:root {
  color-scheme: dark;
  --ink: #07111d;
  --navy: #0b1c2e;
  --navy-2: #112a43;
  --cream: #f4ead7;
  --paper: #fff9ed;
  --brass: #c28b3a;
  --brass-soft: #e3bd7a;
  --muted: #afbdd0;
  --line: rgba(227, 189, 122, 0.27);
  --danger: #ffb4a8;
  --buy: #81d9a6;
  --watch: #f1c66f;
  --pass: #ff9d8d;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { background: var(--ink); scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--cream);
  background:
    radial-gradient(circle at 88% 3%, rgba(194, 139, 58, 0.14), transparent 28rem),
    linear-gradient(180deg, #07111d 0%, #0a1726 100%);
  min-height: 100vh;
  font-size: 1rem;
  line-height: 1.55;
}

button, input { font: inherit; }

button, a, input { -webkit-tap-highlight-color: transparent; }

a { color: var(--brass-soft); }

.site-header {
  width: min(72rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 1rem;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--paper);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.aperture {
  width: 1.55rem;
  height: 1.55rem;
  border: 2px solid var(--brass);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--brass);
  font-size: 0.7rem;
}

.tagline { margin: 0.25rem 0 0; color: var(--muted); font-size: 0.9rem; }

main {
  width: min(72rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.intro { max-width: 47rem; margin-bottom: 1.5rem; }

.eyebrow {
  margin: 0 0 0.45rem;
  color: var(--brass-soft);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1, h2, legend {
  font-family: Georgia, "Times New Roman", serif;
  color: var(--paper);
}

h1 { margin: 0; font-size: clamp(2.15rem, 7vw, 4.6rem); line-height: 0.98; letter-spacing: -0.035em; }
.lede { color: #c6d0dd; max-width: 42rem; font-size: 1.05rem; }

.calculator-shell { display: grid; gap: 1rem; align-items: start; }

.panel {
  background: linear-gradient(150deg, rgba(17, 42, 67, 0.92), rgba(9, 24, 39, 0.96));
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  box-shadow: 0 1.2rem 3rem rgba(0, 0, 0, 0.24);
}

.form-panel { padding: 1.1rem; }
.defaults-note {
  margin: 0 0 1.2rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  color: #c6d0dd;
  font-size: 0.86rem;
}
.defaults-note strong { color: var(--paper); }
fieldset { border: 0; padding: 0; margin: 0 0 1.3rem; }
legend { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.9rem; }
.field-grid { display: grid; gap: 0.9rem; }

.field label { display: block; color: var(--paper); font-weight: 700; font-size: 0.9rem; margin-bottom: 0.35rem; }
.hint { display: block; color: var(--muted); font-size: 0.78rem; margin-top: 0.3rem; }
.input-wrap { position: relative; }
.input-prefix, .input-suffix { position: absolute; top: 50%; transform: translateY(-50%); color: #8191a5; pointer-events: none; }
.input-prefix { left: 0.85rem; }
.input-suffix { right: 0.85rem; }

input {
  width: 100%;
  min-height: 3rem;
  border-radius: 0.7rem;
  border: 1px solid #39516b;
  background: #071522;
  color: var(--paper);
  padding: 0.72rem 0.85rem 0.72rem 1.75rem;
  outline: none;
}

input.has-suffix { padding-right: 2rem; padding-left: 0.85rem; }
input:focus { border-color: var(--brass-soft); box-shadow: 0 0 0 3px rgba(227, 189, 122, 0.18); }
input[aria-invalid="true"] { border-color: var(--danger); }
.field-error { color: var(--danger); min-height: 1.2rem; margin: 0.25rem 0 0; font-size: 0.8rem; }

.button-row { display: grid; gap: 0.65rem; }
button {
  min-height: 3rem;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 0.72rem 1.15rem;
  cursor: pointer;
  font-weight: 800;
}
button:focus-visible, a:focus-visible { outline: 3px solid var(--brass-soft); outline-offset: 3px; }
.primary { color: #07111d; background: var(--brass-soft); }
.primary:hover { background: #f1cf92; }
.secondary { color: var(--cream); background: transparent; border-color: #49627c; }
.secondary:hover { background: rgba(255,255,255,0.05); }

.form-status { min-height: 1.4rem; color: var(--muted); margin: 0.8rem 0 0; font-size: 0.88rem; }

