/* ─────────────────────────────────────────────────────────────────────────
 * topvapeflavors.com · nicfree.css — Zero-Nicotine cluster skin (nf- scope)
 * Dedicated topic-cluster shell for /shop/nicotine-free-vape/ + 5 brand
 * sub-hubs. Ice/air sub-identity inside the Hyper Drop system: cyan-tinted
 * washes from the --oh-c chroma tokens, ink chrome, purple CTAs unchanged.
 * SEO-first: every module is static build-time HTML; CSS is paint only.
 * 2026-08-02 · v1.0
 * ───────────────────────────────────────────────────────────────────────── */

/* ── hero wash + 0% roundel ─────────────────────────────────────────── */
.nf-hero { position: relative; overflow: hidden; }
.nf-hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(560px 300px at 82% -10%, rgba(37, 228, 240, 0.16), transparent 70%),
    radial-gradient(420px 260px at 8% 110%, rgba(110, 200, 255, 0.14), transparent 70%);
}
.nf-hero .gd-wrap { position: relative; }
.nf-hero-top { display: flex; align-items: flex-start; gap: 18px; }
.nf-roundel {
  flex: 0 0 auto; width: 74px; height: 74px; border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: rgba(37, 228, 240, 0.16); border: 1.5px solid rgba(21, 19, 29, 0.85);
  box-shadow: 3px 3px 0 rgba(21, 19, 29, 0.85); transform: rotate(-6deg);
}
.nf-roundel b { font-size: 1.45rem; line-height: 1; letter-spacing: -0.02em; color: var(--oh-ink); }
.nf-roundel span { font-size: 0.5rem; letter-spacing: 0.12em; color: var(--oh-ink-2); text-transform: uppercase; }
.nf-stats { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.nf-stat {
  font-family: var(--oh-font-mono, monospace); font-size: 0.68rem; letter-spacing: 0.07em;
  padding: 5px 11px; border: 1px solid var(--oh-hair-2); border-radius: 50px;
  background: var(--oh-glass-deep, rgba(255, 252, 244, 0.82)); color: var(--oh-ink-2); white-space: nowrap;
}
.nf-stat b { color: var(--oh-ink); }

/* ── cluster nav band (on all 6 cluster pages — the visible mesh) ───── */
.nf-clusterbar { border-block: 1.5px solid var(--oh-ink); background: rgba(37, 228, 240, 0.09); }
.nf-clusterbar-in {
  max-width: 1200px; margin: 0 auto; padding: 10px 20px;
  display: flex; align-items: center; gap: 12px; overflow-x: auto; -webkit-overflow-scrolling: touch;
}
.nf-clusterbar-label {
  font-family: var(--oh-font-mono, monospace); font-size: 0.64rem; letter-spacing: 0.14em;
  color: var(--oh-ink-2); white-space: nowrap; flex: 0 0 auto;
}
.nf-pill {
  flex: 0 0 auto; font-size: 0.8rem; font-weight: 600; text-decoration: none;
  padding: 6px 14px; border-radius: 50px; border: 1.5px solid var(--oh-ink);
  color: var(--oh-ink); background: var(--oh-glass-edge, rgba(255, 252, 244, 0.92));
  transition: transform 0.12s ease, background 0.12s ease;
}
.nf-pill:hover { transform: translateY(-1px); background: rgba(37, 228, 240, 0.2); }
.nf-pill.is-cur { background: var(--oh-ink); color: #fff; pointer-events: none; }
.nf-pill small { font-weight: 400; opacity: 0.7; }

/* ── flavor availability matrix (hub) ───────────────────────────────── */
.nf-matrix-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1.5px solid var(--oh-ink); border-radius: 12px; background: var(--oh-glass-edge, rgba(255, 252, 244, 0.92)); }
.nf-matrix { width: 100%; border-collapse: collapse; font-size: 0.84rem; min-width: 760px; }
.nf-matrix th, .nf-matrix td { padding: 8px 10px; border-bottom: 1px solid var(--oh-hair); text-align: center; }
.nf-matrix thead th {
  font-family: var(--oh-font-mono, monospace); font-size: 0.62rem; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--oh-ink-3); background: rgba(37, 228, 240, 0.1);
  position: sticky; top: 0;
}
.nf-matrix th[scope="row"], .nf-matrix td:first-child { text-align: left; font-weight: 600; white-space: nowrap; }
.nf-matrix tbody tr:hover { background: rgba(110, 200, 255, 0.08); }
.nf-matrix .nf-yes a { text-decoration: none; font-weight: 700; color: var(--oh-accent, #8a3ffc); }
.nf-matrix .nf-no { color: var(--oh-ink-4); }
.nf-matrix a { color: inherit; }
.nf-matrix-note { font-size: 0.78rem; color: var(--oh-ink-3); margin-top: 8px; }

