/* HOPE — 3D filament extrusion lines. Static site, no external dependencies. */

:root {
  --ink: #14201a;
  --ink2: #2b3a31;
  --muted: #64746a;
  --line: #dfe4de;
  --line2: #eef1ec;
  --paper: #ffffff;
  --soft: #f5f7f3;
  --green: #2f4a33;
  --green-d: #1f3320;
  --green-l: #eaf0e7;
  --accent: #a25a13;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --wrap: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 16px/1.62 var(--sans);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; text-decoration: none; }

.wrap { width: min(100% - 48px, var(--wrap)); margin-inline: auto; }

/* ---------- header ---------- */
.site-head {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-head .wrap { display: flex; align-items: center; gap: 28px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: .14em; font-size: 15px; }
.brand .mark {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--green); color: #fff;
  display: grid; place-items: center; font-size: 13px; font-weight: 800; letter-spacing: 0;
}
.brand small { display: block; font-size: 9px; letter-spacing: .18em; color: var(--muted); font-weight: 600; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 26px; }
.nav a { font-size: 14px; color: var(--ink2); }
.nav a:hover { color: var(--green); }
.nav .cta { color: #fff; background: var(--green); padding: 10px 18px; border-radius: 2px; font-weight: 600; }
.nav .cta:hover { background: var(--green-d); color: #fff; }

.langs { display: flex; align-items: center; gap: 12px; padding-left: 18px; margin-left: 4px; border-left: 1px solid var(--line); }
.langs a { font: 600 11px/1 var(--mono); letter-spacing: .06em; color: var(--muted); }
.langs a:hover { color: var(--green); }
.langs a.is-here { color: var(--ink); }
.langs a.is-here::after { content: ""; display: block; height: 1px; background: var(--green); margin-top: 4px; }

/* ---------- hero ---------- */
.hero { padding: 72px 0 56px; background: linear-gradient(180deg, var(--soft), #fff 72%); border-bottom: 1px solid var(--line); }
.hero-in { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 56px; align-items: center; }
.kicker {
  font: 600 10.5px/1 var(--mono); letter-spacing: .2em; text-transform: uppercase;
  color: var(--green); margin: 0 0 18px; display: flex; align-items: center; gap: 10px;
}
.kicker::before { content: ""; width: 26px; height: 1px; background: var(--green); }
h1 { margin: 0; font-size: clamp(34px, 4.4vw, 58px); line-height: 1.03; letter-spacing: -.03em; font-weight: 800; }
h1 em { font-style: normal; color: var(--green); }
.lede { margin: 22px 0 0; font-size: 17.5px; line-height: 1.62; color: var(--ink2); max-width: 54ch; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.hero-media { position: relative; }
.hero-media img { width: 100%; border: 1px solid var(--line); background: #fff; }
.hero-media figcaption { margin-top: 10px; font-size: 11.5px; color: var(--muted); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 22px; border-radius: 2px; font-weight: 650; font-size: 14.5px;
  border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-d); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--green); color: var(--green); }
.btn-light { background: #fff; color: var(--green-d); }
.btn-light:hover { background: var(--green-l); }

/* ---------- stat strip ---------- */
.stats { border-bottom: 1px solid var(--line); }
.stats .wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.stat { padding: 26px 26px 26px 0; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat b { display: block; font-size: 30px; letter-spacing: -.02em; line-height: 1; }
.stat span { display: block; margin-top: 8px; font: 500 10.5px/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }

/* ---------- sections ---------- */
section.band { padding: 74px 0; }
section.band.alt { background: var(--soft); border-block: 1px solid var(--line); }
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 34px; }
.sec-head h2 { margin: 0; font-size: clamp(26px, 3vw, 38px); line-height: 1.08; letter-spacing: -.02em; }
.sec-head p { margin: 0; max-width: 42ch; font-size: 14.5px; color: var(--muted); }

/* ---------- model cards ---------- */
.models { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.models.models-2 { grid-template-columns: repeat(2, 1fr); }
.model-card { border: 1px solid var(--line); background: #fff; display: flex; flex-direction: column; }
.model-card .ph { background: #fff; border-bottom: 1px solid var(--line2); aspect-ratio: 4 / 3; display: grid; place-items: center; padding: 14px; }
.model-card .ph img { width: 100%; height: 100%; object-fit: contain; }
.model-card .body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.model-card .code { font: 600 10.5px/1 var(--mono); letter-spacing: .12em; color: var(--accent); }
.model-card h3 { margin: 0; font-size: 17px; line-height: 1.3; }
.model-card p { margin: 0; font-size: 13.5px; color: var(--muted); }
.model-card .mini { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--line2); display: flex; justify-content: space-between; font: 500 12px/1 var(--mono); color: var(--ink2); }

