:root {
  --cockpit: #073f46;
  --route: #0a6972;
  --runway: #f2ae37;
  --paper: #f4f7f8;
  --ink: #12333a;
  --muted: #60777d;
  --line: #d8e3e6;
  --white: #fff;
  --danger: #a84338;
  --success: #17715f;
  --shadow: 0 18px 50px rgb(7 63 70 / 10%);
  --radius: 20px;
  --sans: "Avenir Next", Avenir, "Segoe UI", system-ui, sans-serif;
  --display: "Gill Sans", "Avenir Next", system-ui, sans-serif;
  --data: "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }
html { background: var(--paper); color: var(--ink); scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; font: 16px/1.55 var(--sans); }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: var(--route); text-underline-offset: 3px; }
button, input { font: inherit; }
button:focus-visible, a:focus-visible, input:focus-visible { outline: 3px solid var(--runway); outline-offset: 3px; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 30; background: var(--white); padding: .7rem 1rem; border-radius: 8px; }
.skip-link:focus { top: 1rem; }
.topbar { min-height: 74px; padding: 0 clamp(1rem, 5vw, 4.5rem); display: flex; align-items: center; justify-content: space-between; gap: 1rem; background: var(--cockpit); color: var(--white); }
.brand { display: inline-flex; align-items: center; gap: .75rem; color: var(--white); text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px 12px 12px 4px; background: var(--runway); color: var(--cockpit); font: 800 14px var(--data); }
.brand strong, .brand small { display: block; }
.brand strong { font: 700 21px var(--display); letter-spacing: -.02em; }
.brand small { color: #b9d0d4; font-size: 12px; }
.contact-link { color: var(--white); font-weight: 700; text-decoration-color: var(--runway); }
.sample-banner { display: flex; justify-content: center; gap: .7rem 1.1rem; flex-wrap: wrap; padding: .7rem 1rem; background: #fff4d9; border-bottom: 1px solid #ebd29a; color: #604717; font-size: 14px; }

main { width: min(1240px, calc(100% - 2rem)); margin: 0 auto; padding: clamp(2.5rem, 7vw, 6rem) 0; }
.demo-shell { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 4rem); align-items: start; }
.step-rail { position: sticky; top: 1.5rem; }
.step-rail p { margin: 0 0 1rem; color: var(--muted); font: 700 11px var(--data); letter-spacing: .14em; text-transform: uppercase; }
.route-steps { list-style: none; margin: 0; padding: 0; position: relative; }
.route-steps::before { content: ""; position: absolute; top: 16px; bottom: 16px; left: 15px; width: 2px; background: var(--line); }
.route-step { position: relative; min-height: 68px; padding: 2px 0 0 48px; color: var(--muted); }
.route-step::before { content: ""; position: absolute; left: 8px; top: 8px; width: 14px; height: 14px; border: 4px solid var(--paper); border-radius: 50%; background: #a9bcc0; box-shadow: 0 0 0 2px #a9bcc0; }
.route-step.is-complete::before { background: var(--route); box-shadow: 0 0 0 2px var(--route); }
.route-step.is-active { color: var(--ink); font-weight: 800; }
.route-step.is-active::before { background: var(--runway); box-shadow: 0 0 0 4px rgb(242 174 55 / 24%); }
.route-step small { display: block; font: 11px var(--data); color: var(--muted); }

.workspace { min-width: 0; }
.eyebrow { margin: 0 0 .65rem; color: var(--route); font: 800 12px var(--data); letter-spacing: .13em; text-transform: uppercase; }
h1, h2, h3 { margin: 0; font-family: var(--display); line-height: 1.08; letter-spacing: -.035em; }
h1 { max-width: 850px; font-size: clamp(2.35rem, 6.2vw, 5.6rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.6rem); }
h3 { font-size: 1.18rem; }
.lede { max-width: 760px; margin: 1.25rem 0 2rem; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.25rem); }
.panel { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: clamp(1.25rem, 3.5vw, 2.3rem); }
.brief-card { border-left: 5px solid var(--runway); }
.brief-card blockquote { margin: 0; font-size: clamp(1.1rem, 2vw, 1.35rem); color: var(--ink); }
.microcopy { color: var(--muted); font-size: 14px; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: .8rem; margin-top: 1.5rem; }
.button { border: 1px solid var(--line); border-radius: 12px; padding: .78rem 1.05rem; background: var(--white); color: var(--ink); font-weight: 800; cursor: pointer; }
.button:hover { border-color: var(--route); }
.button-primary { border-color: var(--route); background: var(--route); color: var(--white); }
.button-primary:hover { background: var(--cockpit); }
.button[disabled] { opacity: .62; cursor: wait; }
.choice-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .8rem; margin-top: 1.5rem; }
.choice { display: flex; gap: .7rem; align-items: flex-start; padding: 1rem; border: 1px solid var(--line); border-radius: 13px; cursor: pointer; }
.choice:has(input:checked) { border-color: var(--route); background: #edf8f8; }
.choice input { margin-top: .25rem; accent-color: var(--route); }

