:root {
  color-scheme: dark;
  --color-primary: #ff4b1f;
  --color-primary-hover: #ff643e;
  --color-on-primary: #070918;
  --color-background: #070918;
  --color-surface: #0e1128;
  --color-surface-high: #151935;
  --color-foreground: #f7f8fc;
  --color-muted: #abb2c8;
  --color-border: rgba(222, 226, 244, 0.16);
  --color-ring: #ff8b70;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --container: 1180px;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --transition: 200ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    var(--color-background);
  background-size: 48px 48px;
  color: var(--color-foreground);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
}

button,
a {
  touch-action: manipulation;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 1000;
  padding: 0.8rem 1rem;
  transform: translateY(-160%);
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-weight: 800;
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid var(--color-ring);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: rgba(7, 9, 24, 0.88);
  transition: border-color var(--transition), background var(--transition);
}

.site-header.is-scrolled {
  border-color: var(--color-border);
  background: rgba(7, 9, 24, 0.97);
}

.nav-shell,
.section-shell,
.hero-grid,
.briefing-strip,
.download-grid,
.site-footer {
  width: min(calc(100% - 2rem), var(--container));
  margin-inline: auto;
}

.nav-shell {
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.brand {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  gap: 0.75rem;
  font-size: 1rem;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-decoration: none;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
}

.brand-dot {
  color: var(--color-primary);
}

.desktop-nav {
  display: none;
  margin-left: auto;
  align-items: center;
  gap: var(--space-xl);
}

.desktop-nav a,
.footer-links a {
  position: relative;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--color-muted);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color var(--transition);
}

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

.nav-cta {
  min-height: 44px;
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1rem;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
  transition: background var(--transition), color var(--transition);
}

.nav-cta:hover {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.hero {
  padding-top: clamp(2rem, 6vw, 5.5rem);
}

.hero-grid {
  display: grid;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.eyebrow,
.kicker {
  margin: 0 0 var(--space-md);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.status-light {
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  border-radius: 50%;
  background: #55d88b;
  box-shadow: 0 0 0 5px rgba(85, 216, 139, 0.1);
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.05;
}

h1 {
  max-width: 720px;
  margin-bottom: var(--space-lg);
  font-size: clamp(2.75rem, 9vw, 6.6rem);
  letter-spacing: -0.055em;
}

h1 span {
  display: block;
  color: var(--color-primary);
}

.hero-lede {
  max-width: 650px;
  margin: 0 0 var(--space-xl);
  color: #d2d6e5;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.65;
}

.store-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.store-link {
  min-width: 44px;
  min-height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  text-decoration: none;
  transition: transform var(--transition), filter var(--transition), border-color var(--transition);
}

.store-link img {
  width: auto;
  height: 52px;
}

.store-link:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.store-link:focus-visible {
  border-color: var(--color-ring);
}

.price-note {
  margin: 0.85rem 0 0;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.73rem;
}

.hero-visual {
  position: relative;
  margin: 0;
}

.visual-frame {
  position: relative;
  max-height: 690px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: 28px 28px 0 rgba(255, 75, 31, 0.08);
}

.visual-frame::before,
.visual-frame::after {
  content: "";
  position: absolute;
  z-index: 2;
  pointer-events: none;
}

.visual-frame::before {
  inset: 0;
  background: linear-gradient(180deg, transparent 65%, #090b1e 100%);
}

.visual-frame::after {
  top: 1rem;
  right: 1rem;
  width: 42px;
  height: 42px;
  border-top: 2px solid var(--color-primary);
  border-right: 2px solid var(--color-primary);
}

.visual-frame img {
  width: 100%;
  height: auto;
}

.hero-visual figcaption {
  position: relative;
  z-index: 3;
  margin: -2.75rem 1rem 0;
  padding: 1rem;
  display: grid;
  border-left: 3px solid var(--color-primary);
  background: var(--color-background);
}

.hero-visual figcaption span {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-visual figcaption strong {
  font-size: 0.95rem;
}

.briefing-strip {
  margin-top: clamp(3.5rem, 8vw, 7rem);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.briefing-title {
  padding: 1.1rem 0;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.briefing-title span {
  color: var(--color-primary);
}

.briefing-strip ol {
  margin: 0;
  padding: 0;
  display: grid;
  list-style: none;
}

.briefing-strip li {
  position: relative;
  min-height: 112px;
  padding: 1.25rem 0;
  display: grid;
  grid-template-columns: 38px 1fr;
  align-content: center;
  border-bottom: 1px solid var(--color-border);
}

