:root {
  --red: #d71920;
  --red-dark: #9c1118;
  --ink: #111418;
  --steel: #2f3741;
  --ash: #68727d;
  --line: #dce1e6;
  --paper: #f3f5f7;
  --white: #ffffff;
  --max: 1220px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

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

.utility-bar {
  color: var(--white);
  background: var(--ink);
  font-size: 12px;
  font-weight: 800;
}

.utility-bar div {
  display: flex;
  justify-content: flex-end;
  gap: 22px;
  width: min(100% - 48px, var(--max));
  margin: 0 auto;
  padding: 9px 0;
}

.utility-bar a:hover,
.utility-bar a:focus-visible {
  color: #ff7077;
  outline: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(300px, 380px) 1fr auto;
  gap: 26px;
  align-items: center;
  width: min(100% - 48px, var(--max));
  margin: 0 auto;
  padding: 10px 0;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: block;
  width: min(365px, 100%);
}

.brand img {
  width: 100%;
  height: auto;
}

.primary-nav {
  display: flex;
  justify-content: center;
  gap: 4px;
  color: var(--steel);
  font-size: 13px;
  font-weight: 900;
}

.primary-nav a {
  padding: 10px 11px;
  border-bottom: 3px solid transparent;
}

.primary-nav a:hover,
.primary-nav a:focus-visible {
  color: var(--red-dark);
  border-color: var(--red);
  outline: none;
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 900;
}

.header-cta,
.button-primary {
  color: var(--white);
  background: var(--red);
  border: 1px solid var(--red);
}

.header-cta:hover,
.header-cta:focus-visible,
.button-primary:hover,
.button-primary:focus-visible {
  background: var(--red-dark);
  border-color: var(--red-dark);
  outline: none;
}

.button-secondary {
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  color: var(--red-dark);
  border-color: var(--red);
  outline: none;
}

.hero-slider {
  position: relative;
  min-height: clamp(680px, calc(100vh - 120px), 860px);
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.slider-progress {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 8;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, .18);
}

.slider-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left center;
}

@keyframes slideProgress {
  from {
    transform: scaleX(0);
  }

  to {
    transform: scaleX(1);
  }
}

.slides {
  position: relative;
  min-height: clamp(680px, calc(100vh - 120px), 860px);
}

.slide {
  position: absolute;
  inset: 0;
  display: grid;
  align-items: start;
  min-height: clamp(680px, calc(100vh - 120px), 860px);
  transform: translateX(100%);
  transition: transform .72s cubic-bezier(.22, .61, .36, 1);
  isolation: isolate;
}

.slide.is-active {
  transform: translateX(0);
}

.slide img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slide-overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(8, 9, 11, .92) 0%, rgba(8, 9, 11, .76) 38%, rgba(8, 9, 11, .28) 72%, rgba(8, 9, 11, .1) 100%),
    linear-gradient(180deg, rgba(8, 9, 11, .28), rgba(8, 9, 11, .72));
}

.slide-content {
  width: min(100% - 48px, var(--max));
  margin: 0 auto;
  padding: clamp(64px, 8vh, 92px) 0 150px;
}

.eyebrow,
.section-label {
  margin: 0 0 16px;
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 24px;
  font-size: clamp(46px, 6.4vw, 82px);
  line-height: .95;
  letter-spacing: 0;
}

.slide-content h2 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(42px, 5.8vw, 76px);
  line-height: .96;
  letter-spacing: 0;
}

.slide-content p:not(.eyebrow) {
  max-width: 660px;
  margin-bottom: 32px;
  color: rgba(255, 255, 255, .82);
  font-size: clamp(17px, 1.6vw, 20px);
}

.slider-controls {
  position: absolute;
  left: 50%;
  bottom: 32px;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: min(100% - 48px, var(--max));
  transform: translateX(-50%);
}

.slider-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 72px;
  min-height: 42px;
  color: var(--white);
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .36);
  font: inherit;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
}

.slider-arrow:hover,
.slider-arrow:focus-visible {
  background: var(--red);
  border-color: var(--red);
  outline: none;
}

.slider-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
}

.slider-dots button {
  width: 38px;
  height: 4px;
  padding: 0;
  background: rgba(255, 255, 255, .38);
  border: 0;
  cursor: pointer;
}

.slider-dots button.is-active {
  background: var(--red);
}

.quick-links span,
.service-grid span,
.technical-board span,
.operations-main span,
.operations-list span {
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.quick-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(100% - 48px, var(--max));
  margin: 0 auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.quick-links a {
  min-height: 190px;
  padding: 26px;
  border-right: 1px solid var(--line);
  background: var(--white);
}

.quick-links a:last-child {
  border-right: 0;
}

.quick-links a:hover,
.quick-links a:focus-visible {
  background: var(--paper);
  outline: none;
}

.quick-links span {
  display: block;
  margin-bottom: 50px;
}

.quick-links strong {
  display: block;
  font-size: 21px;
  line-height: 1.14;
}

.services,
.operations,
.standards,
.contact,
.site-footer {
  width: min(100% - 48px, var(--max));
  margin: 0 auto;
}

.services {
  padding: clamp(72px, 9vw, 122px) 0;
}

.section-intro {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: clamp(28px, 5vw, 82px);
  margin-bottom: 40px;
}

.section-intro h2,
.technical h2,
.standards h2,
.contact h2 {
  margin-bottom: 0;
  font-size: clamp(34px, 4.7vw, 60px);
  line-height: 1.02;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.service-grid article {
  min-height: 330px;
  padding: 26px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.service-grid span {
  display: block;
  margin-bottom: 66px;
}

