:root {
  --color-bg: #f7f9f8;
  --color-surface: #ffffff;
  --color-text: #1f2a2e;
  --color-muted: #5a6a70;
  --color-border: #d7e0e2;
  --color-primary: #2f6f63;
  --color-primary-dark: #24584f;
  --color-accent: #e8f2ef;
  --color-warning-bg: #fff8e8;
  --color-warning-border: #e8d4a0;
  --shadow-sm: 0 1px 3px rgba(31, 42, 46, 0.06);
  --radius: 10px;
  --max-width: 960px;
  --font-sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
}

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

a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:hover,
a:focus-visible {
  color: var(--color-primary-dark);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 1rem;
  z-index: 1000;
}

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

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header-inner,
.content-wrap,
.site-footer {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.brand a {
  color: var(--color-text);
  text-decoration: none;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand span {
  color: var(--color-muted);
  font-size: 0.92rem;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  text-decoration: none;
  font-weight: 600;
  color: var(--color-muted);
}

.site-nav a[aria-current="page"] {
  color: var(--color-primary);
}

main {
  padding: 2rem 0 3rem;
}

.content-wrap > *:first-child {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(1.9rem, 4vw, 2.5rem);
  margin-bottom: 0.75rem;
}

h2 {
  font-size: 1.45rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  padding-top: 0.25rem;
  border-top: 1px solid var(--color-border);
}

h3 {
  font-size: 1.15rem;
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

.lead {
  font-size: 1.15rem;
  color: var(--color-muted);
  max-width: 65ch;
}

.hero {
  background: linear-gradient(135deg, var(--color-accent), var(--color-surface));
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  margin-bottom: 2rem;
}

.hero p:last-child {
  margin-bottom: 0;
}

.disclaimer {
  background: var(--color-warning-bg);
  border: 1px solid var(--color-warning-border);
  border-radius: var(--radius);
  margin-top: 2rem;
  padding: 1rem 1.15rem;
  font-size: 0.95rem;
}

.symptom-guide {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin: 2rem 0;
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.symptom-guide > h2 {
  margin-top: 0;
  border-top: 0;
  padding-top: 0;
}

.symptom-guide fieldset {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin: 1rem 0 0;
  padding: 0.9rem 1rem 1rem;
}

.symptom-guide legend {
  font-weight: 600;
  padding: 0 0.25rem;
}

.symptom-guide__options {
  display: grid;
  gap: 0.55rem;
  margin-top: 0.75rem;
}

.symptom-guide__option {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
}

.symptom-guide__option input {
  margin-top: 0.2rem;
}

.symptom-guide__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.symptom-guide__button {
  appearance: none;
  border: 1px solid var(--color-primary);
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
  font: inherit;
  font-weight: 600;
  padding: 0.55rem 1rem;
  cursor: pointer;
}

.symptom-guide__button:hover,
.symptom-guide__button:focus-visible {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.symptom-guide__button--secondary {
  background: var(--color-surface);
  color: var(--color-primary-dark);
}

.symptom-guide__result {
  background: var(--color-accent);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-top: 1rem;
  padding: 1rem 1.1rem;
}

.symptom-guide__result[hidden] {
  display: none;
}

.symptom-guide__result h3 {
  margin-top: 0;
}

.symptom-guide__food-list {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.symptom-guide__food-list a {
  display: inline-block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text);
  font-weight: 600;
  padding: 0.25rem 0.7rem;
  text-decoration: none;
}

.symptom-guide__food-list a:hover,
.symptom-guide__food-list a:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}

.symptom-guide__note {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin-bottom: 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.15rem;
  box-shadow: var(--shadow-sm);
}

.card h2,
.card h3 {
  margin-top: 0;
  border-top: 0;
  padding-top: 0;
  font-size: 1.1rem;
}

.card p:last-child {
  margin-bottom: 0;
}

.meta {
  color: var(--color-muted);
  font-size: 0.92rem;
}

.news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.news-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.news-item h2,
.news-item h3 {
  margin: 0 0 0.5rem;
  border: 0;
  padding: 0;
  font-size: 1.2rem;
}

.news-section {
  margin: 2rem 0 0;
}

.news-section > h2 {
  margin: 0 0 1rem;
  border-top: 0;
  padding-top: 0;
}

.news-item--aktuellt {
  border-width: 2px;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.news-item--forskning {
  border-width: 1px;
}

.news-section .news-item + .news-item {
  margin-top: 1rem;
}

.food-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
}

.food-grid a {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
}

.food-grid a:hover,
.food-grid a:focus-visible {
  border-color: var(--color-primary);
  background: var(--color-accent);
}

.section-intro {
  max-width: 70ch;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.98rem;
}

th,
td {
  border: 1px solid var(--color-border);
  padding: 0.65rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--color-accent);
}

ul,
ol {
  padding-left: 1.25rem;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 1.5rem 0 2rem;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0.35rem 0;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
}

.tag-list a,
.tag {
  display: inline-block;
  background: var(--color-accent);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text);
  font-size: 0.92rem;
  padding: 0.2rem 0.7rem;
  text-decoration: none;
}

.tag-list a:hover,
.tag-list a:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}

.supplement-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin: 1.25rem 0;
  padding: 1.15rem;
}

.supplement-panel h3 {
  margin-top: 0;
}

.figure-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin: 1.25rem 0;
  padding: 1rem;
}

.figure-panel img,
.figure-panel svg,
.figure-panel .diagram-svg {
  display: block;
  width: 100%;
  max-width: 640px;
  height: auto;
  margin: 0 auto;
}

.figure-panel figcaption {
  color: var(--color-muted);
  font-size: 0.92rem;
  margin-top: 0.75rem;
}

.link-list {
  margin: 0.5rem 0 0;
  padding-left: 1.25rem;
}

@media (max-width: 640px) {
  body {
    font-size: 1rem;
  }

  .header-inner {
    align-items: flex-start;
  }
}