:root {
  --navy: #0f2a43;
  --navy-2: #163a5a;
  --steel: #1d4e74;
  --accent: #19b3bf;
  --accent-dark: #0a6f78;
  --ink: #1b2733;
  --muted: #4f5d6b;
  --line: #d9e1e8;
  --bg: #ffffff;
  --bg-alt: #f2f5f8;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(15, 42, 67, 0.08);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.2; margin: 0 0 0.6em; color: var(--navy); }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.25rem); letter-spacing: -0.01em; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }

a { color: var(--accent-dark); text-underline-offset: 3px; }
a:hover { color: var(--navy); }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.container { width: min(1160px, 100% - 2.5rem); margin-inline: auto; }
.narrow { width: min(820px, 100% - 2.5rem); }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem; top: -100px;
  z-index: 100;
  background: var(--navy);
  color: #fff;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-weight: 600;
}
.skip-link:focus { top: 1rem; color: #fff; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 1rem;
}
.brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1.1;
}
.brand-mark {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--navy);
  text-transform: uppercase;
}
.brand-mark::first-letter { color: var(--accent-dark); }
.brand-sub {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.site-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
}
.site-nav a {
  display: inline-block;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
}
.site-nav a:hover { background: var(--bg-alt); color: var(--navy); }
.site-nav a.nav-cta { background: var(--navy); color: #fff; }
.site-nav a.nav-cta:hover { background: var(--steel); color: #fff; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  position: relative;
}
.nav-toggle-bar,
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  position: absolute;
  left: 50%;
  width: 20px; height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle-bar { top: 50%; margin-top: -1px; }
.nav-toggle-bar::before, .nav-toggle-bar::after { content: ""; }
.nav-toggle-bar::before { top: -6px; }
.nav-toggle-bar::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before { transform: translateX(-50%) translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after { transform: translateX(-50%) translateY(-6px) rotate(-45deg); }

@media (max-width: 760px) {
  .js .nav-toggle { display: block; }
  .js .site-nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    display: none;
  }
  .js .site-nav.is-open { display: block; }
  .js .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 1.25rem 1.25rem;
  }
  .js .site-nav a { display: block; padding: 0.8rem 1rem; }
  .site-nav ul { gap: 0.25rem; }
  .site-nav a { padding: 0.45rem 0.6rem; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid transparent;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--navy); }
.btn-primary:hover { background: #fff; color: var(--navy); border-color: var(--accent); }
.section .btn-primary { background: var(--navy); color: #fff; }
.section .btn-primary:hover { background: var(--steel); color: #fff; border-color: var(--steel); }
.btn-ghost { border-color: rgba(255, 255, 255, 0.6); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.12); color: #fff; border-color: #fff; }

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  color: #e8f0f7;
  background:
    radial-gradient(1000px 500px at 85% -10%, rgba(25, 179, 191, 0.28), transparent 60%),
    linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 55%, var(--steel) 100%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3rem;
  padding: clamp(3.5rem, 9vw, 7rem) 0;
}
.hero h1 { color: #fff; }
.lead { font-size: 1.15rem; max-width: 38em; color: #d3e0ec; }
.eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow-dark { color: var(--accent-dark); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 1.75rem; }

/* CSS glovebox illustration */
.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.box {
  width: min(380px, 100%);
  aspect-ratio: 4 / 3;
  border-radius: 22px;
  background: linear-gradient(160deg, #dfe8f0 0%, #b8c8d6 100%);
  padding: 18px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.35), inset 0 -6px 0 rgba(15, 42, 67, 0.15);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.box-window {
  position: relative;
  flex: 1;
  border-radius: 12px;
  background: linear-gradient(160deg, rgba(25, 179, 191, 0.55), rgba(15, 42, 67, 0.85));
  border: 3px solid #8fa4b7;
  overflow: hidden;
}
.box-shine {
  position: absolute;
  top: -40%; left: -30%;
  width: 45%; height: 180%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.28), transparent);
  transform: rotate(25deg);
}
.box-ports {
  display: flex;
  justify-content: center;
  gap: 22%;
  margin-top: -54px;
  position: relative;
}
.port {
  width: 70px; height: 70px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, #0b1f31 0 52%, #46607a 53% 62%, #c9d6e1 63% 100%);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}
.box-stand {
  width: min(300px, 80%);
  height: 14px;
  margin-top: 10px;
  border-radius: 0 0 10px 10px;
  background: linear-gradient(#8fa4b7, #5f7890);
}

/* Sections */
.section { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 680px; margin-bottom: 2.5rem; }
.section-head p:last-child { color: var(--muted); }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--accent);
}
.card p { color: var(--muted); margin: 0; }

