/*
Theme Name: Firestarter Pro
Theme URI: https://www.firestartermanufacturer.com
Author: Firestarter
Author URI: https://www.firestartermanufacturer.com
Description: Proprietary classic theme for Firestarter Manufacturer. PHP/HTML5/CSS/vanilla JS, no page builders, no third-party plugins. Charcoal + flame-orange design system on a light oak-grain surface, mobile-first, GEO/SEO infrastructure built in.
Version: 1.7.0
Requires at least: 6.5
Tested up to: 7.1
Requires PHP: 7.4
License: Proprietary
Text Domain: firestarter-pro
Tags: custom-colors, custom-logo, custom-menu, translation-ready
*/

/* ============================================================
   1. Design tokens
   Primary: charcoal #1A1A1A + flame orange #E85D26
   Surface: light oak grain. Type scale: 48/32/24/16/14.
   Spacing rhythm: 48px / 80px. Content width: 1200px.
   ============================================================ */
:root {
  --fs-ink: #1A1A1A;
  --fs-ink-soft: #5B5140;
  --fs-ember: #E85D26;
  --fs-ember-dark: #C94F24;
  --fs-oak-50: #FCF7EF;
  --fs-oak-100: #F5EAD9;
  --fs-oak-200: #EADCC3;
  --fs-oak-line: rgba(122, 96, 62, .18);
  --fs-oak-line-strong: rgba(122, 96, 62, .28);
  --fs-panel: rgba(255, 253, 248, .94);
  --fs-radius: 8px;
  --fs-wrap: 1200px;
  --fs-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
             Arial, "PingFang SC", "Microsoft YaHei", "Noto Sans", sans-serif;
  --fs-h1: clamp(30px, 5.4vw, 48px);
  --fs-h2: clamp(26px, 3.6vw, 32px);
  --fs-h3: 24px;
  --fs-body: 16px;
  --fs-small: 14px;
}

/* ============================================================
   2. Base / reset
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html, body { overflow-x: clip; }
body {
  margin: 0;
  font-family: var(--fs-font);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--fs-ink);
  background-color: #F1E5D2;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='480' height='480'%3E%3Cfilter id='g' x='0' y='0' width='100%25' height='100%25'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.012 0.11' numOctaves='4' seed='17' stitchTiles='stitch'/%3E%3CfeColorMatrix type='matrix' values='0 0 0 0 0.45 0 0 0 0 0.34 0 0 0 0 0.21 0.9 0.6 0.2 0 0'/%3E%3C/filter%3E%3Crect width='480' height='480' filter='url(%23g)' opacity='0.5'/%3E%3C/svg%3E"),
    repeating-linear-gradient(92deg, rgba(150, 116, 74, .045) 0 1px, rgba(255, 255, 255, 0) 1px 7px),
    linear-gradient(180deg, #FBF5EA 0%, #F0E2CC 60%, #F4E9D8 100%);
  background-attachment: fixed, fixed, fixed;
  background-repeat: repeat, repeat, no-repeat;
  background-size: 480px 480px, auto, cover;
}
img { max-width: 100%; height: auto; }
a { color: inherit; }
.wrap { max-width: var(--fs-wrap); margin-inline: auto; padding-inline: 24px; }
/* padding-block only: a shorthand here would wipe the .wrap inline padding
   and leave mobile content flush against the screen edge. */
.page-pad { padding-block: 48px 80px; }
.screen-reader-text {
  position: absolute !important; width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0);
  border: 0; word-wrap: normal !important;
}
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--fs-ink); color: #fff; padding: 10px 18px;
}
.skip-link:focus { left: 0; }

/* ============================================================
   3. Typography
   ============================================================ */
h1, h2, h3, h4, .entry-title {
  line-height: 1.2;
  font-weight: 700;
  color: var(--fs-ink);
  margin: 0 0 16px;
}
h1, .entry-title { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
p { margin: 0 0 16px; }
small, .fs-small { font-size: var(--fs-small); }
.fs-lead { font-size: var(--fs-body); color: var(--fs-ink-soft); max-width: 68ch; }
.fs-kicker {
  font-size: var(--fs-small); letter-spacing: .08em; text-transform: uppercase;
  color: var(--fs-ember); font-weight: 700; margin: 0 0 8px;
}
.fs-meta { font-size: var(--fs-small); color: var(--fs-ink-soft); margin: 0 0 24px; }

/* ============================================================
   4. Header + navigation (sticky, translucent oak)
   ============================================================ */
.fs-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(252, 247, 239, .82);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--fs-oak-line);
  transition: box-shadow .2s ease;
}
.fs-header.is-scrolled { box-shadow: 0 6px 24px rgba(30, 26, 19, .08); }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 12px; padding-bottom: 12px; }
.fs-brand a, .fs-brand-link {
  font-size: 20px; font-weight: 700; letter-spacing: .01em;
  color: var(--fs-ink); text-decoration: none;
}
.fs-brand img.custom-logo { max-height: 40px; width: auto; display: block; }

.nav-toggle {
  display: inline-flex; flex-direction: column; justify-content: center;
  width: 44px; height: 40px; padding: 0 10px;
  background: transparent; border: 1px solid var(--fs-oak-line-strong);
  border-radius: 6px; cursor: pointer;
}
.nav-toggle-bar { display: block; width: 100%; height: 2px; background: var(--fs-ink); margin: 3px 0; border-radius: 2px; }
.nav-list { display: none; list-style: none; margin: 0; padding: 12px 0 4px; }
.nav-list .menu-item { position: relative; }
.nav-link {
  display: block; padding: 10px 4px; text-decoration: none;
  font-size: var(--fs-body); font-weight: 600; color: var(--fs-ink);
  border-bottom: 2px solid transparent;
}
.nav-link:hover { color: var(--fs-ember-dark); }
.sub-menu { display: none; list-style: none; margin: 0 0 8px; padding: 0 0 0 16px; }
.sub-menu .nav-link { font-weight: 500; padding: 8px 4px; }

/* Mobile nav open state (toggled by assets/main.js) */
body.nav-open .nav-list { display: block; }
body.nav-open .sub-menu { display: block; }

/* Desktop nav */
@media (min-width: 880px) {
  .nav-toggle { display: none; }
  .nav-list { display: flex; align-items: center; gap: 28px; padding: 0; }
  .nav-link { padding: 6px 0; }
  .has-submenu > .nav-link::after {
    content: ""; display: inline-block; margin-left: 6px;
    border: 4px solid transparent; border-top-color: var(--fs-ink);
    vertical-align: 2px;
  }
  .sub-menu {
    position: absolute; top: 100%; left: -16px; z-index: 110;
    display: block; min-width: 300px; padding: 8px 0;
    background: var(--fs-oak-50);
    border: 1px solid var(--fs-oak-line-strong); border-radius: 6px;
    box-shadow: 0 8px 24px rgba(30, 26, 19, .10);
    opacity: 0; visibility: hidden; transform: translateY(6px);
    transition: opacity .15s ease, transform .15s ease;
  }
  .has-submenu:hover .sub-menu,
  .has-submenu:focus-within .sub-menu { opacity: 1; visibility: visible; transform: none; }
  .sub-menu .nav-link { padding: 8px 16px; white-space: nowrap; }
  .nav-link:hover, .current-menu-item > .nav-link { border-bottom-color: var(--fs-ember); color: var(--fs-ember-dark); }
}

/* ============================================================
   5. Buttons — exactly two styles
   ============================================================ */
.btn, .btn-outline, .wp-block-button__link {
  display: inline-block; padding: 14px 28px;
  font-family: var(--fs-font); font-size: var(--fs-body); font-weight: 600;
  line-height: 1.2; text-decoration: none; text-align: center;
  border-radius: 6px; border: 2px solid transparent; cursor: pointer;
  transition: background-color .15s ease, color .15s ease;
}
.btn, .wp-element-button, .wp-block-button__link {
  background: var(--fs-ember); color: #fff;
}
.btn:hover, .wp-block-button__link:hover { background: var(--fs-ember-dark); color: #fff; }
.btn-outline { background: transparent; color: var(--fs-ink); border-color: var(--fs-ink); }
.btn-outline:hover { background: var(--fs-ink); color: #fff; }

/* ============================================================
   6. Content
   ============================================================ */
.entry-content { font-size: var(--fs-body); line-height: 1.6; max-width: 76ch; }
.entry-content > * + * { margin-top: 0; }
.entry-content h2 { margin-top: 48px; }
.entry-content h3 { margin-top: 32px; }
.entry-content a { color: var(--fs-ember-dark); text-decoration: underline; text-underline-offset: 2px; }
.entry-content ul, .entry-content ol { padding-left: 22px; }
.entry-content blockquote {
  margin: 24px 0; padding: 16px 24px; border-left: 4px solid var(--fs-ember);
  background: var(--fs-panel); border-radius: 0 var(--fs-radius) var(--fs-radius) 0;
}

/* Tables (incl. core Table block): full width, horizontal scroll on mobile */
.entry-content table, .wp-block-table table {
  width: 100%; border-collapse: collapse; font-size: var(--fs-body);
  background: var(--fs-panel);
}
.entry-content th, .entry-content td, .wp-block-table th, .wp-block-table td {
  border: 1px solid var(--fs-oak-line-strong); padding: 12px 16px; text-align: left; vertical-align: top;
}
.entry-content thead th, .wp-block-table thead th {
  background: var(--fs-ink); color: #fff; font-weight: 600;
}
.wp-block-table { margin: 24px 0 40px; }
@media (max-width: 760px) {
  .wp-block-table, .entry-content > .fs-table-scroll { display: block; overflow-x: auto; }
  .wp-block-table table { min-width: 520px; }
}

/* Details / FAQ */
details.wp-block-details, .entry-content details {
  background: var(--fs-panel); border: 1px solid var(--fs-oak-line-strong);
  border-radius: var(--fs-radius); padding: 0; margin: 0 0 12px;
}
details.wp-block-details > summary, .entry-content details > summary {
  padding: 16px 20px; font-weight: 600; cursor: pointer; list-style: none;
}
details.wp-block-details > summary::-webkit-details-marker { display: none; }
details.wp-block-details[open] > summary, .entry-content details[open] > summary { border-bottom: 1px solid var(--fs-oak-line); }
details.wp-block-details > *, .entry-content details > * { margin-inline: 20px; }
details.wp-block-details > summary, .entry-content details > summary { margin-inline: 0; }

/* Images */
.entry-content img { border-radius: var(--fs-radius); }
.wp-block-image img { display: block; }
.fs-cover { border-radius: var(--fs-radius); overflow: hidden; margin: 0 0 32px; }
.fs-cover img { width: 100%; display: block; aspect-ratio: 3 / 2; object-fit: cover; }

/* ============================================================
   7. Cards / archives
   ============================================================ */
.fs-cards { display: grid; grid-template-columns: 1fr; gap: 32px; }
@media (min-width: 600px) { .fs-cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .fs-cards { grid-template-columns: repeat(3, 1fr); } }
.fs-card {
  background: var(--fs-panel); border: 1px solid var(--fs-oak-line-strong);
  border-radius: var(--fs-radius); overflow: hidden; display: flex; flex-direction: column;
}
.fs-card-thumb { display: block; aspect-ratio: 3 / 2; overflow: hidden; }
.fs-card-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.fs-card-body { padding: 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.fs-card-title { font-size: 20px; margin: 0; }
.fs-card-title a { text-decoration: none; color: var(--fs-ink); }
.fs-card-title a:hover { color: var(--fs-ember-dark); }
.fs-card-body p { font-size: var(--fs-small); color: var(--fs-ink-soft); margin: 0; }
.fs-card-more { margin-top: auto; font-size: var(--fs-small); font-weight: 600; color: var(--fs-ember-dark); text-decoration: none; }

.fs-pagination { margin-top: 48px; display: flex; gap: 8px; flex-wrap: wrap; }
.fs-pagination .page-numbers {
  display: inline-block; padding: 8px 14px; border: 1px solid var(--fs-oak-line-strong);
  border-radius: 6px; text-decoration: none; font-size: var(--fs-small); background: var(--fs-panel);
}
.fs-pagination .page-numbers.current { background: var(--fs-ink); color: #fff; border-color: var(--fs-ink); }

/* ============================================================
   8. Product single (buy box)
   ============================================================ */
.fspk-buybox { display: grid; grid-template-columns: 1fr; gap: 32px; margin-bottom: 48px; }
@media (min-width: 782px) { .fspk-buybox { grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; } }
.fspk-main-image { aspect-ratio: 1 / 1; overflow: hidden; border-radius: var(--fs-radius); background: var(--fs-oak-100); }
.fspk-main-image img { width: 100%; height: 100%; object-fit: cover; display: block; }
.fspk-buyinfo .entry-title { font-size: var(--fs-h2); margin-bottom: 16px; }
.fspk-summary p { margin: 0 0 24px; }
.fspk-meta-stack { margin-bottom: 20px; }
.fspk-meta-stack p { margin: 0; font-size: var(--fs-small); line-height: 1.6; color: var(--fs-ink-soft); }
.fspk-meta-stack .fspk-price { color: var(--fs-ink); font-weight: 600; }
.fs-scenarios { font-size: var(--fs-small); color: var(--fs-ink-soft); margin: 16px 0 0; }
.fs-scenarios a { color: var(--fs-ember-dark); }
.fspk-description { margin-top: 48px; }
.fspk-description .entry-content { max-width: none; }

/* ============================================================
   9. Footer (oak band, 4 columns)
   ============================================================ */
.fs-footer {
  background: linear-gradient(180deg, rgba(234, 220, 195, .55) 0%, rgba(226, 209, 180, .85) 100%);
  border-top: 1px solid var(--fs-oak-line-strong);
  color: var(--fs-ink-soft);
  padding: 48px 0 32px;
}
.fs-footer-grid { display: grid; grid-template-columns: 1fr; gap: 32px; }
@media (min-width: 600px) { .fs-footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .fs-footer-grid { grid-template-columns: 2fr 1fr 1fr 1.4fr; } }
.fs-footer h3, .fs-footer .fs-footer-heading {
  font-size: var(--fs-small); letter-spacing: .08em; text-transform: uppercase;
  color: var(--fs-ink); margin: 0 0 12px; font-weight: 700;
}
.fs-footer p { font-size: var(--fs-small); line-height: 1.7; margin: 0 0 8px; }
.fs-footer a { color: var(--fs-ink); text-decoration: none; border-bottom: 1px solid transparent; }
.fs-footer a:hover { border-bottom-color: var(--fs-ember); }
.fs-footer ul { list-style: none; margin: 0; padding: 0; }
.fs-footer li { margin: 0 0 8px; font-size: var(--fs-small); }
.fs-footer-brand { font-size: 20px; font-weight: 700; color: var(--fs-ink); text-transform: none; letter-spacing: 0; }
.fs-footer-bottom {
  border-top: 1px solid var(--fs-oak-line); margin-top: 40px; padding-top: 20px;
  font-size: var(--fs-small); color: var(--fs-ink-soft);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}

/* ============================================================
   10. Contact channel cards + content panels
   ============================================================ */
.fs-channel {
  background: var(--fs-panel); border: 1px solid var(--fs-oak-line-strong);
  border-radius: var(--fs-radius); padding: 24px; height: 100%;
}
.fs-channel .fs-channel-label {
  font-size: var(--fs-small); letter-spacing: .08em; text-transform: uppercase;
  color: var(--fs-ink-soft); margin: 0 0 8px;
}
.fs-channel .fs-channel-value { font-size: var(--fs-h3); font-weight: 600; line-height: 1.2; color: var(--fs-ink); margin: 0 0 8px; }
.fs-channel p:last-child { font-size: var(--fs-small); color: var(--fs-ink-soft); margin: 0; }
.fs-card-panel { background: var(--fs-panel); border-radius: var(--fs-radius); }

/* ============================================================
   11. 404 / search
   ============================================================ */
.fs-404 { text-align: center; padding: 80px 0; }
.fs-404 .entry-title { font-size: var(--fs-h1); }
.fs-404-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 32px; }

/* ============================================================
   12. Block-content compatibility (core blocks on classic theme)
   ============================================================ */
.entry-content .wp-block-group { min-width: 0; }
.entry-content .wp-block-columns { display: flex; flex-wrap: wrap; gap: 24px; margin: 24px 0; }
.entry-content .wp-block-column { flex: 1 1 260px; min-width: 0; }
.entry-content .wp-block-heading { margin: 48px 0 16px; }
.entry-content .wp-block-heading:first-child { margin-top: 0; }
.alignwide { max-width: 1400px; margin-inline: auto; }
.alignfull { max-width: none; width: 100%; }

/* ============================================================
   13. Homepage — 1. Hero (full-bleed, background from custom field)
   ============================================================ */
.hero {
  position: relative;
  display: flex; align-items: center;
  min-height: clamp(420px, 62vh, 620px);
  padding: 80px 0;
  background-color: var(--fs-ink);
  background-image: linear-gradient(160deg, #24313A 0%, #1A1A1A 100%);
  overflow: hidden;
}
.hero.has-bg {
  background-image: linear-gradient(180deg, rgba(16, 14, 11, .62) 0%, rgba(16, 14, 11, .48) 45%, rgba(16, 14, 11, .74) 100%),
                    var(--hero-bg, none);
  background-size: cover, cover;
  background-position: center, center;
  background-repeat: no-repeat, no-repeat;
}
.hero-inner { position: relative; z-index: 1; max-width: 900px; }
.hero-kicker {
  font-size: var(--fs-small); letter-spacing: .10em; text-transform: uppercase;
  color: #FFC9A8; font-weight: 700; margin: 0 0 12px;
}
.hero-title {
  font-size: var(--fs-h1); color: #fff; margin: 0 0 16px;
  text-wrap: balance;
}
.hero-sub {
  font-size: clamp(16px, 2.1vw, 18px); color: rgba(255, 255, 255, .88);
  max-width: 62ch; margin: 0 0 32px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin: 0; }
.hero .btn-outline { color: #fff; border-color: rgba(255, 255, 255, .8); }
.hero .btn-outline:hover { background: #fff; color: var(--fs-ink); }

/* ============================================================
   14. Homepage — 2. Trust bar (inline SVG, no icon library)
   ============================================================ */
.fs-trust { background: var(--fs-oak-50); border-bottom: 1px solid var(--fs-oak-line); padding: 24px 0; }
.fs-trust-list {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 24px;
}
@media (min-width: 600px)  { .fs-trust-list { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 900px)  { .fs-trust-list { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
.fs-trust-item { display: flex; align-items: center; gap: 10px; color: var(--fs-ink-soft); }
.fs-icon { flex: 0 0 auto; color: var(--fs-ember); }
.fs-trust-label { font-size: var(--fs-small); font-weight: 600; color: var(--fs-ink); line-height: 1.3; }

/* ============================================================
   15. Homepage — sections, 3. product grid, 4. why-us table
   ============================================================ */
.fs-section { padding: 48px 0; }
@media (min-width: 900px) { .fs-section { padding: 80px 0; } }
.fs-section--panel {
  background: linear-gradient(180deg, rgba(255, 253, 248, .80) 0%, rgba(250, 243, 231, .80) 100%);
  border-block: 1px solid var(--fs-oak-line);
}
.fs-section-title {
  font-size: var(--fs-h2); margin: 0 0 12px; max-width: 30ch;
}
.fs-section-intro {
  font-size: var(--fs-body); color: var(--fs-ink-soft); max-width: 68ch; margin: 0 0 32px;
}

.fs-card-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
@media (min-width: 600px) { .fs-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; } }
.fs-card-grid--4 {}
@media (min-width: 1000px) {
  .fs-card-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
.fs-card-grid--scenario {}
@media (min-width: 900px) {
  .fs-card-grid--scenario { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
.fs-card-thumb-fallback {
  display: block; width: 100%; aspect-ratio: 3 / 2;
  background: repeating-linear-gradient(45deg, var(--fs-oak-100) 0 12px, var(--fs-oak-200) 12px 24px);
}

.fs-table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.fs-table { width: 100%; border-collapse: collapse; background: var(--fs-panel); font-size: var(--fs-body); }
.fs-table th, .fs-table td {
  border: 1px solid var(--fs-oak-line-strong); padding: 12px 16px; text-align: left; vertical-align: top;
}
.fs-table thead th { background: var(--fs-ink); color: #fff; }
.fs-table tbody th { background: var(--fs-oak-100); font-weight: 600; white-space: nowrap; }
@media (max-width: 760px) { .fs-table { min-width: 540px; } }

/* ============================================================
   16. Homepage — 6. social proof (logo wall + testimonial)
   ============================================================ */
.fs-logo-wall {
  list-style: none; margin: 0 0 32px; padding: 0;
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px;
  align-items: center;
}
@media (min-width: 600px) { .fs-logo-wall { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 900px) { .fs-logo-wall { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
.fs-logo-wall li { display: flex; align-items: center; justify-content: center; }
.fs-logo-wall img {
  max-height: 44px; width: auto; object-fit: contain;
  filter: grayscale(1); opacity: .72;
  transition: filter .2s ease, opacity .2s ease;
}
.fs-logo-wall img:hover { filter: grayscale(0); opacity: 1; }

.fs-quote {
  margin: 0; padding: 24px 28px; max-width: 76ch;
  background: var(--fs-panel);
  border-left: 4px solid var(--fs-ember);
  border-radius: 0 var(--fs-radius) var(--fs-radius) 0;
}
.fs-quote-text { font-size: clamp(18px, 2.2vw, 22px); line-height: 1.5; margin: 0 0 12px; }
.fs-quote-by { font-style: normal; font-size: var(--fs-small); color: var(--fs-ink-soft); }

/* ============================================================
   17. Homepage — 8. contact block (channels + status notice)
   ============================================================ */
.fs-inquiry-grid { display: grid; grid-template-columns: 1fr; gap: 32px; }
@media (min-width: 900px) { .fs-inquiry-grid { grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; } }
.fs-inquiry-facts { list-style: none; margin: 24px 0 0; padding: 0; }
.fs-inquiry-facts li {
  position: relative; padding-left: 26px; margin: 0 0 10px;
  font-size: var(--fs-small); color: var(--fs-ink-soft);
}
.fs-inquiry-facts li::before {
  content: ""; position: absolute; left: 0; top: .45em;
  width: 12px; height: 7px;
  border-left: 2px solid var(--fs-ember); border-bottom: 2px solid var(--fs-ember);
  transform: rotate(-45deg);
}
.fs-inquiry-form-wrap {
  background: var(--fs-panel); border: 1px solid var(--fs-oak-line-strong);
  border-radius: var(--fs-radius); padding: 24px;
}
.fs-form { margin: 0; }
.fs-form-row { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 600px) { .fs-form-row { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.fs-field { margin: 0 0 16px; }
.fs-field label { display: block; font-size: var(--fs-small); font-weight: 600; margin: 0 0 6px; }
.fs-req { color: var(--fs-ember); }
.fs-field input, .fs-field textarea {
  width: 100%; padding: 12px 14px;
  font-family: var(--fs-font); font-size: var(--fs-body); color: var(--fs-ink);
  background: #fff; border: 1px solid var(--fs-oak-line-strong);
  border-radius: 6px; line-height: 1.5;
}
.fs-field textarea { resize: vertical; }
.fs-field input:focus, .fs-field textarea:focus {
  outline: 2px solid var(--fs-ember); outline-offset: 1px; border-color: var(--fs-ember);
}
.fs-form-actions { margin: 8px 0 12px; }
.fs-form-note { font-size: var(--fs-small); color: var(--fs-ink-soft); margin: 0; }
/* Honeypot: visible to bots, invisible to people. */
.fs-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.fs-notice {
  margin: 0 0 16px; padding: 12px 16px; border-radius: 6px;
  font-size: var(--fs-small); border: 1px solid var(--fs-oak-line-strong);
}
.fs-notice--ok { background: #EAF6EC; border-color: #B7DFBF; color: #1D5B2A; }

/* ============================================================
   22. Contact block (replaces the retired inquiry form) + About page
   ============================================================ */
/* Copy-left / channel-cards-right grid printed by fspro_contact_block().
   No <form> is rendered anywhere on the site. */
.fs-contact-list { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 600px) { .fs-contact-list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
/* Full-width variant used inside page content (/contact/): four across on a
   desktop measure, two on a tablet, one on a phone. */
@media (min-width: 1000px) { .fs-contact-list--grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.fs-contact-list .fs-channel { min-width: 0; overflow-wrap: anywhere; }
.fs-contact-list .fs-channel-value a {
  color: var(--fs-ember-dark); text-decoration: none; border-bottom: 2px solid transparent;
}
.fs-contact-list .fs-channel-value a:hover { border-bottom-color: var(--fs-ember); }
.fs-contact-hours { margin: 24px 0 0; font-size: var(--fs-small); font-weight: 600; color: var(--fs-ink-soft); }
.fs-contact-note { margin: 8px 0 0; font-size: var(--fs-small); color: var(--fs-ink-soft); }

/* --- About page (page-about.php) --- */
.fs-about-page { max-width: 1000px; }
.fs-about-head { margin: 0 0 48px; }
.fs-about-head .entry-title { font-size: var(--fs-h1); margin: 0 0 12px; text-wrap: balance; }
.fs-about-section { margin-top: 48px; }
@media (min-width: 900px) { .fs-about-section { margin-top: 80px; } }
.fs-about-section--panel {
  padding: 28px 24px;
  background: linear-gradient(180deg, rgba(255, 253, 248, .84) 0%, rgba(250, 243, 231, .84) 100%);
  border: 1px solid var(--fs-oak-line);
  border-radius: var(--fs-radius);
}
.fs-about-empty {
  margin: 0; padding: 20px 24px;
  background: var(--fs-panel);
  border: 1px dashed var(--fs-oak-line-strong);
  border-radius: var(--fs-radius);
  color: var(--fs-ink-soft);
}

/* Company facts — two columns, label left. Two columns fit a phone, so the
   540px minimum used by the wide spec tables is switched off here. */
.fs-table--facts td { min-width: 220px; }
@media (max-width: 760px) {
  .fs-table--facts { min-width: 0; }
  .fs-table--facts th, .fs-table--facts td { padding: 10px 12px; min-width: 0; }
  .fs-table--facts tbody th { white-space: normal; }
}

/* Manufacturing process — numbered cards. */
.fs-steps { list-style: none; counter-reset: fs-step; margin: 0; padding: 0; display: grid; gap: 16px; }
.fs-step {
  counter-increment: fs-step;
  position: relative; min-width: 0;
  padding: 18px 20px 18px 58px;
  background: var(--fs-panel);
  border: 1px solid var(--fs-oak-line);
  border-radius: var(--fs-radius);
}
.fs-step::before {
  content: counter(fs-step);
  position: absolute; left: 18px; top: 18px;
  width: 26px; height: 26px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--fs-ember); color: #fff;
  font-size: var(--fs-small); font-weight: 700; line-height: 1;
}
.fs-step-name { display: block; font-weight: 700; margin: 0 0 4px; }
.fs-step-text { display: block; color: var(--fs-ink-soft); }

/* Quality control points. */
.fs-qc-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
@media (min-width: 700px) { .fs-qc-list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.fs-qc-item {
  min-width: 0; padding: 20px 22px;
  background: var(--fs-panel);
  border: 1px solid var(--fs-oak-line);
  border-left: 4px solid var(--fs-ember);
  border-radius: var(--fs-radius);
}
.fs-qc-name { display: block; font-weight: 700; margin: 0 0 6px; }
.fs-qc-text { display: block; font-size: var(--fs-small); color: var(--fs-ink-soft); }

/* Certifications — icon, name, number, issuer, register link. */
.fs-cert-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
@media (min-width: 600px) { .fs-cert-list { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); } }
.fs-cert {
  display: flex; gap: 12px; align-items: flex-start; min-width: 0; height: 100%;
  padding: 20px;
  background: var(--fs-panel);
  border: 1px solid var(--fs-oak-line);
  border-radius: var(--fs-radius);
}
.fs-cert-icon { flex: 0 0 auto; color: var(--fs-ember); }
.fs-cert-body { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.fs-cert-name { font-weight: 700; }
.fs-cert-number {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: var(--fs-small); overflow-wrap: anywhere;
}
.fs-cert-issuer { font-size: var(--fs-small); color: var(--fs-ink-soft); }
.fs-cert-link {
  align-self: flex-start; margin-top: 4px;
  font-size: var(--fs-small); font-weight: 600;
  color: var(--fs-ember-dark); text-decoration: none;
  border-bottom: 1px solid currentColor;
}

/* Factory photos — 3–4 images from the media library. */
.fs-photo-grid { display: grid; gap: 16px; }
@media (min-width: 560px) { .fs-photo-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); } }
.fs-photo { margin: 0; min-width: 0; }
.fs-photo img {
  display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border: 1px solid var(--fs-oak-line); border-radius: var(--fs-radius);
  background: var(--fs-oak-100);
}
.fs-photo-caption { margin: 8px 0 0; font-size: var(--fs-small); color: var(--fs-ink-soft); }

/* Contact band closing the About page — same width as the article above. */
.fs-about-contact { border-top: 1px solid var(--fs-oak-line); }
.fs-about-contact .wrap { max-width: 1000px; }

/* Contact page (page-contact.php): same measure as the About page, but the
   body copy below the channels keeps its own narrower reading width. */
.fs-contact-page { max-width: 1000px; }
.fs-contact-body { margin-top: 40px; max-width: 76ch; }
.fs-notice--error { background: #FDECE6; border-color: #F3C0AC; color: #8A2E10; }

/* ============================================================
   18. Product single (single-product.php)
   ============================================================ */
.fs-breadcrumb { font-size: var(--fs-small); color: var(--fs-ink-soft); margin: 0 0 24px; }
.fs-breadcrumb ol {
  list-style: none; display: flex; flex-wrap: wrap; align-items: center;
  gap: 8px; margin: 0; padding: 0;
}
.fs-breadcrumb li { display: inline-flex; align-items: center; gap: 8px; }
.fs-breadcrumb li + li::before {
  content: ""; width: 6px; height: 6px;
  border-right: 1.5px solid var(--fs-oak-line-strong);
  border-top: 1.5px solid var(--fs-oak-line-strong);
  transform: rotate(45deg); margin-right: 4px;
}
.fs-breadcrumb a { text-decoration: none; color: var(--fs-ink-soft); }
.fs-breadcrumb a:hover { color: var(--fs-ember-dark); }
.fs-breadcrumb [aria-current="page"] { color: var(--fs-ink); font-weight: 600; }

.fs-product-section { margin-top: 48px; }
@media (min-width: 900px) { .fs-product-section { margin-top: 80px; } }
.fs-product-section > h2 { font-size: var(--fs-h2); margin: 0 0 24px; max-width: 30ch; }

/* Key parameters: two columns, value column takes the room it needs. */
.fs-param-table {
  width: 100%; border-collapse: collapse; margin: 0 0 24px;
  background: var(--fs-panel); font-size: var(--fs-body);
}
.fs-param-table th, .fs-param-table td {
  border: 1px solid var(--fs-oak-line-strong); padding: 10px 14px; text-align: left;
}
.fs-param-table thead th { background: var(--fs-ink); color: #fff; }
.fs-param-table tbody th { background: var(--fs-oak-100); font-weight: 600; white-space: nowrap; }
.fs-param-table td { color: var(--fs-ink); }

/* OEM list: item + "Discuss your requirements" anchor per row. */
.fs-oem-list { list-style: none; margin: 0; padding: 0; }
.fs-oem-list li {
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between;
  gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--fs-oak-line);
}
.fs-oem-list li:first-child { border-top: 1px solid var(--fs-oak-line); }
.fs-oem-item { font-weight: 600; }
.fs-oem-link { font-size: var(--fs-small); font-weight: 600; color: var(--fs-ember-dark); text-decoration: none; white-space: nowrap; }
.fs-oem-link:hover { text-decoration: underline; }

/* FAQ accordion (no JS). */
.fs-faq-item {
  background: var(--fs-panel); border: 1px solid var(--fs-oak-line-strong);
  border-radius: var(--fs-radius); margin: 0 0 12px; overflow: hidden;
}
.fs-faq-item > summary {
  padding: 16px 20px; font-weight: 600; cursor: pointer; list-style: none;
}
.fs-faq-item > summary::-webkit-details-marker { display: none; }
.fs-faq-item[open] > summary { border-bottom: 1px solid var(--fs-oak-line); }
.fs-faq-item p { margin: 0; padding: 16px 20px; font-size: var(--fs-body); color: var(--fs-ink-soft); }

/* ============================================================
   19. Archive (archive.php) + article (single.php)
   ============================================================ */
.fs-archive-head { margin: 0 0 48px; }
.fs-archive-title { font-size: var(--fs-h2); margin: 0 0 12px; }
.fs-archive-head .fs-lead { margin: 0; }

/* Card date sits above the title in listings. */
.fs-card-date {
  font-size: var(--fs-small); color: var(--fs-ink-soft);
  letter-spacing: .02em; margin: 0;
}

/* Native the_posts_pagination(): <nav class="navigation fs-pagination"> */
.fs-pagination .nav-links { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.fs-pagination .page-numbers.dots { border-color: transparent; background: none; }
.fs-pagination .page-numbers:hover { border-color: var(--fs-ember); color: var(--fs-ember-dark); }

/* --- Article ------------------------------------------------- */
.fs-article { max-width: 1200px; }
.fs-article-head { margin: 0 0 32px; }
.fs-article-head .entry-title { font-size: var(--fs-h1); margin: 0 0 16px; max-width: 30ch; }
.fs-meta-sep { margin: 0 8px; color: var(--fs-oak-line-strong); }
.fs-meta-cats a { color: var(--fs-ember-dark); text-decoration: none; }
.fs-meta-cats a:hover { text-decoration: underline; }
.fs-article .entry-content { max-width: 76ch; }
.fs-tags {
  font-size: var(--fs-small); color: var(--fs-ink-soft);
  margin: 32px 0 0; padding-top: 24px; border-top: 1px solid var(--fs-oak-line);
}
.fs-tags a { color: var(--fs-ink-soft); text-decoration: none; }
.fs-tags a:hover { color: var(--fs-ember-dark); }
.fs-page-links { margin-top: 32px; font-size: var(--fs-small); font-weight: 600; }

/* Related products: auto-appended after the article body. */
.fs-related { margin-top: 48px; padding-top: 48px; border-top: 1px solid var(--fs-oak-line); }
.fs-related .fs-section-title { font-size: var(--fs-h3); }
.fs-card-grid--3 {}
@media (min-width: 900px) {
  .fs-card-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
/* Product cards are the third heading level — the article owns h2. */
.fs-related .fs-card-title { font-size: 18px; }

/* Lightweight inquiry CTA at the end of every article. */
.fs-cta-band {
  margin-top: 48px; padding: 24px 28px;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 24px;
  background: var(--fs-panel);
  border: 1px solid var(--fs-oak-line-strong);
  border-left: 4px solid var(--fs-ember);
  border-radius: 0 var(--fs-radius) var(--fs-radius) 0;
}
.fs-cta-text { margin: 0; max-width: 68ch; font-size: var(--fs-body); color: var(--fs-ink); }
.fs-cta-band .btn { flex: 0 0 auto; }

/* --- [geo_fact_table] ---------------------------------------- */
.fs-fact-table {
  margin: 32px 0; padding: 20px 24px 24px;
  background: var(--fs-panel);
  border: 1px solid var(--fs-oak-line-strong);
  border-radius: var(--fs-radius);
}
.fs-fact-title {
  font-size: var(--fs-small); font-weight: 700; letter-spacing: .04em;
  text-transform: uppercase; color: var(--fs-ink); margin: 0 0 12px;
}
.fs-fact-table .fs-table--facts { font-size: var(--fs-small); background: #fff; }
.fs-fact-table .fs-table--facts tbody th { white-space: normal; width: 38%; }
.fs-fact-note { margin: 12px 0 0; font-size: var(--fs-small); color: var(--fs-ink-soft); }
@media (max-width: 760px) { .fs-fact-table .fs-table--facts { min-width: 0; } }

/* ============================================================
   20. Case study (single-case_study.php)
   ============================================================ */
.fs-case { max-width: 1200px; }

.cs-header { margin: 0 0 32px; }
.cs-header .entry-title { font-size: var(--fs-h1); margin: 0 0 12px; max-width: 30ch; }
.cs-header .fs-lead { margin: 0; }
/* Client type · market — the only line above the result headline. */
.cs-eyebrow {
  margin: 0 0 14px; font-size: var(--fs-small); font-weight: 600;
  letter-spacing: .04em; text-transform: uppercase; color: var(--fs-ink-soft);
}

/* One rhythm for every section of the case. */
.cs-section { margin-top: 48px; }
@media (min-width: 900px) { .cs-section { margin-top: 80px; } }
.cs-section > h2 { font-size: var(--fs-h2); margin: 0 0 24px; }
.cs-section .entry-content { max-width: 76ch; margin-bottom: 24px; }

/* What we supplied: spec / customisation list. */
.cs-list { list-style: none; margin: 0; padding: 0; max-width: 76ch; }
.cs-list li {
  display: grid; grid-template-columns: 1fr; gap: 4px;
  padding: 12px 0; border-bottom: 1px solid var(--fs-oak-line);
  font-size: var(--fs-body);
}
.cs-list li:first-child { border-top: 1px solid var(--fs-oak-line); }
@media (min-width: 600px) {
  .cs-list li { grid-template-columns: minmax(140px, 34%) 1fr; gap: 24px; align-items: baseline; }
}
.cs-list-key { font-weight: 600; color: var(--fs-ink); }
.cs-list-val { color: var(--fs-ink-soft); }

/* Result list (used when a list reads better than a table). */
.cs-facts { list-style: none; margin: 0; padding: 0; max-width: 76ch; }
.cs-facts li {
  position: relative; padding: 10px 0 10px 26px;
  border-bottom: 1px solid var(--fs-oak-line); font-size: var(--fs-body);
}
.cs-facts li::before {
  content: ""; position: absolute; left: 0; top: .55em;
  width: 12px; height: 7px;
  border-left: 2px solid var(--fs-ember); border-bottom: 2px solid var(--fs-ember);
  transform: rotate(-45deg);
}
.fs-table--result { max-width: 900px; }
.fs-table--result tbody th { white-space: normal; width: 34%; }

/* Client quote — anonymised by design. */
.cs-quote {
  margin: 48px 0 0; padding: 24px 28px; max-width: 76ch;
  background: var(--fs-panel);
  border-left: 4px solid var(--fs-ember);
  border-radius: 0 var(--fs-radius) var(--fs-radius) 0;
}
.cs-quote-text { margin: 0; quotes: "\201C" "\201D"; }
.cs-quote-text p { margin: 0 0 12px; font-size: clamp(18px, 2.2vw, 22px); line-height: 1.5; }
.cs-quote-by { font-size: var(--fs-small); color: var(--fs-ink-soft); }
.cs-quote-by::before { content: "— "; }

.cs-products .fs-section-title { font-size: var(--fs-h3); }

/* ============================================================
   21. FAQ page (page-faq.php)
   Groups print in this fixed order: Product, Usage & Safety,
   Shipping & Storage, OEM & Customization, Compliance.
   ============================================================ */
.fs-faq-page { max-width: 900px; }
.fs-faq-head { margin: 0 0 32px; }
.fs-faq-head .entry-title { font-size: var(--fs-h1); margin: 0 0 12px; max-width: 30ch; }
.fs-faq-head .fs-lead { margin: 0; }

/* Contents — jump links to whichever groups actually have entries. */
.fs-faq-toc {
  margin: 0 0 48px; padding: 20px 24px;
  background: var(--fs-panel);
  border: 1px solid var(--fs-oak-line);
  border-radius: var(--fs-radius);
}
.fs-faq-toc-label {
  margin: 0 0 12px; font-size: var(--fs-small); font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase; color: var(--fs-ink-soft);
}
.fs-faq-toc-list {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 10px 24px;
}
.fs-faq-toc-item a {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: var(--fs-body); font-weight: 600;
  color: var(--fs-ink); text-decoration: none;
  border-bottom: 2px solid transparent; padding-bottom: 2px;
}
.fs-faq-toc-item a:hover { color: var(--fs-ember-dark); border-bottom-color: var(--fs-ember); }

/* Count pill next to each jump link. */
.fs-faq-toc-count {
  font-size: var(--fs-small); font-weight: 600; color: var(--fs-ink-soft);
  background: var(--fs-oak-100); border-radius: 999px; padding: 1px 8px;
}

/* One section per theme. */
.fs-faq-group { margin-top: 48px; }
@media (min-width: 900px) { .fs-faq-group { margin-top: 80px; } }
.fs-faq-group-title { font-size: var(--fs-h2); margin: 0 0 24px; }

/* Question row: chevron on the right, wraps cleanly on narrow screens. */
.fs-faq-item > summary {
  display: flex; gap: 16px; align-items: flex-start; justify-content: space-between;
}
.fs-faq-item > summary::after {
  content: ""; flex: 0 0 auto; margin-top: .45em;
  width: 9px; height: 9px;
  border-right: 2px solid var(--fs-ember); border-bottom: 2px solid var(--fs-ember);
  transform: rotate(45deg);
  transition: transform 160ms ease;
}
.fs-faq-item[open] > summary::after { transform: rotate(-135deg); }

/* Empty state — shown before any entry has been added. */
.fs-faq-empty {
  margin: 0; padding: 20px 24px;
  background: var(--fs-panel);
  border: 1px dashed var(--fs-oak-line-strong);
  border-radius: var(--fs-radius);
  color: var(--fs-ink-soft);
}

/* Closing CTA band → /contact/ */
.fs-faq-cta {
  margin-top: 64px; padding: 28px 32px;
  display: flex; flex-wrap: wrap; gap: 24px;
  align-items: center; justify-content: space-between;
  background: var(--fs-panel);
  border: 1px solid var(--fs-oak-line);
  border-left: 4px solid var(--fs-ember);
  border-radius: var(--fs-radius);
}
.fs-faq-cta-title { margin: 0 0 6px; font-size: var(--fs-h3); font-weight: 600; }
.fs-faq-cta-intro { margin: 0; color: var(--fs-ink-soft); }
.fs-faq-cta-action { margin: 0; }
@media (max-width: 600px) {
  .fs-faq-cta { flex-direction: column; align-items: flex-start; }
}

/* ============================================================
   23. Ad landing page (page-lp.php / header-lp.php / footer-lp.php)
   Single-column funnel on a 720px measure: no navigation, no
   outbound links, one action. Every link that is not the CTA is
   removed on purpose — paid traffic either converts or leaves.
   ============================================================ */

/* --- Minimal chrome --- */
.fs-lp-header {
  background: rgba(252, 247, 239, .9);
  border-bottom: 1px solid var(--fs-oak-line);
}
.fs-lp-header-inner {
  max-width: 720px; margin-inline: auto; padding: 14px 24px;
  display: flex; justify-content: center; align-items: center;
}
.fs-lp-logo { max-height: 36px; width: auto; display: block; }
.fs-lp-brand { font-size: 20px; font-weight: 700; letter-spacing: .01em; }

/* --- Shared measure --- */
.fs-lp { max-width: 720px; margin-inline: auto; padding-inline: 24px; }

/* --- 1. Hero --- */
.fs-lp-hero { padding-block: 40px 32px; text-align: center; }
@media (min-width: 900px) { .fs-lp-hero { padding-block: 64px 40px; } }
.fs-lp-title { font-size: clamp(28px, 5.6vw, 42px); margin: 0 0 16px; text-wrap: balance; }
.fs-lp-value {
  font-size: 17px; color: var(--fs-ink-soft);
  margin: 0 auto 28px; max-width: 56ch; text-wrap: pretty;
}
.fs-lp-cta { margin: 0; }
.fs-lp-cta-btn { padding: 16px 34px; font-size: 17px; }
@media (max-width: 480px) { .fs-lp-cta-btn { display: block; width: 100%; } }

/* --- Section rhythm --- */
.fs-lp-section { padding-block: 24px; }
@media (min-width: 900px) { .fs-lp-section { padding-block: 32px; } }
.fs-lp-h2 { font-size: var(--fs-h2); margin: 0 0 20px; }

/* --- 2. Benefit cards --- */
.fs-lp-benefit-list {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: 1fr; gap: 16px;
}
@media (min-width: 640px) { .fs-lp-benefit-list { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.fs-lp-benefit {
  background: var(--fs-panel);
  border: 1px solid var(--fs-oak-line);
  border-radius: var(--fs-radius);
  padding: 20px;
}
.fs-lp-benefit-icon { display: block; color: var(--fs-ember); margin: 0 0 10px; }
.fs-lp-benefit-title { display: block; font-weight: 700; margin: 0 0 6px; }
.fs-lp-benefit-text { display: block; font-size: var(--fs-small); color: var(--fs-ink-soft); }

