:root {
  --bg: #170d14;
  --panel: #25141b;
  --panel-soft: #331a21;
  --text: #fff7ec;
  --muted: #c6a99b;
  --orange: #ee8430;
  --orange-soft: rgba(238, 132, 48, 0.14);
  --line: rgba(255, 247, 236, 0.1);
  --radius: 18px;
  --shadow: 0 18px 42px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 0%, rgba(238, 132, 48, 0.18), transparent 22rem),
    linear-gradient(180deg, #1c0e17, var(--bg));
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

body.menu-open {
  overflow: hidden;
}

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

.site-header,
.hero,
.flight-line,
.calibration,
.pilot,
.play {
  width: min(100% - clamp(28px, 6vw, 96px), 1120px);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 0;
  background: rgba(23, 13, 20, 0.78);
  backdrop-filter: blur(16px);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  font-weight: 900;
  letter-spacing: -0.03em;
}

.logo-mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--orange);
  color: #1d0f15;
  box-shadow: 0 12px 28px rgba(238, 132, 48, 0.18);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(37, 20, 27, 0.86);
}

.site-nav a {
  min-height: 40px;
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 800;
  transition: color 180ms ease, background 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
  background: var(--panel-soft);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.language-switch {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(37, 20, 27, 0.86);
}

.language-switch button {
  min-width: 40px;
  min-height: 32px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 900;
}

.language-switch button:hover,
.language-switch button:focus-visible,
.language-switch button.is-active {
  color: #1d0f15;
  background: var(--orange);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  color: var(--text);
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  border-radius: 999px;
  background: currentColor;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(240px, 0.82fr);
  gap: clamp(14px, 3vw, 30px);
  align-items: start;
  padding: clamp(30px, 5vw, 56px) 0 clamp(18px, 3vw, 30px);
}

.hero-copy,
.score-panel,
.calibration,
.pilot,
.play {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: clamp(20px, 3vw, 32px);
}

.score-panel {
  padding: clamp(20px, 3vw, 30px);
}

.score-panel span,
.eyebrow {
  color: var(--orange);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.score-panel strong {
  display: block;
  margin-block: 22px 12px;
  font-size: clamp(1.8rem, 3.4vw, 3rem);
  line-height: 0.95;
  letter-spacing: -0.07em;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1,
h2 {
  line-height: 0.98;
  letter-spacing: -0.07em;
}

h1 {
  max-width: 760px;
  margin-bottom: 16px;
  font-size: clamp(2.55rem, 5.7vw, 5.25rem);
}

h2 {
  margin-bottom: 12px;
  font-size: clamp(1.8rem, 3.5vw, 3.25rem);
}

h3 {
  margin-bottom: 8px;
  font-size: clamp(1.15rem, 1.9vw, 1.45rem);
}

.eyebrow {
  display: inline-block;
  margin-bottom: 14px;
}

.hero-text,
.score-panel p,
.flight-line p,
.calibration p,
.calibration span,
.play li {
  color: var(--muted);
  font-size: clamp(0.98rem, 1.45vw, 1.08rem);
}

.flight-line {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-block: clamp(16px, 3vw, 30px);
}

.flight-line article {
  min-height: 174px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-soft);
}

.flight-line span {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 18px;
  border-radius: 12px;
  background: var(--orange-soft);
  color: var(--orange);
  font-weight: 900;
}

.calibration,
.pilot,
.play {
  margin-block: clamp(18px, 4vw, 42px);
  padding: clamp(18px, 3vw, 30px);
}

.calibration {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(16px, 3vw, 30px);
  align-items: center;
}

.section-copy {
  max-width: 560px;
}

.calibration-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.calibration-grid article {
  min-height: 132px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel-soft);
}

.calibration-grid strong {
  display: block;
  margin-bottom: 10px;
  color: var(--text);
}

.pilot {
  display: grid;
  grid-template-columns: minmax(0, 0.76fr) minmax(0, 1.24fr);
  gap: clamp(16px, 3vw, 30px);
  align-items: center;
}

.rank-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.rank-list span {
  min-height: 72px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel-soft);
  color: var(--orange);
  font-weight: 900;
}

.play {
  display: grid;
  grid-template-columns: minmax(0, 0.28fr) minmax(0, 0.72fr);
  gap: clamp(16px, 3vw, 30px);
  margin-bottom: clamp(30px, 6vw, 62px);
}

.play ol {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.play li {
  counter-increment: step;
  padding: 12px 15px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel-soft);
}

.play li::before {
  content: counter(step, decimal-leading-zero);
  margin-right: 12px;
  color: var(--orange);
  font-weight: 900;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 500ms ease, transform 500ms ease;
}

[data-reveal].is-visible,
html:not(.js-ready) [data-reveal] {
  opacity: 1;
  transform: none;
}

:focus-visible {
  outline: 3px solid rgba(238, 132, 48, 0.55);
  outline-offset: 4px;
}

@media (max-width: 980px) {
  .hero,
  .calibration,
  .pilot,
  .play {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 760px) {
  .site-header {
    position: relative;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 76px;
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border-radius: 18px;
    background: var(--panel);
    box-shadow: var(--shadow);
  }

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

  .site-nav a {
    width: 100%;
  }
}

@media (max-width: 560px) {
  .site-header,
  .hero,
  .flight-line,
  .calibration,
  .pilot,
  .play {
    width: min(100% - 28px, 1120px);
  }

  h1 {
    font-size: clamp(2.35rem, 11vw, 3.8rem);
  }

  h2 {
    font-size: clamp(1.7rem, 8.8vw, 2.8rem);
  }

  .flight-line,
  .calibration-grid,
  .rank-list {
    grid-template-columns: 1fr;
  }

  .flight-line article,
  .calibration-grid article {
    min-height: auto;
  }
}

@media (max-width: 390px) {
  .site-header,
  .hero,
  .flight-line,
  .calibration,
  .pilot,
  .play {
    width: min(100% - 24px, 1120px);
  }

  .logo span:last-child {
    max-width: 150px;
  }

  .header-actions {
    gap: 6px;
  }

  .language-switch {
    padding: 3px;
  }

  .language-switch button {
    min-width: 34px;
    min-height: 32px;
    font-size: 0.76rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}