.card-icon {
  width: 56px; height: 44px;
  margin-bottom: 1.25rem;
  border-radius: 8px;
  position: relative;
  background: linear-gradient(160deg, #e3f5f7, #c6e6ea);
  border: 2px solid var(--accent-dark);
}
.icon-glovebox span {
  position: absolute;
  bottom: 6px;
  width: 12px; height: 12px;
  border-radius: 50%;
  border: 2px solid var(--navy);
  background: #fff;
}
.icon-glovebox span:first-child { left: 10px; }
.icon-glovebox span:last-child { right: 10px; }
.icon-isolator span {
  position: absolute;
  inset: 8px 16px;
  border-radius: 4px;
  border: 2px dashed var(--navy);
}
.icon-machine { display: flex; align-items: flex-end; justify-content: center; gap: 5px; padding-bottom: 6px; }
.icon-machine span { width: 8px; background: var(--navy); border-radius: 2px; }
.icon-machine span:nth-child(1) { height: 14px; }
.icon-machine span:nth-child(2) { height: 24px; }
.icon-machine span:nth-child(3) { height: 18px; }

.steps {
  list-style: none;
  margin: 3rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.steps li {
  padding: 1.5rem;
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--navy), var(--steel));
  color: #d3e0ec;
}
.steps h3 { color: #fff; margin-bottom: 0.4em; }
.steps p { margin: 0; font-size: 0.98rem; }
.step-no {
  display: block;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

/* About */
.about {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: start;
}
.about-text p { color: var(--muted); }
.facts {
  margin: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 0.5rem 1.5rem;
}
.facts div {
  display: grid;
  grid-template-columns: 9.5rem 1fr;
  gap: 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
}
.facts div:last-child { border-bottom: 0; }
.facts dt { font-weight: 700; color: var(--navy); }
.facts dd { margin: 0; color: var(--ink); }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem;
  background: #fff;
  box-shadow: var(--shadow);
}
.contact-card address {
  font-style: normal;
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}
.contact-card .small { margin: 1rem 0 0; }
.contact-card-dark {
  background: linear-gradient(160deg, var(--navy), var(--steel));
  color: #d3e0ec;
  border-color: transparent;
  display: flex;
  flex-direction: column;
}
.contact-card-dark h3 { color: #fff; }
.map-art {
  position: relative;
  flex: 1;
  min-height: 160px;
  margin-top: 0.5rem;
  border-radius: 10px;
  overflow: hidden;
  background:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px) 0 0 / 28px 28px,
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px) 0 0 / 28px 28px,
    rgba(255, 255, 255, 0.05);
}
.road { position: absolute; background: rgba(255, 255, 255, 0.35); border-radius: 4px; }
.road-a { left: -10%; right: -10%; top: 55%; height: 8px; transform: rotate(-8deg); }
.road-b { top: -10%; bottom: -10%; left: 58%; width: 8px; transform: rotate(12deg); }
.pin {
  position: absolute;
  left: calc(58% - 12px);
  top: calc(52% - 34px);
  width: 30px; height: 30px;
  background: var(--accent);
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.35);
}
.pin::after {
  content: "";
  position: absolute;
  inset: 9px;
  border-radius: 50%;
  background: var(--navy);
}

.small { font-size: 0.9rem; color: var(--muted); }
.contact-card-dark .small { color: #c3d3e2; }

/* Legal */
.legal h2 { margin-bottom: 1em; }
.legal h3 { margin-top: 1.75em; font-size: 1.05rem; }
.legal p { color: var(--ink); }

/* Footer */
.site-footer {
  background: var(--navy);
  color: #c3d3e2;
  padding: 2.5rem 0 1.5rem;
  font-size: 0.95rem;
}
.site-footer p { margin: 0; }
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.25rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}
.footer-brand { color: #fff; font-weight: 700; font-size: 1.05rem; }
.footer-nav { display: flex; gap: 1.5rem; }
.footer-nav a { color: #fff; font-weight: 600; }
.footer-nav a:hover { color: var(--accent); }
.footer-legal { padding-top: 1.25rem; font-size: 0.85rem; color: #a9bccf; }

/* Responsive */
@media (max-width: 1000px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-visual { max-width: 340px; margin-inline: auto; width: 100%; }
  .cards { grid-template-columns: 1fr; }
  .about { grid-template-columns: 1fr; gap: 2rem; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  body { font-size: 1rem; }
  .steps { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .port { width: 54px; height: 54px; }
  .box-ports { margin-top: -44px; }
  .facts div { grid-template-columns: 1fr; gap: 0.15rem; }
  .contact-card { padding: 1.5rem; }
  .brand-mark { font-size: 1.1rem; }
  .brand-sub { font-size: 0.7rem; }
}