:root {
  --cream:       #F5F0E8;
  --cream-2:     #EFE7DA;
  --brown-d:     #3B2310;
  --brown-m:     #8B5E3C;
  --brown-l:     #C4956A;
  --line:        rgba(59, 35, 16, 0.18);
  --line-strong: rgba(59, 35, 16, 0.34);
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Manrope', system-ui, sans-serif;
  color: var(--brown-d);
  background: var(--brown-m);
  -webkit-font-smoothing: antialiased;
  padding: 32px 16px;
  line-height: 1.5;
}

/* ─── Toolbar ─── */
.toolbar {
  max-width: 820px;
  margin: 0 auto 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.toolbar p { margin: 0; color: var(--cream); font-size: 14px; opacity: .85; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--cream);
  color: var(--brown-d);
  border: 0;
  border-radius: 999px;
  padding: 13px 22px;
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: transform .15s ease;
}
.btn:hover { transform: translateY(-1px); }

/* ─── Sheet ─── */
.sheet {
  max-width: 820px;
  margin: 0 auto;
  background: var(--cream);
  border-radius: 14px;
  padding: clamp(28px, 5vw, 56px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, .25);
}

/* ─── Header ─── */
.head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 2px solid var(--brown-d);
  flex-wrap: wrap;
}
.brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--brown-d);
  color: var(--cream);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 16px;
}
.brand-row { display: flex; align-items: center; gap: 14px; }
.brand-row .name { font-weight: 600; font-size: 20px; letter-spacing: -0.01em; }
.brand-row .sub  { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.08em; color: var(--brown-m); margin-top: 2px; }

.doc-title { text-align: right; }
.doc-title .t {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-weight: 500;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1;
  color: var(--brown-d);
}
.doc-title .s {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brown-m);
  margin-top: 8px;
}

/* ─── Terms summary ─── */
.terms {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  margin: 24px 0 8px;
}
.terms div { background: var(--cream); padding: 16px 18px; }
.terms .k { font-family: 'JetBrains Mono', monospace; font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--brown-m); }
.terms .v { font-weight: 600; font-size: 16px; margin-top: 5px; }

/* ─── Section labels ─── */
.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brown-m);
  margin: 32px 0 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-label::before { content: ""; width: 20px; height: 1px; background: var(--brown-l); }

/* ─── Form grid ─── */
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 24px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
label { font-size: 13px; font-weight: 600; color: var(--brown-d); }

input,
textarea {
  font-family: 'Manrope', sans-serif;
  font-size: 15px;
  color: var(--brown-d);
  background: transparent;
  border: 0;
  border-bottom: 1.5px solid var(--line-strong);
  padding: 9px 2px;
  width: 100%;
}
input:focus, textarea:focus { outline: none; border-bottom-color: var(--brown-d); }
textarea { resize: vertical; min-height: 64px; border: 1.5px solid var(--line-strong); border-radius: 8px; padding: 12px; }

/* ─── Mains table ─── */
.mains { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; margin-top: 4px; }
.mains-row {
  display: grid;
  grid-template-columns: 1fr 120px;
  align-items: center;
  gap: 16px;
  padding: 13px 18px;
  border-bottom: 1px solid var(--line);
}
.mains-row:last-child { border-bottom: 0; }
.mains-row.header   { background: var(--cream-2); }
.mains-row.header span { font-family: 'JetBrains Mono', monospace; font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--brown-m); }
.mains-row .opt     { font-weight: 500; font-size: 15px; }
.mains-row input    { border: 1px solid var(--line-strong); border-radius: 7px; text-align: center; padding: 8px; }
.mains-row.total    { background: var(--cream-2); }
.mains-row.total .opt { font-weight: 700; }

/* ─── Sign-off ─── */
.signrow { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 36px; }
.sign { border-top: 1.5px solid var(--brown-d); padding-top: 8px; }
.sign span { font-family: 'JetBrains Mono', monospace; font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--brown-m); }

/* ─── Footer ─── */
.foot {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--brown-m);
}
.foot a { color: var(--brown-d); }

/* ─── Responsive ─── */
@media (max-width: 600px) {
  .grid, .terms, .signrow { grid-template-columns: 1fr; }
  .doc-title { text-align: left; }
  .head { flex-direction: column; }
}

/* ─── Print ─── */
@media print {
  @page { size: A4 portrait; margin: 14mm; }
  body { background: #fff; padding: 0; }
  .toolbar { display: none; }
  .sheet { box-shadow: none; border-radius: 0; padding: 0; max-width: none; }
  input, textarea { border-color: #999; }
}