/* ════════════════════ NAV ════════════════════ */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(245,244,240,.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}
body.nav-mobile-open {
    overflow: hidden;
}
.nav__inner {
    max-width: 1160px; width: 100%; margin: 0 auto;
    padding: 0 2rem; height: var(--nav-h);
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.nav__brand {
    display: flex; align-items: center;
    text-decoration: none; color: var(--ink);
    flex-shrink: 0;
}
.nav__name { font-family: var(--ff-serif); font-size: 1.1rem; line-height: 1; }

/* Desktop links */
.nav__links {
    display: flex; align-items: center; gap: .1rem;
    list-style: none; margin: 0; padding: 0;
}
.nav__links > li { position: relative; }

.nav__links > li > a,
.nav__drop-btn {
    font-size: .875rem; font-weight: 400; color: var(--ink-soft);
    text-decoration: none; background: none; border: none; cursor: pointer;
    padding: .45rem .75rem; border-radius: var(--radius);
    display: flex; align-items: center; gap: .25rem;
    font-family: var(--ff-sans); line-height: 1;
    transition: background .15s, color .15s;
    white-space: nowrap;
}
.nav__links > li > a:hover,
.nav__drop-btn:hover,
.nav__drop-wrap.open > .nav__drop-btn { background: var(--border); color: var(--ink); }

/* Chevron */
.nav__drop-btn svg { transition: transform .2s; flex-shrink: 0; }
.nav__drop-wrap.open > .nav__drop-btn svg { transform: rotate(180deg); }

/* Dropdown panel */
.nav__dropdown {
    position: absolute; top: calc(100% + 6px); left: 0;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 8px 24px rgba(14,17,23,.1);
    min-width: 190px; list-style: none; padding: .3rem 0;
    opacity: 0; visibility: hidden;
    transform: translateY(-4px);
    transition: opacity .15s, transform .15s, visibility .15s;
    z-index: 200;
}
.nav__drop-wrap.open > .nav__dropdown {
    opacity: 1; visibility: visible; transform: translateY(0);
}
.nav__dropdown li a {
    display: block; padding: .5rem 1rem;
    font-size: .85rem; color: var(--ink-soft);
    text-decoration: none; white-space: nowrap;
    transition: color .1s, background .1s;
    display: flex; align-items: center; gap: .5rem;
}
.nav__dropdown li a:hover { color: var(--ink); background: var(--surface); }

.nav__dropdown--wide { min-width: 230px; }

.nav__dropdown-divider {
    height: 1px; background: var(--border);
    margin: .25rem 0; padding: 0 !important;
}

.nav__dropdown-label {
    padding: .4rem 1rem .15rem;
    font-size: .68rem; font-family: 'Space Mono', monospace;
    text-transform: uppercase; letter-spacing: .09em;
    color: var(--ink-soft); opacity: .6;
    pointer-events: none;
}

.nav__dropdown-badge {
    margin-left: auto;
    font-size: .65rem; font-family: 'Space Mono', monospace;
    color: var(--signal); opacity: .8;
    white-space: nowrap; flex-shrink: 0;
}

.nav__mobile-label {
    display: block;
    padding: .5rem 2.75rem .2rem;
    font-size: .68rem; font-family: 'Space Mono', monospace;
    text-transform: uppercase; letter-spacing: .09em;
    color: var(--ink-soft); opacity: .6;
}

/* CTA */
.nav__cta {
    font-size: .875rem; font-weight: 500; color: var(--white);
    background: var(--signal); text-decoration: none;
    padding: .45rem 1.1rem; border-radius: var(--radius);
    transition: background .15s; white-space: nowrap; flex-shrink: 0;
}
.nav__cta:hover { background: var(--signal-dk); }

.nav__user-wrap { position: relative; flex-shrink: 0; }
.nav__user-btn {
    font-size: .875rem; font-weight: 500; color: var(--white);
    background: var(--signal);
    border: none; border-radius: var(--radius);
    padding: .45rem .9rem;
    display: inline-flex; align-items: center; gap: .35rem;
    cursor: pointer; font-family: var(--ff-sans);
    max-width: 220px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.nav__user-btn:hover { background: var(--signal-dk); }
.nav__user-btn svg { transition: transform .2s; }
.nav__user-wrap.open .nav__user-btn svg { transform: rotate(180deg); }

