/* Navigation Styles */
nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
    padding: 1.2rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-title {
    font-size: 1.8rem;
    font-weight: 760;
    color: var(--primary);
}

/* Make the nav title itself a link look like a logo/title */
.nav-title a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 760;
    display: inline-block;
}

.nav-title a:hover {
    color: var(--accent);
    text-decoration: none;
}

.nav-links a {
    color: #4b5cfb;
    text-decoration: none;
}

.nav-links a:hover {
    color: var(--accent);
    text-decoration: underline;
}

nav:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

nav.scrolled {
    background: rgba(248, 249, 252, 0.7);
}

/* Hamburger / collapsed menu styles */
.nav-header {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-toggle {
    display: none;
    background: transparent;
    border: 0;
    padding: 8px;
    cursor: pointer;
    border-radius: 8px;
}

.nav-toggle:focus {
    outline: 2px solid rgba(75,92,251,0.18);
}

.hamburger,
.hamburger::before,
.hamburger::after {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    position: relative;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
}

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

/* When open, rotate lines into an X */
.nav-toggle.open .hamburger { background: transparent; }
.nav-toggle.open .hamburger::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open .hamburger::after { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 0.6rem;
        align-items: center;
        padding: 0.8rem 4%;
    }

    .nav-title {
        font-size: 1.4rem;
        margin-bottom: 0.2rem;
    }

    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 0.6rem;
        padding: 0.8rem 0;
        text-align: center;
    }

    /* When the menu is open, show links as vertical list */
    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        display: block;
        padding: 8px 12px;
        font-size: 1rem;
        width: 100%;
    }

    .nav-toggle { display: inline-flex; }
}