@font-face {
  font-family: "Source Sans 3";
  src: url("../fonts/SourceSans3.ttf") format("truetype");
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #e6eef1;
  --ink: #152433;
  --muted: #5c6e80;
  --line: #d4e0e6;
  --card: #ffffff;
  --teal: #0c6b5c;
  --teal-dark: #08483e;
  --teal-soft: #e5f4f0;
  --amber: #8a5a00;
  --amber-soft: #fff5e2;
  --red: #9d2c24;
  --red-soft: #fdeceb;
  --blue: #1e4f78;
  --blue-soft: #e7f1f8;
  --slate: #3e5163;
  --shadow: 0 10px 28px rgba(20, 40, 55, 0.07);
  --sans: "Source Sans 3", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.45;
}
button, input { font-family: inherit; }
a { color: var(--teal-dark); }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }

.demo-bar {
  background: #142433;
  color: #d5e4ea;
  text-align: center;
  font-size: 12.5px;
  letter-spacing: 0.01em;
  padding: 7px 12px;
}
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  min-width: 0;
}
.brand strong { display: block; font-size: 16px; letter-spacing: -0.01em; }
.brand small { display: block; color: var(--muted); font-size: 12.5px; }
.mark { width: 32px; height: 32px; flex: none; }
.pill {
  flex: none;
  border: 1px solid #b7d5cc;
  background: var(--teal-soft);
  color: var(--teal-dark);
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.btn {
  appearance: none;
  border: 1px solid transparent;
  background: var(--teal);
  color: white;
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 16px;
  font-weight: 650;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  line-height: 1.2;
}
.btn:hover { background: var(--teal-dark); }
.btn.secondary {
  background: white;
  color: var(--teal-dark);
  border-color: #b7d4cb;
}
.btn.secondary:hover { background: var(--teal-soft); }
.btn.wa { background: #0e7a62; }
.btn.ghost {
  background: transparent;
  color: var(--teal-dark);
  border-color: transparent;
  padding: 8px 4px;
}
.btn.small { font-size: 14px; padding: 8px 10px; border-radius: 8px; }

.field { display: flex; flex-direction: column; gap: 6px; margin: 0 0 12px; }
.field span { font-size: 14px; font-weight: 650; }
.field span em { font-style: normal; font-weight: 500; color: var(--muted); }
.field input {
  width: 100%;
  border: 1px solid #c5d3dc;
  background: #fff;
  border-radius: 10px;
  padding: 12px 12px;
  font-size: 16px;
  color: var(--ink);
}
.field input:focus { border-color: var(--teal); outline: none; box-shadow: 0 0 0 3px rgba(12, 107, 92, 0.15); }
.err { color: var(--red); font-size: 13px; min-height: 0; margin: -6px 0 8px; }
.err:empty { display: none; }