:root {
  --bg: #faf9f5;
  --ink: #16202e;
  --muted: #5c6675;
  --accent: #b5651d;
  --accent-soft: #f4ead9;
  --line: #e4e0d6;
  --card: #ffffff;
  --danger: #9a2a2a;
  --ok: #2f6b4f;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  font-size: 17px;
  line-height: 1.65;
}

h1, h2, h3, .brand {
  font-family: "Space Grotesk", "Inter", system-ui, sans-serif;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 880px; margin: 0 auto; padding: 0 24px; }

/* Header / nav */
header.site {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}
.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  flex-wrap: wrap;
}
.brand {
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand .mark {
  width: 28px; height: 28px;
  border-radius: 6px;
  background: var(--ink);
  color: var(--bg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
}
nav.menu { display: flex; gap: 18px; flex-wrap: wrap; font-size: 15px; }
nav.menu a { color: var(--muted); }
nav.menu a:hover { color: var(--ink); text-decoration: none; }
nav.menu a.active { color: var(--ink); font-weight: 600; }

/* Path badge — study aid */
.pathbar {
  background: var(--ink);
  color: var(--bg);
  font-size: 14px;
}
.pathbar .wrap { padding-top: 10px; padding-bottom: 10px; }
.pathbar code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  background: rgba(255,255,255,0.12);
  padding: 2px 7px;
  border-radius: 4px;
  color: #fff;
}
.pathbar .tip { color: #c7cdd6; }

/* Main */
main { padding: 40px 0 80px; }
.eyebrow {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 600;
  margin: 0 0 10px;
}
h1 { font-size: 40px; margin: 0 0 14px; font-weight: 600; }
h2 { font-size: 24px; margin: 36px 0 12px; font-weight: 600; }
.lead { font-size: 19px; color: var(--muted); margin: 0 0 28px; max-width: 60ch; }
p { margin: 0 0 16px; }

/* Cards / grid */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 24px 0; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
}
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.price { font-weight: 600; color: var(--ink); }

/* Forms */
form { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 24px; max-width: 460px; }
label { display: block; font-size: 14px; font-weight: 600; margin: 14px 0 6px; }
label:first-of-type { margin-top: 0; }
input, textarea {
  width: 100%;
  font: inherit;
  font-size: 16px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
}
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
textarea { min-height: 110px; resize: vertical; }
button {
  margin-top: 18px;
  font: inherit;
  font-weight: 600;
  font-size: 16px;
  padding: 11px 20px;
  border: none;
  border-radius: 8px;
  background: var(--ink);
  color: var(--bg);
  cursor: pointer;
}
button:hover { background: #0c1622; }

/* Metric row (admin) */
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin: 8px 0 24px; }
.metric { background: var(--accent-soft); border-radius: 10px; padding: 16px 18px; }
.metric .n { font-family: "Space Grotesk", sans-serif; font-size: 28px; font-weight: 600; }
.metric .l { font-size: 13px; color: var(--muted); }

/* Review list */
.review { border-bottom: 1px solid var(--line); padding: 16px 0; }
.review:last-child { border-bottom: none; }
.review .who { font-weight: 600; }
.review .stars { color: var(--accent); letter-spacing: 2px; }
.review p { margin: 6px 0 0; }

/* Notice box */
.notice {
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  padding: 14px 18px;
  border-radius: 0 8px 8px 0;
  font-size: 15px;
  margin: 20px 0;
}
.notice.warn { border-color: var(--danger); background: #f8e9e9; }

/* Footer */
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; padding: 24px 0; }

code.inline { font-family: ui-monospace, Menlo, monospace; background: #efece4; padding: 1px 6px; border-radius: 4px; font-size: 0.9em; }

@media (max-width: 560px) {
  h1 { font-size: 32px; }
  body { font-size: 16px; }
}