/* ===== Sections — benefits, tool picker, guide steps, FAQ, closing note. ===== */

.benefits {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 24px 0;
}

.benefit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 13px;
}

.benefit:not(:last-child) {
  border-right: 1px solid var(--line);
}

.benefit-icon {
  color: var(--green);
  display: flex;
}

.benefit strong {
  display: block;
  font-weight: 550;
  font-size: 13px;
}

.benefit span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  margin-top: 1px;
}

.tool-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.tool-card {
  position: relative;
  appearance: none;
  display: flex;
  flex-direction: column;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 26px 29px 23px;
  background: #fbfcf7;
  color: var(--ink);
  transition: border-color .2s,background .2s;
}

.tool-card:hover {
  border-color: #9daf8b;
  background: #f0f4e7;
}

.tool-card[aria-pressed="true"] {
  border-color: #729058;
  background: #edf3e3;
  box-shadow: inset 0 0 0 1px #729058;
}

.tool-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.tool-symbol {
  display: grid;
  place-items: center;
  width: 39px;
  height: 39px;
  border: 1px solid #d7dfcc;
  background: var(--paper);
  border-radius: 8px;
  color: var(--green);
  font: 600 16px var(--mono);
}

.tool-tag {
  font-size: 10px;
  color: var(--green);
  border: 1px solid #d0ddbf;
  background: #e5edd8;
  border-radius: 4px;
  padding: 2px 8px;
}

.tool-name {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -1px;
  margin-top: 19px;
}

.tool-desc {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-top: 8px;
}

.tool-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 26px;
  padding-top: 16px;
  border-top: 1px solid #dce3d3;
  width: 100%;
  font-size: 10px;
  color: #6f7b64;
}

.tool-select {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  font-weight: 600;
  color: var(--green);
}

.radio {
  width: 14px;
  height: 14px;
  border: 1px solid #9da991;
  border-radius: 50%;
  display: inline-block;
  position: relative;
}

.tool-card[aria-pressed="true"] .radio {
  border-color: var(--green);
  background: var(--green);
}

.tool-card[aria-pressed="true"] .radio:after {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--lime);
  position: absolute;
  inset: 3px;
  border-radius: 50%;
}

.guide-section {
  padding-top: 67px;
}

.environment {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  background: #edf0e5;
  border: 1px solid #dfe5d5;
  border-radius: 4px;
  font: 10px var(--mono);
  white-space: nowrap;
  color: #627451;
}

.prerequisites {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 27px;
  padding: 15px 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f2f4eb;
  color: #6b7660;
  font-size: 11px;
  line-height: 1.9;
}

.prerequisites svg {
  margin-top: 3px;
}

.prerequisites a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.guide-panel[hidden] {
  display: none;
}

.step {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 17px;
  position: relative;
  padding-bottom: 27px;
}

.step:not(:last-child):before {
  content: "";
  position: absolute;
  left: 14px;
  top: 34px;
  bottom: 5px;
  border-left: 1px solid #d5ddcb;
}

.step-number {
  display: grid;
  place-items: center;
  width: 29px;
  height: 29px;
  border: 1px solid #d5ddcb;
  border-radius: 50%;
  color: var(--green);
  font: 11px var(--mono);
  background: #edf2e6;
  margin-top: 1px;
}

.step-body {
  min-width: 0;
}

.step h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

.step p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.9;
}

.step .step-tip {
  margin-top: 10px;
  font-size: 10px;
  color: #77836a;
}

.step-tip a {
  text-decoration: underline;
  text-underline-offset: 3px;
  color: var(--green);
}

.guide-footnote {
  margin-left: 47px;
  display: flex;
  justify-content: space-between;
  gap: 15px;
  align-items: center;
  border-top: 1px solid var(--line);
  padding: 14px 0 0;
  color: #7a846f;
  font-size: 10px;
}

.guide-footnote a {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--green);
}

.faq-section {
  padding: 64px 0 0;
  display: grid;
  grid-template-columns: .75fr 1.25fr;
  gap: 80px;
}

.faq-intro>p:not(.section-label) {
  color: var(--muted);
  font-size: 12px;
  max-width: 220px;
  margin-top: 12px;
  line-height: 1.9;
}

.faq-list {
  border-top: 1px solid var(--line);
}

details {
  border-bottom: 1px solid var(--line);
}

summary {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  padding: 19px 0;
  font-size: 13px;
  font-weight: 500;
  gap: 20px;
}

summary::-webkit-details-marker {
  display: none;
}

summary:after {
  content: "+";
  color: #7b8c6d;
  font: 20px var(--mono);
}

details[open] summary:after {
  content: "−";
}

details p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.95;
  padding: 0 25px 19px 0;
}

details p a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.closing {
  margin-top: 65px;
  padding: 29px 36px;
  background: #e9efde;
  border: 1px solid #dce5cf;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.closing-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -.4px;
}

.closing p {
  font-size: 11px;
  color: #6b785f;
  margin: 6px 0 0 33px;
}

.closing a {
  white-space: nowrap;
  font-size: 12px;
}

@media (max-width:1000px) {
  .faq-section {
    gap: 40px;
  }
}

@media (max-width:760px) {
  .benefits {
    padding: 18px 0;
  }
  .benefit {
    flex-direction: column;
    gap: 6px;
    text-align: center;
  }
  .benefit strong {
    font-size: 11px;
  }
  .benefit span {
    font-size: 9px;
  }
  .benefit-icon svg {
    width: 18px;
    height: 18px;
  }
  .tool-grid {
    gap: 11px;
  }
  .tool-card {
    padding: 19px 17px;
  }
  .tool-name {
    font-size: 20px;
    margin-top: 15px;
  }
  .tool-desc {
    font-size: 11px;
  }
  .tool-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 9px;
    margin-top: 20px;
    padding-top: 13px;
  }
  .tool-tag {
    font-size: 9px;
    padding: 2px 5px;
  }
  .tool-symbol {
    width: 32px;
    height: 32px;
  }
  .guide-section {
    padding-top: 41px;
  }
  .guide-heading {
    flex-wrap: wrap;
  }
  .environment {
    font-size: 9px;
    margin-top: 4px;
  }
  .prerequisites {
    font-size: 10px;
    padding: 13px;
  }
  .step {
    grid-template-columns: 27px 1fr;
    gap: 12px;
  }
  .step-number {
    width: 27px;
    height: 27px;
  }
  .step:not(:last-child):before {
    left: 13px;
  }
  .step p {
    font-size: 11px;
  }
  .guide-footnote {
    margin-left: 39px;
    flex-wrap: wrap;
    font-size: 9px;
  }
  .faq-section {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-top: 47px;
  }
  .faq-intro>p:not(.section-label) {
    max-width: none;
  }
  summary {
    font-size: 12px;
    padding: 16px 0;
  }
  .closing {
    margin-top: 42px;
    padding: 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 17px;
  }
  .closing-title {
    font-size: 16px;
  }
  .closing p {
    margin-left: 0;
  }
  .closing a {
    margin-left: 0;
  }
}

@media (max-width:380px) {
  .tool-grid {
    grid-template-columns: 1fr;
  }
  .tool-bottom {
    flex-direction: row;
    align-items: center;
  }
}