/* ============================================================
   HuanCheer — Packaging Equipment
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

:root {
  --ink: #14181b;
  --ink-2: #2c3238;
  --body: #4b5258;
  --muted: #7c848b;
  --kraft: #b26a33;
  --kraft-dk: #8f5224;
  --kraft-soft: #f6efe5;
  --kraft-line: #e8dccb;
  --bg: #fbf9f6;
  --white: #ffffff;
  --line: #e7e2da;
  --shadow: 0 18px 44px rgba(20, 24, 28, .09);
  --r-lg: 22px;
  --r-md: 16px;
  --r-sm: 10px;
  --max: 1200px;
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 30px; }
.narrow { max-width: 820px; }

h1, h2, h3, h4 { margin: 0; font-weight: 650; letter-spacing: -.028em; line-height: 1.08; }
p { margin: 0; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 11px; font-weight: 600; letter-spacing: .17em;
  text-transform: uppercase; color: var(--kraft);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: ""; width: 22px; height: 1px; background: var(--kraft); display: block;
}
.eyebrow.center::after {
  content: ""; width: 22px; height: 1px; background: var(--kraft); display: block;
}

.section { padding: 92px 0; }
.section.tight { padding: 62px 0; }
.section-head { max-width: 720px; margin-bottom: 44px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(27px, 3.1vw, 38px); }
.section-head p { margin-top: 16px; color: var(--body); font-size: 16.5px; }
.section-head-row {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 30px; margin-bottom: 44px;
}
.section-head-row .section-head { margin-bottom: 0; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  height: 48px; padding: 0 24px; border-radius: 999px;
  font-size: 14.5px; font-weight: 600; letter-spacing: -.01em;
  border: 1px solid transparent; transition: transform .22s ease, background .22s ease, box-shadow .22s ease, color .22s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: #000; box-shadow: 0 10px 26px rgba(20,24,28,.22); }
.btn-kraft { background: var(--kraft); color: #fff; }
.btn-kraft:hover { background: var(--kraft-dk); box-shadow: 0 10px 26px rgba(178,106,51,.28); }
.btn-ghost { border-color: var(--line); background: transparent; color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-sm { height: 40px; padding: 0 18px; font-size: 13.5px; }
.btn .arw { transition: transform .22s ease; }
.btn:hover .arw { transform: translateX(3px); }

.link-arrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14.5px; font-weight: 600; color: var(--ink);
  border-bottom: 1px solid var(--line); padding-bottom: 3px;
  transition: border-color .2s ease, gap .2s ease;
}
.link-arrow:hover { border-color: var(--kraft); gap: 12px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(251, 249, 246, .88);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, background .25s ease;
}
.site-header.scrolled { border-bottom-color: var(--line); }
.hdr { display: flex; align-items: center; justify-content: space-between; height: 74px; gap: 26px; }

.brand { display: flex; align-items: center; gap: 11px; flex: none; }
.brand-mark { width: 36px; height: 36px; flex: none; }
.brand-txt { display: flex; flex-direction: column; line-height: 1; }
.brand-name { font-size: 18.5px; font-weight: 700; letter-spacing: -.03em; }
.brand-sub {
  font-size: 8.5px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--muted); margin-top: 5px; font-weight: 600;
}

.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav a {
  font-size: 14px; color: var(--ink-2); position: relative; padding: 4px 0;
  transition: color .2s ease;
}
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 1.5px; width: 0;
  background: var(--kraft); transition: width .25s ease;
}
.main-nav a:hover { color: var(--ink); }
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }
.main-nav a.active { color: var(--ink); font-weight: 600; }

.hdr-actions { display: flex; align-items: center; gap: 14px; flex: none; }
.hdr-phone { font-size: 13.5px; color: var(--muted); }

.menu-btn {
  display: none; width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--line); background: #fff;
  align-items: center; justify-content: center; flex-direction: column; gap: 5px;
}
.menu-btn span { width: 17px; height: 1.6px; background: var(--ink); display: block; transition: .25s ease; }
.menu-btn.open span:nth-child(1) { transform: translateY(6.6px) rotate(45deg); }
.menu-btn.open span:nth-child(2) { opacity: 0; }
.menu-btn.open span:nth-child(3) { transform: translateY(-6.6px) rotate(-45deg); }

