:root {
  --navy: #0a1628;
  --navy-mid: #122240;
  --navy-light: #1a3050;
  --ice: #a8d4f0;
  --ice-dim: rgba(168, 212, 240, 0.65);
  --coral: #e8735a;
  --coral-dim: rgba(232, 115, 90, 0.85);
  --white: #f4f8fc;

  --muted: rgba(168, 212, 240, 0.68);
  --serif: "Playfair Display", Georgia, serif;
  --sans: "DM Sans", system-ui, sans-serif;
  --max: 1240px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --nav-h: 92px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--white);
  background: var(--navy);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--ice); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--coral); }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 500; line-height: 1.15; }

h1, h2, h3, h4 { overflow-wrap: break-word; }
h1 em, h2 em { font-style: italic; color: var(--ice); font-weight: 400; }
p + p { margin-top: 1rem; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 9999;
  background: var(--coral); color: var(--navy); padding: 8px 16px;
}
.skip:focus { left: 0; }

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10, 22, 40, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(168, 212, 240, 0.08);
}
.nav .wrap {
  max-width: var(--max); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 24px; gap: 20px;
  min-height: var(--nav-h);
}

.nav-logo { flex-shrink: 0; display: flex; align-items: center; }
.nav-logo img { height: 72px; width: auto; }
.nav-links {
  display: flex; align-items: center; gap: 0;
  list-style: none; margin: 0; padding: 0;
}
.nav-links > li { position: relative; }
.nav-links > li > a {
  display: block; padding: 10px 14px;
  font-size: .82rem; font-weight: 500; letter-spacing: .04em;
  text-transform: uppercase; color: var(--ice-dim);
}
.nav-links > li > a[aria-current="page"],
.nav-links > li > a:hover { color: var(--white); }
.nav-links .sub {
  display: none; position: absolute; top: 100%; left: 0;
  min-width: 200px; background: var(--navy-mid);
  border: 1px solid rgba(168,212,240,.12);
  padding: 8px 0; z-index: 200;
}

.nav-links li:hover .sub,
.nav-links li:focus-within .sub { display: block; }
.nav-links .sub a {
  display: block; padding: 8px 18px; font-size: .82rem;
  color: var(--ice-dim); text-transform: none; letter-spacing: 0;
}
.nav-links .sub a:hover { color: var(--coral); background: rgba(168,212,240,.04); }
.nav-links .sub-right { right: 0; left: auto; }
.nav-cta { margin-left: 8px; }

.nav-links > li > a.btn {
  display: inline-flex; padding: 11px 22px;
  letter-spacing: .06em; font-weight: 600;
}
.nav-links > li > a.btn-solid,
.nav-links > li > a.btn-solid:hover,
.nav-links > li > a.btn-ice,
.nav-links > li > a.btn-ice:hover { color: var(--navy); }
.nav-links > li > a.btn-line { color: var(--ice); }
.nav-links > li > a.btn-line:hover { color: var(--white); }
.burger {
  display: none; background: none; border: none; cursor: pointer;
  width: 32px; height: 24px; position: relative;
}
.burger span {
  display: block; height: 2px; background: var(--ice);
  margin: 5px 0; transition: .2s;
}
.mnav {
  display: none; position: fixed; inset: 0; top: var(--nav-h);
  background: var(--navy); z-index: 99; padding: 24px;
  padding-bottom: calc(24px + env(safe-area-inset-bottom));
  flex-direction: column; gap: 4px; overflow-y: auto;
  overscroll-behavior: contain;
}
.mnav.open { display: flex; }
.mnav a {
  padding: 14px 0; font-size: 1.05rem; color: var(--ice);
  border-bottom: 1px solid rgba(168,212,240,.08);
}
.mnav a.mnav-cta {
  margin-top: 20px; border-bottom: none; color: var(--navy);
  justify-content: center; font-size: .82rem;
}
.mnav a.mnav-cta:hover { color: var(--navy); }
.mlang { display: flex; gap: 16px; margin-top: 20px; flex-wrap: wrap; }
.mlang a { font-size: .9rem; color: var(--coral); border: none; padding: 8px 4px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
main { padding-top: var(--nav-h); }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; font-family: var(--sans);
  font-size: .82rem; font-weight: 600; letter-spacing: .06em;
  text-transform: uppercase; border: 1.5px solid transparent;
  cursor: pointer; transition: all .25s var(--ease);
}
.btn-solid { background: var(--coral); color: var(--navy); border-color: var(--coral); }
.btn-solid:hover { background: #f0856e; color: var(--navy); }
.btn-line { background: transparent; color: var(--ice); border-color: rgba(168,212,240,.35); }
.btn-line:hover { border-color: var(--ice); color: var(--white); }
.btn-ice { background: var(--ice); color: var(--navy); border-color: var(--ice); }
.btn-ice:hover { background: #c5e4f7; color: var(--navy); }

