/* Airborne Consultants — Teal Stone brand display layer
   Cormorant Garamond (display) + DM Sans (UI). Dark operational palette. */

:root {
  --page-bg: #0D1A1B;
  --surface: #182526;
  --surface-2: #1C2C2E;
  --chip: #253E40;
  --border: rgba(148, 196, 194, 0.15);
  --border-strong: rgba(148, 196, 194, 0.28);
  --text: #F3F1EB;
  --text-2: #E2DDD0;
  --muted: #B5CDCB;
  --dim: #84999A;
  --teal: #4ECDC4;
  --teal-dim: #1A4D4C;
  --gold: #C99E40;
  --gold-dim: #4A3D1F;
  --display: "Cormorant Garamond", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --ui: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --measure: 62ch;
  --gutter: clamp(20px, 5vw, 48px);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  color-scheme: dark;
  background: var(--page-bg);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

body {
  margin: 0;
  min-height: 100vh;
  background: var(--page-bg);
  color: var(--text-2);
  font-family: var(--ui);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

/* thin gold diagonal accent — echoes the PDF pattern, right edge */
body::before {
  content: "";
  position: fixed;
  top: -20vh;
  right: clamp(24px, 6vw, 96px);
  width: 1px;
  height: 140vh;
  background: linear-gradient(to bottom, transparent, var(--gold) 20%, var(--gold) 80%, transparent);
  opacity: 0.55;
  transform: rotate(18deg);
  transform-origin: center;
  pointer-events: none;
  z-index: 0;
}
@media (max-width: 719px) {
  body::before { display: none; }
}

a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip {
  position: absolute; left: 8px; top: -60px;
  background: var(--surface-2); color: var(--text);
  padding: 8px 12px; border: 1px solid var(--border-strong); border-radius: 6px;
  z-index: 100;
}
.skip:focus { top: 8px; }

.wrap {
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
  position: relative;
  z-index: 1;
}

/* ── Header / nav ─────────────────────────────────────────── */
.site-header {
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--page-bg) 88%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 24px;
  padding-top: 18px;
  padding-bottom: 14px;
}
.brand {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: 0.01em;
  color: var(--text);
  line-height: 1.1;
  white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.brand small {
  display: block;
  font-family: var(--ui);
  font-weight: 500;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
  margin-top: 4px;
}
.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 22px;
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}
.nav a { color: var(--muted); padding: 6px 0; }
.nav a:hover { color: var(--text); text-decoration: none; }
.nav a[aria-current="page"] { color: var(--teal); }

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  padding-top: clamp(64px, 12vw, 128px);
  padding-bottom: clamp(56px, 10vw, 104px);
}
.eyebrow {
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 18px;
}
.hero h1 {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(2rem, 5.2vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.005em;
  color: var(--text);
  margin: 0;
  max-width: 24ch;
}
.hero h1 em {
  font-style: italic;
  color: var(--teal);
}
.hero p {
  margin: 26px 0 0;
  max-width: var(--measure);
  color: var(--muted);
  font-size: 1.05rem;
}
.hero-cta {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  align-items: center;
  font-size: 0.9rem;
  font-weight: 500;
}
.btn {
  display: inline-block;
  padding: 11px 20px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  color: var(--text);
  background: var(--surface);
  letter-spacing: 0.03em;
  transition: border-color 150ms ease, background 150ms ease;
}
.btn:hover { text-decoration: none; border-color: var(--teal); background: var(--surface-2); }
.btn-primary { border-color: var(--teal); color: var(--page-bg); background: var(--teal); font-weight: 600; }
.btn-primary:hover { background: #63d6ce; border-color: #63d6ce; }

/* ── Sections ─────────────────────────────────────────────── */
.section {
  padding-top: clamp(48px, 8vw, 88px);
  padding-bottom: clamp(48px, 8vw, 88px);
  border-top: 1px solid var(--border);
}
.section-head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(28px, 4vw, 44px);
}
.section-head h2 {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(1.7rem, 3.4vw, 2.3rem);
  line-height: 1.15;
  color: var(--text);
  margin: 0;
}
.section-head p {
  margin: 0;
  color: var(--muted);
  max-width: var(--measure);
}

/* Services grid */
.services {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .services { grid-template-columns: 1fr 1fr; gap: 18px; }
  .services .card:last-child:nth-child(odd) { grid-column: 1 / -1; }
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 26px 24px 24px;
  display: grid;
  gap: 10px;
  align-content: start;
  position: relative;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
}
.card::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 0;
  width: 36px;
  height: 2px;
  background: var(--teal);
  border-radius: 0 0 2px 2px;
}
.card .code {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
  margin: 4px 0 0;
  font-variant-numeric: tabular-nums;
}
.card h3 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.45rem;
  line-height: 1.2;
  color: var(--text);
  margin: 0;
}
.card p { margin: 0; color: var(--text-2); font-size: 0.97rem; }
.card p.note { color: var(--muted); font-size: 0.9rem; }

/* About */
.about-grid {
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr;
}
@media (min-width: 820px) {
  .about-grid { grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 48px; align-items: start; }
}
.about-grid p { margin: 0 0 16px; max-width: var(--measure); }
.about-grid p:last-child { margin-bottom: 0; }
.facts {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px 24px;
  margin: 0;
  display: grid;
  gap: 14px;
  font-size: 0.93rem;
}
.facts div { display: grid; gap: 2px; }
.facts dt {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
}
.facts dd { margin: 0; color: var(--text); font-variant-numeric: tabular-nums; }

/* Contact */
.contact-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .contact-grid { grid-template-columns: repeat(3, 1fr); }
}
.contact-item {
  border-top: 1px solid var(--border-strong);
  padding-top: 16px;
  display: grid;
  gap: 6px;
  font-size: 0.97rem;
}
.contact-item .label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}
.contact-item a { color: var(--text); font-weight: 500; }
.contact-item a:hover { color: var(--teal); }
.contact-item address { font-style: normal; color: var(--text-2); }

/* ── Sub-pages (legal / privacy) ─────────────────────────── */
.page {
  padding-top: clamp(48px, 8vw, 88px);
  padding-bottom: clamp(56px, 8vw, 96px);
}
.page h1 {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(2rem, 4.5vw, 2.9rem);
  line-height: 1.12;
  color: var(--text);
  margin: 0 0 8px;
}
.page .lede { color: var(--muted); margin: 0 0 40px; max-width: var(--measure); }
.page h2 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.45rem;
  color: var(--text);
  margin: 40px 0 12px;
}
.page p, .page li { max-width: var(--measure); }
.page p { margin: 0 0 14px; }
.page ul { padding-left: 1.2em; margin: 0 0 14px; }
.page li { margin-bottom: 6px; }
.legal-list {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 24px;
  margin: 0 0 24px;
  max-width: 720px;
}
.legal-list div {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px 24px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.legal-list div:last-child { border-bottom: 0; }
@media (min-width: 560px) {
  .legal-list div { grid-template-columns: 200px 1fr; }
}
.legal-list dt {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
  padding-top: 3px;
}
.legal-list dd { margin: 0; color: var(--text); font-variant-numeric: tabular-nums; }
.page .meta { color: var(--dim); font-size: 0.86rem; }

/* ── Footer ───────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  margin-top: 0;
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 24px;
  padding-top: 26px;
  padding-bottom: 30px;
  font-size: 0.84rem;
  color: var(--dim);
}
.site-footer nav { display: flex; gap: 20px; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--teal); }