.briefing-strip li:last-child {
  border-bottom: 0;
}

.briefing-strip li>span {
  grid-row: 1 / 3;
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 1.4rem;
}

.briefing-strip li strong {
  font-size: 1.35rem;
  letter-spacing: 0.12em;
}

.briefing-strip li small {
  color: var(--color-muted);
  font-size: 0.92rem;
}

.translator {
  padding-block: clamp(5rem, 11vw, 9rem);
  display: grid;
  gap: var(--space-2xl);
}

.section-index {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  font-family: var(--font-mono);
}

.section-index span {
  color: var(--color-primary);
  font-size: 2rem;
  line-height: 1;
}

.section-index p {
  margin: 0;
  padding-top: 0.2rem;
  color: var(--color-muted);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.translator-copy h2,
.features-heading h2,
.proof-copy h2,
.download-copy h2 {
  max-width: 760px;
  margin-bottom: var(--space-lg);
  font-size: clamp(2.25rem, 7vw, 5rem);
  letter-spacing: -0.045em;
}

.translator-copy>p:last-child,
.features-heading>p:last-child,
.download-copy>p:last-child {
  max-width: 630px;
  margin: 0;
  color: var(--color-muted);
  font-size: 1.08rem;
}

.metar-demo {
  align-self: end;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  background: var(--color-surface);
}

.metar-heading {
  min-height: 48px;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.live-label {
  padding: 0.2rem 0.45rem;
  background: rgba(255, 75, 31, 0.15);
  color: var(--color-primary);
}

.metar-demo code {
  padding: clamp(1.25rem, 5vw, 2.5rem);
  display: block;
  color: #f8f8fc;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3vw, 1.45rem);
  font-variant-numeric: tabular-nums;
  line-height: 1.8;
}

.metar-demo>p {
  margin: 0;
  padding: 1rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 0.78rem;
}

.features {
  position: relative;
  padding-block: clamp(5rem, 11vw, 9rem);
  overflow: hidden;
  border-block: 1px solid var(--color-border);
  background: #f2f1ed;
  color: #111325;
}

.features::after {
  content: "METAR";
  position: absolute;
  right: -0.04em;
  bottom: -0.29em;
  z-index: 0;
  color: rgba(17, 19, 37, 0.035);
  font-size: clamp(8rem, 28vw, 28rem);
  font-weight: 900;
  letter-spacing: -0.08em;
  pointer-events: none;
}

.features .section-shell {
  position: relative;
  z-index: 1;
}

.features-heading {
  margin-bottom: clamp(3rem, 7vw, 6rem);
}

.features-heading .kicker {
  color: #bf3515;
}

.features-heading>p:last-child {
  color: #565b6e;
}

.feature-list {
  margin: 0;
  padding: 0;
  border-top: 2px solid #17192a;
  list-style: none;
}

.feature-list li {
  min-height: 150px;
  padding: 1.5rem 0;
  display: grid;
  grid-template-columns: 42px 1fr 36px;
  gap: 1rem;
  align-items: center;
  border-bottom: 1px solid rgba(17, 19, 37, 0.25);
}

.feature-number {
  align-self: start;
  padding-top: 0.4rem;
  color: #bf3515;
  font-family: var(--font-mono);
  font-size: 1.5rem;
}

.feature-list h3 {
  margin-bottom: 0.55rem;
  font-size: clamp(1.45rem, 4vw, 2.2rem);
}

.feature-list p {
  max-width: 630px;
  margin: 0;
  color: #565b6e;
}

.feature-list svg {
  width: 30px;
  height: 30px;
  fill: none;
  stroke: #bf3515;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.proof {
  padding-block: clamp(5rem, 11vw, 9rem);
  display: grid;
  gap: clamp(2.5rem, 7vw, 6rem);
  align-items: center;
}

.proof-image {
  position: relative;
  max-height: 650px;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.proof-image::after {
  content: "PRODUCT VIEW";
  position: absolute;
  right: 0;
  bottom: 0;
  padding: 0.6rem 0.8rem;
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.proof-image img {
  width: 100%;
  height: auto;
}

.proof-points {
  margin-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.proof-points div {
  padding-block: 1.15rem;
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

.proof-points span {
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 1.25rem;
}

