:root {
  --ink: #0c2638;
  --ink-2: #173d56;
  --teal: #14847c;
  --teal-dark: #0a6762;
  --mint: #dff4ef;
  --paper: #f4f7f8;
  --white: #ffffff;
  --line: #cfdae0;
  --muted: #5e7280;
  --orange: #ee8a41;
  --shadow: 0 24px 60px rgba(12, 38, 56, 0.13);
  --radius: 22px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { display: block; width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
.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: -60px;
  z-index: 1000;
  padding: 10px 16px;
  background: var(--ink);
  color: #fff;
  border-radius: 8px;
}
.skip-link:focus { top: 16px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(207, 218, 224, 0.8);
  background: rgba(244, 247, 248, 0.93);
  backdrop-filter: blur(18px);
}
.nav-wrap {
  width: min(calc(100% - 40px), var(--max));
  min-height: 78px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.1;
}
.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--teal);
  border-radius: 11px 11px 11px 3px;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
}
.brand small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 650;
  letter-spacing: 0.16em;
}
.site-nav { display: flex; align-items: center; gap: 24px; }
.header-actions { display: flex; align-items: center; gap: 10px; order: 3; }
.language-picker select {
  min-height: 42px;
  padding: 8px 32px 8px 11px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 9px;
  cursor: pointer;
}
.site-nav a {
  position: relative;
  color: #354f60;
  font-size: 0.93rem;
  font-weight: 650;
}
.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 2px;
  background: var(--teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .2s ease;
}
.site-nav a:hover::after,
.site-nav a.active::after { transform: scaleX(1); }
.nav-cta {
  padding: 11px 17px;
  color: #fff !important;
  background: var(--ink);
  border-radius: 10px;
}
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
}

.container { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }
.hero {
  position: relative;
  overflow: hidden;
  padding: 92px 0 74px;
  background:
    linear-gradient(rgba(12,38,56,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(12,38,56,.035) 1px, transparent 1px),
    var(--paper);
  background-size: 42px 42px;
}
.hero::before {
  content: "";
  position: absolute;
  width: 540px;
  height: 540px;
  left: -250px;
  top: -280px;
  border: 1px solid rgba(20,132,124,.35);
  border-radius: 50%;
  box-shadow: 0 0 0 72px rgba(20,132,124,.035), 0 0 0 144px rgba(20,132,124,.025);
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.03fr .97fr;
  align-items: center;
  gap: 76px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 20px;
  color: var(--teal-dark);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--teal); }
h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: -.035em; }
h1 { max-width: 760px; font-size: clamp(2.7rem, 5.2vw, 5.2rem); }
h2 { font-size: clamp(2rem, 3.5vw, 3.35rem); }
h3 { font-size: 1.3rem; }
.hero-copy p {
  max-width: 640px;
  margin: 26px 0 32px;
  color: #4f6776;
  font-size: 1.16rem;
}
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 20px;
  border: 1px solid var(--ink);
  border-radius: 10px;
  background: var(--ink);
  color: #fff;
  font-weight: 750;
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(12,38,56,.16); }
.button.secondary { background: transparent; color: var(--ink); }
.button.secondary:hover { background: #fff; }
.button.teal { border-color: var(--teal); background: var(--teal); }
.arrow { font-size: 1.15em; }
.hero-note { margin-top: 24px; color: var(--muted); font-size: .86rem; }

.hero-visual { position: relative; min-height: 510px; }
.hero-main-photo {
  position: absolute;
  inset: 0 38px 64px 0;
  overflow: hidden;
  border-radius: 4px 28px 4px 28px;
  box-shadow: var(--shadow);
}
.hero-main-photo img { height: 100%; object-fit: cover; }
.hero-main-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(5,28,42,.3));
}
.hero-inset {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 48%;
  aspect-ratio: 1.18;
  padding: 10px;
  background: var(--paper);
  border-radius: 4px 4px 22px 4px;
  box-shadow: 0 18px 40px rgba(12,38,56,.18);
}
.hero-inset img { height: 100%; object-fit: cover; border-radius: 3px 3px 15px 3px; }
.spec-tag {
  position: absolute;
  left: -22px;
  bottom: 22px;
  z-index: 2;
  padding: 10px 14px;
  color: #fff;
  background: var(--teal);
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.crosshair {
  position: absolute;
  right: 11px;
  top: -27px;
  width: 84px;
  height: 84px;
  border: 1px solid rgba(20,132,124,.5);
  border-radius: 50%;
}
.crosshair::before, .crosshair::after { content: ""; position: absolute; background: rgba(20,132,124,.5); }
.crosshair::before { width: 112px; height: 1px; left: -14px; top: 41px; }
.crosshair::after { width: 1px; height: 112px; left: 41px; top: -14px; }

