:root {
  --black: #0d0d0d;
  --blue: #114abd;
  --steel: #5a5e66;
  --silver: #c9cdd1;
  --white: #ffffff;
  --panel: #15171b;
  --line: rgba(255, 255, 255, 0.16);
  --text: #e8ebef;
  --muted: #aab0b8;
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--black);
  color: var(--text);
  font-family: Montserrat, Eurostile Extended, Arial, Helvetica, sans-serif;
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 78px;
  padding: 12px clamp(18px, 4vw, 56px);
  background: rgba(13, 13, 13, 0.86);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  height: 52px;
  width: 170px;
  overflow: hidden;
}

.brand img {
  width: 170px;
  height: auto;
  display: block;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 30px);
  color: var(--silver);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav a {
  padding: 10px 0;
  border-bottom: 2px solid transparent;
}

.nav a:hover {
  color: var(--white);
  border-color: var(--blue);
}

.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid transparent;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.header-cta,
.btn.primary {
  background: var(--blue);
  color: var(--white);
}

.btn.ghost {
  border-color: rgba(255, 255, 255, 0.34);
  color: var(--white);
  background: rgba(13, 13, 13, 0.42);
}

.hero {
  position: relative;
  min-height: 96vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 130px clamp(20px, 5vw, 72px) 92px;
  isolation: isolate;
}

.hero-media,
.hero-shade {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-media {
  background-image: url("./assets/hero-industrial.jpg");
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
}

.hero-shade {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(13, 13, 13, 0.95) 0%, rgba(13, 13, 13, 0.74) 38%, rgba(13, 13, 13, 0.36) 100%),
    linear-gradient(140deg, rgba(17, 74, 189, 0.42), transparent 42%),
    repeating-linear-gradient(135deg, rgba(255,255,255,0.05) 0 1px, transparent 1px 12px);
}

.hero-content {
  width: min(720px, 100%);
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: #62a0ff;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 18px;
  color: var(--white);
  font-size: clamp(3.4rem, 10vw, 7.6rem);
  line-height: 0.88;
  font-weight: 900;
  letter-spacing: 0;
}

h2 {
  color: var(--white);
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  color: var(--white);
  font-size: 1.02rem;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 650px;
  color: var(--text);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  line-height: 1.55;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-strip {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  min-height: 62px;
  background: rgba(7, 7, 8, 0.88);
  border-top: 1px solid var(--line);
}

.hero-strip span {
  display: grid;
  place-items: center;
  min-width: 0;
  padding: 12px;
  border-right: 1px solid var(--line);
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-align: center;
  text-transform: uppercase;
}

.section,
.engineering,
.contact {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(70px, 9vw, 112px) 0;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: clamp(28px, 6vw, 84px);
  align-items: end;
  border-bottom: 1px solid var(--line);
}

.intro p:last-child,
.engineering-text p,
.contact p {
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.7;
}

.section-head {
  max-width: 760px;
  margin-bottom: 32px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service-card {
  min-height: 230px;
  padding: 30px;
  background:
    linear-gradient(145deg, rgba(17, 74, 189, 0.16), transparent 38%),
    var(--panel);
}

.service-card .icon {
  position: relative;
  display: block;
  width: 46px;
  height: 34px;
  margin-bottom: 32px;
  color: #75a8ff;
}

.service-card .icon::before,
.service-card .icon::after {
  content: "";
  position: absolute;
  border-color: currentColor;
}

.icon-project::before {
  inset: 2px 8px 2px 0;
  border: 3px solid;
}

.icon-project::after {
  right: 0;
  top: 8px;
  width: 16px;
  height: 16px;
  border-top: 3px solid;
  border-right: 3px solid;
}

.icon-platform::before {
  inset: 7px 0 8px;
  border-top: 3px solid;
  border-bottom: 3px solid;
  background: repeating-linear-gradient(90deg, currentColor 0 2px, transparent 2px 9px);
}

.icon-platform::after {
  left: 6px;
  right: 6px;
  bottom: 0;
  height: 3px;
  background: currentColor;
}

.icon-rail::before {
  inset: 4px 0 6px;
  border-top: 3px solid;
  border-bottom: 3px solid;
}

.icon-rail::after {
  top: 0;
  bottom: 0;
  left: 8px;
  width: 30px;
  background: repeating-linear-gradient(90deg, currentColor 0 3px, transparent 3px 14px);
}

.icon-coating::before {
  left: 0;
  top: 10px;
  width: 44px;
  height: 14px;
  border: 3px solid;
  transform: skewX(-24deg);
}

