:root {
  color-scheme: light;

  --bg: #fffdf9;
  --bg-soft: #fff4e2;
  --panel: #ffffff;
  --ink: #1d1a15;
  --muted: #6f6559;
  --line: rgba(29, 26, 21, 0.12);

  --accent: #d14a2f;
  --accent-2: #0f5b5b;
  --accent-3: #f0b44d;

  --shadow: 0 18px 40px rgba(17, 12, 8, 0.08);
  --radius: 18px;
  --max: 900px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
}

a {
  color: var(--accent-2);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

.container {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
}

.article-wrap {
  padding: clamp(32px, 7vw, 78px) 0;
}

.breadcrumb {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.94rem;
}

.breadcrumb span {
  color: var(--muted);
}

.article-header {
  margin-top: 20px;
  margin-bottom: 28px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 6px 14px;
  background: rgba(15, 91, 91, 0.12);
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  font-family: "Bebas Neue", "Impact", sans-serif;
  letter-spacing: 0.02em;
  margin: 0;
  line-height: 1.18;
}

h1 {
  margin-top: 16px;
  font-size: clamp(32px, 4.6vw, 56px);
}

h2 {
  margin-top: 42px;
  margin-bottom: 12px;
  font-size: clamp(26px, 3.5vw, 38px);
}

h3 {
  margin-top: 20px;
  margin-bottom: 8px;
  font-size: clamp(22px, 2.8vw, 30px);
}

.article-meta {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--muted);
  font-size: 0.95rem;
}

.article-intro {
  margin-top: 18px;
  font-size: 1.1rem;
  color: var(--ink);
}

.article-cover {
  margin: 22px 0 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}

.article-cover img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
}

.article-cover figcaption {
  padding: 10px 14px;
  color: var(--muted);
  font-size: 0.92rem;
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  content-visibility: auto;
  contain-intrinsic-size: 220px;
}

.card + .card {
  margin-top: 12px;
}

.callout {
  border-left: 4px solid var(--accent);
  background: linear-gradient(130deg, rgba(209, 74, 47, 0.12), rgba(15, 91, 91, 0.09));
}

.checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.checklist li {
  position: relative;
  padding-left: 20px;
}

.checklist li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.quote {
  margin: 20px 0;
  padding: 16px 18px;
  border-radius: 14px;
  border-left: 4px solid var(--accent);
  background: rgba(209, 74, 47, 0.08);
  font-weight: 600;
}

.table-wrap {
  margin: 18px 0;
  overflow-x: auto;
  content-visibility: auto;
  contain-intrinsic-size: 360px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
  font-size: 0.95rem;
}

th,
td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--bg-soft);
}

.formula {
  margin: 16px 0;
  border-radius: 14px;
  border: 1px dashed rgba(15, 91, 91, 0.42);
  background: rgba(15, 91, 91, 0.07);
  padding: 14px 16px;
  font-weight: 600;
  overflow-x: auto;
}

.calculator {
  margin-top: 22px;
  padding: 22px;
  border: 1px solid rgba(15, 91, 91, 0.24);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(240, 180, 77, 0.16), rgba(15, 91, 91, 0.1));
  content-visibility: auto;
  contain-intrinsic-size: 520px;
}

.calculator-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.field {
  display: grid;
  gap: 6px;
}

.field label {
  font-weight: 600;
  font-size: 0.92rem;
}

.field input {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
  background: #fff;
}

.calculator-result {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.86);
}

.calculator-result p {
  margin: 6px 0;
}

.result-good {
  color: #0b6b45;
  font-weight: 700;
}

.result-bad {
  color: #8d2e1b;
  font-weight: 700;
}

.sources {
  margin-top: 26px;
  content-visibility: auto;
  contain-intrinsic-size: 320px;
}

.sources ol {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
}

.sources li {
  color: var(--muted);
}

.article-footer {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  content-visibility: auto;
  contain-intrinsic-size: 96px;
}

.article-footer a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(29, 26, 21, 0.18);
  padding: 10px 16px;
  font-weight: 700;
  color: var(--ink);
}

.article-footer a:hover,
.article-footer a:focus {
  text-decoration: none;
  transform: translateY(-1px);
}

.article-bridge {
  margin-top: 34px;
  padding: 24px;
  border-radius: 28px;
  background:
    radial-gradient(circle at top right, rgba(240, 180, 77, 0.18), transparent 38%),
    linear-gradient(160deg, rgba(15, 91, 91, 0.08), rgba(209, 74, 47, 0.06));
  border: 1px solid rgba(29, 26, 21, 0.08);
  box-shadow: var(--shadow);
  content-visibility: auto;
  contain-intrinsic-size: 680px;
}

.article-bridge-proof {
  display: grid;
  gap: 10px;
  padding: 16px 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.78);
}

.article-bridge-proof span {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 6px 12px;
  background: rgba(15, 91, 91, 0.12);
  color: var(--accent-2);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.article-bridge-proof p,
.article-bridge-body,
.article-bridge-tertiary {
  margin: 0;
  color: var(--muted);
}

.article-bridge-grid {
  margin-top: 16px;
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
}

.article-bridge-card {
  display: grid;
  gap: 14px;
  padding: 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.88);
}

.article-bridge-card-primary {
  border: 1px solid rgba(15, 91, 91, 0.12);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(244, 249, 246, 0.96)),
    rgba(255, 255, 255, 0.9);
}

.article-bridge-card-secondary {
  align-content: start;
  border: 1px solid rgba(29, 26, 21, 0.08);
}

.article-bridge-eyebrow {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 6px 12px;
  background: rgba(209, 74, 47, 0.1);
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.article-bridge-card-secondary .article-bridge-eyebrow {
  background: rgba(15, 91, 91, 0.1);
  color: var(--accent-2);
}

.article-bridge-title {
  margin: 0;
  font-size: clamp(1.7rem, 5vw, 2.4rem);
  line-height: 1.02;
}

.article-bridge-card-secondary .article-bridge-title {
  font-size: clamp(1.35rem, 4.2vw, 1.8rem);
}

.article-bridge-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.article-bridge-list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.96rem;
  color: var(--ink);
}

.article-bridge-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.article-bridge-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.article-bridge-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.article-bridge-button:hover,
.article-bridge-button:focus {
  text-decoration: none;
  transform: translateY(-1px);
}

.article-bridge-button-primary {
  background: linear-gradient(135deg, var(--accent-2), #114848);
  color: #f8f9f6;
  box-shadow: 0 16px 28px rgba(15, 91, 91, 0.18);
}

.article-bridge-button-secondary {
  border: 1px solid rgba(29, 26, 21, 0.12);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.82);
}

.article-bridge-tertiary {
  margin-top: 16px;
  font-size: 0.95rem;
}

@media (max-width: 760px) {
  .calculator-grid {
    grid-template-columns: 1fr;
  }

  .article-bridge {
    padding: 18px;
    border-radius: 24px;
  }

  .article-bridge-grid {
    grid-template-columns: 1fr;
  }

  .article-bridge-card {
    padding: 18px;
    border-radius: 22px;
  }
}