.navbar {
    background: white;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 18px 0;
    border-bottom: 1px solid #eef2ff;
}
.nav-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}
.logo {
    font-size: 1.7rem;
    font-weight: 800;
    background: linear-gradient(135deg, #1e293b, #2563eb);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}
.nav-links {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
    align-items: center;
}
.nav-links a {
    text-decoration: none;
    font-weight: 500;
    color: #1e293b;
    transition: 0.2s;
}
.nav-links a:hover {
    color: #2563eb;
}
.btn-outline-nav {
    border: 1.5px solid #2563eb;
    padding: 6px 18px;
    border-radius: 40px;
    background: white;
    color: #2563eb;
}
.btn-outline-nav:hover {
    background: #2563eb;
    color: white;
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}
.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: #1e293b;
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }