/*
Theme Name: Synthon
Theme URI: https://synthonlab.com/
Author: SynthonLab
Description: Index-style catalogue theme for custom synthesis building blocks. No cart, no prices - every entry routes to a quotation request.
Version: 1.0.0
Requires at least: 6.4
Requires PHP: 8.0
License: Proprietary
Text Domain: synthon
*/

/* ============================================================
   1. Tokens
   ============================================================ */
:root {
  --ink: #0b2e4f;
  --ink-2: #16436d;
  --ink-3: #24597f;
  --accent: #b07d2b;
  --accent-2: #8f621d;
  --paper: #ffffff;
  --surface: #f1f4f7;
  --surface-2: #e6ecf1;
  --line: #d5dee6;
  --line-strong: #b9c6d2;
  --text: #1b2733;
  --muted: #5d6f7e;
  --muted-2: #7e8f9d;
  --ok: #1d6b4f;
  --warn: #8a4b12;

  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --wrap: 1240px;
  --gap: 24px;
  --radius: 4px;
  --shadow: 0 1px 2px rgba(11, 46, 79, .06), 0 8px 24px rgba(11, 46, 79, .05);
}

/* ============================================================
   2. Reset
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  font-variant-numeric: tabular-nums;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--ink-2); text-decoration: none; }
a:hover { color: var(--accent-2); }
h1, h2, h3, h4 { margin: 0 0 .6em; line-height: 1.22; color: var(--ink); font-weight: 650; letter-spacing: -.01em; }
h1 { font-size: clamp(1.9rem, 3.4vw, 2.75rem); }
h2 { font-size: clamp(1.35rem, 2.1vw, 1.75rem); }
h3 { font-size: 1.12rem; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.15em; }
li { margin-bottom: .35em; }
code, .mono { font-family: var(--mono); font-size: .92em; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }
::selection { background: var(--ink); color: #fff; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ============================================================
   3. Buttons
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  padding: 11px 20px; border: 1px solid var(--ink); border-radius: var(--radius);
  background: var(--ink); color: #fff; font-size: .94rem; font-weight: 600;
  cursor: pointer; transition: background .18s, border-color .18s, color .18s;
  text-align: center; line-height: 1.2;
}
.btn:hover { background: var(--ink-2); border-color: var(--ink-2); color: #fff; }
.btn svg { width: 16px; height: 16px; flex: 0 0 auto; }
.btn--accent { background: var(--accent); border-color: var(--accent); }
.btn--accent:hover { background: var(--accent-2); border-color: var(--accent-2); }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--surface); color: var(--ink); }
.btn--light { background: #fff; border-color: rgba(255,255,255,.65); color: var(--ink); }
.btn--light:hover { background: #fff; border-color: #fff; color: var(--ink); }
.btn--block { width: 100%; }
.btn--sm { padding: 7px 13px; font-size: .84rem; }

/* ============================================================
   4. Top bar + header
   ============================================================ */
.topbar {
  background: var(--ink); color: rgba(255,255,255,.82);
  font-size: .78rem; letter-spacing: .01em;
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 34px; }
.topbar a { color: rgba(255,255,255,.88); }
.topbar a:hover { color: #fff; }
.topbar__list { display: flex; align-items: center; gap: 18px; list-style: none; margin: 0; padding: 0; }
.topbar__list li { margin: 0; display: flex; align-items: center; gap: 6px; }
.topbar__list svg { width: 13px; height: 13px; opacity: .7; }
.topbar__right { display: flex; align-items: center; gap: 14px; }

.site-header {
  position: relative; z-index: 40;
  background: #fff; border-bottom: 1px solid var(--line);
}
.site-header.is-stuck { position: sticky; top: 0; box-shadow: 0 1px 0 var(--line), 0 6px 18px rgba(11,46,79,.06); }
.header-row {
  display: flex; align-items: center; gap: 28px;
  min-height: 68px;
}
.brand { display: flex; align-items: center; gap: 11px; flex: 0 0 auto; }
.brand img { height: 34px; width: auto; }
.brand__text { display: flex; flex-direction: column; line-height: 1.05; }
.brand__name { font-size: 1.16rem; font-weight: 700; color: var(--ink); letter-spacing: -.02em; }
.brand__sub { font-size: .64rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted-2); }

