:root {
  --navy: #17333a;
  --navy-2: #20464f;
  --teal: #2c6c78;
  --teal-dark: #245b66;
  --orange: #d96b2b;
  --orange-dark: #bd5720;
  --cream: #f4f0e7;
  --paper: #fbfaf7;
  --mist: #e6edef;
  --ink: #1d2b2f;
  --muted: #64757a;
  --line: #cdd8da;
  --white: #fff;
  --shadow: 0 18px 50px rgba(23, 51, 58, .12);
  --shell: min(1180px, calc(100% - 40px));
  --radius: 8px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, "Microsoft YaHei", "PingFang SC", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
.shell { width: var(--shell); margin-inline: auto; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; left: 16px; top: -100px; z-index: 9999;
  padding: 9px 14px; background: var(--orange); color: #fff; text-decoration: none;
}
.skip-link:focus { top: 16px; }

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(251,250,247,.96);
  border-bottom: 1px solid rgba(23,51,58,.12);
  backdrop-filter: blur(12px);
}
.address-bar {
  color: #d8e4e6; background: var(--navy);
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.address-bar-inner {
  min-height: 24px; display: flex; align-items: center; justify-content: flex-end;
  font-size: 12px; font-weight: 700; line-height: 1.25; letter-spacing: .01em;
}
.header-inner {
  min-height: 68px; display: flex; align-items: center; gap: 16px;
}
.brand { width: 178px; flex: 0 0 auto; }
.brand img { width: 100%; }
.header-phone {
  min-width: 190px; display: flex; flex-direction: column; justify-content: center;
  padding: 7px 0 7px 15px; border-left: 4px solid var(--orange);
  line-height: 1.05; text-decoration: none; white-space: nowrap;
}
.header-phone span {
  margin-bottom: 5px; color: var(--muted); font-size: 10px; font-weight: 900;
  text-transform: uppercase; letter-spacing: .1em;
}
.header-phone strong {
  color: var(--navy); font-size: 23px; font-weight: 900; letter-spacing: -.035em;
}
.header-phone:hover strong { color: var(--orange-dark); }
.primary-nav {
  margin-left: auto;
  padding-left: 25px;
  display: flex;
  align-items: center;
  gap: 18px;
}
.primary-nav a {
  font-size: 13px; font-weight: 700; text-decoration: none; color: #31484f;
}
.primary-nav a:hover { color: var(--orange-dark); }
.primary-nav .nav-cta {
  padding: 10px 13px; border: 1px solid var(--teal); border-radius: 4px; color: var(--teal-dark);
}
.language-switcher {
  display: flex; align-items: center; gap: 3px; padding-left: 11px;
  border-left: 1px solid var(--line);
}
.language-switcher a {
  min-width: 32px; padding: 6px 7px; border-radius: 4px; text-align: center;
  font-size: 11px; font-weight: 800; text-decoration: none; color: var(--muted);
}
.language-switcher a.active { background: var(--navy); color: #fff; }
.nav-toggle { display: none; border: 0; background: transparent; padding: 5px; }
.nav-toggle > span:not(.sr-only) { width: 24px; height: 2px; display: block; margin: 5px; background: var(--navy); }

