/* ============================================================
   Agent layer page
   ============================================================ */

.machine-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 500px);
  gap: clamp(36px, 6vw, 90px);
  align-items: center;
  padding: 64px 0 54px;
}
.machine-hero h1 { font-size: clamp(48px, 6.4vw, 84px); line-height: 1.08; letter-spacing: -0.03em; margin: 0; }
.machine-hero .lede { margin: 20px 0 0; font-size: 16px; line-height: 1.9; color: var(--ink-2); max-width: 52ch; }
.machine-hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.hero-code {
  background: #25231E;
  border-radius: var(--r-sm);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: rotate(0.7deg);
}
.hc-head { display: flex; justify-content: space-between; gap: 12px; padding: 11px 16px; border-bottom: 1px solid rgba(237,228,210,.12); }
.hc-head .mono { color: #C6BAA5; font-size: 10px; }
.hc-status { font-family: var(--mono); font-size: 9px; color: #8FA88E; }
.hero-code pre {
  margin: 0;
  padding: 18px 20px;
  color: #DCD1BC;
  font-family: var(--mono);
  font-size: 10.5px;
  line-height: 1.75;
  overflow-x: auto;
  white-space: pre;
}
.hc-foot { padding: 10px 16px; border-top: 1px solid rgba(237,228,210,.12); color: #8E8575; font-size: 8.5px; }
@media (max-width: 900px) { .machine-hero { grid-template-columns: 1fr; padding-top: 42px; } .hero-code { transform: none; } }

.machine-section { padding: 42px 0 32px; }
.file-grid { border-top: 1px solid var(--line); }
.file-row {
  display: grid;
  grid-template-columns: 56px 1fr 60px;
  gap: 22px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.fr-index { font-size: 11px; color: var(--ink-3); padding-top: 4px; }
.fr-main { min-width: 0; }
.fr-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 6px; }
.fr-head h3 { font-size: 22px; }
.fr-head .mono { font-size: 10px; color: var(--ink-3); }
.file-row p { margin: 0 0 12px; font-size: 13px; line-height: 1.75; color: var(--ink-2); max-width: 66ch; }
.code-mini {
  background: #F7F2E8;
  border: 1px solid var(--line);
  border-left: 2px solid var(--teal);
  padding: 11px 13px;
  font-family: var(--mono);
  font-size: 10px;
  line-height: 1.7;
  color: var(--ink-2);
  overflow-x: auto;
  white-space: pre;
  border-radius: 0 2px 2px 0;
}
.fr-go {
  justify-self: end;
  font-size: 11.5px;
  color: var(--teal);
  border-bottom: 1px solid rgba(39,71,67,.3);
  padding-bottom: 2px;
  white-space: nowrap;
}
.fr-go:hover { color: var(--ink); border-color: var(--ink); }
@media (max-width: 640px) {
  .file-row { grid-template-columns: 34px 1fr; }
  .fr-go { grid-column: 2; justify-self: start; }
}

.protocol-section {
  margin-top: 42px;
  background: var(--ink);
  color: #EDE4D2;
  position: relative;
  overflow: hidden;
}
.protocol-section::before {
  content: '';
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(237,228,210,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(237,228,210,.04) 1px, transparent 1px);
  background-size: 34px 34px;
  pointer-events: none;
}
.protocol-section .wrap { padding: 52px 0 56px; position: relative; }
.protocol-section .section-title h2 { color: #F3EAD8; }
.protocol-section .section-title p { color: #A99F8D; }
.protocol-section .section-meta { color: #8E8575; }
.protocol-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 50px; align-items: start; }
.protocol-steps { display: flex; flex-direction: column; gap: 0; }
.p-step { padding: 18px 0; border-top: 1px solid rgba(237,228,210,.15); }
.p-step:first-child { border-top: 0; padding-top: 0; }
.ps-n { font-size: 9px; color: #8E8575; letter-spacing: .05em; }
.p-step h3 { color: #F1E7D5; font-size: 19px; margin: 7px 0 5px; }
.p-step code { display: inline-block; font-family: var(--mono); font-size: 10.5px; color: #E0B97E; background: rgba(237,228,210,.06); padding: 2px 7px; border-radius: 2px; margin-bottom: 7px; }
.p-step p { color: #A99F8D; font-size: 12.5px; line-height: 1.75; margin: 0; max-width: 50ch; }
.protocol-code { background: #1B1A16; border: 1px solid rgba(237,228,210,.13); border-radius: 3px; overflow: hidden; }
.pc-head { display: flex; justify-content: space-between; padding: 10px 14px; border-bottom: 1px solid rgba(237,228,210,.12); color: #8E8575; font-size: 9px; }
.pc-dot { color: #7E9A83; }
.protocol-code pre {
  margin: 0;
  padding: 18px;
  font-family: var(--mono);
  font-size: 10.5px;
  line-height: 1.75;
  color: #D9CDB7;
  overflow-x: auto;
  white-space: pre;
}
@media (max-width: 900px) { .protocol-grid { grid-template-columns: 1fr; gap: 30px; } }

.identity-section { padding: 54px 0 20px; }
.identity-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 70px; align-items: start; padding-top: 34px; border-top: 1px solid var(--line); }
.identity-grid h2 { font-size: clamp(28px, 3vw, 38px); }
.identity-grid p { font-size: 14px; line-height: 1.85; color: var(--ink-2); max-width: 54ch; margin: 14px 0 22px; }
.identity-list { margin: 0; }
.identity-list div { display: flex; justify-content: space-between; gap: 20px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 12.5px; }
.identity-list div:first-child { border-top: 1px solid var(--line); }
.identity-list dt { color: var(--ink-3); }
.identity-list dd { margin: 0; color: var(--ink); text-align: right; }
@media (max-width: 800px) { .identity-grid { grid-template-columns: 1fr; gap: 30px; } }

.protocol-note { margin-top: 26px; border-top: 1px solid rgba(237,228,210,.15); padding-top: 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 28px; }
.protocol-note > div { display: flex; flex-direction: column; gap: 5px; }
.protocol-note strong { color: #F1E7D5; font-size: 12.5px; font-weight: 500; }
.protocol-note code { font-family: var(--mono); font-size: 10px; color: #E0B97E; background: rgba(237,228,210,.06); padding: 3px 7px; border-radius: 2px; align-self: flex-start; }
.protocol-note span { color: #A99F8D; font-size: 11.5px; line-height: 1.7; }
@media (max-width: 760px) { .protocol-note { grid-template-columns: 1fr; } }