/* =========================================================
   ZONGYE Packaging — FIBC Bulk Bag Manufacturer
   Brand design system  |  Built for Google SEO + GEO
   Palette derived from the ZONGYE logo (deep navy + amber)
   ========================================================= */

:root {
  /* Brand navy (from logo) */
  --navy-900: #0E1F47;
  --navy-800: #142A5C;
  --navy-700: #1F3C88;   /* logo primary */
  --navy-600: #2E4FA3;
  --navy-200: #C7D4EA;
  --navy-100: #E8EEF7;
  --navy-050: #F4F7FC;

  /* Accent — amber (energy / CTA) */
  --amber-500: #F5A524;
  --amber-600: #E08E12;
  --amber-050: #FEF6E7;

  /* Secondary — teal (sustainability / green) */
  --teal-500: #0F9B8E;
  --teal-600: #0B7C72;

  /* Neutrals */
  --ink: #0F1B2D;
  --body: #44505F;
  --muted: #6B7785;
  --line: #E4EAF1;
  --bg: #FFFFFF;
  --bg-soft: #F5F8FC;
  --bg-mist: #EEF3F9;

  /* Type */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-head: "Manrope", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Radius / shadow */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(14,31,71,.06), 0 1px 3px rgba(14,31,71,.08);
  --shadow-md: 0 6px 18px rgba(14,31,71,.10);
  --shadow-lg: 0 18px 48px rgba(14,31,71,.16);

  --maxw: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--body);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  color: var(--ink);
  line-height: 1.2;
  margin: 0 0 .5em;
  letter-spacing: -0.01em;
  font-weight: 800;
}
h1 { font-size: clamp(32px, 5vw, 52px); }
h2 { font-size: clamp(26px, 3.4vw, 38px); }
h3 { font-size: clamp(20px, 2.4vw, 24px); }
h4 { font-size: 18px; }
p { margin: 0 0 1em; }
a { color: var(--navy-700); text-decoration: none; }
a:hover { color: var(--navy-600); }
img { max-width: 100%; display: block; height: auto; }
ul, ol { margin: 0 0 1em; padding-left: 1.2em; }
li { margin: .35em 0; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-head); font-weight: 700; font-size: 15px;
  padding: 13px 24px; border-radius: var(--r-pill);
  border: 1.5px solid transparent; cursor: pointer; white-space: nowrap;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn-primary { background: var(--amber-500); color: #3A2600; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--amber-600); color: #3A2600; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; border-color: rgba(255,255,255,.55); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn-outline-dark { background: transparent; border-color: var(--navy-700); color: var(--navy-700); }
.btn-outline-dark:hover { background: var(--navy-700); color: #fff; }
.btn-lg { padding: 16px 30px; font-size: 16px; }

/* ---------- Top bar ---------- */
.topbar {
  background: var(--navy-900); color: #cdd9ec; font-size: 13px;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 40px; flex-wrap: wrap; }
.topbar a { color: #cdd9ec; }
.topbar a:hover { color: #fff; }
.topbar .tb-left, .topbar .tb-right { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.topbar .tb-right a { display: inline-flex; align-items: center; gap: 6px; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92); backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 74px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 38px; width: auto; }
.brand .brand-name { font-family: var(--font-head); font-weight: 800; font-size: 18px; color: var(--navy-800); letter-spacing: .02em; }
.brand .brand-sub { font-size: 11px; color: var(--muted); letter-spacing: .14em; text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  font-family: var(--font-head); font-weight: 600; font-size: 15px; color: var(--ink);
  padding: 9px 14px; border-radius: var(--r-sm); transition: background .15s ease, color .15s ease;
}
.nav a:hover { background: var(--navy-050); color: var(--navy-700); }
.nav a.active { color: var(--navy-700); background: var(--navy-050); }

.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: var(--r-sm); padding: 8px 10px; cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(46,79,163,.35), transparent 60%),
    linear-gradient(135deg, var(--navy-900) 0%, var(--navy-800) 45%, var(--navy-700) 100%);
  color: #fff;
}
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 64px;
  background: var(--bg); clip-path: polygon(0 100%, 100% 100%, 100% 0);
}
.hero .container { position: relative; z-index: 2; padding: 86px 24px 110px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.hero h1 { color: #fff; font-size: clamp(34px, 4.6vw, 56px); line-height: 1.08; }
.hero .lead { color: #D6E0F1; font-size: 18px; max-width: 560px; }
.hero .eyebrow { display: inline-flex; align-items: center; gap: 8px; background: rgba(245,165,36,.16); color: var(--amber-500); border: 1px solid rgba(245,165,36,.35); padding: 6px 14px; border-radius: var(--r-pill); font-size: 13px; font-weight: 700; letter-spacing: .04em; margin-bottom: 20px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero-trust { display: flex; gap: 26px; margin-top: 38px; flex-wrap: wrap; }
.hero-trust .t-item { color: #cdd9ec; font-size: 13px; }
.hero-trust .t-item strong { display: block; color: #fff; font-size: 22px; font-family: var(--font-head); }

