:root {
  --navy-950: #020817;
  --navy-900: #06142f;
  --navy-850: #071a3c;
  --navy-800: #0a2451;
  --blue-600: #0568e8;
  --blue-500: #0e88ff;
  --cyan-400: #2bc8ff;
  --cyan-300: #77deff;
  --white: #ffffff;
  --text: #dcecff;
  --muted: #9eb7d8;
  --line: rgba(92, 201, 255, .24);
  --card: rgba(8, 30, 68, .78);
  --shadow: 0 24px 70px rgba(0, 24, 72, .28);
  --radius: 24px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 10%, rgba(17, 125, 255, .12), transparent 28rem),
    linear-gradient(180deg, #07142d 0%, #071a3c 45%, #041126 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, a { -webkit-tap-highlight-color: transparent; }
svg { display: block; }

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 9999;
  transform: translateY(-150%);
  padding: 10px 14px;
  border-radius: 10px;
  background: white;
  color: #06142f;
  font-weight: 800;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  background: rgba(3, 13, 31, .72);
  border-bottom: 1px solid rgba(106, 211, 255, .14);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: background .25s ease, box-shadow .25s ease;
}
.site-header.scrolled {
  background: rgba(3, 13, 31, .94);
  box-shadow: 0 12px 35px rgba(0,0,0,.2);
}

.nav-wrap {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, rgba(36, 185, 255, .18), rgba(5, 77, 184, .1));
  border: 1px solid rgba(80, 206, 255, .32);
  box-shadow: inset 0 0 20px rgba(35, 174, 255, .12);
}
.brand-mark svg { width: 26px; fill: none; stroke: #57d5ff; stroke-width: 2; }
.brand-text { display: grid; line-height: 1.03; text-transform: uppercase; }
.brand-text strong { font-size: .87rem; letter-spacing: .08em; font-weight: 800; }
.brand-text span { font-size: 1.24rem; letter-spacing: .055em; font-weight: 900; color: #46c8ff; }

.main-nav { display: flex; align-items: center; gap: 8px; }
.main-nav a {
  position: relative;
  padding: 10px 12px;
  color: #cfe7ff;
  font-size: .94rem;
  font-weight: 700;
  transition: color .2s ease;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 3px;
  height: 2px;
  transform: scaleX(0);
  transform-origin: center;
  background: linear-gradient(90deg, var(--blue-500), var(--cyan-400));
  transition: transform .22s ease;
}
.main-nav a:hover,
.main-nav a.active { color: white; }
.main-nav a:hover::after,
.main-nav a.active::after { transform: scaleX(1); }

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(82, 205, 255, .25);
  border-radius: 14px;
  background: rgba(11, 39, 83, .65);
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  border-radius: 999px;
  background: white;
  transition: transform .2s ease, opacity .2s ease;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.section { padding: 105px 0; position: relative; }
.section-dark {
  background:
    linear-gradient(120deg, rgba(1, 9, 24, .97), rgba(8, 31, 74, .94)),
    radial-gradient(circle at 80% 20%, rgba(20, 130, 255, .16), transparent 30rem);
  border-block: 1px solid rgba(77, 191, 255, .12);
}

