:root {
  color-scheme: dark;
  --bg: #050b16;
  --panel: #0b1729;
  --line: #203652;
  --ink: #f7fbff;
  --muted: #a9b9ce;
  --cyan: #47d7ff;
  --green: #78edba;
  --danger: #ff9eaa;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background:
    radial-gradient(circle at 20% -10%, #12355c 0, transparent 38%), var(--bg);
  color: var(--ink);
  line-height: 1.6;
}
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid var(--line);
  background: rgba(5, 11, 22, 0.88);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
}
a {
  color: var(--cyan);
}
.brand {
  font-weight: 900;
  letter-spacing: 0.2em;
  text-decoration: none;
  color: white;
}
.site-header nav {
  display: flex;
  gap: 1.2rem;
}
.site-header nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 700;
}
main {
  width: min(1180px, calc(100% - 2rem));
  margin: auto;
}
.hero {
  padding: 5rem 0 2.2rem;
  max-width: 900px;
}
.eyebrow {
  color: var(--cyan);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 900;
}
.hero h1 {
  font-size: clamp(2.4rem, 7vw, 5.5rem);
  line-height: 0.98;
  margin: 0.5rem 0 1.5rem;
  letter-spacing: -0.055em;
}
.lead {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: #cfdae8;
  max-width: 760px;
}
.edition {
  display: inline-block;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.84rem;
}
.calculator {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
  gap: 1.2rem;
  align-items: start;
}
.panel,
.explanation,
.report-card,
.sources {
  background: rgba(11, 23, 41, 0.92);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: clamp(1.1rem, 3vw, 2rem);
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.25);
}
h2,
h3 {
  line-height: 1.15;
}
h2 {
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  margin-top: 0;
}
.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
  font-weight: 750;
  color: #dbe7f4;
}
input,
select,
textarea {
  width: 100%;
  border: 1px solid #2e4969;
  background: #07111f;
  color: white;
  border-radius: 10px;
  padding: 0.78rem;
  font: inherit;
}
input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(71, 215, 255, 0.25);
  border-color: var(--cyan);
}
fieldset {
  border: 1px solid var(--line);
  border-radius: 14px;
  margin: 1.25rem 0;
  padding: 1rem;
}
legend {
  font-weight: 900;
  padding: 0 0.4rem;
}
.hint,
.selected-rate,
.test-note {
  color: var(--muted);
  font-size: 0.88rem;
}
.search-results {
  display: grid;
  gap: 0.35rem;
  margin: 0.55rem 0;
  max-height: 250px;
  overflow: auto;
}
.search-result {
  display: block;
  width: 100%;
  text-align: left;
  border: 1px solid var(--line);
  background: #0d2037;
  color: white;
  padding: 0.65rem;
  border-radius: 8px;
  cursor: pointer;
}
.search-result:hover,
.search-result:focus {
  border-color: var(--cyan);
}
.search-result strong {
  color: var(--cyan);
}
button.primary {
  border: 0;
  border-radius: 10px;
  background: linear-gradient(120deg, var(--cyan), var(--green));
  color: #04111d;
  padding: 0.8rem 1.2rem;
  font: inherit;
  font-weight: 950;
  cursor: pointer;
}
.error {
  color: var(--danger);
}
.results {
  position: sticky;
  top: 6rem;
}
.result-total {
  font-size: 2.2rem;
  font-weight: 950;
  margin: 0.2rem 0;
}
.result-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.55rem;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}
.result-grid dt {
  color: var(--muted);
}
.result-grid dd {
  margin: 0;
  font-weight: 850;
}
.source-list,
.warnings {
  padding-left: 1.2rem;
  font-size: 0.88rem;
  color: var(--muted);
}
.warning {
  border-left: 3px solid #ffc857;
  padding: 0.65rem 0.8rem;
  background: #2a210b;
}
.explanation,
.sources {
  margin-top: 1.2rem;
}
.report-card {
  margin: 1.2rem 0;
  display: grid;
  grid-template-columns: 1fr minmax(320px, 0.75fr);
  gap: 2rem;
}
.price {
  font-size: 1.2rem;
}
.report-card form {
  display: grid;
  gap: 0.8rem;
  background: #07111f;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.1rem;
}
.report-card h3 {
  margin: 0;
}
.check {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
}
.check input {
  width: auto;
  margin-top: 0.35rem;
}
.honeypot {
  position: absolute;
  left: -10000px;
}
.status {
  min-height: 1.5rem;
  color: var(--green);
}
footer {
  padding: 2.2rem 1rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}
@media (max-width: 780px) {
  .calculator,
  .report-card {
    grid-template-columns: 1fr;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .results {
    position: static;
  }
  .site-header nav {
    gap: 0.65rem;
  }
  .hero {
    padding-top: 3rem;
  }
}