.pf-breadcrumbs {
  padding-top: 1rem;
  color: var(--pf-subtle);
  font-size: 0.9rem;
}

.pf-breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pf-breadcrumbs li:not(:last-child)::after {
  margin-left: 0.35rem;
  color: var(--pf-subtle);
  content: "/";
}

.pf-hub-hero,
.pf-article-hero {
  padding: 3.5rem 0;
  background: radial-gradient(circle at 85% 15%, rgba(16, 185, 129, 0.14), transparent 30rem);
}

.pf-hub-hero h1,
.pf-article-hero h1 {
  max-width: 880px;
  margin: 0;
  font-size: clamp(2.25rem, 7vw, 4.25rem);
  line-height: 1.06;
  letter-spacing: -0.04em;
}

.pf-hub-hero .pf-lede,
.pf-article-hero .pf-lede {
  max-width: 760px;
}

.pf-card-grid.pf-grid-two {
  grid-template-columns: 1fr;
}

.pf-card-link {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  color: var(--pf-text) !important;
  text-decoration: none;
}

.pf-card-link:hover h2,
.pf-card-link:hover h3 {
  color: var(--pf-green-light);
}

.pf-card-link p {
  flex: 1;
}

.pf-card-kicker {
  color: var(--pf-green-light) !important;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pf-calculator-layout {
  display: grid;
  gap: 1.5rem;
  align-items: start;
}

.pf-calculator-card,
.pf-result-card {
  padding: clamp(1rem, 4vw, 2rem);
  border: 1px solid var(--pf-border);
  border-radius: 22px;
  background: var(--pf-surface);
}

.pf-form-grid {
  display: grid;
  gap: 1rem;
}

.pf-fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

.pf-fieldset legend,
.pf-field label,
.pf-field-label {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--pf-text);
  font-weight: 750;
}

.pf-radio-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
}

.pf-radio-row label {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 0.45rem;
  color: var(--pf-muted);
}

.pf-field input,
.pf-field select {
  width: 100%;
  min-height: 48px;
  padding: 0.65rem 0.75rem;
  border: 1px solid #52647f;
  border-radius: 10px;
  background: #081224;
  color: var(--pf-text);
  font: inherit;
}

.pf-field input:focus-visible,
.pf-field select:focus-visible,
.pf-radio-row input:focus-visible {
  outline: 3px solid var(--pf-green-light);
  outline-offset: 2px;
}

.pf-input-with-unit {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.65rem;
}

.pf-field-help {
  margin: 0.35rem 0 0;
  color: var(--pf-subtle) !important;
  font-size: 0.86rem;
}

.pf-form-error {
  padding: 0.8rem 1rem;
  border: 1px solid #f87171;
  border-radius: 10px;
  background: rgba(239, 68, 68, 0.12);
  color: #fecaca !important;
}

.pf-calculator-card .pf-button {
  width: 100%;
  margin-top: 0.5rem;
  cursor: pointer;
  font: inherit;
}

.pf-result-card {
  border-color: #1d8066;
  background: linear-gradient(145deg, rgba(16, 185, 129, 0.13), var(--pf-surface));
}

.pf-result-card[hidden],
.pf-form-error[hidden],
[data-unit][hidden] {
  display: none;
}

.pf-result-card:focus {
  outline: 3px solid var(--pf-green-light);
  outline-offset: 3px;
}

.pf-result-card h2 {
  font-size: clamp(1.55rem, 4vw, 2rem);
}

.pf-result-grid,
.pf-nutrition-grid {
  display: grid;
  gap: 0.8rem;
  margin: 1rem 0;
}

.pf-result-value,
.pf-nutrient {
  padding: 1rem;
  border: 1px solid var(--pf-border);
  border-radius: 14px;
  background: rgba(2, 6, 23, 0.65);
}

.pf-result-value span,
.pf-result-value small,
.pf-nutrient span,
.pf-nutrient small {
  display: block;
  color: var(--pf-subtle);
}

.pf-result-value strong,
.pf-nutrient strong {
  display: block;
  margin: 0.2rem 0;
  color: var(--pf-text);
  font-size: clamp(1.45rem, 5vw, 2rem);
  line-height: 1.1;
}

.pf-article-layout {
  display: grid;
  gap: 2rem;
}

.pf-article-body {
  max-width: 760px;
}

.pf-article-body h2 {
  margin: 2.75rem 0 0.8rem;
  font-size: clamp(1.65rem, 4vw, 2.25rem);
  line-height: 1.2;
}

.pf-article-body h3 {
  margin-top: 2rem;
}

.pf-article-body p,
.pf-article-body li {
  color: var(--pf-muted);
}

.pf-article-body li + li {
  margin-top: 0.55rem;
}

.pf-callout {
  margin: 2rem 0;
  padding: 1.2rem;
  border-left: 4px solid var(--pf-green);
  border-radius: 0 12px 12px 0;
  background: rgba(16, 185, 129, 0.09);
}

.pf-source-list {
  overflow-wrap: anywhere;
}

.pf-source-list li + li {
  margin-top: 0.65rem;
}

.pf-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--pf-border);
  border-radius: 16px;
}

.pf-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 580px;
}

.pf-table th,
.pf-table td {
  padding: 0.85rem;
  border-bottom: 1px solid var(--pf-border);
  text-align: left;
}

.pf-table th {
  background: var(--pf-surface-soft);
  color: var(--pf-text);
}

.pf-table td {
  color: var(--pf-muted);
}

.pf-serving-note {
  color: var(--pf-subtle);
  font-size: 0.92rem;
}

@media (min-width: 640px) {
  .pf-form-grid,
  .pf-result-grid,
  .pf-nutrition-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .pf-calculator-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  }

  .pf-result-card {
    position: sticky;
    top: 1rem;
  }

  .pf-article-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
  }
}