:root {
  --color-bg: #f7f9fc;
  --color-surface: #ffffff;
  --color-text: #111322;
  --color-muted: #5b6072;
  --color-accent: #4b6bff;
  --color-accent-strong: #1e40ff;
  --color-border: rgba(34, 44, 82, 0.12);
  --color-highlight: #e8ecff;
  --color-success: #2db47c;
  --color-warning: #f5a623;
  --shadow-lg: 0 28px 80px rgba(15, 23, 42, 0.18);
  --shadow-md: 0 16px 40px rgba(15, 23, 42, 0.12);
  --shadow-sm: 0 6px 18px rgba(15, 23, 42, 0.08);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --transition: 200ms ease;
}

[data-theme="dark"] {
  --color-bg: #0d111f;
  --color-surface: #12172a;
  --color-text: #f6f7fb;
  --color-muted: #b7bdd4;
  --color-accent: #6e8dff;
  --color-accent-strong: #92a8ff;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-highlight: rgba(110, 141, 255, 0.12);
  --shadow-lg: 0 24px 70px rgba(2, 8, 25, 0.75);
  --shadow-md: 0 14px 32px rgba(2, 8, 25, 0.55);
  --shadow-sm: 0 8px 20px rgba(2, 8, 25, 0.3);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, rgba(75, 107, 255, 0.1), transparent 45%), var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

html.modal-open,
html.modal-open body {
  overflow: hidden;
}

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

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

a:hover,
a:focus {
  text-decoration: underline;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.75rem 1.25rem;
  background: var(--color-accent);
  color: #fff;
  border-radius: 999px;
  transition: top var(--transition);
  z-index: 1000;
}

.skip-link:focus {
  top: 16px;
}

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

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(247, 249, 252, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

[data-theme="dark"] .site-header {
  background: rgba(18, 23, 42, 0.9);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 0;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand-logo {
  display: block;
  height: 40px;
  width: auto;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.95rem;
}

.primary-nav a {
  color: var(--color-muted);
  font-weight: 500;
  position: relative;
}

.primary-nav a::after {
  content: "";
  position: absolute;
  inset: auto 0 -0.4rem;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition);
}

.primary-nav a:focus::after,
.primary-nav a:hover::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.menu-icon {
  position: relative;
}

.menu-icon,
.menu-icon::before,
.menu-icon::after {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}

.menu-icon::before,
.menu-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.menu-icon::before {
  top: -6px;
}

.menu-icon::after {
  top: 6px;
}

.menu-toggle.is-active .menu-icon {
  transform: rotate(45deg);
}

.menu-toggle.is-active .menu-icon::before {
  transform: translateY(6px) rotate(90deg);
}

.menu-toggle.is-active .menu-icon::after {
  opacity: 0;
}

button,
.btn {
  font: inherit;
  cursor: pointer;
  border: none;
  border-radius: 999px;
  padding: 0.75rem 1.4rem;
  font-weight: 600;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}

.btn.is-disabled,
.btn[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.6;
  pointer-events: auto;
}

.btn.is-disabled:hover,
.btn.is-disabled:focus,
.btn[aria-disabled="true"]:hover,
.btn[aria-disabled="true"]:focus {
  transform: none;
  box-shadow: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-strong));
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover,
.btn-primary:focus {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: rgba(75, 107, 255, 0.12);
  color: var(--color-accent-strong);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background: rgba(75, 107, 255, 0.2);
}

.btn-ghost {
  background: transparent;
  color: var(--color-muted);
  border: 1px solid var(--color-border);
}

.btn-ghost:hover,
.btn-ghost:focus {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-ghost:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.checkout-helper {
  margin-top: 0.75rem;
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.4;
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.menu-toggle {
  display: none;
  position: relative;
}

.icon-button:hover,
.icon-button:focus {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.hero {
  padding: 6.5rem 0 4.5rem;
}

.hero-grid {
  display: grid;
  gap: 4rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.5rem, 5vw, 3.6rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-copy p {
  color: var(--color-muted);
  font-size: 1.05rem;
  max-width: 520px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 2rem 0 1.5rem;
}

