/* =========================================================
   Sanjing Mould — Corporate site stylesheet
   Palette follows the printed company brochure:
   deep navy + engineering blue + signature red
   ========================================================= */

:root {
  --navy: #0a2b3e;
  --navy-2: #113d56;
  --navy-3: #071f2d;
  --blue: #2c6e9b;
  --blue-lt: #a9c7dc;
  --red: #d2261e;
  --red-dk: #b01c15;
  --ink: #13212a;
  --ink-2: #45585f;
  --muted: #6c7f88;
  --gray: #f3f6f8;
  --line: #dce4e9;
  --white: #fff;

  --f-display: "Barlow Condensed", "Arial Narrow", Impact, sans-serif;
  --f-body: "Inter", -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;

  --wrap: 1220px;
  --r: 2px;
  --shadow: 0 18px 50px -22px rgba(10, 43, 62, .35);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-2);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { margin: 0 0 .5em; color: var(--ink); font-weight: 600; }
.wrap { width: min(100% - 48px, var(--wrap)); margin-inline: auto; }

/* ---------------- buttons ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6em;
  padding: 13px 26px;
  font-family: var(--f-body);
  font-size: 13px; font-weight: 600; letter-spacing: .09em; text-transform: uppercase;
  border: 1px solid transparent; border-radius: var(--r);
  cursor: pointer; transition: .25s ease; white-space: nowrap;
}
.btn-red { background: var(--red); color: #fff; }
.btn-red:hover { background: var(--red-dk); transform: translateY(-2px); box-shadow: 0 12px 24px -12px rgba(210, 38, 30, .75); }
.btn-ghost { border-color: rgba(255, 255, 255, .42); color: #fff; background: rgba(255, 255, 255, .04); backdrop-filter: blur(4px); }
.btn-ghost:hover { background: rgba(255, 255, 255, .14); border-color: #fff; }
.btn-lg { padding: 16px 34px; font-size: 13.5px; }

/* ---------------- top bar ---------------- */
.topbar {
  background: var(--navy-3); color: #b9cdd8;
  font-size: 12.5px; letter-spacing: .02em;
}
.topbar-inner { display: flex; justify-content: space-between; align-items: center; height: 40px; gap: 20px; }
.topbar-left { display: flex; align-items: center; gap: 9px; }
.topbar-left .dot { width: 6px; height: 6px; background: #4ec8a0; border-radius: 50%; box-shadow: 0 0 0 3px rgba(78, 200, 160, .18); flex: none; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.topbar a:hover { color: #fff; }
.topbar .sep { opacity: .3; }

/* ---------------- header ---------------- */
.site-head {
  position: sticky; top: 0; z-index: 90;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
  transition: box-shadow .3s ease;
}
.site-head.stuck { box-shadow: 0 10px 30px -18px rgba(10, 43, 62, .45); }
.head-inner { display: flex; align-items: center; justify-content: space-between; height: 78px; gap: 24px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { display: grid; place-items: center; line-height: 0; }
.brand-txt { display: flex; flex-direction: column; line-height: 1.25; }
.brand-txt strong { font-family: var(--f-display); font-size: 21px; letter-spacing: .11em; color: var(--navy); font-weight: 700; }
.brand-txt em { font-style: normal; font-size: 10.5px; letter-spacing: .04em; color: var(--muted); }

.nav { display: flex; align-items: center; gap: 22px; }
.nav a {
  position: relative; font-size: 13.5px; font-weight: 500; letter-spacing: .04em;
  color: var(--ink); padding: 6px 0; text-transform: uppercase;
}
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--red); transition: width .28s ease;
}
.nav a:hover::after, .nav a.active::after { width: 100%; }
.nav a.active { color: var(--navy); }