.label {
  display: inline-block; font-size: .72rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--coral); margin-bottom: 14px;
}

.hero {
  position: relative; min-height: 92vh;
  display: flex; align-items: flex-end;
  overflow: hidden;
}

@supports (min-height: 92dvh) { .hero { min-height: 92dvh; } }
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
}
.hero-bg img {
  width: 100%; height: 100%; object-fit: cover;
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(
    160deg,
    rgba(10,22,40,.55) 0%,
    rgba(10,22,40,.75) 45%,
    rgba(10,22,40,.95) 100%
  );
}
.hero-inner {
  position: relative; z-index: 1;
  width: 100%; padding: 0 24px 80px;
  max-width: var(--max); margin: 0 auto;
}
.hero-kicker {
  font-size: .78rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--coral); margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  max-width: 14ch; margin-bottom: 24px;
}
.hero-lead {
  font-size: 1.08rem; max-width: 520px;
  color: var(--ice-dim); margin-bottom: 36px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 48px; }
.hero-stats {
  display: flex; flex-wrap: wrap; gap: 32px;
  padding-top: 32px; border-top: 1px solid rgba(168,212,240,.12);
}
.hero-stats div strong {
  display: block; font-family: var(--serif);
  font-size: 1.6rem; color: var(--ice); font-weight: 500;
}
.hero-stats div span {
  font-size: .78rem; color: var(--muted);
  letter-spacing: .04em; text-transform: uppercase;
}

.certs {
  background: var(--navy-mid);
  border-top: 1px solid rgba(168,212,240,.06);
  border-bottom: 1px solid rgba(168,212,240,.06);
  padding: 18px 0; overflow: hidden;
}
.certs .wrap {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 28px;
}
.certs span {
  font-size: .72rem; font-weight: 600; letter-spacing: .1em;
  text-transform: uppercase; color: var(--muted);
}
.certs span::before { content: "◆ "; color: var(--coral); font-size: .55rem; }

.rail-sec { padding: 80px 0; background: var(--navy); }
.rail-head { padding: 0 24px; max-width: var(--max); margin: 0 auto 40px; }
.rail-head h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 14px; }
.rail-head p { color: var(--ice-dim); max-width: 560px; }

.rail {
  display: flex; gap: 20px;
  overflow-x: auto; scroll-snap-type: x mandatory;
  padding: 0 24px 20px;
  padding-left: max(24px, calc((100% - var(--max)) / 2 + 24px));
  scroll-padding-left: max(24px, calc((100% - var(--max)) / 2 + 24px));
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--coral) var(--navy-mid);
}
.rail::-webkit-scrollbar { height: 4px; }
.rail::-webkit-scrollbar-thumb { background: var(--coral); border-radius: 2px; }
.rail-card {
  flex: 0 0 min(320px, 78vw); scroll-snap-align: start;
  background: var(--navy-mid);
  border: 1px solid rgba(168,212,240,.08);
  overflow: hidden;
  transition: transform .3s var(--ease), border-color .3s;
}
.rail-card:hover {
  transform: translateY(-4px);
  border-color: rgba(232,115,90,.35);
}
.rail-card figure { aspect-ratio: 4/3; overflow: hidden; }
.rail-card figure img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s var(--ease);
}
.rail-card:hover figure img { transform: scale(1.04); }
.rail-body { padding: 22px 24px 28px; }
.rail-kicker {
  font-size: .72rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--coral); margin-bottom: 8px;
}
.rail-body h3 {
  font-size: 1.35rem; margin-bottom: 10px;
}
.rail-body h3 a { color: inherit; }
.rail-body h3 a:hover { color: var(--coral); }
.rail-body p { font-size: .88rem; color: var(--ice-dim); margin-bottom: 16px; }
.more {
  font-size: .78rem; font-weight: 600; letter-spacing: .06em;
  text-transform: uppercase; color: var(--coral);
}

