:root {
  --bg: #fbfaf7;
  --paper: #ffffff;
  --ink: #1d2024;
  --accent: #1f5c57;
  --rule: #dfdcd4;
  --field-line: #c4c0b6;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 var(--font);
}

a { color: inherit; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 28px 24px 32px; }

.top { display: flex; align-items: center; min-height: 32px; }
.mark { font-weight: 650; letter-spacing: -0.01em; text-decoration: none; }

h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 4.2vw, 2.9rem);
  font-weight: 650;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

/* Front page */

.layout { display: grid; gap: 36px; margin-top: 32px; }
.lede { margin: 0 0 28px; font-size: 1.15rem; }

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
  border-bottom: 1px solid var(--rule);
}
.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 28px 1fr;
  padding: 10px 0;
  border-top: 1px solid var(--rule);
}
.steps li::before {
  content: counter(step);
  color: var(--accent);
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.price { margin: 28px 0 0; font-size: 2.2rem; font-weight: 650; letter-spacing: -0.02em; }
.price span { font-size: 1rem; font-weight: 400; opacity: 0.65; letter-spacing: 0; }

.signup { background: var(--paper); border: 1px solid var(--rule); border-radius: 10px; padding: 24px; }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
.full { grid-column: 1 / -1; }

label { display: grid; gap: 6px; font-size: 0.92rem; font-weight: 550; }

input, select {
  width: 100%;
  min-width: 0;
  padding: 9px 10px;
  font: inherit;
  font-size: 1rem;
  font-weight: 400;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--field-line);
  border-radius: 6px;
}
input[type="file"] { padding: 7px 8px; background: var(--bg); }

.check { display: flex; align-items: flex-start; gap: 10px; margin-top: 18px; font-size: 0.95rem; font-weight: 400; }
.check input { width: auto; margin: 3px 0 0; accent-color: var(--accent); }

.submit {
  width: 100%;
  margin-top: 18px;
  padding: 13px 20px;
  font: inherit;
  font-weight: 600;
  color: var(--paper);
  background: var(--accent);
  border: 0;
  border-radius: 6px;
  cursor: pointer;
}

/* Pass page */

.certificate {
  max-width: 680px;
  margin: 40px auto 0;
  padding: 40px 44px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-top: 4px solid var(--accent);
  border-radius: 8px;
}
.record-label { margin: 0 0 10px; font-size: 0.95rem; opacity: 0.65; }
.certificate h1 { font-size: clamp(2rem, 4vw, 2.5rem); }
.paper-title { margin: 0 0 28px; font-size: 1.2rem; font-style: italic; }

.facts {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 14px 16px;
  margin: 0;
  padding: 22px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.facts dt { opacity: 0.65; }
.facts dd { margin: 0; }
.result { font-weight: 650; color: var(--accent); }

.note { margin: 22px 0 0; }

.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 16px;
  margin-top: 22px;
  font-size: 0.92rem;
}
.foot code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

/* Examiner page */

.session { margin-top: 24px; }
.session h1 { margin-bottom: 6px; font-size: clamp(1.8rem, 3.6vw, 2.3rem); }
.session .paper { margin: 0 0 6px; font-size: 1.15rem; }
.booked { margin: 0; font-size: 0.95rem; opacity: 0.65; }

.brief {
  margin-top: 22px;
  padding: 18px 22px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 10px;
}
.brief-title { margin: 0 0 14px; font-size: 1rem; font-weight: 650; }
.brief-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 32px; font-size: 0.95rem; }
.brief h3 { margin: 0 0 4px; font-size: 0.92rem; font-weight: 650; color: var(--accent); }
.brief p { margin: 0; }
.brief ol, .brief ul { margin: 0; padding-left: 1.2em; }
.brief li + li { margin-top: 4px; }

.verdict { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 22px; }
.verdict button {
  min-height: 88px;
  font: inherit;
  font-size: 1.6rem;
  font-weight: 650;
  color: var(--paper);
  background: var(--accent);
  border: 2px solid var(--accent);
  border-radius: 10px;
  cursor: pointer;
}
.verdict .fail { color: var(--ink); background: var(--paper); border-color: var(--ink); }

.notes { margin-top: 16px; }

/* Layout breakpoints */

@media (min-width: 900px) {
  .layout { grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: start; }
}

@media (max-width: 600px) {
  .wrap { padding: 20px 18px 28px; }
  .signup, .certificate { padding: 22px 20px; }
  .fields, .brief-grid { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr; gap: 2px; }
  .facts dd { margin-bottom: 10px; }
}

.signup .submit { margin-top: 16px; }
.note { margin: 14px 0 0; font-size: 0.92rem; }
.note a { color: var(--accent); }