.head-cta { display: flex; align-items: center; gap: 14px; }

.burger { display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: #fff; border-radius: var(--r); padding: 11px 10px; cursor: pointer; }
.burger span { display: block; height: 2px; background: var(--navy); margin: 4px 0; transition: .25s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------------- hero ---------------- */
.hero { position: relative; min-height: 92vh; display: flex; align-items: flex-end; color: #fff; overflow: hidden; background: var(--navy-3); }
.hero-media { position: absolute; inset: 0; }
.hero-video {
  position: absolute; inset: 0; z-index: 2;
  width: 100%; height: 100%;
  object-fit: cover; object-position: 50% 38%;
  opacity: 0; transition: opacity 1.1s ease;
  pointer-events: none;
}
.hero-video.is-ready { opacity: 1; }
.hero-veil {
  position: absolute; inset: 0; z-index: 3;
  background:
    linear-gradient(100deg, rgba(6, 26, 38, .88) 0%, rgba(8, 34, 50, .84) 38%, rgba(8, 34, 50, .48) 62%, rgba(8, 34, 50, .15) 100%),
    linear-gradient(to top, rgba(7, 31, 45, .72) 0%, rgba(7, 31, 45, 0) 32%);
}
@media (prefers-reduced-motion: reduce) {
  .hero-video { display: none; }
}
.hero-inner { position: relative; z-index: 2; padding: 130px 0 56px; }
.eyebrow {
  display: flex; align-items: center; gap: 14px;
  font-size: 12px; letter-spacing: .22em; text-transform: uppercase; color: var(--blue-lt); margin-bottom: 22px;
}
.eyebrow .line { width: 46px; height: 1px; background: var(--blue-lt); opacity: .7; }

.hero h1 {
  font-family: var(--f-display); font-weight: 600;
  font-size: clamp(44px, 6.6vw, 92px); line-height: .97; letter-spacing: -.005em;
  color: #fff; margin: 0 0 26px; text-transform: uppercase; text-shadow: 0 2px 24px rgba(6, 26, 38, .9), 0 1px 4px rgba(6, 26, 38, .65);
}
.hero h1 .hl { color: #ff5a4d; }
.hero .lede { max-width: 660px; font-size: 17px; line-height: 1.75; color: #dce8ee; font-weight: 300; text-shadow: 0 1px 14px rgba(6, 26, 38, .85); }
.eyebrow { text-shadow: 0 1px 10px rgba(6, 26, 38, .8); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 34px 0 0; }

.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  margin-top: 66px; border-top: 1px solid rgba(255, 255, 255, .16);
}
.hs { padding: 22px 26px 4px; border-left: 1px solid rgba(255, 255, 255, .12); }
.hs:first-child { padding-left: 0; border-left: 0; }
.hs b {
  display: block; font-family: var(--f-display); font-size: 42px; line-height: 1;
  color: #fff; font-weight: 600; letter-spacing: .01em;
}
.hs b small { font-size: 20px; margin-left: 2px; color: var(--blue-lt); }
.hs span { display: block; margin-top: 8px; font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: #93afbe; }

.scroll-cue {
  position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%);
  width: 26px; height: 42px; border: 1px solid rgba(255, 255, 255, .35); border-radius: 20px; z-index: 3;
}
.scroll-cue span { position: absolute; left: 50%; top: 8px; width: 3px; height: 8px; margin-left: -1.5px; background: #fff; border-radius: 2px; animation: cue 1.8s infinite; }
@keyframes cue { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(16px); } }

/* ---------------- image figures & placeholders ---------------- */
.figure { position: relative; overflow: hidden; background: #dfe7ec; }
.figure img { position: relative; z-index: 1; width: 100%; height: 100%; object-fit: cover; transition: transform .7s cubic-bezier(.2, .7, .3, 1); }
.figure:hover img { transform: scale(1.04); }
.figure img.is-missing { display: none; }

.figure-hero, .figure-hero img { width: 100%; height: 100%; }

.ph {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  color: #7d97a6;
  background-color: #e7eef2;
  background-image:
    linear-gradient(rgba(44, 110, 155, .10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(44, 110, 155, .10) 1px, transparent 1px);
  background-size: 28px 28px;
  font-family: var(--f-body); text-align: center; padding: 12px;
}
.ph-name { font-size: 11.5px; font-weight: 600; letter-spacing: .06em; color: #5a7787; }
.ph-size { font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; opacity: .75; }

/* ---------------- trust strip ---------------- */
.strip { background: var(--gray); border-bottom: 1px solid var(--line); }
.strip-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; }
.strip-item { padding: 26px 24px; position: relative; }
.strip-item + .strip-item::before { content: ""; position: absolute; left: 0; top: 22px; bottom: 22px; width: 1px; background: var(--line); }
.strip-item b { display: block; font-size: 13.5px; color: var(--navy); letter-spacing: .01em; margin-bottom: 3px; }
.strip-item span { font-size: 12.5px; color: var(--muted); }

/* ---------------- sections ---------------- */
.sec { padding: 104px 0; }
.sec-gray { background: var(--gray); }
.sec-dark { background: var(--navy); color: #c4d6e0; position: relative; }
.sec-dark::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 64px 64px;
}
.sec-dark .wrap { position: relative; }

