:root {
  --ink: #20252b;
  --muted: #65717e;
  --paper: #ffffff;
  --field: #f6f8fa;
  --line: #d8e0e8;
  --brand: #073bff;
  --brand-dark: #062bc2;
  --steel: #3f4b57;
  --mist: #eef3f7;
  --warm: #b86f32;
  --shadow: 0 18px 48px rgba(20, 32, 45, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Segoe UI, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

button,
input,
select,
textarea {
  font: inherit;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 82px;
  padding: 14px clamp(18px, 4vw, 54px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: min(280px, 54vw);
}

.brand img {
  width: 100%;
  max-height: 54px;
  object-fit: contain;
  object-position: left center;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 34px);
  color: var(--steel);
  font-size: 14px;
  font-weight: 800;
}

.site-nav a:hover {
  color: var(--brand);
}

.hero {
  min-height: calc(100vh - 82px);
  display: flex;
  align-items: center;
  padding: clamp(46px, 8vw, 96px) clamp(20px, 5vw, 72px);
  color: white;
  background:
    linear-gradient(90deg, rgba(13, 18, 26, 0.9) 0%, rgba(13, 18, 26, 0.72) 44%, rgba(13, 18, 26, 0.34) 100%),
    url("assets/site-background.png") center/cover;
}

.hero-content {
  width: min(760px, 100%);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--warm);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #d7dee8;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: clamp(46px, 7vw, 86px);
  line-height: 0.98;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
}

h3 {
  margin: 0;
  font-size: 21px;
  line-height: 1.2;
}

p {
  line-height: 1.65;
}

.hero-copy {
  max-width: 660px;
  margin: 22px 0 0;
  color: #edf3f8;
  font-size: clamp(18px, 2.1vw, 23px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 12px 18px;
  font-weight: 900;
  cursor: pointer;
}

.primary-action {
  background: var(--brand);
  color: white;
}

.primary-action:hover {
  background: var(--brand-dark);
}

.secondary-action {
  background: rgba(255, 255, 255, 0.12);
  color: white;
  border-color: rgba(255, 255, 255, 0.52);
}

.secondary-action:hover {
  background: white;
  color: var(--ink);
}

.section {
  padding: clamp(58px, 8vw, 96px) clamp(20px, 5vw, 72px);
}

.section-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.intro-section {
  background: var(--paper);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(280px, 0.65fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
}

.intro-grid p:last-child,
.contact-grid > div p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.services-section {
  background: var(--mist);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.service-card {
  min-height: 270px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(20, 32, 45, 0.08);
}

.service-card span {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: white;
  background: var(--steel);
  font-size: 13px;
  font-weight: 900;
}

.service-card p,
.maintenance-list span {
  margin: 0;
  color: var(--muted);
}

.maintenance-band {
  color: white;
  background: #26323d;
}

.maintenance-band .eyebrow {
  color: #f0b27f;
}

.maintenance-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(300px, 0.9fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
}

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

.maintenance-list div {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

.maintenance-list strong {
  font-size: 18px;
}

.maintenance-list span {
  color: #d8e0e8;
}

.contact-section {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.94)),
    url("assets/site-background.png") center/cover;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.75fr) minmax(320px, 0.8fr);
  gap: clamp(30px, 6vw, 80px);
  align-items: start;
}

.contact-grid > div p {
  margin-top: 18px;
}

.request-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: clamp(20px, 4vw, 32px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

label {
  display: grid;
  gap: 7px;
  color: #34404c;
  font-size: 13px;
  font-weight: 800;
}

.full-width,
.request-form button,
.form-note {
  grid-column: 1 / -1;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #c5ced8;
  border-radius: 6px;
  padding: 12px;
  background: var(--field);
  color: var(--ink);
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(7, 59, 255, 0.18);
  border-color: var(--brand);
}

.request-form .primary-action {
  width: 100%;
}

.form-note {
  margin: -4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px clamp(20px, 5vw, 72px);
  color: #dce5ef;
  background: #121820;
  font-size: 14px;
}

@media (max-width: 980px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    min-height: 720px;
  }

  .intro-grid,
  .maintenance-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 620px) {
  .site-header {
    position: static;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 14px 20px;
  }

  .hero {
    min-height: 640px;
    background:
      linear-gradient(180deg, rgba(13, 18, 26, 0.88), rgba(13, 18, 26, 0.62)),
      url("assets/site-background.png") center/cover;
  }

  .hero-actions,
  .primary-action,
  .secondary-action {
    width: 100%;
  }

  .service-grid,
  .request-form {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: 0;
  }
}