:root {
  color-scheme: dark;
  --background: #08101f;
  --surface: #112237;
  --surface-strong: #1b3350;
  --text: #f5f7fb;
  --text-muted: #9bb3cf;
  --primary: #5dd1ff;
  --primary-dark: #39a7dc;
  --accent: #ffe066;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 24px 72px rgba(0, 0, 0, 0.25);
  font-family: 'Inter', system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  background: radial-gradient(circle at top, rgba(93, 209, 255, 0.14), transparent 30%),
              linear-gradient(180deg, #0b1726 0%, #08101f 100%);
  color: var(--text);
}

body {
  line-height: 1.6;
}

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

button, input, select, textarea {
  font: inherit;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(8, 16, 31, 0.88);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 0.9rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #08101f;
  font-weight: 800;
}
.brand-logo {
  width: 3rem;
  height: 3rem;
  border-radius: 0.9rem;
}
.brand-name {
  margin: 0;
  font-size: 1.1rem;
}

.main-nav {
  display: flex;
  gap: 1.5rem;
}

.main-nav a, .footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.main-nav a:hover, .footer-links a:hover {
  color: var(--text);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.6rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  text-decoration: none;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #08101f;
  box-shadow: 0 18px 45px rgba(93, 209, 255, 0.18);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.form-message {
  min-height: 1.5rem;
  margin: 0.25rem 0 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.form-message.error {
  color: #ffaeae;
}

.form-message.success {
  color: #c4ffc4;
}

.auth-page {
  padding: 3.5rem 0 5rem;
}

.auth-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 2rem;
  align-items: start;
}

.auth-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1.5rem;
  padding: 2rem;
}

.auth-card h3 {
  margin-bottom: 1rem;
}

.auth-form {
  display: grid;
  gap: 1rem;
}

.auth-form label {
  font-weight: 600;
}

.auth-form input {
  width: 100%;
  padding: 1rem 1.1rem;
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.form-note {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin: 0.75rem 0 0;
}

.auth-intro-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.account-page .account-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 2rem;
}

.account-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section-header {
  max-width: 720px;
  margin-bottom: 3rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--primary);
  margin: 0 0 1rem;
  font-size: 0.8rem;
}

h1, h2, h3, h4 {
  margin: 0;
  color: var(--text);
}

h2 {
  font-size: clamp(2rem, 2.5vw, 3rem);
  line-height: 1.05;
}

p {
  color: var(--text-muted);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
}

.hero-copy {
  max-width: 42rem;
}

.hero-copy h2 {
  margin: 0;
  font-size: clamp(2.5rem, 3vw, 3.7rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0 2.5rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.hero-stats article {
  padding: 1.2rem 1.4rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1.2rem;
  background: rgba(255, 255, 255, 0.03);
}

.hero-stats strong {
  display: block;
  font-size: 1.5rem;
  margin-bottom: 0.4rem;
  color: var(--text);
}

.hero-visual {
  display: grid;
  place-items: center;
}

.hero-card {
  width: 100%;
  min-height: 360px;
  border-radius: 2rem;
  padding: 2rem;
  background: linear-gradient(180deg, rgba(64, 154, 255, 0.16), rgba(14, 34, 62, 0.96));
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.hero-card-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.hero-card-top span {
  color: var(--primary);
  font-weight: 700;
}

.hero-card strong {
  display: block;
  font-size: 1.6rem;
  margin-top: 0.3rem;
}

.hero-card-meta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.hero-card-meta span {
  padding: 0.65rem 1rem;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  color: var(--text);
  font-size: 0.95rem;
}

.service-grid, .fleet-grid, .testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.service-card, .fleet-card, .testimonial-card, .highlight-card, .contact-form, .contact-info {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1.5rem;
  padding: 1.8rem;
}

.service-icon {
  display: inline-flex;
  width: 3rem;
  height: 3rem;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.2rem;
  background: rgba(93, 209, 255, 0.12);
  border-radius: 1rem;
}

.fleet-card {
  overflow: hidden;
}

.fleet-image {
  height: 220px;
  border-radius: 1.2rem;
  margin-bottom: 1.3rem;
  background-size: cover;
  background-position: center;
}

