:root {
  --bg: #f2f8ff;
  --panel: rgba(255, 255, 255, 0.92);
  --panel-border: rgba(18, 61, 104, 0.12);
  --text: #0d2645;
  --muted: #4f6884;
  --accent: #1f7ae0;
  --accent-deep: #123d68;
  --accent-soft: #cfe7ff;
  --success: #1f9d68;
  --warning: #d68100;
  --shadow: 0 26px 60px rgba(13, 38, 69, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --slider-progress: 3%;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(31, 122, 224, 0.18), transparent 36%),
    linear-gradient(180deg, #f8fbff 0%, #eaf4ff 100%);
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0 72px;
}

.hero {
  display: grid;
  gap: 28px;
}

.hero__copy {
  max-width: 860px;
}

.eyebrow,
.panel-kicker,
.vendor-card__eyebrow,
.pricing-status__label {
  margin: 0 0 8px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  max-width: 780px;
  font-size: clamp(2.2rem, 3vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.lede {
  max-width: 720px;
  margin-top: 18px;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--muted);
}

.calculator {
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(320px, 1fr);
  gap: 22px;
}

.calculator__panel,
.footnotes {
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-xl);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.calculator__panel {
  padding: 28px;
}

.calculator__panel--control {
  position: sticky;
  top: 18px;
  align-self: start;
}

.panel-heading {
  margin-bottom: 24px;
}

.site-readout {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 18px 20px;
  margin-bottom: 22px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--accent-deep), #1d6fc8);
  color: #fff;
}

.site-readout__value {
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 800;
  line-height: 0.9;
}

.site-readout__label {
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.field-label {
  display: block;
  margin-bottom: 10px;
  font-size: 0.98rem;
  font-weight: 700;
}

.site-slider {
  width: 100%;
  height: 14px;
  margin: 0;
  border-radius: 999px;
  appearance: none;
  background:
    linear-gradient(
      90deg,
      var(--accent-deep) 0,
      var(--accent-deep) var(--slider-progress),
      var(--accent-soft) var(--slider-progress),
      var(--accent-soft) 100%
    );
}

.site-slider:focus-visible,
.site-input:focus-visible,
.cta-link:focus-visible {
  outline: 3px solid rgba(31, 122, 224, 0.3);
  outline-offset: 3px;
}

.site-slider::-webkit-slider-thumb {
  width: 28px;
  height: 28px;
  border: 5px solid #fff;
  border-radius: 50%;
  appearance: none;
  background: var(--accent);
  box-shadow: 0 10px 20px rgba(31, 122, 224, 0.35);
}

.site-slider::-moz-range-thumb {
  width: 28px;
  height: 28px;
  border: 5px solid #fff;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 10px 20px rgba(31, 122, 224, 0.35);
}

.slider-marks {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  min-height: 34px;
  margin-top: 10px;
}

.slider-mark {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  text-align: center;
}

.slider-mark::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(18, 61, 104, 0.2);
}

.field-group {
  margin-top: 20px;
}

.site-input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(18, 61, 104, 0.16);
  border-radius: var(--radius-md);
  font: inherit;
  color: var(--text);
  background: #fff;
}

.field-help {
  margin-top: 12px;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--muted);
}

.pricing-status {
  margin-top: 24px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(207, 231, 255, 0.55);
}

.pricing-status__value {
  margin-top: 6px;
  font-weight: 700;
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 16px;
}

.results-title {
  font-size: clamp(1.55rem, 2vw, 2.25rem);
  letter-spacing: -0.03em;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  background: rgba(31, 157, 104, 0.12);
  color: var(--success);
}

.badge.badge--warning {
  background: rgba(214, 129, 0, 0.14);
  color: var(--warning);
}

.vendor-grid,
.metric-grid {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.vendor-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.vendor-card,
.metric-card,
.message-card {
  border: 1px solid rgba(18, 61, 104, 0.1);
  border-radius: var(--radius-lg);
  background: #fff;
}

.vendor-card,
.metric-card {
  padding: 20px;
}

.vendor-card--accent {
  background:
    linear-gradient(180deg, rgba(31, 122, 224, 0.07), rgba(31, 122, 224, 0.03)),
    #fff;
}

.vendor-card__header {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 16px;
}

.vendor-card__amount,
.metric-card__value {
  font-size: clamp(2rem, 2.6vw, 2.7rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
}

.vendor-card__meta,
.vendor-card__note,
.message-card__body,
.message-card__fallback,
.results-footnote {
  line-height: 1.6;
  color: var(--muted);
}

.vendor-card__meta {
  margin-top: 12px;
  font-weight: 700;
}

.vendor-card__note {
  margin-top: 6px;
  font-size: 0.94rem;
}

.metric-card {
  min-height: 156px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.metric-card__label {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--muted);
}

.metric-card--highlight {
  background: linear-gradient(135deg, #0f3257, #1f7ae0);
  color: #fff;
}

.metric-card--highlight .metric-card__label {
  color: rgba(255, 255, 255, 0.72);
}

.metric-card--highlight .metric-card__value {
  color: #fff;
}

.message-card {
  margin-top: 18px;
  padding: 20px;
  background: rgba(242, 248, 255, 0.72);
}

.message-card__title {
  font-size: 1.08rem;
  margin-bottom: 10px;
}

.message-card__fallback {
  margin-top: 10px;
  font-weight: 700;
  color: var(--warning);
}

.results-footer {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.cta-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 14px 30px rgba(31, 122, 224, 0.28);
}

.footnotes {
  padding: 22px 24px;
}

.footnotes h2 {
  font-size: 1rem;
  margin-bottom: 12px;
}

.footnotes ul {
  display: grid;
  gap: 10px;
  padding-left: 20px;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.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: 980px) {
  .calculator {
    grid-template-columns: 1fr;
  }

  .calculator__panel--control {
    position: static;
  }

  .vendor-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 100%);
    padding: 36px 0 48px;
  }

  .calculator__panel,
  .footnotes {
    padding: 20px;
  }

  .results-header,
  .results-footer {
    flex-direction: column;
    align-items: start;
  }
}