/* ---------- spec table ---------- */
.spec-table { width: 100%; border-collapse: collapse; border: 1px solid var(--line); background: #fff; }
.spec-table th, .spec-table td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--line2); font-size: 14px; }
.spec-table th { font: 600 10px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); background: var(--soft); }
.spec-table tr:last-child td { border-bottom: 0; }
.spec-table td.num { font-family: var(--mono); font-size: 13.5px; }
.spec-table .name { font-weight: 650; }

/* ---------- lists ---------- */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: start; }
.checks { list-style: none; margin: 0; padding: 0; }
.checks li { padding: 14px 0 14px 30px; position: relative; border-bottom: 1px solid var(--line2); font-size: 15px; }
.checks li::before { content: "✓"; position: absolute; left: 0; top: 13px; color: var(--green); font-weight: 700; }
.plain { margin: 0; padding-left: 18px; }
.plain li { margin: 8px 0; font-size: 14.5px; color: var(--ink2); }

/* ---------- chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { border: 1px solid var(--line); background: #fff; padding: 9px 16px; font: 600 12.5px/1 var(--mono); letter-spacing: .08em; }

/* ---------- cta band ---------- */
.cta-band { background: var(--green-d); color: #fff; padding: 66px 0; }
.cta-band .wrap { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr); gap: 48px; align-items: center; }
.cta-band h2 { margin: 0; font-size: clamp(26px, 3vw, 38px); line-height: 1.1; letter-spacing: -.02em; }
.cta-band p { margin: 14px 0 0; color: rgba(255,255,255,.76); font-size: 15.5px; max-width: 52ch; }
.cta-band .actions { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }

/* ---------- product detail ---------- */
.page-head { padding: 54px 0 44px; border-bottom: 1px solid var(--line); background: var(--soft); }
.crumbs { font: 500 11px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 18px; }
.crumbs a:hover { color: var(--green); }
.page-head h1 { font-size: clamp(30px, 3.6vw, 46px); }
.page-head .lede { font-size: 16px; }
.detail-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 48px; align-items: start; }
.detail-media { background: #fff; border: 1px solid var(--line); padding: 20px; }
.detail-media img { width: 100%; object-fit: contain; }

/* ---------- table of models (equipment index) ---------- */
.model-rows { border-top: 2px solid var(--ink); }
.model-row { display: grid; grid-template-columns: 150px minmax(0, 1fr) 130px 150px 110px; gap: 20px; align-items: center; padding: 22px 0; border-bottom: 1px solid var(--line); }
.model-row:hover { background: var(--soft); }
.model-row .code { font: 600 13px/1 var(--mono); letter-spacing: .06em; color: var(--accent); }
.model-row h3 { margin: 0; font-size: 17px; }
.model-row .sub { font-size: 12.5px; color: var(--muted); margin-top: 4px; }
.model-row .val { font: 500 13px/1.3 var(--mono); color: var(--ink2); }
.model-row .label { display: block; font: 500 9.5px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 5px; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 54px; align-items: start; }
.contact-list { list-style: none; margin: 0; padding: 0; }
.contact-list li { padding: 16px 0; border-bottom: 1px solid var(--line2); }
.contact-list span { display: block; font: 600 10px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 7px; }
.contact-list strong { font-weight: 600; font-size: 15.5px; }

form.enquiry { border: 1px solid var(--line); padding: 26px; background: #fff; }
form.enquiry .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { margin-bottom: 14px; }
.field label { display: block; font: 600 10px/1 var(--mono); letter-spacing: .13em; text-transform: uppercase; color: var(--muted); margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%; border: 1px solid var(--line); background: #fff; color: var(--ink);
  padding: 12px 13px; font: 400 15px/1.4 var(--sans); border-radius: 2px;
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(47,74,51,.1); }
.form-note { font-size: 12px; color: var(--muted); margin: 12px 0 0; }
.form-status { margin-top: 14px; font-size: 14px; display: none; }
.form-status.ok { display: block; color: var(--green); }
.form-status.err { display: block; color: #a33; }

/* ---------- footer ---------- */
.site-foot { background: #0f1a13; color: rgba(255,255,255,.7); padding: 58px 0 30px; font-size: 13.5px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 34px; border-bottom: 1px solid rgba(255,255,255,.12); }
.site-foot h2 { margin: 0 0 14px; font: 600 10px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: rgba(255,255,255,.5); }
.site-foot a { display: inline-block; padding: 3px 0; }
.site-foot a:hover { color: #fff; }
.site-foot .foot-brand { color: #fff; font-weight: 800; letter-spacing: .14em; font-size: 15px; }
.site-foot .foot-brand small { display: block; color: rgba(255,255,255,.5); font-size: 9px; letter-spacing: .18em; margin-top: 6px; font-weight: 600; }
.foot-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 22px; font-size: 12px; color: rgba(255,255,255,.58); flex-wrap: wrap; }

