:root {
  --ink: #182022;
  --muted: #657174;
  --line: #dfe7e4;
  --paper: #f7f8f4;
  --white: #ffffff;
  --green: #0f7c66;
  --green-dark: #075747;
  --orange: #e97728;
  --steel: #253238;
  --shadow: 0 20px 60px rgba(18, 32, 34, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 56px);
  color: var(--white);
  transition: background 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 12px 36px rgba(18, 32, 34, 0.12);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 188px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--white);
  background: var(--green);
  border: 2px solid rgba(255, 255, 255, 0.55);
  font-weight: 800;
  letter-spacing: 0;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.1;
}

.brand small {
  color: currentColor;
  opacity: 0.72;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.08em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 34px);
  font-size: 14px;
  font-weight: 700;
}

.site-nav a {
  opacity: 0.86;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--orange);
  opacity: 1;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: transparent;
  padding: 0;
}

.site-header.is-scrolled .nav-toggle,
.site-header.is-open .nav-toggle {
  border-color: var(--line);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 6px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 88vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background: var(--steel);
}

.hero-bg,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-bg {
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(12, 20, 21, 0.82) 0%, rgba(12, 20, 21, 0.54) 45%, rgba(12, 20, 21, 0.15) 100%),
    linear-gradient(0deg, rgba(12, 20, 21, 0.56) 0%, rgba(12, 20, 21, 0) 42%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(920px, calc(100% - 40px));
  margin: 0 auto;
  padding-top: 78px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--orange);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(46px, 9vw, 104px);
  line-height: 0.92;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 5vw, 58px);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  font-size: 19px;
  line-height: 1.2;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 660px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(18px, 2vw, 24px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  font-weight: 800;
}

.button.primary {
  border-color: var(--orange);
  background: var(--orange);
  color: #1d130b;
}

.button.ghost {
  color: var(--white);
}

.hero-facts {
  position: relative;
  z-index: 3;
  align-self: end;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: min(1120px, calc(100% - 40px));
  margin: 32px auto 30px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(12, 20, 21, 0.48);
  backdrop-filter: blur(12px);
}

.hero-facts div {
  padding: 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
}

.hero-facts div:last-child {
  border-right: 0;
}

.hero-facts strong {
  display: block;
  margin-bottom: 8px;
  color: var(--orange);
  font-size: 26px;
  line-height: 1;
}

.hero-facts span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
}

.section,
.section-band,
.contact-section {
  padding: clamp(70px, 9vw, 120px) 0;
}

.section-inner {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.section-band {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.intro-grid,
.split,
.trust-layout,
.standards-grid,
.fleet-grid,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(30px, 6vw, 72px);
  align-items: start;
}

.intro p,
.copy-block p,
.source-note {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.section-head {
  max-width: 820px;
  margin-bottom: 36px;
}

.epc-grid,
.directions-grid,
.work-grid {
  display: grid;
  gap: 18px;
}

.epc-grid {
  grid-template-columns: repeat(3, 1fr);
}

.epc-grid article,
.directions-grid article,
.work-item {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 8px 28px rgba(18, 32, 34, 0.06);
}

.epc-grid article {
  min-height: 244px;
  padding: 26px;
}

.epc-grid span {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 26px;
  background: var(--green);
  color: var(--white);
  font-weight: 900;
  font-size: 22px;
}

.epc-grid p,
.directions-grid p,
.work-item p,
.trust-list p,
.fleet-panel li,
.standards-list li {
  margin: 0;
  color: var(--muted);
}

.section-muted {
  background: #eef3ef;
}

.directions-grid {
  grid-template-columns: repeat(4, 1fr);
}

.directions-grid article {
  min-height: 210px;
  padding: 24px;
  border-top: 5px solid var(--green);
}

.trust-section {
  background: var(--white);
}

.image-stack {
  display: grid;
  grid-template-columns: 0.85fr 1fr;
  gap: 16px;
  align-items: end;
}

.image-stack img {
  width: 100%;
  height: clamp(360px, 46vw, 620px);
  object-fit: cover;
  box-shadow: var(--shadow);
}

.image-stack img:first-child {
  height: clamp(430px, 52vw, 700px);
}

.trust-list {
  display: grid;
  gap: 18px;
  margin-top: 34px;
}

.trust-list article {
  padding: 0 0 18px;
  border-bottom: 1px solid var(--line);
}

.section-dark {
  color: var(--white);
  background: var(--steel);
}

.section-dark .section-kicker {
  color: #f59b54;
}

.standards-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.standards-list li {
  min-height: 96px;
  padding: 22px;
  color: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
}

.work-grid {
  grid-template-columns: repeat(4, 1fr);
}

.work-item {
  overflow: hidden;
}

.work-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.work-item div {
  padding: 20px;
}

.fleet-grid {
  align-items: center;
}

.fleet-panel {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.fleet-panel img {
  width: 220px;
  aspect-ratio: 1;
  object-fit: contain;
  background: #101617;
}

.fleet-panel ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.fleet-panel li {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-weight: 700;
}

.contact-section {
  color: var(--white);
  background: var(--green-dark);
}

.contact-section .section-kicker,
.contact-section .source-note {
  color: rgba(255, 255, 255, 0.72);
}

.contact-actions {
  display: grid;
  gap: 12px;
}

.contact-actions a {
  display: flex;
  align-items: center;
  min-height: 58px;
  padding: 0 20px;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: clamp(18px, 2.3vw, 28px);
  font-weight: 800;
}

.contact-actions a:hover {
  background: var(--orange);
  color: #1d130b;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(20px, 4vw, 56px);
  color: rgba(255, 255, 255, 0.66);
  background: #101617;
  font-size: 14px;
}

@media (max-width: 980px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 78px;
    left: 20px;
    right: 20px;
    display: grid;
    gap: 0;
    padding: 10px;
    color: var(--ink);
    background: var(--white);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform 180ms ease, opacity 180ms ease;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav a {
    padding: 14px;
  }

  .intro-grid,
  .split,
  .trust-layout,
  .standards-grid,
  .fleet-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .epc-grid,
  .directions-grid,
  .work-grid,
  .standards-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 680px) {
  .site-header {
    padding: 14px 18px;
  }

  .brand {
    min-width: auto;
  }

  .brand small {
    display: none;
  }

  .hero {
    min-height: 820px;
    align-items: start;
  }

  .hero-content {
    width: calc(100% - 32px);
    padding-top: 142px;
  }

  .hero-facts {
    grid-template-columns: 1fr;
    width: calc(100% - 32px);
    margin-bottom: 18px;
  }

  .hero-facts div {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  }

  .hero-facts div:last-child {
    border-bottom: 0;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .epc-grid,
  .directions-grid,
  .work-grid,
  .standards-list,
  .image-stack,
  .fleet-panel {
    grid-template-columns: 1fr;
  }

  .image-stack img,
  .image-stack img:first-child {
    height: auto;
    max-height: none;
  }

  .fleet-panel img {
    width: 100%;
    max-height: 280px;
  }

  .site-footer {
    flex-direction: column;
  }
}