.nav { margin-left: 6px; }
.nav ul { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav li { position: relative; margin: 0; }
.nav > ul > li > a {
  display: block; padding: 10px 12px; font-size: .92rem; font-weight: 550;
  color: var(--text); border-radius: var(--radius);
}
.nav > ul > li > a:hover,
.nav > ul > li.current-menu-item > a,
.nav > ul > li.current-page-ancestor > a { background: var(--surface); color: var(--ink); }
.nav .sub-menu {
  position: absolute; top: calc(100% + 6px); left: 0; min-width: 250px;
  display: none; flex-direction: column; gap: 0;
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow);
  padding: 6px; border-radius: var(--radius); z-index: 60;
}
.nav li:hover > .sub-menu, .nav li:focus-within > .sub-menu { display: flex; }
.nav .sub-menu a { display: block; padding: 8px 10px; font-size: .88rem; border-radius: 2px; color: var(--text); }
.nav .sub-menu a:hover { background: var(--surface); color: var(--ink); }

.header-tools { display: flex; align-items: center; gap: 8px; margin-left: auto; flex: 0 0 auto; }
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border: 1px solid transparent; border-radius: var(--radius);
  background: transparent; color: var(--ink); cursor: pointer; padding: 0;
}
.icon-btn:hover { background: var(--surface); }
.icon-btn svg { width: 19px; height: 19px; }
.header-tools .btn { padding: 9px 16px; font-size: .88rem; }

.nav-toggle { display: none; }

/* search overlay */
.search-pop {
  position: absolute; left: 0; right: 0; top: 100%;
  background: #fff; border-bottom: 1px solid var(--line);
  box-shadow: 0 12px 24px rgba(11,46,79,.08);
  display: none; padding: 18px 0;
}
.search-pop.is-open { display: block; }
.search-pop form { display: flex; gap: 10px; align-items: center; }
.search-pop input[type="search"] {
  flex: 1; min-width: 0; padding: 13px 16px; font-size: 1rem;
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  font-family: var(--mono);
}
.search-pop input[type="search"]:focus { outline: 2px solid var(--ink-3); outline-offset: 1px; border-color: var(--ink-3); }
.search-pop__hint { margin: 8px 0 0; font-size: .8rem; color: var(--muted); font-family: var(--sans); }

/* mobile nav */
@media (max-width: 1080px) {
  .nav {
    position: fixed; inset: 0 0 0 auto; width: min(340px, 86vw);
    background: #fff; border-left: 1px solid var(--line);
    padding: 18px; display: none; overflow-y: auto; z-index: 90;
    margin: 0;
  }
  .nav.is-open { display: block; }
  .nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .nav > ul > li > a { padding: 13px 10px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav .sub-menu { position: static; display: flex; border: 0; box-shadow: none; padding: 0 0 6px 14px; min-width: 0; }
  .nav-toggle { display: inline-flex; }
  .header-tools .btn { display: none; }
  .nav-scrim { position: fixed; inset: 0; background: rgba(11,46,79,.35); z-index: 80; display: none; }
  .nav-scrim.is-open { display: block; }
}
@media (max-width: 700px) {
  .brand img { height: 29px; }
  .brand__sub { display: none; }
  .topbar .wrap { min-height: 30px; font-size: .72rem; }
  .topbar__list { gap: 14px; min-width: 0; }
  .topbar__list li { min-width: 0; }
  .topbar__list li:not(:first-child) { display: none; }
  .topbar__list li span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .topbar__right { display: none; }
  .hero__search .btn { padding: 12px 14px; font-size: .88rem; }
}

/* ============================================================
   5. Hero (index style - no product shots)
   ============================================================ */
.hero {
  position: relative; overflow: hidden;
  background: var(--ink); color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.hero__bg {
  position: absolute; inset: 0;
  background-image: url("../img/hero.webp");
  background-size: cover; background-position: center;
  opacity: .8;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(96deg, rgba(11,46,79,.96) 0%, rgba(11,46,79,.86) 42%, rgba(11,46,79,.28) 100%);
}
.hero__inner { position: relative; z-index: 2; padding: 54px 0 48px; }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 48px; align-items: start; }
.hero h1 { color: #fff; margin-bottom: 14px; font-size: clamp(1.85rem, 3.1vw, 2.6rem); }
.hero h1 em { font-style: normal; color: #e8c98a; }
.hero__lede { color: rgba(255,255,255,.8); font-size: 1.02rem; max-width: 44ch; margin-bottom: 22px; }
.hero__search { display: flex; gap: 8px; max-width: 520px; }
.hero__search input {
  flex: 1; min-width: 0; padding: 13px 15px; border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.28); background: rgba(255,255,255,.1);
  color: #fff; font-family: var(--mono); font-size: .95rem;
}
.hero__search input::placeholder { color: rgba(255,255,255,.55); }
.hero__search input:focus { outline: 2px solid #e8c98a; outline-offset: 1px; background: rgba(255,255,255,.16); }
.hero__meta { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 18px; font-size: .82rem; color: rgba(255,255,255,.66); }
.hero__meta span { display: inline-flex; align-items: center; gap: 6px; }
.hero__meta svg { width: 14px; height: 14px; opacity: .8; }