.sec-head { display: flex; gap: 30px; align-items: flex-start; margin-bottom: 54px; }
.sec-head .num {
  font-family: var(--f-display); font-size: 15px; font-weight: 600; letter-spacing: .18em;
  color: var(--red); padding-top: 10px; min-width: 42px;
}
.sec-head .num::after { content: ""; display: block; width: 26px; height: 2px; background: var(--red); margin-top: 8px; }
.kicker { font-size: 11.5px; letter-spacing: .2em; text-transform: uppercase; color: var(--blue); margin: 0 0 10px; font-weight: 600; }
.sec-head h2 {
  font-family: var(--f-display); font-size: clamp(30px, 3.5vw, 46px); line-height: 1.08;
  letter-spacing: -.005em; font-weight: 600; color: var(--navy); margin: 0; text-transform: uppercase;
}
.sec-sub { margin: 14px 0 0; max-width: 660px; font-size: 15.5px; color: var(--muted); }
.sec-head-light h2 { color: #fff; }
.sec-head-light .kicker { color: var(--blue-lt); }
.sec-head-light .sec-sub { color: #a4bdc9; }
.sec-head-light .num { color: #ff5a4d; }
.sec-head-light .num::after { background: #ff5a4d; }

/* ---------------- about ---------------- */
.about-grid { display: grid; grid-template-columns: 1.35fr .8fr; gap: 64px; align-items: start; }
.about-copy .lead { font-size: 18px; line-height: 1.72; color: var(--ink); font-weight: 400; }
.about-copy p { font-size: 15.5px; }
.about-copy strong { color: var(--navy); }

.ticks { list-style: none; padding: 0; margin: 30px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 24px; }
.ticks li { position: relative; padding-left: 26px; font-size: 14px; color: var(--ink); }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: 6px; width: 14px; height: 8px;
  border-left: 2px solid var(--red); border-bottom: 2px solid var(--red); transform: rotate(-45deg);
}

.fact-card { background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow); }
.fact-card .figure { aspect-ratio: 4 / 3; }
.fact-card .figure + .figure { border-top: 1px solid var(--line); }
.figure-tall { aspect-ratio: 4 / 5; }
.facts { margin: 0; padding: 8px 24px 18px; }
.facts > div { display: flex; justify-content: space-between; gap: 14px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.facts > div:last-child { border-bottom: 0; }
.facts dt { font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.facts dd { margin: 0; font-size: 13.5px; font-weight: 500; color: var(--navy); text-align: right; }

/* ---------------- products ---------------- */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.prod {
  background: #fff; border: 1px solid var(--line); display: flex; flex-direction: column;
  transition: .35s ease; overflow: hidden;
}
.prod:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: #c6d4dc; }
.figure-prod { aspect-ratio: 4 / 3; }
.prod .tag {
  position: absolute; left: 0; top: 0; z-index: 2;
  background: var(--navy); color: #fff; font-family: var(--f-display); font-size: 13px;
  letter-spacing: .14em; padding: 6px 12px;
}
.prod-body { padding: 26px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.prod-body h3 { font-family: var(--f-display); font-size: 24px; letter-spacing: .01em; text-transform: uppercase; color: var(--navy); margin-bottom: 10px; }
.prod-body p { font-size: 14px; line-height: 1.68; color: var(--ink-2); }
.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 7px; padding: 0; margin: auto 0 0; }
.chips li {
  font-size: 11px; letter-spacing: .05em; text-transform: uppercase; color: var(--blue);
  background: rgba(44, 110, 155, .08); border: 1px solid rgba(44, 110, 155, .16); padding: 4px 9px;
}

.prod-cta { background: var(--navy); border-color: var(--navy); color: #b9cdd8; grid-column: 1 / -1; }
.prod-cta-inner { padding: 40px 32px; display: flex; flex-direction: column; height: 100%; justify-content: center; max-width: 640px; }
.prod-cta h3 { font-family: var(--f-display); font-size: 26px; text-transform: uppercase; color: #fff; margin-bottom: 12px; }
.prod-cta p { font-size: 14px; color: #a9c2ce; }
.prod-cta .btn { align-self: flex-start; margin-top: 14px; }
.prod-cta .tiny { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: #7d9aa9; margin: 16px 0 0; }

