:root {
  --bg: #f6f0e6;
  --ink: #231a10;
  --sage: #c2b59b;
  --clay: #a56a3f;
  --cloud: rgba(255, 255, 255, 0.9);
}

html {
  scroll-behavior: smooth;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Manrope", system-ui, sans-serif;
  background: radial-gradient(circle at top, rgba(194, 181, 155, 0.25), transparent 60%), #f6f0e6;
  color: var(--ink);
  line-height: 1.7;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.3rem;
  border-radius: 999px;
  background: rgba(165, 106, 63, 0.16);
  color: var(--clay);
  font-weight: 600;
  text-decoration: none;
}

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

header {
  padding: 3.2rem clamp(24px, 8vw, 96px) 2.4rem;
  display: grid;
  gap: 1.2rem;
}

header h1 {
  font-family: "Prata", serif;
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  margin: 0;
}

header p {
  max-width: 720px;
  color: rgba(35, 26, 16, 0.7);
}

.blueprint {
  max-width: 1120px;
  margin: 0 auto 4.5rem;
  padding: 0 clamp(24px, 7vw, 96px);
  display: grid;
  gap: clamp(24px, 5vw, 64px);
}

.stage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(18px, 4vw, 32px);
}

.stage-card {
  background: var(--cloud);
  border-radius: 26px;
  padding: clamp(20px, 4vw, 36px);
  border: 1px solid rgba(165, 106, 63, 0.25);
  box-shadow: 0 22px 45px rgba(35, 26, 16, 0.1);
}

.stage-card h2,
.stage-card h3 {
  font-family: "Prata", serif;
  margin: 0 0 0.8rem;
}

.stage-card ul {
  margin: 0.6rem 0 0;
  padding-left: 1.1rem;
}

.flow-chart {
  background: linear-gradient(130deg, rgba(165, 106, 63, 0.12), rgba(255, 255, 255, 0.95));
  border-radius: 30px;
  padding: clamp(24px, 5vw, 52px);
  border: 1px solid rgba(165, 106, 63, 0.25);
  display: grid;
  gap: clamp(16px, 3vw, 28px);
}

.flow-steps {
  list-style: none;
  counter-reset: flow;
  display: grid;
  gap: 1.2rem;
  margin: 0;
  padding: 0;
}

.flow-steps li {
  position: relative;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 22px;
  padding: 1.4rem 1.6rem 1.4rem 3.6rem;
  border: 1px solid rgba(165, 106, 63, 0.22);
  box-shadow: 0 18px 36px rgba(35, 26, 16, 0.08);
}

.flow-steps li::before {
  counter-increment: flow;
  content: counter(flow);
  position: absolute;
  left: 1.2rem;
  top: 1.2rem;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: var(--clay);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 600;
}

.stack {
  background: #fffefb;
  border-radius: 28px;
  border: 1px solid rgba(194, 181, 155, 0.4);
  padding: clamp(24px, 5vw, 50px);
  display: grid;
  gap: 1.4rem;
}

.stack dl {
  margin: 0;
  display: grid;
  gap: 1.2rem;
}

.stack dt {
  font-family: "Prata", serif;
  font-size: 1.1rem;
}

.stack dd {
  margin: 0.3rem 0 0;
}

.rights {
  background: var(--cloud);
  border-radius: 28px;
  padding: clamp(22px, 4vw, 44px);
  border: 1px solid rgba(165, 106, 63, 0.2);
  box-shadow: 0 18px 36px rgba(35, 26, 16, 0.08);
}

.rights h2 {
  font-family: "Prata", serif;
  margin-top: 0;
}

.rights p {
  margin-bottom: 1rem;
}

.rights a {
  color: var(--clay);
  font-weight: 600;
}

footer {
  padding: 2.6rem clamp(24px, 8vw, 112px) 4rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.95rem;
}

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

@media (max-width: 720px) {
  .flow-steps li {
    padding-left: 3rem;
  }

  footer {
    flex-direction: column;
    align-items: flex-start;
  }
}