.proof-points p {
  margin: 0;
  color: var(--color-muted);
}

.proof-points strong {
  color: var(--color-foreground);
}

.compatibility {
  margin: var(--space-lg) 0 0;
  color: var(--color-muted);
  font-size: 0.78rem;
}

.download {
  position: relative;
  overflow: hidden;
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.download-track {
  width: max-content;
  padding-block: 0.55rem;
  transform: translateX(-3rem);
  border-bottom: 1px solid rgba(7, 9, 24, 0.35);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  white-space: nowrap;
}

.download-grid {
  padding-block: clamp(4rem, 9vw, 7rem);
  display: grid;
  gap: var(--space-2xl);
  align-items: end;
}

.download .kicker {
  color: #43140a;
}

.download-copy h2 {
  margin-bottom: var(--space-lg);
}

.download-copy>p:last-child {
  color: #421d18;
}

.download-actions {
  display: grid;
  gap: 0.6rem;
  justify-items: start;
}

.download-actions .store-link {
  border-color: rgba(7, 9, 24, 0.18);
}

.download-actions>span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
}

.site-footer {
  min-height: 280px;
  padding-block: var(--space-2xl);
  display: grid;
  gap: var(--space-xl);
  align-content: start;
}

.footer-brand {
  margin-bottom: 0.75rem;
}

.site-footer p {
  margin: 0;
  color: var(--color-muted);
}

.footer-links {
  display: grid;
  gap: 0.25rem;
  align-content: start;
  color: var(--color-muted);
}

.footer-links span {
  min-height: 44px;
  display: flex;
  align-items: center;
  font-size: 0.86rem;
}

.reveal {
  opacity: 1;
  transform: none;
}

.js-ready .reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 350ms ease-out, transform 350ms ease-out;
}

.js-ready .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 680px) {
  .briefing-strip ol {
    grid-template-columns: repeat(2, 1fr);
  }

  .briefing-strip li:nth-child(odd) {
    padding-right: var(--space-lg);
    border-right: 1px solid var(--color-border);
  }

  .briefing-strip li:nth-child(even) {
    padding-left: var(--space-lg);
  }

  .briefing-strip li:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .download-actions {
    grid-template-columns: repeat(2, max-content);
    align-items: center;
  }

  .download-actions>span {
    grid-column: 1 / -1;
  }

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

@media (min-width: 820px) {
  .desktop-nav {
    display: flex;
  }

  .nav-cta {
    margin-left: 0;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.72fr);
  }

  .hero-visual {
    margin-top: -1rem;
  }

  .briefing-strip ol {
    grid-template-columns: repeat(4, 1fr);
  }

  .briefing-strip li,
  .briefing-strip li:nth-child(even),
  .briefing-strip li:nth-child(odd) {
    padding: 1.35rem;
    border-right: 1px solid var(--color-border);
    border-bottom: 0;
  }

  .briefing-strip li:first-child {
    padding-left: 0;
  }

  .briefing-strip li:last-child {
    border-right: 0;
  }

  .translator {
    grid-template-columns: 0.35fr 1fr 1.05fr;
    align-items: start;
  }

  .feature-list li {
    grid-template-columns: 70px minmax(0, 1fr) 48px;
  }

  .proof {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 0.85fr);
  }

  .download-grid {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 1100px) {
  .hero-copy {
    padding-bottom: 2rem;
  }

  .features .section-shell {
    display: grid;
    grid-template-columns: 0.75fr 1fr;
    gap: clamp(4rem, 9vw, 8rem);
    align-items: start;
  }

  .features-heading {
    position: sticky;
    top: 8rem;
    margin-bottom: 0;
  }

  .site-footer {
    padding-block: var(--space-3xl);
  }
}

@media (max-width: 480px) {

  .nav-shell,
  .section-shell,
  .hero-grid,
  .briefing-strip,
  .download-grid,
  .site-footer {
    width: min(calc(100% - 1.25rem), var(--container));
  }

  .brand {
    letter-spacing: 0.08em;
  }

  .nav-cta {
    padding-inline: 0.7rem;
    font-size: 0.72rem;
  }

  .store-links,
  .download-actions {
    width: 100%;
  }

  .store-link {
    max-width: 100%;
  }

  .store-link img {
    max-width: 100%;
    height: 52px;
  }

  .hero-visual figcaption {
    margin-inline: 0.65rem;
  }

  .feature-list li {
    grid-template-columns: 32px 1fr;
  }

  .feature-list svg {
    grid-column: 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .js-ready .reveal {
    opacity: 1;
    transform: none;
  }
}