.sec { padding: 88px 0; }
.sec-frost { background: linear-gradient(180deg, var(--navy-mid) 0%, var(--navy) 100%); }
.asym {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 48px; align-items: center;
}
.asym.reverse { direction: rtl; }
.asym.reverse > * { direction: ltr; }
.asym-narrow { grid-template-columns: 1.1fr .9fr; }
.asym-wide { grid-template-columns: .85fr 1.15fr; }
.asym h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); margin-bottom: 18px; }
.asym p { color: var(--ice-dim); }
.asym figure { position: relative; }
.asym figure img { border-radius: 2px; }
.fig-accent {
  position: absolute; bottom: -16px; right: -16px;
  background: var(--coral); color: var(--navy);
  padding: 16px 20px; font-family: var(--serif);
  font-size: .95rem; max-width: 200px;
}

@media (max-width: 600px) {
  .fig-accent {
    right: 0; bottom: 0; max-width: none;
    padding: 12px 16px; font-size: .88rem;
  }
}
.fig-accent strong { display: block; font-size: 1.4rem; }

.mission-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 32px;
}
.mission-box {
  padding: 24px; border-left: 3px solid var(--coral);
  background: rgba(168,212,240,.04);
}
.mission-box h4 {
  font-size: .95rem; margin-bottom: 8px; color: var(--ice);
}

.phead {
  padding: 56px 0 48px;
  background: linear-gradient(135deg, var(--navy-mid), var(--navy));
  border-bottom: 1px solid rgba(168,212,240,.08);
}
.phead h1 { font-size: clamp(2rem, 4.5vw, 3rem); margin: 12px 0; }
.phead .lead { color: var(--ice-dim); max-width: 640px; font-size: 1.05rem; }
.crumbs {
  font-size: .78rem; color: var(--muted); margin-bottom: 16px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
}
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--ice); }
.crumbs span { opacity: .4; }
.crumbs strong { color: var(--ice); font-weight: 500; }

.pgrid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.pcard {
  background: var(--navy-mid);
  border: 1px solid rgba(168,212,240,.08);
  overflow: hidden;
  transition: border-color .25s;
}
.pcard:hover { border-color: rgba(232,115,90,.3); }
.pcard figure { aspect-ratio: 16/10; overflow: hidden; }
.pcard figure img { width: 100%; height: 100%; object-fit: cover; }
.pcard-body { padding: 22px; }
.pcard-kicker {
  font-size: .72rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--coral); margin-bottom: 6px;
}
.pcard-body h3 { font-size: 1.2rem; margin-bottom: 8px; }
.pcard-body p { font-size: .88rem; color: var(--ice-dim); margin-bottom: 14px; }

.pdetail {
  display: grid; grid-template-columns: 1fr 340px; gap: 48px;
  align-items: start;
}

.pdetail > * { min-width: 0; }
.pdetail img { max-width: 100%; height: auto; }
.pdetail-photo { margin-bottom: 28px; border-radius: 2px; overflow: hidden; }
.pdetail h2 {
  font-size: 1.3rem; margin: 28px 0 14px;
  padding-bottom: 8px; border-bottom: 1px solid rgba(168,212,240,.1);
}
.datarow {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px; margin: 20px 0;
}
.datarow div {
  padding: 16px; background: rgba(168,212,240,.04);
  border-left: 2px solid var(--coral);

  min-width: 0;
}
.datarow strong, .datarow span { overflow-wrap: anywhere; }
.datarow strong { display: block; font-family: var(--serif); font-size: 1.1rem; color: var(--ice); }
.datarow span { font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.uses { display: grid; gap: 16px; margin-bottom: 8px; }
.uses div { padding: 18px; background: var(--navy-mid); border: 1px solid rgba(168,212,240,.06); }
.uses h3 { font-size: .95rem; margin-bottom: 6px; color: var(--ice); }
.uses p { font-size: .88rem; color: var(--ice-dim); margin: 0; }
.specbox {
  position: sticky; top: 96px;
  background: var(--navy-mid);
  border: 1px solid rgba(168,212,240,.1);
  padding: 28px;
}
.specbox h3 { font-size: 1rem; margin-bottom: 16px; color: var(--ice); }
.specbox table { width: 100%; font-size: .85rem; border-collapse: collapse; }
.specbox th, .specbox td {
  padding: 10px 0; border-bottom: 1px solid rgba(168,212,240,.08);
  text-align: left; vertical-align: top;
}
.specbox th { color: var(--muted); font-weight: 500; width: 38%; padding-right: 12px; }
.specbox td { color: var(--white); }
.specbox .btn { width: 100%; justify-content: center; margin-top: 20px; }

