/* ============================================================
   REBUILD — Private Infrastructure Build (single-offer page)
   Additive to styles.css — same tokens, new section patterns.
   ============================================================ */

/* ---------- phase strip (the offer, one product) ---------- */
.phase-strip {
  margin-top: clamp(40px, 6vh, 68px);
  display: grid; grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--line);
}
.phase {
  padding: clamp(24px, 2.6vw, 34px) clamp(16px, 1.6vw, 26px) 0 clamp(16px, 1.6vw, 26px);
  border-left: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 14px;
}
.phase:first-child { border-left: none; padding-left: 0; }
.phase .pic { width: 26px; height: 26px; color: var(--clay); }
.phase h3 { font-size: clamp(1.02rem, 1.2vw, 1.2rem); font-weight: 500; letter-spacing: -0.02em; margin-top: 2px; }
.phase p { color: var(--dim); font-size: 13.5px; line-height: 1.5; }
.phase-note {
  margin-top: clamp(22px, 3vh, 34px); display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap; padding-top: 22px; border-top: 1px dashed var(--line-2);
}

/* ---------- scope of work ---------- */
.scope-wrap { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 10px; }
.scope-tag {
  font-family: var(--mono); font-size: 13px; letter-spacing: 0.01em; color: var(--ink);
  border: 1px solid var(--line-2); border-radius: 100px; padding: 10px 18px;
}

/* ---------- delivery model (trust, real weight) ---------- */
.dash-list { list-style: none; margin: 20px 0 0; padding: 0; display: flex; flex-direction: column; gap: 8px; max-width: 46ch; }
.dash-list li { color: var(--soft); font-size: clamp(1.02rem, 1.2vw, 1.2rem); line-height: 1.5; }
.dash-list .dash { color: var(--clay); font-family: var(--mono); margin-right: 6px; }
.delivery-statement {
  font-size: clamp(1.7rem, 3.4vw, 3rem); letter-spacing: -0.03em; line-height: 1.14;
  max-width: 22ch;
}
.delivery-statement em { font-style: normal; color: var(--clay); }
.delivery-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(36px, 5vw, 90px); align-items: start; }
.delivery-body { color: var(--soft); font-size: clamp(1.02rem, 1.2vw, 1.2rem); line-height: 1.6; max-width: 48ch; margin-top: 22px; }

.chain { margin-top: clamp(30px, 4vh, 48px); display: flex; align-items: stretch; gap: 0; }
.chain-node {
  flex: 1; border: 1px solid var(--line); border-radius: 14px; background: var(--paper-2);
  padding: 24px 20px; display: flex; flex-direction: column; gap: 10px;
  box-shadow: 0 24px 60px -42px rgba(20,18,13,0.4);
}
.chain-node .cn-ic { width: 24px; height: 24px; color: var(--clay); }
.chain-node .cl { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--dim); margin-top: 4px; }
.chain-node .ct { font-size: 1.1rem; font-weight: 500; letter-spacing: -0.02em; }
.chain-node .cd { font-size: 13px; color: var(--dim); line-height: 1.45; }
.chain-arrow { flex: none; display: flex; align-items: center; justify-content: center; width: clamp(28px, 3vw, 46px); color: var(--faint); font-family: var(--mono); }

/* ---------- proof: showcase ---------- */
.case-grid { margin-top: clamp(30px, 4vh, 48px); display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(14px, 1.6vw, 20px); }
.case-grid-4 { grid-template-columns: repeat(4, 1fr); }
.case-card {
  border: 1px solid var(--line); border-radius: 14px; background: var(--paper-2);
  box-shadow: 0 30px 70px -48px rgba(20, 18, 13, 0.4);
  padding: clamp(22px, 2.4vw, 28px); min-height: 190px; display: flex; flex-direction: column; gap: 12px;
  transition: background .5s var(--ease2), transform .5s var(--ease);
}
.case-card:hover { background: #fbf9f3; transform: translateY(-3px); }
.case-card .case-ic { width: 24px; height: 24px; color: var(--clay); }
.case-card .cs-tag {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--clay);
  background: var(--clay-soft); border-radius: 100px; padding: 5px 11px; align-self: flex-start;
}
.case-card h4 { font-size: 1.05rem; font-weight: 500; letter-spacing: -0.02em; margin-top: auto; }
.case-card p { font-size: 13px; color: var(--dim); line-height: 1.5; }

/* ---------- ICP ---------- */
.icp-grid { margin-top: clamp(30px, 4vh, 48px); display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(16px, 2vw, 24px); }
.icp-card { border-top: 1px solid var(--line); padding-top: 24px; }
.icp-card .in { font-family: var(--mono); font-size: 11px; color: var(--clay); letter-spacing: 0.08em; }
.icp-card h3 { font-size: clamp(1.2rem, 1.6vw, 1.5rem); letter-spacing: -0.025em; margin: 12px 0 10px; }
.icp-card p { color: var(--soft); font-size: 15px; line-height: 1.55; max-width: 42ch; }

/* ---------- responsive ---------- */
@media (max-width: 920px) {
  .delivery-grid { grid-template-columns: 1fr; }
  .icp-grid { grid-template-columns: 1fr; }
  .case-grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .phase-strip { grid-template-columns: 1fr; border-top: none; }
  .phase { border-left: none; border-top: 1px solid var(--line); padding-left: 0; padding-top: 22px; }
  .phase:first-child { border-top: none; }
  .case-grid { grid-template-columns: 1fr; }
  .case-grid-4 { grid-template-columns: 1fr; }
  .chain { flex-direction: column; }
  .chain-arrow { width: auto; height: 28px; transform: rotate(90deg); }
}