:root {
  --color-navy: #0f1f3d;
  --color-navy-dark: #0a162c;
  --color-sky: #5ab0ff;
  --color-sky-light: #d4ecff;
  --color-amber: #ffb75b;
  --color-white: #ffffff;
  --color-slate: #f4f6fa;
  --color-text: #152238;

  --font-body: "Manrope", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --shadow-soft: 0 12px 30px rgba(15, 31, 61, 0.12);
  --transition: 180ms ease-in-out;
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.65;
}

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

.container {
  width: min(1100px, 90vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(15, 31, 61, 0.85);
  backdrop-filter: blur(12px);
  color: var(--color-white);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-amber);
  color: var(--color-navy-dark);
  width: 40px;
  height: 40px;
  border-radius: 12px;
  font-size: 0.95rem;
}

.logo-text {
  display: flex;
  flex-direction: column;
  font-size: 0.8rem;
  line-height: 1.1;
}

.logo-name {
  font-size: 1rem;
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--color-white);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color var(--transition);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--color-amber);
}

.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  padding: 0.25rem;
  cursor: pointer;
}

.menu-line {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-white);
  margin: 5px 0;
  transition: transform var(--transition);
}

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

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(15, 31, 61, 0.85), rgba(10, 22, 44, 0.85)),
    url("pexels-hyundaimotorgroup-19233057.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--color-white);
  padding: clamp(4rem, 8vw, 6rem) 0;
}

.background-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(90, 176, 255, 0.45), transparent 55%),
    radial-gradient(circle at 80% 30%, rgba(255, 183, 91, 0.45), transparent 45%);
  opacity: 0.9;
}

.hero .container {
  position: relative;
  display: grid;
  gap: 2.5rem;
}

.hero-content {
  max-width: 640px;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-sky-light);
  margin-bottom: 1.5rem;
}

.lead {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  padding: 0.9rem 1.75rem;
  border-radius: 999px;
  font-weight: 600;
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
}

.btn.primary {
  background: var(--color-amber);
  color: var(--color-navy-dark);
  box-shadow: var(--shadow-soft);
}

.btn.primary:hover,
.btn.primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 16px 35px rgba(255, 183, 91, 0.25);
}

.btn.secondary {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn.secondary:hover,
.btn.secondary:focus-visible {
  transform: translateY(-2px);
  border-color: var(--color-white);
}

.hero-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.hero-highlights article {
  padding: 1.5rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(6px);
}

.hero-highlights h2 {
  margin-top: 0;
  color: var(--color-white);
  font-size: 1.2rem;
}

section {
  padding: clamp(3rem, 7vw, 5rem) 0;
}

.services {
  background: var(--color-slate);
}

.services h2,
.why-us h2,
.contact h2,
.cta h2 {
  font-size: clamp(1.9rem, 3vw, 2.5rem);
  margin-bottom: 1.5rem;
  color: var(--color-navy-dark);
}

.service-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.service-card {
  background: var(--color-white);
  border-radius: 18px;
  padding: 2rem;
  box-shadow: var(--shadow-soft);
}

.service-card h3 {
  margin-top: 0;
}

.service-card ul {
  margin: 1.5rem 0 0;
  padding-left: 1.05rem;
}

.service-card li + li {
  margin-top: 0.75rem;
}

.service-card strong {
  color: var(--color-navy);
}

.why-us .pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.why-us article {
  border-left: 4px solid var(--color-sky);
  padding: 1.5rem;
  background: var(--color-white);
  border-radius: 12px;
  box-shadow: var(--shadow-soft);
}

.cta {
  background: linear-gradient(110deg, var(--color-navy) 0%, var(--color-sky) 120%);
  color: var(--color-white);
}

.cta .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.cta p {
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
}

.contact .contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.contact h3 {
  margin-bottom: 0.5rem;
  color: var(--color-navy);
}

.contact a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
}

.contact a:hover,
.contact a:focus-visible {
  color: var(--color-amber);
}

.site-footer {
  background: var(--color-navy-dark);
  color: rgba(255, 255, 255, 0.8);
  text-align: center;
  padding: 1.5rem 0;
  font-size: 0.9rem;
}

@media (max-width: 780px) {
  .menu-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    inset: 100% 1rem auto;
    background: rgba(15, 31, 61, 0.98);
    border-radius: 12px;
    box-shadow: var(--shadow-soft);
    transform-origin: top right;
    transform: scaleY(0.7);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }

  .site-nav ul {
    flex-direction: column;
    padding: 1rem;
    gap: 1rem;
  }

  .site-nav.open {
    transform: scaleY(1);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav a {
    font-size: 1rem;
  }

  .cta .container {
    align-items: stretch;
  }
}

@media (max-width: 600px) {
  .hero .container {
    gap: 2rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .service-card {
    padding: 1.75rem;
  }
}