/* RAZZ VAPE — fv-extras.css
   Raspberry Slab surface layer for the fv-* markup this site actually uses.
   Loads after core.css and wins ties. */

/* ── Hero: ink slab + raspberry signal ─────────────────────────── */
.fv-hero {
  background: var(--fv-ink-deep);
  color: #fff;
  padding: 88px 0 92px;
  border-bottom: 4px solid var(--fv-accent);
}
.fv-hero-inner {
  max-width: var(--fv-max-w);
  margin: 0 auto;
  padding: 0 var(--fv-pad-x);
}
.fv-hero-text { max-width: 780px; }
.fv-hero h1 {
  color: #fff;
  font-size: clamp(40px, 7vw, 72px);
  margin: 14px 0 22px;
}
.fv-eyebrow {
  display: inline-block;
  font-family: var(--fv-font-mono);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--fv-label-track);
  color: var(--fv-accent-2);
  border: 1px solid rgba(110, 149, 255, 0.45);
  padding: 6px 12px;
}
.fv-hero-answer {
  font-size: 17px;
  line-height: 1.7;
  color: #d8d8dc;
  margin: 0 0 30px;
}
.fv-hero-answer strong { color: #fff; }
.fv-hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }

/* ── Buttons ───────────────────────────────────────────────────── */
.fv-btn-purple {
  background: var(--fv-accent);
  color: #fff;
  border: 1.5px solid var(--fv-accent);
}
.fv-btn-purple:hover { background: var(--fv-accent-2); border-color: var(--fv-accent-2); color: #fff; }
.fv-hero .fv-btn-ghost { border-color: #fff; color: #fff; }
.fv-hero .fv-btn-ghost:hover { background: #fff; color: var(--fv-ink); }
.fv-btn-large { padding: 18px 30px; font-size: 16px; }

/* ── Sections / prose ─────────────────────────────────────────── */
.fv-basic-section { padding: 64px 0; }
.fv-basic-section + .fv-basic-section { padding-top: 8px; }
.fv-basic-section h2 { font-size: clamp(26px, 4vw, 40px); margin-bottom: 18px; }
.fv-basic-section h3 { font-size: 20px; margin: 26px 0 8px; }
.fv-basic-section p { max-width: 820px; color: var(--fv-ink-2); }
.fv-basic-section p strong, .fv-basic-section li strong { color: var(--fv-ink); }
.fv-article-list {
  max-width: 820px;
  margin: 18px 0;
  padding-left: 0;
  list-style: none;
}
.fv-article-list li {
  position: relative;
  padding: 10px 0 10px 26px;
  color: var(--fv-ink-2);
  border-bottom: 1px solid var(--fv-rule-lite);
}
.fv-article-list li::before {
  content: "■";
  position: absolute;
  left: 0;
  top: 12px;
  font-size: 10px;
  color: var(--fv-accent);
}

/* ── Spec tables ───────────────────────────────────────────────── */
.fv-spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 18px 0 8px;
}
.fv-spec-table th {
  font-family: var(--fv-font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  text-align: left;
  color: var(--fv-ink-2);
  background: var(--fv-paper-4);
  padding: 12px 14px;
  border-bottom: 2px solid var(--fv-ink);
}
.fv-spec-table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--fv-rule);
  vertical-align: top;
}
.fv-spec-table tbody tr:nth-child(even) td { background: var(--fv-accent-tint); }

/* ── FAQ (details/summary pattern used on this site) ───────────── */
.fv-faq-list { max-width: 860px; border-top: 2px solid var(--fv-ink); }
details.fv-faq-item {
  display: block;
  padding: 0;
  background: transparent;
  border-bottom: 1px solid var(--fv-rule);
  grid-template-columns: none;
}
details.fv-faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 44px 18px 4px;
  font-weight: 700;
  font-size: 16px;
  color: var(--fv-ink);
  position: relative;
}
details.fv-faq-item summary::-webkit-details-marker { display: none; }
details.fv-faq-item summary::after {
  content: "+";
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--fv-font-mono);
  font-size: 20px;
  color: var(--fv-accent);
}
details.fv-faq-item[open] summary::after { content: "−"; }
details.fv-faq-item .fv-faq-answer {
  margin: 0;
  padding: 0 4px 20px;
  max-width: 780px;
  color: var(--fv-ink-2);
  line-height: 1.7;
}

/* ── Footer link grid ──────────────────────────────────────────── */
.fv-footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 32px;
  padding: 12px 0 32px;
}
.fv-footer-link-group { display: flex; flex-direction: column; gap: 9px; }
.fv-footer-link-label {
  font-family: var(--fv-font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--fv-ink-faint);
  margin-bottom: 4px;
}
.fv-footer-link-group a { font-size: 14px; color: var(--fv-ink-2); }
.fv-footer-link-group a:hover { color: var(--fv-accent); }