.hero {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(118deg, var(--navy) 0%, #1e4b55 68%, #2d6974 100%);
}
.hero-pattern {
  position: absolute; inset: 0; opacity: .16;
  background-image:
    linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to right, transparent 0%, #000 52%, #000 100%);
}
.hero::after {
  content: ""; position: absolute; width: 500px; height: 500px; right: -190px; bottom: -300px;
  border: 60px solid rgba(217,107,43,.16); border-radius: 50%;
}
.hero-layout {
  position: relative; z-index: 2; min-height: 620px; display: grid; grid-template-columns: 1.05fr .95fr;
  align-items: center; gap: 52px; padding-block: 68px;
}
.eyebrow {
  margin: 0 0 14px; color: var(--orange); text-transform: uppercase;
  letter-spacing: .15em; font-size: 12px; font-weight: 800;
}
.hero .eyebrow, .capability-section .eyebrow, .page-hero .eyebrow, .tracking-page .eyebrow, .track-band .eyebrow { color: #f2a06f; }
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 24px; font-size: clamp(43px, 5.6vw, 76px); line-height: 1.02; letter-spacing: -.045em;
}
h1 span { color: #f5a06d; }
h2 { margin-bottom: 18px; font-size: clamp(31px, 3.5vw, 48px); line-height: 1.08; letter-spacing: -.035em; }
h3 { line-height: 1.22; }
.hero-intro { max-width: 690px; color: #d8e5e8; font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0 22px; }
.button {
  min-height: 48px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid transparent; border-radius: 5px; padding: 11px 17px;
  font-size: 13px; font-weight: 800; text-decoration: none; transition: .18s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--orange); color: #fff; }
.button-primary:hover { background: var(--orange-dark); }
.button-secondary { background: transparent; border-color: rgba(255,255,255,.5); color: #fff; }
.button-light { background: #fff; color: var(--navy); }
.hero-note {
  max-width: 660px; display: flex; gap: 10px; align-items: flex-start; color: #bcd0d4; font-size: 13px;
  border-top: 1px solid rgba(255,255,255,.18); padding-top: 17px;
}
.hero-note span { width: 8px; height: 8px; border-radius: 50%; margin-top: 6px; flex: 0 0 auto; background: var(--orange); }
.hero-machine {
  min-height: 405px; padding: 19px; background: #f5f7f4; color: var(--ink);
  border: 7px solid rgba(255,255,255,.12); box-shadow: 0 26px 70px rgba(9,31,36,.35);
}
.machine-label { display: flex; justify-content: space-between; font: 700 11px/1 Arial,sans-serif; letter-spacing: .08em; color: var(--muted); }
.machine-label strong { color: #3d8062; }
.machine-bed { position: relative; min-height: 265px; margin: 30px 0 17px; border-bottom: 16px solid #708186; }
.pedestal { position: absolute; bottom: 0; width: 70px; height: 125px; background: #405b62; border-top: 12px solid #293f45; }
.pedestal::after { content: ""; position: absolute; width: 30px; height: 30px; border: 9px solid #d9e1df; border-radius: 50%; top: 20px; left: 11px; background: #7e9298; }
.pedestal-left { left: 14%; }
.pedestal-right { right: 14%; }
.shaft-line { position: absolute; height: 15px; left: 15%; right: 15%; top: 95px; background: linear-gradient(#a9b4b6,#697b80); z-index: 2; }
.rotor-body { position: absolute; width: 170px; height: 115px; left: 50%; top: 46px; transform: translateX(-50%); border-radius: 8px; z-index: 3; background: repeating-linear-gradient(90deg,#246371 0 12px,#347b88 12px 24px); border: 6px solid #184b56; }
.rotor-body span { position: absolute; inset: 29px -18px; border: 9px solid #e0e6e4; border-left-color: #8ba0a5; border-right-color: #8ba0a5; }
.sensor { position: absolute; z-index: 5; top: 54px; width: 13px; height: 82px; background: var(--orange); box-shadow: 0 0 0 5px rgba(217,107,43,.16); }
.sensor-left { left: 30%; }
.sensor-right { right: 30%; }
.machine-readings { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); }
.machine-readings div { padding: 16px 10px 4px; border-right: 1px solid var(--line); }
.machine-readings div:last-child { border-right: 0; }
.machine-readings small { display: block; color: var(--muted); font-size: 11px; }
.machine-readings strong { display: block; color: var(--teal-dark); font-size: 21px; }

.proof-strip { background: var(--cream); border-bottom: 1px solid var(--line); }
.proof-grid { display: grid; grid-template-columns: repeat(4,1fr); }
.proof-grid div { min-height: 72px; display: flex; align-items: center; gap: 13px; padding: 14px 20px; border-right: 1px solid var(--line); }
.proof-grid div:first-child { border-left: 1px solid var(--line); }
.proof-grid strong { color: var(--orange); font-size: 16px; }
.proof-grid span { font-size: 14px; font-weight: 700; }

