:root {
  --navy: #071727;
  --navy-soft: #10283d;
  --blue: #1f70c1;
  --blue-bright: #3693e6;
  --red: #d52b2f;
  --ink: #142333;
  --muted: #607080;
  --line: #dce5ed;
  --surface: #f4f7fa;
  --white: #fff;
  --shadow: 0 20px 60px rgba(7, 23, 39, .12);
  --radius: 22px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { margin: 0; min-width: 320px; line-height: 1.6; }
body, button, input, textarea, select { font: inherit; }
a { color: inherit; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--white);
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.container {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  z-index: 50;
  inset: 0 0 auto;
  height: 78px;
  border-bottom: 1px solid rgba(255, 255, 255, .14);
  color: var(--white);
  background: rgba(7, 23, 39, .88);
  backdrop-filter: blur(18px);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.brand-logo-air {
  width: 54px;
  height: auto;
}
.brand-logo-fermo {
  width: 108px;
  height: auto;
  padding: 4px 7px;
  border-radius: 7px;
  background: var(--white);
}

.main-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.main-nav > a {
  padding: 10px 13px;
  border-radius: 10px;
  color: #dce8f2;
  text-decoration: none;
  font-size: .92rem;
  font-weight: 650;
}
.main-nav > a:hover, .main-nav > a:focus-visible { background: rgba(255,255,255,.1); color: var(--white); }
.nav-cta { border: 1px solid rgba(255,255,255,.3); }

.quick-menu { position: relative; }
.quick-menu summary {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: rgba(255, 255, 255, .12);
  cursor: pointer;
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: .08em;
  list-style: none;
}
.quick-menu summary::-webkit-details-marker { display: none; }
.quick-menu summary:hover, .quick-menu summary:focus-visible { background: var(--blue); }
.quick-panel {
  position: absolute;
  top: 55px;
  right: 0;
  width: 280px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  color: var(--ink);
  background: var(--white);
  box-shadow: var(--shadow);
}
.quick-panel a {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  padding: 16px;
  text-decoration: none;
}
.quick-panel a + a { border-top: 1px solid var(--line); }
.quick-panel a:hover { background: var(--surface); }
.quick-icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 12px;
  color: var(--white);
  background: var(--blue);
}
.quick-panel strong, .quick-panel span { display: block; }
.quick-panel span { color: var(--muted); font-size: .82rem; }

.menu-toggle {
  display: none;
  margin-left: auto;
  border: 0;
  color: var(--white);
  background: transparent;
  font-size: 1.6rem;
}

.hero {
  position: relative;
  min-height: 720px;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
  background: var(--navy);
}
.hero::before {
  position: absolute;
  content: "";
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(5, 17, 29, .94) 0%, rgba(5, 17, 29, .7) 46%, rgba(5, 17, 29, .14) 78%),
    var(--hero-image);
  background-position: center;
  background-size: cover;
}
.hero::after {
  position: absolute;
  content: "";
  inset: auto 0 0;
  height: 180px;
  background: linear-gradient(transparent, rgba(7, 23, 39, .55));
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  padding-block: 180px 105px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 20px;
  color: var(--blue-bright);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.eyebrow::before { width: 34px; height: 2px; content: ""; background: currentColor; }
.hero h1 {
  max-width: 700px;
  margin: 0;
  font-size: clamp(3rem, 7vw, 5.8rem);
  line-height: .98;
  letter-spacing: -.055em;
}
.hero-lead { max-width: 640px; margin: 28px 0 0; color: #d8e4ed; font-size: clamp(1.05rem, 2vw, 1.28rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 12px;
  color: var(--white);
  background: var(--blue);
  text-decoration: none;
  font-weight: 750;
  cursor: pointer;
}
.button:hover { background: #155fa6; transform: translateY(-1px); }
.button.secondary { border-color: rgba(255,255,255,.35); background: rgba(255,255,255,.08); }
.button.light { color: var(--navy); background: var(--white); }
.button:disabled { opacity: .65; cursor: wait; }

