:root {
  --cs-brand: #4b0082;
  --cs-brand-dark: #35005c;
  --cs-accent: #f6a54f;
  --cs-accent-soft: #fff2df;
  --cs-ink: #171321;
  --cs-muted: #615b6f;
  --cs-border: #e8e2ee;
  --cs-bg: #fcfbfd;
  --cs-panel: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--cs-ink);
  background: var(--cs-bg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.6;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--cs-brand);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--cs-brand-dark);
}

.site-header {
  background: var(--cs-brand);
}

.navbar-brand {
  font-weight: 800;
}

.navbar-brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.nav-link {
  font-weight: 600;
}

.hero {
  color: #fff;
  background: linear-gradient(110deg, var(--cs-brand), #6d2a94);
  border-radius: 8px;
  padding: clamp(2rem, 4vw, 4.5rem);
}

.hero p {
  color: rgba(255, 255, 255, 0.88);
}

.hero-media {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  padding: 1rem;
}

.hero-media img {
  display: block;
  margin-inline: auto;
  max-height: 210px;
  object-fit: contain;
}

.eyebrow {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 0.85rem;
  padding: 0.3rem 0.65rem;
  color: #7a3300;
  background: var(--cs-accent-soft);
  border: 1px solid rgba(246, 165, 79, 0.45);
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 800;
}

.section-kicker {
  color: var(--cs-brand);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.card,
.panel {
  background: var(--cs-panel);
  border: 1px solid var(--cs-border);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(23, 19, 33, 0.06);
}

.calculator-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
}

@media (min-width: 992px) {
  .calculator-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  }
}

.panel {
  padding: clamp(1rem, 3vw, 1.5rem);
}

.form-control,
.form-select,
.btn {
  border-radius: 8px;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--cs-brand);
  box-shadow: 0 0 0 0.2rem rgba(75, 0, 130, 0.15);
}

.btn-primary {
  background: var(--cs-brand);
  border-color: var(--cs-brand);
  font-weight: 700;
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--cs-brand-dark);
  border-color: var(--cs-brand-dark);
}

.btn-outline-primary {
  color: var(--cs-brand);
  border-color: var(--cs-brand);
  font-weight: 700;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background: var(--cs-brand);
  border-color: var(--cs-brand);
}

.btn-accent {
  color: #331900;
  background: var(--cs-accent);
  border-color: var(--cs-accent);
  font-weight: 800;
}

.btn-accent:hover,
.btn-accent:focus {
  color: #231000;
  background: #e69136;
  border-color: #e69136;
}

.result-box {
  min-height: 164px;
  padding: 1rem;
  background: rgba(75, 0, 130, 0.07);
  border: 1px solid rgba(75, 0, 130, 0.14);
  border-radius: 8px;
}

.result-value {
  color: var(--cs-brand);
  font-size: clamp(1.65rem, 4vw, 2.35rem);
  font-weight: 850;
  line-height: 1.15;
}

.metric-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.75rem;
  margin: 1rem 0 0;
}

@media (min-width: 576px) {
  .metric-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.metric {
  padding: 0.75rem;
  background: #fff;
  border: 1px solid var(--cs-border);
  border-radius: 8px;
}

.metric span {
  display: block;
  color: var(--cs-muted);
  font-size: 0.875rem;
}

.metric strong {
  display: block;
  color: var(--cs-ink);
  font-size: 1.05rem;
}

.insights {
  padding: 1rem;
  background: var(--cs-accent-soft);
  border: 1px solid rgba(246, 165, 79, 0.42);
  border-radius: 8px;
}

.insights ul {
  padding-left: 1.2rem;
  margin-bottom: 0;
}

.insights li + li {
  margin-top: 0.45rem;
}

.content-block {
  max-width: 780px;
}

.category-icon {
  display: inline-grid;
  width: 42px;
  height: 42px;
  margin-bottom: 0.85rem;
  color: #fff;
  background: var(--cs-brand);
  border-radius: 8px;
  font-weight: 850;
  place-items: center;
}

.breadcrumb {
  --bs-breadcrumb-divider-color: var(--cs-muted);
}

.breadcrumb-item.active {
  color: var(--cs-muted);
}

.text-brand {
  color: var(--cs-brand);
}

.text-muted-smart {
  color: var(--cs-muted);
}

.site-footer {
  color: #fff;
  background: #21142e;
}

.site-footer a {
  color: #ffd9ad;
}

.skip-link {
  position: absolute;
  left: -999px;
  z-index: 1000;
  padding: 0.5rem 0.75rem;
  color: #fff;
  background: var(--cs-brand);
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}