/* ── Device cards (home + PDP) ─────────────────────────────────── */
.fv-device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 18px;
  margin: 26px 0 6px;
}
.fv-device-card {
  border: 1px solid var(--fv-bd);
  background: var(--fv-paper);
  display: flex;
  flex-direction: column;
  transition: border-color 0.16s ease;
}
.fv-device-card:hover { border-color: var(--fv-accent); color: inherit; }
.fv-device-card-img {
  background: var(--fv-paper-4);
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.fv-device-card-img img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.fv-device-card-body { padding: 16px 18px 18px; }
.fv-device-card-name { font-family: var(--fv-font-display); font-weight: 800; font-size: 17px; margin: 0 0 4px; }
.fv-device-card-spec { font-family: var(--fv-font-mono); font-size: 11.5px; color: var(--fv-ink-2); text-transform: uppercase; letter-spacing: 0.08em; margin: 0 0 10px; }
.fv-device-card-price { color: var(--fv-accent); font-weight: 700; font-size: 14px; }

/* ── PDP hero image panel ──────────────────────────────────────── */
.fv-pdp-top {
  display: grid;
  grid-template-columns: minmax(280px, 460px) 1fr;
  gap: 44px;
  align-items: start;
}
.fv-pdp-top-img {
  background: var(--fv-paper-4);
  border: 1px solid var(--fv-bd);
  padding: 24px;
}
.fv-pdp-top-img img { mix-blend-mode: multiply; }
@media (max-width: 860px) {
  .fv-pdp-top { grid-template-columns: 1fr; }
  .fv-hero { padding: 64px 0 68px; }
}

/* ── Visible prose links (织入锚必须可见 — 铁律) ─────────────── */
.fv-basic-section p a, .fv-basic-section li a, .fv-faq-answer a, .fv-spec-table a {
  color: var(--fv-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1.5px;
  font-weight: 600;
}
.fv-basic-section p a:hover, .fv-basic-section li a:hover, .fv-faq-answer a:hover, .fv-spec-table a:hover {
  color: var(--fv-accent-2);
}

/* ── Topic cards (homepage explore grid) ───────────────────────── */
.fv-topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 26px;
}
.fv-topic-card {
  display: block;
  border: 1px solid var(--fv-bd);
  border-top: 3px solid var(--fv-accent);
  padding: 22px 24px 20px;
  background: var(--fv-paper);
  transition: border-color 0.16s ease, transform 0.16s ease;
}
.fv-topic-card:hover { border-color: var(--fv-accent); transform: translateY(-2px); color: inherit; }
.fv-topic-card-label {
  font-family: var(--fv-font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--fv-accent);
  display: block;
  margin-bottom: 10px;
}
.fv-topic-card h3 { font-size: 21px; margin: 0 0 8px; }
.fv-topic-card p { font-size: 13.5px; color: var(--fv-ink-2); margin: 0 0 14px; line-height: 1.6; }
.fv-topic-card-cta { font-weight: 700; font-size: 13.5px; color: var(--fv-accent); }

/* ── Commerce: cart drawer ─────────────────────────────────────── */
.fv-cart-toggle {
  position: relative; background: none; border: none; cursor: pointer;
  color: var(--fv-ink); padding: 8px; display: inline-flex; align-items: center;
}
.fv-cart-toggle:hover { color: var(--fv-accent); }
.fv-cart-count {
  position: absolute; top: 0; right: 0; background: var(--fv-accent); color: #fff;
  font-size: 10px; font-weight: 700; min-width: 16px; height: 16px; border-radius: 999px;
  display: inline-flex; align-items: center; justify-content: center; padding: 0 4px;
}
.fv-cart-overlay { position: fixed; inset: 0; background: rgba(10,10,12,0.5); z-index: 60; }
.fv-cart-drawer {
  position: fixed; top: 0; right: -420px; width: min(400px, 92vw); height: 100dvh;
  background: var(--fv-paper); z-index: 61; display: flex; flex-direction: column;
  border-left: 3px solid var(--fv-accent); transition: right 0.22s ease;
}
.fv-cart-drawer.open { right: 0; }
.fv-cart-drawer-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px; border-bottom: 1px solid var(--fv-rule);
}
.fv-cart-drawer-header .fv-cart-title { margin: 0; font-size: 18px; font-weight: 700; font-family: var(--fv-font-head, inherit); }
.fv-cart-close { background: none; border: none; font-size: 26px; cursor: pointer; color: var(--fv-ink-2); line-height: 1; }
.fv-cart-drawer-body { flex: 1; overflow-y: auto; padding: 12px 22px; }
.fv-cart-empty { text-align: center; color: var(--fv-ink-faint); padding: 40px 0; }
.fv-cart-error { color: var(--fv-err); font-size: 13px; }
.fv-cart-item { display: flex; justify-content: space-between; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--fv-rule-lite); }
.fv-cart-item-name { font-weight: 700; font-size: 14px; margin: 0 0 2px; }
.fv-cart-item-var { font-size: 12px; color: var(--fv-ink-faint); margin: 0 0 8px; }
.fv-cart-item-price { font-weight: 700; color: var(--fv-accent); white-space: nowrap; }
.fv-cart-item-controls { display: flex; align-items: center; gap: 8px; }
.fv-qty-btn {
  width: 26px; height: 26px; border: 1px solid var(--fv-bd); background: var(--fv-paper);
  cursor: pointer; font-size: 15px; line-height: 1; color: var(--fv-ink);
}
.fv-qty-btn:hover { border-color: var(--fv-accent); color: var(--fv-accent); }
.fv-qty-num { min-width: 20px; text-align: center; font-weight: 600; font-size: 14px; }
.fv-cart-rm { background: none; border: none; color: var(--fv-ink-faint); cursor: pointer; font-size: 12px; margin-left: auto; text-decoration: underline; }
.fv-cart-drawer-footer { padding: 16px 22px 20px; border-top: 1px solid var(--fv-rule); }
.fv-cart-total { display: flex; justify-content: space-between; font-size: 15px; margin-bottom: 12px; }
.fv-cart-total strong { font-size: 19px; color: var(--fv-accent); }
.fv-btn-full { width: 100%; justify-content: center; text-align: center; }
.fv-cart-note { font-size: 11.5px; color: var(--fv-ink-faint); text-align: center; margin: 10px 0 0; }