.trust-badges {
  display: flex;
  gap: 1.5rem;
  padding: 0;
  margin: 0;
  list-style: none;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.trust-badges li {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.trust-badges svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}

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

.hero-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  width: min(420px, 92vw);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.75rem;
}

.pill {
  background: var(--color-highlight);
  color: var(--color-accent);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.85rem;
}

.status {
  color: var(--color-success);
  font-weight: 600;
  font-size: 0.9rem;
}

.hero-card-body {
  display: grid;
  gap: 1rem;
}

.hero-segment {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-weight: 600;
}

.segment-meta {
  color: var(--color-muted);
  font-size: 0.95rem;
}

.hero-snippet {
  font-family: "SFMono-Regular", "JetBrains Mono", "Fira Code", monospace;
  background: rgba(17, 19, 34, 0.08);
  padding: 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--color-text);
}

[data-theme="dark"] .hero-snippet {
  background: rgba(255, 255, 255, 0.05);
}

.hero-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  color: var(--color-success);
  font-weight: 600;
}

.copy-chip {
  background: rgba(45, 180, 124, 0.12);
  color: var(--color-success);
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.85rem;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: auto -40px -60px auto;
  width: 220px;
  height: 220px;
  border-radius: 999px;
  background: radial-gradient(circle at center, rgba(75, 107, 255, 0.28), transparent 60%);
  pointer-events: none;
}

.section {
  padding: 5rem 0;
}

.section-header {
  max-width: 640px;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: clamp(1.9rem, 3vw, 2.8rem);
  margin: 0.75rem 0 0;
}

.section-header p {
  color: var(--color-muted);
}

.eyebrow {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.demo .sandbox {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.sandbox-controls {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  font-weight: 600;
}

.toggle input {
  appearance: none;
  width: 44px;
  height: 24px;
  border-radius: 999px;
  background: rgba(91, 96, 114, 0.28);
  position: relative;
  outline: none;
  transition: background var(--transition);
}

.toggle input:focus-visible {
  box-shadow: 0 0 0 3px rgba(75, 107, 255, 0.35);
}

.toggle input::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  transition: transform var(--transition);
}

.toggle input:checked {
  background: var(--color-accent);
}

.toggle input:checked::after {
  transform: translateX(20px);
}

.toggle .label {
  font-weight: 500;
}

.option-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  background: linear-gradient(150deg, rgba(75, 107, 255, 0.08), transparent 55%), var(--color-surface);
  box-shadow: var(--shadow-md);
  display: grid;
  gap: 1.5rem;
}

.option-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.airline {
  margin: 0;
  font-weight: 700;
  font-size: 1.1rem;
}

.flight-number {
  margin: 0.25rem 0 0;
  color: var(--color-muted);
}

.cabin {
  padding: 0.35rem 0.9rem;
  background: rgba(45, 180, 124, 0.15);
  color: var(--color-success);
  border-radius: 999px;
  font-weight: 600;
}

.time-block {
  display: grid;
  grid-template-columns: repeat(3, minmax(90px, 1fr));
  gap: 1.2rem;
  align-items: center;
  text-align: center;
  font-weight: 600;
}

.time {
  margin: 0;
  font-size: 1.45rem;
}

.airport {
  margin: 0.35rem 0 0;
  color: var(--color-muted);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.duration {
  font-size: 0.95rem;
  color: var(--color-muted);
}

.option-meta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.chip {
  padding: 0.3rem 0.85rem;
  background: rgba(17, 19, 34, 0.07);
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--color-muted);
}

[data-theme="dark"] .chip {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-muted);
}

.option-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.how .steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1.5rem;
}

.how article {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-highlight);
  color: var(--color-accent);
  font-weight: 700;
  margin-bottom: 1rem;
}

.features {
  background: radial-gradient(circle at top right, rgba(75, 107, 255, 0.1), transparent 55%), none;
}

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

.feature-grid article {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.feature-grid h3 {
  margin-top: 0;
}

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

.pricing-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  position: relative;
  display: grid;
  gap: 1.25rem;
}