/* --- 3. Media (still or clip) --- */
.fs-lp-media { margin: 0; }
.fs-lp-media img, .fs-lp-media video {
  display: block; width: 100%; height: auto;
  border: 1px solid var(--fs-oak-line); border-radius: var(--fs-radius);
  background: var(--fs-oak-100);
}
.fs-lp-media video { aspect-ratio: 16 / 9; object-fit: cover; }
.fs-lp-embed { position: relative; aspect-ratio: 16 / 9; }
.fs-lp-embed iframe {
  position: absolute; inset: 0; width: 100%; height: 100%;
  border: 0; border-radius: var(--fs-radius);
}
.fs-lp-media--placeholder {
  display: grid; place-items: center; min-height: 220px; padding: 24px;
  text-align: center; color: var(--fs-ink-soft); font-size: var(--fs-small);
  background: rgba(255, 253, 248, .55);
  border: 1px dashed var(--fs-oak-line-strong);
  border-radius: var(--fs-radius);
}
.fs-lp-media--placeholder p { margin: 0; max-width: 42ch; }
.fs-lp-media-caption { margin: 10px 0 0; font-size: var(--fs-small); color: var(--fs-ink-soft); }

/* --- 4. Social proof --- */
.fs-lp-quote {
  margin: 0 0 20px; padding: 20px 24px;
  background: var(--fs-panel);
  border: 1px solid var(--fs-oak-line);
  border-left: 4px solid var(--fs-ember);
  border-radius: var(--fs-radius);
}
.fs-lp-quote p { margin: 0; }
.fs-lp-quote-by {
  display: block; margin-top: 10px; font-style: normal;
  font-size: var(--fs-small); color: var(--fs-ink-soft);
}
.fs-lp-badges {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 8px;
}
.fs-lp-badge {
  font-size: var(--fs-small); font-weight: 700; letter-spacing: .04em;
  color: var(--fs-ink-soft);
  background: var(--fs-oak-100);
  border: 1px solid var(--fs-oak-line);
  border-radius: 999px; padding: 4px 12px;
}
.fs-lp-cta--inline { margin-top: 24px; }

/* --- 5. Form: one column, same width as the funnel above --- */
.fs-lp-form-section { padding-block: 40px 8px; }
.fs-inquiry-grid--stacked { grid-template-columns: 1fr; max-width: 720px; gap: 20px; }
@media (min-width: 900px) { .fs-inquiry-grid--stacked { grid-template-columns: 1fr; } }
.fs-lp-form-section .fs-inquiry-form-wrap { padding: 24px; }
@media (max-width: 600px) {
  .fs-lp-form-section .fs-form-actions .btn { display: block; width: 100%; }
}

/* --- 6. FAQ (reuses .fs-faq-item from section 21) --- */
.fs-lp-faq-section { padding-block: 8px 40px; }

/* --- Minimal footer --- */
.fs-lp-footer {
  margin-top: 40px; padding-block: 20px;
  background: rgba(252, 247, 239, .9);
  border-top: 1px solid var(--fs-oak-line);
}
.fs-lp-footer-inner {
  max-width: 720px; margin-inline: auto; padding-inline: 24px;
  display: flex; flex-wrap: wrap; gap: 8px 24px;
  align-items: center; justify-content: space-between;
  font-size: var(--fs-small); color: var(--fs-ink-soft);
}
.fs-lp-copy { margin: 0; }
.fs-lp-legal { display: flex; flex-wrap: wrap; gap: 8px 16px; }
.fs-lp-legal a { color: var(--fs-ink-soft); text-decoration: underline; }
.fs-lp-legal a:hover { color: var(--fs-ember-dark); }

/* ============================================================
   24. Visual refinement — alignment, density, placeholders
   Everything here is presentation only: no markup was moved and no
   copy was changed, so the SEO/GEO text stays byte-identical.
   ============================================================ */

/* --- 24.1 Placeholder values -------------------------------
   【待填】 is an internal marker. Shrinking and greying it keeps an
   unfilled spec from reading like a headline. */
.fs-tbd {
  color: #8B7F6D;
  font-weight: 400;
  font-size: .92em;
  letter-spacing: .01em;
}
td .fs-tbd, th .fs-tbd { white-space: nowrap; }
.fs-channel-value.is-empty {
  font-size: 20px; font-weight: 500; color: #8B7F6D; letter-spacing: .02em;
}

/* --- 24.2 Hero ---------------------------------------------
   .hero is a flex container, so .hero-inner was sized by its content
   (the 22ch title) and then centred by .wrap's auto margins — the hero
   text started ~250px right of every other section. width:100% makes
   the flex item fill the 1200px measure like the rest of the page. */
.hero-inner { max-width: var(--fs-wrap); width: 100%; }
.hero-title { max-width: 24ch; text-wrap: balance; }
@media (max-width: 900px) {
  .hero { padding: 64px 0; }
  .hero-title { max-width: none; }
}
@media (max-width: 600px) {
  .hero { min-height: 0; padding: 44px 0 36px; }
  .hero-sub { margin-bottom: 24px; }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 12px; }
  .hero-actions .btn, .hero-actions .btn-outline { width: 100%; }
}

/* --- 24.3 Trust bar ---------------------------------------
   Fixed 6-column grid vs. 5 badges left a hole on the right. */
.fs-trust-list { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
@media (min-width: 900px) {
  .fs-trust-item { justify-content: center; }
  .fs-trust-label { line-height: 1.35; }
}

/* --- 24.4 Card grids --------------------------------------
   Three products used to sit in a four-column grid. */
@media (min-width: 600px) {
  .fs-card-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fs-card-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* Equal-height cards: clamp the title and the blurb. */
.fs-card-title {
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; min-height: 0;
}
.fs-card-body > p:not(.fs-card-date):not(.fs-card-spec):not(.fs-product-meta) {
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
  overflow: hidden;
}
/* Spec line under a product name in the homepage grid. */
.fs-card-spec {
  margin: 0; font-size: var(--fs-small); color: var(--fs-ink-soft);
  letter-spacing: .01em;
}

/* Lift on hover — pointer devices only, disabled for reduced motion. */
@media (hover: hover) and (pointer: fine) {
  .fs-card { transition: transform .18s ease, box-shadow .18s ease; }
  .fs-card:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(30, 26, 19, .10); }
  .fs-card-thumb img { transition: transform .45s ease; }
  .fs-card:hover .fs-card-thumb img { transform: scale(1.035); }
}
@media (prefers-reduced-motion: reduce) {
  .fs-card, .fs-card-thumb img { transition: none; }
  .fs-card:hover { transform: none; box-shadow: none; }
  .fs-card:hover .fs-card-thumb img { transform: none; }
}

/* --- 24.5 Tables: tighter rows, zebra, sane column width --- */
.fs-table th, .fs-table td { padding: 11px 16px; }
.fs-table tbody tr:nth-child(even) > * { background: rgba(234, 220, 195, .32); }
.fs-table tbody th { width: 30%; }
.fs-table--why tbody th { width: 26%; }
.fs-table--why thead th:nth-child(2) { width: 36%; }

/* Two-column specification table: a 1200px-wide table with 12 short
   rows reads like an empty spreadsheet, so cap the measure. */
.fs-table--spec { max-width: 820px; }
.fs-table--spec tbody th { width: 40%; }
@media (max-width: 760px) {
  .fs-table--spec { max-width: none; }
  .fs-table--spec tbody th { width: auto; }
}

/* --- 24.6 Product H1: name first, spec as a smaller tail --- */
.fs-h1-tail {
  display: block; margin-top: 10px;
  font-size: .46em; font-weight: 600; line-height: 1.4;
  color: var(--fs-ink-soft); letter-spacing: .005em;
}

/* --- 24.7 Contact cards ----------------------------------- */
.fs-channel { transition: border-color .15s ease, box-shadow .15s ease; }
@media (hover: hover) {
  .fs-channel:hover { border-color: var(--fs-oak-line-strong); box-shadow: 0 6px 18px rgba(30, 26, 19, .07); }
}