.hero__panel { border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.05); }
.hero__panel-head {
  padding: 10px 16px; border-bottom: 1px solid rgba(255,255,255,.16);
  font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.62);
}
.hero__stats { display: grid; grid-template-columns: 1fr 1fr; }
.hero__stat { padding: 15px 16px; border-bottom: 1px solid rgba(255,255,255,.1); border-right: 1px solid rgba(255,255,255,.1); }
.hero__stat:nth-child(2n) { border-right: 0; }
.hero__stat b { display: block; font-size: 1.5rem; font-weight: 600; color: #fff; line-height: 1.1; letter-spacing: -.02em; }
.hero__stat span { font-size: .74rem; color: rgba(255,255,255,.6); text-transform: uppercase; letter-spacing: .06em; }
.hero__panel-foot { padding: 11px 16px; font-size: .76rem; color: rgba(255,255,255,.62); }

@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; gap: 28px; }
  .hero__inner { padding: 40px 0 36px; }
  .hero__panel { display: none; }
}

/* ============================================================
   6. Group grid (nine-square functional group index)
   ============================================================ */
.group-strip { background: var(--surface); border-bottom: 1px solid var(--line); }
.group-strip__head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
  padding: 22px 0 12px;
}
.group-strip__head h2 { font-size: .82rem; letter-spacing: .13em; text-transform: uppercase; color: var(--muted); margin: 0; font-weight: 650; }
.group-strip__head a { font-size: .84rem; font-weight: 600; }

.ggrid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-bottom: 0;
}
.gcard {
  background: #fff; padding: 18px 18px 16px; display: flex; flex-direction: column;
  min-height: 150px; position: relative; transition: background .15s;
}
.gcard:hover { background: #fbfcfd; }
.gcard__n {
  font-family: var(--mono); font-size: .7rem; color: var(--muted-2);
  letter-spacing: .06em; margin-bottom: 6px;
}
.gcard h3 { font-size: 1rem; margin: 0 0 4px; line-height: 1.3; }
.gcard h3 a { color: var(--ink); }
.gcard h3 a:hover { color: var(--accent-2); }
.gcard__desc { font-size: .82rem; color: var(--muted); margin: 0 0 10px; line-height: 1.45; }
.gcard__foot {
  margin-top: auto; display: flex; align-items: center; justify-content: space-between;
  gap: 10px; font-size: .76rem; color: var(--muted-2); min-width: 0;
}
.gcard__foot > * { min-width: 0; }
.gcard__eg {
  font-size: .72rem; color: var(--muted-2); white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis; max-width: 62%;
}
.gcard__count { font-family: var(--mono); color: var(--ink-3); font-weight: 600; }
.gcard__tags { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 10px; }
.gtag {
  font-size: .68rem; letter-spacing: .02em; text-transform: uppercase;
  padding: 2px 6px; border: 1px solid var(--line-strong); border-radius: 2px;
  color: var(--muted); background: var(--surface);
}
.gcard--wide { grid-column: span 3; min-height: 0; flex-direction: row; align-items: center; justify-content: space-between; gap: 18px; }
.gcard--wide h3 { margin: 0; font-size: .95rem; }
.gcard--wide .gcard__desc { margin: 0; }

@media (max-width: 900px) {
  .ggrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gcard--wide { grid-column: span 2; }
}
@media (max-width: 560px) {
  .ggrid { grid-template-columns: 1fr; }
  .gcard--wide { grid-column: span 1; flex-direction: column; align-items: flex-start; }
  .gcard { min-height: 0; }
}

/* ============================================================
   7. Sections
   ============================================================ */
.section { padding: 46px 0; }
.section--tight { padding: 34px 0; }
.section--surface { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.section__head h2 { margin: 0; }
.section__head p { margin: 6px 0 0; color: var(--muted); font-size: .92rem; max-width: 62ch; }
.section__head a { font-size: .88rem; font-weight: 600; white-space: nowrap; }
.eyebrow {
  display: block; font-size: .72rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--muted-2); margin-bottom: 8px; font-weight: 650;
}