.mobile-nav {
  display: none; flex-direction: column; gap: 2px;
  background: var(--bg); border-top: 1px solid var(--line); padding: 12px 30px 24px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a { padding: 12px 0; font-size: 16px; border-bottom: 1px solid var(--line); }
.mobile-nav .btn { margin-top: 16px; width: 100%; }

/* ---------- hero ---------- */
.hero { padding: 64px 0 0; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 560px;
  background: radial-gradient(120% 80% at 80% 0%, #f7eee1 0%, rgba(251,249,246,0) 65%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid; grid-template-columns: 1.02fr .98fr;
  gap: 58px; align-items: center; padding-bottom: 26px;
}
.hero h1 { font-size: clamp(39px, 4.7vw, 62px); letter-spacing: -.038em; }
.hero h1 em { font-style: normal; color: var(--kraft); }
.hero .lead {
  margin-top: 24px; font-size: 17.5px; line-height: 1.62; color: var(--body); max-width: 50ch;
}
.hero-actions { display: flex; align-items: center; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.hero-note { margin-top: 18px; font-size: 13px; color: var(--muted); }

.hero-media { position: relative; }
.hero-stack {
  position: relative; background: linear-gradient(160deg, #f7efe3 0%, #f2e7d7 100%);
  border-radius: 26px; padding: 30px; aspect-ratio: 1 / .92;
  display: grid; place-items: center; overflow: hidden;
}
.hero-stack img.main { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.hero-float {
  position: absolute; right: -14px; bottom: 26px; width: 39%;
  background: #fff; border-radius: 16px; padding: 12px 12px 14px;
  box-shadow: var(--shadow);
}
.hero-float img { width: 100%; height: 92px; object-fit: contain; mix-blend-mode: multiply; }
.hero-float span {
  display: block; margin-top: 8px; font-size: 10.5px; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase; color: var(--muted); text-align: center;
}
.hero-badge {
  position: absolute; left: -16px; top: 24px;
  background: var(--ink); color: #fff; border-radius: 12px;
  padding: 11px 16px; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; font-weight: 600;
  box-shadow: 0 12px 28px rgba(20,24,28,.22);
}
.hero-badge b { display: block; font-size: 19px; letter-spacing: -.02em; margin-bottom: 2px; }

/* ---------- stat strip ---------- */
.stat-strip {
  position: relative; display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line); margin-top: 54px;
}
.stat-strip > div { padding: 26px 26px 30px 0; border-right: 1px solid var(--line); }
.stat-strip > div:last-child { border-right: 0; }
.stat-strip b { display: block; font-size: 27px; font-weight: 650; letter-spacing: -.03em; }
.stat-strip span { display: block; font-size: 12.5px; color: var(--muted); margin-top: 4px; }

/* ---------- range cards ---------- */
.range-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.range-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .3s cubic-bezier(.2,.7,.3,1), box-shadow .3s ease, border-color .3s ease;
}
.range-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #ddd5c8; }
.range-thumb {
  background: #fff; aspect-ratio: 16 / 11; display: grid; place-items: center;
  padding: 22px; position: relative;
}
.range-thumb img {
  width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply;
  transition: transform .45s cubic-bezier(.2,.7,.3,1);
}
.range-card:hover .range-thumb img { transform: scale(1.045); }
.range-count {
  position: absolute; top: 14px; right: 14px;
  background: rgba(20,24,28,.055); color: var(--ink-2);
  font-size: 10.5px; font-weight: 600; letter-spacing: .07em; text-transform: uppercase;
  padding: 5px 10px; border-radius: 999px;
}
.range-body { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.range-body h3 { font-size: 18.5px; }
.range-body p { font-size: 14px; color: var(--body); line-height: 1.55; flex: 1; }
.range-foot {
  display: flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 600;
  color: var(--kraft); margin-top: 4px;
}
.range-foot svg { transition: transform .25s ease; }
.range-card:hover .range-foot svg { transform: translateX(4px); }