.cert-meta { width: 100%; border-collapse: collapse; margin: 14px 0 10px; font-size: .82rem; }
.cert-meta th, .cert-meta td {
  padding: 7px 0; text-align: left; vertical-align: top;
  border-bottom: 1px solid rgba(168,212,240,.08);
}
.cert-meta th { width: 34%; padding-right: 14px; color: var(--muted); font-weight: 500; font-family: var(--sans); }
.cert-meta td { color: var(--ice-dim); overflow-wrap: anywhere; }
.cert-pdf {
  display: inline-block; margin-top: 6px; padding: 6px 0;
  font-size: .78rem; font-weight: 600; letter-spacing: .04em;
  text-transform: uppercase; color: var(--coral);
}
.cert-pdf:hover { color: var(--ice); }
@media (max-width: 600px) {
  .cert-meta, .cert-meta tbody, .cert-meta tr, .cert-meta th, .cert-meta td { display: block; width: auto; }
  .cert-meta th { border-bottom: none; padding-bottom: 2px; }
  .cert-meta td { padding-top: 0; padding-bottom: 10px; }
}

.faq details {
  border-bottom: 1px solid rgba(168,212,240,.08);
  padding: 16px 0;
}
.faq summary {
  cursor: pointer; font-weight: 500; color: var(--ice);
  list-style: none; display: flex; justify-content: space-between; align-items: center;
}
.faq summary::after { content: "+"; color: var(--coral); font-size: 1.2rem; }
.faq details[open] summary::after { content: "−"; }
.faq p { margin-top: 12px; font-size: .9rem; color: var(--ice-dim); }

.depth-table { width: 100%; border-collapse: collapse; margin-bottom: 10px; font-size: .9rem; }
.depth-table th, .depth-table td {
  padding: 12px 0; text-align: left; vertical-align: top;
  border-bottom: 1px solid rgba(168,212,240,.1);
}
.depth-table th {
  width: 30%; padding-right: 18px; color: var(--ice);
  font-family: var(--sans); font-weight: 600; font-size: .85rem;
}
.depth-table td { color: var(--ice-dim); line-height: 1.65; }
@media (max-width: 600px) {
  .depth-table, .depth-table tbody, .depth-table tr,
  .depth-table th, .depth-table td { display: block; width: auto; }
  .depth-table th { border-bottom: none; padding-bottom: 2px; }
  .depth-table td { padding-top: 0; padding-bottom: 14px; }
}

.timeline { display: grid; gap: 0; }
.tstep {
  display: grid; grid-template-columns: 80px 1fr 280px;
  gap: 32px; align-items: center;
  padding: 40px 0;
  border-bottom: 1px solid rgba(168,212,240,.06);
}
.tstep-num {
  font-family: var(--serif); font-size: 2.4rem;
  color: var(--coral); opacity: .7; line-height: 1;
}
.tstep h3 { font-size: 1.15rem; margin-bottom: 8px; color: var(--ice); }
.tstep p { font-size: .88rem; color: var(--ice-dim); margin: 0; }
.tstep figure { border-radius: 2px; overflow: hidden; }
.tstep:nth-child(even) { grid-template-columns: 280px 1fr 80px; }
.tstep:nth-child(even) .tstep-num { order: 3; text-align: right; }
.tstep:nth-child(even) figure { order: 1; }
.tstep:nth-child(even) .tstep-text { order: 2; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feat {
  padding: 32px 28px; background: var(--navy-mid);
  border-top: 3px solid var(--coral);
}
.feat h3 { font-size: 1.05rem; margin-bottom: 10px; color: var(--ice); }
.feat p { font-size: .88rem; color: var(--ice-dim); margin: 0; }
.fleet-gallery {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 48px;
}
.fleet-gallery img { aspect-ratio: 16/10; object-fit: cover; width: 100%; border-radius: 2px; }