.nav__user-menu {
    position: absolute; top: calc(100% + 6px); right: 0;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 8px 24px rgba(14,17,23,.1);
    min-width: 170px; padding: .3rem 0;
    opacity: 0; visibility: hidden; transform: translateY(-4px);
    transition: opacity .15s, transform .15s, visibility .15s;
    z-index: 220;
}
.nav__user-wrap.open .nav__user-menu {
    opacity: 1; visibility: visible; transform: translateY(0);
}
.nav__user-menu a,
.nav__user-menu button {
    width: 100%;
    display: block;
    padding: .5rem 1rem;
    text-align: left;
    font-size: .85rem;
    color: var(--ink-soft);
    text-decoration: none;
    background: transparent;
    border: none;
    font-family: var(--ff-sans);
    cursor: pointer;
}
.nav__user-menu a:hover,
.nav__user-menu button:hover {
    color: var(--ink);
    background: var(--surface);
}

/* ── Hamburger ── */
.nav__burger {
    display: none; flex-direction: column; gap: 5px;
    cursor: pointer; padding: .5rem; background: none; border: none;
    flex-shrink: 0;
}
.nav__burger span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 1px; transition: .25s; }

/* ── Mobile overlay ── */
.nav__mobile {
    display: none;
    position: fixed; top: var(--nav-h); left: 0; right: 0; bottom: 0;
    width: 100%;
    max-width: 100vw;
    background: var(--surface); z-index: 300;
    flex-direction: column; overflow-y: auto; overflow-x: hidden;
    border-top: 1px solid var(--border);
    box-sizing: border-box;
    overscroll-behavior: contain;
}
.nav__mobile.open { display: flex; }

.nav__mobile > a {
    font-size: .95rem; color: var(--ink-soft); text-decoration: none;
    padding: .85rem 2rem; border-bottom: 1px solid var(--border);
    display: block;
}
.nav__mobile > a:hover { color: var(--ink); background: rgba(14,17,23,.03); }

/* Mobile accordion */
.nav__mobile-section {
    width: 100%; background: none; border: none;
    border-bottom: 1px solid var(--border);
    padding: .85rem 2rem; text-align: left; cursor: pointer;
    font-size: .95rem; color: var(--ink-soft); font-family: var(--ff-sans);
    display: flex; align-items: center; justify-content: space-between;
}
.nav__mobile-section svg { transition: transform .2s; }
.nav__mobile-section.open svg { transform: rotate(180deg); }
.nav__mobile-section:hover { color: var(--ink); background: rgba(14,17,23,.03); }

.nav__mobile-sub { display: none; flex-direction: column; background: var(--white); }
.nav__mobile-sub.open { display: flex; }
.nav__mobile-sub a {
    font-size: .9rem; color: var(--ink-soft); text-decoration: none;
    padding: .7rem 2.75rem; border-bottom: 1px solid var(--border);
    display: block;
}
.nav__mobile-sub a:hover { color: var(--ink); }
.nav__mobile-sub a:last-child { border-bottom: none; }

.nav__mobile-cta,
.nav__mobile > a.nav__mobile-cta {
    margin: 1.25rem 2rem 2rem;
    background: var(--signal); color: var(--white);
    text-align: center; border-radius: var(--radius);
    padding: .8rem 1rem; font-weight: 500; font-size: .95rem;
    text-decoration: none; display: block;
    box-sizing: border-box;
}
.nav__mobile-cta:hover,
.nav__mobile > a.nav__mobile-cta:hover { background: var(--signal-dk); color: var(--white); }

.nav__mobile-form {
    width: 100%;
    padding: 0 2rem max(1.5rem, env(safe-area-inset-bottom));
    margin: -.8rem 0 0;
    box-sizing: border-box;
}
.nav__mobile-form .nav__mobile-cta,
.nav__mobile-form .nav__mobile-cta:hover {
    width: auto;
    margin: 0;
    border: 0;
    background: transparent;
    color: var(--signal);
    font-family: var(--ff-sans);
    font-size: .9rem;
    font-weight: 500;
    text-align: left;
    padding: .4rem 0;
    cursor: pointer;
    border-radius: 0;
}
.nav__mobile-form .nav__mobile-cta:hover {
    background: transparent;
    color: var(--signal);
    text-decoration: underline;
    text-underline-offset: 3px;
}

@media (max-width: 768px) {
    .nav__inner {
        padding: 0 clamp(1rem, 5vw, 1.5rem);
    }
    .nav__brand {
        min-width: 0;
    }
    .nav__name {
        display: block;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .nav__links, .nav__cta { display: none; }
    .nav__user-wrap { display: none; }
    .nav__burger { display: flex; }
}

@media (max-width: 420px) {
    .nav__mobile > a,
    .nav__mobile-section {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
    .nav__mobile-sub a,
    .nav__mobile-label {
        padding-left: 1.75rem;
        padding-right: 1.25rem;
    }
    .nav__mobile-cta {
        margin-left: 1.25rem;
        margin-right: 1.25rem;
    }
    .nav__mobile-form {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
}