/* ═══════════════════════════════════════════════════════════════════
   WANDR — Shared top navigation component
   Self-contained. Injected by nav.js into <div id="site-nav">.
   Namespaced under .wnav-* so it never collides with page styles.
   Single source of truth for the menu on every page.
   ═══════════════════════════════════════════════════════════════════ */
:root {
    --wnav-bg: #FAFAF7;
    --wnav-ink: #0A0A0A;
    --wnav-teal: #0DB89E;
    --wnav-teal-bright: #44D1C2;
    --wnav-ease: cubic-bezier(0.65, 0, 0.35, 1);
}

/* ── Floating top bar ───────────────────────────────────────────── */
.wnav {
    position: fixed;
    top: 16px;
    left: 0; right: 0;
    padding: 0 48px;
    z-index: 90;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 56px;
    pointer-events: none;
    font-family: 'JetBrains Mono', ui-monospace, monospace;
}
.wnav > * { pointer-events: auto; }

/* ── Logo mark (no background — the logo itself swaps colour) ────── */
.wnav-mark {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.wnav-mark img { display: block; height: 22px; width: auto; }

/* ── Center nav pill ────────────────────────────────────────────── */
.wnav-links {
    display: inline-flex;
    align-items: center;
    gap: 32px;
    background: var(--wnav-bg);
    padding: 12px 22px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}
.wnav-links a {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--wnav-ink);
    text-decoration: none;
    position: relative;
    transition: color 0.25s;
    white-space: nowrap;
}
.wnav-links a::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: -4px;
    height: 1.5px;
    background: var(--wnav-teal);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s var(--wnav-ease);
}
.wnav-links a:hover { color: var(--wnav-teal-bright); }
.wnav-links a:hover::after,
.wnav-links a.is-active::after { transform: scaleX(1); }
.wnav-links a.is-active { color: var(--wnav-ink); }

/* ── Desktop dropdowns (Services / Industries / Case Studies) ───── */
.wnav-item { position: relative; display: inline-flex; align-items: center; }
.wnav-parent { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.wnav-caret {
    width: 0; height: 0;
    border-left: 3.5px solid transparent;
    border-right: 3.5px solid transparent;
    border-top: 4px solid currentColor;
    opacity: 0.65;
    transition: transform 0.25s var(--wnav-ease);
}
.wnav-item:hover .wnav-caret { transform: rotate(180deg); }

.wnav-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding-top: 16px;          /* transparent bridge so hover doesn't drop */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s var(--wnav-ease);
    z-index: 95;
}
.wnav-item:hover .wnav-dropdown,
.wnav-item:focus-within .wnav-dropdown { opacity: 1; visibility: visible; }
.wnav-dropdown-inner {
    background: var(--wnav-bg);
    border: 1.5px solid var(--wnav-ink);
    padding: 6px;
    display: flex;
    flex-direction: column;
    min-width: 248px;
    box-shadow: 0 14px 36px rgba(10, 10, 10, 0.14);
}
.wnav-dropdown-inner a {
    font-family: inherit;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.01em;
    text-transform: none;
    color: var(--wnav-ink);
    padding: 11px 13px;
    white-space: nowrap;
    text-decoration: none;
    transition: background 0.18s var(--wnav-ease), color 0.18s var(--wnav-ease);
}
.wnav-dropdown-inner a::after { display: none; }   /* no underline inside */
.wnav-dropdown-inner a:hover { background: var(--wnav-ink); color: var(--wnav-bg); }

/* ── Desktop CTA ────────────────────────────────────────────────── */
.wnav-cta {
    background: var(--wnav-ink);
    color: var(--wnav-bg);
    padding: 12px 20px;
    font-weight: 700;
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: background 0.3s var(--wnav-ease), color 0.3s var(--wnav-ease);
}
.wnav-cta:hover { background: var(--wnav-teal); color: var(--wnav-ink); }
.wnav-cta::after { content: '↗'; font-size: 13px; }

