/* RC-FBSIC 2027 — "drawing set" system.
   Layout: each page is a sheet on a faint drafting grid; content sits left-aligned on a 12-column
   frame, facts live in title-block tables, and every page closes with a sheet title block. */
:root {
  --paper: #EEF0EC;      /* limestone ground, cool green bias */
  --paper-2: #E3E7E1;    /* recessed panels */
  --sheet: #F8F9F6;      /* raised sheet surfaces */
  --ink: #15201D;        /* drafting ink */
  --ink-2: #4B5753;      /* secondary text */
  --line: #BCC4BE;       /* hairline rules */
  --grid: rgba(21, 32, 29, .045);
  --accent: #1E6A55;     /* verdigris: the one bold colour */
  --accent-ink: #F8F9F6; /* text on accent */
  --accent-soft: #D6E5DD;
  --signal: #A8431A;     /* survey-marker orange, deadlines only */

  --f-display: "Archivo", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --f-body: "Source Serif 4", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;

  --s--1: .8125rem; --s-0: 1.0625rem; --s-1: 1.25rem; --s-2: 1.5625rem;
  --s-3: clamp(1.75rem, 1.3rem + 1.6vw, 2.375rem);
  --s-4: clamp(2.25rem, 1.4rem + 3.2vw, 3.75rem);
  --s-5: clamp(2.6rem, 1.2rem + 5.4vw, 5.5rem);

  --frame: 1240px;
  --gutter: clamp(16px, 4vw, 40px);
  --radius: 2px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0E1513; --paper-2: #131C19; --sheet: #17221F; --ink: #E4EBE7; --ink-2: #9EACA6;
    --line: #2C3934; --grid: rgba(228, 235, 231, .035); --accent: #6CC2A3; --accent-ink: #0E1513;
    --accent-soft: #1B3029; --signal: #F0905F; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0E1513; --paper-2: #131C19; --sheet: #17221F; --ink: #E4EBE7; --ink-2: #9EACA6;
  --line: #2C3934; --grid: rgba(228, 235, 231, .035); --accent: #6CC2A3; --accent-ink: #0E1513;
  --accent-soft: #1B3029; --signal: #F0905F; color-scheme: dark;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 var(--s-0)/1.6 var(--f-body);
  font-optical-sizing: auto; text-rendering: optimizeLegibility;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .2em; }
a:hover { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: var(--radius); }
h1, h2, h3, h4 { font-family: var(--f-display); font-weight: 700; line-height: 1.05; margin: 0; text-wrap: balance; letter-spacing: -.01em; }
h1 { font-size: var(--s-5); font-stretch: 112%; font-weight: 800; letter-spacing: -.025em; }
h2 { font-size: var(--s-4); font-stretch: 108%; letter-spacing: -.02em; }
h3 { font-size: var(--s-1); font-stretch: 100%; line-height: 1.2; }
p { margin: 0; }
p + p { margin-top: .9em; }
ul, ol { margin: 0; padding: 0; }
.skip { position: absolute; left: -9999px; top: 0; }
.skip:focus { left: 16px; top: 12px; z-index: 100; background: var(--ink); color: var(--paper); padding: 8px 14px; }
.frame { width: 100%; max-width: var(--frame); margin-inline: auto; padding-inline: var(--gutter); }
.mono, .label { font-family: var(--f-mono); }
.label {
  font-size: .75rem; font-weight: 500; letter-spacing: .09em; text-transform: uppercase; color: var(--ink-2);
}
.num { font-variant-numeric: tabular-nums; }
.measure { max-width: 64ch; }
.lede { font-size: var(--s-1); line-height: 1.5; color: var(--ink-2); max-width: 46ch; }

/* ---------- utility bar + header ---------- */
.util { border-bottom: 1px solid var(--line); background: var(--paper); font-family: var(--f-mono); font-size: .75rem; letter-spacing: .04em; }
.util .frame { display: flex; gap: 8px 24px; justify-content: space-between; align-items: center; min-height: 36px; flex-wrap: wrap; padding-block: 6px; }
.util p { color: var(--ink-2); }
@media (max-width: 640px) { .util p { display: none; } .util .frame { justify-content: flex-end; } }
.util nav { display: flex; gap: 20px; }
.util a { text-decoration: none; color: var(--ink-2); }
.util a:hover { color: var(--accent); }

