nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: 68px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid transparent;
    transition: border-color .3s, background .3s, backdrop-filter .3s;
}

nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

nav.scrolled {
    background: rgba(247,245,240,0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-color: var(--rule);
}

.nav-logo {
    font-family: 'DM Serif Display', serif;
    font-size: 22px;
    letter-spacing: -0.02em;
    color: var(--ink);
    text-decoration: none;
}

.nav-logo span {
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--muted);
    font-size: 13.5px;
    font-weight: 400;
    letter-spacing: 0.01em;
    transition: color .2s;
}

.nav-links a:hover {
    color: var(--ink);
}

.nav-links a.active {
    color: var(--ink);
}

.nav-cta {
    background: var(--ink) !important;
    color: var(--paper) !important;
    padding: 9px 20px !important;
    border-radius: var(--radius-sm);
    font-weight: 500 !important;
    font-size: 13px !important;
    transition: background .2s, transform .15s !important;
}

.nav-cta:hover {
    background: var(--accent) !important;
    transform: translateY(-1px);
}

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    border: none;
    background: none;
}

.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: transform .3s, opacity .3s;
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        background: var(--paper);
        border-bottom: 1px solid var(--rule);
        flex-direction: column;
        gap: 0;
        padding: 16px 0;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 12px 24px;
        font-size: 15px;
    }

    .nav-cta {
        margin: 8px 24px 4px !important;
        text-align: center;
        display: block;
    }

    .nav-hamburger {
        display: flex;
    }
}