.trust-strip { position: relative; z-index: 2; margin-top: -1px; color: var(--white); background: var(--navy); }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.trust-item { padding: 27px 24px; border-left: 1px solid rgba(255,255,255,.12); }
.trust-item:last-child { border-right: 1px solid rgba(255,255,255,.12); }
.trust-item strong { display: block; font-size: 1.05rem; }
.trust-item span { color: #94adc2; font-size: .87rem; }

.philosophy {
  position: relative;
  overflow: hidden;
  padding-block: 120px;
  background:
    radial-gradient(circle at 8% 15%, rgba(54, 147, 230, .11), transparent 32%),
    linear-gradient(135deg, #fff, #f6f9fb);
}
.philosophy::after {
  position: absolute;
  top: -120px;
  right: -90px;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(31, 112, 193, .13);
  border-radius: 50%;
  content: "";
}
.philosophy-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(55px, 9vw, 130px);
  align-items: start;
}
.philosophy blockquote,
.flight-note blockquote {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.3rem, 4.8vw, 4.4rem);
  font-weight: 400;
  line-height: 1.06;
  letter-spacing: -.04em;
}
.value-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 34px 28px; }
.value-grid article { padding-top: 16px; border-top: 1px solid var(--line); }
.value-grid span { color: var(--blue); font-size: .72rem; font-weight: 850; letter-spacing: .12em; }
.value-grid h3 { margin: 8px 0 7px; font-size: 1.12rem; }
.value-grid p { margin: 0; color: var(--muted); font-size: .92rem; }

.flight-note {
  position: relative;
  display: grid;
  min-height: 570px;
  align-items: center;
  overflow: hidden;
  color: var(--navy);
  background-image:
    linear-gradient(90deg, rgba(255,255,255,.95), rgba(255,255,255,.62) 65%, rgba(255,255,255,.2)),
    var(--note-image);
  background-position: center;
  background-size: cover;
}
.flight-note .container { padding-block: 100px; }
.flight-note blockquote { max-width: 850px; }

.section { padding-block: 110px; }
.section.soft { background: var(--surface); }
.section.dark { color: var(--white); background: var(--navy); }
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 48px;
}
.section-head > div { max-width: 720px; }
.section h2 {
  margin: 0;
  font-size: clamp(2.1rem, 4vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -.04em;
}
.section-intro { margin: 18px 0 0; color: var(--muted); font-size: 1.08rem; }
.dark .section-intro { color: #a9bdd0; }

.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.service-card {
  position: relative;
  min-height: 355px;
  overflow: hidden;
  border-radius: var(--radius);
  color: var(--white);
  background: var(--navy-soft);
  box-shadow: var(--shadow);
}
/* <picture> je inline element, preto mu treba dať rozmery obálky, inak by sa
   percentuálna výška obrázka nemala k čomu vztiahnuť. */
.service-card picture { display: block; width: 100%; height: 100%; }
.service-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.service-card:hover img { transform: scale(1.035); }
.service-card::after {
  position: absolute;
  content: "";
  inset: 0;
  background: linear-gradient(transparent 20%, rgba(4, 17, 29, .93));
}
.service-copy { position: absolute; z-index: 1; inset: auto 26px 25px; }
.service-copy span { color: #80bdf2; font-size: .74rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.service-copy h3 { margin: 7px 0 6px; font-size: 1.45rem; }
.service-copy p { margin: 0; color: #c7d7e3; font-size: .92rem; }

.split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(45px, 8vw, 100px); }
.split-media { position: relative; }
.split-media picture { display: block; }
/* height: auto prebíja prezentačný hint z atribútu height, inak by pomer strán
   určoval atribút a nie aspect-ratio. */
.split-media img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow); }
.metric {
  position: absolute;
  right: -24px;
  bottom: -24px;
  width: 180px;
  padding: 22px;
  border-radius: 18px;
  color: var(--white);
  background: var(--blue);
  box-shadow: var(--shadow);
}
.metric strong { display: block; font-size: 2rem; line-height: 1; }
.metric span { font-size: .82rem; }
.check-list { display: grid; gap: 14px; margin: 30px 0 0; padding: 0; list-style: none; }
.check-list li { display: flex; gap: 12px; align-items: start; }
.check-list li::before {
  display: grid;
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  place-items: center;
  border-radius: 50%;
  content: "✓";
  color: var(--blue);
  background: #e2f0fc;
  font-size: .8rem;
  font-weight: 900;
}