.section { padding-block: 64px; }
.section-heading { display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: end; margin-bottom: 14px; }
.section-heading > p { margin-bottom: 8px; color: var(--muted); font-size: 16px; }
.section-heading.compact { grid-template-columns: 1fr; max-width: 800px; }
.section-note { max-width: 720px; margin: 6px 0 0; color: var(--muted); font-size: 16px; }
.gallery-heading, .article-section-heading { margin-bottom: 26px; }
.article-section-heading h2 { margin-bottom: 10px; }
.service-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.service-card { position: relative; min-height: 225px; padding: 20px; background: #fff; border: 1px solid var(--line); box-shadow: 0 8px 26px rgba(23,51,58,.06); }
.service-card.featured { background: var(--teal); color: #fff; border-color: var(--teal); }
.card-index { display: inline-flex; margin-bottom: 12px; color: var(--orange); font-weight: 800; font-size: 16px; }
.service-card.featured .card-index { color: #ffc49d; }
.service-card h3 { margin-bottom: 10px; font-size: 22px; }
.service-card p { margin-bottom: 0; color: var(--muted); font-size: 15px; }
.service-card.featured p { color: #d8e8eb; }

.capability-section { background: var(--navy); color: #fff; }
.capability-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 50px; align-items: center; }
.capability-copy > p:not(.eyebrow) { color: #c2d2d5; }
.capability-note { display: flex; gap: 13px; margin-top: 22px; padding: 15px; border: 1px solid rgba(255,255,255,.18); }
.capability-note span { display: grid; place-items: center; width: 27px; height: 27px; border-radius: 50%; flex: 0 0 auto; background: var(--orange); font-weight: 800; }
.capability-note p { margin: 0; color: #dce8ea; font-size: 14px; }
.capability-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; }
.cap-card { min-height: 150px; display: flex; flex-direction: column; justify-content: space-between; padding: 20px; background: #f5f3eb; color: var(--ink); }
.cap-card:nth-child(2), .cap-card:nth-child(3) { background: #e2eaeb; }
.cap-card small { color: var(--muted); font-weight: 700; }
.cap-card strong { font-size: clamp(31px,4vw,51px); color: var(--teal-dark); letter-spacing: -.04em; }

.process-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.process-list li { display: grid; grid-template-columns: 86px 1fr; gap: 22px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.process-list > li > span { color: var(--orange); font-size: 16px; font-weight: 800; }
.process-list h3 { margin-bottom: 6px; font-size: 22px; }
.process-list p { margin: 0; color: var(--muted); font-size: 15px; }

.gallery-section { background: var(--cream); }
.project-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 17px; }
.preview-grid .project-card:nth-child(n+4) { margin-top: 8px; }
.project-card { margin: 0; background: #fff; border: 1px solid var(--line); box-shadow: 0 8px 24px rgba(23,51,58,.05); }
.project-card[hidden] { display: none; }
.project-card > a { display: block; overflow: hidden; }
.project-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; background: #dce5e6; transition: transform .25s ease; }
.project-card:hover img { transform: scale(1.018); }
.project-card figcaption { padding: 15px 16px 17px; }
.project-card figcaption small { display: block; margin-bottom: 5px; color: var(--orange-dark); font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.project-card figcaption strong { display: block; font-size: 18px; }
.project-card figcaption p { margin: 7px 0 0; color: var(--muted); font-size: 14px; }
.section-action { margin-top: 22px; }
.text-link { color: var(--teal-dark); font-weight: 800; text-decoration: none; }
.text-link span { color: var(--orange); }
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.filter-bar button { border: 1px solid var(--line); background: #fff; color: var(--ink); border-radius: 4px; padding: 9px 13px; font-size: 13px; font-weight: 700; }
.filter-bar button.active { background: var(--teal); color: #fff; border-color: var(--teal); }
.empty-state { padding: 30px; background: var(--cream); color: var(--muted); text-align: center; }

.article-section { background: #fff; }
.article-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.article-card { background: var(--paper); border: 1px solid var(--line); }
.article-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; background: var(--mist); }
.article-card > div { padding: 18px; }
.article-card time { color: var(--orange-dark); font-size: 12px; font-weight: 800; }
.article-card h3, .article-card h2 { margin: 8px 0 9px; font-size: 22px; letter-spacing: -.02em; }
.article-card h2 a { text-decoration: none; }
.article-card p { color: var(--muted); font-size: 15px; }
.article-card > div > a { color: var(--teal-dark); font-size: 14px; font-weight: 800; text-decoration: none; }
.article-grid-page { grid-template-columns: repeat(2,1fr); }
.article-grid-page .article-card { display: grid; grid-template-columns: .85fr 1.15fr; }
.article-grid-page .article-card img { height: 100%; aspect-ratio: auto; }

