:root {
  --ink: #07111f;
  --muted: #5e6a79;
  --line: rgba(7, 17, 31, 0.12);
  --paper: #f7f8fb;
  --white: #ffffff;
  --blue: #19aee9;
  --blue-dark: #0875ad;
  --orange: #f25a1d;
  --shadow: 0 24px 70px rgba(7, 17, 31, 0.14);
  --radius: 28px;
  --font: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --display: "Space Grotesk", var(--font);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  position: relative;
  margin: 0;
  color: var(--ink);
  font-family: var(--font);
  background:
    radial-gradient(circle at 12% 8%, rgba(25, 174, 233, 0.16), transparent 28rem),
    radial-gradient(circle at 88% 4%, rgba(242, 90, 29, 0.14), transparent 24rem),
    var(--paper);
  overflow-x: hidden;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(7, 17, 31, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 17, 31, 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 78%);
}

.construction-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
}

.construction-bg::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(120deg, transparent 0 46%, rgba(25, 174, 233, 0.07) 46% 47%, transparent 47% 100%),
    linear-gradient(60deg, transparent 0 54%, rgba(242, 90, 29, 0.08) 54% 55%, transparent 55% 100%);
  background-size: 360px 360px;
  animation: blueprint-pan 18s linear infinite;
}

.skyline {
  position: absolute;
  right: -4vw;
  bottom: 0;
  left: 34vw;
  height: 42vh;
  opacity: 0.16;
  animation: skyline-float 9s ease-in-out infinite;
}

.building {
  position: absolute;
  bottom: 0;
  width: clamp(76px, 9vw, 130px);
  border: 1px solid rgba(7, 17, 31, 0.3);
  border-bottom: 0;
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(255, 255, 255, 0.72) 0 10px,
      rgba(25, 174, 233, 0.34) 10px 16px
    ),
    linear-gradient(180deg, rgba(25, 174, 233, 0.6), rgba(7, 17, 31, 0.15));
  clip-path: polygon(0 12%, 72% 0, 100% 14%, 100% 100%, 0 100%);
}

.building--one {
  left: 4%;
  height: 64%;
}

.building--two {
  left: 23%;
  height: 88%;
  width: clamp(92px, 11vw, 160px);
}

.building--three {
  left: 48%;
  height: 72%;
}

.building--four {
  left: 68%;
  height: 52%;
  width: clamp(110px, 13vw, 190px);
}

.crane {
  position: absolute;
  opacity: 0.18;
  transform-origin: bottom center;
}

.crane--left {
  bottom: 12vh;
  left: 4vw;
  width: 360px;
  height: 300px;
  animation: crane-sway 8s ease-in-out infinite;
}

.crane--right {
  right: 6vw;
  bottom: 22vh;
  width: 300px;
  height: 250px;
  transform: scaleX(-1);
  animation: crane-sway-right 10s ease-in-out infinite;
}

.crane__mast,
.crane__arm,
.crane__cable,
.crane__load {
  position: absolute;
  display: block;
  background: var(--ink);
}

.crane__mast {
  bottom: 0;
  left: 62px;
  width: 16px;
  height: 100%;
}

.crane__mast::before {
  position: absolute;
  inset: 0;
  content: "";
  background: repeating-linear-gradient(135deg, transparent 0 14px, rgba(255, 255, 255, 0.55) 14px 17px);
}

.crane__arm {
  top: 22px;
  left: 60px;
  width: 250px;
  height: 12px;
  transform: rotate(-7deg);
  transform-origin: left center;
}

.crane__arm::after {
  position: absolute;
  top: -42px;
  left: 38px;
  width: 170px;
  height: 66px;
  content: "";
  border-top: 4px solid var(--ink);
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  transform: skewX(-28deg);
}

.crane__cable {
  top: 26px;
  left: 250px;
  width: 3px;
  height: 112px;
  animation: cable-drop 5.5s ease-in-out infinite;
}

.crane__load {
  top: 134px;
  left: 226px;
  width: 52px;
  height: 34px;
  border-radius: 6px;
  background: var(--orange);
  animation: load-float 5.5s ease-in-out infinite;
}

.blueprint-line {
  position: absolute;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(25, 174, 233, 0.48), transparent);
  animation: scan-line 7s linear infinite;
}