.service-grid h3 {
  margin-bottom: 14px;
  font-size: 24px;
  line-height: 1.1;
}

.service-grid p {
  margin-bottom: 0;
  color: var(--ash);
}

.technical {
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(380px, .72fr);
  gap: clamp(34px, 7vw, 100px);
  padding: clamp(72px, 9vw, 122px) max(24px, calc((100vw - var(--max)) / 2));
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(17, 20, 24, .98), rgba(47, 55, 65, .92)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .06) 0 1px, transparent 1px 82px);
}

.technical .section-label,
.technical-board span {
  color: #ff7279;
}

.technical-copy p:last-child {
  max-width: 680px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, .72);
  font-size: 18px;
}

.technical-board {
  display: grid;
  border-top: 1px solid rgba(255, 255, 255, .22);
}

.technical-board article {
  padding: 24px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .22);
}

.technical-board span {
  display: block;
  margin-bottom: 16px;
}

.technical-board strong {
  display: block;
  font-size: 24px;
  line-height: 1.16;
}

.operations {
  padding: clamp(72px, 9vw, 122px) 0;
}

.operations-layout {
  display: grid;
  grid-template-columns: minmax(0, .94fr) minmax(340px, .58fr);
  gap: 24px;
}

.operations-main {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(280px, .58fr);
  border: 1px solid var(--line);
  background: var(--paper);
}

.operations-main img {
  width: 100%;
  height: 100%;
  min-height: 430px;
  object-fit: cover;
}

.operations-main div {
  padding: 30px;
  align-self: end;
}

.operations-main span {
  display: block;
  margin-bottom: 46px;
}

.operations-main h3 {
  margin-bottom: 16px;
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.02;
}

.operations-main p {
  margin-bottom: 0;
  color: var(--ash);
  font-size: 18px;
}

.operations-list {
  display: grid;
  border-top: 1px solid var(--line);
}

.operations-list article {
  min-height: 154px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.operations-list span {
  display: block;
  margin-bottom: 26px;
}

.operations-list strong {
  display: block;
  font-size: 23px;
  line-height: 1.12;
}

.standards {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(380px, .72fr);
  gap: clamp(34px, 6vw, 92px);
  padding: clamp(72px, 9vw, 122px) 0;
  border-top: 1px solid var(--line);
}

.standards-list {
  border-top: 1px solid var(--ink);
}

.standards-list div {
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.standards-list strong {
  display: block;
  margin-bottom: 8px;
  font-size: 22px;
}

.standards-list p {
  margin-bottom: 0;
  color: var(--ash);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(360px, .7fr);
  gap: clamp(34px, 6vw, 84px);
  padding: clamp(72px, 9vw, 122px) 0;
  border-top: 1px solid var(--line);
}

.contact p {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--ash);
  font-size: 19px;
}

address {
  display: grid;
  align-self: start;
  margin: 0;
  border-top: 1px solid var(--ink);
  font-style: normal;
}

address a {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  color: var(--steel);
  font-size: 18px;
  font-weight: 900;
}

address a:hover,
address a:focus-visible {
  color: var(--red-dark);
  outline: none;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 30px 0 44px;
  color: var(--ash);
  border-top: 1px solid var(--line);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .1em;
  text-transform: uppercase;
}

@media (max-width: 1040px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .primary-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .section-intro,
  .technical,
  .operations-layout,
  .operations-main,
  .standards,
  .contact {
    grid-template-columns: 1fr;
  }

  .quick-links,
  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .quick-links a:nth-child(2) {
    border-right: 0;
  }
}

@media (max-width: 680px) {
  .utility-bar div,
  .site-header,
  .slide-content,
  .quick-links,
  .services,
  .operations,
  .standards,
  .contact,
  .site-footer {
    width: min(100% - 30px, var(--max));
  }

  .utility-bar div {
    display: grid;
    justify-content: start;
    gap: 6px;
  }

  .site-header {
    position: static;
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 14px 0;
  }

  .brand {
    width: min(350px, 100%);
  }

  .header-cta {
    justify-self: start;
    min-height: 38px;
    padding: 9px 12px;
    font-size: 12px;
  }

  .primary-nav {
    grid-row: auto;
    gap: 0;
    font-size: 12px;
  }

  .primary-nav a {
    padding: 7px 10px 7px 0;
    margin-right: 10px;
  }

  h1 {
    font-size: clamp(40px, 13vw, 62px);
  }

  .hero-slider,
  .slides,
  .slide {
    min-height: 760px;
  }

  .slide-content {
    padding: 46px 0 126px;
  }

  .slide-content h2 {
    font-size: clamp(36px, 11vw, 56px);
  }

  .button {
    width: 100%;
  }

  .slider-controls {
    bottom: 22px;
    width: min(100% - 30px, var(--max));
    gap: 10px;
  }

  .slider-arrow {
    min-width: 58px;
    min-height: 38px;
    font-size: 10px;
  }

  .slider-dots {
    gap: 6px;
  }

  .slider-dots button {
    width: 24px;
  }

  .quick-links,
  .service-grid {
    grid-template-columns: 1fr;
  }

  .quick-links a,
  .quick-links a:nth-child(2) {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .quick-links span,
  .service-grid span {
    margin-bottom: 28px;
  }

  .service-grid article {
    min-height: auto;
  }

  .technical {
    padding-right: 15px;
    padding-left: 15px;
  }

  .operations-main img {
    min-height: 280px;
  }

  .site-footer {
    display: grid;
  }
}