.track-band { padding-block: 45px; background: var(--teal); color: #fff; }
.track-band-inner { display: flex; justify-content: space-between; gap: 40px; align-items: center; }
.track-band h2 { margin-bottom: 10px; font-size: clamp(29px,3vw,43px); }
.track-band p:last-child { margin-bottom: 0; color: #d8e9eb; }

.contact-section { background: #eef3f2; }
.contact-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 50px; }
.contact-layout > div > p { color: var(--muted); }
.contact-placeholder { display: grid; gap: 4px; margin-top: 20px; padding: 18px; border-left: 4px solid var(--orange); background: #fff; }
.contact-placeholder strong { color: var(--teal-dark); }
.contact-placeholder small { color: var(--muted); }
.enquiry-form { padding: 23px; background: #fff; border: 1px solid var(--line); }
.form-required-note { margin: 0 0 18px; padding: 11px 13px; border-left: 4px solid var(--orange); background: #fff8ef; color: #344d53; font-size: 13px; font-weight: 750; }
.form-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; margin-bottom: 20px; }
.form-grid label { display: grid; gap: 6px; color: #3c5056; font-size: 13px; font-weight: 800; }
.form-grid label.full { grid-column: 1/-1; }
.field-label { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.required-mark { color: #b93822; font-size: 16px; line-height: 1; }
.field-status { display: inline-flex; align-items: center; width: fit-content; border-radius: 999px; padding: 2px 7px; font-size: 10px; font-weight: 900; line-height: 1.4; letter-spacing: .03em; text-transform: uppercase; }
.field-status.required { background: #fff0ed; color: #a83220; border: 1px solid #e6b6ad; }
.field-status.optional { background: #eef3f2; color: #667b80; border: 1px solid #d2ddde; }
input, textarea { width: 100%; border: 1px solid #b9c7c9; border-radius: 4px; padding: 11px 12px; background: #fff; color: var(--ink); }
input:focus, textarea:focus { outline: 3px solid rgba(44,108,120,.15); border-color: var(--teal); }
input.is-invalid { border-color: #b93822; box-shadow: 0 0 0 3px rgba(185,56,34,.1); }
.field-error { color: #a83220; font-size: 11px; font-weight: 750; }
.other-detail { margin-top: 2px; }
.enquiry-output { margin-top: 18px; padding: 16px; background: var(--navy); color: #fff; }
.enquiry-output pre { white-space: pre-wrap; font: 13px/1.5 Consolas, monospace; }
.enquiry-next-step { margin-top: 15px; padding: 13px 14px; border-left: 4px solid var(--orange); background: rgba(255,255,255,.1); }
.enquiry-next-step strong { display: block; margin-bottom: 4px; color: #fff; }
.enquiry-next-step p { margin: 0; color: #e3edef; font-size: 13px; line-height: 1.5; }
.enquiry-output .form-actions { margin-top: 12px; }
.button-whatsapp { border-color: #fff; background: #fff; color: var(--teal-dark); }
.button-whatsapp:hover { background: #edf5f4; }

.page-hero { padding: 64px 0 54px; color: #fff; background: linear-gradient(120deg, var(--navy), var(--teal-dark)); }
.page-hero h1 { max-width: 850px; margin-bottom: 16px; }
.page-hero p:last-child { max-width: 760px; color: #d2e2e5; font-size: 18px; }

.tracking-page { min-height: 660px; padding-block: 90px; color: #fff; background: linear-gradient(130deg, var(--navy), #285d67); }
.tracking-layout { display: grid; grid-template-columns: 1fr .85fr; gap: 80px; align-items: center; }
.tracking-copy > p:last-of-type { color: #d1e0e3; }
.sample-tag { width: 280px; margin-top: 30px; padding: 20px; border-radius: 8px; background: #fff; color: var(--ink); box-shadow: var(--shadow); }
.sample-tag span { display: block; color: var(--teal-dark); font-weight: 900; }
.sample-tag small { display: block; margin-top: 13px; color: var(--muted); font-size: 10px; }
.sample-tag strong { display: block; font-size: 25px; letter-spacing: .05em; }
.sample-tag b { display: inline-block; padding: 5px 9px; background: var(--cream); color: var(--orange-dark); font-size: 21px; letter-spacing: .15em; }
.tracking-form { padding: 31px; background: #fff; color: var(--ink); box-shadow: var(--shadow); }
.tracking-form label { display: grid; gap: 7px; margin-bottom: 18px; font-size: 13px; font-weight: 800; }
.tracking-note { margin: 18px 0 0; color: var(--muted); font-size: 12px; }
.tracking-result { margin-top: 18px; padding: 15px; background: var(--cream); color: var(--ink); }

