* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: #222;
  background-color: #f8f9fb;
  line-height: 1.6;
}

/* Header */

.header {
  background-color: #ffffff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar {
  max-width: 1100px;
  height: 80px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  width: 170px;
  height: 80px;
  position: relative;
  z-index: 120;
}

.logo img {
  height: 105px;
  width: auto;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: auto;
}

.nav-links a {
  text-decoration: none;
  color: #333;
  font-size: 15px;
  font-weight: 600;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: #0b3d91;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 34px;
  color: #0b3d91;
  cursor: pointer;
  z-index: 120;
}

/* Hero */

.hero {
  min-height: 80vh;
  background:
    linear-gradient(rgba(11, 61, 145, 0.78), rgba(11, 61, 145, 0.78)),
    url(./img/hero.jpeg);
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  padding: 60px 24px;
}

.hero-content {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  color: #ffffff;
}

.hero h1 {
  max-width: 750px;
  font-size: 48px;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero p {
  max-width: 620px;
  font-size: 18px;
  margin-bottom: 30px;
}

.btn {
  display: inline-block;
  background-color: #ffb703;
  color: #111;
  padding: 14px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: 0.3s ease;
}

.btn:hover {
  background-color: #f4a300;
  transform: translateY(-2px);
}

/* Sections */

.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 24px;
  text-align: center;
}

.section h2 {
  font-size: 34px;
  color: #0b3d91;
  margin-bottom: 16px;
}

.section-description {
  max-width: 650px;
  margin: 0 auto 40px;
  color: #555;
}

.section-content {
  max-width: 850px;
  margin: 0 auto;
}

.section-content p {
  margin-bottom: 18px;
  color: #555;
}

/* Info general */

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  text-align: left;
  margin-top: 30px;
}

.info-item {
  background-color: #ffffff;
  padding: 24px;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.info-item h3 {
  color: #0b3d91;
  margin-bottom: 8px;
}

.info-item p {
  color: #555;
}

/* Cards */

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px;
}

.card {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  text-align: left;
}

.card h3 {
  color: #0b3d91;
  margin-bottom: 12px;
}

.card p {
  color: #555;
}

.card ul {
  padding-left: 20px;
  color: #555;
}

.card li {
  margin-bottom: 8px;
}

/* Blocks */

.about,
.fleet,
.compliance {
  background-color: #ffffff;
  max-width: 100%;
}

.about .section-content,
.fleet .section-content,
.compliance .section-content {
  max-width: 900px;
}

/* Materials */

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-top: 30px;
}

.tags span {
  background-color: #ffffff;
  color: #0b3d91;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: bold;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}

/* Fleet */

.two-columns {
  grid-template-columns: repeat(2, 1fr);
  margin: 36px 0;
}

/* Clients */

.client-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 30px;
}

.client-list span {
  background-color: #ffffff;
  padding: 24px 18px;
  border-radius: 14px;
  font-weight: bold;
  color: #0b3d91;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

/* Contact */

.contact-box {
  background-color: #ffffff;
  max-width: 600px;
  margin: 30px auto;
  padding: 24px;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  text-align: left;
}

.contact-box p {
  margin-bottom: 10px;
}

/* Footer */

.footer {
  background-color: #0b3d91;
  color: #ffffff;
  text-align: center;
  padding: 24px;
}

/* Responsive tablet */

@media (max-width: 900px) {
  .nav-links {
    gap: 14px;
  }

  .nav-links a {
    font-size: 14px;
  }

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

  .client-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Responsive mobile */

@media (max-width: 768px) {
  html {
    scroll-padding-top: 75px;
  }

  .navbar {
    height: 75px;
    padding: 0 20px;
  }

  .logo {
    width: 140px;
    height: 75px;
  }

  .logo img {
    height: 90px;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 75px;
    left: 0;
    width: 100%;
    background-color: #ffffff;
    flex-direction: column;
    align-items: center;
    gap: 0;
    padding: 12px 0;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    display: none;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links li {
    width: 100%;
    text-align: center;
  }

  .nav-links a {
    display: block;
    width: 100%;
    padding: 14px 0;
    font-size: 16px;
  }

  .nav-links a:hover {
    background-color: #f2f4f8;
  }

  .hero {
    min-height: 70vh;
    text-align: center;
    padding: 60px 20px;
  }

  .hero h1 {
    font-size: 34px;
  }

  .hero p {
    font-size: 16px;
  }

  .section {
    padding: 60px 20px;
  }

  .section h2 {
    font-size: 28px;
  }

  .info-grid,
  .cards,
  .two-columns,
  .client-list {
    grid-template-columns: 1fr;
  }

  .card,
  .info-item,
  .contact-box {
    padding: 24px;
  }
}

/* Responsive very small */

@media (max-width: 420px) {
  .hero h1 {
    font-size: 30px;
  }

  .logo {
    width: 120px;
  }

  .logo img {
    height: 78px;
  }

  .menu-toggle {
    font-size: 30px;
  }

  .btn {
    width: 100%;
    text-align: center;
  }
}