/* ---------- product cards ---------- */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.prod-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-md);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .28s cubic-bezier(.2,.7,.3,1), box-shadow .28s ease;
}
.prod-card:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(20,24,28,.08); }
.prod-thumb { aspect-ratio: 4 / 3; background: #fff; display: grid; place-items: center; padding: 20px; }
.prod-thumb img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.prod-body { padding: 17px 18px 20px; border-top: 1px solid var(--line); }
.prod-model {
  font-size: 10.5px; font-weight: 700; letter-spacing: .12em; color: var(--kraft);
  text-transform: uppercase;
}
.prod-body h3 { font-size: 16px; margin-top: 7px; letter-spacing: -.02em; }
.prod-specs { margin-top: 10px; font-size: 12.5px; color: var(--muted); line-height: 1.5; }

/* ---------- filter chips ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 9px; }
.chip {
  height: 38px; padding: 0 17px; border-radius: 999px; border: 1px solid var(--line);
  background: #fff; font-size: 13.5px; color: var(--ink-2); font-weight: 500;
  transition: .2s ease;
}
.chip:hover { border-color: #cfc6b8; }
.chip.active { background: var(--ink); border-color: var(--ink); color: #fff; }
.chip small { opacity: .55; margin-left: 5px; font-size: 11px; }

/* ---------- dark band ---------- */
.band-dark { background: var(--ink); color: #fff; }
.band-dark .eyebrow { color: #d99a63; }
.band-dark .eyebrow::before { background: #d99a63; }
.band-dark h2 { color: #fff; }
.band-dark p { color: rgba(255,255,255,.68); }

.feature-band { display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; align-items: center; }
.feature-list { display: grid; gap: 2px; margin-top: 34px; }
.feature-item {
  display: grid; grid-template-columns: 34px 1fr; gap: 16px;
  padding: 18px 0; border-top: 1px solid rgba(255,255,255,.12);
}
.feature-item:last-child { border-bottom: 1px solid rgba(255,255,255,.12); }
.feature-item .n {
  font-size: 12px; font-weight: 700; color: #d99a63; letter-spacing: .08em; padding-top: 3px;
}
.feature-item h4 { font-size: 15.5px; color: #fff; letter-spacing: -.01em; }
.feature-item p { font-size: 13.5px; margin-top: 5px; line-height: 1.55; }

/* ---------- values ---------- */
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.value-item { border-top: 2px solid var(--ink); padding-top: 20px; }
.value-item .ico { color: var(--kraft); margin-bottom: 14px; }
.value-item h4 { font-size: 15.5px; margin-bottom: 8px; }
.value-item p { font-size: 13.5px; color: var(--body); line-height: 1.6; }

/* ---------- consumables ---------- */
.cons-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cons-card {
  background: #fff; border: 1px solid var(--kraft-line); border-radius: var(--r-md);
  padding: 24px 22px;
}
.cons-card .tag {
  font-size: 10px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--kraft);
}
.cons-card h4 { font-size: 15.5px; margin: 9px 0 10px; }
.cons-card ul { margin: 0; padding: 0; list-style: none; }
.cons-card li {
  font-size: 13px; color: var(--body); padding: 5px 0 5px 14px; position: relative; line-height: 1.5;
}
.cons-card li::before {
  content: ""; position: absolute; left: 0; top: 12px; width: 5px; height: 5px;
  border-radius: 50%; background: var(--kraft);
}

/* ---------- CTA ---------- */
.cta-panel {
  background: linear-gradient(135deg, #f7efe3 0%, #f2e6d5 100%);
  border-radius: 26px; padding: 56px; display: grid; grid-template-columns: 1.25fr .75fr;
  gap: 40px; align-items: center; position: relative; overflow: hidden;
}
.cta-panel h2 { font-size: clamp(25px, 2.7vw, 34px); }
.cta-panel p { margin-top: 14px; color: var(--ink-2); font-size: 15.5px; max-width: 56ch; }
.cta-actions { display: flex; flex-direction: column; gap: 12px; align-items: stretch; }
.cta-actions .btn { width: 100%; }
.cta-actions small { text-align: center; color: var(--muted); font-size: 12px; margin-top: 2px; }

/* ---------- page hero (inner) ---------- */
.page-hero { padding: 52px 0 40px; border-bottom: 1px solid var(--line); }
.page-hero .eyebrow { margin-bottom: 16px; }
.page-hero h1 { font-size: clamp(32px, 4vw, 50px); max-width: 18ch; }
.page-hero p.lead { margin-top: 18px; font-size: 16.5px; color: var(--body); max-width: 62ch; }
.crumbs { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--muted); margin-bottom: 22px; }
.crumbs a:hover { color: var(--kraft); }
.crumbs span.sep { opacity: .5; }