/* --- 24.8 Focus ring --------------------------------------
   One visible ring for keyboard users, same colour everywhere. */
a:focus-visible, button:focus-visible, summary:focus-visible,
input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--fs-ember); outline-offset: 2px; border-radius: 4px;
}
.fs-faq-item > summary:focus-visible,
.entry-content details > summary:focus-visible { outline-offset: -2px; }

/* --- 24.9 Footer ------------------------------------------ */
.fs-footer p { margin-bottom: 6px; }
.fs-footer .fs-footer-brand { margin-bottom: 10px; }
.fs-footer ul li a { display: inline-block; padding-block: 1px; }

/* --- 24.10 Small screens: a touch more gutter ------------ */
@media (max-width: 400px) {
  .wrap { padding-inline: 18px; }
  .fs-section { padding: 40px 0; }
}

/* --- 24.11 Phone: product hero image and breadcrumb ----------
   A square 1:1 hero image eats the whole first screen on a phone. */
@media (max-width: 700px) {
  .fspk-main-image { aspect-ratio: 4 / 3; }
  .fs-breadcrumb { font-size: 13px; margin-bottom: 16px; }
  .fs-breadcrumb ol { gap: 6px; }
  .fs-breadcrumb li { gap: 6px; }
  .fs-lp-media--placeholder { min-height: 180px; }
}

/* --- 24.12 Product index (/products/) ---------------------
   Rebuilt as a real template: SKU and the headline price are the two
   facts a wholesale buyer scans for, so they sit directly under the name. */
.fs-products-page .fs-about-head .entry-title { max-width: 26ch; }
.fs-product-card .fs-card-title { min-height: 0; }
.fs-product-meta {
  display: flex; flex-wrap: wrap; align-items: baseline;
  gap: 4px 12px; margin: 2px 0 4px;
}
.fs-sku {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px; letter-spacing: .04em; color: var(--fs-ink-soft);
}
.fs-price { font-size: 19px; font-weight: 700; color: var(--fs-ember-dark); letter-spacing: -.01em; }
.fs-price.is-empty { font-size: 15px; font-weight: 500; color: #8B7F6D; }
.fs-products-body { margin-top: 56px; }

/* --- 24.13 Blog index (/blog/) ----------------------------
   Rebuilt from the page tree. The retired body shipped its own dark
   hero and a 100vw-plus container that pushed everything ~80px right
   of centre; this page uses the same measure as About and Contact. */
.fs-blog-page { max-width: 1000px; }
.fs-blog-page .fs-about-head .entry-title { max-width: 22ch; }

.fs-cluster-grid {
  display: grid; grid-template-columns: 1fr; gap: 24px;
}
@media (min-width: 780px) { .fs-cluster-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; } }
.fs-cluster-card .fs-card-body { padding: 28px; gap: 10px; }
.fs-cluster-card .fs-card-title { font-size: 21px; line-height: 1.3; -webkit-line-clamp: 3; }
.fs-cluster-card .fs-card-thumb { aspect-ratio: 16 / 7; }
.fs-cluster-meta {
  margin: 0; font-size: 12px; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--fs-ember-dark);
}

.fs-guide-index { margin-top: 72px; }
.fs-guide-index > h2 { margin-bottom: 8px; }
.fs-guide-list {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: 1fr; column-gap: 48px;
}
@media (min-width: 800px) { .fs-guide-list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.fs-guide-list li { border-bottom: 1px solid var(--fs-oak-line); }
.fs-guide-list a {
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  padding: 13px 0; text-decoration: none; color: var(--fs-ink);
}
.fs-guide-list a::after {
  content: "\2192"; flex: 0 0 auto; color: var(--fs-ember); font-size: 14px;
  opacity: 0; transition: opacity .15s ease, transform .15s ease;
}
.fs-guide-list a:hover .fs-guide-title { color: var(--fs-ember-dark); }
.fs-guide-list a:hover::after { opacity: 1; transform: translateX(2px); }
.fs-guide-title { font-size: 15px; font-weight: 600; line-height: 1.45; }
.fs-blog-body { margin-top: 56px; }
@media (prefers-reduced-motion: reduce) {
  .fs-guide-list a::after { transition: none; }
  .fs-guide-list a:hover::after { transform: none; }
}

/* Cluster cards without a featured image: text only, a numbered eyebrow
   instead of a striped placeholder box. */
.fs-cluster-card--text .fs-card-body { padding: 32px 32px 28px; min-height: 250px; }
.fs-cluster-card--text .fs-card-title { padding-top: 6px; }

/* --- 24.14 Child page index (/case-studies/, /industries/) ----
   Same retired-body problem as /blog/: a dark hero and a container wider
   than the viewport. Cards now come from the page's children. */
.fs-index-page { max-width: 1100px; }
.fs-index-page .fs-about-head .entry-title { max-width: 26ch; }
.fs-index-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
@media (min-width: 640px) { .fs-index-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; } }
@media (min-width: 980px) { .fs-index-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.fs-index-card .fs-card-body { padding: 26px 26px 24px; gap: 10px; }
.fs-index-card .fs-card-title { font-size: 19px; line-height: 1.32; -webkit-line-clamp: 4; }
.fs-index-body { margin-top: 56px; }

/* Case-study cards: the excerpt is a run-on fact line, so the template
   splits it into labelled rows instead of one dense paragraph. */
.fs-fact-rows { margin: 2px 0 6px; display: grid; gap: 6px; }
.fs-fact-rows > div { display: grid; grid-template-columns: 74px minmax(0, 1fr); gap: 10px; }
.fs-fact-rows dt {
  font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--fs-ink-soft); line-height: 1.5; padding-top: 1px;
}
.fs-fact-rows dd { margin: 0; font-size: var(--fs-small); color: var(--fs-ink); line-height: 1.5; }
.fs-index-card--facts .fs-card-title { -webkit-line-clamp: 3; }

/* ============================================================
   25. Service pages (page-service.php) — OEM / Compliance
   Sections are records in page meta, so this only styles the
   shells: grids, cards, notes. No per-page CSS is written into
   the editor again.
   ============================================================ */
.fs-service-head { max-width: 760px; margin: 0 0 8px; }
.fs-service-page { max-width: 980px; }
.fs-service-head .entry-title { max-width: 30ch; }
.fs-service-section { margin-top: 48px; }
@media (min-width: 900px) { .fs-service-section { margin-top: 72px; } }

/* Option / lever cards: two up on desktop, one up on a phone. */
.fs-svc-grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin-top: 24px; }
@media (min-width: 700px) { .fs-svc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; } }
.fs-svc-card {
  padding: 22px 22px 20px;
  background: var(--fs-panel);
  border: 1px solid var(--fs-oak-line);
  border-radius: var(--fs-radius);
}
.fs-svc-card-title { margin: 0 0 6px; font-size: 16px; font-weight: 700; line-height: 1.4; }
.fs-svc-card-text { margin: 0; font-size: var(--fs-small); color: var(--fs-ink-soft); line-height: 1.6; }

/* Standalone paragraphs and the closing note under a list or table. */
.fs-service-prose { margin: 0 0 14px; max-width: 74ch; }
.fs-service-note {
  margin: 18px 0 0; padding: 14px 18px; font-size: var(--fs-small);
  color: var(--fs-ink-soft); line-height: 1.6;
  background: var(--fs-oak-50); border-left: 3px solid var(--fs-ember);
  border-radius: 0 var(--fs-radius) var(--fs-radius) 0;
}
.fs-service-body > .wp-block-table { margin-top: 0; }
