: 1.1rem;
        border-radius: 14px;
    }

    /* Nav visibility */
    .nav-mobile-only {
        display: inline-flex;
    }

    .nav-desktop-only {
        display: none;
    }

    /* Fullscreen menu (duplicate for specificity) */
    .nav-fullscreen {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 10, 15, 0.97);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        z-index: 998;
        overflow-y: auto;
    }

    .nav-fullscreen.open {
        display: flex;
    }
}

/* ============================================
   Small phones (≤400px)
   ============================================ */
@media (max-width: 400px) {
    .nav-link {
        font-size: 0.75rem;
    }

    .nav-fs-link,
    .nav-fs-label {
        font-size: 1.3rem;
    }
}