/* ---------- product detail ---------- */
.pdp { display: grid; grid-template-columns: 1.02fr .98fr; gap: 56px; padding: 44px 0 0; align-items: start; }
.pdp-media {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 26px; position: sticky; top: 96px;
}
.pdp-media .frame { display: grid; place-items: center; min-height: 380px; }
.pdp-media img { max-height: 480px; width: auto; max-width: 100%; object-fit: contain; mix-blend-mode: multiply; }
.pdp-media .cap {
  margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line);
  font-size: 11.5px; color: var(--muted); display: flex; justify-content: space-between; gap: 12px;
}
.pdp-info h1 { font-size: clamp(28px, 3.3vw, 40px); margin-top: 6px; }
.pdp-model {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; color: var(--kraft);
}
.pdp-desc { margin-top: 20px; font-size: 16.5px; color: var(--body); line-height: 1.65; }
.pdp-quick { margin-top: 26px; display: grid; gap: 0; border-top: 1px solid var(--line); }
.quick-row {
  display: grid; grid-template-columns: 34% 1fr; gap: 14px;
  padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 14px;
}
.quick-row dt { color: var(--muted); }
.quick-row dd { margin: 0; color: var(--ink); font-weight: 500; }
.pdp-actions { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }
.pdp-actions .btn { flex: 1; min-width: 170px; }

.bestfor { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.bestfor .pill {
  font-size: 12px; padding: 6px 12px; border-radius: 999px;
  background: var(--kraft-soft); color: #7a4a20; border: 1px solid var(--kraft-line);
}

.spec-block { margin-top: 64px; }
.spec-block h2 { font-size: 22px; margin-bottom: 18px; }
table.spec { width: 100%; border-collapse: collapse; font-size: 14.5px; }
table.spec tr { border-bottom: 1px solid var(--line); }
table.spec tr:first-child { border-top: 1px solid var(--line); }
table.spec th {
  text-align: left; font-weight: 450; color: var(--muted);
  padding: 14px 20px 14px 0; width: 36%; vertical-align: top;
}
table.spec td { padding: 14px 0; color: var(--ink); }
table.spec tr:nth-child(even) { background: rgba(255,255,255,.55); }

.note-box {
  margin-top: 26px; background: #fff; border: 1px solid var(--line);
  border-left: 3px solid var(--kraft); border-radius: 0 var(--r-sm) var(--r-sm) 0;
  padding: 16px 20px; font-size: 13.5px; color: var(--body);
}

/* ---------- OEM page ---------- */
.oem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.oem-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); padding: 26px 24px; }
.oem-card .n { font-size: 11px; font-weight: 700; color: var(--kraft); letter-spacing: .12em; }
.oem-card h3 { font-size: 17px; margin: 10px 0 10px; }
.oem-card p { font-size: 14px; color: var(--body); line-height: 1.6; }

.steps { counter-reset: step; display: grid; gap: 0; margin-top: 10px; }
.step {
  display: grid; grid-template-columns: 56px 1fr; gap: 22px; padding: 26px 0;
  border-top: 1px solid var(--line);
}
.step:last-child { border-bottom: 1px solid var(--line); }
.step .idx {
  font-size: 13px; font-weight: 700; color: var(--kraft); letter-spacing: .06em; padding-top: 3px;
}
.step h4 { font-size: 17px; margin-bottom: 6px; }
.step p { font-size: 14px; color: var(--body); line-height: 1.6; max-width: 70ch; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 34px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 12.5px; font-weight: 600; color: var(--ink-2); margin-bottom: 7px; letter-spacing: .01em; }
.field input, .field select, .field textarea {
  width: 100%; border: 1px solid var(--line); border-radius: var(--r-sm);
  padding: 12px 14px; font: inherit; font-size: 14.5px; background: var(--bg); color: var(--ink);
  transition: border-color .2s ease, background .2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--kraft); background: #fff;
}
.field textarea { min-height: 112px; resize: vertical; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-hint { font-size: 12px; color: var(--muted); margin-top: 14px; }