.hero {
  position: relative;
  min-height: 760px;
  display: grid;
  align-items: center;
  isolation: isolate;
  overflow: hidden;
  padding: 150px 0 90px;
  background:
    radial-gradient(circle at 78% 42%, rgba(0, 144, 255, .22), transparent 25rem),
    linear-gradient(112deg, #020817 2%, #071e49 50%, #06356c 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: .16;
  background-image:
    linear-gradient(rgba(76, 197, 255, .16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(76, 197, 255, .16) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to right, rgba(0,0,0,.35), black 68%, transparent 100%);
}
.hero::after {
  content: "";
  position: absolute;
  width: 900px;
  height: 900px;
  right: -430px;
  top: -410px;
  z-index: -1;
  border-radius: 50%;
  border: 1px solid rgba(54, 190, 255, .18);
  box-shadow:
    0 0 0 90px rgba(37, 163, 255, .03),
    0 0 0 180px rgba(37, 163, 255, .025),
    0 0 0 270px rgba(37, 163, 255, .02);
}
.hero-layout {
  display: grid;
  grid-template-columns: 1.03fr .97fr;
  align-items: center;
  gap: 44px;
}
.eyebrow {
  margin: 0 0 12px;
  color: #6fd7ff;
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.hero h1 {
  max-width: 760px;
  margin: 0;
  color: white;
  font-size: clamp(3.3rem, 7.2vw, 6.7rem);
  line-height: .88;
  letter-spacing: -.055em;
  text-transform: uppercase;
  text-wrap: balance;
  text-shadow: 0 7px 34px rgba(0, 83, 184, .22);
}
.hero h1 span {
  display: block;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(124, 222, 255, .92);
  background: linear-gradient(180deg, #e7f7ff 0%, #65d6ff 45%, #1292ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 7px 18px rgba(0, 124, 255, .22));
}
.hero-subtitle {
  max-width: 610px;
  margin: 26px 0 0;
  color: #c8def7;
  font-size: clamp(1.14rem, 2vw, 1.5rem);
  font-weight: 650;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.btn {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border-radius: 14px;
  font-weight: 850;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: white;
  background: linear-gradient(135deg, #0667e8, #10afff);
  box-shadow: 0 14px 35px rgba(0, 119, 255, .26);
}
.btn-primary:hover { box-shadow: 0 18px 42px rgba(0, 119, 255, .36); }
.btn-ghost { border: 1px solid rgba(93, 205, 255, .4); background: rgba(11, 35, 76, .44); }
.btn-ghost:hover { background: rgba(21, 73, 136, .55); }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.hero-tags span {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(95, 210, 255, .18);
  background: rgba(5, 25, 57, .55);
  color: #a9c7e8;
  font-size: .78rem;
  font-weight: 750;
}
.hero-visual { min-height: 470px; position: relative; display: grid; place-items: center; }
.compressor-graphic {
  width: min(100%, 540px);
  filter: drop-shadow(0 24px 50px rgba(0, 119, 255, .28));
  animation: floatGraphic 5s ease-in-out infinite;
}
.tech-ring { position: absolute; border-radius: 50%; border: 1px dashed rgba(92, 203, 255, .24); }
.ring-a { width: 430px; height: 430px; animation: spin 24s linear infinite; }
.ring-b { width: 340px; height: 340px; border-style: solid; opacity: .5; animation: spinReverse 18s linear infinite; }
.ice { position: absolute; color: #6ed9ff; text-shadow: 0 0 24px #009eff; animation: twinkle 3s ease-in-out infinite; }
.ice-1 { top: 11%; left: 8%; font-size: 2.6rem; }
.ice-2 { right: 5%; bottom: 16%; font-size: 3.3rem; animation-delay: .8s; }
.ice-3 { right: 14%; top: 12%; font-size: 1.7rem; animation-delay: 1.4s; }

.section-heading { margin-bottom: 48px; }
.section-heading.centered { text-align: center; }
.section-heading h2 {
  margin: 0;
  color: white;
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1;
  letter-spacing: -.045em;
  text-transform: uppercase;
}
.heading-line {
  display: inline-block;
  width: 88px;
  height: 4px;
  margin-top: 18px;
  border-radius: 999px;
  background: linear-gradient(90deg, #0878ff, #42d3ff);
  box-shadow: 0 0 18px rgba(25, 168, 255, .36);
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.service-card {
  min-height: 210px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 32px;
  padding: 28px;
  border: 1px solid rgba(78, 195, 255, .18);
  border-radius: var(--radius);
  background:
    linear-gradient(150deg, rgba(14, 55, 112, .74), rgba(5, 22, 52, .92));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.025);
  overflow: hidden;
  position: relative;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.service-card::after {
  content: "";
  position: absolute;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  right: -65px;
  top: -70px;
  background: radial-gradient(circle, rgba(0, 170, 255, .18), transparent 68%);
  transition: transform .3s ease;
}
.service-card:hover {
  transform: translateY(-7px);
  border-color: rgba(78, 206, 255, .42);
  box-shadow: 0 20px 50px rgba(0, 20, 55, .3);
}
.service-card:hover::after { transform: scale(1.25); }
.service-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  border: 1px solid rgba(83, 212, 255, .24);
  background: rgba(19, 102, 186, .17);
}
.service-icon svg {
  width: 30px;
  fill: none;
  stroke: #61d8ff;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.service-card h3 { margin: 0; color: white; font-size: 1.22rem; line-height: 1.25; }

