:root {
  --header-navy: #142844;
  --header-text: #f5f6f4;
  --header-text-dim: #aab4c4;

  --paper: #ffffff;
  --navy: #16233a;
  --navy-soft: #5b6678;
  --line: #e2e5e9;

  --amber: #ffb300;
  --amber-deep: #96690a;
  --bad: #b13c2c;

  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --mono: "IBM Plex Mono", "SF Mono", Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--paper);
  color: var(--navy);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Top bar (navy header) ---------- */
.top-bar { background: var(--header-navy); padding: 28px 24px; }
.top-bar-inner { max-width: 560px; margin: 0 auto; }
.brand-row { display: flex; align-items: center; gap: 12px; }
.brand-icon {
  width: clamp(30px, 6vw, 40px);
  height: clamp(30px, 6vw, 40px);
  flex: none;
  border-radius: 50%;
}
.brand-big {
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(32px, 7vw, 44px);
  letter-spacing: 0.04em;
  color: var(--header-text);
  margin: 0;
  line-height: 1;
}
.tagline-under {
  font-size: 14px;
  color: var(--header-text-dim);
  margin: 8px 0 0;
}

/* ---------- Page (white) ---------- */
.page { max-width: 560px; margin: 0 auto; padding: 48px 24px 64px; }

.hook { font-size: clamp(30px, 6.5vw, 42px); font-weight: 700; margin: 0 0 12px; color: var(--navy); line-height: 1.15; }
.value { font-size: clamp(17px, 2.6vw, 20px); color: var(--navy-soft); margin: 0 0 32px; }
.value strong { color: var(--amber-deep); font-weight: 700; }

/* Tabs */
.tabs { display: flex; gap: 4px; margin-bottom: 28px; border-bottom: 1px solid var(--line); }
.tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--navy-soft);
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  padding: 0 0 14px;
  margin-right: 28px;
  cursor: pointer;
}
.tab.active { color: var(--navy); font-weight: 700; border-bottom-color: var(--amber); }
.tab:hover { color: var(--navy); }

.lookup { display: flex; gap: 16px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 14px; }
.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy-soft);
  flex: 1;
  min-width: 160px;
}
.date-field { flex: none; min-width: 140px; }

.flight-input {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line);
  color: var(--navy);
  font-family: var(--mono);
  font-weight: 600;
  font-size: clamp(24px, 5.5vw, 30px);
  letter-spacing: 0.02em;
  padding: 6px 0;
  border-radius: 0;
  text-transform: none;
}
.flight-input::placeholder { color: #b7bcc3; font-weight: 500; }
.flight-input:focus { outline: none; border-bottom-color: var(--amber-deep); }

.date-input {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line);
  color: var(--navy-soft);
  font-family: var(--mono);
  font-size: 14px;
  padding: 6px 0;
  border-radius: 0;
}
.date-input:focus { outline: none; border-bottom-color: var(--amber-deep); }

.go {
  background: var(--amber);
  color: #241900;
  border: none;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 15px;
  padding: 0 22px;
  height: 44px;
  cursor: pointer;
  white-space: nowrap;
}
.go:hover { background: #ffc233; }
.go:disabled { opacity: 0.5; cursor: wait; }

.manual { margin: 0 0 40px; }
.manual .row { display: flex; gap: 20px; margin-bottom: 20px; flex-wrap: wrap; }
.manual label {
  flex: 1;
  min-width: 130px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy-soft);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.manual input, .manual select {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line);
  color: var(--navy);
  font-family: var(--sans);
  font-size: 15px;
  padding: 6px 0;
  border-radius: 0;
  width: 100%;
}
.manual input:focus, .manual select:focus { outline: none; border-bottom-color: var(--amber-deep); }
.delay-pair { display: flex; gap: 10px; }
.submit {
  background: none;
  border: 1px solid var(--line);
  color: var(--navy);
  font-family: var(--sans);
  font-weight: 600;
  font-size: 14px;
  padding: 11px 22px;
  cursor: pointer;
}
.submit:hover { border-color: var(--navy-soft); }
.submit:disabled { opacity: 0.5; cursor: wait; }

/* ---------- Result ---------- */
#result { margin-top: 8px; }
.result-block { padding-top: 32px; border-top: 1px solid var(--line); }
.status-tag {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy-soft);
  margin: 0 0 12px;
}
.status-tag.eligible { color: var(--amber-deep); }
.status-tag.not-eligible { color: var(--bad); }

.amount {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 56px;
  color: var(--amber-deep);
  margin: 0 0 10px;
  line-height: 1;
}
.headline-plain { font-size: 19px; color: var(--navy); margin: 0 0 10px; }
.meta { color: var(--navy-soft); font-size: 14px; margin: 0 0 28px; }

.odds { display: flex; justify-content: space-between; font-size: 13px; color: var(--navy-soft); padding: 16px 0; border-top: 1px solid var(--line); }
.odds strong { color: var(--navy); font-family: var(--mono); }
.odds-note { font-size: 12.5px; color: var(--navy-soft); margin: 0 0 16px; }

.reasons { list-style: none; margin: 0; padding: 0; }
.reasons li { font-size: 13.5px; color: var(--navy-soft); padding: 12px 0; border-top: 1px solid var(--line); }

.claim {
  display: block;
  width: 100%;
  margin-top: 28px;
  background: var(--amber);
  color: #241900;
  border: none;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 15px;
  padding: 15px;
  cursor: pointer;
}
.claim:hover { background: #ffc233; }
.claim-note { font-size: 12px; color: var(--navy-soft); margin-top: 10px; }
.source-tag { font-size: 10.5px; color: var(--navy-soft); text-transform: uppercase; letter-spacing: 0.1em; margin-top: 22px; }

/* ---------- FAQ (SEO content, accordion) ---------- */
.faq { margin-top: 64px; padding-top: 32px; border-top: 1px solid var(--line); }
.faq h2 { font-size: 16px; font-weight: 600; color: var(--navy); margin: 0 0 8px; }
.faq-item { border-top: 1px solid var(--line); }
.faq-item:first-of-type { border-top: none; }
.faq-item summary {
  cursor: pointer;
  padding: 16px 24px 16px 0;
  position: relative;
  list-style: none;
}
.faq-item summary h3 {
  display: inline;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--navy);
  margin: 0;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 14px;
  color: var(--navy-soft);
  font-weight: 400;
  font-size: 17px;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p { font-size: 13.5px; color: var(--navy-soft); margin: 0 0 18px; line-height: 1.6; }

footer { margin-top: 56px; font-size: 12px; color: var(--navy-soft); line-height: 1.6; }
footer p + p { margin-top: 8px; }
.hidden { display: none !important; }