.disciplines { background: var(--paper); color: var(--ink); padding: 140px 32px; }
.disc-inner { max-width: 1200px; margin: 0 auto; }

.discipline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  align-items: center;
  padding: 80px 0;
  border-top: 1px solid var(--hair-on-light);
}
.discipline:last-child { border-bottom: 1px solid var(--hair-on-light); }
.discipline:nth-child(even) .disc-visual { order: 2; }

.disc-visual {
  aspect-ratio: 5/6;
  border-radius: 3px;
  overflow: hidden;
  background: var(--ink);
  position: relative;
}
.disc-visual svg { width: 100%; height: 100%; display: block; }
.disc-visual-tag {
  position: absolute;
  top: 20px; left: 20px;
  padding: 8px 14px;
  background: rgba(14, 19, 37, 0.55);
  backdrop-filter: blur(8px);
  color: var(--paper);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-weight: 700;
  border-radius: 100px;
}

.disc-num {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 22px;
  color: var(--mute-on-light);
  margin-bottom: 16px;
}
.disc-title {
  font-weight: 900;
  font-size: clamp(38px, 5.4vw, 76px);
  line-height: 1;
  letter-spacing: -0.028em;
  text-wrap: balance;
  margin-bottom: 26px;
}
.disc-title em { font-family: var(--serif); font-style: italic; font-weight: 300; letter-spacing: -0.01em; }
.disc-lede { font-size: 17px; line-height: 1.7; color: var(--mute-on-light); max-width: 460px; margin-bottom: 26px; }
.disc-lede strong { color: var(--ink); font-weight: 700; }

.disc-deliv h5 {
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--mute-on-light);
  font-weight: 700;
  margin-bottom: 14px;
  margin-top: 30px;
}
.disc-deliv ul { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 24px; max-width: 460px; }
.disc-deliv li {
  font-size: 14px;
  color: var(--ink);
  padding-left: 16px;
  position: relative;
  padding-top: 2px;
}
.disc-deliv li::before {
  content: '';
  position: absolute;
  left: 0; top: 12px;
  width: 8px; height: 1px;
  background: var(--lime-2);
}

/* Process */
.process { background: var(--ink); color: var(--paper); padding: 140px 32px; }
.process-head { max-width: 1200px; margin: 0 auto 70px; text-align: center; }
.process-head h3 { font-weight: 900; font-size: clamp(38px, 5.4vw, 76px); line-height: 1; letter-spacing: -0.028em; text-wrap: balance; }
.process-head h3 em { font-family: var(--serif); font-style: italic; font-weight: 300; }
.process-head p { margin-top: 20px; max-width: 520px; margin-left: auto; margin-right: auto; color: var(--mute-on-dark); }

.process-steps {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.process-step {
  padding: 40px 24px;
  border: 1px solid var(--hair-on-dark);
  border-radius: 3px;
  position: relative;
  overflow: hidden;
  transition: background .3s, border-color .3s, transform .3s var(--ease-out-expo);
}
.process-step:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); transform: translateY(-6px); }
.process-step:hover .process-step-num,
.process-step:hover .process-step-h { color: var(--ink); }
.process-step-num {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 42px;
  color: var(--lime);
  line-height: 1;
  margin-bottom: 20px;
  transition: color .3s;
}
.process-step-h {
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 16px;
  transition: color .3s;
}
.process-step p { font-size: 14px; line-height: 1.65; }

/* Engagement */
.engagement { background: var(--paper); color: var(--ink); padding: 120px 32px; border-top: 1px solid var(--hair-on-light); }
.eng-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1.6fr; gap: 60px; }
.eng-inner h3 {
  font-weight: 900;
  font-size: clamp(32px, 4.4vw, 56px);
  line-height: 1;
  letter-spacing: -0.025em;
  text-wrap: balance;
  max-width: 340px;
}
.eng-inner h3 em { font-family: var(--serif); font-style: italic; font-weight: 300; }
.eng-list { list-style: none; display: grid; gap: 30px; }
.eng-model { display: grid; grid-template-columns: 200px 1fr; gap: 30px; padding-bottom: 30px; border-bottom: 1px solid var(--hair-on-light); }
.eng-model:last-child { border-bottom: 0; }
.eng-model b {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 26px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.eng-model p { font-size: 15px; line-height: 1.7; color: rgba(14, 19, 37, 0.7); }

@media (max-width: 900px) {
  .discipline { grid-template-columns: 1fr; gap: 40px; padding: 60px 0; }
  .discipline:nth-child(even) .disc-visual { order: 0; }
  .disc-deliv ul { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .eng-inner { grid-template-columns: 1fr; gap: 40px; }
  .eng-model { grid-template-columns: 1fr; gap: 12px; }
}
@media (max-width: 560px) {
  .disciplines, .process, .engagement { padding: 90px 20px; }
  .process-steps { grid-template-columns: 1fr; }
}