.brands-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 70px; align-items: center; }
.brands-copy h2 { margin: 0; color: white; font-size: clamp(2.4rem, 5vw, 4.6rem); line-height: 1; text-transform: uppercase; }
.brands-intro { color: var(--muted); margin: 18px 0 0; font-size: 1.08rem; }
.brand-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.brand-card {
  min-height: 125px;
  display: grid;
  place-items: center;
  padding: 20px;
  border-radius: 20px;
  border: 1px solid rgba(89, 204, 255, .18);
  background: linear-gradient(145deg, rgba(12, 49, 103, .82), rgba(4, 17, 40, .94));
  color: white;
  font-size: clamp(1.3rem, 2.6vw, 1.8rem);
  font-weight: 900;
  letter-spacing: .02em;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.03);
  transition: transform .22s ease, border-color .22s ease, color .22s ease;
}
.brand-card:hover { transform: translateY(-5px); border-color: rgba(79, 210, 255, .5); color: #67d7ff; }

.workshop { overflow: hidden; }
.workshop::before {
  content: "";
  position: absolute;
  inset: 12% -20% auto auto;
  width: 650px;
  height: 650px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 120, 255, .13), transparent 67%);
  pointer-events: none;
}
.workshop-image-wrap {
  margin: 0;
  position: relative;
  padding: 1px;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(73, 205, 255, .7), rgba(11, 80, 180, .18), rgba(63, 198, 255, .55));
  box-shadow:
    0 35px 90px rgba(0, 10, 35, .42),
    0 0 70px rgba(0, 125, 255, .12);
}
.workshop-image-wrap::before {
  content: "";
  position: absolute;
  inset: -12px;
  z-index: -1;
  border-radius: 34px;
  background: rgba(0, 140, 255, .18);
  filter: blur(24px);
  opacity: .8;
}
.workshop-image-wrap img {
  width: 100%;
  height: auto;
  border-radius: 27px;
  object-fit: contain;
  background: #06142f;
}

.info-section { background: linear-gradient(180deg, rgba(3, 15, 36, .3), rgba(2, 9, 23, .76)); }
.info-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 18px; max-width: 980px; margin: 0 auto; }
.info-card {
  min-height: 210px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 28px;
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(14, 55, 112, .78), rgba(4, 18, 43, .95));
  border: 1px solid rgba(87, 204, 255, .2);
  box-shadow: var(--shadow);
}
.info-icon {
  flex: 0 0 auto;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 17px;
  background: rgba(22, 125, 224, .17);
  border: 1px solid rgba(80, 208, 255, .24);
}
.info-icon svg { width: 29px; fill: none; stroke: #68d9ff; stroke-width: 2.1; stroke-linecap: round; stroke-linejoin: round; }
.info-label { margin: 2px 0 8px; color: #6edbff; text-transform: uppercase; font-size: .75rem; letter-spacing: .17em; font-weight: 900; }
.info-card h3 { margin: 0 0 5px; color: white; font-size: 1.36rem; line-height: 1.3; }
.info-card p:not(.info-label) { margin: 4px 0 0; color: #b8cee8; }