.results-panel { overflow: hidden; }
.result-hero { padding: 1.3rem; background: linear-gradient(145deg, #f4ead7, #dfcba7); color: var(--navy); }
.result-label { display: block; font-size: 0.78rem; font-weight: 900; letter-spacing: 0.12em; text-transform: uppercase; }
.safe-max { display: block; margin-top: 0.2rem; font-family: Georgia, "Times New Roman", serif; font-weight: 800; font-size: clamp(2.8rem, 14vw, 5.8rem); line-height: 1; }
.decision-inline {
  margin-top: 0.8rem;
  padding-top: 0.7rem;
  border-top: 1px solid rgba(7, 17, 29, 0.18);
}
.result-grid { display: grid; grid-template-columns: 1fr 1fr; }
.metric { padding: 1rem; border-top: 1px solid var(--line); }
.metric:nth-child(odd) { border-right: 1px solid var(--line); }
.metric dt { color: var(--muted); font-size: 0.78rem; }
.metric dd { margin: 0.2rem 0 0; color: var(--paper); font-weight: 800; font-size: 1.15rem; }
.metric-note { display: block; color: var(--muted); margin-top: 0.35rem; font-size: 0.73rem; line-height: 1.35; }
.headroom-metric { grid-column: 1 / -1; border-right: 0 !important; }
.decision { display: block; color: #58697c; font-weight: 900; font-size: 1.55rem; letter-spacing: 0.05em; line-height: 1.1; }
[data-decision="buy"] .decision { color: #17633f; }
[data-decision="watch"] .decision { color: #875900; }
[data-decision="pass"] .decision, [data-decision="zero-cost"] .decision { color: #9f3121; }
.decision-copy { display: block; color: #31465d; margin-top: 0.2rem; font-size: 0.85rem; }
.is-empty .safe-max, .is-empty .metric dd { color: #54667a; }
.result-note { padding: 1rem 1.3rem 1.25rem; border-top: 1px solid var(--line); color: #c6d0dd; font-size: 0.86rem; }
.result-note strong, .result-note span { display: block; }
.result-note strong { color: var(--paper); margin-bottom: 0.25rem; }

.transparency {
  margin: 1rem 0 0;
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--brass);
  background: rgba(194, 139, 58, 0.08);
  color: #c7d1dd;
  border-radius: 0 0.8rem 0.8rem 0;
}
.transparency strong { color: var(--paper); }

.education, .next-steps { padding-top: 3.6rem; }
h2 { margin: 0; max-width: 48rem; font-size: clamp(1.85rem, 5vw, 3.25rem); line-height: 1.05; letter-spacing: -0.025em; }
h3 { margin: 0; color: var(--paper); font-size: 1rem; }
.education-grid, .resource-grid { display: grid; gap: 0.9rem; margin-top: 1.35rem; }
.education article, .resource-card {
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.05rem;
  background: rgba(17, 42, 67, 0.48);
}
.education article p, .resource-card p { color: #c6d0dd; margin: 0.45rem 0 0; }
.card-kicker { color: var(--brass-soft) !important; font-size: 0.75rem; font-weight: 900; letter-spacing: 0.12em; text-transform: uppercase; }
.free-card { border-left: 3px solid #7a95b5; }
.paid-card { border-left: 3px solid var(--brass); }
.text-link, .cta-link {
  display: inline-block;
  margin-top: 1rem;
  min-height: 2.75rem;
  padding: 0.65rem 0;
  font-weight: 800;
  text-underline-offset: 0.2em;
}
.cta-link {
  padding: 0.72rem 1rem;
  border-radius: 999px;
  background: var(--brass-soft);
  color: var(--ink);
  text-decoration: none;
}
.cta-link:hover { background: #f1cf92; }

@media (min-width: 40rem) {
  .field-grid { grid-template-columns: 1fr 1fr; }
  .button-row { grid-template-columns: 1.3fr 1fr 1fr; }
  .form-panel { padding: 1.5rem; }
  .education-grid, .resource-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 60rem) {
  .calculator-shell { grid-template-columns: minmax(0, 1.25fr) minmax(20rem, 0.75fr); gap: 1.3rem; }
  .results-panel { position: sticky; top: 1rem; }
  .intro { margin-bottom: 2rem; }
}

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