/* ============================================================
   8. Data tables (the backbone of this theme)
   ============================================================ */
.dtable-wrap { border: 1px solid var(--line); background: #fff; overflow-x: auto; }
.dtable { width: 100%; border-collapse: collapse; font-size: .875rem; min-width: 720px; }
.dtable th, .dtable td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.dtable thead th {
  background: var(--surface); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted); font-weight: 650; white-space: nowrap; border-bottom: 1px solid var(--line-strong);
}
.dtable tbody tr:hover { background: #fafcfd; }
.dtable tbody tr:last-child td { border-bottom: 0; }
.dtable .c-cas { font-family: var(--mono); font-size: .84rem; white-space: nowrap; color: var(--ink-3); }
.dtable .c-num { font-family: var(--mono); font-size: .84rem; white-space: nowrap; }
.dtable .c-name a { font-weight: 550; color: var(--ink); }
.dtable .c-name a:hover { color: var(--accent-2); }
.dtable .c-act { text-align: right; white-space: nowrap; }
.dtable .c-group { font-size: .8rem; color: var(--muted); }
.dtable--compact th, .dtable--compact td { padding: 7px 10px; }
.dtable__caption { font-size: .78rem; color: var(--muted); padding: 9px 12px; background: var(--surface); border-top: 1px solid var(--line); }

/* ============================================================
   9. Cards / callouts
   ============================================================ */
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.card { background: #fff; padding: 22px; }
.card h3 { font-size: 1rem; margin-bottom: 6px; }
.card p { font-size: .88rem; color: var(--muted); margin: 0; }
.card__n {
  font-family: var(--mono); font-size: .72rem; color: var(--accent);
  letter-spacing: .08em; margin-bottom: 10px; display: block;
}
@media (max-width: 900px) { .cards { grid-template-columns: 1fr; } }

.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.step { position: relative; padding-top: 16px; border-top: 2px solid var(--ink); }
.step::before {
  counter-increment: step; content: "0" counter(step);
  font-family: var(--mono); font-size: .72rem; color: var(--accent); letter-spacing: .1em;
}
.step h3 { font-size: .98rem; margin: 6px 0 6px; }
.step p { font-size: .85rem; color: var(--muted); margin: 0; }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

.note-box {
  border-left: 3px solid var(--accent); background: #fdfaf4;
  padding: 14px 18px; font-size: .88rem; color: #5b4a2c;
}
.note-box p:last-child { margin-bottom: 0; }
.note-box--ink { border-left-color: var(--ink); background: var(--surface); color: var(--muted); }

/* ============================================================
   10. Page head / breadcrumbs
   ============================================================ */
.page-head {
  background: var(--surface); border-bottom: 1px solid var(--line);
  padding: 22px 0 26px;
}
.page-head--ink { background: var(--ink); border-bottom: 0; }
.page-head--ink h1, .page-head--ink .crumbs a, .page-head--ink .crumbs span { color: #fff; }
.page-head--ink .lede { color: rgba(255,255,255,.78); }
.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: .78rem; color: var(--muted); margin-bottom: 10px; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--ink); }
.crumbs span[aria-current] { color: var(--text); }
.crumbs .sep { color: var(--line-strong); }
.page-head h1 { margin-bottom: 8px; }
.lede { color: var(--muted); font-size: 1rem; max-width: 72ch; margin: 0; }
.page-head__meta { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 12px; font-size: .82rem; color: var(--muted); }
.page-head__meta .mono { font-family: var(--mono); }

/* ============================================================
   11. Utility layout
   ============================================================ */
.split { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 40px; align-items: start; }
.split--rev { grid-template-columns: 300px minmax(0, 1fr); }
.side-card { border: 1px solid var(--line); background: #fff; }
.side-card + .side-card { margin-top: 18px; }
.side-card__head {
  padding: 11px 16px; border-bottom: 1px solid var(--line);
  font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); font-weight: 650;
}
.side-card__body { padding: 14px 16px; }
.side-card__body p:last-child { margin-bottom: 0; }

