:root {
  --ink: #15171a;
  --muted: #646b75;
  --line: #e7e8ea;
  --paper: #ffffff;
  --soft: #f5f6f7;
  --steel: #233242;
  --steel-2: #0d1116;
  --amber: #f2b323;
  --orange: #e96f22;
  --blue: #203a58;
  --shadow: 0 18px 44px rgba(15, 20, 28, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  color: var(--ink);
  background: var(--paper);
  font-family: "Nunito Sans", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
}

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

button {
  font: inherit;
}

.service-bar {
  border-bottom: 1px solid var(--line);
  background: #fbfbfc;
  color: #22262b;
  font-size: 14px;
}

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

.service-bar__inner {
  display: flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 16px;
  text-align: center;
  letter-spacing: 0.02em;
}

.service-bar__label {
  color: var(--muted);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
}

.site-header__inner {
  display: grid;
  min-height: 82px;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: max-content;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.brand__mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 2px solid #16243a;
  border-radius: 50%;
  color: var(--orange);
}

.brand__text {
  display: grid;
  line-height: 1.05;
}

.brand__name {
  font-size: 19px;
}

.brand__tag {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: #393f46;
  font-size: 16px;
}

.nav a {
  padding: 8px 0;
  border-bottom: 1px solid transparent;
}

.nav a:hover,
.nav a[aria-current="page"] {
  border-bottom-color: var(--ink);
  color: var(--ink);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.icon-button,
.menu-button {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 0;
  background: transparent;
  color: #111318;
  cursor: pointer;
}

.menu-button {
  display: none;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 560px;
  color: #ffffff;
  background:
    radial-gradient(circle at 76% 38%, rgba(242, 179, 35, 0.22), transparent 18%),
    radial-gradient(circle at 18% 62%, rgba(32, 58, 88, 0.52), transparent 26%),
    linear-gradient(90deg, rgba(3, 5, 8, 0.96), rgba(14, 18, 24, 0.82) 48%, rgba(6, 7, 9, 0.98)),
    #0b0d10;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(90deg, transparent, #000 18%, #000 82%, transparent);
  opacity: 0.34;
}

.hero__inner {
  position: relative;
  display: grid;
  width: min(1180px, calc(100% - 40px));
  min-height: 560px;
  margin: 0 auto;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 520px);
  align-items: center;
  gap: 48px;
}

.hero__copy {
  padding: 72px 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: #f6d784;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 2px;
  background: var(--amber);
}

.hero h1,
.page-hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 700;
  line-height: 1.06;
}

.hero p,
.page-hero p {
  max-width: 650px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 19px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  border: 1px solid #ffffff;
  padding: 0 28px;
  background: #ffffff;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.button--ghost {
  background: transparent;
  color: #ffffff;
}

.button--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

.hero-art {
  position: relative;
  min-height: 400px;
}

.part-card {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.03));
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
}

.part-card--large {
  right: 4%;
  bottom: 18%;
  width: min(420px, 86%);
  aspect-ratio: 1.4;
}

.part-card--small {
  left: 0;
  top: 18%;
  width: 190px;
  aspect-ratio: 1;
}

.part-card--thin {
  right: 22%;
  top: 8%;
  width: 210px;
  height: 82px;
}

.gear {
  position: absolute;
  inset: 18%;
  border: 34px solid rgba(231, 235, 238, 0.18);
  border-radius: 50%;
}

.gear::before,
.gear::after {
  content: "";
  position: absolute;
  inset: 22%;
  border: 18px solid rgba(242, 179, 35, 0.42);
  border-radius: 50%;
}

.gear::after {
  inset: 42%;
  border-width: 0;
  background: rgba(5, 6, 8, 0.82);
}

.plug {
  position: absolute;
  inset: 24%;
  border-radius: 8px;
  background: linear-gradient(145deg, #2b3036, #0f1318);
}

.plug::before {
  content: "";
  position: absolute;
  left: 18%;
  top: -26px;
  width: 64%;
  height: 26px;
  border-radius: 8px 8px 0 0;
  background: var(--amber);
}

.rail {
  position: absolute;
  inset: 28px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.18), rgba(242, 179, 35, 0.62));
}

.rating {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
}

.stars {
  color: var(--amber);
  letter-spacing: 0.06em;
}

.section {
  padding: 58px 0;
}

.section__head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 26px;
}

.section h2 {
  margin: 0;
  font-size: 28px;
  font-weight: 700;
}

.section__note {
  max-width: 520px;
  margin: 0;
  color: var(--muted);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.category {
  min-height: 210px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  background:
    linear-gradient(150deg, rgba(242, 179, 35, 0.1), transparent 38%),
    var(--paper);
}

.category__icon {
  display: grid;
  width: 58px;
  height: 58px;
  margin-bottom: 22px;
  place-items: center;
  border-radius: 8px;
  background: #10151c;
  color: var(--amber);
}

.category h3 {
  margin: 0 0 10px;
  font-size: 19px;
}

.category p {
  margin: 0;
  color: var(--muted);
}

.status-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  border: 1px solid var(--line);
  border-left: 4px solid var(--orange);
  border-radius: 8px;
  padding: 24px;
  background: var(--soft);
}

.status-panel strong {
  display: block;
  margin-bottom: 4px;
}

.status-panel p {
  margin: 0;
  color: var(--muted);
}

.status-badge {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  border-radius: 999px;
  padding: 0 14px;
  background: #fff4db;
  color: #8a5400;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-hero {
  padding: 86px 0;
  color: #ffffff;
  background:
    radial-gradient(circle at 82% 24%, rgba(242, 179, 35, 0.18), transparent 20%),
    linear-gradient(120deg, var(--steel-2), var(--steel));
}

.maintenance-card {
  max-width: 780px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 32px;
  background: var(--paper);
}

.maintenance-card h2 {
  margin-top: 0;
}

.list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.list li {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.list li::before {
  content: "";
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--orange);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #11161d;
  color: rgba(255, 255, 255, 0.72);
}

.site-footer__inner {
  display: flex;
  width: min(1180px, calc(100% - 40px));
  min-height: 92px;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-footer strong {
  color: #ffffff;
}

@media (max-width: 860px) {
  .site-header__inner {
    grid-template-columns: 1fr auto;
  }

  .menu-button {
    display: inline-grid;
  }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    border-bottom: 1px solid var(--line);
    padding: 12px 20px 18px;
    background: #ffffff;
  }

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

  .nav a {
    width: 100%;
    padding: 14px 0;
  }

  .header-actions {
    display: none;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .hero-art {
    min-height: 260px;
    margin-bottom: 42px;
  }

  .part-card--large {
    right: 0;
    bottom: 0;
  }

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

  .section__head,
  .status-panel,
  .site-footer__inner {
    align-items: flex-start;
    flex-direction: column;
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .service-bar__inner,
  .site-header__inner,
  .section,
  .hero__inner,
  .site-footer__inner {
    width: min(100% - 28px, 1180px);
  }

  .brand__name {
    font-size: 17px;
  }

  .brand__tag {
    font-size: 10px;
  }

  .hero,
  .hero__inner {
    min-height: 0;
  }

  .hero__copy {
    padding: 54px 0 10px;
  }

  .hero p,
  .page-hero p {
    font-size: 17px;
  }

  .hero__actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}