.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: saturate(1.2) blur(8px); -webkit-backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .frame { display: flex; align-items: center; gap: 24px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); flex-shrink: 0; }
.brand svg { width: 34px; height: 34px; flex-shrink: 0; }
.brand-word { display: grid; line-height: 1; }
.brand-word b { font: 800 1.125rem/1 var(--f-display); font-stretch: 118%; letter-spacing: .01em; }
.brand-word span { font: 500 .6875rem/1.3 var(--f-mono); letter-spacing: .08em; color: var(--ink-2); margin-top: 4px; }
.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav a {
  font: 600 .9375rem/1 var(--f-display); text-decoration: none; color: var(--ink);
  padding: 10px 11px; border-radius: var(--radius); white-space: nowrap;
}
.nav a:hover { color: var(--accent); }
.nav a[aria-current="page"] { color: var(--accent); box-shadow: inset 0 -2px 0 var(--accent); border-radius: 0; }
.nav .btn { margin-left: 10px; }
.menu-btn {
  display: none; margin-left: auto; background: none; border: 1px solid var(--line); color: var(--ink);
  font: 600 .875rem/1 var(--f-display); padding: 10px 14px; border-radius: var(--radius); cursor: pointer;
}
@media (max-width: 1080px) {
  .menu-btn { display: inline-flex; gap: 10px; align-items: center; }
  .nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: 8px var(--gutter) 20px;
  }
  .nav.open { display: flex; }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 1.0625rem; }
  .nav a[aria-current="page"] { box-shadow: none; }
  .nav .btn { margin: 16px 0 0; justify-content: center; border-bottom: 0; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font: 700 .9375rem/1 var(--f-display); font-stretch: 105%; letter-spacing: .01em;
  padding: 14px 20px; border-radius: var(--radius); text-decoration: none; cursor: pointer;
  border: 1px solid var(--ink); background: transparent; color: var(--ink);
  transition: background-color .15s, color .15s, border-color .15s;
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.btn-sm { padding: 11px 15px; font-size: .875rem; }
.btn .arrow { font-family: var(--f-mono); font-weight: 500; }
.link-arrow { font: 600 .9375rem/1.3 var(--f-display); color: var(--accent); text-decoration: none; display: inline-flex; gap: 8px; }
.link-arrow:hover { text-decoration: underline; }

/* ---------- sections ---------- */
.section { padding-block: clamp(64px, 9vw, 120px); border-top: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; margin-bottom: clamp(32px, 5vw, 56px); }
@media (min-width: 900px) {
  .section-head { grid-template-columns: 220px minmax(0, 1fr); gap: 32px; align-items: start; }
  .section-head .label { padding-top: .9em; }
}
.section-head h2 { max-width: 18ch; }
.section-head p.lede { margin-top: 16px; }

/* ---------- page hero (inner pages) ---------- */
.page-hero { padding-block: clamp(48px, 7vw, 96px) clamp(40px, 6vw, 72px); }
.page-hero .frame { display: grid; gap: 20px; }
.page-hero h1 { font-size: var(--s-4); max-width: 20ch; }
.crumbs { font: 500 .75rem/1 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); display: flex; gap: 10px; flex-wrap: wrap; }
.crumbs a { text-decoration: none; }
.crumbs span[aria-hidden] { color: var(--line); }

/* ---------- home hero ---------- */
.hero { padding-block: clamp(40px, 6vw, 80px) clamp(48px, 7vw, 96px); }
.hero-kicker { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; margin-bottom: 24px; }
.tag {
  display: inline-flex; align-items: center; gap: 8px; font: 500 .75rem/1 var(--f-mono); letter-spacing: .08em;
  text-transform: uppercase; padding: 7px 10px; border: 1px solid var(--ink); border-radius: var(--radius);
}
.tag-accent { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.hero h1 { max-width: 14ch; font-size: clamp(2.5rem, .9rem + 6.4vw, 6.5rem); line-height: .98; }
.hero h1 .amp { font-family: var(--f-body); font-style: italic; font-weight: 400; font-stretch: 100%; color: var(--accent); letter-spacing: 0; }
.hero-body { display: grid; gap: clamp(32px, 5vw, 64px); grid-template-columns: minmax(0, 1fr); margin-top: clamp(28px, 4vw, 48px); }
@media (min-width: 960px) { .hero-body { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); align-items: start; } }
.hero .lede { max-width: 40ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-note { margin-top: 18px; font: 500 .8125rem/1.5 var(--f-mono); color: var(--ink-2); }
.hero-note strong { color: var(--signal); font-weight: 600; }
.hero-facts { margin-top: clamp(40px, 6vw, 72px); }

/* elevation drawing */
.elevation { color: var(--ink); width: 100%; margin: 0; }
.elevation .elev-sm { display: none; }
@media (max-width: 700px) { .elevation .elev-lg { display: none; } .elevation .elev-sm { display: block; max-width: 420px; } }
.elevation svg { width: 100%; height: auto; overflow: visible; }
.elevation .thin { stroke: currentColor; stroke-width: 1; fill: none; }
.elevation .heavy { stroke: currentColor; stroke-width: 2.25; fill: none; }
.elevation .faint { stroke: var(--line); stroke-width: 1; fill: none; }
.elevation .glass { fill: var(--accent-soft); stroke: currentColor; stroke-width: .75; }
.elevation .slab { fill: var(--ink); }
.elevation .green { fill: var(--accent); }
.elevation text { font-family: var(--f-mono); font-size: 11.5px; fill: var(--ink); letter-spacing: .02em; }
.elevation text.dim { fill: var(--ink-2); font-size: 10.5px; letter-spacing: .08em; }
.elevation text.no { fill: var(--accent); font-weight: 600; }
.elevation .floor { animation: rise .6s cubic-bezier(.2, .7, .2, 1) both; }
.elevation .floor-label { animation: fade .5s ease-out both; }
@keyframes rise { from { opacity: .0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .elevation .floor, .elevation .floor-label { animation: none; }
}
.elevation figcaption { margin-top: 10px; font: 500 .6875rem/1.4 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* ---------- title block (fact table) ---------- */
.titleblock {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr));
  border: 1px solid var(--ink); background: var(--sheet);
}
.titleblock { overflow: hidden; }
.titleblock > div { padding: 14px 16px 16px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 0 -1px -1px 0; min-width: 0; }
.titleblock.tb-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 420px) { .titleblock.tb-2 { grid-template-columns: minmax(0, 1fr); } }
.titleblock dt { font: 500 .6875rem/1.2 var(--f-mono); letter-spacing: .09em; text-transform: uppercase; color: var(--ink-2); }
.titleblock dd { margin: 8px 0 0; font: 700 1.0625rem/1.3 var(--f-display); font-stretch: 104%; }
.titleblock dd small { display: block; font: 400 .875rem/1.4 var(--f-body); color: var(--ink-2); margin-top: 4px; font-stretch: 100%; }
.titleblock .em dd { color: var(--signal); }
dl { margin: 0; }

