:root {
  --bg: #F5F7F8;
  --card: #ffffff;
  --text: #0E1A1F;
  --muted: #5E6B72;
  --line: #E3E8EA;
  --brand: #087A5B;
  --brand-soft: #E3F5EE;
  --cheap: #0A8F6A;
  --mid: #E8A317;
  --dear: #D64545;
  --sun: #f59e0b;
  --radius: 18px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0B1215;
    --card: #131C20;
    --text: #E7EEF0;
    --muted: #9AA8AF;
    --line: #24323A;
    --brand: #5FD3A9;
    --brand-soft: #12352A;
    --cheap: #2BB98C;
    --mid: #fbbf24;
    --dear: #f87171;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  padding-bottom: calc(24px + env(safe-area-inset-bottom));
}

.top {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: calc(14px + env(safe-area-inset-top)) 16px 10px;
  max-width: 560px; margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 750; font-size: 20px; }
.tagline { color: var(--muted); font-size: 13px; }

main { max-width: 560px; margin: 0 auto; padding: 0 16px; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; margin-bottom: 12px;
}
h1 { font-size: 22px; line-height: 1.2; margin: 0 0 6px; }
h2 { font-size: 16px; margin: 0 0 10px; }
.hero p { margin: 0; color: var(--muted); }
.label { color: var(--muted); font-size: 13px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.big { font-size: 44px; font-weight: 750; letter-spacing: -0.02em; }
.mid { font-size: 26px; font-weight: 700; }


.fields { display: grid; gap: 14px; }
.field label { display: flex; justify-content: space-between; gap: 8px; font-size: 14px; margin-bottom: 4px; }
.field .hint { color: var(--muted); font-size: 12px; margin-top: 2px; }
.field .row { display: flex; align-items: center; gap: 10px; }
.field input[type=range] { flex: 1; accent-color: var(--brand); }
.field input[type=number] {
  width: 96px; padding: 7px 8px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--bg); color: var(--text); font: inherit; text-align: right;
}

.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.delta { margin-top: 12px; padding: 12px; border-radius: 12px; font-weight: 650; }
.delta.up { background: color-mix(in srgb, var(--dear) 14%, transparent); color: var(--dear); }
.delta.down { background: color-mix(in srgb, var(--cheap) 14%, transparent); color: var(--cheap); }
.tip { margin-top: 10px; padding: 12px; border-radius: 12px; background: var(--brand-soft); }
details { margin-top: 12px; }
summary { cursor: pointer; color: var(--brand); font-weight: 600; font-size: 14px; }


.disclaimer { color: var(--muted); font-size: 12px; text-align: center; margin: 8px 0 20px; }


.features { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.features li { display: grid; grid-template-columns: 32px 1fr; gap: 10px; align-items: start; }
.features li > span { font-size: 22px; text-align: center; }
.soon { margin: 14px 0 0; padding: 12px; border-radius: 12px; background: var(--brand-soft); font-weight: 650; text-align: center; }
.disclaimer a { color: var(--brand); }

.legal h1 { margin-bottom: 4px; }
.legal h2 { margin-top: 18px; }
.legal p, .legal li { color: var(--text); }
.legal .concept { padding: 10px 12px; border-radius: 12px; background: color-mix(in srgb, var(--mid) 16%, transparent); font-size: 14px; }

.toplink { color: var(--brand); font-weight: 650; font-size: 14px; text-decoration: none; }
.hero-big { padding: 18px 2px 8px; }
.hero-big h1 { font-size: 34px; line-height: 1.1; margin: 0 0 10px; letter-spacing: -0.02em; }
.lead { font-size: 18px; color: var(--muted); margin: 0 0 14px; }
.features { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 14px 0; }
.feature { background: var(--card); border: 1px solid var(--line); border-top: 3px solid var(--brand); border-radius: var(--radius); padding: 14px; }
.feature h3 { margin: 6px 0 4px; font-size: 16px; }
.feature p { margin: 0; color: var(--muted); font-size: 14px; }
.switch { display: flex; gap: 8px; margin-bottom: 14px; }
.switch button { flex: 1; padding: 10px; border-radius: 12px; border: 2px solid var(--line); background: transparent; color: var(--text); font: 650 15px/1.2 inherit; cursor: pointer; }
.switch button[aria-selected=true] { border-color: var(--brand); background: var(--brand-soft); color: var(--brand); }
.result-row { margin-top: 14px; }
.good { color: var(--cheap); }
.button { display: inline-block; margin-top: 8px; padding: 12px 18px; border-radius: 14px; background: var(--brand); color: #fff; font-weight: 700; text-decoration: none; }
@media (prefers-color-scheme: dark) { .button { color: #0d1412; } }
.partner-cta { text-align: center; }
.form { display: grid; gap: 12px; }
.form label { display: grid; gap: 4px; font-size: 14px; font-weight: 600; }
.form input, .form select, .form textarea { padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--text); font: inherit; }
.checks { display: flex; flex-wrap: wrap; gap: 8px; }
.checks label { display: flex; align-items: center; gap: 6px; font-weight: 500; border: 1px solid var(--line); border-radius: 99px; padding: 6px 12px; }
.steps { margin: 0; padding-left: 20px; }
.steps li { margin-bottom: 8px; }
.price { font-size: 28px; font-weight: 800; }
@media (max-width: 380px) { .features { grid-template-columns: 1fr; } }
.maker { display: inline-block; margin-top: 10px; font-weight: 600; letter-spacing: .02em; }