:root {
  --bg-top: #050709;
  --bg-mid: #0b1117;
  --bg-bottom: #121820;
  --panel: rgba(12, 17, 23, 0.82);
  --panel-strong: rgba(16, 23, 31, 0.96);
  --panel-soft: rgba(17, 26, 36, 0.72);
  --border: rgba(132, 163, 190, 0.22);
  --border-strong: rgba(122, 208, 255, 0.45);
  --text: #f5fbff;
  --text-soft: #bfd0dc;
  --text-muted: #88a0b2;
  --accent: #7de2ff;
  --accent-strong: #b7f4ff;
  --accent-deep: #1b3440;
  --danger: #ff8b9b;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --content: 1140px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", "Avenir Next", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(125, 226, 255, 0.12), transparent 26%),
    radial-gradient(circle at top right, rgba(75, 121, 255, 0.12), transparent 28%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-mid) 44%, var(--bg-bottom) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: linear-gradient(180deg, rgba(255, 255, 255, 0.88), transparent 78%);
  pointer-events: none;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 20% 12%, rgba(125, 226, 255, 0.16), transparent 22%),
    radial-gradient(circle at 84% 0%, rgba(98, 214, 255, 0.12), transparent 22%);
  filter: blur(32px);
  pointer-events: none;
}

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

code {
  padding: 0.12rem 0.4rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--accent-strong);
  font-family: "Space Grotesk", "Avenir Next", sans-serif;
  font-size: 0.88em;
}

img {
  max-width: 100%;
}

.shell {
  width: min(var(--content), calc(100vw - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(6, 9, 13, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 80px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: "Space Grotesk", "Avenir Next", sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--text-soft);
  font-size: 0.95rem;
  font-weight: 600;
  transition: color 160ms ease, background 160ms ease, transform 160ms ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.nav-link[aria-current="page"] {
  color: var(--text);
  background: rgba(125, 226, 255, 0.12);
  box-shadow: inset 0 0 0 1px rgba(125, 226, 255, 0.22);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 0;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.menu-toggle svg {
  width: 22px;
  height: 22px;
}

.button,
.button-secondary,
.button-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease,
    background 160ms ease;
}

.button:hover,
.button-secondary:hover,
.button-ghost:hover,
.button:focus-visible,
.button-secondary:focus-visible,
.button-ghost:focus-visible {
  transform: translateY(-1px);
}

.button {
  color: #051117;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  box-shadow: 0 18px 34px rgba(125, 226, 255, 0.22);
}

.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.button-ghost {
  color: var(--accent);
  border: 1px solid rgba(125, 226, 255, 0.28);
  background: rgba(125, 226, 255, 0.08);
}

.hero {
  padding: 76px 0 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 28px;
  align-items: start;
}

.hero-copy,
.hero-panel,
.page-hero,
.page-card,
.feature-card,
.info-card,
.tier-card,
.legal-shell,
.support-card,
.airframe-card,
.cta-band,
.notfound-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(16, 24, 33, 0.9), rgba(10, 15, 21, 0.96));
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 48px;
}

.hero-copy h1 {
  max-width: 13ch;
  font-size: clamp(2.9rem, 5.2vw, 4.75rem);
  letter-spacing: -0.055em;
}

.hero-panel {
  padding: 30px;
  background:
    radial-gradient(circle at top right, rgba(125, 226, 255, 0.18), transparent 28%),
    linear-gradient(180deg, rgba(13, 21, 29, 0.98), rgba(8, 13, 19, 0.98));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: rgba(183, 244, 255, 0.56);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Space Grotesk", "Avenir Next", sans-serif;
  line-height: 1.02;
}

h1 {
  font-size: clamp(2.8rem, 7vw, 5.6rem);
  letter-spacing: -0.05em;
}

.hero-copy p,
.page-hero p,
.legal-shell p,
.legal-shell li,
.feature-card p,
.info-card p,
.support-card p,
.airframe-card p,
.airframe-card li {
  color: var(--text-soft);
  line-height: 1.65;
}

