@font-face {
  font-family: 'Archivo Variable';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  src: url(/fonts/archivo-latin-ext-wdth-normal.woff2) format('woff2-variations');
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face {
  font-family: 'Archivo Variable';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  src: url(/fonts/archivo-latin-wdth-normal.woff2) format('woff2-variations');
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

:root {
  --paper: #E9ECE3;
  --paper-2: #DEE2D5;
  --ink: #1D2A33;
  --mute: #4E5B63;
  --rule: rgba(29, 42, 51, 0.16);
  --mag: #A3195B;
  --mag-deep: #7E1146;
  --mag-soft: #E7A8C6;
  --wrap: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  --measure: 64ch;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Archivo Variable', Archivo, ui-sans-serif, system-ui, sans-serif;
  font-stretch: 100%;
  font-size: 1.125rem;
  line-height: 1.55;
  font-feature-settings: 'kern', 'liga', 'tnum' 0;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { color: var(--mag); }
:focus-visible { outline: 3px solid var(--mag); outline-offset: 3px; border-radius: 2px; }

.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: var(--gutter); top: 8px; background: var(--ink); color: var(--paper); padding: 8px 12px; z-index: 10; }

/* Type */
h1, h2, h3 { margin: 0; font-weight: 800; line-height: 1; text-wrap: balance; }
h1 {
  font-stretch: 62%;
  font-size: clamp(3.1rem, 8.2vw, 6.4rem);
  line-height: 0.9;
  letter-spacing: -0.012em;
}
h2 {
  font-stretch: 72%;
  font-size: clamp(2.1rem, 4.4vw, 3.2rem);
  letter-spacing: -0.006em;
}
h3 {
  font-stretch: 85%;
  font-weight: 750;
  font-size: 1.45rem;
  line-height: 1.1;
}
p { margin: 0 0 1em; max-width: var(--measure); }
.lead { font-size: clamp(1.2rem, 1.9vw, 1.42rem); line-height: 1.45; max-width: 46ch; }
.small { font-size: 0.9rem; color: var(--mute); }

/* Header */
.site-head { border-bottom: 1px solid var(--rule); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-stretch: 70%; font-weight: 800; font-size: 1.35rem; letter-spacing: 0.002em; }
.brand svg { width: 30px; height: 30px; flex: none; }
.brand:hover { color: var(--ink); }
.nav { display: flex; align-items: center; gap: 22px; font-size: 0.98rem; }
.nav a { text-decoration: none; }
.nav a[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--mag); text-decoration-thickness: 2px; }
.nav-toggle { display: none; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 46px; padding: 0 20px;
  background: var(--mag); color: #fff; border: 2px solid var(--mag);
  border-radius: 3px; text-decoration: none; font-weight: 650; font-size: 1rem; font-stretch: 92%;
  cursor: pointer; font-family: inherit;
}
.btn:hover { background: var(--mag-deep); border-color: var(--mag-deep); color: #fff; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--paper); }
.nav .btn { min-height: 40px; padding: 0 16px; color: #fff; }
.nav .btn:hover { color: #fff; }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; position: relative; }
  .nav-toggle summary { list-style: none; cursor: pointer; padding: 10px 0; font-weight: 650; }
  .nav-toggle summary::-webkit-details-marker { display: none; }
  .nav-toggle[open] .menu {
    position: absolute; right: 0; top: 100%; z-index: 5; width: min(80vw, 300px);
    background: var(--paper); border: 1px solid var(--rule); padding: 8px 0; box-shadow: 0 10px 30px rgba(29,42,51,.12);
  }
  .nav-toggle .menu a { display: block; padding: 10px 16px; text-decoration: none; }
}
@media (min-width: 901px) { .nav-links { display: flex; gap: 22px; align-items: center; } }

/* Hero */
.hero { padding-top: clamp(40px, 7vw, 88px); }
.hero-grid { display: grid; grid-template-columns: 1.55fr 1fr; gap: clamp(24px, 4vw, 64px); align-items: end; }
.hero-copy .lead { margin-bottom: 24px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
@media (max-width: 820px) { .hero-grid { grid-template-columns: 1fr; } }

