.wrap {
  max-width: 760px;
  padding: 56px 24px 96px;
}

.hero-lead {
  margin: 0 0 14px;
}

.hero-desc {
  max-width: 480px;
}

.card {
  padding: 36px 36px 28px;
  margin-top: 36px;
  box-shadow: 0 1px 2px rgba(32, 40, 61, 0.04);
}

.inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 8px;
}

.field input {
  width: 100%;
  font-family: var(--font);
  font-size: 28px;
  font-weight: 600;
  border: none;
  border-bottom: 2px solid var(--paper-line);
  background: transparent;
  color: var(--ink);
  padding: 4px 2px 10px;
  outline: none;
  transition: border-color 0.15s ease;
}

.field input::-webkit-outer-spin-button,
.field input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.field input[type=number] {
  -moz-appearance: textfield;
}

.field input:focus {
  border-bottom-color: var(--red);
}

.field input::placeholder {
  color: #C7C2B4;
}

.stepper {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.stepper input {
  flex: 1;
}

.stepper-btns {
  display: flex;
  flex-direction: column;
  margin-bottom: 8px;
}

.stepper-btns button {
  width: 26px;
  height: 17px;
  border: 1px solid var(--paper-line);
  background: var(--card);
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
}

.stepper-btns button:first-child {
  border-radius: 6px 6px 0 0;
  border-bottom: none;
}

.stepper-btns button:last-child {
  border-radius: 0 0 6px 6px;
}

.stepper-btns button:hover {
  background: var(--paper);
  color: var(--ink);
}

.stepper-btns button:active {
  background: var(--paper-line);
}

.result {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 36px;
  padding-top: 32px;
  border-top: 1px dashed var(--paper-line);
}

.mark {
  position: relative;
  width: 96px;
  height: 96px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mark svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.mark svg circle {
  fill: none;
  stroke: var(--red);
  stroke-width: 3;
  stroke-linecap: round;
}

.mark .letter {
  font-family: var(--font);
  font-size: 34px;
  font-weight: 600;
  color: var(--red);
  transform: rotate(-4deg);
}

.result-text .pct {
  font-family: var(--font);
  font-size: 32px;
  font-weight: 700;
  margin: 0 0 4px;
}

.result-text .detail {
  font-size: 14px;
  color: var(--ink-soft);
}

.result.grade-a .mark svg circle,
.result.grade-a .mark .letter {
  stroke: var(--green);
  color: var(--green);
}

.result.grade-bc .mark svg circle,
.result.grade-bc .mark .letter {
  stroke: var(--yellow);
  color: var(--yellow);
}

.result.grade-df .mark svg circle,
.result.grade-df .mark .letter {
  stroke: var(--red);
  color: var(--red);
}

.table-toggle {
  margin-top: 28px;
  background: none;
  border: none;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 6px;
}

.table-toggle:hover {
  color: var(--ink);
}

.table-toggle svg {
  transition: transform 0.15s ease;
}

.table-toggle.open svg {
  transform: rotate(180deg);
}

.ledger-wrap {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}

.ledger-wrap.open {
  max-height: 2000px;
}

.card table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
  font-size: 14px;
}

.card th {
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  padding: 8px 10px;
  border-bottom: 2px solid var(--ink);
}

.card td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--paper-line);
}

.card tr:nth-child(even) td {
  background: #FBFAF6;
}

.card td.letter-cell {
  font-family: var(--font);
  font-weight: 600;
}

.card td.letter-cell.grade-a {
  color: var(--green);
}

.card td.letter-cell.grade-bc {
  color: var(--yellow);
}

.card td.letter-cell.grade-df {
  color: var(--red);
}

@media (max-width: 560px) {
  .wrap {
    padding: 32px 16px 64px;
  }

  .hero-lead {
    font-size: 28px;
  }

  .hero {
    margin: 32px 0 28px;
  }

  .hero-desc {
    font-size: 15px;
  }

  .hero h1.eyebrow {
    font-size: 12px;
  }

  .inputs {
    grid-template-columns: 1fr;
  }

  .card {
    padding: 24px 18px 20px;
    margin-top: 28px;
  }

  .field input {
    font-size: 24px;
  }

  .result {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    margin-top: 28px;
    padding-top: 24px;
  }

  .mark {
    width: 80px;
    height: 80px;
  }

  .mark .letter {
    font-size: 28px;
  }

  .result-text .pct {
    font-size: 26px;
  }

  .info {
    margin-top: 48px;
  }

  .info h2 {
    font-size: 20px;
  }

  .faq summary {
    font-size: 14px;
  }

  .ledger-wrap.open {
    max-height: 4000px;
  }

  .table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 -18px;
    padding: 0 18px;
  }

  .card table {
    font-size: 13px;
    min-width: 320px;
  }

  .card th,
  .card td {
    padding: 8px 8px;
  }
}