.hero-card {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--r-lg); padding: 26px; backdrop-filter: blur(6px);
  box-shadow: var(--shadow-lg);
}
.hero-card h3 { color: #fff; font-size: 18px; margin-bottom: 14px; }
.hero-card .hc-row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px dashed rgba(255,255,255,.16); font-size: 14px; color: #D6E0F1; }
.hero-card .hc-row:last-child { border-bottom: 0; }
.hero-card .hc-row b { color: #fff; font-family: var(--font-head); }

/* ---------- Sections ---------- */
section { padding: 84px 0; }
.section-soft { background: var(--bg-soft); }
.section-navy { background: linear-gradient(135deg, var(--navy-900), var(--navy-700)); color: #fff; }
.section-navy h2, .section-navy h3 { color: #fff; }
.section-navy p { color: #D6E0F1; }

.sec-head { max-width: 760px; margin: 0 auto 48px; text-align: center; }
.sec-head .eyebrow { color: var(--amber-600); font-weight: 800; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; }
.sec-head p { color: var(--muted); font-size: 17px; margin-top: 10px; }
.sec-head.left { text-align: left; margin-left: 0; }

/* ---------- Cards / Grid ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 26px; box-shadow: var(--shadow-sm); transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--navy-200); }
.card h3 { font-size: 19px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 15px; margin-bottom: 14px; }
.card .c-link { font-family: var(--font-head); font-weight: 700; color: var(--navy-700); font-size: 14px; display: inline-flex; gap: 6px; align-items: center; }
.card-link:hover .c-link { gap: 10px; }

/* feature card (navy) */
.card-navy { background: var(--navy-800); border-color: var(--navy-700); color: #fff; }
.card-navy h3 { color: #fff; }
.card-navy p { color: #C7D4EA; }

/* ---------- Stat strip ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.stat { text-align: center; padding: 14px; }
.stat .num { font-family: var(--font-head); font-weight: 800; font-size: clamp(28px, 3.4vw, 40px); color: var(--navy-700); line-height: 1; }
.stat .lbl { color: var(--muted); font-size: 14px; margin-top: 8px; }
.section-navy .stat .num { color: #fff; }
.section-navy .stat .lbl { color: #B9C7DF; }

/* ---------- Process steps ---------- */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step { position: relative; padding: 28px 24px 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); }
.step::before { counter-increment: step; content: "0" counter(step); font-family: var(--font-head); font-weight: 800; color: var(--amber-500); font-size: 30px; display: block; margin-bottom: 8px; }
.step h4 { margin: 0 0 8px; }
.step p { color: var(--muted); font-size: 14.5px; margin: 0; }

/* ---------- Tables (spec) ---------- */
.spec-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden; font-size: 15px; }
.spec-table th, .spec-table td { text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec-table thead th { background: var(--navy-800); color: #fff; font-family: var(--font-head); font-weight: 700; font-size: 14px; letter-spacing: .02em; }
.spec-table tbody tr:nth-child(even) { background: var(--bg-soft); }
.spec-table tbody tr:last-child td { border-bottom: 0; }
.spec-table td:first-child { font-weight: 600; color: var(--ink); }

/* ---------- Badges / pills ---------- */
.badge { display: inline-block; font-size: 12.5px; font-weight: 700; padding: 4px 12px; border-radius: var(--r-pill); letter-spacing: .02em; }
.badge-navy { background: var(--navy-050); color: var(--navy-700); }
.badge-amber { background: var(--amber-050); color: var(--amber-600); }
.badge-teal { background: #E4F4F2; color: var(--teal-600); }

/* ---------- Breadcrumb ---------- */
.breadcrumb { font-size: 13.5px; color: var(--muted); padding: 18px 0 0; }
.breadcrumb a { color: var(--navy-700); }
.breadcrumb span { margin: 0 8px; color: var(--navy-200); }

