:root {
  color-scheme: light;
  --bg: #f4f1ea;
  --ink: #1b1a17;
  --muted: #5c574e;
  --card: rgba(255, 255, 255, 0.72);
  --line: rgba(27, 26, 23, 0.12);
  --accent: #0f6b5c;
  font-family: "Segoe UI", "Helvetica Neue", sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 10% -10%, #fff, transparent),
              var(--bg);
  color: var(--ink);
}
header, main, footer { max-width: 960px; margin: 0 auto; padding: 1.5rem; }
header { display: flex; justify-content: space-between; align-items: center; }
.brand { font-weight: 700; letter-spacing: 0.02em; }
nav a { color: var(--ink); margin-left: 1rem; text-decoration: none; }
.hero h1 { font-size: 2.4rem; line-height: 1.15; margin: 0 0 0.75rem; }
.hero p { color: var(--muted); max-width: 36rem; }
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin-top: 2rem; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.1rem 1.2rem;
  backdrop-filter: blur(10px);
}
form { display: grid; gap: 0.65rem; margin-top: 1rem; }
label { font-size: 0.85rem; color: var(--muted); }
input {
  width: 100%;
  padding: 0.65rem 0.7rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  font: inherit;
}
button, .btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 999px;
  padding: 0.65rem 1rem;
  font: inherit;
  cursor: default;
  text-decoration: none;
}
.note { font-size: 0.85rem; color: var(--muted); }
footer { color: var(--muted); font-size: 0.85rem; }