:root {
  --ink: #172026;
  --muted-ink: #58636b;
  --line: #d8e0e5;
  --paper: #f7f8f4;
  --white: #ffffff;
  --sky: #2f6f8f;
  --sky-deep: #17485d;
  --sun: #d78a37;
  --clay: #9f4f33;
  --shadow: 0 18px 45px rgba(23, 32, 38, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

img,
svg {
  display: block;
}

a {
  color: inherit;
}

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

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 14px clamp(18px, 4vw, 56px);
  color: var(--white);
  transition: background 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  color: var(--ink);
  background: rgba(247, 248, 244, 0.94);
  box-shadow: 0 1px 0 rgba(23, 32, 38, 0.08);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background:
    linear-gradient(140deg, transparent 47%, currentColor 48% 53%, transparent 54%),
    radial-gradient(circle at 35% 35%, var(--sun), var(--clay) 62%, var(--sky-deep) 63%);
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.45);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 34px);
  font-size: 0.95rem;
  font-weight: 700;
}

.site-nav a {
  text-decoration: none;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid currentColor;
  border-radius: 6px;
  color: inherit;
  background: transparent;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 86vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--white);
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(9, 19, 26, 0.78) 0%, rgba(9, 19, 26, 0.45) 42%, rgba(9, 19, 26, 0.08) 82%),
    linear-gradient(0deg, rgba(9, 19, 26, 0.42) 0%, rgba(9, 19, 26, 0) 38%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, calc(100% - 36px));
  margin-left: clamp(18px, 7vw, 96px);
  padding-top: 72px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--sun);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 10ch;
  margin: 0;
  font-size: clamp(4.25rem, 12vw, 9.5rem);
  line-height: 0.88;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.12rem;
}

.hero-copy {
  max-width: 620px;
  margin: 26px 0 0;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.button.primary {
  color: var(--white);
  background: var(--clay);
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.68);
  background: rgba(255, 255, 255, 0.1);
}

.button.outline {
  color: var(--sky-deep);
  border-color: var(--sky);
  background: transparent;
}

.section,
.band {
  padding: clamp(64px, 9vw, 118px) 0;
}

.section-inner {
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
}

.intro {
  background: var(--white);
}

.intro-grid,
.approach-grid,
.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(280px, 1fr);
  gap: clamp(32px, 6vw, 86px);
  align-items: start;
}

.intro-grid > p {
  margin: 34px 0 0;
  color: var(--muted-ink);
  font-size: 1.08rem;
}

.section-heading {
  max-width: 680px;
  margin-bottom: 34px;
}

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

.service-card {
  min-height: 260px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 1px 0 rgba(23, 32, 38, 0.04);
}

.service-card p,
.step p,
.contact-panel p {
  margin: 0;
  color: var(--muted-ink);
}

.aircraft-section {
  background: var(--white);
}

.aircraft-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1fr);
  gap: clamp(32px, 6vw, 86px);
  align-items: start;
}

.aircraft-lede {
  max-width: 560px;
  margin: 22px 0 30px;
  color: var(--muted-ink);
  font-size: 1.08rem;
}

.aircraft-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.aircraft-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.aircraft-facts div {
  min-height: 118px;
  padding: 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fbfcfa;
}

.aircraft-facts span {
  display: block;
  margin-bottom: 10px;
  color: var(--muted-ink);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.aircraft-facts strong {
  font-size: 1.18rem;
}

.icon {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 28px;
  border-radius: 8px;
  color: var(--sky-deep);
  background: #e7f1f2;
}

.icon svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.muted {
  background: #eaf0ee;
}

.steps {
  display: grid;
  gap: 18px;
}

.step {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 18px;
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(23, 32, 38, 0.16);
}

.step span {
  color: var(--clay);
  font-weight: 800;
}

.contact-section {
  background: var(--sky-deep);
  color: var(--white);
}

.contact-panel p {
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 1.08rem;
}

.contact-details {
  display: grid;
  gap: 10px;
  margin-top: 26px;
  color: rgba(255, 255, 255, 0.82);
}

.contact-details a {
  width: fit-content;
  color: var(--white);
  font-weight: 800;
  text-decoration: none;
}

.contact-details address {
  font-style: normal;
}

.contact-form {
  display: grid;
  gap: 14px;
}

.contact-form label {
  display: grid;
  gap: 7px;
  font-weight: 800;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 6px;
  padding: 13px 14px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.09);
  font: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 3px solid rgba(215, 138, 55, 0.45);
  border-color: var(--sun);
}

.contact-form .button {
  width: fit-content;
  border: 0;
}

.site-footer {
  padding: 24px 0;
  color: var(--white);
  background: #111a20;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.95rem;
}

.footer-inner a {
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
}

@media (max-width: 820px) {
  .site-header {
    min-height: 64px;
    padding: 11px 18px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 64px;
    right: 18px;
    left: 18px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--ink);
    background: var(--white);
    box-shadow: var(--shadow);
  }

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

  .site-nav a {
    padding: 13px 10px;
  }

  .hero {
    min-height: 82vh;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(9, 19, 26, 0.82) 0%, rgba(9, 19, 26, 0.52) 66%, rgba(9, 19, 26, 0.18) 100%),
      linear-gradient(0deg, rgba(9, 19, 26, 0.5) 0%, rgba(9, 19, 26, 0) 45%);
  }

  .hero-content {
    width: min(620px, calc(100% - 36px));
    margin: 0 auto;
  }

  h1 {
    font-size: clamp(3.2rem, 18vw, 5.4rem);
  }

  .intro-grid,
  .approach-grid,
  .contact-panel,
  .aircraft-grid,
  .service-grid {
    grid-template-columns: 1fr;
  }

  .intro-grid > p {
    margin-top: 0;
  }

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

  .aircraft-facts {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
  }
}

@media (max-width: 430px) {
  .brand span:last-child {
    max-width: 170px;
  }

  .button {
    width: 100%;
  }
}