/* Carton & container calculator + resource hub */
.tool-wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px 72px; }

.tool-panel {
  background: var(--dark3);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 28px;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 18px;
  margin-bottom: 22px;
}

.tool-field { display: flex; flex-direction: column; gap: 8px; }

.tool-field label {
  font-family: var(--f-body);
  font-size: 13px;
  color: var(--gray);
  letter-spacing: .02em;
}

.tool-field input,
.tool-field select {
  font-family: var(--f-body);
  font-size: 15px;
  color: var(--white);
  background: var(--dark2);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 11px 13px;
  width: 100%;
  box-sizing: border-box;
  appearance: none;
}

.tool-field input:focus,
.tool-field select:focus {
  outline: none;
  border-color: var(--gold);
}

.tool-hint {
  font-family: var(--f-body);
  font-size: 12px;
  color: var(--gray);
  margin: 0;
}

.tool-results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(168px, 1fr));
  gap: 14px;
  margin-top: 26px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.tool-result {
  background: var(--dark2);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 16px 18px;
}

.tool-result .k {
  font-family: var(--f-body);
  font-size: 12px;
  color: var(--gray);
  margin-bottom: 6px;
  display: block;
}

.tool-result .v {
  font-family: var(--f-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.1;
}

.tool-result .u {
  font-family: var(--f-body);
  font-size: 12px;
  color: var(--gray);
  margin-left: 4px;
}

.tool-note {
  font-family: var(--f-body);
  font-size: 13px;
  color: var(--gray);
  line-height: 1.7;
  margin-top: 20px;
}

.tool-table {
  width: 100%;
  border-collapse: collapse;
  margin: 22px 0 8px;
  font-family: var(--f-body);
  font-size: 14px;
}

.tool-table th,
.tool-table td {
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  color: var(--white);
}

.tool-table th {
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--gray);
  font-weight: 500;
}

.tool-table td.num { text-align: right; font-variant-numeric: tabular-nums; }

.hub-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 18px;
  margin-top: 26px;
}

.hub-card {
  display: block;
  background: var(--dark3);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 22px 24px;
  text-decoration: none;
  transition: border-color .25s, transform .25s;
}

.hub-card:hover { border-color: rgba(201, 168, 76, .5); transform: translateY(-3px); }

.hub-card h3 {
  font-family: var(--f-display);
  font-size: 17px;
  color: var(--white);
  margin: 0 0 8px;
}

.hub-card p {
  font-family: var(--f-body);
  font-size: 13px;
  line-height: 1.65;
  color: var(--gray);
  margin: 0;
}

.hub-card .hub-kicker {
  font-family: var(--f-body);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 10px;
}

@media (max-width: 640px) {
  .tool-panel { padding: 20px; }
  .tool-result .v { font-size: 19px; }
}