:root {
  --green: #1f6f5c;
  --green-dark: #155244;
  --mint: #e8f3ef;
  --ink: #1d2b27;
  --muted: #5d6e68;
  --line: #dbe5e1;
  --bg: #ffffff;
  --card: #ffffff;
  --yellow: #fff8e1;
  --danger: #b00020;
  --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #e7efec; --muted: #a5b6b0; --line: #2c3b37; --bg: #111917; --card: #18221f; --mint: #1b2b27; --yellow: #2b2817; --green: #3fa58a; --green-dark: #5cc0a5;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color: var(--ink); background: var(--bg); }
a { color: var(--green); }
img { max-width: 100%; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 760px; padding-top: 32px; padding-bottom: 48px; }
header.top { border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-weight: 800; font-size: 22px; color: var(--green); text-decoration: none; }
.logo span { color: var(--ink); }
nav a { margin-left: 18px; text-decoration: none; color: var(--ink); font-size: 15px; }
@media (max-width: 640px) { nav a.hide-m { display: none; } }

.hero { background: linear-gradient(180deg, var(--mint), var(--bg)); padding: 56px 0 40px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; } }
h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.15; margin: 0 0 16px; }
h2 { font-size: clamp(24px, 3.5vw, 32px); margin: 0 0 12px; }
.lead { font-size: 19px; color: var(--muted); }
.btn { display: inline-block; background: var(--green); color: #fff; border: 0; border-radius: 10px; padding: 14px 22px; font-weight: 700; font-size: 17px; text-decoration: none; cursor: pointer; }
.btn:hover { background: var(--green-dark); }
.btn.ghost { background: transparent; color: var(--green); border: 2px solid var(--green); }
.btn[disabled] { opacity: .6; cursor: wait; }
.checks { list-style: none; padding: 0; margin: 18px 0; }
.checks li { padding-left: 28px; position: relative; margin: 6px 0; }
.checks li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 800; }
.small { font-size: 14px; color: var(--muted); }

.mock { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 10px 30px rgba(0,0,0,.08); overflow: hidden; font-size: 14px; }
.mock .bar { background: var(--green); color: #fff; padding: 8px 12px; font-weight: 700; }
.mock table { width: 100%; border-collapse: collapse; }
.mock td, .mock th { padding: 7px 10px; border-bottom: 1px solid var(--line); text-align: left; }
.mock td.r, .mock th.r { text-align: right; font-variant-numeric: tabular-nums; }
.mock tr.total td { font-weight: 800; background: var(--mint); }

section { padding: 56px 0; }
section.alt { background: var(--mint); }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 860px) { .grid3 { grid-template-columns: 1fr; } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card h3 { margin-top: 0; }

.pricing { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 820px; margin: 24px auto 0; }
@media (max-width: 720px) { .pricing { grid-template-columns: 1fr; } }
.price-card { position: relative; }
.price-card.featured { border: 2px solid var(--green); }
.badge { position: absolute; top: -12px; right: 16px; background: var(--green); color: #fff; font-size: 13px; padding: 3px 10px; border-radius: 99px; font-weight: 700; }
.price { font-size: 40px; font-weight: 800; margin: 6px 0 0; }
.price small { font-size: 15px; font-weight: 400; color: var(--muted); }

form .row { margin: 12px 0; }
label { display: block; font-weight: 600; font-size: 15px; margin-bottom: 4px; }
input[type=text], input[type=email], select { width: 100%; padding: 12px; border: 1px solid var(--line); border-radius: 8px; font: inherit; background: var(--bg); color: var(--ink); }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: 15px; }
.check input { margin-top: 5px; width: 18px; height: 18px; flex: none; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 560px) { .two { grid-template-columns: 1fr; } }
.msg { padding: 12px; border-radius: 8px; margin: 12px 0; display: none; }
.msg.err { display: block; background: #fde8eb; color: var(--danger); }
.msg.ok { display: block; background: var(--mint); color: var(--ink); }
.hp { position: absolute; left: -9999px; }

dialog { border: 0; border-radius: var(--radius); padding: 0; max-width: 560px; width: calc(100% - 32px); background: var(--card); color: var(--ink); }
dialog::backdrop { background: rgba(0,0,0,.5); }
.dialog-body { padding: 24px; }
.close { float: right; background: none; border: 0; font-size: 26px; cursor: pointer; color: var(--muted); }

details { border-bottom: 1px solid var(--line); padding: 14px 0; }
summary { font-weight: 700; cursor: pointer; }
footer { border-top: 1px solid var(--line); padding: 32px 0; font-size: 14px; color: var(--muted); }
footer .cols { display: flex; flex-wrap: wrap; gap: 32px; justify-content: space-between; }
footer a { color: var(--muted); }
.legal h2 { font-size: 22px; margin-top: 32px; }