:root {
  --paper: #f4f1e8;
  --sheet: #fbf8f1;
  --ink: #10233a;
  --rule: #c9c2b0;
  --blue: #1f5c82;
  --stamp: #9c2b24;
  --mute: #5c6570;
  --white: #fffdf8;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: #d8d2c4;
  color: var(--ink);
  font-family: "Source Sans 3", sans-serif;
  font-size: 17px;
  line-height: 1.65;
}
.sheet {
  max-width: 1280px;
  margin: 0 auto;
  background: var(--paper);
  background-image: linear-gradient(rgba(31, 92, 130, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 92, 130, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  min-height: 100vh;
  border-left: 1px solid var(--rule);
  border-right: 1px solid var(--rule);
}
img { width: 100%; display: block; object-fit: cover; }
a { color: var(--blue); text-decoration: none; }
h1, h2, h3, .mark b {
  font-family: "Source Serif 4", serif;
  font-optical-sizing: auto;
  font-weight: 600;
  line-height: 1.12;
}

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(244, 241, 232, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.stamp {
  font-family: "Barlow Condensed", sans-serif;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 12px;
  padding: 8px 28px;
  background: var(--ink);
  color: var(--paper);
}
.top-row {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 28px;
}
.mark { color: var(--ink); display: flex; flex-direction: column; }
.mark b {
  font-family: "Barlow Condensed", sans-serif;
  font-size: 32px;
  letter-spacing: 0.14em;
  font-weight: 700;
}
.mark small { font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--mute); }
nav { display: flex; flex-wrap: wrap; gap: 14px; }
nav a { color: var(--ink); font-size: 14px; letter-spacing: 0.04em; }
nav a:hover { color: var(--stamp); }
.chip {
  margin-left: auto;
  border: 1px solid var(--stamp);
  color: var(--stamp);
  padding: 8px 12px;
  font-family: "Barlow Condensed", sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 14px;
}
.burger {
  display: none;
  background: var(--ink);
  color: var(--paper);
  border: 0;
  padding: 8px 12px;
  font: inherit;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 12px;
  cursor: pointer;
}

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--rule);
}
.hero-frame { padding: 56px 40px; }
.code, .kicker, .tag {
  font-family: "Barlow Condensed", sans-serif;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--stamp);
  font-size: 13px;
}
h1 { font-size: clamp(36px, 4.6vw, 62px); margin: 12px 0 16px; max-width: 16ch; }
.lede, .intro { max-width: 54ch; color: var(--mute); }
.hero-actions { display: flex; gap: 10px; margin: 24px 0 28px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  font-family: "Barlow Condensed", sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 15px;
  border: 1px solid var(--ink);
  cursor: pointer;
  background: transparent;
  color: var(--ink);
}
.btn.ink { background: var(--ink); color: var(--paper); }
.btn.paper { background: var(--sheet); }
.meta { list-style: none; display: grid; gap: 10px; font-size: 15px; }
.meta span {
  display: block;
  font-family: "Barlow Condensed", sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--blue);
}
.hero-img { position: relative; border-left: 1px solid var(--rule); }
.hero-img img { height: 100%; min-height: 520px; }
.hero-img figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 10px 14px;
  background: rgba(16, 35, 58, 0.78);
  color: var(--paper);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: "Barlow Condensed", sans-serif;
}

.dims {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--rule);
}
.dims article { padding: 24px; border-right: 1px solid var(--rule); }
.dims article:last-child { border-right: 0; }
.dims em { display: block; color: var(--stamp); font-family: "Barlow Condensed", sans-serif; font-style: normal; }
.dims strong { display: block; font-family: "Barlow Condensed", sans-serif; letter-spacing: 0.06em; text-transform: uppercase; margin: 6px 0 8px; }
.dims p { color: var(--mute); font-size: 15px; }

section { padding: 72px 40px; border-bottom: 1px solid var(--rule); }
h2 { font-size: clamp(30px, 4vw, 48px); margin: 8px 0 22px; max-width: 22ch; }
.two, .issue-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 32px; }
.two p { margin-bottom: 14px; color: var(--mute); }
.callout, .card, form {
  background: var(--white);
  border: 1px solid var(--rule);
  padding: 24px;
}
.callout h3, .card h3 { font-size: 22px; margin: 16px 0 8px; }
.callout h3:first-child, .card h3:first-child { margin-top: 0; }
.callout ul, .card ul, .scope-list ul, .floors ul { padding-left: 18px; color: var(--mute); }