/* ── Burger (mobile) ────────────────────────────────────────────── */
.wnav-burger {
    display: none;
    width: 44px;
    height: 44px;
    background: var(--wnav-bg);
    border: 1.5px solid var(--wnav-ink);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
    position: relative;
}
.wnav-burger span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--wnav-ink);
    position: relative;
    transition: transform 0.3s ease, background 0.2s ease;
}
.wnav-burger span::before,
.wnav-burger span::after {
    content: '';
    position: absolute;
    left: 0;
    width: 18px;
    height: 2px;
    background: var(--wnav-ink);
    transition: transform 0.3s ease, opacity 0.2s ease, top 0.3s ease;
}
.wnav-burger span::before { top: -6px; }
.wnav-burger span::after  { top: 6px; }
.wnav-burger.open span { background: transparent; }
.wnav-burger.open span::before { top: 0; transform: rotate(45deg); }
.wnav-burger.open span::after  { top: 0; transform: rotate(-45deg); }

/* ── Mobile full-screen overlay ─────────────────────────────────── */
.wnav-mobile {
    position: fixed;
    inset: 0;
    z-index: 80;
    background: var(--wnav-bg);
    transform: translateY(-100%);
    transition: transform 0.5s var(--wnav-ease);
    display: flex;
    flex-direction: column;
    padding: 110px 24px 32px;
    gap: 4px;
    visibility: hidden;
}
.wnav-mobile.open { transform: translateY(0); visibility: visible; }
.wnav-mobile a {
    font-family: inherit;
    font-weight: 800;
    font-size: clamp(30px, 9vw, 56px);
    letter-spacing: -0.035em;
    line-height: 1.05;
    color: var(--wnav-ink);
    text-transform: uppercase;
    padding: 16px 0;
    border-bottom: 1.5px solid rgba(10,10,10,0.12);
    text-decoration: none;
}
.wnav-mobile a.is-active { color: var(--wnav-teal); }
.wnav-mobile__cta {
    margin-top: auto;
    background: var(--wnav-ink);
    color: var(--wnav-bg) !important;
    padding: 22px 24px;
    text-align: center;
    text-transform: uppercase;
    font-size: 13px;
    letter-spacing: 0.16em;
    font-weight: 700;
    border: none;
    border-bottom: none !important;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}
.wnav-mobile__cta::after { content: '↗'; font-size: 15px; }

/* ── Mobile accordion (dropdown parents) ────────────────────────── */
.wnav-m-group { border-bottom: 1.5px solid rgba(10, 10, 10, 0.12); }
.wnav-m-parent {
    width: 100%;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-weight: 800;
    font-size: clamp(30px, 9vw, 56px);
    letter-spacing: -0.035em;
    line-height: 1.05;
    color: var(--wnav-ink);
    text-transform: uppercase;
    padding: 16px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
}
.wnav-m-parent.is-active { color: var(--wnav-teal); }
.wnav-m-caret {
    flex: none;
    margin-left: 16px;
    width: 0; height: 0;
    border-left: 7px solid transparent;
    border-right: 7px solid transparent;
    border-top: 9px solid currentColor;
    transition: transform 0.3s var(--wnav-ease);
}
.wnav-m-parent.open .wnav-m-caret { transform: rotate(180deg); }
.wnav-m-sub {
    display: none;
    flex-direction: column;
    padding: 2px 0 16px 2px;
}
.wnav-m-sub.open { display: flex; }
.wnav-m-sub a {
    font-family: inherit;
    font-weight: 600;
    font-size: clamp(16px, 4.6vw, 21px);
    letter-spacing: -0.01em;
    line-height: 1.2;
    text-transform: none;
    color: var(--wnav-ink);
    padding: 12px 0;
    border-bottom: none;
    opacity: 0.82;
    text-decoration: none;
}
.wnav-m-sub a.wnav-m-all { opacity: 1; font-weight: 800; }