.spec-strip { background: var(--ink); color: #fff; }
.spec-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.spec-item {
  min-height: 126px;
  padding: 27px 25px;
  border-left: 1px solid rgba(255,255,255,.14);
}
.spec-item:last-child { border-right: 1px solid rgba(255,255,255,.14); }
.spec-item strong { display: block; margin-bottom: 5px; font-size: 1.05rem; }
.spec-item span { color: #b8cbd6; font-size: .86rem; }

.section { padding: 104px 0; }
.section.white { background: var(--white); }
.section.dark { background: var(--ink); color: #fff; }
.section-head {
  display: grid;
  grid-template-columns: .7fr 1.3fr;
  gap: 56px;
  align-items: end;
  margin-bottom: 46px;
}
.section-head p { max-width: 680px; margin: 0; color: var(--muted); font-size: 1.05rem; }
.dark .section-head p { color: #b8cbd6; }
.kicker { margin-bottom: 12px; color: var(--teal); font-size: .76rem; font-weight: 850; letter-spacing: .15em; text-transform: uppercase; }

.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.capability-card {
  position: relative;
  overflow: hidden;
  min-height: 500px;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .25s ease, box-shadow .25s ease;
}
.capability-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.capability-card .photo { height: 230px; overflow: hidden; background: #e5ebee; }
.capability-card .photo img { height: 100%; object-fit: cover; transition: transform .4s ease; }
.capability-card:hover .photo img { transform: scale(1.035); }
.capability-card .body { flex: 1; padding: 28px; display: flex; flex-direction: column; }
.capability-card .num { margin-bottom: 14px; color: var(--teal); font-size: .78rem; font-weight: 850; letter-spacing: .14em; }
.capability-card p { color: var(--muted); }
.text-link { margin-top: auto; color: var(--teal-dark); font-weight: 800; }

.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.process-step { position: relative; padding: 30px 26px 28px 0; border-top: 1px solid rgba(255,255,255,.22); }
.process-step:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 25px;
  top: -5px;
  width: 9px;
  height: 9px;
  border-top: 2px solid var(--teal);
  border-right: 2px solid var(--teal);
  transform: rotate(45deg);
}
.process-step b { display: block; margin-bottom: 8px; color: #71d6cc; font-size: .78rem; letter-spacing: .13em; }
.process-step p { margin: 10px 0 0; color: #b8cbd6; font-size: .92rem; }

.quality-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 54px; align-items: stretch; }
.quality-photo { position: relative; overflow: hidden; min-height: 520px; border-radius: 4px 28px 4px 28px; }
.quality-photo img { height: 100%; object-fit: cover; }
.quality-photo .caption {
  position: absolute;
  left: 18px;
  bottom: 18px;
  padding: 9px 13px;
  background: rgba(12,38,56,.9);
  color: #fff;
  font-size: .8rem;
}
.quality-panel { padding: 48px; background: var(--mint); border-radius: 28px 4px 28px 4px; }
.cert-block { margin: 32px 0; padding: 24px; border: 1px solid rgba(20,132,124,.28); background: rgba(255,255,255,.62); }
.cert-row { display: grid; grid-template-columns: 145px 1fr; gap: 16px; padding: 10px 0; border-bottom: 1px solid rgba(20,132,124,.18); }
.cert-row:last-child { border-bottom: 0; }
.cert-row span { color: var(--muted); font-size: .87rem; }
.cert-row strong { font-size: .91rem; }
.equipment-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 22px; margin: 26px 0 0; padding: 0; list-style: none; }
.equipment-list li { position: relative; padding-left: 20px; font-weight: 650; }
.equipment-list li::before { content: "+"; position: absolute; left: 0; color: var(--teal); font-weight: 900; }

