* {
  box-sizing: border-box;
}

:root {
  --bg: #f6faf7;
  --surface: #ffffff;
  --primary: #2d8a56;
  --primary-dark: #1f6540;
  --text: #16231b;
  --muted: #637268;
  --border: #dce9e1;
  --soft: #edf7f1;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(45, 138, 86, 0.12), transparent 34rem),
    linear-gradient(180deg, #f7fbf8 0%, #eef7f2 100%);
}

a {
  color: var(--primary-dark);
  font-weight: 700;
}

.container {
  width: min(1040px, 92%);
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--primary), #6bd59c);
  box-shadow: 0 12px 28px rgba(45, 138, 86, 0.18);
}

.nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

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

.hero {
  padding: 52px 0 28px;
  text-align: center;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.05;
}

.hero p {
  max-width: 760px;
  margin: 16px auto 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.65;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
  margin: 28px 0;
}

.card,
.content {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: 0 18px 48px rgba(21, 46, 30, 0.06);
}

.card {
  padding: 20px;
}

.card h2,
.card h3,
.content h2 {
  margin: 0 0 10px;
  color: var(--primary-dark);
}

.card p,
.content p,
.content li {
  color: var(--muted);
  line-height: 1.7;
}

.content {
  padding: clamp(20px, 4vw, 34px);
  margin: 0 0 24px;
}

.content h1 {
  margin: 0 0 8px;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

.content h2 {
  margin-top: 28px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: 999px;
  color: var(--primary-dark);
  background: var(--soft);
  font-weight: 800;
}

.cta {
  display: inline-flex;
  margin-top: 18px;
  padding: 12px 18px;
  border-radius: 14px;
  color: #ffffff;
  background: var(--primary);
  text-decoration: none;
}

.notice {
  padding: 16px;
  border-radius: 16px;
  background: #fff8e7;
  border: 1px solid #f0d28a;
  color: #6c5520;
}

.collab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.collab-grid article {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--soft);
}

.collab-grid h3 {
  margin: 0 0 8px;
  color: var(--primary-dark);
}

.collab-grid p {
  margin: 0;
}

.pix-box {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  padding: 16px;
  border: 1px dashed rgba(45, 138, 86, 0.45);
  border-radius: 18px;
  background: #f8fcf9;
}

.pix-box span {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.pix-box strong {
  color: var(--text);
  word-break: break-all;
}

.pix-box button {
  width: fit-content;
  margin-top: 4px;
  padding: 10px 14px;
  border: 0;
  border-radius: 12px;
  color: #ffffff;
  background: var(--primary);
  cursor: pointer;
  font: inherit;
  font-weight: 800;
}

footer {
  padding: 26px 0 34px;
  color: #7b8981;
  text-align: center;
}

@media (max-width: 640px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }
}