/* ---------- Page header band ---------- */
.page-head { background: linear-gradient(135deg, var(--navy-900), var(--navy-700)); color: #fff; padding: 64px 0 72px; }
.page-head h1 { color: #fff; }
.page-head p { color: #D6E0F1; font-size: 18px; max-width: 720px; }

/* ---------- Two column feature ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.split img { border-radius: var(--r-lg); box-shadow: var(--shadow-lg); width: 100%; }
.feature-list { list-style: none; padding: 0; margin: 18px 0 0; }
.feature-list li { position: relative; padding-left: 30px; margin: 12px 0; color: var(--body); }
.feature-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--teal-600); font-weight: 800; }

/* ---------- Certifications ---------- */
.certs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.cert { display: flex; gap: 12px; align-items: flex-start; background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); padding: 18px; }
.cert .ic { flex: 0 0 36px; height: 36px; border-radius: 9px; background: var(--navy-050); color: var(--navy-700); display: grid; place-items: center; font-size: 18px; }
.cert b { display: block; color: var(--ink); font-size: 15px; }
.cert span { font-size: 13.5px; color: var(--muted); }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(135deg, var(--navy-800), var(--navy-600)); color: #fff; border-radius: var(--r-lg); padding: 46px; display: grid; grid-template-columns: 1.4fr auto; gap: 30px; align-items: center; }
.cta-band h2 { color: #fff; margin: 0 0 8px; }
.cta-band p { color: #D6E0F1; margin: 0; }

/* ---------- FAQ accordion ---------- */
.faq { max-width: 880px; margin: 0 auto; }
.faq-item { border: 1px solid var(--line); border-radius: var(--r-md); margin-bottom: 12px; background: #fff; overflow: hidden; }
.faq-item summary { list-style: none; cursor: pointer; padding: 18px 22px; font-family: var(--font-head); font-weight: 700; color: var(--ink); font-size: 16.5px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .plus { flex: 0 0 22px; height: 22px; border-radius: 50%; background: var(--navy-050); color: var(--navy-700); display: grid; place-items: center; font-size: 18px; transition: transform .2s ease; }
.faq-item[open] summary .plus { transform: rotate(45deg); }
.faq-item .faq-body { padding: 0 22px 20px; color: var(--body); font-size: 15.5px; }
.faq-cat { font-family: var(--font-head); font-weight: 800; color: var(--navy-800); font-size: 19px; margin: 34px 0 16px; }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 14px; font-weight: 600; color: var(--ink); }
.field label .req { color: var(--amber-600); }
.field input, .field select, .field textarea {
  font-family: var(--font-sans); font-size: 15px; padding: 12px 14px; border: 1.5px solid var(--line);
  border-radius: var(--r-sm); background: #fff; color: var(--ink); transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--navy-600); box-shadow: 0 0 0 3px var(--navy-050); }
.field textarea { min-height: 120px; resize: vertical; }
.form-note { font-size: 13px; color: var(--muted); }
.form-success { display: none; background: #E4F4F2; border: 1px solid var(--teal-500); color: var(--teal-600); border-radius: var(--r-md); padding: 16px 18px; margin-top: 16px; font-weight: 600; }
.rfq-fallback { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 14px; font-weight: 500; }
.rfq-fallback .btn { padding: 9px 16px; font-size: 13.5px; }
.rfq-hint { font-size: 12.5px; color: var(--teal-600); }
@media (max-width: 520px){ .rfq-fallback { flex-direction: column; align-items: flex-start; } }

.contact-aside { background: var(--navy-900); color: #fff; border-radius: var(--r-md); padding: 30px; }
.contact-aside h3 { color: #fff; }
.contact-aside .ci { display: flex; gap: 12px; align-items: flex-start; margin: 16px 0; }
.contact-aside .ci .ic { flex: 0 0 34px; height: 34px; border-radius: 9px; background: rgba(255,255,255,.10); display: grid; place-items: center; }
.contact-aside .ci b { color: #fff; display: block; font-size: 14px; }
.contact-aside .ci span { color: #C7D4EA; font-size: 14.5px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-900); color: #AEBED6; padding: 60px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 36px; }
.site-footer .brand-name { color: #fff; font-size: 18px; font-family: var(--font-head); font-weight: 800; }
.site-footer h5 { color: #fff; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 16px; }
.site-footer a { color: #AEBED6; font-size: 14.5px; }
.site-footer a:hover { color: #fff; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin: 9px 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 40px; padding-top: 22px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; color: #8FA3C2; }