.experience-band {
  position: relative;
  overflow: hidden;
  padding: 62px;
  color: #fff;
  background: var(--teal-dark);
  border-radius: 4px 32px 4px 32px;
}
.experience-band::after {
  content: "PROJECT EXPERIENCE";
  position: absolute;
  right: -34px;
  bottom: -18px;
  color: rgba(255,255,255,.08);
  font-size: clamp(2.5rem, 7vw, 6rem);
  font-weight: 900;
  letter-spacing: -.04em;
  white-space: nowrap;
}
.experience-band > * { position: relative; z-index: 1; }
.experience-band p { max-width: 880px; margin: 20px 0 0; color: #d6efec; font-size: 1.08rem; }
.experience-band small { display: block; max-width: 850px; margin-top: 24px; color: #afd6d2; font-size: .78rem; }
.accent { color: #b8f0e9 !important; }
.muted { color: var(--muted); }
.top-gap { margin-top: 32px; }
.dark-outline { color: #fff; border-color: #8fa7b5; background: transparent; }

.download-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 36px;
}
.download-card { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 24px; border: 1px solid var(--line); background: #fff; }
.download-card span { color: var(--muted); font-size: .86rem; }
.download-card b { display: block; margin-bottom: 2px; }
.download-icon { flex: 0 0 auto; width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; background: var(--mint); color: var(--teal-dark); font-weight: 900; }

.contact-section { background: var(--ink); color: #fff; }
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 58px; }
.contact-copy p { color: #b8cbd6; }
.contact-details { margin: 36px 0 0; padding: 0; list-style: none; }
.contact-details li { padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.14); }
.contact-details span { display: block; color: #8eabbc; font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; }
.contact-details a, .contact-details strong { font-size: 1rem; }
.contact-details.light { color: var(--ink); margin-top: 30px; }
.contact-details.light li { border-color: var(--line); }
.footer-brand { color: #fff; }
.contact-form { padding: 34px; color: var(--ink); background: #fff; border-radius: 4px 26px 4px 26px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field.full { grid-column: 1 / -1; }
.field label { display: block; margin-bottom: 7px; font-size: .79rem; font-weight: 800; }
.field input, .field select, .field textarea {
  width: 100%;
  min-height: 48px;
  padding: 11px 13px;
  color: var(--ink);
  background: #f7f9fa;
  border: 1px solid var(--line);
  border-radius: 7px;
  outline: none;
}
.field textarea { min-height: 118px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(20,132,124,.12); }
.form-note { margin: 14px 0 0; color: var(--muted); font-size: .78rem; }
.form-status { min-height: 24px; margin: 10px 0 0; color: var(--teal-dark); font-size: .86rem; font-weight: 700; }

.site-footer { padding: 36px 0; color: #8fa7b5; background: #071b28; font-size: .82rem; }
.footer-grid { display: flex; align-items: flex-start; justify-content: space-between; gap: 30px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-note { max-width: 590px; margin-top: 11px; }

.page-hero { position: relative; overflow: hidden; padding: 92px 0 76px; color: #fff; background: var(--ink); }
.page-hero::after {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  right: -190px;
  top: -310px;
  border: 1px solid rgba(113,214,204,.28);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(113,214,204,.035), 0 0 0 140px rgba(113,214,204,.025);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { max-width: 900px; font-size: clamp(2.6rem, 5vw, 4.8rem); }
.page-hero p { max-width: 760px; margin: 24px 0 0; color: #b8cbd6; font-size: 1.1rem; }
.page-code { display: inline-block; margin-bottom: 18px; color: #71d6cc; font-size: .76rem; font-weight: 850; letter-spacing: .16em; }

.detail-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: center; }
.detail-grid.reverse { grid-template-columns: 1.1fr .9fr; }
.detail-grid.reverse .detail-photo { order: 2; }
.detail-photo { position: relative; min-height: 410px; overflow: hidden; border-radius: 4px 26px 4px 26px; background: #e1e8eb; }
.detail-photo img { position: absolute; inset: 0; height: 100%; object-fit: cover; }
.detail-copy p { color: var(--muted); }
.bullet-list { margin: 25px 0 0; padding: 0; list-style: none; }
.bullet-list li { position: relative; padding: 10px 0 10px 28px; border-bottom: 1px solid var(--line); font-weight: 650; }
.bullet-list li::before { content: ""; position: absolute; left: 2px; top: 19px; width: 8px; height: 8px; border: 2px solid var(--teal); border-radius: 50%; }
.scope-note { margin-top: 22px; padding: 14px 17px; color: var(--teal-dark); background: var(--mint); border-left: 3px solid var(--teal); font-size: .86rem; }

.resource-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.resource-card { padding: 28px; background: #fff; border-top: 3px solid var(--teal); }
.resource-card p { margin-bottom: 0; color: var(--muted); font-size: .92rem; }

