/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: clamp(56px, 9vw, 120px) 0 clamp(64px, 9vw, 120px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(to right, var(--line) 1px, transparent 1px);
  background-size: calc((min(100vw, var(--max)) - 2 * var(--pad)) / 4) 100%;
  background-position: center top;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.55), transparent 85%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,.55), transparent 85%);
}
.hero-grid {
  position: relative;
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(40px, 6vw, 88px); align-items: center;
}
.kicker { margin: 0 0 28px; }
h1, h2, h3 { font-family: var(--display); font-weight: 300; margin: 0; letter-spacing: -.025em; }
h1 { font-size: clamp(42px, 5vw, 68px); line-height: 1.02; letter-spacing: -.035em; }
h1 .soft { color: var(--fg-3); }
.lede { max-width: 520px; margin: 30px 0 0; color: var(--fg-2); font-size: 17px; line-height: 1.6; }
.cta { display: flex; gap: 12px; margin-top: 38px; flex-wrap: wrap; }
.ports-strip { list-style: none; padding: 0; margin: 48px 0 0; display: flex; flex-wrap: wrap; row-gap: 10px; }
.ports-strip li { font: 400 11.5px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--fg-3); display: inline-flex; align-items: center; }
.ports-strip li + li::before { content: ""; width: 3px; height: 3px; background: var(--fg-4); margin: 0 14px; flex: none; }

/* ---------- Board ---------- */
.board {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line-2);
  box-shadow: 0 40px 120px -40px rgba(0, 0, 0, .9);
}
.board-head, .board-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 20px; border-bottom: 1px solid var(--line);
}
.board-head .mono { font-size: 10.5px; }
.live { display: inline-block; width: 6px; height: 6px; background: var(--fg); margin-right: 8px; vertical-align: 1px; animation: blink 2.4s steps(1) infinite; }
@keyframes blink { 50% { opacity: .2; } }

.route { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 18px; padding: 24px 20px 20px; }
.port { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.port.to { align-items: flex-end; text-align: right; }
.port .select select { font: 400 19px/1.2 var(--display); letter-spacing: -.01em; max-width: 160px; text-overflow: ellipsis; }
.port.to .select select { text-align: right; text-align-last: right; }
.lane { position: relative; height: 10px; margin-top: 22px; }
.lane-line { position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: repeating-linear-gradient(90deg, var(--fg-3) 0 4px, transparent 4px 9px); }
.lane-dot { position: absolute; top: 0; left: 0; width: 10px; height: 10px; background: var(--fg); transition: left 1.1s var(--ease); }
.lane-dot.go { left: calc(100% - 10px); }

.agent-line { display: flex; align-items: baseline; gap: 12px; padding: 0 20px 16px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.agent-line .mono { font-size: 10.5px; }
.agent-name { font-weight: 500; font-size: 14px; }
.agent-blurb { color: var(--fg-3); font-size: 12.5px; flex-basis: 100%; }

.ledger { list-style: none; margin: 0; padding: 6px 0; min-height: 300px; }
.ledger li {
  display: grid; grid-template-columns: 104px 1fr auto; align-items: center; gap: 14px;
  padding: 9px 20px; font-size: 13px;
  opacity: 0; transform: translateY(4px);
  animation: rowin .5s var(--ease) forwards;
}
@keyframes rowin { to { opacity: 1; transform: none; } }
.ledger .k { color: var(--fg-2); }
.ledger .sqs { display: flex; gap: 4px; flex-wrap: wrap; }
.ledger .s { font: 400 11px/1.3 var(--mono); letter-spacing: .04em; color: var(--fg-3); text-align: right; white-space: nowrap; }
.ledger .s.as-is { color: var(--fg); }

.board-foot { border-bottom: 0; border-top: 1px solid var(--line); padding: 16px 20px; flex-wrap: wrap; }
.tally { display: flex; gap: 18px; font-size: 12.5px; color: var(--fg-3); flex-wrap: wrap; }
.tally b { color: var(--fg); font-weight: 500; margin-right: 5px; font-feature-settings: "tnum"; }
.run { font-size: 13px; font-weight: 500; display: inline-flex; gap: 8px; border-bottom: 1px solid var(--fg-4); padding-bottom: 2px; transition: border-color .2s; }
.run:hover { border-color: var(--fg); }
.run span { transition: transform .25s var(--ease); }
.run:hover span { transform: translateX(3px); }

/* ---------- Blocks ---------- */
.block { padding: clamp(80px, 11vw, 150px) 0; border-bottom: 1px solid var(--line); }
.block-head { margin-bottom: clamp(44px, 6vw, 72px); max-width: 760px; }
.block-head.split { max-width: none; display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; flex-wrap: wrap; }
.block-head .mono { margin: 0 0 22px; }
h2 { font-size: clamp(34px, 4.4vw, 58px); line-height: 1.04; }
.block-lede { color: var(--fg-2); font-size: 16.5px; max-width: 560px; margin: 24px 0 0; }

/* Manifest ledger */
.manifest { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-2); counter-reset: m; }
.manifest li {
  counter-increment: m;
  display: grid; grid-template-columns: 56px minmax(160px, 1.1fr) 2fr minmax(180px, 1.1fr);
  gap: 24px; align-items: baseline;
  padding: 24px 0; border-bottom: 1px solid var(--line);
  transition: background .25s;
}
.manifest li::before { content: counter(m, decimal-leading-zero); font: 400 11.5px/1 var(--mono); color: var(--fg-4); letter-spacing: .06em; }
.manifest li:hover { background: linear-gradient(90deg, rgba(237,232,223,.025), transparent 70%); }
.m-name { font: 300 24px/1.2 var(--display); letter-spacing: -.015em; }
.m-desc { color: var(--fg-2); }
.m-src { color: var(--fg-3); font-size: 11.5px; text-align: right; line-height: 1.6; text-transform: none; letter-spacing: .02em; }