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.text-amber { color: var(--amber-600); }
.text-teal { color: var(--teal-600); }
.muted { color: var(--muted); }
.eyebrow { display: inline-block; }
.divider { height: 1px; background: var(--line); border: 0; margin: 0; }
.lead-lg { font-size: 18px; color: var(--body); }

/* =========================================================
   PRODUCT DETAIL PAGE MODULES (12-module framework)
   ========================================================= */

/* Module 1 — Product hero (H1 + intro + key params + image + CTA) */
.phero { position: relative; overflow: hidden;
  background: radial-gradient(1100px 560px at 88% -10%, rgba(46,79,163,.40), transparent 60%),
              linear-gradient(135deg, var(--navy-900), var(--navy-700));
  color: #fff; padding: 64px 0 72px; }
.phero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1.18fr .82fr; gap: 52px; align-items: center; }
.phero h1 { color: #fff; margin-bottom: 16px; }
.phero .lead { color: #D6E0F1; font-size: 17.5px; max-width: 600px; }
.phero .eyebrow { display:inline-flex; gap:8px; align-items:center; background: rgba(245,165,36,.16); color: var(--amber-500); border:1px solid rgba(245,165,36,.35); padding:6px 14px; border-radius: var(--r-pill); font-size:13px; font-weight:700; letter-spacing:.04em; margin-bottom:18px; }
.phero .pkey { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 26px 0; }
.phero .pkey .pk { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.16); border-radius: var(--r-sm); padding: 12px 14px; }
.phero .pkey .pk b { display: block; color: #fff; font-family: var(--font-head); font-size: 15px; }
.phero .pkey .pk span { color: #AEBED6; font-size: 12.5px; }
.phero-img { border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-lg); background: #fff; border: 1px solid rgba(255,255,255,.15); }
.phero-img img { width: 100%; aspect-ratio: 4 / 5; height: auto; object-fit: contain; background: #fff; }
.phero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; }

/* Module 6 — Detail figure (image + caption) */
.detail-fig { background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden; box-shadow: var(--shadow-sm); }
.detail-fig img { width: 100%; aspect-ratio: 4 / 5; height: auto; object-fit: contain; display: block; background:#fff; }
.detail-fig.wide img { aspect-ratio: 16 / 9; object-fit: cover; }
.detail-fig figcaption { padding: 11px 14px; font-size: 13px; color: var(--muted); border-top: 1px solid var(--line); }
.detail-figs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

/* Module 3 — Customization options grid */
.opt-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.opt { background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); padding: 18px 18px 20px; box-shadow: var(--shadow-sm); transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease; }
.opt:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--navy-200); }
.opt .opt-tag { font-size: 11.5px; font-weight: 800; letter-spacing:.06em; text-transform: uppercase; color: var(--amber-600); }
.opt h4 { margin: 8px 0 6px; font-size: 16px; color: var(--navy-800); }
.opt p { font-size: 13.5px; color: var(--muted); margin: 0; }

/* Module 5 — Applications grid (image + text) */
.app-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.app-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .15s ease, box-shadow .15s ease; }
.app-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.app-card img { width: 100%; aspect-ratio: 4 / 5; height: auto; object-fit: contain; background:#fff; }
.app-card .ac-body { padding: 16px 18px 18px; }
.app-card h4 { margin: 0 0 6px; font-size: 16.5px; color: var(--navy-800); }
.app-card p { font-size: 13.8px; color: var(--muted); margin: 0; }

/* Module 7/8 — Process & QC strip */
.proc-strip { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.proc { background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); padding: 16px 14px; text-align: center; }
.proc .pn { font-family: var(--font-head); font-weight: 800; color: var(--amber-500); font-size: 19px; }
.proc h4 { font-size: 14.5px; margin: 6px 0 4px; color: var(--navy-800); }
.proc p { font-size: 12.5px; color: var(--muted); margin: 0; }
.qc-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.qc { background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); padding: 18px; display: flex; gap: 12px; align-items: flex-start; }
.qc .ic { flex: 0 0 34px; height: 34px; border-radius: 9px; background: var(--navy-050); color: var(--navy-700); display: grid; place-items: center; font-size: 17px; }
.qc b { display: block; color: var(--ink); font-size: 14.5px; }
.qc span { font-size: 13px; color: var(--muted); }