.criteria-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .7rem 1.4rem; margin: 1.5rem 0 0; }
.criteria-grid div { padding: .8rem 0; border-bottom: 1px solid var(--line); }
.criteria-grid dt { color: var(--muted); font-size: 13px; }
.criteria-grid dd { margin: .2rem 0 0; font-weight: 800; }
.route-map { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: .7rem; margin: 1.8rem 0; }
.route-map::before { content: ""; position: absolute; left: 8%; right: 8%; top: 22px; height: 3px; background: linear-gradient(90deg, var(--route), var(--runway)); }
.airport { position: relative; text-align: center; }
.airport b { position: relative; z-index: 1; display: inline-grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; background: var(--white); border: 3px solid var(--route); font: 800 12px var(--data); }
.airport:last-child b { border-color: var(--runway); }
.airport small { display: block; margin-top: .45rem; color: var(--muted); }

.progress-card { text-align: center; padding: clamp(2rem, 7vw, 5rem); }
.radar { width: 112px; height: 112px; margin: 0 auto 1.5rem; border: 1px solid var(--line); border-radius: 50%; position: relative; background: repeating-radial-gradient(circle, transparent 0 18px, rgb(10 105 114 / 11%) 19px 20px); overflow: hidden; }
.radar::after { content: ""; position: absolute; inset: 50% 50% 0 50%; width: 50%; background: linear-gradient(90deg, rgb(10 105 114 / 38%), transparent); transform-origin: left top; animation: sweep 1.6s linear infinite; }
@keyframes sweep { to { transform: rotate(360deg); } }
progress { width: min(520px, 100%); height: 13px; accent-color: var(--route); }
.progress-label { font: 800 13px var(--data); color: var(--route); }

.result-header { display: flex; justify-content: space-between; align-items: end; gap: 1rem; margin-bottom: 1.4rem; }
.recommendations { display: grid; gap: 1rem; }
.recommendation { display: grid; grid-template-columns: 88px minmax(0, 1fr) auto; gap: 1.2rem; align-items: start; }
.rank { display: grid; place-items: center; width: 72px; height: 72px; border-radius: 18px 18px 18px 5px; background: var(--cockpit); color: var(--white); font: 800 27px var(--data); }
.result-badge { display: inline-block; margin-bottom: .55rem; padding: .3rem .55rem; border-radius: 99px; background: #fff4d9; color: #6a4b0d; font: 800 11px var(--data); text-transform: uppercase; }
.route-code { margin: .65rem 0; font: 700 14px var(--data); color: var(--route); }
.facts { display: flex; flex-wrap: wrap; gap: .4rem .8rem; color: var(--muted); font-size: 14px; }
.reason { margin: 1rem 0 0; }
.price { min-width: 160px; text-align: right; }
.price strong { display: block; font: 800 28px var(--display); }
.price small { color: var(--muted); }
.delta { margin-top: .5rem; font-size: 12px; font-weight: 800; }
.delta-down { color: var(--success); }
.delta-up { color: var(--danger); }
.sample-chip { display: inline-flex; margin-top: .65rem; padding: .25rem .5rem; border-radius: 6px; background: var(--paper); color: var(--muted); font: 700 10px var(--data); text-transform: uppercase; }
.analysis-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 1rem; margin-top: 1rem; }
.ground-route { border-top: 5px solid var(--runway); }
.email-preview { padding: 0; overflow: hidden; }
.email-chrome { display: flex; justify-content: space-between; gap: 1rem; padding: 1rem 1.25rem; background: var(--cockpit); color: var(--white); font: 12px var(--data); }
.email-body { padding: 1.4rem; }
.email-body hr { border: 0; border-top: 1px solid var(--line); margin: 1.2rem 0; }
.comparison { margin-top: 1rem; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 680px; }
th, td { padding: .85rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--muted); font: 800 11px var(--data); letter-spacing: .08em; text-transform: uppercase; }
footer { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding: 2rem clamp(1rem, 5vw, 4.5rem); background: var(--cockpit); color: #bad0d4; font-size: 14px; }
footer p { margin: 0; } footer a { color: var(--white); }
.mobile-stage { display: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media (max-width: 900px) {
  .demo-shell { grid-template-columns: 1fr; }
  .step-rail { display: none; }
  .mobile-stage { display: block; margin-bottom: 1rem; color: var(--route); font: 800 12px var(--data); }
  .recommendation { grid-template-columns: 60px 1fr; }
  .rank { width: 54px; height: 54px; font-size: 20px; }
  .price { grid-column: 2; text-align: left; }
  .analysis-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .topbar { min-height: 64px; }
  .brand small, .contact-link { display: none; }
  main { width: min(100% - 1.1rem, 1240px); padding: 2rem 0 3rem; }
  h1 { font-size: clamp(2.3rem, 12vw, 3.15rem); }
  .panel { border-radius: 16px; padding: 1.1rem; }
  .choice-grid, .criteria-grid { grid-template-columns: 1fr; }
  .route-map { gap: .2rem; }
  .airport b { width: 42px; height: 42px; }
  .recommendation { gap: .8rem; }
  .result-header { align-items: start; flex-direction: column; }
  footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}