/* ---------- utilities ---------- */
.mono { font-family: var(--mono); }
.hint { font-size: 12.5px; color: var(--muted); }
.mt-0 { margin-top: 0; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .hero-in, .split, .detail-grid, .contact-grid, .cta-band .wrap { grid-template-columns: 1fr; gap: 30px; }
  .models, .models.models-2 { grid-template-columns: repeat(2, 1fr); }
  .stats .wrap { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .model-row { grid-template-columns: 1fr 1fr; gap: 10px 20px; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .nav { gap: 16px; }
  .langs { gap: 9px; padding-left: 12px; }
  .nav a:not(.cta) { display: none; }
}
@media (max-width: 620px) {
  .models, .models.models-2 { grid-template-columns: 1fr; }
  .row, form.enquiry .row { grid-template-columns: 1fr; }
  section.band { padding: 52px 0; }
  h1 { font-size: 34px; }
}

@media (max-width: 760px) {
  .site-head .wrap { height: auto; flex-wrap: wrap; padding: 12px 0; gap: 12px; }
  .langs { width: 100%; border-left: 0; padding-left: 0; margin-left: 0; gap: 14px; }
}

/* ---------- CJK typography: looser leading, lighter display weight ---------- */
:lang(zh-Hans) body, :lang(zh-Hant) body { line-height: 1.75; }
:lang(zh-Hans) h1, :lang(zh-Hant) h1 { line-height: 1.22; letter-spacing: 0; font-weight: 700; }
:lang(zh-Hans) h2, :lang(zh-Hant) h2,
:lang(zh-Hans) .sec-head h2, :lang(zh-Hant) .sec-head h2 { line-height: 1.3; letter-spacing: 0; font-weight: 700; }
:lang(zh-Hans) .lede, :lang(zh-Hant) .lede { line-height: 1.85; }
:lang(zh-Hans) .stat b, :lang(zh-Hant) .stat b { letter-spacing: 0; }
:lang(zh-Hans) p, :lang(zh-Hant) p { text-wrap: pretty; }
:lang(zh-Hans) .model-card h3, :lang(zh-Hant) .model-card h3 { line-height: 1.5; }
:lang(zh-Hans) .checks li, :lang(zh-Hant) .checks li { line-height: 1.8; }

/* =====================================================================
   2026-11 additions: support pages, mobile navigation, spec table actions,
   sticky phone call to action.
   ===================================================================== */

/* five footer columns now that Support exists */
.foot-grid { grid-template-columns: 1.5fr 1fr 1fr 1fr 1.3fr; }

/* six nav items plus the CTA have to share one row */
.nav { gap: 21px; }
.nav a { font-size: 13.5px; }
.nav .cta { font-size: 13.5px; }

/* ---------- cross links between equipment and the support pages ---------- */
.xref { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.xref-card {
  border: 1px solid var(--line); background: #fff; padding: 26px 24px;
  display: grid; gap: 10px; align-content: start;
}
.xref-card:hover { border-color: var(--green); }
.xref-card .kicker { margin: 0 0 4px; }
.xref-card h3 { margin: 0; font-size: 19px; letter-spacing: -.01em; }
.xref-card p { margin: 0; font-size: 13.5px; color: var(--muted); }
.xref-card .go { color: var(--green); font-weight: 700; font-size: 15px; }

/* ---------- numbered steps ---------- */
.steps {
  list-style: none; counter-reset: step; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px;
}
.steps li { counter-increment: step; border-top: 2px solid var(--ink); padding-top: 16px; }
.steps li::before {
  content: counter(step, decimal-leading-zero); display: block; margin-bottom: 12px;
  font: 700 11.5px/1 var(--mono); letter-spacing: .12em; color: var(--accent);
}
.steps li span { font-size: 14.5px; line-height: 1.58; }
.steps li strong { font-weight: 650; }

/* ---------- close-up gallery ---------- */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.gallery-item { margin: 0; border: 1px solid var(--line); background: #fff; padding: 12px; }
.gallery-item img { width: 100%; height: auto; }
.gallery-item figcaption {
  margin-top: 11px; font: 500 10.5px/1.3 var(--mono);
  letter-spacing: .1em; text-transform: uppercase; color: var(--muted);
}