/* Module 10 — Commercial info strip */
.commercial { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.comm { background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); padding: 18px; }
.comm h4 { font-size: 14px; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; font-weight: 700; margin: 0 0 8px; }
.comm p { margin: 0; color: var(--ink); font-size: 15px; font-weight: 600; }
.comm span { display: block; font-size: 12.5px; color: var(--muted); font-weight: 400; margin-top: 4px; }

/* Module 12 — Quote section (auto-filled product name) */
.quote-sec { background: var(--bg-soft); }
.quote-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; align-items: start; }
.quote-aside h2 { color: var(--navy-800); }
.quote-aside .qa-list { list-style: none; padding: 0; margin: 16px 0 0; }
.quote-aside .qa-list li { padding-left: 28px; position: relative; margin: 11px 0; color: var(--body); font-size: 15px; }
.quote-aside .qa-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--teal-600); font-weight: 800; }
.quote-form { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px; box-shadow: var(--shadow-md); }
.quote-form .prod-line { background: var(--navy-050); border: 1px solid var(--navy-200); border-radius: var(--r-sm); padding: 12px 14px; margin-bottom: 18px; font-size: 14px; color: var(--navy-800); }
.quote-form .prod-line b { color: var(--navy-700); }

/* Two-column text+image standard block (reuse) */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: center; }
.two-col.rev > img, .two-col.rev > .detail-fig { order: -1; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .split { grid-template-columns: 1fr; gap: 28px; }
  .phero .container { grid-template-columns: 1fr; gap: 32px; }
  .phero-img img { aspect-ratio: 4 / 5; }
  .two-col { grid-template-columns: 1fr; gap: 26px; }
  .two-col.rev > img, .two-col.rev > .detail-fig { order: 0; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .opt-grid { grid-template-columns: repeat(2, 1fr); }
  .app-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-figs { grid-template-columns: 1fr 1fr; }
  .proc-strip { grid-template-columns: repeat(2, 1fr); }
  .qc-strip { grid-template-columns: repeat(2, 1fr); }
  .commercial { grid-template-columns: repeat(2, 1fr); }
  .quote-grid { grid-template-columns: 1fr; gap: 28px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .certs { grid-template-columns: 1fr; }
  .cta-band { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav { display: none; position: absolute; top: 74px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 14px 24px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow-md); }
  .nav.open { display: flex; }
  .nav a { padding: 12px 8px; }
  .nav-toggle { display: inline-grid; place-items: center; }
  .nav-cta .btn-outline-dark { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .opt-grid, .app-grid, .detail-figs, .proc-strip, .qc-strip, .commercial { grid-template-columns: 1fr; }
  .phero .pkey { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  section { padding: 60px 0; }
  .hero .container { padding: 64px 24px 92px; }
  .footer-grid { grid-template-columns: 1fr; }
  .topbar .tb-left { display: none; }
}
@media (max-width: 720px) {
  /* keep the header on one line: compact brand, no subtitle, smaller CTA */
  .site-header .container { height: 64px; gap: 8px; }
  .brand img { height: 26px; }
  .brand .brand-name, .brand .brand-sub { display: none; }
  .brand { gap: 0; flex: 0 1 auto; min-width: 0; }
  .nav { top: 64px; }
  .nav-toggle { padding: 7px 9px; flex: none; }
  .nav-cta { gap: 8px; flex: none; }
  .nav-cta .btn, .nav-cta a.btn { padding: 10px 14px; font-size: 13px; white-space: nowrap; }
}
@media (max-width: 400px) {
  .nav-cta .btn, .nav-cta a.btn { padding: 9px 11px; font-size: 12px; }
}

/* ============================================================
   Photographic hero/banner layer + real-photo blocks (2026-11)
   ============================================================ */
.hero.hero-photo {
  background:
    linear-gradient(100deg, rgba(8,20,44,.94) 0%, rgba(10,26,58,.86) 42%, rgba(12,30,66,.55) 72%, rgba(12,30,66,.34) 100%),
    url("../img/banner-home.jpg") center right / cover no-repeat,
    var(--navy-900);
}
.hero.hero-photo::after { background: var(--bg); }

/* wide real-photo figure */
.scene-fig { position: relative; border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-md); background: #0A1A3A; }
.scene-fig img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
.scene-fig figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 20px 14px;
  color: #fff; font-size: 13.5px; line-height: 1.5;
  background: linear-gradient(to top, rgba(6,15,34,.86), rgba(6,15,34,0));
}
.scene-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.scene-grid .scene-fig img { aspect-ratio: 4 / 3; }