/* ---------------- capability ---------------- */
.cap-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255, 255, 255, .1); margin-bottom: 62px; }
.cap-card { background: var(--navy); padding: 30px 26px 34px; }
.cap-card b { display: block; font-family: var(--f-display); font-size: 46px; line-height: 1; color: #fff; font-weight: 600; margin-bottom: 14px; }
.cap-card b small { font-size: 20px; color: #ff5a4d; margin-left: 3px; }
.cap-card span { font-size: 13px; line-height: 1.65; color: #a2bcc8; }

.spec-table-wrap { border: 1px solid rgba(255, 255, 255, .14); background: rgba(255, 255, 255, .03); }
table.spec { width: 100%; border-collapse: collapse; }
table.spec caption {
  text-align: left; padding: 18px 26px; font-size: 11.5px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--blue-lt); border-bottom: 1px solid rgba(255, 255, 255, .14);
}
table.spec th, table.spec td { padding: 15px 26px; text-align: left; font-size: 14px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
table.spec th { width: 34%; font-weight: 500; color: #fff; letter-spacing: .01em; }
table.spec td { color: #a8c0cc; }
table.spec tr:last-child th, table.spec tr:last-child td { border-bottom: 0; }
table.spec tr:hover td { color: #fff; }

/* ---------------- process ---------------- */
.steps { list-style: none; counter-reset: s; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative; }
.steps::before { content: ""; position: absolute; left: 0; right: 0; top: 30px; height: 1px; background: var(--line); }
.steps li { position: relative; padding: 0 22px 0 0; }
.step-n {
  display: grid; place-items: center; width: 60px; height: 60px; background: #fff; border: 1px solid var(--line);
  font-family: var(--f-display); font-size: 18px; font-weight: 600; color: var(--navy);
  position: relative; margin-bottom: 22px; transition: .3s;
}
.steps li:hover .step-n { background: var(--red); border-color: var(--red); color: #fff; }
.steps h4 { font-size: 15.5px; color: var(--navy); margin-bottom: 8px; }
.steps p { font-size: 13.5px; line-height: 1.65; color: var(--muted); margin: 0; }

/* ---------------- equipment ---------------- */
.figure-wide { aspect-ratio: 21 / 9; margin-bottom: 34px; }
.figure-wide .cap-bar {
  position: absolute; left: 0; bottom: 0; right: 0; z-index: 2;
  background: linear-gradient(to top, rgba(7, 31, 45, .9), transparent);
  color: #fff; font-size: 12.5px; letter-spacing: .06em; padding: 34px 24px 16px;
}
.eq-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.eq { background: #fff; border: 1px solid var(--line); transition: .3s; }
.eq:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.figure-eq { aspect-ratio: 4 / 3; }
.eq h4 { font-size: 15px; color: var(--navy); margin: 18px 20px 6px; }
.eq p { font-size: 13px; color: var(--muted); margin: 0 20px 20px; }

/* ---------------- quality ---------------- */
.qual-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 60px; align-items: start; }
.q-item { padding: 0 0 22px; margin-bottom: 22px; border-bottom: 1px solid var(--line); }
.q-item h4 { font-size: 16px; color: var(--navy); margin-bottom: 7px; position: relative; padding-left: 20px; }
.q-item h4::before { content: ""; position: absolute; left: 0; top: 9px; width: 7px; height: 7px; background: var(--red); }
.q-item p { font-size: 14px; margin: 0; }
.q-metrics { display: flex; gap: 40px; flex-wrap: wrap; margin-top: 8px; }
.q-metrics b { display: block; font-family: var(--f-display); font-size: 32px; color: var(--navy); line-height: 1; }
.q-metrics span { font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }

/* ---------------- contact ---------------- */
.contact-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: start; }
.form { background: rgba(255, 255, 255, .04); border: 1px solid rgba(255, 255, 255, .14); padding: 34px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form label { display: block; font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: #9db8c5; margin-bottom: 18px; }
.form input, .form select, .form textarea {
  width: 100%; margin-top: 8px; padding: 12px 14px;
  font-family: var(--f-body); font-size: 14px; color: #fff;
  background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .16); border-radius: var(--r);
  transition: .2s; text-transform: none; letter-spacing: 0;
}
.form textarea { resize: vertical; min-height: 120px; }
.form input::placeholder, .form textarea::placeholder { color: #6d8b99; }
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none; border-color: var(--blue-lt); background: rgba(255, 255, 255, .12);
}
.form select option { color: #13212a; }
.form-note { font-size: 12px; color: #7d9aa9; margin: 14px 0 0; }