/* ── Mobile sticky CTA ──────────────────────────────────────────── */
.wnav-sticky {
    display: none;
    position: fixed;
    bottom: 16px;
    left: 16px;
    right: 16px;
    z-index: 70;
    background: var(--wnav-ink);
    color: var(--wnav-bg);
    padding: 18px 22px;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 6px 24px rgba(0,0,0,0.22);
    text-decoration: none;
    font-family: 'JetBrains Mono', ui-monospace, monospace;
}
.wnav-sticky::after { content: '↗'; font-size: 15px; }

body.wnav-open { overflow: hidden; }

/* ── Breakpoints ────────────────────────────────────────────────── */
@media (max-width: 1100px) {
    .wnav { padding: 0 22px; }
    .wnav-links { display: none; }
    .wnav-cta { display: none; }
    .wnav-burger { display: inline-flex; }
    .wnav-sticky { display: inline-flex; }
}

/* ── Dark context (logo + pill swap) ────────────────────────────────
   Triggered statically by data-theme="dark" (.wnav--dark) OR dynamically
   when a page toggles body.topbar-dark while scrolling over dark sections.
   The logo swaps black ↔ white; the pill, CTA and burger invert. */
.wnav-mark, .wnav-links, .wnav-cta, .wnav-burger,
.wnav-burger span, .wnav-burger span::before, .wnav-burger span::after {
    transition: background 0.3s var(--wnav-ease), color 0.3s var(--wnav-ease), border-color 0.3s var(--wnav-ease);
}

/* logo swap (two stacked SVGs, exactly one shown at a time).
   Scoped under .wnav-mark so these beat `.wnav-mark img { display:block }`. */
.wnav-mark .wnav-logo-light { display: none; }
.wnav--dark .wnav-mark .wnav-logo-dark,
body.topbar-dark .wnav-mark .wnav-logo-dark { display: none; }
.wnav--dark .wnav-mark .wnav-logo-light,
body.topbar-dark .wnav-mark .wnav-logo-light { display: block; }

/* pill / burger → ink (logo mark stays transparent — it swaps colour) */
.wnav--dark .wnav-links, .wnav--dark .wnav-burger,
body.topbar-dark .wnav-links, body.topbar-dark .wnav-burger {
    background: var(--wnav-ink);
}
.wnav--dark .wnav-burger,
body.topbar-dark .wnav-burger { border-color: rgba(250, 250, 247, 0.32); }

/* nav links → light */
.wnav--dark .wnav-links a, .wnav--dark .wnav-links a.is-active,
body.topbar-dark .wnav-links a, body.topbar-dark .wnav-links a.is-active { color: var(--wnav-bg); }
.wnav--dark .wnav-links a:hover,
body.topbar-dark .wnav-links a:hover { color: var(--wnav-teal-bright); }
.wnav--dark .wnav-links a::after,
body.topbar-dark .wnav-links a::after { background: var(--wnav-teal-bright); }

/* burger bars → light (keep the X transparent when open) */
.wnav--dark .wnav-burger span, .wnav--dark .wnav-burger span::before, .wnav--dark .wnav-burger span::after,
body.topbar-dark .wnav-burger span, body.topbar-dark .wnav-burger span::before, body.topbar-dark .wnav-burger span::after {
    background: var(--wnav-bg);
}
.wnav--dark .wnav-burger.open span,
body.topbar-dark .wnav-burger.open span { background: transparent; }

/* CTA → inverted */
.wnav--dark .wnav-cta,
body.topbar-dark .wnav-cta { background: var(--wnav-bg); color: var(--wnav-ink); }
.wnav--dark .wnav-cta:hover,
body.topbar-dark .wnav-cta:hover { background: var(--wnav-teal); color: var(--wnav-ink); }

/* Dropdown panel stays light even in dark mode — keep its links dark so
   they don't turn white-on-white (the dark-mode .wnav-links rule would
   otherwise make them invisible). */
.wnav--dark .wnav-dropdown-inner a,
body.topbar-dark .wnav-dropdown-inner a { color: var(--wnav-ink); }
.wnav--dark .wnav-dropdown-inner a:hover,
body.topbar-dark .wnav-dropdown-inner a:hover { background: var(--wnav-ink); color: var(--wnav-bg); }