/*
 * Navbar Component Styles (Base Layout)
 *
 * Dependencies:
 * - anthropic-brand.css (theme tokens)
 *
 * Structure:
 * .navbar
 *   .navbar-container
 *     .navbar-logo
 *     .navbar-menu
 *     .navbar-auth
 *     .navbar-toggle
 *   .navbar-mobile
 */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(251, 248, 241, 0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: box-shadow 0.2s ease;
}

.navbar.scrolled {
    box-shadow: 0 10px 24px rgba(20, 20, 19, 0.08);
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.navbar-logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 19px;
    letter-spacing: 0.08em;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-icon {
    width: 38px;
    height: 38px;
    border-radius: 0;
    display: grid;
    place-items: center;
    background: transparent;
}

.logo-icon img {
    width: 32px;
    height: 32px;
    display: block;
}

.navbar-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 28px;
    margin: 0;
    padding: 0;
}

.navbar-item {
    display: inline-flex;
}

.navbar-products-menu {
    position: relative;
    align-items: center;
}

.navbar-caret {
    margin-left: 4px;
    font-size: 12px;
}

.navbar-products-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    z-index: 30;
    display: grid;
    min-width: 190px;
    padding: 8px;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    box-shadow: 0 12px 28px rgba(0, 0, 0, .12);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}

.navbar-products-dropdown::before {
    content: "";
    position: absolute;
    top: -8px;
    right: 0;
    left: 0;
    height: 8px;
}

.navbar-products-menu:hover .navbar-products-dropdown,
.navbar-products-menu:focus-within .navbar-products-dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}

.navbar-products-dropdown a {
    display: block;
    padding: 9px 10px;
    color: var(--text-primary);
    font-size: 13px;
    white-space: nowrap;
    text-decoration: none;
}

.navbar-products-dropdown a:hover,
.navbar-products-dropdown a:focus {
    background: var(--bg-tertiary);
    color: var(--accent-orange);
}

.navbar-mobile-product-links {
    display: grid;
    gap: 4px;
    padding-left: 14px;
}

.navbar-link {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    position: relative;
    transition: color 0.2s ease;
    padding: 6px 0;
}

.navbar-link:hover,
.navbar-link:focus {
    color: var(--accent-orange);
}

.navbar-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-orange), var(--accent-blue));
    transition: width 0.2s ease;
}

.navbar-link:hover::after,
.navbar-link:focus::after {
    width: 100%;
}

.navbar-auth {
    display: inline-flex;
    align-items: center;
    gap: 16px;
}

.navbar-lang {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.navbar-lang:hover,
.navbar-lang:focus {
    color: var(--accent-orange);
    border-color: var(--accent-orange);
}

.navbar-login {
    padding: 8px 16px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
    font-weight: 600;
    transition: all 0.2s ease;
}

.navbar-login:hover,
.navbar-login:focus {
    border-color: var(--accent-orange);
    color: var(--accent-orange);
}

.navbar-user {
    font-weight: 600;
    color: var(--text-primary);
}

.navbar-logout {
    color: var(--accent-orange);
    font-weight: 600;
}

.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background-color: var(--bg-tertiary);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.navbar-toggle:hover {
    border-color: var(--accent-orange);
}

.navbar-toggle-icon {
    width: 18px;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 999px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.navbar-toggle.active .navbar-toggle-icon:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.navbar-toggle.active .navbar-toggle-icon:nth-child(2) {
    opacity: 0;
}

.navbar-toggle.active .navbar-toggle-icon:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

.navbar-mobile {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 16px 24px rgba(20, 20, 19, 0.08);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: all 0.2s ease;
}

.navbar-mobile.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.navbar-mobile-menu {
    list-style: none;
    padding: 16px 24px 24px;
    margin: 0;
    display: grid;
    gap: 12px;
}

.navbar-mobile-link {
    display: block;
    padding: 10px 12px;
    border-radius: 10px;
    font-family: var(--font-heading);
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.navbar-mobile-link:hover,
.navbar-mobile-link:focus {
    border-color: var(--accent-orange);
    color: var(--accent-orange);
}

.navbar-mobile-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 8px 0;
}

@media (max-width: 960px) {
    .navbar-menu,
    .navbar-auth {
        display: none;
    }

    .navbar-toggle {
        display: inline-flex;
    }
}

@media (max-width: 640px) {
    .navbar-container {
        padding: 14px 16px;
    }

    .navbar-logo {
        font-size: 18px;
    }

    .logo-icon {
        width: 34px;
        height: 34px;
    }
}