.contact-info { display: grid; gap: 26px; }
.ci { border-left: 2px solid rgba(255, 255, 255, .18); padding-left: 20px; }
.ci-k { font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--blue-lt); margin: 0 0 6px; font-weight: 600; }
.ci-v { font-size: 14.5px; color: #d5e3e9; margin: 0; line-height: 1.75; }
.ci-v a { border-bottom: 1px solid rgba(255, 255, 255, .25); }
.ci-v a:hover { color: #fff; border-color: #fff; }
.ci-note { border-left-color: var(--red); }
.ci-note p { font-size: 13px; color: #9db8c5; margin: 0; }

/* ---------------- footer ---------------- */
.foot { background: var(--navy-3); color: #8ea8b6; padding: 46px 0 0; }
.foot-inner { display: flex; justify-content: space-between; align-items: center; gap: 30px; padding-bottom: 34px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.foot-brand { display: flex; align-items: center; gap: 14px; }
.foot-brand strong { color: #fff; font-size: 14px; font-weight: 600; }
.foot-brand p { margin: 2px 0 0; font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: #6d8b99; }
.foot-nav { display: flex; gap: 26px; flex-wrap: wrap; }
.foot-nav a { font-size: 12.5px; letter-spacing: .05em; text-transform: uppercase; }
.foot-nav a:hover { color: #fff; }
.foot-bottom { display: flex; justify-content: space-between; gap: 20px; padding: 20px 0 26px; font-size: 11.5px; color: #637f8d; }
.foot-bottom p { margin: 0; }

/* ---------------- scroll progress ---------------- */
.scroll-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 120;
  background: rgba(10, 43, 62, .08); pointer-events: none;
}
.scroll-progress span {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--red), #ff5a4d);
}

/* ---------------- language switch ---------------- */
.lang-switch { display: flex; align-items: center; gap: 6px; font-size: 12px; letter-spacing: .06em; }
.lang-switch button {
  background: none; border: 0; padding: 4px 2px; cursor: pointer;
  font-family: var(--f-body); font-size: 12.5px; letter-spacing: .06em;
  color: var(--muted); transition: color .2s;
}
.lang-switch button:hover { color: var(--navy); }
.lang-switch button.active { color: var(--red); font-weight: 600; }
.lang-switch span { color: var(--line); }

.brand-mark img { display: block; width: 42px; height: 42px; object-fit: contain; }
.foot .brand-mark img { width: 36px; height: 36px; }

/* ---------------- reveal animation ---------------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .3, 1); }
.reveal.in { opacity: 1; transform: none; }

/* ---------------- gallery marquee ---------------- */
.display-sec { background: #fff; overflow: hidden; padding-bottom: 76px; }
.display-sec .sec-head { margin-bottom: 34px; }
.marquee { overflow: hidden; padding: 10px 0; position: relative; }
.marquee::before, .marquee::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 90px; z-index: 3; pointer-events: none;
}
.marquee::before { left: 0; background: linear-gradient(90deg, #fff, rgba(255, 255, 255, 0)); }
.marquee::after { right: 0; background: linear-gradient(270deg, #fff, rgba(255, 255, 255, 0)); }
.marquee-track {
  display: flex; gap: 18px; width: max-content;
  animation: marq 60s linear infinite;
  will-change: transform;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marq {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(calc(-50% - 9px), 0, 0); }
}
.shot { margin: 0; position: relative; width: 288px; flex: none; overflow: hidden; background: #dfe7ec; }
.shot img { width: 100%; height: 360px; object-fit: cover; display: block; cursor: zoom-in; transition: transform .7s cubic-bezier(.2, .7, .3, 1), filter .4s; }
.shot:hover img { transform: scale(1.06); filter: saturate(1.05); }
.shot figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 34px 14px 12px;
  font-size: 12px; letter-spacing: .04em; color: #fff;
  background: linear-gradient(to top, rgba(7, 31, 45, .9), rgba(7, 31, 45, 0));
  opacity: 0; transform: translateY(8px); transition: .35s ease; pointer-events: none;
}
.shot:hover figcaption { opacity: 1; transform: none; }
.display-foot { margin-top: 26px; }
.display-foot p { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 0; }

