/* =====================
   NAVBAR
   ===================== */

.navbar {
    position: sticky;
    top: 0;
    z-index: 200;
    width: 100%;
    height: 72px;
    background: rgba(17, 31, 53, 0.75);
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    border-bottom: 1px solid rgba(104, 90, 255, 0.1);
    transition: background 300ms ease, border-color 300ms ease;
}

.navbar-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* --- brand --- */

.navbar-logo {
    font-family: var(--font-mono);
    font-size: 22px;
    font-weight: 900;
    letter-spacing: 2px;
    text-decoration: none;
    color: #fefefe;
    background: linear-gradient(130deg, #fff 30%, var(--accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: opacity 200ms;
}

.navbar-logo:hover { opacity: 0.85; }

/* --- center links --- */

.navbar-links {
    position: absolute;
    top: 50%;
    left: 50%;
    display: flex;
    align-items: center;
    gap: 4px;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 5px;
    border-radius: var(--radius-pill);
}

.navbar-link {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 14px;
    letter-spacing: 0.3px;
    color: #909db4;
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    text-decoration: none;
    transition: color 200ms ease, background-color 200ms ease;
    white-space: nowrap;
}

.navbar-link:hover {
    color: #d0d8e8;
    background-color: rgba(255, 255, 255, 0.06);
}

.navbar-link.active {
    font-weight: 500;
    color: #fbfbfb;
    background-color: rgba(104, 90, 255, 0.35);
}

/* --- actions --- */

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar-login-button {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.3px;
    color: #fbfbfb;
    background: linear-gradient(135deg, #7b6dff 0%, var(--accent-dark) 100%);
    width: 110px;
    padding: 10px 0;
    border-radius: var(--radius-sm);
    text-decoration: none;
    text-align: center;
    box-shadow: 0 2px 12px rgba(104, 90, 255, 0.3);
    transition: transform 220ms cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 220ms ease;
}

.navbar-login-button:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 20px rgba(104, 90, 255, 0.45);
}

/* --- language dropdown --- */

.navbar-lang { position: relative; }

.navbar-lang-trigger {
    display: flex;
    align-items: center;
    gap: 7px;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    color: #7a8ba3;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px 4px;
    transition: color 200ms;
}

.navbar-lang-trigger:hover,
.navbar-lang:focus-within .navbar-lang-trigger {
    color: #fbfbfb;
}

.navbar-lang-flag {
    width: 18px !important;
    height: 13px !important;
    border-radius: 3px;
    object-fit: cover;
    opacity: 0.7;
    transition: opacity 200ms;
}

.navbar-lang-trigger:hover .navbar-lang-flag,
.navbar-lang:focus-within .navbar-lang-flag { opacity: 1; }

.navbar-lang-arrow {
    opacity: 0.5;
    transition: transform 220ms cubic-bezier(0.34, 1.56, 0.64, 1), opacity 200ms;
}

.navbar-lang-trigger:hover .navbar-lang-arrow,
.navbar-lang:focus-within .navbar-lang-arrow { opacity: 1; }

.navbar-lang:focus-within .navbar-lang-arrow {
    transform: rotate(180deg);
}

.navbar-lang-dropdown {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: calc(100% + 14px);
    right: 0;
    background: rgba(13, 22, 38, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(104, 90, 255, 0.18);
    border-radius: 12px;
    padding: 6px;
    gap: 2px;
    min-width: 94px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px) scale(0.96);
    transform-origin: top right;
    transition: opacity 180ms ease,
                transform 220ms cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

.navbar-lang:focus-within .navbar-lang-dropdown {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.navbar-lang-option {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    color: #7a8ba3;
    text-decoration: none;
    padding: 7px 10px;
    border-radius: 8px;
    transition: color 150ms, background-color 150ms;
}

.navbar-lang-option:hover {
    color: #fbfbfb;
    background-color: rgba(104, 90, 255, 0.2);
}

.navbar-lang-option:hover .navbar-lang-flag,
.navbar-lang-option.active .navbar-lang-flag { opacity: 1; }

.navbar-lang-option.active {
    color: #fbfbfb;
    background-color: rgba(104, 90, 255, 0.28);
}