.article-hero { padding: 56px 0; background: var(--cream); border-bottom: 1px solid var(--line); }
.article-hero-grid { display: grid; grid-template-columns: 1fr .75fr; gap: 55px; align-items: center; }
.article-hero h1 { color: var(--navy); font-size: clamp(40px,5vw,65px); }
.article-hero p { color: var(--muted); font-size: 18px; }
.article-hero time { display: block; margin: 15px 0; color: var(--orange-dark); font-size: 12px; font-weight: 800; }
.article-hero img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.back-link { color: var(--teal-dark); font-size: 13px; font-weight: 800; text-decoration: none; }
.article-content { max-width: 820px; padding-block: 55px 70px; }
.article-content h2 { margin-top: 40px; font-size: 30px; }
.article-content h3 { margin-top: 28px; }
.article-content p, .article-content li { color: #43575c; }
.article-content table { width: 100%; border-collapse: collapse; margin: 25px 0; }
.article-content th, .article-content td { padding: 11px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.article-content th { background: var(--cream); }
.article-content blockquote { margin: 30px 0; padding: 18px 22px; border-left: 4px solid var(--orange); background: var(--cream); }

.site-footer { padding-top: 42px; color: #d8e4e6; background: #102b31; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 40px; padding-bottom: 34px; }
.footer-logo { width: 220px; opacity: .96; }
.footer-grid p { max-width: 420px; color: #a8bcc0; font-size: 14px; }
.footer-grid > div:not(:first-child) { display: flex; flex-direction: column; gap: 8px; }
.footer-grid strong { color: #fff; margin-bottom: 7px; }
.footer-grid a, .footer-grid span { color: #a8bcc0; font-size: 14px; text-decoration: none; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; padding: 14px 0 18px; border-top: 1px solid rgba(255,255,255,.12); color: #8da5aa; font-size: 12px; }
.footer-bottom .footer-credit-link { color: #a8bcc0; text-decoration: underline; text-underline-offset: 2px; }
.credits-page { min-height: 100vh; padding: 60px 0 80px; background: var(--paper); }
.credits-shell { max-width: 900px; }
.credits-page h1 { max-width: 800px; margin: 18px 0; color: var(--navy); font-size: clamp(38px,5vw,58px); }
.credits-page > .shell > p { max-width: 760px; font-size: 16px; color: var(--muted); }
.credits-list { margin: 30px 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.credits-list li { padding: 16px 0; border-bottom: 1px solid var(--line); color: #43575c; }
.credits-list a { color: var(--teal-dark); font-weight: 800; }
.credits-note { padding: 18px; background: var(--cream); border-left: 4px solid var(--orange); }

@media (max-width: 1100px) {
  .primary-nav { gap: 14px; }
  .primary-nav a { font-size: 12px; }
  .service-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 900px) {
  .header-inner { flex-wrap: wrap; padding-block: 12px; }
  .nav-toggle { display: block; margin-left: auto; }
  .language-switcher { order: 3; margin-left: auto; }
  .primary-nav { display: none; order: 4; width: 100%; margin: 0; padding: 12px 0 6px; flex-direction: column; align-items: stretch; border-top: 1px solid var(--line); }
  .primary-nav.open { display: flex; }
  .primary-nav a { padding: 8px 0; }
  .primary-nav .nav-cta { text-align: center; }
  .hero-layout, .capability-layout, .contact-layout, .tracking-layout, .article-hero-grid { grid-template-columns: 1fr; }
  .hero-layout { padding-block: 75px; }
  .hero-machine { max-width: 650px; }
  .section-heading { grid-template-columns: 1fr; gap: 15px; }
  .project-grid, .article-grid { grid-template-columns: repeat(2,1fr); }
  .article-grid-page .article-card { grid-template-columns: 1fr; }
  .article-grid-page .article-card img { aspect-ratio: 16/9; }
  .proof-grid { grid-template-columns: repeat(2,1fr); }
  .track-band-inner { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 620px) {
  :root { --shell: min(100% - 28px, 1180px); }
  .address-bar-inner { min-height: auto; justify-content: center; padding-block: 6px; text-align: center; font-size: 11px; }
  .brand { width: 145px; }
  .header-phone { min-width: 0; padding-left: 10px; }
  .header-phone span { display: none; }
  .header-phone strong { font-size: 16px; }
  .language-switcher { width: 100%; padding: 8px 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .nav-toggle { margin-left: 0; }