.blueprint-line--one {
  top: 24%;
  left: -20%;
  width: 56vw;
}

.blueprint-line--two {
  top: 64%;
  right: -28%;
  width: 64vw;
  animation-delay: -2.4s;
}

.site-truck {
  position: absolute;
  bottom: 8vh;
  left: -140px;
  width: 112px;
  height: 44px;
  border-radius: 8px 18px 8px 8px;
  opacity: 0.2;
  background: var(--orange);
  animation: truck-drive 18s linear infinite;
}

.site-truck::before {
  position: absolute;
  right: 8px;
  bottom: 44px;
  width: 42px;
  height: 34px;
  content: "";
  border-radius: 12px 12px 0 0;
  background: var(--blue);
}

.site-truck::after {
  position: absolute;
  bottom: -11px;
  left: 16px;
  width: 22px;
  height: 22px;
  content: "";
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 58px 0 0 var(--ink);
}

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

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

.shell {
  width: min(1140px, calc(100% - 36px));
  margin-inline: auto;
}

.skip-link,
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link:focus {
  z-index: 99;
  width: auto;
  height: auto;
  padding: 12px 16px;
  clip: auto;
  color: var(--white);
  background: var(--ink);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  background: rgba(247, 248, 251, 0.82);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 86px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand img {
  width: 58px;
  height: 58px;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: 0 12px 32px rgba(7, 17, 31, 0.18);
}

.brand span {
  display: grid;
  line-height: 1.05;
}

.brand strong {
  font-family: var(--display);
  font-size: clamp(1rem, 2vw, 1.25rem);
}

.brand em {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.78rem;
  font-style: normal;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: rgba(7, 17, 31, 0.78);
  font-size: 0.94rem;
  font-weight: 700;
}

.nav a:hover {
  background: rgba(7, 17, 31, 0.06);
  color: var(--ink);
}

.nav__cta {
  color: var(--white) !important;
  background: var(--ink);
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 16px;
  background: var(--ink);
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--white);
}

.hero {
  padding: 72px 0 54px;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  align-items: center;
  gap: 52px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--blue-dark);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.76rem;
}

.eyebrow::before {
  width: 28px;
  height: 2px;
  content: "";
  background: var(--orange);
}

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

h1,
h2,
h3 {
  font-family: var(--display);
  letter-spacing: -0.045em;
}

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(3rem, 8vw, 6.8rem);
  line-height: 0.9;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4.8vw, 4.4rem);
  line-height: 0.96;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.35rem;
}

.hero__copy > p,
.section p {
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.75;
}

.hero__copy > p {
  max-width: 650px;
  font-size: 1.18rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 34px 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 800;
}

.btn--primary {
  color: var(--white);
  border-color: var(--orange);
  background: linear-gradient(135deg, var(--orange), #ff7a34);
  box-shadow: 0 16px 40px rgba(242, 90, 29, 0.28);
}

.btn--secondary {
  background: rgba(255, 255, 255, 0.72);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.stats div,
.service-card,
.contact-card,
.timeline li,
.work-list div {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 18px 50px rgba(7, 17, 31, 0.07);
}

.stats div {
  padding: 18px;
  border-radius: 22px;
}

.stats dt {
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 800;
}

.stats dd {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.hero__visual {
  position: relative;
}

.hero__visual::before {
  position: absolute;
  inset: -24px;
  z-index: -1;
  content: "";
  border-radius: 38px;
  background:
    linear-gradient(135deg, rgba(25, 174, 233, 0.88), transparent 52%),
    linear-gradient(315deg, rgba(242, 90, 29, 0.7), transparent 46%),
    var(--ink);
  transform: rotate(-3deg);
}

.blueprint-card {
  overflow: hidden;
  padding: 26px;
  border-radius: 34px;
  background: #05080d;
  box-shadow: var(--shadow);
}

.blueprint-card img {
  width: 100%;
  border-radius: 24px;
}

.blueprint-card__caption {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 18px;
}

.blueprint-card__caption span {
  padding: 12px 8px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 16px;
  color: var(--white);
  text-align: center;
  font-size: 0.82rem;
  font-weight: 800;
}

.section {
  padding: 82px 0;
}

.section__head {
  max-width: 780px;
  margin-bottom: 34px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  min-height: 250px;
  padding: 26px;
  border-radius: var(--radius);
}

