/* ---------------------------------
   VARIABLES & BASE RESET
----------------------------------*/
:root {
  --clr-primary: #1a1f36;
  --clr-accent: #00aaff;
  --clr-bg: #fdfdff;
  --clr-white: #ffffff;
  --clr-grey: #6e7a8a;
  --ff-base: 'Poppins', sans-serif;
  --ff-heading: 'Space Grotesk', sans-serif;
  --transition: 0.35s ease-in-out;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--ff-base);
  background: var(--clr-bg);
  color: var(--clr-primary);
  line-height: 1.6;
}

/* ---------------------------------
   UTILITY CLASSES
----------------------------------*/
.container {
  width: min(90%, 1200px);
  margin-inline: auto;
}

.btn {
  display: inline-block;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: 0.375rem;
  background: var(--clr-accent);
  color: var(--clr-white);
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
}
.btn:hover {
  background: darken(var(--clr-accent), 5%);
  transform: translateY(-2px);
}

/* ---------------------------------
   TYPOGRAPHY
----------------------------------*/
h1, h2, h3, h4 {
  font-family: var(--ff-heading);
  color: var(--clr-primary);
  line-height: 1.2;
}
h1 { font-size: 2.5rem; margin-bottom: 1rem;     color: white; }
h2 { font-size: 1.875rem; margin-bottom: 1rem; }
h3 { font-size: 1.25rem; margin-bottom: 0.75rem; }
p { margin-bottom: 1rem; color: var(--clr-grey); }

/* ---------------------------------
   NAVIGATION
----------------------------------*/
header {
  position: sticky;
  top: 0;
  background: var(--clr-white);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  z-index: 100;
}
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}
.logo {
  font-family: var(--ff-heading);
  font-size: 1.5rem;
  color: var(--clr-primary);
  text-decoration: none;
}
.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  position: relative;
  font-weight: 500;
  color: var(--clr-primary);
  text-decoration: none;
  padding: 0.25rem 0;
  transition: color var(--transition);
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 0; height: 2px;
  background: var(--clr-accent);
  transition: width var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--clr-accent);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* mobile menu */
.menu-toggle {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
}
@media(max-width: 768px) {
  .nav-links {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--clr-white);
    flex-direction: column;
    width: 220px;
    padding: 1rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transform: translateX(100%);
    transition: transform var(--transition);
  }
  .nav-links.show {
    transform: translateX(0);
  }
  .menu-toggle { display: block; }
}

/* ---------------------------------
   HERO SECTION
----------------------------------*/
.hero {
  position: relative;
  background: url('https://ceoworld.biz/wp-content/uploads/2021/12/Depositphotos_13167501_S.jpg') center/cover no-repeat;
  height: 75vh;
  display: grid;
  place-items: center;
  text-align: center;
      color: white !important;
}
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background: rgba(26,31,54,0.6);
      color: white !important;
}
.hero-content {
  position: relative;
  color: var(--clr-white);
  max-width: 800px;
  animation: fadeInUp 1s ease-out both;
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------------------------------
   FLEET GRID
----------------------------------*/
.section {
  padding: 4rem 0;
}
.section-title {
  text-align: center;
  margin-bottom: 2rem;
}
.fleet {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(280px,1fr));
  gap: 2rem;
}
.card {
  background: var(--clr-white);
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  transition: transform var(--transition);
}
.card:hover {
  transform: translateY(-5px);
}
.card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}
.card-content {
  padding: 1.5rem;
}
.card-content h3 {
  margin-bottom: 0.5rem;
  color: var(--clr-primary);
}
.card-content p {
  color: var(--clr-grey);
  font-size: 0.95rem;
}

/* ---------------------------------
   CTA SECTION
----------------------------------*/
.cta {
  background: var(--clr-primary);
  color: var(--clr-white);
  text-align: center;
  padding: 3rem 1rem;
  border-radius: 0.5rem;
  margin: 4rem auto;
  max-width: 800px;
}
.cta h2 { color: var(--clr-white); margin-bottom: 1rem; }
.cta p { color: var(--clr-white); margin-bottom: 1.5rem; }

/* ---------------------------------
   FOOTER
----------------------------------*/
footer {
  text-align: center;
  padding: 2rem 0;
  font-size: 0.875rem;
  color: var(--clr-grey);
}