.metric-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.metric-card { padding: 28px; background: #fff; border: 1px solid var(--line); }
.metric-card .label { color: var(--muted); font-size: .76rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.metric-card strong { display: block; margin-top: 8px; font-size: 1.05rem; }

.company-intro { display: grid; grid-template-columns: 1.15fr .85fr; gap: 62px; align-items: start; }
.company-intro p { color: var(--muted); font-size: 1.05rem; }
.principles { display: grid; gap: 12px; }
.principle { padding: 22px; background: #fff; border-left: 3px solid var(--teal); }
.principle b { display: block; margin-bottom: 4px; }
.principle span { color: var(--muted); font-size: .9rem; }

.rfq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: start; }
.checklist { counter-reset: checklist; margin: 26px 0 0; padding: 0; list-style: none; }
.checklist li { counter-increment: checklist; position: relative; min-height: 58px; padding: 16px 0 16px 52px; border-bottom: 1px solid var(--line); }
.checklist li::before { content: counter(checklist, decimal-leading-zero); position: absolute; left: 0; top: 16px; color: var(--teal); font-size: .78rem; font-weight: 900; letter-spacing: .08em; }
.qr-card { display: grid; grid-template-columns: 130px 1fr; gap: 24px; align-items: center; margin-top: 26px; padding: 22px; background: #fff; border: 1px solid var(--line); }
.qr-card img { width: 130px; border-radius: 6px; }
.qr-card p { margin: 5px 0 0; color: var(--muted); font-size: .88rem; }
.qr-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 26px; }
.qr-pair .qr-card { grid-template-columns: 94px 1fr; margin-top: 0; padding: 17px; }
.qr-pair .qr-card img { width: 94px; }
.contact-qr-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 22px; }
.mini-qr { display: grid; grid-template-columns: 74px 1fr; gap: 13px; align-items: center; padding: 12px; border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.05); }
.mini-qr img { width: 74px; height: 74px; object-fit: cover; border-radius: 4px; }
.mini-qr b { display: block; color: #fff; font-size: .86rem; }
.mini-qr span { color: #a9c0cc; font-size: .78rem; }

@media (max-width: 980px) {
  .site-nav {
    position: absolute;
    left: 20px;
    right: 20px;
    top: 68px;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 12px;
    background: #fff;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px; }
  .site-nav a::after { display: none; }
  .nav-cta { text-align: center; }
  .menu-toggle { display: grid; place-items: center; }
  .site-nav { order: 4; }
  .hero-grid, .quality-grid, .contact-grid, .detail-grid, .detail-grid.reverse, .company-intro, .rfq-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 48px; }
  .hero-visual { min-height: 430px; }
  .detail-grid.reverse .detail-photo { order: initial; }
  .capability-grid, .resource-grid { grid-template-columns: 1fr 1fr; }
  .process-grid, .spec-grid { grid-template-columns: 1fr 1fr; }
  .section-head { grid-template-columns: 1fr; gap: 20px; }
}

@media (max-width: 680px) {
  .container, .nav-wrap { width: min(calc(100% - 30px), var(--max)); }
  .brand { font-size: .86rem; }
  .brand small { font-size: .61rem; }
  .language-picker select { max-width: 108px; }
  .hero, .page-hero { padding: 68px 0 58px; }
  .hero-copy p { font-size: 1.02rem; }
  .hero-visual { min-height: 340px; }
  .hero-main-photo { inset: 0 18px 48px 0; }
  .hero-inset { width: 50%; }
  .crosshair { display: none; }
  .section { padding: 76px 0; }
  .capability-grid, .resource-grid, .metric-grid, .download-row { grid-template-columns: 1fr; }
  .capability-card { min-height: 450px; }
  .spec-grid, .process-grid { grid-template-columns: 1fr; }
  .spec-item, .spec-item:last-child { border-right: 0; border-left: 0; border-bottom: 1px solid rgba(255,255,255,.13); }
  .process-step:not(:last-child)::after { display: none; }
  .quality-panel, .experience-band { padding: 30px 24px; }
  .cert-row { grid-template-columns: 1fr; gap: 2px; }
  .equipment-list, .form-grid { grid-template-columns: 1fr; }
  .field.full { grid-column: auto; }
  .contact-form { padding: 25px 20px; }
  .footer-grid { flex-direction: column; }
  .detail-photo { min-height: 320px; }
  .qr-card { grid-template-columns: 96px 1fr; }
  .qr-card img { width: 96px; }
  .qr-pair, .contact-qr-pair { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}