:root {
  --bg: #f6f1ec;
  --surface: #ffffff;
  --ink: #231b2e;
  --muted: #6c6274;
  --accent: #d0623a;
  --accent-soft: rgba(208, 98, 58, 0.18);
  --border: rgba(35, 27, 46, 0.12);
}

html {
  scroll-behavior: smooth;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Source Sans 3", system-ui, sans-serif;
  background: radial-gradient(circle at top right, rgba(208, 98, 58, 0.12), transparent 60%), var(--bg);
  color: var(--ink);
  line-height: 1.7;
}

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

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

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.back-link::before {
  content: "←";
  font-size: 1rem;
}

header {
  padding: clamp(2.8rem, 7vw, 4rem) clamp(1.5rem, 7vw, 4.5rem) 2.2rem;
  position: relative;
}

header h1 {
  font-family: "Playfair Display", serif;
  margin: 1.4rem 0 0.8rem;
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  line-height: 1.18;
}

header p {
  max-width: 720px;
  color: var(--muted);
}

.policy-container {
  width: min(1100px, 92vw);
  margin: 0 auto 4.5rem;
  display: grid;
  gap: clamp(2rem, 5vw, 3.6rem);
}

.intro-panel,
.matrix,
.timeline-block,
.share-block,
.cta-card {
  background: var(--surface);
  border-radius: 22px;
  border: 1px solid var(--border);
  box-shadow: 0 18px 36px rgba(35, 27, 46, 0.06);
  padding: clamp(1.8rem, 4vw, 2.6rem);
  display: grid;
  gap: 1.2rem;
}

.intro-panel h2,
.matrix h2,
.timeline-block h2,
.share-block h2 {
  margin: 0;
  font-family: "Playfair Display", serif;
  font-size: 1.6rem;
}

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.chip {
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
}

.matrix-grid {
  display: grid;
  gap: 1.2rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.matrix-card {
  background: #fdf9f6;
  border-radius: 18px;
  border: 1px solid var(--border);
  padding: 1.4rem;
  display: grid;
  gap: 0.6rem;
}

.matrix-card h3 {
  margin: 0;
  font-family: "Playfair Display", serif;
  font-size: 1.15rem;
}

.matrix-card p {
  margin: 0;
  color: var(--muted);
}

.matrix-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.timeline-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: steps;
  display: grid;
  gap: 1rem;
}

.timeline-list li {
  position: relative;
  padding: 1.2rem 1.5rem 1.1rem 3.6rem;
  background: #fdf9f6;
  border-radius: 18px;
  border: 1px solid var(--border);
}

.timeline-list li::before {
  counter-increment: steps;
  content: counter(steps);
  position: absolute;
  left: 1.4rem;
  top: 1.2rem;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 600;
}

.share-columns {
  display: grid;
  gap: 1.2rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.share-columns article {
  background: #fbf6f2;
  border-radius: 18px;
  border: 1px solid var(--border);
  padding: 1.4rem;
  color: var(--muted);
}

.cta-card {
  background: linear-gradient(130deg, rgba(208, 98, 58, 0.15), rgba(255, 255, 255, 0.95));
  font-weight: 600;
}

.cta-card a {
  font-weight: 700;
}

footer {
  padding: 2.6rem clamp(1.8rem, 7vw, 4.5rem) 3.8rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.95rem;
  color: var(--muted);
}

footer a {
  color: var(--accent);
  font-weight: 600;
}

@media (max-width: 720px) {
  footer {
    flex-direction: column;
    align-items: flex-start;
  }
}