  h1 { font-size: 43px; }
  .hero-layout { min-height: auto; gap: 45px; }
  .machine-readings { grid-template-columns: 1fr; }
  .machine-readings div { border-right: 0; border-bottom: 1px solid var(--line); }
  .proof-grid, .service-grid, .capability-grid, .project-grid, .article-grid, .form-grid { grid-template-columns: 1fr; }
  .proof-grid div { border-left: 1px solid var(--line); }
  .section { padding-block: 52px; }
  .process-list li { grid-template-columns: 48px 1fr; gap: 10px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
  .sample-tag { width: 100%; max-width: 300px; }
}

/* Rev 3 — material safety and intake declaration */
select { font: inherit; }
input[type="checkbox"] { width: auto; }
input, textarea, select { width: 100%; border: 1px solid #b9c7c9; border-radius: 4px; padding: 11px 12px; background: #fff; color: var(--ink); }
input:focus, textarea:focus, select:focus { outline: 3px solid rgba(44,108,120,.15); border-color: var(--teal); }
.checkbox-label { display: flex !important; grid-template-columns: none !important; flex-direction: row; align-items: flex-start; gap: 11px !important; padding: 14px; background: var(--cream); border-left: 4px solid var(--orange); line-height: 1.45; }
.checkbox-label input { flex: 0 0 auto; margin-top: 4px; }
.checkbox-label span { font-weight: 600; }
.checkbox-label .field-status { display: inline-flex; margin-left: 6px; font-weight: 900; }
.checkbox-label a { color: var(--teal-dark); font-weight: 800; }
.form-safety-note { margin: -3px 0 18px; color: var(--muted); font-size: 12px; }
.button-outline { border-color: var(--teal); background: transparent; color: var(--teal-dark); }
.button-outline:hover { background: var(--mist); }
.form-actions { display: flex; flex-wrap: wrap; gap: 10px; }

.home-safety-section { background: #e8efee; border-block: 1px solid var(--line); }
.home-safety-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 50px; align-items: center; }
.home-safety-layout > div > p:not(.eyebrow) { max-width: 690px; color: var(--muted); }
.safety-check-list { list-style: none; margin: 0; padding: 0; background: #fff; border: 1px solid var(--line); box-shadow: 0 12px 34px rgba(23,51,58,.08); }
.safety-check-list li { display: grid; grid-template-columns: 34px 1fr; gap: 12px; align-items: center; min-height: 60px; padding: 12px 18px; border-bottom: 1px solid var(--line); font-size: 15px; font-weight: 700; }
.safety-check-list li:last-child { border-bottom: 0; }
.safety-check-list span { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--teal); color: #fff; font-size: 13px; }

.safety-page-hero { background: linear-gradient(120deg, #17333a, #315e62); }
.safety-requirements { background: var(--paper); }
.safety-card-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 17px; }
.safety-card { min-height: 220px; padding: 22px 20px; background: #fff; border: 1px solid var(--line); }
.safety-card > span { display: inline-block; margin-bottom: 24px; color: var(--orange); font-size: 12px; font-weight: 900; }
.safety-card h3 { font-size: 22px; }
.safety-card p { margin: 0; color: var(--muted); font-size: 15px; }
.safety-guide-section { background: var(--cream); }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
.safety-table { width: 100%; min-width: 760px; border-collapse: collapse; }
.safety-table th, .safety-table td { padding: 16px 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.safety-table th { background: var(--navy); color: #fff; font-size: 12px; letter-spacing: .03em; }
.safety-table th:first-child { width: 36%; }
.safety-table td:first-child { color: var(--navy); font-weight: 800; }
.safety-table tr:last-child td { border-bottom: 0; }
.safety-rights { display: grid; grid-template-columns: 220px 1fr; gap: 25px; margin-top: 24px; padding: 23px; color: #fff; background: var(--teal-dark); }
.safety-rights strong { color: #ffc19b; }
.safety-rights p { margin: 0; color: #d9e7e9; }