.spec { width: 100%; border-collapse: collapse; font-size: .875rem; }
.spec th, .spec td { text-align: left; padding: 9px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec th { color: var(--muted); font-weight: 500; width: 44%; font-size: .82rem; }
.spec td { font-weight: 600; color: var(--ink); font-family: var(--mono); font-size: .84rem; word-break: break-word; }
.spec tr:last-child th, .spec tr:last-child td { border-bottom: 0; }

.prose { font-size: .96rem; }
.prose h2 { font-size: 1.22rem; margin: 1.5em 0 .5em; padding-top: .2em; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 1.02rem; margin: 1.3em 0 .4em; }
.prose ul, .prose ol { margin-bottom: 1.1em; }
.prose table { width: 100%; border-collapse: collapse; font-size: .87rem; margin: 1em 0; }
.prose th, .prose td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; }
.prose th { background: var(--surface); font-weight: 600; }
.prose blockquote {
  margin: 1.2em 0; padding: 12px 18px; border-left: 3px solid var(--line-strong);
  color: var(--muted); font-size: .92rem; background: var(--surface);
}
.prose a { text-decoration: underline; text-underline-offset: 2px; text-decoration-color: var(--line-strong); }
.prose a:hover { text-decoration-color: var(--accent); }

/* ============================================================
   12. Compound single
   ============================================================ */
.cpd-head { border-bottom: 1px solid var(--line); padding: 20px 0 24px; background: #fff; }
.cpd-head__top { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px; }
.cpd-head h1 { margin: 0 0 6px; font-size: clamp(1.5rem, 2.5vw, 2.15rem); word-break: break-word; }
.cpd-head__cas { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; font-size: .88rem; color: var(--muted); }
.cpd-badge {
  display: inline-flex; align-items: center; gap: 5px; padding: 2px 8px;
  border: 1px solid var(--line-strong); border-radius: 2px; font-size: .72rem;
  text-transform: uppercase; letter-spacing: .06em; color: var(--muted);
}
.cpd-badge--ok { border-color: #b7d3c3; background: #f2f9f5; color: var(--ok); }

.cpd-body { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 40px; align-items: start; padding: 30px 0 40px; }
.cpd-main { min-width: 0; }
.cpd-side { position: sticky; top: 20px; }

.struct-box {
  border: 1px solid var(--line); background: #fff; padding: 18px;
  display: flex; align-items: center; justify-content: center; min-height: 130px;
  margin-bottom: 22px;
}
.struct-box img { max-height: 160px; width: auto; }
.struct-box figcaption {
  display: block; font-size: .74rem; color: var(--muted-2); text-align: center;
  margin-top: 10px; font-family: var(--mono);
}

.quick-spec { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border: 1px solid var(--line); margin-bottom: 24px; }
.quick-spec div { padding: 10px 14px; border-bottom: 1px solid var(--line); }
.quick-spec div:nth-child(2n) { border-right: 0; }
.quick-spec dt { font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 2px; }
.quick-spec dd { margin: 0; font-family: var(--mono); font-size: .9rem; color: var(--ink); font-weight: 600; }
@media (max-width: 960px) {
  .cpd-body { grid-template-columns: 1fr; gap: 28px; }
  .cpd-side { position: static; }
}
@media (max-width: 520px) {
  .quick-spec { grid-template-columns: 1fr; }
}