.service-card > span,
.timeline span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 28px;
  border-radius: 50%;
  color: var(--white);
  background: var(--ink);
  font-weight: 900;
}

.work {
  color: var(--white);
  background: linear-gradient(135deg, #07111f, #0c253e);
}

.work .eyebrow,
.work p {
  color: rgba(255, 255, 255, 0.72);
}

.work__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 1.05fr);
  gap: 34px;
  align-items: center;
}

.work-list {
  display: grid;
  gap: 14px;
}

.work-list div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px;
  border-color: rgba(255, 255, 255, 0.16);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.07);
}

.work-list strong {
  font-family: var(--display);
  font-size: 1.2rem;
}

.work-list span {
  color: rgba(255, 255, 255, 0.7);
  text-align: right;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.timeline li {
  padding: 26px;
  border-radius: var(--radius);
}

.contact {
  padding-bottom: 100px;
}

.contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 1.1fr);
  gap: 34px;
  align-items: center;
}

.contact-card {
  overflow: hidden;
  display: grid;
  gap: 14px;
  padding: 34px;
  border-radius: 30px;
  font-style: normal;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.74)),
    radial-gradient(circle at top right, rgba(25, 174, 233, 0.2), transparent 18rem);
}

.contact-card strong {
  font-family: var(--display);
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  line-height: 1;
}

.contact-card a {
  color: var(--blue-dark);
  font-size: 1.08rem;
  font-weight: 800;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 8px 0 2px;
}

.contact-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 16px;
  border-radius: 999px;
  color: var(--white);
  background: var(--ink);
  font-size: 0.95rem;
  box-shadow: 0 14px 30px rgba(7, 17, 31, 0.14);
}

.contact-actions a:nth-child(2) {
  background: #17a558;
}

.contact-actions a:nth-child(3) {
  background: var(--blue-dark);
}

.contact-card__mail {
  width: fit-content;
}

.contact-card span {
  color: var(--muted);
  line-height: 1.6;
}

.contact-card__label {
  display: inline-flex;
  width: fit-content;
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--white) !important;
  background: var(--ink);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  line-height: 1;
  text-transform: uppercase;
}

.site-footer {
  padding: 30px 0;
  color: rgba(255, 255, 255, 0.78);
  background: var(--ink);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

@keyframes blueprint-pan {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 360px 180px;
  }
}

@keyframes skyline-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@keyframes crane-sway {
  0%,
  100% {
    transform: rotate(-1deg);
  }
  50% {
    transform: rotate(1.6deg);
  }
}

@keyframes crane-sway-right {
  0%,
  100% {
    transform: scaleX(-1) rotate(-1deg);
  }
  50% {
    transform: scaleX(-1) rotate(1.4deg);
  }
}

@keyframes cable-drop {
  0%,
  100% {
    height: 86px;
  }
  50% {
    height: 132px;
  }
}

@keyframes load-float {
  0%,
  100% {
    transform: translateY(-20px);
  }
  50% {
    transform: translateY(26px);
  }
}

@keyframes scan-line {
  from {
    transform: translateX(-24vw);
  }
  to {
    transform: translateX(124vw);
  }
}

@keyframes truck-drive {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(calc(100vw + 260px));
  }
}

@media (max-width: 920px) {
  .nav-toggle {
    display: block;
  }

  .nav {
    position: fixed;
    top: 78px;
    right: 18px;
    left: 18px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow);
  }

  .nav.is-open {
    display: flex;
  }

  .nav a {
    text-align: center;
  }

  .hero__grid,
  .work__grid,
  .contact__grid {
    grid-template-columns: 1fr;
  }

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

  .crane--left {
    left: -110px;
    opacity: 0.12;
  }

  .crane--right {
    display: none;
  }

  .skyline {
    left: 8vw;
    opacity: 0.11;
  }
}

@media (max-width: 620px) {
  .header__inner {
    min-height: 76px;
  }

  .brand img {
    width: 48px;
    height: 48px;
  }

  .hero {
    padding-top: 44px;
  }

  .stats,
  .service-grid,
  .timeline,
  .blueprint-card__caption {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 58px 0;
  }

  .work-list div,
  .footer__inner {
    display: grid;
  }

  .work-list span {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}