/* ── Commerce: PDP variant selector ────────────────────────────── */
.fv-flavor-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 10px; margin: 16px 0 20px; }
.fv-flavor-opt {
  border: 1.5px solid var(--fv-bd); padding: 11px 13px; cursor: pointer; background: var(--fv-paper);
  font-size: 13.5px; font-weight: 600; color: var(--fv-ink); text-align: left; position: relative;
}
.fv-flavor-opt:hover { border-color: var(--fv-accent); }
.fv-flavor-opt.sel { border-color: var(--fv-accent); background: var(--fv-accent-tint); }
.fv-flavor-opt.oos { opacity: 0.45; cursor: not-allowed; text-decoration: line-through; }
.fv-flavor-oos-tag { display: block; font-size: 10px; font-weight: 500; color: var(--fv-ink-faint); text-decoration: none; }
.fv-pdp-buy-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 8px; }
.fv-pdp-price { font-family: var(--fv-font-display); font-size: 30px; font-weight: 800; color: var(--fv-accent); }
.fv-pdp-qty { display: flex; align-items: center; gap: 10px; border: 1px solid var(--fv-bd); padding: 6px 10px; }

/* ── Commerce: checkout ────────────────────────────────────────── */
.fv-checkout-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: start; }
@media (max-width: 900px) { .fv-checkout-grid { grid-template-columns: 1fr; } }
.fv-checkout-form { display: flex; flex-direction: column; gap: 14px; }
.fv-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .fv-form-row { grid-template-columns: 1fr; } }
.fv-form-field { display: flex; flex-direction: column; gap: 5px; }
.fv-form-field label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--fv-ink-2); }
.fv-form-field input, .fv-form-field select, .fv-form-field textarea {
  border: 1.5px solid var(--fv-bd); padding: 12px 13px; font: inherit; background: var(--fv-paper); color: var(--fv-ink);
}
.fv-form-field input:focus, .fv-form-field select:focus, .fv-form-field textarea:focus { outline: none; border-color: var(--fv-accent); }
.fv-checkout-summary { border: 1px solid var(--fv-bd); border-top: 3px solid var(--fv-accent); padding: 22px 24px; position: sticky; top: 20px; }
.fv-checkout-summary h3 { font-size: 19px; margin: 0 0 14px; }
.fv-sum-row { display: flex; justify-content: space-between; font-size: 14px; padding: 7px 0; border-bottom: 1px solid var(--fv-rule-lite); }
.fv-sum-row.total { font-weight: 800; font-size: 17px; border-bottom: none; padding-top: 12px; }
.fv-sum-row.total span:last-child { color: var(--fv-accent); }
.fv-checkout-error { background: #FDECEC; border: 1px solid var(--fv-err); color: var(--fv-err); padding: 12px 14px; font-size: 13.5px; }
.fv-checkbox-row { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.fv-spinner { display: inline-block; width: 14px; height: 14px; border: 2px solid rgba(255,255,255,0.4); border-top-color: #fff; border-radius: 50%; animation: zvspin 0.7s linear infinite; }
@keyframes zvspin { to { transform: rotate(360deg); } }