/* Steps */
.steps { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.track { position: absolute; left: 0; right: 0; top: 4px; height: 1px; background: var(--line-2); }
.track span { position: absolute; left: 0; top: -4px; width: 9px; height: 9px; background: var(--fg); animation: sail 9s var(--ease) infinite; }
@keyframes sail {
  0%, 8% { left: 0; }
  25%, 33% { left: 25%; }
  50%, 58% { left: 50%; }
  75%, 92% { left: 75%; }
  100% { left: 0; }
}
.step { position: relative; padding: 44px 32px 0 0; }
.step::before { content: ""; position: absolute; left: 0; top: 0; width: 9px; height: 9px; box-shadow: inset 0 0 0 1px var(--fg-3); background: var(--bg); }
.step-n { color: var(--fg-4); display: block; margin-bottom: 18px; }
.step h3 { font-size: 30px; line-height: 1.1; margin-bottom: 14px; }
.step p { color: var(--fg-2); margin: 0; max-width: 260px; }

/* Matrix */
.legend { list-style: none; margin: 0; padding: 0; display: flex; gap: 22px; flex-wrap: wrap; }
.legend li { display: inline-flex; align-items: center; gap: 9px; font-size: 13px; color: var(--fg-2); }
.matrix-wrap { overflow-x: auto; border: 1px solid var(--line-2); background: var(--panel); }
.matrix { width: 100%; min-width: 720px; border-collapse: collapse; font-size: 13.5px; }
.matrix th, .matrix td { padding: 15px 18px; border-bottom: 1px solid var(--line); text-align: center; }
.matrix tr:last-child td, .matrix tr:last-child th { border-bottom: 0; }
.matrix thead th { font: 400 10.5px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--fg-3); padding-top: 18px; padding-bottom: 18px; }
.matrix tbody th { text-align: left; font-weight: 400; color: var(--fg-2); white-space: nowrap; }
.matrix td { position: relative; }
.matrix td .sq { width: 10px; height: 10px; }
.matrix tbody tr { transition: background .2s; }
.matrix tbody tr:hover { background: rgba(237,232,223,.025); }
.matrix-note { color: var(--fg-3); font-size: 13.5px; margin: 20px 0 0; }

/* Safety */
.safety { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(40px, 7vw, 110px); align-items: start; }
.safety-lead .mono { margin: 0 0 22px; }
.safety-lead h2 { font-size: clamp(40px, 5.4vw, 72px); }
.safety-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line-2); border-left: 1px solid var(--line); }
.safety-grid > div { padding: 30px 28px 34px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.safety-grid h3 { font-size: 21px; margin-bottom: 12px; letter-spacing: -.01em; }
.safety-grid p { margin: 0; color: var(--fg-2); font-size: 14.5px; }

/* Token */
.token { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(40px, 6vw, 96px); align-items: end; }
.token h2 { font-size: clamp(56px, 8vw, 112px); line-height: .9; letter-spacing: -.045em; }
.token .mono { margin: 0 0 22px; }
.ca-card { border: 1px solid var(--line-2); background: var(--panel); padding: 24px; }
.ca-card > .mono { font-size: 10.5px; }
.ca-row { display: flex; align-items: center; gap: 14px; margin: 14px 0 20px; padding: 14px 16px; border: 1px solid var(--line); background: var(--bg); }
.ca { flex: 1; min-width: 0; font: 400 13.5px/1.4 var(--mono); color: var(--fg); overflow-wrap: anywhere; }
.ca.pending { color: var(--fg-3); }
.ca-links { display: flex; gap: 10px; flex-wrap: wrap; }

/* Closing */
.closing { padding: clamp(90px, 12vw, 160px) 0; text-align: center; }
.closing-mark { width: 38px; height: 52px; margin: 0 auto 36px; }
.closing h2 { margin-bottom: 36px; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr; }
  .board { max-width: 640px; }
  .manifest li { grid-template-columns: 44px 1fr; gap: 6px 16px; }
  .manifest li::before { grid-row: span 3; padding-top: 8px; }
  .m-src { text-align: left; }
  .safety, .token { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .steps { grid-template-columns: 1fr 1fr; row-gap: 48px; }
  .track { display: none; }
}
@media (max-width: 560px) {
  body { font-size: 14.5px; }
  .hero::before { background-size: 50% 100%; }
  .route { grid-template-columns: 1fr; gap: 14px; }
  .port.to { align-items: flex-start; text-align: left; }
  .port.to .select select { text-align: left; text-align-last: left; }
  .lane { margin: 2px 0; }
  .ledger li { grid-template-columns: 92px 1fr auto; gap: 10px; padding: 9px 16px; }
  .ledger .s { font-size: 10px; letter-spacing: 0; }
  .board-head, .board-foot, .route, .agent-line { padding-left: 16px; padding-right: 16px; }
  .steps { grid-template-columns: 1fr; }
  .safety-grid { grid-template-columns: 1fr; }
  .top .btn.sm { padding: 0 12px; }
}