/* Dual Aspect — flight-test data card
   One stylesheet for the whole site. No external requests, no web fonts. */

:root {
  --bg: #f7f6f2;
  --text: #1e2a38;
  --accent: #b8442c;
  --accent-2: #2e6f8e;
  --card: #ffffff;
  --rule: 2px solid #1e2a38;
  --hair: 1px solid #c9c6bd;
  --mono: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  --serif: Georgia, "Iowan Old Style", serif;
  --sans: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.62;
  overflow-x: hidden;
}

/* ---------- type ---------- */

h1, h2, h3, h4,
.mono, .tab, .rail h2, .step-indicator, .btn, .nav a, .brand {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

h1 { font-size: 1.7rem; line-height: 1.3; margin: 0 0 0.6em; }
h2 { font-size: 1.12rem; line-height: 1.35; margin: 2.2em 0 0.7em; }
h3 { font-size: 0.95rem; line-height: 1.4; margin: 1.8em 0 0.5em; }
h4 { font-size: 0.84rem; margin: 1.5em 0 0.4em; }

p { margin: 0 0 1.1em; }

a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible,
button:focus-visible { outline: 3px solid var(--accent-2); outline-offset: 2px; }

strong { font-weight: 700; }

.lede { font-size: 1.08rem; }

.small { font-size: 0.92rem; }

.mono-note {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.68rem;
  line-height: 1.5;
}

/* ---------- skip link ---------- */

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--text);
  color: var(--bg);
  padding: 10px 14px;
  z-index: 50;
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.skip:focus { left: 8px; top: 8px; }

/* ---------- header ---------- */

.site-head {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--card);
  border-bottom: var(--rule);
}

.head-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 10px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  justify-content: space-between;
}

.brand {
  font-size: 0.86rem;
  color: var(--text);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.brand .mark {
  display: inline-block;
  border: var(--rule);
  padding: 2px 5px;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
}

.nav ul {
  list-style: none;
  display: flex;
  gap: 18px;
  margin: 0;
  padding: 0;
}
.nav a {
  font-size: 0.72rem;
  color: var(--text);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
}
.nav a:hover,
.nav a[aria-current="page"] { border-bottom-color: var(--accent); }

.menu-btn {
  display: none;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  background: var(--card);
  color: var(--text);
  border: var(--rule);
  border-radius: 0;
  padding: 7px 10px;
  cursor: pointer;
}

/* ---------- layout ---------- */

.wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 28px 18px 10px;
  display: grid;
  grid-template-columns: minmax(0, 600px) 220px;
  gap: 36px;
  align-items: start;
}

main { min-width: 0; }

/* ---------- telemetry rail ---------- */

.rail { position: sticky; top: 76px; }

.readout {
  background: var(--card);
  border: var(--rule);
  padding: 12px 12px 14px;
  margin-bottom: 16px;
}
.readout h2 {
  margin: 0 0 8px;
  font-size: 0.68rem;
  border-bottom: var(--hair);
  padding-bottom: 6px;
}
.readout dl {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.68rem;
  line-height: 1.55;
  letter-spacing: 0.04em;
}
.readout dt {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-2);
  font-size: 0.62rem;
  margin-top: 7px;
}
.readout dd { margin: 0; }
.readout p {
  font-family: var(--mono);
  font-size: 0.66rem;
  line-height: 1.6;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0;
}

/* ---------- hero ---------- */

.hero {
  background: var(--card);
  border: var(--rule);
  padding: 26px 22px 22px 46px;
  position: relative;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(30, 42, 56, 0.04) 0,
    rgba(30, 42, 56, 0.04) 1px,
    transparent 1px,
    transparent 32px
  );
}

.punches {
  position: absolute;
  left: 14px;
  top: 26px;
  bottom: 22px;
  width: 12px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 14px;
}
.punches span {
  display: block;
  width: 10px;
  height: 10px;
  border: 2px solid var(--text);
  border-radius: 50%;
}
.punches span.filled { background: var(--text); }

.hero-kicker {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.68rem;
  color: var(--accent-2);
  margin: 0 0 10px;
}

.profile-svg {
  display: block;
  width: 100%;
  height: auto;
  margin: 18px 0 6px;
  border-top: var(--hair);
  border-bottom: var(--hair);
  padding: 8px 0;
}

/* ---------- data-card tabs ---------- */

.tab {
  display: inline-block;
  border: 2px solid var(--text);
  padding: 2px 6px;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 8px;
}

.sec { margin-top: 34px; }
.sec > h2 { margin-top: 0.2em; }

/* ---------- cards, callouts ---------- */

.card {
  background: var(--card);
  border: var(--rule);
  padding: 18px 20px;
  margin: 22px 0;
}

.callout {
  background: var(--card);
  border: var(--rule);
  border-left: 10px solid var(--accent-2);
  padding: 16px 18px;
  margin: 22px 0;
}
.callout h3 { margin-top: 0; }

.disclosure {
  background: var(--card);
  border: var(--rule);
  border-left: 10px solid var(--accent);
  padding: 16px 18px;
  margin: 22px 0;
  font-size: 1rem;
}
.disclosure h2 { margin: 0 0 0.5em; font-size: 0.8rem; }
.disclosure p:last-child { margin-bottom: 0; }

.link-note {
  font-family: var(--sans);
  font-size: 0.82rem;
  line-height: 1.5;
  text-transform: none;
  letter-spacing: 0;
  margin: 6px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--accent);
}

