:root {
  --blue: #207dff;
  --blue-dark: #1559b8;
  --ink: #142033;
  --muted: #5d697c;
  --line: #dce5f2;
  --paper: #ffffff;
  --soft: #f4f8ff;
  --shadow: 0 18px 45px rgba(20, 32, 51, .12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Montserrat, Arial, sans-serif;
  line-height: 1.7;
  background: #fff;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  padding: 10px clamp(18px, 4vw, 64px);
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand img {
  width: 112px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-weight: 600;
}

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

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

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 0;
  background: transparent;
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 6px 0;
  background: var(--ink);
}

.hero {
  min-height: calc(100vh - 74px);
  display: grid;
  align-items: center;
  padding: 92px clamp(20px, 6vw, 96px);
  color: #fff;
  background:
    linear-gradient(90deg, rgba(11, 31, 61, .88), rgba(32, 125, 255, .56)),
    url("../images/airplane-bg.jpg") center/cover;
}

.hero-content {
  max-width: 780px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #cfe4ff;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 20px;
  font-size: clamp(2.35rem, 6vw, 4.8rem);
  line-height: 1.05;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  line-height: 1.15;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.25rem;
  line-height: 1.25;
}

.hero p {
  max-width: 560px;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 22px;
  border: 1px solid var(--blue);
  border-radius: 4px;
  color: #fff;
  background: var(--blue);
  font-weight: 800;
  text-decoration: none;
  transition: transform .2s ease, background .2s ease;
}

.button:hover {
  transform: translateY(-2px);
  background: var(--blue-dark);
}

.button.secondary {
  color: var(--blue);
  background: transparent;
}

.button.light {
  color: var(--blue);
  border-color: #fff;
  background: #fff;
}

.split,
.section,
.contact {
  padding: clamp(58px, 8vw, 104px) clamp(20px, 6vw, 96px);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(32px, 6vw, 80px);
}

.rounded-image {
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.content-block {
  max-width: 680px;
}

.content-block p,
.section-heading p,
.card p,
.step-grid p,
.contact p,
.site-footer p {
  color: var(--muted);
}

.cta-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  padding: clamp(40px, 6vw, 72px) clamp(20px, 6vw, 96px);
  color: #fff;
  background: var(--blue);
}

.cta-band p {
  max-width: 760px;
  margin-bottom: 0;
  color: #eaf3ff;
}

.section-heading {
  max-width: 820px;
  margin: 0 auto 42px;
  text-align: center;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.card,
.step-grid article,
.testimonial-grid blockquote {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 10px 30px rgba(20, 32, 51, .07);
}

.card {
  padding: 28px;
}

.card img {
  width: 86px;
  height: 86px;
  object-fit: contain;
  margin-bottom: 20px;
}

.steps {
  background: var(--soft);
}

.step-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.step-grid article {
  overflow: hidden;
}

.step-grid img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.step-grid span {
  display: block;
  margin: 24px 24px 8px;
  color: var(--blue);
  font-weight: 900;
}

.step-grid h3,
.step-grid p {
  margin-left: 24px;
  margin-right: 24px;
}

.step-grid p {
  margin-bottom: 28px;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.testimonial-grid blockquote {
  margin: 0;
  padding: 28px;
  color: var(--ink);
  font-size: 1.05rem;
}

.testimonial-grid cite {
  display: block;
  margin-top: 18px;
  color: var(--blue);
  font-style: normal;
  font-weight: 800;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  background: #eef5ff;
}

.site-footer {
  padding: 36px clamp(20px, 6vw, 96px);
  text-align: center;
  border-top: 1px solid var(--line);
}

.site-footer img {
  width: 132px;
  margin: 0 auto 18px;
}

.social {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-bottom: 16px;
  font-weight: 700;
}

.social a {
  color: var(--blue);
  text-decoration: none;
}

.whatsapp-float {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  padding: 12px 16px;
  border-radius: 999px;
  color: #fff;
  background: #18a957;
  font-size: .9rem;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 12px 28px rgba(0, 0, 0, .22);
}

@media (max-width: 1080px) {
  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 20px 20px;
    background: #fff;
    border-bottom: 1px solid var(--line);
  }

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

  .site-nav a {
    padding: 12px 0;
  }

  .split,
  .cta-band,
  .contact {
    grid-template-columns: 1fr;
  }

  .cards,
  .step-grid,
  .testimonial-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 680px;
  }

  .cta-band .button,
  .contact .button {
    justify-self: start;
  }
}