/* inline SVG icons (replace emoji in topbar / footer / nav toggle) */
.isvg {
  width: 13px; height: 13px; fill: none; stroke: currentColor;
  stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round;
  vertical-align: -2px; margin-right: 6px; flex: none;
}
.isvg-lg { width: 22px; height: 22px; vertical-align: middle; margin-right: 0; }

/* yes / no marks in comparison tables */
.mk { font-weight: 700; }
.mk-y { color: #1a9850; }
.mk-n { color: #d64545; }


/* large photo header on grid cards (replaces the small icon chip) */
.card { overflow: hidden; }
.card-photo {
  margin: -26px -26px 20px; width: calc(100% + 52px);
  aspect-ratio: 4 / 3; overflow: hidden; background: #fff;
  border-bottom: 1px solid var(--line);
}
.card-photo img { width: 100%; height: 100%; object-fit: contain; display: block; }
/* scene photo inside a mixed grid: same 4:3 rhythm, cropped */
.card-photo.cover img { object-fit: cover; }
/* grids where every card is a scene photo (blog, capability rows) */
.card-photo.wide { aspect-ratio: 16 / 9; }
.card-photo.wide img { object-fit: cover; }

/* QC strip: photo-first cards */
.qc-card { flex-direction: column; gap: 0; padding: 0; overflow: hidden; }
.qc-card .qc-photo { width: 100%; aspect-ratio: 4 / 3; overflow: hidden; }
.qc-card .qc-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.qc-card > div:last-child { padding: 14px 16px 16px; }

/* phones: keep the same calm 4:3 rhythm, smaller bleed */
@media (max-width: 720px) {
  .card-photo { margin: -20px -20px 16px; width: calc(100% + 40px); }
  .card { padding: 20px; }
  .qc-card { padding: 0; }
}

/* app card photography */
.app-card img { aspect-ratio: 4 / 3; height: auto; object-fit: cover; }

@media (max-width: 980px) {
  .scene-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .scene-grid { grid-template-columns: 1fr; }
  .page-banner .container { padding: 44px 24px; }
}

/* photographic interior page banner */
.page-head.photo {
  background:
    linear-gradient(100deg, rgba(8,20,44,.96) 0%, rgba(9,24,54,.88) 45%, rgba(11,28,62,.58) 75%, rgba(11,28,62,.40) 100%),
    var(--banner, url("../img/banner-products.jpg")) center / cover no-repeat;
  padding: 74px 0 82px;
}

/* explicit banner classes (avoids url() resolution inside custom properties) */
.page-head.photo { background-image:
  linear-gradient(100deg, rgba(8,20,44,.96) 0%, rgba(9,24,54,.88) 45%, rgba(11,28,62,.58) 75%, rgba(11,28,62,.40) 100%),
  url("../img/banner-warehouse.jpg");
  background-position: center, center; background-size: cover, cover; background-repeat: no-repeat, no-repeat; }
.page-head.photo.b-products    { background-image: linear-gradient(100deg, rgba(8,20,44,.95), rgba(9,24,54,.86) 45%, rgba(11,28,62,.52) 75%, rgba(11,28,62,.34)), url("../img/banner-warehouse.jpg"); }
.page-head.photo.b-faq         { background-image: linear-gradient(100deg, rgba(8,20,44,.95), rgba(9,24,54,.86) 45%, rgba(11,28,62,.52) 75%, rgba(11,28,62,.34)), url("../img/banner-warehouse.jpg"); }
.page-head.photo.b-about       { background-image: linear-gradient(100deg, rgba(8,20,44,.95), rgba(9,24,54,.86) 45%, rgba(11,28,62,.52) 75%, rgba(11,28,62,.34)), url("../img/banner-manufacturing.jpg"); }
.page-head.photo.b-industries  { background-image: linear-gradient(100deg, rgba(8,20,44,.95), rgba(9,24,54,.86) 45%, rgba(11,28,62,.52) 75%, rgba(11,28,62,.34)), url("../img/banner-manufacturing.jpg"); }
.page-head.photo.b-contact     { background-image: linear-gradient(100deg, rgba(8,20,44,.95), rgba(9,24,54,.86) 45%, rgba(11,28,62,.52) 75%, rgba(11,28,62,.34)), url("../img/banner-contact.jpg"); }
.page-head.photo.b-blog        { background-image: linear-gradient(100deg, rgba(8,20,44,.95), rgba(9,24,54,.86) 45%, rgba(11,28,62,.52) 75%, rgba(11,28,62,.34)), url("../img/banner-manufacturing.jpg"); }

