:root {
  --kasi-orange: #ff7900;
  --kasi-blue: #005fea;
  --kasi-light-blue: #0098ff;
  --kasi-grey: #e8e8e8;
  --kasi-red: #db0f00;
  --kasi-yellow: #ffc200;
  --kasi-green: #0bb713;
  --text: #1a1a1a;
  --text-muted: #5c5c5c;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 8px 32px rgba(0, 31, 150, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.5;
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.site-header .logo {
  height: 40px;
  width: auto;
}

.site-nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.site-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem 1.5rem 4rem;
  background: linear-gradient(
    105.07deg,
    #033a90 18.93%,
    #0258a4 52.65%,
    #9100ff 92.63%
  );
  color: var(--white);
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  width: 100%;
}

.hero-logo {
  height: 72px;
  width: auto;
  margin-bottom: 1.5rem;
  filter: brightness(0) invert(1);
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 1rem;
}

.hero p {
  font-size: 1.125rem;
  opacity: 0.92;
  margin: 0 0 2rem;
  max-width: 32rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(
    90deg,
    #ff9a4d 0%,
    #ff7900 35%,
    #e85d00 65%,
    #b8440a 100%
  );
  color: var(--white);
  box-shadow: 0 4px 20px rgba(255, 121, 0, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.15);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.hero-visual {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* Sections */
section {
  padding: 4.5rem 1.5rem;
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--kasi-blue);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin: 0 0 0.75rem;
}

.section-desc {
  color: var(--text-muted);
  max-width: 36rem;
  margin: 0 0 2.5rem;
}

/* Roles */
.roles {
  background: var(--kasi-grey);
}

.role-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.role-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow);
  text-align: center;
}

.role-card .material-symbols-outlined {
  font-size: 2.5rem;
  background: linear-gradient(
    90deg,
    #3e65e5 0%,
    #2155d6 33%,
    #005abc 63%,
    #002096 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.role-card h3 {
  margin: 1rem 0 0.5rem;
  font-size: 1.125rem;
}

.role-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Features */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.feature-card {
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--kasi-grey);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  border-color: var(--kasi-light-blue);
  box-shadow: var(--shadow);
}

.feature-card .material-symbols-outlined {
  font-size: 2rem;
  color: var(--kasi-blue);
  margin-bottom: 0.75rem;
}

.feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.feature-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Fleet */
.fleet {
  background: linear-gradient(
    90deg,
    #3e65e5 0%,
    #2155d6 33%,
    #005abc 63%,
    #002096 100%
  );
  color: var(--white);
}

.fleet .section-label,
.fleet .section-desc {
  color: rgba(255, 255, 255, 0.85);
}

.fleet .section-title {
  color: var(--white);
}

.fleet-types {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.fleet-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
}

.fleet-pill .material-symbols-outlined {
  font-size: 1.125rem;
}

.fleet-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.fleet-gallery img {
  border-radius: var(--radius);
  aspect-ratio: 16 / 10;
  object-fit: cover;
  width: 100%;
}

/* CTA */
.cta {
  text-align: center;
  padding: 5rem 1.5rem;
  background: linear-gradient(
    90deg,
    #0ae29f 0%,
    #25ce99 33%,
    #00ba65 63%,
    #009393 100%
  );
  color: var(--white);
}

.cta h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0 0 1rem;
}

.cta p {
  margin: 0 auto 1.5rem;
  max-width: 28rem;
  opacity: 0.95;
}

/* Footer */
.site-footer {
  padding: 2rem 1.5rem;
  background: #0a1628;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.site-footer .logo {
  height: 36px;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.material-symbols-outlined {
  font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;
  vertical-align: middle;
}

@media (max-width: 768px) {
  .site-nav {
    display: none;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-logo {
    margin-left: auto;
    margin-right: auto;
  }

  .hero p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .role-grid {
    grid-template-columns: 1fr;
  }

  .fleet-gallery {
    grid-template-columns: 1fr;
  }
}