.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.1rem 8%;
    background: rgba(243, 232, 232, 0.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}

.navbar.scrolled {
    background: rgba(243, 232, 232, 0.96);
    border-bottom-color: var(--border);
    box-shadow: 0 4px 20px -2px rgba(59, 36, 52, 0.06);
    padding: 0.9rem 8%;
}

/* ── Logo ── */
.logo a {
    font-family: "Playfair Display", serif;
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: var(--grad-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
    transition: opacity 0.2s ease;
    display: inline-block;
}

.logo a:hover {
    opacity: 0.85;
}

/* ── Nav links ── */
.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    position: relative;
    font-family: "Inter", sans-serif;
    font-size: 0.86rem;
    font-weight: 500;
    color: var(--text-sub);
    letter-spacing: 0.1px;
    padding: 0.35rem 0.2rem;
    transition: color 0.25s ease;
    cursor: pointer;
}

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

.nav-links a.active {
    color: var(--accent);
    font-weight: 600;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: var(--grad-accent);
    border-radius: 2px;
    transition: width 0.25s ease, left 0.25s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
    left: 0;
}

/* ── Hamburger ── */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    position: relative;
    z-index: 1001;
    background: transparent;
    border: 1px solid transparent;
    outline: none;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.hamburger:hover {
    background: var(--bg-subtle);
    border-color: var(--border);
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-title);
    border-radius: 99px;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
    transform-origin: center;
}

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

/* ── Overlay backdrop (mobile only) ── */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(59, 36, 52, 0.35);
    backdrop-filter: blur(4px);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.nav-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

/* ── Responsive ── */
@media (max-width: 820px) {
    .hamburger { display: flex; }
    .nav-overlay { display: block; }

    .nav-links {
        position: fixed;
        top: 0;
        right: -105%;
        width: min(80vw, 300px);
        height: 100vh;
        background: var(--bg-alt);
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        padding: 3rem 2.5rem;
        gap: 0;
        border-left: 1px solid var(--border);
        box-shadow: -10px 0 30px rgba(59, 36, 52, 0.08);
        transition: right 0.35s cubic-bezier(0.22, 1, 0.36, 1);
        z-index: 999;
    }

    .nav-links.open { right: 0; }

    .nav-links li {
        width: 100%;
        border-bottom: 1px solid var(--border);
        padding: 0;
    }

    .nav-links li:first-child { border-top: 1px solid var(--border); }

    .nav-links a {
        display: block;
        width: 100%;
        padding: 1.1rem 0;
        font-size: 0.96rem;
    }

    .nav-links a::after { display: none; }
}