:root {
  color-scheme: light;
  --ink: #14221c;
  --muted: #3d5248;
  --green: #0f7a4a;
  --green-deep: #0c5c38;
  --deep: #102923;
  --paper: #f3f6f4;
  --card: #ffffff;
  --line: #d7e3dc;
  --warn: #6d4e12;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", system-ui, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 100% -10%, rgba(15, 122, 74, 0.16), transparent 60%),
    var(--paper);
}

a { color: inherit; }

.wrap {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0 8px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.03em;
  text-decoration: none;
  font-size: 20px;
}

.mark {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: var(--green);
  box-shadow: 8px 8px 0 rgba(16, 41, 35, 0.12);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  background: var(--green);
  color: white;
  text-decoration: none;
  font-weight: 700;
}

.button.dark { background: var(--deep); }
.button.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 36px;
  align-items: center;
  padding: 48px 0 28px;
}

.kicker {
  margin: 0 0 10px;
  color: var(--green);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 13px;
}

h1 {
  margin: 0;
  font-size: clamp(40px, 6vw, 68px);
  line-height: 0.95;
  letter-spacing: -0.045em;
}

.lede {
  max-width: 46ch;
  font-size: 18px;
  line-height: 1.55;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.panel {
  background: var(--deep);
  color: #e7f3ee;
  border-radius: 28px;
  padding: 22px;
  box-shadow: 0 24px 50px rgba(16, 41, 35, 0.16);
}

.panel header,
.row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.panel p { margin: 8px 0; color: #c9ddd3; }

.pill {
  border-radius: 999px;
  padding: 4px 10px;
  background: #d8f3e4;
  color: #0d5c38;
  font-size: 13px;
  font-weight: 700;
}

.fake-msg {
  margin-top: 18px;
  background: #18382f;
  border-radius: 18px;
  padding: 14px 16px;
}

.fake-msg strong { display: block; margin-bottom: 6px; }
.fake-msg span { color: #d5ebe2; line-height: 1.45; }

.band {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 0.9fr;
  gap: 14px;
  padding-bottom: 18px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 18px 18px 16px;
}

.card h2,
.steps h2,
.note h2 {
  margin: 0 0 8px;
  font-size: 20px;
  letter-spacing: -0.03em;
}

.card p,
.steps p,
.note p { margin: 0; color: var(--muted); line-height: 1.5; }

.steps {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 22px;
  padding: 18px 0 8px;
}

ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

li {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  align-items: start;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px;
}

li b {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: #e5f6ee;
  color: var(--green-deep);
}

code {
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.92em;
}

.note {
  margin: 22px 0;
  padding: 18px 20px;
  border-radius: 22px;
  background: #fff8ea;
  color: var(--warn);
}

.note p { color: var(--warn); }

footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0 36px;
  color: var(--muted);
}

footer a { color: var(--green-deep); font-weight: 700; }

@media (max-width: 800px) {
  .hero,
  .band,
  .steps { grid-template-columns: 1fr; }
  .nav-links a:not(.button) { display: none; }
}