/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--navbar-height);
    display: flex;
    align-items: center;
    padding: 0 var(--space-lg);
    transition: all var(--transition-base);
    background: transparent;
}

.navbar.scrolled {
    background: var(--color-surface);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.navbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
}

/* Logo */
.navbar__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    position: relative;
    z-index: 1001;
}

.navbar__logo img {
    height: 50px;
    width: auto;
    transition: transform var(--transition-base);
}

.navbar__logo:hover img {
    transform: scale(1.05);
}

.navbar__logo-text {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text);
}

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

/* Hero variant - white text when transparent over hero */
.navbar--hero:not(.scrolled) .navbar__logo-text {
    color: var(--color-text-on-dark);
}

.navbar--hero:not(.scrolled) .navbar__link {
    color: rgba(250, 248, 243, 0.8);
}

.navbar--hero:not(.scrolled) .navbar__link:hover,
.navbar--hero:not(.scrolled) .navbar__link.active {
    color: var(--color-text-on-dark);
}

.navbar--hero:not(.scrolled) .navbar__hamburger span {
    background: var(--color-text-on-dark);
}

/* Nav links */
.navbar__menu {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.navbar__link {
    position: relative;
    padding: 0.5rem 1rem;
    font-family: var(--font-accent);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-light);
    transition: color var(--transition-fast);
}

.navbar__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: calc(100% - 2rem);
    height: 2px;
    background: var(--color-primary);
    transition: transform var(--transition-base);
    transform-origin: center;
}

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

.navbar__link:hover::after,
.navbar__link.active::after {
    transform: translateX(-50%) scaleX(1);
}

.navbar__cta {
    margin-left: var(--space-sm);
}

/* Hamburger */
.navbar__hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    cursor: pointer;
    position: relative;
    z-index: 1001;
    gap: 6px;
}

.navbar__hamburger span {
    display: block;
    width: 28px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition-base);
    transform-origin: center;
}

.navbar__hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.navbar__hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.navbar__hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* Mobile menu */
@media (max-width: 960px) {
    .navbar__hamburger {
        display: flex;
    }

    .navbar__menu {
        position: fixed;
        top: var(--navbar-height);
        right: 0;
        z-index: 1000;
        width: min(85vw, 400px);
        height: calc(100dvh - var(--navbar-height));
        flex-direction: column;
        justify-content: flex-start;
        gap: var(--space-sm);
        background: var(--color-surface);
        padding: var(--space-xl) var(--space-xl) var(--space-xl);
        transform: translateX(100%);
        transition: transform var(--transition-slow);
        box-shadow: none;
        overflow-y: auto;
    }

    .navbar__menu.open {
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    }

    .navbar__menu.open {
        transform: translateX(0);
    }

    .navbar__link {
        font-size: 1.1rem;
        padding: 0.8rem 1rem;
        width: 100%;
        text-align: left;
    }

    .navbar__link::after {
        left: 1rem;
        transform: scaleX(0);
        transform-origin: left;
        width: 30px;
    }

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

    .navbar__cta {
        margin-left: 0;
        margin-top: var(--space-md);
        width: 100%;
    }

    .navbar__cta .btn {
        width: 100%;
    }

    /* Overlay */
    .navbar__overlay {
        position: fixed;
        top: var(--navbar-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.6);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        z-index: 999;
    }

    .navbar__overlay.visible {
        opacity: 1;
        visibility: visible;
    }
}

@media (min-width: 961px) {
    .navbar__overlay {
        display: none;
    }
}

/* Language Switcher */
.navbar__lang {
    position: relative;
    margin-left: var(--space-sm);
    z-index: 1002;
}

.navbar__lang-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0.4rem 0.6rem;
    font-family: var(--font-accent);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-light);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.navbar__lang-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.navbar__lang-btn svg {
    transition: transform var(--transition-fast);
}

.navbar__lang.open .navbar__lang-btn svg {
    transform: rotate(180deg);
}

.navbar__lang-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 50px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: all var(--transition-fast);
}

.navbar__lang.open .navbar__lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.navbar__lang-option {
    display: block;
    padding: 0.5rem 0.8rem;
    font-family: var(--font-accent);
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-light);
    text-align: center;
    transition: all var(--transition-fast);
}

.navbar__lang-option:hover {
    background: var(--color-bg-alt);
    color: var(--color-primary);
}

.navbar__lang-option.active {
    color: var(--color-primary);
    font-weight: 700;
}

/* Hero variant for lang switcher */
.navbar--hero:not(.scrolled) .navbar__lang-btn {
    color: rgba(250, 248, 243, 0.8);
    border-color: rgba(250, 248, 243, 0.3);
}

.navbar--hero:not(.scrolled) .navbar__lang-btn:hover {
    color: var(--color-text-on-dark);
    border-color: var(--color-text-on-dark);
}

/* Hero variant: dark text when mobile menu is open */
@media (max-width: 960px) {
    .navbar--hero .navbar__menu.open .navbar__link {
        color: var(--color-text-light);
    }

    .navbar--hero .navbar__menu.open .navbar__link:hover,
    .navbar--hero .navbar__menu.open .navbar__link.active {
        color: var(--color-text);
    }

    .navbar--hero .navbar__hamburger.active span {
        background: var(--color-text);
    }
}

/* Mobile lang switcher */
@media (max-width: 960px) {
    .navbar__lang {
        position: static;
        margin-left: 0;
        margin-top: 0;
        margin-bottom: var(--space-md);
        width: 100%;
        order: -1;
    }

    .navbar__lang-btn {
        width: 100%;
        justify-content: center;
    }

    .navbar__lang-dropdown {
        position: static;
        transform: none;
        box-shadow: none;
        border: none;
        display: none;
        flex-wrap: wrap;
        gap: var(--space-xs);
        justify-content: center;
        margin-top: var(--space-xs);
    }

    .navbar__lang.open .navbar__lang-dropdown {
        display: flex;
    }
}