.scope { background: var(--sheet); }
.scope-list { display: grid; gap: 16px; }
.scope-list article {
  display: grid;
  grid-template-columns: 260px 1fr 280px;
  gap: 24px;
  padding: 20px 0;
  border-top: 1px solid var(--rule);
}
.scope-list header span {
  display: block;
  font-family: "Barlow Condensed", sans-serif;
  color: var(--stamp);
  font-size: 20px;
}
.scope-list h3 { font-size: 28px; }

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.filters button, #faqList button {
  background: var(--white);
  border: 1px solid var(--rule);
  color: var(--ink);
  padding: 8px 12px;
  font-family: "Barlow Condensed", sans-serif;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
}
.filters button.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.lib-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.lib-grid article { background: var(--white); border: 1px solid var(--rule); }
.lib-grid img { height: 180px; }
.lib-grid h3, .lib-grid p { padding: 0 14px; }
.lib-grid h3 { margin: 12px 0 6px; font-size: 22px; }
.lib-grid p { padding-bottom: 14px; color: var(--mute); font-size: 15px; }
.lib-grid article.off { display: none; }

.floors { display: grid; gap: 20px; }
.floors article {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 24px;
  background: var(--white);
  border: 1px solid var(--rule);
}
.floors img { min-height: 280px; height: 100%; }
.floors div { padding: 24px 24px 24px 0; }
.floors h3 { font-size: 30px; margin: 8px 0 10px; }

.sequence ol { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: step; }
.sequence li { border-top: 3px solid var(--stamp); padding-top: 12px; }
.sequence li::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: "Barlow Condensed", sans-serif;
  color: var(--stamp);
  display: block;
}
.sequence h3 { font-size: 22px; margin: 6px 0 8px; }

.sectors {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.sectors article { min-height: 180px; padding: 20px; border: 1px solid var(--rule); background: var(--white); }
.sectors h3 { margin-bottom: 8px; }

.planner form {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  align-items: end;
  background: transparent;
  border: 0;
  padding: 0;
}
label { display: grid; gap: 6px; font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--mute); font-family: "Barlow Condensed", sans-serif; }
input, select, textarea {
  border: 1px solid var(--rule);
  background: var(--white);
  padding: 10px;
  font: inherit;
  color: var(--ink);
  text-transform: none;
  letter-spacing: 0;
  font-family: "Source Sans 3", sans-serif;
}
.planner-out { margin-top: 16px; padding: 16px; border: 1px solid var(--stamp); background: #fff6f2; }

.note-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.note-grid article { border-top: 1px solid var(--rule); padding-top: 14px; }
.note-grid time { font-family: "Barlow Condensed", sans-serif; color: var(--stamp); letter-spacing: 0.12em; text-transform: uppercase; font-size: 12px; }
.note-grid h3 { font-size: 24px; margin: 8px 0 8px; }

#faqList article { border-bottom: 1px solid var(--rule); }
#faqList button {
  width: 100%;
  text-align: left;
  border: 0;
  background: none;
  font-family: "Source Serif 4", serif;
  font-size: 24px;
  text-transform: none;
  letter-spacing: 0;
  padding: 14px 0;
}
#faqList p { display: none; color: var(--mute); padding-bottom: 14px; }
#faqList article.open p { display: block; }

.issue { background: var(--sheet); }
form { display: grid; gap: 12px; }
.fine, .status { font-size: 14px; color: var(--mute); text-transform: none; letter-spacing: 0; font-family: "Source Sans 3", sans-serif; }
.status.ok { color: var(--blue); }

footer {
  padding: 28px 40px 40px;
  color: var(--mute);
  font-size: 14px;
}
footer b { color: var(--ink); }
.tiny { margin-top: 10px; font-size: 12px; }

@media (max-width: 980px) {
  .sheet { border: 0; }
  .hero, .two, .scope-list article, .lib-grid, .floors article,
  .sequence ol, .sectors, .note-grid, .issue-grid, .dims, .planner form {
    grid-template-columns: 1fr;
  }
  .floors div { padding: 20px; }
  nav, .chip { display: none; }
  nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    left: 0; right: 0; top: 100%;
    background: var(--paper);
    padding: 16px 20px 20px;
    border-bottom: 1px solid var(--rule);
  }
  .burger { display: inline-flex; margin-left: auto; }
  .hero-frame, section, .top-row, footer { padding-left: 18px; padding-right: 18px; }
  .dims article { border-right: 0; border-bottom: 1px solid var(--rule); }
}