.glossary {
  border-top: var(--rule);
  border-bottom: var(--rule);
  padding: 14px 0;
  margin: 24px 0;
}
.glossary dt {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  margin-top: 10px;
}
.glossary dd { margin: 2px 0 0; }
.glossary dl { margin: 0; }

/* ---------- lists ---------- */

ul.plain, ol.plain { padding-left: 1.2em; }
ul.plain li, ol.plain li { margin-bottom: 0.5em; }

ol.steps-list { padding-left: 1.3em; margin: 0; }
ol.steps-list li { margin-bottom: 0.7em; }
ol.steps-list a { font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.78rem; }

ol.procedure {
  counter-reset: proc;
  list-style: none;
  padding: 0;
  margin: 18px 0;
}
ol.procedure li {
  counter-increment: proc;
  border-top: var(--hair);
  padding: 10px 0 10px 44px;
  position: relative;
}
ol.procedure li:last-child { border-bottom: var(--hair); }
ol.procedure li::before {
  content: counter(proc, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 10px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--accent-2);
}

/* ---------- checklists: two-column entry grid ---------- */

.checklist {
  background: var(--card);
  border: var(--rule);
  padding: 16px 18px 18px;
  margin: 24px 0;
}
.checklist > h2, .checklist > h3 { margin-top: 0.2em; }

ul.entries {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  border-top: 1px solid var(--text);
}
ul.entries li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 12px;
  align-items: start;
  border-bottom: 1px solid #c9c6bd;
  padding: 9px 0;
  font-size: 0.97rem;
}
ul.entries li::before {
  content: "";
  display: block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--text);
  margin-top: 4px;
}

/* ---------- table ---------- */

table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.95rem;
  background: var(--card);
}
caption {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.66rem;
  text-align: left;
  padding-bottom: 6px;
}
th, td {
  border: 1px solid #c9c6bd;
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}
th {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.68rem;
  border-bottom: var(--rule);
}

/* ---------- step indicator, pager ---------- */

.step-indicator {
  font-size: 0.68rem;
  color: var(--accent-2);
  border: 2px solid var(--accent-2);
  display: inline-block;
  padding: 3px 7px;
  margin-bottom: 12px;
}

.pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-top: var(--rule);
  margin-top: 34px;
  padding-top: 14px;
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.pager a { color: var(--accent); }

.contents {
  background: var(--card);
  border: var(--rule);
  padding: 14px 18px;
  margin: 20px 0 26px;
}
.contents h2 { margin: 0 0 0.5em; font-size: 0.76rem; }
.contents ol { margin: 0; padding-left: 1.3em; font-size: 0.95rem; }
.contents li { margin-bottom: 0.3em; }

/* ---------- buttons ---------- */

.btn {
  display: inline-block;
  background: var(--card);
  color: var(--text);
  border: var(--rule);
  border-radius: 0;
  padding: 9px 14px;
  font-size: 0.72rem;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: var(--bg); }

/* ---------- footer ---------- */

.site-foot {
  border-top: var(--rule);
  margin-top: 46px;
  background: var(--card);
}
.foot-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 22px 18px 34px;
  font-family: var(--sans);
  font-size: 0.85rem;
  line-height: 1.6;
}
.foot-inner address { font-style: normal; margin: 0 0 10px; }
.foot-inner .foot-name {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.74rem;
}
.foot-links { margin: 0 0 10px; }
.foot-links a { margin-right: 6px; }
.foot-tm { margin: 0 0 10px; max-width: 70ch; }
.foot-rev {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.66rem;
  margin: 0;
}

/* ---------- legal pages ---------- */

.legal main { max-width: 760px; }
.legal h2 { margin-top: 2em; }
.legal h3 { margin-top: 1.6em; }

/* ---------- responsive ---------- */

@media (max-width: 860px) {
  .wrap {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }
  .rail { position: static; }
}

@media (max-width: 640px) {
  body { font-size: 17px; }
  .menu-btn { display: inline-block; }
  .nav {
    display: none;
    width: 100%;
    border-top: var(--hair);
    margin-top: 10px;
    padding-top: 10px;
  }
  .nav.open { display: block; }
  .nav ul { flex-direction: column; gap: 10px; }
  .head-inner { flex-wrap: wrap; }
  .hero { padding: 22px 16px 18px 38px; }
  .punches { left: 10px; }
}

@media (max-width: 360px) {
  body { font-size: 16px; }
  h1 { font-size: 1.35rem; }
}

/* ---------- print ---------- */

@media print {
  body {
    background: #fff;
    color: #000;
    font-size: 11.5pt;
  }
  .site-head, .rail, .pager, .no-print, .menu-btn, .skip { display: none !important; }
  .wrap { display: block; max-width: none; padding: 0; }
  .checklist, .card, .callout, .disclosure, .hero {
    border: 1.5pt solid #000;
    background: #fff;
    break-inside: avoid;
    page-break-inside: avoid;
  }
  .hero { background-image: none; }
  ul.entries li { border-bottom: 0.5pt solid #666; }
  ul.entries li::before { border: 1pt solid #000; }
  a { color: #000; text-decoration: none; }
  .site-foot { border-top: 1pt solid #000; margin-top: 18pt; }
  h2 { page-break-after: avoid; }
}

/* ---------- block address on About and Contact ---------- */

.block-address {
  font-family: var(--sans);
  font-style: normal;
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 0;
}