.declaration-section { background: #eef3f2; }
.declaration-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 48px; align-items: start; }
.declaration-layout > div > p:not(.eyebrow) { color: var(--muted); }
.declaration-note { display: flex; gap: 13px; margin-top: 27px; padding: 18px; background: #fff; border-left: 4px solid var(--orange); }
.declaration-note span { display: grid; place-items: center; width: 28px; height: 28px; flex: 0 0 auto; border-radius: 50%; background: var(--orange); color: #fff; font-weight: 900; }
.declaration-note p { margin: 0; color: var(--muted); font-size: 13px; }
.declaration-form { padding: 24px; background: #fff; border: 1px solid var(--line); box-shadow: 0 12px 34px rgba(23,51,58,.06); }
.declaration-output { margin-top: 20px; padding: 18px; background: var(--navy); color: #fff; }
.declaration-output > strong { display: block; color: #ffc19b; }
.declaration-output pre { white-space: pre-wrap; font: 13px/1.55 Consolas, monospace; }
.declaration-output .button-outline { border-color: rgba(255,255,255,.5); color: #fff; }

@media (max-width: 1400px) {
  .header-inner { gap: 11px; }
  .brand { width: 158px; }
  .header-phone { min-width: 176px; padding-left: 11px; }
  .header-phone strong { font-size: 21px; }
  .primary-nav { gap: 10px; }
  .primary-nav a { font-size: 10.5px; }
}
@media (max-width: 1050px) {
  .header-inner { flex-wrap: wrap; padding-block: 10px; }
  .brand { width: 170px; }
  .header-phone { margin-left: auto; min-width: 185px; }
  .header-phone strong { font-size: 20px; }
  .nav-toggle { display: block; }
  .language-switcher { order: 4; margin-left: 0; }
  .primary-nav {
    display: none; order: 5; width: 100%; margin: 0; padding: 12px 0 5px;
    flex-direction: column; align-items: stretch; border-top: 1px solid var(--line);
  }
  .primary-nav.open { display: flex; }
  .primary-nav a { padding: 8px 0; font-size: 12px; }
  .primary-nav .nav-cta { text-align: center; }
}

@media (max-width: 900px) {
  .home-safety-layout, .declaration-layout { grid-template-columns: 1fr; }
  .safety-card-grid { grid-template-columns: repeat(2,1fr); }
  .safety-rights { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .safety-card-grid { grid-template-columns: 1fr; }
  .form-actions .button { width: 100%; }
}

@media print {
  .site-header, .site-footer, .page-hero, .safety-requirements, .safety-guide-section,
  .declaration-layout > div, .declaration-form > .form-grid, .declaration-form > .form-actions,
  .declaration-output button { display: none !important; }
  body, .declaration-section { background: #fff; }
  .section, .declaration-section { padding: 0; }
  .declaration-layout { display: block; width: 100%; }
  .declaration-form { padding: 0; border: 0; box-shadow: none; }
  .declaration-output { display: block !important; margin: 0; padding: 0; background: #fff; color: #000; }
  .declaration-output > strong { color: #000; font-size: 18px; }
  .declaration-output pre { font: 12pt/1.55 Arial, sans-serif; white-space: pre-wrap; }
}

/* Rev SEO service landing pages */
.rotor-service-section { background: #f7f1e8; }
.rotor-service-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.rotor-service-card { display: flex; min-height: 255px; flex-direction: column; padding: 21px 19px; border: 1px solid var(--line); background: #fff; color: var(--ink); text-decoration: none; box-shadow: 0 8px 24px rgba(23,51,58,.04); }
.rotor-service-card > span { color: var(--orange-dark); font-size: 11px; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; }
.rotor-service-card h3 { margin: 15px 0 10px; font-size: 22px; line-height: 1.08; }
.rotor-service-card p { flex: 1; margin: 0 0 18px; color: var(--muted); font-size: 14px; }
.rotor-service-card strong { color: var(--teal-dark); font-size: 13px; }
.rotor-service-card:hover { border-color: #93adb1; transform: translateY(-2px); }