/* ---------------- export section ---------------- */
.exp-grid { display: grid; grid-template-columns: 1fr 1fr .92fr; gap: 26px; align-items: start; }
.exp-shot { margin: 0; }
.exp-shot .figure { aspect-ratio: 4 / 5; }
.exp-shot figcaption { display: flex; flex-direction: column; gap: 4px; padding-top: 14px; font-size: 13px; color: var(--ink-2); }
.exp-tag { font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--red); font-weight: 600; }
.exp-side { display: flex; flex-direction: column; gap: 22px; }
.exp-points { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.exp-point { background: #fff; padding: 20px 22px; }
.exp-point b {
  display: block; font-family: var(--f-display); font-weight: 600; line-height: 1;
  font-size: 34px; color: var(--navy); margin-bottom: 7px; letter-spacing: .01em;
}
.exp-point span { font-size: 13px; line-height: 1.6; color: var(--muted); }
.exp-note { border-left: 3px solid var(--red); padding: 2px 0 2px 20px; }
.exp-note p { font-size: 13.5px; line-height: 1.72; color: var(--ink-2); }
.exp-note .btn { margin-top: 4px; }

/* ---------------- lightbox ---------------- */
.lightbox {
  position: fixed; inset: 0; z-index: 200; display: none;
  align-items: center; justify-content: center; padding: 40px;
  background: rgba(6, 22, 32, .94); backdrop-filter: blur(6px);
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 92vw; max-height: 86vh; object-fit: contain; box-shadow: 0 30px 90px rgba(0, 0, 0, .55); }
.lb-close {
  position: absolute; top: 14px; right: 26px; background: none; border: 0;
  color: #fff; font-size: 42px; line-height: 1; cursor: pointer; opacity: .8;
}
.lb-close:hover { opacity: 1; }

/* ---------------- responsive ---------------- */
@media (max-width: 1080px) {
  .nav { gap: 16px; }
  .brand-txt em { display: none; }
  .about-grid { gap: 40px; }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 34px 0; }
  .steps::before { display: none; }
  .eq-grid { grid-template-columns: repeat(2, 1fr); }
  .qual-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .figure-wide { aspect-ratio: 16 / 9; }
  .exp-grid { grid-template-columns: 1fr 1fr; }
  .exp-side { grid-column: 1 / -1; flex-direction: row; align-items: stretch; }
  .exp-points { flex: 1.2; grid-template-columns: 1fr 1fr 1fr; display: grid; }
  .exp-note { flex: 1; }
}

@media (max-width: 820px) {
  .topbar-left span:last-child { display: none; }
  .topbar-inner { justify-content: center; }
  .head-inner { height: 68px; }
  .burger { display: block; }
  .head-cta .btn { display: none; }
  .nav {
    position: fixed; inset: 68px 0 auto 0; background: #fff; flex-direction: column;
    align-items: flex-start; gap: 0; padding: 8px 24px 24px; border-bottom: 1px solid var(--line);
    transform: translateY(-120%); transition: transform .35s ease; z-index: 80; box-shadow: var(--shadow);
  }
  .nav.open { transform: translateY(0); }
  .nav a { width: 100%; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .hero { min-height: 88vh; }
  .hero-inner { padding: 96px 0 44px; }
  .hero-stats { grid-template-columns: 1fr 1fr; margin-top: 40px; }
  .hs { padding: 18px 18px 4px; }
  .hs:nth-child(3) { padding-left: 0; border-left: 0; }
  .hs b { font-size: 34px; }
  .sec { padding: 72px 0; }
  .sec-head { gap: 16px; flex-direction: column; margin-bottom: 36px; }
  .sec-head .num { padding-top: 0; }
  .strip-inner { grid-template-columns: 1fr 1fr; }
  .strip-item + .strip-item::before { display: none; }
  .ticks { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .prod-grid, .eq-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .form .row { grid-template-columns: 1fr; }
  .form { padding: 24px; }
  .exp-grid { grid-template-columns: 1fr; }
  .exp-side { flex-direction: column; }
  .exp-points { grid-template-columns: 1fr; }
  .shot { width: 215px; }
  .shot img { height: 268px; }
  .lightbox { padding: 16px; }
  .foot-inner, .foot-bottom { flex-direction: column; text-align: center; align-items: center; gap: 16px; }
  .foot-nav { justify-content: center; gap: 16px; }
  .lang-switch { margin-right: 2px; }
}

@media (max-width: 520px) {
  .wrap { width: calc(100% - 32px); }
  .hero h1 { font-size: 40px; }
  .cap-grid { grid-template-columns: 1fr; }
  .strip-inner { grid-template-columns: 1fr; }
  .q-metrics { gap: 24px; }
  .hero-actions .btn { width: 100%; }
}