:root {
  --green: #0f6e56;
  --green-dark: #0a5241;
  --ink: #1b1f1d;
  --muted: #5b6460;
  --line: #e2e6e4;
  --bg: #ffffff;
  --soft: #f4f7f5;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 17px;
}

a { color: var(--green); }

.wrap { max-width: 980px; margin: 0 auto; padding: 0 20px; }

header.top {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 22px;
  padding-bottom: 22px;
}
header.top a.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 19px;
}
header.top img { width: 34px; height: 34px; }

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding-top: 40px;
  padding-bottom: 64px;
}
.hero h1 {
  font-size: 46px;
  line-height: 1.1;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
}
.hero p.lead { font-size: 19px; color: var(--muted); margin: 0 0 28px; }
.demo {
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 12px 40px rgba(15, 110, 86, 0.14);
  background: #fff;
}
.demo img { display: block; width: 100%; height: auto; }
.searchbar {
  display: flex;
  background: #131921;
  padding: 10px 12px;
}
.searchbox {
  flex: 1;
  background: #fff;
  border-radius: 6px 0 0 6px;
  padding: 8px 12px;
  font-size: 15px;
  color: #0f1111;
}
.searchbtn {
  width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #febd69;
  border-radius: 0 6px 6px 0;
  color: #333;
}
.searchbtn svg { width: 20px; height: 20px; }

.btn {
  display: inline-block;
  background: var(--green);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 14px 26px;
  border-radius: 999px;
}
.btn:hover { background: var(--green-dark); }
.btns { display: flex; gap: 10px; }
.btns .btn { font-size: 15px; padding: 12px 18px; white-space: nowrap; }
.btn.disabled { background: #9aa8a2; cursor: default; }
.note { display: block; font-size: 14px; color: var(--muted); margin-top: 10px; }

section.band { background: var(--soft); padding: 20px 0 30px; }
section.plain { padding: 20px 0 30px; }
section h2 { font-size: 30px; margin: 0 0 28px; letter-spacing: -0.01em; }

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.step {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
}
.icon {
  width: 48px; height: 48px;
  display: flex;
  align-items: center; justify-content: center;
  border-radius: 12px;
  background: #e3f1ec;
  color: var(--green);
  margin-bottom: 16px;
}
.icon svg { width: 26px; height: 26px; }
.step h3, .feature h3 { margin: 0 0 6px; font-size: 19px; }
.step p, .feature p { margin: 0; color: var(--muted); }

.intro { font-size: 19px; color: var(--muted); margin: -12px 0 32px; }
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature {
  border-top: 3px solid var(--green);
  padding-top: 20px;
}

.support {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
  background: var(--green);
  color: #fff;
  border-radius: 18px;
  padding: 44px;
}
.support h2 { margin-bottom: 12px; }
.support p { margin: 0 0 18px; font-size: 18px; color: #d7ece5; }
.perks { list-style: none; padding: 0; margin: 0; }
.perks li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 8px;
  font-weight: 600;
}
.perks li::before {
  content: "";
  position: absolute;
  left: 0; top: 4px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230f6e56' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center / 12px no-repeat;
}
.support-price {
  text-align: center;
  background: #fff;
  color: var(--ink);
  border-radius: 14px;
  padding: 28px 40px;
}
.support-price .price { font-size: 52px; font-weight: 700; line-height: 1; color: var(--green); }
.support-price .term { font-weight: 600; margin-top: 6px; }
.support-price .note { margin-top: 12px; }

footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
  font-size: 15px;
  color: var(--muted);
}
footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
footer nav { display: flex; gap: 20px; }

.doc { max-width: 720px; padding: 24px 0 64px; }
.doc h1 { font-size: 38px; margin: 10px 0 6px; }
.doc .updated { color: var(--muted); margin: 0 0 32px; }
.doc h2 { font-size: 22px; margin: 36px 0 10px; }
.doc ul { padding-left: 22px; }
.doc li { margin-bottom: 6px; }

@media (max-width: 760px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .hero { grid-template-columns: 1fr; gap: 32px; padding-top: 16px; padding-bottom: 48px; }
  .hero h1 { font-size: 34px; }
  .steps, .features { grid-template-columns: 1fr; }
  .btns { gap: 8px; }
  .btns .btn { font-size: 12px; padding: 10px 11px; }
  .support { grid-template-columns: 1fr; gap: 28px; padding: 28px 20px; }
}