.hero-copy .lead,
.page-hero .lead {
  max-width: 58ch;
  margin: 18px 0 0;
  font-size: 1.08rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.store-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.store-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 56px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(18, 24, 31, 0.96), rgba(7, 11, 15, 0.98));
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 700;
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.24);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.store-link:hover,
.store-link:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(125, 226, 255, 0.28);
  box-shadow: 0 20px 38px rgba(0, 0, 0, 0.3);
}

.store-link-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
}

.store-link-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.store-link small {
  display: block;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.store-link-label {
  display: block;
  line-height: 1.15;
}

.signal-list,
.metric-list,
.stack-list,
.legal-list,
.airframe-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.signal-list {
  display: grid;
  gap: 14px;
}

.signal-list li,
.metric-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  color: var(--text-soft);
}

.signal-list strong,
.metric-list strong {
  display: block;
  color: var(--text);
  font-family: "Space Grotesk", "Avenir Next", sans-serif;
  font-size: 1rem;
}

.signal-index,
.metric-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: rgba(125, 226, 255, 0.12);
  border: 1px solid rgba(125, 226, 255, 0.18);
  color: var(--accent-strong);
  font-family: "Space Grotesk", "Avenir Next", sans-serif;
  font-weight: 700;
}

.hero-panel .panel-label,
.page-card .panel-label {
  margin: 0 0 16px;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-panel .metric-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.metric-card {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.metric-card strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
  font-family: "Space Grotesk", "Avenir Next", sans-serif;
  font-size: 1.4rem;
}

.section {
  padding: 26px 0 24px;
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.04em;
}

.section-heading p {
  max-width: 62ch;
  margin: 0;
  color: var(--text-soft);
  line-height: 1.65;
}

.feature-grid,
.info-grid,
.pricing-grid,
.airframe-grid,
.support-grid {
  display: grid;
  gap: 18px;
}

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

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

.pricing-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.info-card,
.support-card,
.tier-card,
.airframe-card {
  padding: 26px;
}

.card-tag,
.pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(125, 226, 255, 0.1);
  color: var(--accent-strong);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.feature-card h3,
.info-card h3,
.support-card h3,
.tier-card h3,
.airframe-card h3,
.page-card h3 {
  margin-top: 18px;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.feature-card p,
.info-card p,
.support-card p,
.airframe-card p,
.page-card p {
  margin: 14px 0 0;
}

.airframe-group + .airframe-group {
  margin-top: 20px;
}

.airframe-group h4 {
  margin: 14px 0 0;
  color: var(--text);
  font-family: "Space Grotesk", "Avenir Next", sans-serif;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.airframe-group .airframe-list {
  margin-top: 12px;
}

.page-main {
  padding: 56px 0 28px;
}

.page-hero {
  padding: 42px;
  margin-bottom: 24px;
}

.page-hero h1 {
  max-width: 14ch;
  font-size: clamp(2.5rem, 4.8vw, 4.2rem);
  letter-spacing: -0.05em;
}

.pricing-hero h1 {
  max-width: 13ch;
  font-size: clamp(2.5rem, 4.8vw, 4.2rem);
  letter-spacing: -0.05em;
}

.about-hero h1 {
  max-width: 12ch;
}

.support-hero h1 {
  max-width: 11ch;
}

.airframes-hero h1 {
  max-width: 12ch;
}

.page-grid {
  display: grid;
  gap: 18px;
}

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

.page-card {
  padding: 28px;
}

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

.tier-badge {
  position: absolute;
  top: 26px;
  right: 26px;
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(125, 226, 255, 0.18);
  color: var(--accent-strong);
  border: 1px solid rgba(125, 226, 255, 0.3);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tier-card .price {
  margin-top: 18px;
  font-family: "Space Grotesk", "Avenir Next", sans-serif;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.05em;
}

.tier-card .subhead {
  margin-top: 6px;
  color: var(--text-muted);
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.tier-card.highlighted {
  border-color: var(--border-strong);
  background:
    radial-gradient(circle at top right, rgba(125, 226, 255, 0.16), transparent 30%),
    linear-gradient(180deg, rgba(18, 30, 39, 0.95), rgba(8, 14, 20, 0.98));
}

.tier-card .tier-body,
.page-card .stack-list,
.support-card .stack-list,
.airframe-card .airframe-list,
.legal-shell .legal-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.stack-list li,
.legal-list li,
.airframe-list li {
  position: relative;
  padding-left: 18px;
  color: var(--text-soft);
  line-height: 1.6;
}