/* Altitude chart */
.alt-figure { margin: clamp(48px, 7vw, 88px) 0 0; }
.alt {
  position: relative;
  height: 440px; margin-top: 76px; margin-left: 68px;
  border-bottom: 2px solid var(--ink);
}
.alt ol { list-style: none; margin: 0; padding: 0; position: absolute; inset: 0; }
.alt-grid { position: absolute; inset: 0; pointer-events: none; }
.alt-grid span {
  position: absolute; left: 0; right: 0; bottom: calc(var(--ft) / 400 * 100%);
  border-top: 1px solid var(--rule);
}
.alt-grid span::before {
  content: attr(data-label); position: absolute; right: calc(100% + 12px); top: -0.72em;
  font-size: 0.85rem; color: var(--mute); white-space: nowrap; font-variant-numeric: tabular-nums;
}
.alt-grid .limit { border-top: 2px dashed var(--mag); }
.alt-grid .limit::after {
  content: 'FAA altitude limit'; position: absolute; right: 0; bottom: 6px;
  font-size: 0.85rem; color: var(--mag); font-weight: 650;
}
.alt-grid .ground { border-top: 0; }
.alt li {
  position: absolute;
  left: calc(var(--col) * 20%);
  bottom: calc(var(--lo) / 400 * 100%);
  height: calc((var(--hi) - var(--lo)) / 400 * 100%);
  width: 20%;
}
.alt .bar {
  position: absolute; left: 0; top: 0; bottom: 0; width: 12px;
  background: var(--ink); transform-origin: bottom;
}
.alt li:hover .bar, .alt li:focus-within .bar { background: var(--mag); }
.alt a {
  position: absolute; left: 0; bottom: calc(100% + 10px);
  width: max-content; max-width: calc(100% - 14px);
  text-decoration: none; background: var(--paper); padding-right: 6px;
  line-height: 1.15;
}
.alt a strong { display: block; font-stretch: 80%; font-weight: 750; font-size: 1.12rem; }
.alt a span { display: block; font-size: 0.88rem; color: var(--mute); font-variant-numeric: tabular-nums; }
.alt a:hover strong { color: var(--mag); }
.alt-scale { display: none; }
.alt-figure figcaption { margin-top: 14px; margin-left: 68px; font-size: 0.92rem; color: var(--mute); max-width: 60ch; }

@media (prefers-reduced-motion: no-preference) {
  .alt .bar { animation: climb 900ms cubic-bezier(.2,.7,.2,1) both; animation-delay: calc(150ms + var(--col) * 90ms); }
  .alt a { animation: appear 500ms ease-out both; animation-delay: calc(650ms + var(--col) * 90ms); }
  @keyframes climb { from { transform: scaleY(0); } to { transform: scaleY(1); } }
  @keyframes appear { from { opacity: 0; } to { opacity: 1; } }
}

@media (max-width: 720px) {
  .alt { height: auto; margin: 12px 0 0; border-bottom: 0; }
  .alt ol { position: static; display: grid; gap: 18px; }
  .alt-grid { display: none; }
  .alt li { position: static; height: auto; width: auto; display: grid; gap: 6px; }
  .alt a { position: static; max-width: none; background: none; display: flex; justify-content: space-between; align-items: baseline; gap: 12px; width: auto; }
  .alt .track { position: relative; height: 12px; background: var(--paper-2); border-right: 2px dashed var(--mag); }
  .alt .bar { left: calc(var(--lo) / 400 * 100%); width: calc((var(--hi) - var(--lo)) / 400 * 100%); min-width: 6px; top: 0; bottom: 0; transform-origin: left; }
  .alt-scale { display: flex; justify-content: space-between; font-size: 0.8rem; color: var(--mute); margin-top: 20px; }
  .alt-figure figcaption { margin-left: 0; }
  @media (prefers-reduced-motion: no-preference) {
    @keyframes climb { from { transform: scaleX(0); } to { transform: scaleX(1); } }
  }
}
@media (min-width: 721px) { .alt .track { position: absolute; inset: 0; } }

/* Sections */
.section { padding-block: clamp(64px, 9vw, 120px); }
.section-head { display: grid; grid-template-columns: 1fr 1.3fr; gap: 24px clamp(24px, 4vw, 64px); align-items: end; margin-bottom: clamp(32px, 5vw, 56px); }
.section-head p { margin: 0; color: var(--mute); }
@media (max-width: 820px) { .section-head { grid-template-columns: 1fr; } }

.services { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); }
.services li { display: grid; grid-template-columns: 1fr 1.3fr; gap: 12px clamp(24px, 4vw, 64px); padding-block: 28px; border-bottom: 1px solid var(--rule); }
.services h3 a { text-decoration: none; }
.services h3 a:hover { color: var(--mag); }
.services p { margin-bottom: 0.6em; }
.services .for { font-size: 0.95rem; color: var(--mute); margin: 0; }
@media (max-width: 820px) { .services li { grid-template-columns: 1fr; } }