/* ── device rail cards (brand pages: rest of the cluster) ───────────── */
.nf-rail { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.nf-dev {
  display: flex; flex-direction: column; gap: 6px; text-decoration: none;
  border: 1.5px solid var(--oh-ink); border-radius: 12px; padding: 12px;
  background: var(--oh-glass-edge, rgba(255, 252, 244, 0.92)); color: var(--oh-ink);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.nf-dev:hover { transform: translateY(-2px); box-shadow: 4px 4px 0 rgba(21, 19, 29, 0.85); }
.nf-dev img { width: 100%; aspect-ratio: 1; object-fit: contain; border-radius: 8px; background: #fff; }
.nf-dev-name { font-size: 0.82rem; font-weight: 700; line-height: 1.3; }
.nf-dev-meta { font-family: var(--oh-font-mono, monospace); font-size: 0.62rem; letter-spacing: 0.05em; color: var(--oh-ink-3); }
.nf-dev-price { font-size: 0.78rem; font-weight: 600; color: var(--oh-accent, #8a3ffc); }
.nf-dev.is-oos { opacity: 0.72; }
.nf-dev .nf-oos-tag { font-size: 0.6rem; letter-spacing: 0.08em; color: #b3261e; font-family: var(--oh-font-mono, monospace); }

/* ── cluster map band (replaces the generic sitewide cross-band) ────── */
.nf-map { border-top: 1.5px solid var(--oh-ink); background:
  linear-gradient(180deg, rgba(37, 228, 240, 0.1), transparent 60%), var(--oh-paper-deep, #f0ebdd); }
.nf-map-in { max-width: 1200px; margin: 0 auto; padding: 44px 20px 52px; }
.nf-map-h2 { margin: 6px 0 22px; }
.nf-map-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 26px; }
.nf-map-col h3 {
  font-family: var(--oh-font-mono, monospace); font-size: 0.66rem; letter-spacing: 0.13em;
  text-transform: uppercase; color: var(--oh-ink-3); margin: 0 0 10px;
  padding-bottom: 6px; border-bottom: 1.5px solid var(--oh-ink);
}
.nf-map-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 7px; }
.nf-map-col a { color: var(--oh-ink); text-decoration: none; font-size: 0.86rem; border-bottom: 1px solid transparent; }
.nf-map-col a:hover { color: var(--oh-accent, #8a3ffc); border-bottom-color: currentColor; }
.nf-map-col .nf-map-cur { font-weight: 700; color: var(--oh-ink-3); }
.nf-map-foot { margin-top: 26px; display: flex; gap: 12px; flex-wrap: wrap; }

@media (max-width: 640px) {
  .nf-roundel { width: 60px; height: 60px; }
  .nf-roundel b { font-size: 1.15rem; }
  .nf-hero-top { gap: 12px; }
}

/* ── pods/refill cluster accent (.nf--rf) — mint/lime tint over the same
   components; ink chrome and purple CTAs unchanged. ── */
.nf--rf.nf-hero::before {
  background:
    radial-gradient(560px 300px at 82% -10%, rgba(77, 234, 165, 0.18), transparent 70%),
    radial-gradient(420px 260px at 8% 110%, rgba(194, 242, 58, 0.14), transparent 70%);
}
.nf--rf .nf-roundel, .nf--rf.nf-hero .nf-roundel { background: rgba(77, 234, 165, 0.2); }
.nf--rf .nf-roundel b { font-size: 1.05rem; letter-spacing: 0.02em; }
.nf--rf.nf-clusterbar { background: rgba(77, 234, 165, 0.12); }
.nf--rf .nf-pill:hover { background: rgba(77, 234, 165, 0.24); }
.nf--rf.nf-map { background:
  linear-gradient(180deg, rgba(77, 234, 165, 0.12), transparent 60%), var(--oh-paper-deep, #f0ebdd); }