.fleet-image-bus {
  background-image: linear-gradient(135deg, rgba(93, 209, 255, 0.5), rgba(255, 224, 102, 0.4)), url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?auto=format&fit=crop&w=1200&q=80');
}

.fleet-image-van {
  background-image: linear-gradient(135deg, rgba(255, 224, 102, 0.45), rgba(93, 209, 255, 0.4)), url('https://images.unsplash.com/photo-1549924231-f129b911e442?auto=format&fit=crop&w=1200&q=80');
}

.fleet-image-truck {
  background-image: linear-gradient(135deg, rgba(93, 209, 255, 0.5), rgba(255, 224, 102, 0.35)), url('https://images.unsplash.com/photo-1517142089942-ba376ce32a2e?auto=format&fit=crop&w=1200&q=80');
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
}

.about-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: grid;
  gap: 0.9rem;
}

.about-list li {
  padding-left: 1.2rem;
  position: relative;
}

.about-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--primary);
}

.highlight-card {
  margin-bottom: 1.25rem;
}

.highlight-card-alt {
  background: rgba(93, 209, 255, 0.08);
}

.testimonial-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.testimonial-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.testimonial-card p {
  margin: 0;
  color: var(--text);
  line-height: 1.8;
}

.testimonial-card strong {
  color: var(--text);
}

.testimonial-card span {
  color: var(--text-muted);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.contact-form label {
  font-weight: 600;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 1rem 1.1rem;
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.contact-form textarea {
  resize: vertical;
}

.contact-info {
  display: grid;
  gap: 1.5rem;
}

.contact-info h3, .contact-info h4 {
  margin: 0 0 0.5rem;
}

.contact-feature {
  padding: 1.1rem 1.3rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 1.4rem;
}

.site-footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* Mobile Menu Toggle Button */
.mobile-menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  z-index: 21;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: transform 0.3s ease, opacity 0.3s ease;
  display: block;
}

/* Hamburger Icon Morph Animation */
.mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Main Navigation Menu Container */
#main-nav-menu {
  display: contents;
}

@media (max-width: 960px) {
  .hero-grid, .about-grid, .contact-grid {
    grid-template-columns: 1fr;
  }

  .service-grid, .fleet-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .site-header {
    padding: 0.75rem 0;
  }

  .header-inner {
    flex-wrap: wrap;
    align-items: center;
  }

  .brand {
    flex: 1;
    min-width: 0;
    order: 1;
  }

  .brand-name {
    font-size: 1rem;
    line-height: 1.2;
  }

  .brand p {
    font-size: 0.9rem;
    margin: 0.25rem 0 0;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  #main-nav-menu {
    display: none;
    width: 100%;
    order: 3;
  }

  #main-nav-menu.open {
    display: block;
    animation: slideDown 0.3s ease-out;
  }

  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .main-nav {
    flex-direction: column;
    gap: 0;
    width: 100%;
    background: rgba(17, 34, 55, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0.75rem;
    overflow: hidden;
    margin-top: 0.5rem;
  }

  .main-nav a {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    display: block;
  }

  .main-nav a:last-child {
    border-bottom: none;
  }

  .main-nav a:hover {
    background: rgba(93, 209, 255, 0.1);
  }

  .header-actions {
    order: 2;
    width: 100%;
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    flex-wrap: wrap;
  }

  .header-actions .button {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    flex: 1 1 auto;
    min-width: 120px;
  }

  .section {
    padding: 3rem 0;
  }

  .section-header {
    width: 100%;
    max-width: 100%;
    margin-bottom: 2rem;
    padding: 0 0.5rem;
  }

  .section-header h2 {
    font-size: clamp(2rem, 5vw, 2.5rem);
  }

  .section-header p,
  .eyebrow {
    font-size: 0.95rem;
  }

  .auth-grid,
  .account-page .account-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .auth-card {
    padding: 1.5rem;
  }

  .service-grid,
  .fleet-grid,
  .testimonial-grid,
  .hero-stats {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}