.commit-list { display: grid; gap: 12px; }
.commit-list li {
  padding: 16px 20px 16px 28px;
  background: rgba(168,212,240,.03);
  border-left: 2px solid var(--coral);
  font-size: .92rem; color: var(--ice-dim);
  list-style: none; position: relative;
}
.quality-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
}
.quality-grid img { aspect-ratio: 1; object-fit: cover; border-radius: 2px; }

.cert-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.cert-card {
  padding: 32px; background: var(--navy-mid);
  border: 1px solid rgba(168,212,240,.08);
  transition: border-color .25s;
}
.cert-card:hover { border-color: rgba(232,115,90,.3); }
.cert-card h3 {
  font-size: 1.05rem; margin-bottom: 12px; color: var(--ice);
  display: flex; align-items: center; gap: 10px;
}
.cert-card h3::before {
  content: ""; width: 8px; height: 8px;
  background: var(--coral); border-radius: 50%; flex-shrink: 0;
}
.cert-card p { font-size: .88rem; color: var(--ice-dim); margin: 0; }

.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
}
.cdetail { margin-bottom: 20px; }
.cdetail strong {
  display: block; font-size: .72rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--coral); margin-bottom: 4px;
}
.cdetail span, .cdetail a { font-size: .95rem; color: var(--ice-dim); }
.quote {
  background: var(--navy-mid); border: 1px solid rgba(168,212,240,.1);
  padding: 32px;
}
.quote h3 { font-size: 1.1rem; margin-bottom: 20px; color: var(--ice); }
.frow { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.fgroup { margin-bottom: 16px; }
.fgroup label {
  display: block; font-size: .72rem; letter-spacing: .06em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 6px;
}
.fgroup input, .fgroup select, .fgroup textarea {
  width: 100%; padding: 11px 14px;
  background: var(--navy); border: 1px solid rgba(168,212,240,.15);
  color: var(--white); font-family: var(--sans); font-size: .9rem;
  border-radius: 0; outline: none;
  transition: border-color .2s;
}
.fgroup input:focus, .fgroup select:focus, .fgroup textarea:focus {
  border-color: var(--coral);
}
.fgroup textarea { min-height: 110px; resize: vertical; }

.cta {
  padding: 72px 0;
  background: linear-gradient(135deg, var(--navy-light), var(--navy-mid));
  border-top: 1px solid rgba(168,212,240,.08);
}
.cta .wrap {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: 24px;
}
.cta h2 { font-size: clamp(1.5rem, 3vw, 2rem); max-width: 520px; }
.cta p { color: var(--ice-dim); max-width: 440px; margin-top: 8px; }

footer {
  background: var(--navy);
  border-top: 1px solid rgba(168,212,240,.08);
  padding: 56px 0 28px;
}
.foot-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px; margin-bottom: 40px;
}
.foot-brand img { height: 88px; width: auto; margin-bottom: 18px; }
.foot-brand p { font-size: .85rem; color: var(--muted); max-width: 280px; }
.foot-grid h4 {
  font-family: var(--sans); font-size: .72rem; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--coral); margin-bottom: 14px;
}
.foot-grid a {
  display: block; font-size: .85rem; color: var(--muted);
  padding: 4px 0;
}
.foot-grid a:hover { color: var(--ice); }
.foot-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  padding-top: 24px; border-top: 1px solid rgba(168,212,240,.06);
  font-size: .78rem; color: var(--muted);
}
.foot-bottom a { color: var(--muted); margin-left: 16px; }
.foot-bottom a:hover { color: var(--ice); }

@media (max-width: 1060px) {
  .nav-links { display: none; }
  .burger { display: block; }
}

@media (min-width: 1061px) and (max-width: 1180px) {
  .nav-links > li > a { padding: 10px 10px; font-size: .78rem; letter-spacing: .02em; }
  .nav-links > li > a.btn { padding: 10px 16px; }
  .nav .wrap { gap: 12px; }
  .nav-logo img { height: 38px; }
}

@media (max-width: 960px) {
  .asym, .asym-narrow, .asym-wide { grid-template-columns: 1fr; }
  .asym.reverse { direction: ltr; }
  .pdetail { grid-template-columns: 1fr; }
  .specbox { position: static; }
  .tstep, .tstep:nth-child(even) {
    grid-template-columns: 60px 1fr; gap: 20px;
  }
  .tstep figure, .tstep:nth-child(even) figure { display: none; }
  .tstep-num, .tstep:nth-child(even) .tstep-num { order: 0; text-align: left; }
  .features { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .fleet-gallery { grid-template-columns: 1fr 1fr; }
  .mission-grid { grid-template-columns: 1fr; }
  .sec { padding: 64px 0; }
  .rail-sec { padding: 64px 0; }
  .cta { padding: 56px 0; }
}
@media (max-width: 600px) {