.training-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.training-card {
  padding: clamp(28px, 4vw, 45px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 14px 45px rgba(7,23,39,.07);
}
.training-number { color: var(--blue); font-size: .78rem; font-weight: 850; letter-spacing: .12em; }
.training-card h3 { margin: 14px 0 10px; font-size: 1.7rem; }
.training-card p { color: var(--muted); }
.training-card .button { margin-top: 10px; }

.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(45px, 8vw, 100px); }
.contact-list { display: grid; gap: 20px; margin-top: 35px; }
.contact-link { display: flex; gap: 14px; text-decoration: none; }
.contact-link b, .contact-link span { display: block; }
.contact-link span { color: #a9bdd0; font-size: .9rem; }
.contact-icon {
  display: grid;
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 12px;
}

.contact-form {
  padding: clamp(26px, 4vw, 42px);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--white);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 17px; }
.field { display: grid; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: .83rem; font-weight: 750; }
.field input, .field textarea, .field select {
  width: 100%;
  border: 1px solid #cbd7e1;
  border-radius: 11px;
  outline: none;
  padding: 12px 13px;
  color: var(--ink);
  background: var(--white);
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(31,112,193,.12); }
.field textarea { min-height: 145px; resize: vertical; }
.honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-footer { display: flex; align-items: center; gap: 18px; margin-top: 20px; }
.form-status { color: var(--muted); font-size: .9rem; }
.form-status.ok { color: #16714b; }
.form-status.error { color: #b4232b; }

.site-footer { padding-block: 48px; color: #a9bdd0; background: #04101c; }
.footer-grid { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--white); }

@media (max-width: 920px) {
  .menu-toggle { display: block; cursor: pointer; }
  .main-nav {
    position: fixed;
    inset: 78px 0 auto;
    display: none;
    padding: 18px 20px 24px;
    border-top: 1px solid rgba(255,255,255,.1);
    background: var(--navy);
    flex-direction: column;
    align-items: stretch;
  }
  .main-nav.open { display: flex; }
  .main-nav > a { padding: 13px; }
  .quick-menu { margin-left: 0; }
  .quick-panel { right: -52px; }
  .hero { min-height: 660px; }
  .philosophy-grid { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .service-card:last-child { grid-column: 1 / -1; }
  .split, .contact-grid { grid-template-columns: 1fr; }
  .split-media { max-width: 680px; }
  .metric { right: 18px; }
}

@media (max-width: 620px) {
  .container { width: min(100% - 26px, 1180px); }
  .site-header { height: 70px; }
  .main-nav { inset-block-start: 70px; }
  .hero { min-height: 610px; }
  .hero::before { background-image: linear-gradient(0deg, rgba(5,17,29,.96), rgba(5,17,29,.35)), var(--hero-image); background-position: 62% center; }
  .hero-content { padding-block: 145px 70px; }
  .hero h1 { font-size: clamp(2.7rem, 15vw, 4rem); }
  .hero-actions .button { width: 100%; }
  .trust-grid { grid-template-columns: 1fr; padding-block: 10px; }
  .trust-item { padding: 16px 4px; border: 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .trust-item:last-child { border-right: 0; border-bottom: 0; }
  .section { padding-block: 76px; }
  .philosophy { padding-block: 82px; }
  .value-grid { grid-template-columns: 1fr; gap: 24px; }
  .flight-note { min-height: 520px; background-position: 65% center; }
  .section-head { display: block; }
  .service-grid, .training-grid, .form-grid { grid-template-columns: 1fr; }
  .service-card, .service-card:last-child { min-height: 330px; grid-column: auto; }
  .metric { position: relative; right: auto; bottom: auto; width: auto; margin: -30px 16px 0; }
  .field.full { grid-column: auto; }
  .form-footer { align-items: stretch; flex-direction: column; }
  .footer-grid { align-items: flex-start; flex-direction: column; }
}