.nav {
    position: sticky; top: 0; z-index: 1000;
    width: 100%; padding: 16px 0;
    background: rgba(253, 250, 248, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
    overflow: visible; /* important for dropdown */
}

/* metallic hairline — only shown once there's content scrolled underneath;
   a hard divider with nothing beneath it at scroll-top reads as a mistake */
.nav::before {
    content: "";
    position: absolute; top: 0; left: 0;
    height: 2px; width: 100%;
    background: linear-gradient(90deg, var(--pink-400), var(--chrome-300) 45%, #fff 50%, var(--chrome-300) 55%, var(--lav-400));
    opacity: 0;
    transition: opacity var(--dur-base) var(--ease-out-smooth);
}
.nav.scrolled::before { opacity: 1; }

.nav.scrolled {
    background: rgba(253, 250, 248, 0.97);
    box-shadow: 0 8px 32px rgba(192, 80, 154, 0.1);
    padding: 12px 0;
}

.wrap { width: 92%; max-width: 1200px; margin: 0 auto; }

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    position: relative;
}

/* ── BRAND ── */
.brand {
    display: flex; align-items: center; gap: 12px;
    text-decoration: none;
    font-family: 'DM Serif Display', serif;
    font-size: 1.45rem; color: #1a1018;
    letter-spacing: -0.5px;
    flex-shrink: 0;
}
.brand span { font-style: italic; color: var(--pink-600); }
.brand img {
    width: 42px; height: 42px; object-fit: contain; border-radius: 50%;
    border: 1px solid transparent;
    background: linear-gradient(#fff, #fff) padding-box, var(--metallic-border) border-box;
}

/* ── DESKTOP LINKS ── */
.nav-links {
    display: flex; align-items: center;
    gap: 4px; flex-wrap: wrap;
}

.nav-links a {
    text-decoration: none; color: var(--text-mid);
    font-size: 0.925rem; font-weight: 600;
    letter-spacing: 0.03em;
    padding: 8px 16px; border-radius: 999px;
    transition: all 0.25s ease;
    white-space: nowrap;
}
.nav-links a:hover {
    color: var(--text-dark);
    background: rgba(192, 80, 154, 0.07);
    transform: translateY(-1px);
}
.nav-links a:active {
    transform: scale(0.96);
    background: rgba(192, 80, 154, 0.12);
    transition-duration: var(--dur-instant);
    transition-timing-function: var(--ease-out-quick);
}
.nav-links a.active {
    background: var(--pink-100); color: var(--pink-600);
    font-weight: 600; border: 1px solid var(--pink-200);
}

/* ── HAMBURGER BUTTON ── */
.nav-toggle {
    display: none;
    flex-direction: column; justify-content: center;
    align-items: center; gap: 5px;
    width: 40px; height: 40px;
    background: transparent; border: none;
    cursor: pointer; padding: 4px;
    border-radius: 10px;
    transition: background 0.2s;
    flex-shrink: 0;
}
.nav-toggle:hover { background: rgba(192, 80, 154, 0.08); }
.nav-toggle:active {
    transform: scale(0.92);
    transition: transform var(--dur-instant) var(--ease-out-quick);
}

.nav-toggle span {
    display: block;
    width: 22px; height: 2px;
    background: var(--text-dark); border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease, width 0.3s ease;
    transform-origin: center;
}

/* animate to X when open */
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; width: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── MOBILE ── */
@media (max-width: 900px) {
    .nav-toggle { display: flex; }

    .brand {
        font-size: 1rem;
    }

    .brand img {
        width: 32px;
        height: 32px;
    }

    .nav-links {
        display: flex;
        position: absolute;
        top: calc(100% + 12px);
        left: 0; right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        background: rgba(253, 250, 248, 0.98);
        backdrop-filter: blur(20px);
        border: 1px solid rgba(180, 140, 170, 0.2);
        border-radius: 16px;
        padding: 12px;
        box-shadow: 0 16px 48px rgba(192, 80, 154, 0.12);
        transform-origin: top right; /* anchored to the hamburger button */
        opacity: 0;
        transform: scale(0.9) translateY(-8px);
        filter: blur(4px);
        visibility: hidden;
        pointer-events: none;
        transition: opacity var(--dur-base) var(--ease-spring-bounce),
                    transform var(--dur-base) var(--ease-spring-bounce),
                    filter var(--dur-fast) var(--ease-out-smooth),
                    visibility 0s linear var(--dur-base);
    }

    .nav-links.open {
        opacity: 1;
        transform: scale(1) translateY(0);
        filter: blur(0);
        visibility: visible;
        pointer-events: auto;
        transition: opacity var(--dur-base) var(--ease-spring-bounce),
                    transform var(--dur-base) var(--ease-spring-bounce),
                    filter var(--dur-fast) var(--ease-out-smooth),
                    visibility 0s linear 0s;
    }

    .nav-links a {
        padding: 12px 16px;
        border-radius: 10px;
        font-size: 0.95rem;
    }
}