:root {
  --primary: #087f5b;
  --primary-dark: #066848;
  --ink: #17211d;
  --muted: #68756f;
  --faint: #9aa5a0;
  --canvas: #f8faf8;
  --surface: #ffffff;
  --mint: #dff5ec;
  --hairline: #edf1ee;
  --danger: #d9534f;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, var(--mint), transparent),
    var(--canvas);
  line-height: 1.65;
}

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

a:hover {
  text-decoration: underline;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 28px 20px 64px;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 36px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

.logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-name {
  font-size: 1.15rem;
  font-weight: 700;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.92rem;
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  line-height: 1.2;
  margin: 0 0 8px;
}

.meta {
  color: var(--muted);
  margin: 0 0 28px;
  font-size: 0.95rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 16px;
  padding: 22px 22px 8px;
  margin-bottom: 20px;
}

h2 {
  font-size: 1.1rem;
  margin: 0 0 10px;
}

p,
li {
  color: var(--muted);
}

ul {
  padding-left: 1.2rem;
  margin: 0 0 18px;
}

li {
  margin-bottom: 8px;
}

.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
}

.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 44px;
  margin-bottom: 16px;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--mint);
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 0.85rem;
  display: grid;
  place-items: center;
}

.cta {
  display: inline-block;
  margin: 8px 0 18px;
  padding: 12px 18px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff !important;
  font-weight: 600;
  text-decoration: none !important;
}

.cta:hover {
  background: var(--primary-dark);
}

.cta.secondary {
  background: transparent;
  color: var(--primary) !important;
  border: 1px solid var(--primary);
  margin-left: 8px;
}

.note {
  background: var(--mint);
  border-radius: 12px;
  padding: 14px 16px;
  color: var(--primary-dark);
  margin-bottom: 18px;
}

.danger-note {
  background: #fdeceb;
  color: #8a2f2c;
}

footer {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
  color: var(--faint);
  font-size: 0.85rem;
}

@media (max-width: 560px) {
  header {
    flex-direction: column;
    align-items: flex-start;
  }
}