:root {
  --paper: #eef3e8;
  --ink: #243028;
  --line: #3d5a45;
  --muted: #5e6e62;
  --amber: #c47a2a;
  --panel: #1c241e;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Source Sans 3", system-ui, sans-serif;
  background: #dce6d6;
  color: var(--ink);
  line-height: 1.5;
}
a { color: var(--line); }
h1, h2, h3 { font-weight: 700; line-height: 1.15; }
.kicker, .chip, .dwg, .bm b, .readout, .titleblock {
  font-family: "Spline Sans Mono", ui-monospace, monospace;
}

.sheet-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  padding: 10px 3vw;
  background: var(--panel);
  color: #e8f0e4;
  position: sticky;
  top: 0;
  z-index: 8;
}
.dwg { letter-spacing: 0.14em; font-size: 13px; color: var(--amber); }
.chip { font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; opacity: 0.85; }
.chip a { color: #e8f0e4; }
.lang { margin-left: auto; display: flex; border: 1px solid #3d4a40; }
.lang button {
  border: 0; background: transparent; color: #e8f0e4;
  padding: 7px 12px; cursor: pointer; font: inherit; font-size: 12px; font-weight: 700;
}
.lang button.active { background: var(--amber); color: #1c241e; }

.sheet {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  min-height: 78vh;
  border-bottom: 2px solid var(--line);
}
.plot {
  position: relative;
  background: var(--paper);
  overflow: hidden;
}
.plot svg { width: 100%; height: 100%; min-height: 360px; display: block; }
.north {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border: 2px solid var(--line);
  display: grid;
  place-items: center;
  background: #fff;
  font-weight: 800;
  z-index: 2;
}
.bm {
  position: absolute;
  z-index: 3;
  width: 48px;
  height: 48px;
  margin: -24px 0 0 -24px;
  border: 2px solid var(--line);
  background: #fff;
  cursor: pointer;
  font: inherit;
  transform: rotate(45deg);
}
.bm b {
  display: block;
  transform: rotate(-45deg);
  font-size: 11px;
  font-weight: 700;
  color: var(--line);
}
.bm.on {
  background: var(--amber);
  border-color: var(--amber);
}
.bm.on b { color: #1c241e; }

.station {
  background: var(--panel);
  color: #e8f0e4;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.station .kicker { color: var(--amber); font-size: 12px; letter-spacing: 0.16em; margin-bottom: 10px; }
.station h1 { font-size: clamp(22px, 2.8vw, 32px); margin-bottom: 12px; }
.station p { color: #b7c4b4; }
.readout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 14px;
  margin-top: 18px;
  font-size: 12px;
}
.readout dt { color: var(--amber); }
.readout dd { color: #c5d2c2; }

.block {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 24px;
  padding: 36px 3vw;
  background: var(--paper);
}
.titleblock {
  border: 2px solid var(--line);
  padding: 16px;
  font-size: 12px;
  display: grid;
  gap: 6px;
  background: #fff;
}
.block h2 { font-size: clamp(24px, 3vw, 34px); margin: 8px 0 12px; }
.block p { color: var(--muted); }
.kicker { font-size: 11px; letter-spacing: 0.16em; color: var(--amber); font-weight: 700; }

.rack, .field, .walk, .rules, .ticket { padding: 36px 3vw; }
.rack { background: #e4ecde; }
.tools { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 14px; }
.tools article {
  background: #fff;
  border-top: 4px solid var(--line);
  padding: 16px;
}
.tools article p:first-child { font-family: "Spline Sans Mono", monospace; color: var(--amber); font-size: 12px; }
.tools h3 { font-size: 18px; margin: 8px 0; }
.tools p { color: var(--muted); font-size: 15px; }

.field { background: var(--panel); color: #e8f0e4; }
.field .kicker { color: var(--amber); }
.field h2 { font-size: clamp(24px, 3vw, 34px); margin: 8px 0 12px; max-width: 22ch; }
.field p { color: #b7c4b4; max-width: 68ch; }

.walk { background: var(--paper); }
.walk ol {
  list-style: none;
  display: grid;
  gap: 10px;
  max-width: 780px;
  margin-top: 12px;
}
.walk li {
  border: 1px solid #c9d4c0;
  background: #fff;
  padding: 14px 16px;
  color: var(--muted);
}

.rules { background: #e4ecde; }
.rules ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 12px;
}
.rules li {
  border-top: 3px solid var(--line);
  background: #fff;
  padding: 16px;
  color: var(--muted);
}

.ticket {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  background: #fff;
}
.ticket h2 { font-size: clamp(22px, 3vw, 32px); margin: 8px 0 12px; }
.ticket p { color: var(--muted); }
address { font-style: normal; margin-top: 16px; }
address p { margin: 4px 0; }
form { display: grid; gap: 10px; }
@media (min-width: 700px) {
  form { grid-template-columns: 1fr 1fr; }
  .wide, form button, .note { grid-column: 1 / -1; }
}
label { display: grid; gap: 4px; font-size: 12px; font-weight: 700; }
input, textarea {
  font: inherit; padding: 10px;
  border: 1px solid #c9d4c0;
  background: var(--paper);
}
button[type="submit"] {
  justify-self: start;
  background: var(--panel); color: #e8f0e4; border: 0;
  padding: 12px 18px; font: inherit; font-weight: 800; cursor: pointer;
}
.note { font-size: 13px; color: var(--muted); }
footer {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 14px 3vw 28px;
  background: var(--panel);
  color: #b7c4b4;
  font-size: 12px;
}

@media (max-width: 900px) {
  .sheet, .block, .tools, .rules ul, .ticket { grid-template-columns: 1fr; }
  .lang { margin-left: 0; }
  .plot { min-height: 360px; }
}