/* ---------- FAQ accordion (native details/summary) ---------- */
.faq { max-width: 920px; }
.faq-group {
  font: 600 11px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase;
  color: var(--muted); margin: 44px 0 10px;
}
.faq-group:first-child { margin-top: 0; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  list-style: none; cursor: pointer; position: relative;
  padding: 20px 44px 20px 0; font-size: 16.5px; font-weight: 650; line-height: 1.4;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--green); }
.faq-item summary .mark { position: absolute; right: 4px; top: 25px; width: 13px; height: 13px; }
.faq-item summary .mark::before, .faq-item summary .mark::after {
  content: ""; position: absolute; background: var(--green);
}
.faq-item summary .mark::before { left: 0; top: 5px; width: 13px; height: 2px; }
.faq-item summary .mark::after { left: 5.5px; top: 0; width: 2px; height: 13px; transition: transform .18s; }
.faq-item[open] summary .mark::after { transform: scaleY(0); }
.faq-item .a { padding: 0 44px 24px 0; }
.faq-item .a p { margin: 0; font-size: 15px; line-height: 1.68; color: var(--ink2); max-width: 72ch; }

/* ---------- specification table actions ---------- */
.table-scroll { overflow-x: auto; }
.spec-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.spec-actions .btn { padding: 10px 16px; font-size: 13px; }

/* ---------- honeypot: present for bots, unreachable for people ---------- */
.hp { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }

/* ---------- sticky phone call to action, hidden on desktop ---------- */
.sticky-cta { display: none; }

@media (max-width: 980px) {
  /* the header stacks into two rows: brand + languages, then a scrollable nav */
  .site-head .wrap { height: auto; flex-wrap: wrap; padding: 10px 0 8px; row-gap: 10px; }
  .brand { order: 1; }
  .langs {
    order: 2; width: auto; margin-left: auto;
    border-left: 0; padding-left: 0; gap: 12px;
  }
  .nav {
    order: 3; width: 100%; margin-left: 0; gap: 18px;
    overflow-x: auto; scrollbar-width: none; padding-bottom: 2px;
  }
  .nav::-webkit-scrollbar { display: none; }
  .nav a:not(.cta) {
    display: inline-block; white-space: nowrap; font-size: 13px;
    padding: 2px 0; border-bottom: 1px solid transparent;
  }
  .nav a:not(.cta)[aria-current="page"] { border-bottom-color: var(--green); color: var(--green); }
  .nav .cta { margin-left: auto; padding: 9px 15px; font-size: 13px; }

  .foot-grid { grid-template-columns: 1fr 1fr; }
  .xref { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .steps { grid-template-columns: 1fr; }
  .steps li { padding-top: 12px; }
  .faq-item summary { font-size: 15.5px; padding-right: 34px; }
  .faq-item .a { padding-right: 0; }

  /* on a phone the header is a stack; the five language links wrap instead of
     pushing the document wider than the viewport */
  .site-head .wrap { flex-direction: column; align-items: stretch; row-gap: 8px; }
  .brand, .langs, .nav { order: 0; width: 100%; margin-left: 0; }
  .langs { flex-wrap: wrap; gap: 8px 14px; }
  .nav { overflow-x: auto; }

  .sticky-cta {
    display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
    background: rgba(255, 255, 255, .97); border-top: 1px solid var(--line);
    box-shadow: 0 -6px 20px rgba(0, 0, 0, .07);
    backdrop-filter: blur(8px);
  }
  .sticky-cta .btn { justify-content: center; padding: 12px 10px; font-size: 14px; }
  body { padding-bottom: 76px; }
  .site-foot { padding-bottom: 84px; }
}

@media (min-width: 981px) and (max-width: 1150px) {
  .nav { gap: 14px; }
  .nav a, .nav .cta { font-size: 12.5px; }
}

/* very small phones: the footer stops being a grid rather than overflow the page */
@media (max-width: 360px) {
  .foot-grid { grid-template-columns: 1fr; gap: 26px; }
}
.site-foot p, .site-foot a, .foot-bottom span { overflow-wrap: anywhere; }

/* CJK leading for the new blocks */
:lang(zh-Hans) .faq-item summary, :lang(zh-Hant) .faq-item summary { line-height: 1.6; font-weight: 600; }
:lang(zh-Hans) .faq-item .a p, :lang(zh-Hant) .faq-item .a p { line-height: 1.9; }
:lang(zh-Hans) .steps li span, :lang(zh-Hant) .steps li span { line-height: 1.85; }
:lang(zh-Hans) .xref-card h3, :lang(zh-Hant) .xref-card h3 { line-height: 1.45; }
:lang(zh-Hans) .gallery-item figcaption, :lang(zh-Hant) .gallery-item figcaption { letter-spacing: .04em; }