:root {
  --bg: #f4f0e6;
  --ink: #1c1915;
  --muted: #5e584e;
  --card: #fffdf8;
  --line: #e3d9c6;
  --accent: #0c6b4d;
  --accent-dark: #084b36;
  --soft: #e7f3ed;
  --warn-bg: #fff4e4;
  --shadow: 0 16px 40px rgba(40, 32, 18, 0.06);
  --serif: "Iowan Old Style", Palatino, Georgia, "Times New Roman", serif;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.55;
}
a { color: var(--accent-dark); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; }

.wrap { width: min(1080px, calc(100% - 2rem)); margin: 0 auto; }
.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.25rem;
  padding: 1rem 0;
}
.logo { font-weight: 750; letter-spacing: -0.03em; text-decoration: none; color: var(--ink); font-size: 1.15rem; }
.top nav { display: flex; flex-wrap: wrap; gap: 0.35rem 1rem; }
.top nav a { text-decoration: none; color: var(--ink); font-size: 0.98rem; }

.hero { padding: 1.5rem 0 2.5rem; }
.hero h1, .prose h1, .panel h1 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.08;
  font-size: clamp(2.2rem, 6vw, 4.1rem);
  margin: 0 0 0.8rem;
}
.lede { font-size: 1.2rem; max-width: 38rem; color: var(--ink); margin: 0 0 1.25rem; }
.row { display: flex; flex-wrap: wrap; gap: 0.7rem; align-items: center; }
.note { color: var(--muted); max-width: 40rem; }

.btn, button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #f6fffb;
  border: 0;
  border-radius: 999px;
  padding: 0.85rem 1.25rem;
  font: inherit;
  font-weight: 680;
  text-decoration: none;
  cursor: pointer;
}
.btn:hover, button.btn:hover { background: var(--accent-dark); color: white; }
.btn.ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1px var(--line); }
.btn.ghost:hover { background: white; color: var(--ink); }
button.btn { width: auto; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.grid.two { grid-template-columns: 1.2fr 0.8fr; }
.grid.cards { grid-template-columns: repeat(2, 1fr); }
.card, .panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.15rem 1.2rem 1.25rem;
  box-shadow: var(--shadow);
}
.card h2, .panel h2, .prose h2 { font-family: var(--serif); font-size: 1.55rem; line-height: 1.2; margin: 0 0 0.45rem; }
.step-no { display: inline-block; font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.35rem; }
.kicker { letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.78rem; color: var(--accent); margin: 0 0 0.4rem; }
.price { font-family: var(--serif); font-size: 2rem; margin: 0.2rem 0 0.8rem; }
.fine, .muted { color: var(--muted); font-size: 0.95rem; }
.banner { background: var(--soft); border-radius: 12px; padding: 0.75rem 0.9rem; margin: 0 0 1rem; }
.section { padding: 0.5rem 0 2rem; }
.features { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem 1.2rem; padding: 0; margin: 0; list-style: none; }
.features li { padding-left: 0.1rem; }
.features li::before { content: "· "; color: var(--accent); font-weight: 700; }

label { display: block; font-size: 0.92rem; margin: 0.55rem 0 0.25rem; }
input, textarea {
  width: 100%;
  max-width: 28rem;
  font: inherit;
  padding: 0.7rem 0.75rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: white;
  color: var(--ink);
}
textarea { min-height: 8rem; max-width: 40rem; }
.hp { position: absolute; left: -9999px; height: 0; overflow: hidden; }
form.notify, form.buy, form.stack { margin-top: 0.4rem; }
.prose { max-width: 42rem; padding-bottom: 2rem; }
.prose p, .prose li { color: var(--ink); }
.prose h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
details { border-top: 1px solid var(--line); padding: 0.75rem 0; }
details:last-child { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 650; }
footer.site {
  border-top: 1px solid var(--line);
  padding: 1.4rem 0 2.2rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.1rem;
  justify-content: space-between;
}
footer.site nav { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; }
footer.site a { color: var(--muted); }

.demo-box { background: var(--ink); color: #f6f1e6; border-radius: 20px; padding: 1.3rem 1.3rem 1.4rem; }
.demo-box a { color: #d7ffe9; }
.demo-box .btn { background: #f4f0e6; color: var(--ink); }
.demo-box .btn:hover { background: white; }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

@media (max-width: 800px) {
  .grid, .grid.two, .grid.cards, .features { grid-template-columns: 1fr; }
  .btn, button.btn { width: 100%; }
  input, textarea { max-width: none; }
}