.service-hero { padding: 58px 0; background: linear-gradient(120deg, var(--navy), var(--teal-dark)); color: #fff; }
.service-hero-grid { display: grid; grid-template-columns: 1.06fr .94fr; gap: 54px; align-items: center; }
.service-hero .back-link { display: inline-block; margin-bottom: 20px; color: #d5e7e9; }
.service-hero .eyebrow { color: #ffb48c; }
.service-hero h1 { margin: 8px 0 18px; max-width: 780px; font-size: clamp(42px,5vw,68px); letter-spacing: -.045em; }
.service-hero p:not(.eyebrow) { max-width: 780px; color: #d7e6e8; font-size: 18px; }
.service-hero img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border: 1px solid rgba(255,255,255,.18); box-shadow: 0 18px 50px rgba(0,0,0,.22); }
.service-hero .button-secondary { border-color: rgba(255,255,255,.5); color: #fff; }

.service-capability-strip { background: #fff; border-bottom: 1px solid var(--line); }
.service-capability-grid { display: grid; grid-template-columns: repeat(4,1fr); }
.service-capability-grid > div { padding: 22px 20px; border-right: 1px solid var(--line); }
.service-capability-grid > div:first-child { border-left: 1px solid var(--line); }
.service-capability-grid small { display: block; margin-bottom: 5px; color: var(--muted); font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; }
.service-capability-grid strong { color: var(--navy); font-size: 23px; }

.service-content-layout { display: grid; grid-template-columns: minmax(0,1fr) 285px; gap: 58px; align-items: start; }
.service-content { max-width: none; padding-top: 58px; }
.service-content .button { display: inline-flex; margin-top: 8px; color: #fff; }
.service-sidebar { position: sticky; top: 138px; display: grid; gap: 18px; padding-top: 58px; }
.service-sidebar-card { padding: 18px; border: 1px solid var(--line); background: var(--cream); }
.service-sidebar-card > strong { display: block; margin-bottom: 11px; color: var(--navy); }
.service-sidebar-card > a { display: block; padding: 8px 0; border-bottom: 1px solid rgba(85,110,116,.18); color: var(--teal-dark); font-size: 13px; font-weight: 750; text-decoration: none; }
.service-sidebar-card > a:last-child { border-bottom: 0; }
.service-sidebar-card > a.active { color: var(--orange-dark); }
.service-sidebar-card p { color: var(--muted); font-size: 13px; }

.service-faq-section { background: #eef3f2; }
.service-faq-shell { max-width: 920px; }
.service-faq-shell h2 { margin-bottom: 24px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); background: #fff; }
.faq-list summary { cursor: pointer; padding: 18px 20px; color: var(--navy); font-weight: 800; }
.faq-list details p { margin: 0; padding: 0 20px 20px; color: var(--muted); }

.service-cta-band { padding: 40px 0; background: var(--teal); color: #fff; }
.service-cta-inner { display: flex; justify-content: space-between; gap: 40px; align-items: center; }
.service-cta-inner h2 { margin: 0 0 8px; font-size: clamp(28px,3vw,42px); }
.service-cta-inner p:last-child { max-width: 760px; margin: 0; color: #d8e9eb; }
.article-references { margin-top: 50px; padding-top: 26px; border-top: 1px solid var(--line); }
.article-references h2 { margin-top: 0; }
.article-references a { color: var(--teal-dark); }

@media (max-width: 1200px) {
  .rotor-service-grid { grid-template-columns: repeat(3,1fr); }
}
@media (max-width: 900px) {
  .service-hero-grid, .service-content-layout { grid-template-columns: 1fr; }
  .service-sidebar { position: static; padding-top: 0; padding-bottom: 50px; }
  .service-capability-grid { grid-template-columns: repeat(2,1fr); }
  .service-capability-grid > div:nth-child(odd) { border-left: 1px solid var(--line); }
  .rotor-service-grid { grid-template-columns: repeat(2,1fr); }
  .service-cta-inner { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 620px) {
  .rotor-service-grid, .service-capability-grid { grid-template-columns: 1fr; }
  .service-capability-grid > div { border-left: 1px solid var(--line); }
  .service-hero { padding: 44px 0; }
}