.icon-coating::after {
  left: 10px;
  top: 4px;
  width: 22px;
  height: 26px;
  border-right: 3px solid;
  transform: skewX(-24deg);
}

.icon-profile::before {
  left: 2px;
  top: 4px;
  width: 38px;
  height: 22px;
  border-left: 3px solid;
  border-bottom: 3px solid;
  transform: skewX(-22deg);
}

.icon-profile::after {
  right: 4px;
  bottom: 2px;
  width: 20px;
  height: 3px;
  background: currentColor;
}

.icon-maintenance::before {
  left: 6px;
  top: 4px;
  width: 24px;
  height: 24px;
  border: 3px solid;
  border-radius: 50%;
}

.icon-maintenance::after {
  right: 3px;
  bottom: 4px;
  width: 18px;
  height: 3px;
  background: currentColor;
  transform: rotate(42deg);
}

.icon-cover::before {
  left: 2px;
  top: 3px;
  width: 40px;
  height: 26px;
  border: 3px solid;
  border-radius: 50%;
}

.icon-cover::after {
  left: 8px;
  top: 9px;
  width: 28px;
  height: 14px;
  border: 2px solid;
  border-radius: 50%;
}

.service-card-featured {
  position: relative;
  background:
    linear-gradient(145deg, rgba(17, 74, 189, 0.4), transparent 65%),
    #17223a;
}

.card-label {
  position: absolute;
  top: 26px;
  right: 26px;
  color: #9dc0ff !important;
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.service-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.62;
}

.engineering {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.manhole {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(76px, 10vw, 128px) 0;
  display: grid;
  grid-template-columns: minmax(340px, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(34px, 7vw, 88px);
  align-items: center;
  border-top: 1px solid var(--line);
}

.manhole-visual {
  position: relative;
  min-width: 0;
  padding: clamp(18px, 3vw, 34px);
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 42%, rgba(89, 133, 214, 0.24), transparent 52%),
    linear-gradient(145deg, #20242b, #101114);
  border: 1px solid var(--line);
}

.manhole-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(135deg, rgba(255,255,255,0.025) 0 1px, transparent 1px 13px);
}

.manhole-visual img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  mix-blend-mode: screen;
  filter: contrast(1.12) brightness(0.9);
}

.product-tag {
  position: absolute;
  z-index: 2;
  left: 22px;
  bottom: 22px;
  padding: 9px 12px;
  color: var(--white);
  background: var(--blue);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.manhole-content > p:not(.section-kicker) {
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.7;
}

.benefit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin: 30px 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.benefit-grid span {
  min-height: 54px;
  display: flex;
  align-items: center;
  padding: 12px 15px 12px 34px;
  background: var(--panel);
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 800;
  position: relative;
}

.benefit-grid span::before {
  content: "";
  position: absolute;
  left: 15px;
  width: 8px;
  height: 8px;
  background: #62a0ff;
  transform: rotate(45deg);
}

.engineering-text {
  max-width: 820px;
}

.steps,
.application-list {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.steps span,
.application-list span {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.045);
  border-left: 3px solid var(--blue);
  color: var(--white);
  font-weight: 800;
}

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

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 30px;
  align-items: center;
  margin-bottom: 40px;
  padding: 44px;
  background:
    linear-gradient(135deg, rgba(17, 74, 189, 0.32), transparent 46%),
    var(--panel);
  border: 1px solid var(--line);
}

@media (max-width: 880px) {
  .site-header {
    position: absolute;
    flex-wrap: wrap;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    overflow-x: auto;
    padding-top: 6px;
  }

  .header-cta {
    min-height: 38px;
  }

  .hero {
    min-height: 92vh;
    padding-top: 168px;
  }

  .hero-strip,
  .intro,
  .manhole,
  .engineering,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero-strip {
    position: static;
    margin: 38px -20px -92px;
  }

  .service-grid,
  .application-list {
    grid-template-columns: 1fr;
  }

  .manhole {
    grid-template-columns: 1fr;
  }

  .contact {
    padding: 30px 22px;
  }
}

@media (max-width: 540px) {
  .brand {
    width: 138px;
  }

  .brand img {
    width: 138px;
  }

  .nav {
    font-size: 0.7rem;
    gap: 16px;
  }

  .header-cta {
    display: none;
  }

  .hero-actions,
  .contact-actions {
    display: grid;
  }

  .hero-strip {
    grid-template-columns: 1fr 1fr;
  }

  .service-card {
    min-height: 0;
    padding: 24px;
  }

  .benefit-grid {
    grid-template-columns: 1fr;
  }
}