/* Top Bar / Navigation Stilleri */
.topbar {
    background: #fefefe;
    padding: 1.2rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(0, 36, 79, 0.08);
}

.topbar .container {
    max-width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.topbar .logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-left: 2rem;
}

.topbar .logo img {
    height: 60px;
    width: auto;
}

.topbar .topbar-right {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.topbar .nav-menu {
    display: flex;
}

.topbar .nav-menu ul {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.topbar .nav-menu ul li.nav-divider {
    margin: 0;
}

.topbar .nav-menu a {
    color: #00244f;
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 0.95rem;
    position: relative;
    padding-bottom: 4px;
}

.topbar .nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #4c9fd4;
    transition: width 0.3s ease;
}

.topbar .nav-menu a:hover,
.topbar .nav-menu a.active {
    color: #4c9fd4;
}

.topbar .nav-menu a:hover::after,
.topbar .nav-menu a.active::after {
    width: 100%;
}

.topbar .topbar-contact {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.topbar .topbar-contact .cta-btn {
    background: #00244f;
    color: #fefefe;
    padding: 0.5rem 1.2rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.topbar .topbar-contact .cta-btn:hover {
    background: #4c9fd4;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(76, 159, 212, 0.4);
}

/* Hamburger Butonu - Desktop'ta gizli */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.4rem;
    color: #00244f;
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    transition: background 0.2s ease;
    flex-shrink: 0;
}

.hamburger:hover {
    background: rgba(0, 36, 79, 0.08);
}

/* Responsive */
@media (max-width: 1024px) {
    .topbar .nav-menu ul {
        gap: 1.5rem;
    }

    .topbar .topbar-contact .cta-btn {
        font-size: 0.82rem;
        padding: 0.45rem 0.9rem;
    }
}

@media (max-width: 768px) {
    /* Hamburger görünür - en solda */
    .hamburger {
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }

    .topbar .container {
        flex-direction: row;
        flex-wrap: nowrap;
        justify-content: space-between;
        align-items: center;
        gap: 0;
        padding: 0 1rem;
    }

    /* Logo ortada - flex ile */
    .topbar .logo {
        position: static;
        transform: none;
        padding-left: 0;
        flex: 1;
        display: flex;
        justify-content: center;
    }

    .topbar .logo img {
        height: 40px;
    }

    /* topbar-right sağda */
    .topbar .topbar-right {
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 0.4rem;
        flex-shrink: 0;
    }

    /* Nav menüsü hamburger ile açılır */
    .topbar .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #fefefe;
        box-shadow: 0 8px 24px rgba(0, 36, 79, 0.12);
        z-index: 999;
        border-top: 1px solid #e8f0f7;
    }

    .topbar .nav-menu.open {
        display: block;
    }

    .topbar .nav-menu ul {
        flex-direction: column;
        gap: 0;
        padding: 0.5rem 0;
    }

    .topbar .nav-menu ul li {
        width: 100%;
    }

    .topbar .nav-menu a {
        display: block;
        padding: 0.85rem 1.5rem;
        font-size: 1rem;
        border-bottom: 1px solid #f0f4f8;
    }

    .topbar .nav-menu a::after {
        display: none;
    }

    /* CTA butonu gizle */
    .topbar .topbar-contact .cta-btn {
        display: none;
    }

    .topbar .topbar-divider {
        display: none;
    }
}

@media (max-width: 480px) {
    .topbar .logo img {
        height: 34px;
    }

    .topbar .container {
        padding: 0 0.75rem;
    }
}