.stack-list li::before,
.legal-list li::before,
.airframe-list li::before {
  content: "";
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(125, 226, 255, 0.6);
  transform: translateY(-50%);
}

.cta-band {
  margin: 32px 0 56px;
  padding: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background:
    linear-gradient(135deg, rgba(125, 226, 255, 0.12), rgba(125, 226, 255, 0.03)),
    linear-gradient(180deg, rgba(10, 15, 21, 0.94), rgba(8, 13, 19, 0.98));
}

.cta-band h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  letter-spacing: -0.04em;
}

.cta-band p {
  max-width: 50ch;
  margin: 10px 0 0;
  color: var(--text-soft);
  line-height: 1.65;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  width: auto;
}

.cta-actions .button-row {
  margin-top: 0;
  justify-content: flex-end;
}

.legal-shell {
  padding: 34px;
}

.legal-shell h1 {
  font-size: clamp(2.3rem, 5vw, 4rem);
}

.legal-shell .last-updated {
  margin-top: 14px;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.84rem;
}

.legal-section {
  padding-top: 22px;
  margin-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.legal-section h2 {
  font-size: 1.3rem;
  letter-spacing: -0.03em;
}

.legal-section p,
.legal-section ul {
  margin: 14px 0 0;
}

.legal-copy {
  margin: 24px 0 0;
  color: var(--text-soft);
  font: inherit;
  font-size: 1rem;
  line-height: 1.65;
  white-space: pre-wrap;
}

.site-footer {
  margin-top: 56px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(6, 9, 13, 0.72);
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 0 30px;
}

.footer-copy {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
}

.footer-links a {
  color: var(--text-soft);
  font-size: 0.94rem;
  font-weight: 600;
}

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

[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 500ms ease, transform 500ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal][data-delay="1"] {
  transition-delay: 70ms;
}

[data-reveal][data-delay="2"] {
  transition-delay: 140ms;
}

[data-reveal][data-delay="3"] {
  transition-delay: 210ms;
}

.notfound {
  display: grid;
  place-items: center;
  min-height: calc(100vh - 81px);
  padding: 40px 0 72px;
}

.notfound-card {
  width: min(760px, 100%);
  padding: 42px;
}

.notfound-card .code {
  margin-bottom: 10px;
  color: var(--accent-strong);
  font-family: "Space Grotesk", "Avenir Next", sans-serif;
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.redirect-page {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 32px;
  text-align: center;
}

.redirect-card {
  width: min(560px, 100%);
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(16, 24, 33, 0.94), rgba(10, 15, 21, 0.98));
  box-shadow: var(--shadow);
}

.redirect-card h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
}

.redirect-card p {
  color: var(--text-soft);
  line-height: 1.65;
}

@media (max-width: 980px) {
  .hero-grid,
  .page-grid.two-up,
  .pricing-grid,
  .info-grid,
  .support-grid,
  .airframe-grid {
    grid-template-columns: 1fr;
  }

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

  .cta-band {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-actions {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (max-width: 760px) {
  .shell {
    width: min(calc(100vw - 24px), var(--content));
  }

  .header-row {
    min-height: 72px;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 12px;
    right: 12px;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    background: rgba(10, 15, 21, 0.98);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

  body.menu-open .site-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-links,
  .header-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-link,
  .button,
  .button-secondary,
  .button-ghost {
    width: 100%;
  }

  .hero,
  .page-main {
    padding-top: 36px;
  }

  .hero-copy,
  .hero-panel,
  .page-hero,
  .page-card,
  .feature-card,
  .info-card,
  .support-card,
  .tier-card,
  .airframe-card,
  .cta-band,
  .notfound-card,
  .legal-shell {
    padding: 24px;
    border-radius: 24px;
  }

  .hero-panel .metric-strip {
    grid-template-columns: 1fr;
  }

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

  .cta-actions {
    width: 100%;
  }

  .cta-actions .button-row {
    width: 100%;
    justify-content: stretch;
  }

  .cta-actions .button-row > * {
    flex: 1 1 100%;
  }
}