/* Header Stilleri */
.main-header {
    background: #ffffff;
    padding: 1rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: background 0.3s ease;
}

.main-header.scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.header-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
}

.brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    background: linear-gradient(to right, #0f172a, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-list {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-list a {
    color: #1f2937;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-list a:hover {
    color: var(--primary-color);
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

.nav-button {
    background: var(--primary-color);
    color: #fff;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-button:hover {
    background: var(--primary-color-dark);
    transform: translateY(-2px);
}

.mobile-menu-button {
    display: none;
    background: none;
    border: none;
    color: #1f2937;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-button svg {
    width: 24px;
    height: 24px;
}

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

@media (max-width: 768px) {
    .mobile-menu-button {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        padding: 1rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    }

    .main-nav.active {
        transform: translateX(0);
    }

    .nav-list {
        flex-direction: column;
        width: 100%;
        gap: 1rem;
    }

    .nav-button {
        width: 100%;
        text-align: center;
    }
}