.contact-info { display: grid; gap: 0; }
.ci-item { padding: 20px 0; border-top: 1px solid var(--line); }
.ci-item:last-child { border-bottom: 1px solid var(--line); }
.ci-item .k { font-size: 11px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; color: var(--muted); }
.ci-item .v { font-size: 16px; margin-top: 7px; }
.ci-item .v a:hover { color: var(--kraft); }

/* ---------- footer ---------- */
.site-footer { background: #101315; color: rgba(255,255,255,.72); padding: 68px 0 30px; margin-top: 0; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.site-footer .brand-name { color: #fff; }
.site-footer .brand-sub { color: rgba(255,255,255,.4); }
.foot-about { margin-top: 18px; font-size: 13.5px; line-height: 1.65; color: rgba(255,255,255,.55); max-width: 34ch; }
.foot-col h5 {
  font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: rgba(255,255,255,.42); margin: 0 0 16px; font-weight: 600;
}
.foot-col a, .foot-col p { display: block; font-size: 13.5px; margin-bottom: 10px; color: rgba(255,255,255,.72); }
.foot-col a:hover { color: #fff; }
.foot-bottom {
  margin-top: 52px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1);
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  font-size: 12px; color: rgba(255,255,255,.4);
}

/* ---------- modal ---------- */
.modal {
  position: fixed; inset: 0; z-index: 200; display: none;
  background: rgba(12, 15, 17, .55); backdrop-filter: blur(4px);
  padding: 24px; overflow-y: auto;
}
.modal.open { display: block; }
.modal-card {
  background: #fff; border-radius: 22px; max-width: 560px; margin: 5vh auto;
  padding: 36px; position: relative; box-shadow: 0 30px 80px rgba(0,0,0,.3);
  animation: pop .28s cubic-bezier(.2,.8,.3,1);
}
@keyframes pop { from { opacity: 0; transform: translateY(14px) scale(.985); } }
.modal-card h3 { font-size: 22px; }
.modal-card .sub { font-size: 13.5px; color: var(--body); margin-top: 8px; }
.modal-close {
  position: absolute; top: 18px; right: 18px; width: 34px; height: 34px;
  border-radius: 50%; border: 1px solid var(--line); background: #fff;
  font-size: 17px; line-height: 1; color: var(--muted);
}
.modal-close:hover { background: var(--bg); color: var(--ink); }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .range-grid, .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .value-grid, .cons-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { gap: 40px; }
  .main-nav { gap: 22px; }
  .hdr-phone { display: none; }
}

@media (max-width: 900px) {
  .main-nav, .hdr-actions .btn { display: none; }
  .menu-btn { display: flex; }
  .hero-grid, .pdp, .feature-band, .contact-grid, .cta-panel { grid-template-columns: 1fr; }
  .hero-media { order: -1; }
  .hero-stack { aspect-ratio: 16 / 12; }
  .pdp-media { position: static; }
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .stat-strip > div:nth-child(2) { border-right: 0; }
  .stat-strip > div:nth-child(1), .stat-strip > div:nth-child(2) { border-bottom: 1px solid var(--line); }
  .section { padding: 64px 0; }
  .cta-panel { padding: 36px 28px; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .oem-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .wrap { padding: 0 20px; }
  .hdr { height: 66px; }
  .hero { padding-top: 40px; }
  .hero-stack { padding: 18px; border-radius: 20px; }
  .hero-badge { left: -6px; top: 14px; }
  .hero-float { right: -6px; bottom: 12px; width: 44%; }
  .stat-strip b { font-size: 22px; }
  .range-grid, .prod-grid, .value-grid, .cons-grid { grid-template-columns: 1fr; }
  .section { padding: 54px 0; }
  .section-head-row { flex-direction: column; align-items: flex-start; gap: 18px; }
  .field-row { grid-template-columns: 1fr; }
  .form-card { padding: 24px; }
  .modal-card { padding: 26px; }
  .pdp-media .frame { min-height: 260px; }
  .pdp-media img { max-height: 300px; }
  .foot-grid { grid-template-columns: 1fr; gap: 28px; }
  .cta-panel { border-radius: 20px; padding: 30px 22px; }
  .page-hero { padding: 34px 0 28px; }
}