/* sibling table */
.siblings { margin-top: 36px; }

/* ============================================================
   13. Inquiry form
   ============================================================ */
.rfq {
  border: 1px solid var(--line); background: #fff;
}
.rfq__head { padding: 16px 18px; border-bottom: 1px solid var(--line); background: var(--surface); }
.rfq__head h2 { font-size: 1rem; margin: 0 0 3px; }
.rfq__head p { margin: 0; font-size: .8rem; color: var(--muted); }
.rfq__body { padding: 18px; }
.rfq--wide .rfq__body { padding: 24px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: .78rem; font-weight: 600; color: var(--ink); }
.field label .req { color: #a33; }
.field label .opt { font-weight: 400; color: var(--muted-2); font-size: .72rem; }
.field input, .field select, .field textarea {
  width: 100%; padding: 9px 11px; font-size: .9rem; font-family: var(--sans);
  border: 1px solid var(--line-strong); border-radius: var(--radius); background: #fff; color: var(--text);
}
.field textarea { min-height: 96px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: 2px solid var(--ink-3); outline-offset: 1px; border-color: var(--ink-3);
}
.field--check { flex-direction: row; align-items: flex-start; gap: 8px; grid-column: 1 / -1; }
.field--check input { width: 15px; height: 15px; margin-top: 3px; flex: 0 0 auto; }
.field--check label { font-weight: 400; font-size: .78rem; color: var(--muted); line-height: 1.45; }
.form-hint { font-size: .8rem; color: var(--muted); margin-bottom: 12px; }
.form-promise { font-size: .74rem; color: var(--muted); margin: 0 0 10px; }
.form-note { font-size: .72rem; color: var(--muted-2); margin: 10px 0 0; line-height: 1.5; }
.form-msg { display: none; }
.form-msg.is-ok, .form-msg.is-err {
  display: block; padding: 10px 13px; font-size: .85rem; margin-bottom: 12px;
  border-left: 3px solid;
}
.form-msg.is-ok { border-color: var(--ok); background: #f2f9f5; color: #14513c; }
.form-msg.is-err { border-color: #a33; background: #fdf4f4; color: #7a2020; }
.sl-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
form.is-busy button[type="submit"] { opacity: .6; pointer-events: none; }
@media (max-width: 620px) {
  .form-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   14. Footer
   ============================================================ */
.site-footer { background: var(--ink); color: rgba(255,255,255,.7); margin-top: 0; }
.footer-main { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; padding: 44px 0 34px; }
.footer-brand .brand__name { color: #fff; }
.footer-brand .brand__sub { color: rgba(255,255,255,.45); }
.footer-brand p { font-size: .84rem; margin: 12px 0 0; max-width: 34ch; line-height: 1.6; }
.footer-brand a { color: rgba(255,255,255,.85); }
.footer-col h3 {
  font-size: .72rem; letter-spacing: .13em; text-transform: uppercase;
  color: rgba(255,255,255,.5); margin-bottom: 12px; font-weight: 650;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 7px; }
.footer-col a { color: rgba(255,255,255,.78); font-size: .86rem; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12); padding: 16px 0 22px;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px;
  font-size: .76rem; color: rgba(255,255,255,.5);
}
.footer-bottom a { color: rgba(255,255,255,.6); }
.footer-note { font-size: .72rem; color: rgba(255,255,255,.42); line-height: 1.6; padding-bottom: 18px; max-width: 100ch; }
@media (max-width: 900px) {
  .footer-main { grid-template-columns: 1fr 1fr; gap: 24px; padding: 32px 0 24px; }
}
@media (max-width: 560px) {
  .footer-main { grid-template-columns: 1fr; }
}

/* ============================================================
   15. Misc
   ============================================================ */
.pagination { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 26px; }
.pagination .page-numbers {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 34px; height: 34px; padding: 0 10px; border: 1px solid var(--line);
  border-radius: 2px; font-size: .84rem; color: var(--text); background: #fff;
}
.pagination .page-numbers:hover { border-color: var(--ink-3); color: var(--ink); }
.pagination .page-numbers.current { background: var(--ink); border-color: var(--ink); color: #fff; }
.pagination .page-numbers.dots { border-color: transparent; background: transparent; }

.empty-state { border: 1px dashed var(--line-strong); padding: 40px 24px; text-align: center; color: var(--muted); }

.tag-row { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 18px; }
.tag-row a {
  font-size: .78rem; padding: 3px 9px; border: 1px solid var(--line);
  border-radius: 2px; color: var(--muted); background: #fff;
}
.tag-row a:hover { border-color: var(--ink-3); color: var(--ink); }

.result-count { font-size: .82rem; color: var(--muted); margin: 0 0 14px; }
.result-count b { color: var(--ink); font-family: var(--mono); }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
@media (max-width: 820px) { .two-col { grid-template-columns: 1fr; gap: 22px; } }

.def-list { border-top: 1px solid var(--line); }
.def-list > div { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 20px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.def-list dt { font-weight: 650; color: var(--ink); font-size: .9rem; }
.def-list dd { margin: 0; font-size: .9rem; color: var(--muted); }
@media (max-width: 700px) { .def-list > div { grid-template-columns: 1fr; gap: 4px; } }

.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  cursor: pointer; padding: 14px 0; font-weight: 600; color: var(--ink);
  font-size: .95rem; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 14px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-family: var(--mono); color: var(--muted-2); font-size: 1.1rem; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { font-size: .9rem; color: var(--muted); padding-bottom: 14px; margin: 0; }

/* print */
@media print {
  .topbar, .site-header, .site-footer, .rfq, .hero__search { display: none !important; }
  body { font-size: 12pt; }
  a { color: #000; }
}