.workflow-section {
  position: relative;
  padding: clamp(100px, 11vw, 150px) 6vw clamp(110px, 12vw, 170px);
  overflow: hidden;
  color: var(--ui-ink);
  background:
    radial-gradient(circle at 88% 10%, rgba(168, 185, 218, .22), transparent 26%),
    linear-gradient(180deg, #f4f3ee 0%, #eceff3 100%);
}

.workflow-section::before {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  opacity: .28;
  background-image: linear-gradient(var(--ui-rule) 1px, transparent 1px);
  background-size: 100% 88px;
  mask-image: linear-gradient(to bottom, transparent, #000 14%, #000 86%, transparent);
}

.workflow-heading {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(260px, .6fr);
  gap: clamp(40px, 8vw, 120px);
  align-items: end;
  margin-bottom: clamp(64px, 8vw, 110px);
}

.workflow-heading h2 {
  margin: 52px 0 0;
  font: 400 clamp(62px, 9vw, 132px)/.9 var(--serif);
  letter-spacing: -.065em;
}

.workflow-heading > p {
  max-width: 430px;
  margin: 0 0 8px;
  color: var(--ui-muted);
  font-size: 13px;
  line-height: 1.95;
}

.workflow-track {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--ui-rule-strong);
  border-bottom: 1px solid var(--ui-rule);
}

.workflow-track::before {
  position: absolute;
  top: -4px;
  right: 0;
  left: 0;
  height: 7px;
  content: "";
  background: radial-gradient(circle, var(--ui-accent) 0 2px, transparent 3px);
  background-size: 25% 7px;
  background-position: 12.5% 0;
}

.workflow-track details {
  position: relative;
  border-right: 1px solid var(--ui-rule);
  background: rgba(255, 255, 255, .16);
  transition: background .28s ease, transform .35s var(--ui-motion), box-shadow .35s var(--ui-motion);
}

.workflow-track details:last-child {
  border-right: 0;
}

.workflow-track details:hover,
.workflow-track details:focus-within,
.workflow-track details[open] {
  z-index: 2;
  background: rgba(255, 255, 255, .7);
  box-shadow: var(--ui-shadow);
  transform: translateY(-6px);
}

.workflow-track summary {
  position: relative;
  min-height: 310px;
  padding: 38px 24px 26px;
  list-style: none;
  cursor: pointer;
}

.workflow-track summary::-webkit-details-marker,
.method-grid summary::-webkit-details-marker {
  display: none;
}

.workflow-track summary > span,
.method-library > header span {
  color: var(--ui-accent);
  font: 500 9px/1.4 var(--mono);
  letter-spacing: .12em;
}

.workflow-track summary strong {
  display: block;
  margin: 72px 0 18px;
  font: 400 clamp(24px, 2.6vw, 36px)/1.05 var(--serif);
  letter-spacing: -.035em;
}

.workflow-track summary p {
  max-width: 180px;
  margin: 0;
  color: var(--ui-muted);
  font-size: 11px;
  line-height: 1.75;
}

.workflow-track summary i {
  position: absolute;
  right: 24px;
  bottom: 24px;
  color: var(--ui-muted);
  font: 400 8px var(--mono);
  font-style: normal;
  letter-spacing: .08em;
}

.workflow-track details[open] summary i,
.method-grid details[open] summary i {
  transform: rotate(45deg);
}

.workflow-track details > div {
  padding: 0 24px 28px;
  border-top: 1px solid var(--ui-rule);
}

.workflow-track details > div b {
  display: block;
  margin-top: 22px;
  color: var(--ui-accent);
  font: 500 9px var(--mono);
  letter-spacing: .1em;
}

.workflow-track details > div p {
  color: var(--ui-ink);
  font-size: 11px;
  line-height: 1.8;
}

.workflow-track details > div small {
  color: var(--ui-muted);
  font-size: 9px;
  line-height: 1.7;
}

.method-library {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(190px, .36fr) minmax(0, 1fr);
  gap: clamp(50px, 8vw, 110px);
  margin-top: clamp(90px, 11vw, 150px);
}

.method-library > header h3 {
  margin: 18px 0 0;
  font: 400 clamp(34px, 4vw, 56px)/1 var(--serif);
  letter-spacing: -.045em;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--ui-rule-strong);
}

.method-grid details {
  position: relative;
  min-height: 190px;
  border-right: 1px solid var(--ui-rule);
  border-bottom: 1px solid var(--ui-rule);
  background: transparent;
  transition: color .25s ease, background .25s ease, padding .35s var(--ui-motion);
}

.method-grid details:nth-child(2n) {
  border-right: 0;
}

.method-grid details:hover,
.method-grid details:focus-within,
.method-grid details[open] {
  background: rgba(255, 255, 255, .62);
}

.method-grid summary {
  position: relative;
  min-height: 190px;
  padding: 26px 58px 26px 54px;
  list-style: none;
  cursor: pointer;
  transition: padding .35s var(--ui-motion);
}

.method-grid details:hover summary,
.method-grid details:focus-within summary {
  padding-left: 62px;
}

.method-grid summary small {
  position: absolute;
  top: 28px;
  left: 18px;
  color: var(--ui-accent);
  font: 500 8px var(--mono);
}

.method-grid summary strong {
  display: block;
  margin-bottom: 18px;
  font: 400 clamp(20px, 2.2vw, 28px)/1.15 var(--serif);
}

.method-grid summary span {
  color: var(--ui-muted);
  font-size: 11px;
  line-height: 1.7;
}

.method-grid summary i {
  position: absolute;
  right: 18px;
  bottom: 24px;
  color: var(--ui-muted);
  font: 400 8px var(--mono);
  font-style: normal;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity .25s ease, transform .25s ease;
}

.method-grid details:hover summary i,
.method-grid details:focus-within summary i,
.method-grid details[open] summary i {
  opacity: 1;
  transform: none;
}

.method-grid details > p {
  margin: -34px 54px 28px;
  padding-top: 18px;
  border-top: 1px solid var(--ui-rule);
  color: var(--ui-muted);
  font-size: 11px;
  line-height: 1.8;
}

@media (max-width: 940px) {
  .workflow-heading,
  .method-library {
    grid-template-columns: 1fr;
  }

  .workflow-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workflow-track details {
    min-height: 260px;
    border-bottom: 1px solid var(--ui-rule);
  }

  .workflow-track details:nth-child(2n) {
    border-right: 0;
  }

  .workflow-track details:last-child {
    grid-column: 1 / -1;
  }

  .workflow-track::before {
    display: none;
  }
}

@media (max-width: 620px) {
  .workflow-section {
    padding-right: 20px;
    padding-left: 20px;
  }

  .workflow-heading {
    margin-bottom: 54px;
  }

  .workflow-heading h2 {
    margin-top: 34px;
    font-size: clamp(54px, 17vw, 78px);
  }

  .workflow-track,
  .method-grid {
    grid-template-columns: 1fr;
  }

  .workflow-track details,
  .workflow-track details:last-child {
    grid-column: auto;
    min-height: 225px;
    border-right: 0;
  }

  .workflow-track summary {
    min-height: 225px;
  }

  .workflow-track summary strong {
    margin-top: 50px;
  }

  .method-grid details,
  .method-grid details:nth-child(2n) {
    min-height: 170px;
    border-right: 0;
  }

  .method-grid summary i {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .workflow-track details,
  .method-grid details,
  .method-grid i {
    transition: none;
  }
}