  :root { --nav-h: 74px; }
  .nav-logo img { height: 56px; }
  .foot-brand img { height: 72px; }
  .hero { min-height: 85vh; }
  .hero-inner { padding-bottom: 48px; }
  .hero-stats { gap: 20px 28px; }
  .frow { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .fleet-gallery { grid-template-columns: 1fr; }
  .quality-grid { grid-template-columns: 1fr; }
  .datarow { grid-template-columns: 1fr 1fr; }
  .sec, .rail-sec { padding: 48px 0; }
  .phead { padding: 40px 0 36px; }
  .cta { padding: 48px 0; }
  .specbox, .quote { padding: 24px 20px; }

  .tstep, .tstep:nth-child(even) { grid-template-columns: 44px 1fr; gap: 14px; padding: 28px 0; }
  .tstep-num { font-size: 1.8rem; }
}
@supports (min-height: 85dvh) {
  @media (max-width: 600px) { .hero { min-height: 85dvh; } }
}

.ins-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.ins-card {
  display: flex; flex-direction: column;
  padding: 24px;
  background: var(--navy-mid);
  border: 1px solid rgba(168, 212, 240, .12);
  color: var(--white);
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}
.ins-card:hover { border-color: rgba(232, 115, 90, .35); transform: translateY(-2px); color: var(--white); }
.ins-card h3 { font-size: 1.12rem; margin: 8px 0 10px; line-height: 1.25; }
.ins-card p { flex: 1; font-size: .88rem; color: var(--ice-dim); margin-bottom: 14px; }
.ins-kicker {
  font-family: var(--sans); font-size: .68rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase; color: var(--coral);
}
.ins-meta { font-size: .78rem; color: var(--muted); }

.ins-body { max-width: 68ch; }
.ins-body > p { color: var(--ice-dim); line-height: 1.8; margin-bottom: 1.1rem; }
.ins-body .ins-lede { font-size: 1.08rem; color: var(--white); line-height: 1.7; margin-bottom: 1.6rem; }
.ins-body h2.ins-h { font-size: 1.35rem; margin: 2.4rem 0 1rem; }
.ins-body ul, .ins-body ol { margin: 0 0 1.2rem 1.3rem; color: var(--ice-dim); }
.ins-body li { margin-bottom: .5rem; line-height: 1.75; }
.ins-body strong { color: var(--white); }
.ins-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .88em; background: rgba(168, 212, 240, .1); padding: 1px 5px;
}

.ins-table {
  width: 100%; border-collapse: collapse; margin: 0 0 1.4rem;
  font-size: .88rem; color: var(--ice-dim);
}
.ins-table th, .ins-table td {
  padding: 11px 13px; text-align: left; vertical-align: top;
  border-bottom: 1px solid rgba(168, 212, 240, .12);
}
.ins-table thead th {
  font-family: var(--sans); font-size: .72rem; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase; color: var(--white);
  border-bottom-color: rgba(168, 212, 240, .28);
}
.ins-table tbody td:first-child { color: var(--white); }

.ins-callout {
  padding: 18px 22px; margin: 1.6rem 0;
  background: var(--navy-mid);
  border-left: 3px solid var(--coral);
  font-size: .92rem; line-height: 1.75; color: var(--ice-dim);
}
.ins-callout strong { color: var(--white); }

.ins-prod-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 12px; margin-bottom: 1.6rem;
}
.ins-prod {
  display: block; padding: 14px 16px;
  background: var(--navy-mid); border: 1px solid rgba(168, 212, 240, .12);
  font-weight: 500; font-size: .9rem; color: var(--white);
}
.ins-prod:hover { border-color: rgba(232, 115, 90, .35); color: var(--coral); }

.ins-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin-bottom: 1.4rem; }
.ins-table-wrap .ins-table { margin-bottom: 0; min-width: 520px; }
@media (max-width: 600px) {
  .ins-body h2.ins-h { font-size: 1.2rem; }
  .ins-table { font-size: .84rem; }
  .ins-table th, .ins-table td { padding: 9px 11px; }
}