/* ============================================================
   Banner review — topic-matched photography, readable overlay (2026-11-15)
   ============================================================ */
.page-head .kicker {
  display: inline-block; margin-top: 20px; margin-bottom: 2px;
  color: var(--amber-500); font-size: 12.5px; font-weight: 700;
  letter-spacing: .10em; text-transform: uppercase;
}
.page-head .hd-stats { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.page-head .hd-stats span {
  border: 1px solid rgba(255,255,255,.22); background: rgba(255,255,255,.06);
  color: #DCE6F5; border-radius: 999px; padding: 6px 13px; font-size: 12.5px;
}
.page-head.photo h1 { margin-top: 10px; max-width: 820px; }
.page-head.photo p { max-width: 680px; }

/* Lighter overlay: the real factory photograph must stay visible on the right,
   while the left third keeps enough contrast for the heading. */
.page-head.photo,
.page-head.photo.b-products,
.page-head.photo.b-faq,
.page-head.photo.b-about,
.page-head.photo.b-industries,
.page-head.photo.b-contact,
.page-head.photo.b-blog,
.page-head.photo.b-knowledge {
  background-position: center, center;
  background-size: cover, cover;
  background-repeat: no-repeat, no-repeat;
}
.page-head.photo.b-products    { background-image: linear-gradient(100deg, rgba(8,20,44,.94), rgba(9,24,54,.84) 45%, rgba(11,28,62,.48) 75%, rgba(11,28,62,.20)), url("../img/banner-warehouse.jpg"); }
.page-head.photo.b-faq         { background-image: linear-gradient(100deg, rgba(8,20,44,.94), rgba(9,24,54,.84) 45%, rgba(11,28,62,.48) 75%, rgba(11,28,62,.20)), url("../img/banner-products.jpg"); }
.page-head.photo.b-about       { background-image: linear-gradient(100deg, rgba(8,20,44,.94), rgba(9,24,54,.84) 45%, rgba(11,28,62,.48) 75%, rgba(11,28,62,.20)), url("../img/banner-manufacturing.jpg"); }
.page-head.photo.b-industries  { background-image: linear-gradient(100deg, rgba(8,20,44,.94), rgba(9,24,54,.84) 45%, rgba(11,28,62,.48) 75%, rgba(11,28,62,.20)), url("../img/banner-home.jpg"); }
.page-head.photo.b-contact     { background-image: linear-gradient(100deg, rgba(8,20,44,.94), rgba(9,24,54,.84) 45%, rgba(11,28,62,.48) 75%, rgba(11,28,62,.20)), url("../img/banner-contact.jpg"); }
.page-head.photo.b-blog        { background-image: linear-gradient(100deg, rgba(8,20,44,.94), rgba(9,24,54,.84) 45%, rgba(11,28,62,.48) 75%, rgba(11,28,62,.20)), url("../img/banner-products.jpg"); }
.page-head.photo.b-knowledge   { background-image: linear-gradient(100deg, rgba(8,20,44,.94), rgba(9,24,54,.84) 45%, rgba(11,28,62,.48) 75%, rgba(11,28,62,.20)), url("../img/banner-products.jpg"); }

/* knowledge articles share the same topic banner */

.page-head.photo h1, .page-head.photo p, .page-head.photo .kicker {
  text-shadow: 0 1px 14px rgba(4,12,28,.55);
}

/* shared utility classes (extracted from repeated inline styles) */
.u-footer-note { margin-top:14px !important; font-size:14.5px !important; color:#AEBED6 !important; }
.u-mt18-sm { margin-top:18px !important; font-size:14px !important; }
.u-eyebrow { font-weight:800 !important; letter-spacing:.12em !important; text-transform:uppercase !important; }
.u-pt18 { padding:18px 0 0 !important; }
.u-pt60 { padding-top:60px !important; }
.u-mt28 { margin-top:28px !important; }
.u-mt14 { margin-top:14px !important; }
.u-mb10 { margin-bottom:10px !important; }
.u-sky { color:#9FB6D8 !important; }
.u-navy { color:#0F1B2D !important; }
.u-muted { color:#AEBED6 !important; }
.u-white { color:#fff !important; }

