.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 18px 0;
    transition: var(--transition);
    backdrop-filter: blur(25px);
    border-bottom: 1px solid rgba(102, 126, 234, 0.08);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.navbar.scrolled {
    backdrop-filter: blur(30px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(102, 126, 234, 0.15);
    padding: 15px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    font-size: 2rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition);
    letter-spacing: -0.01em;
}

.navbar.scrolled .nav-logo h2 {
    color: var(--text-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
    backdrop-filter: blur(20px);
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.05rem;
    position: relative;
    padding: 12px 0;
    transition: var(--transition);
}

.nav-link:hover {
    color: #667eea;
    transform: translateY(-1px);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--accent-gradient);
    transition: var(--transition);
    border-radius: 2px;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 3px;
}

.navbar.scrolled .bar {
    background: var(--text-primary);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.active .bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 60px;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(25px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 30px 0;
        gap: 20px;
        border-top: 1px solid rgba(102, 126, 234, 0.1);
        z-index: 1001;
    }
    .nav-menu.active {
        left: 0;
    }
    .nav-menu .nav-link {
        color: var(--text-primary);
        font-size: 1.1rem;
        padding: 18px 0;
    }
    .nav-logo h2 {
        font-size: 1.3rem;
    }
}
@media (max-width: 480px) {
    .nav-logo h2 {
        font-size: 1rem;
    }
    .nav-menu .nav-link {
        font-size: 1rem;
        padding: 14px 0;
    }
}