.pricing-card .price {
  font-size: 2.2rem;
  margin: 0;
  font-weight: 700;
}

.pricing-card .price span {
  font-size: 0.95rem;
  color: var(--color-muted);
  font-weight: 500;
}

.pricing-card ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--color-muted);
  display: grid;
  gap: 0.5rem;
}

.pricing-card.featured {
  border: 2px solid var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-6px);
}

.pricing-card .tag {
  position: absolute;
  top: -14px;
  right: 18px;
  background: var(--color-accent);
  color: #fff;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.faq-grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: start;
}

.faq-list details {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--color-border);
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
}

.faq-list summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list details[open] summary {
  color: var(--color-accent);
}

.faq-list p {
  margin: 0.75rem 0 0;
  color: var(--color-muted);
}

.testimonials {
  display: grid;
  gap: 1.25rem;
}

.testimonials figure {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  margin: 0;
}

.testimonials blockquote {
  margin: 0 0 1rem;
  font-size: 1.05rem;
  font-weight: 600;
}

.site-footer {
  padding: 3.5rem 0 3rem;
  border-top: 1px solid var(--color-border);
  background: rgba(17, 19, 34, 0.04);
}

[data-theme="dark"] .site-footer {
  background: rgba(255, 255, 255, 0.02);
}

.footer-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  align-items: start;
}

.footer-links,
.footer-meta {
  display: grid;
  gap: 0.75rem;
  color: var(--color-muted);
}

.footer-meta a {
  color: var(--color-muted);
}

.modal {
  position: fixed;
  inset: 0;
  display: none;
  place-items: center;
  z-index: 2000;
}

.modal.is-open {
  display: grid;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(13, 17, 31, 0.6);
}

.modal-dialog {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  width: min(520px, 92vw);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  display: grid;
  gap: 1.5rem;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}

.modal-command {
  color: var(--color-muted);
  margin: 0.35rem 0 0;
  font-family: "SFMono-Regular", "JetBrains Mono", "Fira Code", monospace;
  font-size: 0.85rem;
}

.modal-body {
  margin: 0;
  background: rgba(17, 19, 34, 0.08);
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  font-family: "SFMono-Regular", "JetBrains Mono", "Fira Code", monospace;
  font-size: 0.95rem;
  color: var(--color-text);
  max-height: 320px;
  overflow: auto;
  white-space: pre-wrap;
}

[data-theme="dark"] .modal-body {
  background: rgba(255, 255, 255, 0.05);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: grid;
  gap: 0.75rem;
  z-index: 2200;
}

.toast {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.65rem 1.1rem;
  box-shadow: var(--shadow-sm);
  font-weight: 500;
  opacity: 0;
  transform: translateY(12px);
  animation: toast-in 200ms ease forwards;
}

@keyframes toast-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.nav-backdrop {
  display: none;
}

.nav-backdrop.is-active {
  position: fixed;
  inset: 0;
  background: rgba(13, 17, 31, 0.5);
  backdrop-filter: blur(2px);
  z-index: 800;
}

body.nav-open {
  overflow: hidden;
}

@media (max-width: 900px) {
  .primary-nav {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 1.5rem;
    display: none;
    flex-direction: column;
    gap: 1rem;
    min-width: min(280px, 84vw);
    z-index: 900;
  }

  .primary-nav a {
    color: var(--color-text);
    font-weight: 600;
  }

  .primary-nav.is-open {
    display: flex;
  }

  .nav-bar {
    position: relative;
  }

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

  .site-header {
    position: sticky;
  }

  .nav-actions {
    gap: 0.5rem;
  }

  .nav-actions .btn-ghost {
    display: none;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 4.5rem 0 3.5rem;
  }

  .hero-card {
    padding: 1.75rem;
  }

  .option-card {
    padding: 1.5rem;
  }

  .time-block {
    grid-template-columns: repeat(3, minmax(70px, 1fr));
  }

  .nav-actions {
    gap: 0.5rem;
  }

  .nav-actions .btn {
    padding-inline: 1.1rem;
  }

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