/* ============================================================
   Manufacturer spec-sheet header (2026-11-15)
   Replaces generic photo banners on every page except Products
   and Contact. Identity + real on-site photo + verifiable data.
   ============================================================ */
.page-head.spec-head {
  position: relative; overflow: hidden;
  background: #071630;
  padding: 0;
  border-bottom: 1px solid rgba(255,255,255,.10);
}
.page-head.spec-head::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(760px 380px at 82% 6%, rgba(38,80,150,.42), transparent 72%),
    repeating-linear-gradient(90deg, rgba(255,255,255,.042) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg,  rgba(255,255,255,.042) 0 1px, transparent 1px 64px);
}
.page-head.spec-head > .container { position: relative; z-index: 1; }
.page-head.spec-head .breadcrumb { padding-top: 16px; }
.sh-grid {
  display: grid; grid-template-columns: 1.06fr .94fr;
  gap: 48px; align-items: center; padding: 34px 0 38px;
}
.sh-home .sh-grid { padding-top: 56px; }
.sh-id {
  display: inline-block; margin-bottom: 18px;
  border-left: 3px solid var(--amber-500); padding-left: 12px;
  color: #9FC3EE; font-family: var(--font-head); font-weight: 700;
  font-size: 11.5px; letter-spacing: .13em; line-height: 1.6;
  text-transform: uppercase;
}
.sh-id em { color: var(--amber-500); font-style: normal; margin: 0 4px; }
.spec-head h1 {
  color: #fff; font-size: clamp(29px, 3.3vw, 45px); line-height: 1.12;
  margin: 0 0 16px; max-width: 660px; letter-spacing: -.015em;
}
.spec-head p {
  color: #C6D5EA; font-size: 16.5px; line-height: 1.68;
  max-width: 600px; margin: 0;
}
.sh-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.sh-more {
  display: inline-block; margin-top: 22px; color: #FFC86B;
  font-family: var(--font-head); font-weight: 700; font-size: 14px;
}
.sh-more:hover { color: #fff; }
.sh-caps { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.sh-caps span {
  border: 1px solid rgba(255,255,255,.18); color: #AFC6E4;
  border-radius: var(--r-pill); padding: 5px 12px; font-size: 11.5px;
}
.sh-frame {
  position: relative; margin: 0; overflow: hidden;
  border: 1px solid rgba(255,255,255,.20);
  border-radius: var(--r-lg);
  background: #0A1A3A;
  box-shadow: 0 26px 60px rgba(0,0,0,.38);
}
.sh-frame img {
  display: block; width: 100%; height: auto;
  aspect-ratio: 16 / 10; object-fit: cover;
}
.sh-frame figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 34px 16px 13px; color: #EAF1FB; font-size: 12px; line-height: 1.45;
  background: linear-gradient(to top, rgba(4,12,28,.92), rgba(4,12,28,0));
}
.sh-tag {
  position: absolute; top: 12px; right: 12px;
  background: rgba(7,22,48,.86); border: 1px solid rgba(245,165,36,.55);
  color: var(--amber-500); border-radius: var(--r-sm);
  padding: 6px 10px; font-size: 10.5px; font-weight: 700;
  letter-spacing: .10em; font-family: var(--font-head);
}
.sh-proof {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255,255,255,.16);
}
.sh-proof .sp {
  padding: 17px 20px 19px;
  border-right: 1px solid rgba(255,255,255,.11);
}
.sh-proof .sp:last-child { border-right: 0; }
.sh-proof .sp b {
  display: block; color: #fff; font-family: var(--font-head);
  font-size: 19px; font-weight: 800; line-height: 1.2;
  letter-spacing: -.01em;
}
.sh-proof .sp span { display: block; margin-top: 5px; color: #9FB6D8; font-size: 12.5px; }

@media (max-width: 980px) {
  .sh-grid { gap: 30px; }
  .spec-head h1 { font-size: clamp(27px, 3.8vw, 36px); }
  .sh-tag { font-size: 9.5px; }
}
@media (max-width: 720px) {
  .sh-grid { grid-template-columns: 1fr; gap: 26px; padding: 26px 0 30px; }
  .sh-home .sh-grid { padding-top: 34px; }
  .sh-id { font-size: 10.5px; letter-spacing: .08em; }
  .sh-frame img { aspect-ratio: 16 / 9; }
  .sh-proof { grid-template-columns: 1fr 1fr; }
  .sh-proof .sp { padding: 13px 14px 15px; border-bottom: 1px solid rgba(255,255,255,.11); }
  .sh-proof .sp:nth-child(2n) { border-right: 0; }
  .sh-proof .sp:nth-last-child(-n+2) { border-bottom: 0; }
  .sh-proof .sp b { font-size: 17px; }
  .spec-head p { font-size: 15.5px; }
}