.site-footer {
  padding: 38px 0;
  background: #020817;
  border-top: 1px solid rgba(75, 199, 255, .18);
}
.footer-layout { display: flex; align-items: center; justify-content: space-between; gap: 36px; }
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-snow { font-size: 2rem; color: #57d3ff; }
.footer-brand strong { color: white; font-size: 1.12rem; }
.footer-brand p { margin: 3px 0 0; color: #87a8ca; font-size: .9rem; }
.site-footer address { font-style: normal; color: #9fb8d5; text-align: right; font-size: .9rem; }

.back-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 800;
  width: 46px;
  height: 46px;
  border-radius: 15px;
  border: 1px solid rgba(93, 211, 255, .3);
  background: rgba(7, 34, 76, .9);
  color: white;
  font-size: 1.25rem;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(0,0,0,.2);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease, background .2s ease;
}
.back-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-top:hover { background: #0b76e8; }

.reveal {
  opacity: 1;
  transform: none;
}
html.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}
html.js .reveal.in-view { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .08s; }
.delay-2 { transition-delay: .16s; }
.delay-3 { transition-delay: .24s; }

@keyframes floatGraphic { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes spinReverse { to { transform: rotate(-360deg); } }
@keyframes twinkle { 0%,100% { opacity: .35; transform: scale(.9); } 50% { opacity: 1; transform: scale(1.08); } }

@media (max-width: 980px) {
  .menu-toggle { display: block; }
  .main-nav {
    position: absolute;
    top: calc(100% + 8px);
    right: 20px;
    left: 20px;
    display: grid;
    gap: 4px;
    padding: 12px;
    border-radius: 18px;
    border: 1px solid rgba(85, 204, 255, .22);
    background: rgba(3, 15, 36, .97);
    box-shadow: 0 18px 45px rgba(0,0,0,.35);
    transform: translateY(-8px) scale(.98);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
  }
  .main-nav.open { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
  .main-nav a { padding: 12px 14px; border-radius: 11px; }
  .main-nav a:hover { background: rgba(18, 91, 175, .18); }
  .main-nav a::after { display: none; }
  .hero { min-height: auto; padding-top: 140px; }
  .hero-layout { grid-template-columns: 1fr; }
  .hero-copy { text-align: center; }
  .hero-subtitle { margin-inline: auto; }
  .hero-actions, .hero-tags { justify-content: center; }
  .hero-visual { min-height: 390px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .brands-layout { grid-template-columns: 1fr; gap: 36px; }
  .brands-copy { text-align: center; }
  .info-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .nav-wrap { min-height: 72px; }
  .brand-mark { width: 40px; height: 40px; border-radius: 12px; }
  .brand-text strong { font-size: .72rem; }
  .brand-text span { font-size: 1.02rem; }
  .hero { padding: 120px 0 64px; }
  .hero::after { width: 620px; height: 620px; right: -430px; top: -330px; }
  .hero h1 { font-size: clamp(2.9rem, 16vw, 5rem); }
  .hero-subtitle { font-size: 1.04rem; }
  .hero-actions { display: grid; grid-template-columns: 1fr; width: min(100%, 360px); margin-inline: auto; margin-top: 28px; }
  .hero-tags { display: none; }
  .hero-visual { min-height: 300px; margin-top: -10px; }
  .ring-a { width: 300px; height: 300px; }
  .ring-b { width: 240px; height: 240px; }
  .ice-1 { left: 2%; }
  .ice-2 { right: 2%; }
  .section { padding: 78px 0; }
  .section-heading { margin-bottom: 34px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 170px; gap: 24px; padding: 24px; }
  .brand-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .brand-card { min-height: 92px; padding: 14px; font-size: 1.06rem; }
  .workshop-image-wrap { border-radius: 20px; }
  .workshop-image-wrap img { border-radius: 19px; }
  .info-card { min-height: 0; padding: 22px; }
  .footer-layout { flex-direction: column; align-items: flex-start; }
  .site-footer address { text-align: left; }
}

@media (max-width: 420px) {
  .brand-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 255px; }
  .main-nav { left: 14px; right: 14px; }
  .info-card { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}