.steps { list-style: none; counter-reset: step; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(20px, 3vw, 40px); }
.steps li { counter-increment: step; border-top: 2px solid var(--ink); padding-top: 14px; }
.steps li::before {
  content: counter(step); display: block; font-stretch: 62%; font-weight: 800; font-size: 3.4rem; line-height: 1; margin-bottom: 10px; color: var(--mag);
}
.steps h3 { margin-bottom: 8px; }
.steps p { font-size: 1rem; margin: 0; }
@media (max-width: 960px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

.area { background: var(--paper-2); }
.towns { display: flex; flex-wrap: wrap; gap: 10px 12px; list-style: none; margin: 0 0 20px; padding: 0; }
.towns li { border: 1px solid var(--ink); border-radius: 3px; padding: 6px 12px; font-stretch: 85%; font-weight: 650; }

.cta-band { background: var(--ink); color: var(--paper); }
.cta-band .wrap { display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px clamp(24px, 4vw, 64px); align-items: end; }
.cta-band p { color: #C9D0C6; }
.cta-band a:not(.btn) { color: var(--paper); }
.cta-band a:not(.btn):hover { color: var(--mag-soft); }
@media (max-width: 820px) { .cta-band .wrap { grid-template-columns: 1fr; } }

/* Inner pages */
.crumbs { font-size: 0.9rem; color: var(--mute); margin-bottom: 18px; }
.crumbs a { color: var(--mute); }
.page-hero { padding-top: clamp(36px, 6vw, 72px); padding-bottom: clamp(32px, 5vw, 56px); border-bottom: 1px solid var(--rule); }
.page-hero h1 { font-size: clamp(2.8rem, 7vw, 5.6rem); max-width: 16ch; }
.page-hero .lead { margin-top: 22px; margin-bottom: 0; }
.page-body { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: clamp(32px, 6vw, 96px); padding-block: clamp(40px, 6vw, 72px) clamp(64px, 9vw, 120px); }
.prose h2 { font-size: clamp(1.8rem, 3.4vw, 2.4rem); margin: 1.6em 0 0.5em; }
.prose h2:first-child { margin-top: 0; }
.prose ul { padding-left: 1.1em; max-width: var(--measure); margin: 0 0 1.2em; }
.prose li { margin-bottom: 0.45em; }
.prose li::marker { color: var(--mag); }
.aside { align-self: start; position: sticky; top: 24px; border-top: 2px solid var(--ink); padding-top: 16px; }
.aside h2 { font-size: 1.6rem; margin-bottom: 10px; }
.aside p { font-size: 1rem; }
.aside .meter { position: relative; height: 10px; background: var(--paper-2); border-right: 2px dashed var(--mag); margin: 6px 0 6px; }
.aside .meter span { position: absolute; top: 0; bottom: 0; left: calc(var(--lo) / 400 * 100%); width: calc((var(--hi) - var(--lo)) / 400 * 100%); background: var(--ink); min-width: 6px; }
.aside .meter-scale { display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--mute); margin-bottom: 22px; }
@media (max-width: 900px) { .page-body { grid-template-columns: 1fr; } .aside { position: static; } }

/* Contact form */
.form { display: grid; gap: 18px; max-width: 560px; }
.form label { display: grid; gap: 6px; font-weight: 650; font-size: 0.98rem; }
.form input, .form select, .form textarea {
  font: inherit; font-weight: 400; font-size: 1rem; color: var(--ink);
  background: #F6F7F2; border: 1px solid #8A958D; border-radius: 3px; padding: 11px 12px; width: 100%;
}
.form textarea { min-height: 140px; resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { outline: 3px solid var(--mag); outline-offset: 1px; border-color: var(--ink); }
.form .hint { font-weight: 400; color: var(--mute); font-size: 0.9rem; }
.form-note { font-size: 0.92rem; color: var(--mute); }

/* Footer */
.site-foot { border-top: 1px solid var(--rule); padding-block: 48px 40px; font-size: 0.95rem; }
.site-foot .wrap { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 28px; }
.site-foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.site-foot h2 { font-size: 1.05rem; font-stretch: 85%; margin-bottom: 10px; }
.site-foot .legal { grid-column: 1 / -1; color: var(--mute); font-size: 0.85rem; margin-top: 12px; }
@media (max-width: 720px) { .site-foot .wrap { grid-template-columns: 1fr; } }