/* ---------- key dates ---------- */
.dates { list-style: none; display: grid; grid-template-columns: minmax(0, 1fr); border-top: 1px solid var(--ink); }
.date-row {
  display: grid; grid-template-columns: 7.5rem minmax(0, 1fr); gap: 4px 20px; align-items: baseline;
  padding: 18px 0; border-bottom: 1px solid var(--line); position: relative;
}
@media (min-width: 760px) { .date-row { grid-template-columns: 3rem 12rem minmax(0, 1fr) 9rem; } }
.date-row .idx { font: 500 .75rem/1 var(--f-mono); color: var(--ink-2); }
.date-row time { font: 700 1.125rem/1.2 var(--f-display); font-stretch: 106%; font-variant-numeric: tabular-nums; }
.date-row .what { min-width: 0; }
.date-row .what b { font: 600 1.0625rem/1.35 var(--f-display); display: block; }
.date-row .what span { color: var(--ink-2); font-size: .9375rem; }
.date-row .state { font: 500 .6875rem/1 var(--f-mono); letter-spacing: .09em; text-transform: uppercase; color: var(--ink-2); justify-self: start; }
@media (min-width: 760px) { .date-row .state { justify-self: end; } }
@media (max-width: 759px) { .date-row .idx { display: none; } .date-row .what, .date-row .state { grid-column: 2; } .date-row time { grid-row: 1 / span 3; } }
.date-row.is-next .state { color: var(--signal); }
.date-row.is-next time { color: var(--signal); }
.date-row.is-done { opacity: .62; }
.date-row.is-done .state { text-decoration: none; }
.date-row.is-event { background: var(--accent-soft); padding-inline: 12px; margin-inline: -12px; border-bottom-color: var(--accent); }
.date-row.is-event time { color: var(--accent); }
.dates-note { margin-top: 18px; font: 500 .8125rem/1.5 var(--f-mono); color: var(--ink-2); }

/* ---------- tracks (floors) ---------- */
.floors { list-style: none; border-top: 2px solid var(--ink); }
.floors li { border-bottom: 1px solid var(--line); }
.floors a, .floors .floor-row {
  display: grid; grid-template-columns: 3.25rem minmax(0, 1fr); gap: 4px 20px; padding: 20px 0;
  text-decoration: none; color: inherit; align-items: baseline;
}
@media (min-width: 900px) { .floors a, .floors .floor-row { grid-template-columns: 4rem minmax(0, 22rem) minmax(0, 1fr) 2rem; } }
.floors .lv { font: 600 .8125rem/1 var(--f-mono); color: var(--accent); letter-spacing: .06em; }
.floors h3 { font-size: var(--s-1); font-stretch: 104%; }
.floors p { color: var(--ink-2); font-size: .9875rem; grid-column: 2; }
@media (min-width: 900px) { .floors p { grid-column: 3; } }
.floors .go { font-family: var(--f-mono); color: var(--ink-2); justify-self: end; display: none; }
@media (min-width: 900px) { .floors .go { display: block; } }
.floors a:hover h3, .floors a:hover .go { color: var(--accent); }

/* ---------- process steps ---------- */
.steps { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); border-left: 1px solid var(--line); counter-reset: step; }
.steps li { padding: 4px 20px 8px; border-right: 1px solid var(--line); position: relative; min-width: 0; overflow-wrap: anywhere; }
.steps li::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  display: block; font: 500 .75rem/1 var(--f-mono); color: var(--accent); letter-spacing: .08em; margin-bottom: 14px;
  padding-bottom: 12px; border-bottom: 2px solid var(--ink);
}
.steps h3 { font-size: 1.125rem; margin-bottom: 8px; }
.steps p { font-size: .9375rem; color: var(--ink-2); }
@media (max-width: 640px) { .steps { border-left: 0; } .steps li { border-right: 0; padding-inline: 0; padding-bottom: 24px; } }

/* ---------- edition / publication ---------- */
.edition { display: grid; gap: clamp(28px, 5vw, 64px); grid-template-columns: minmax(0, 1fr); align-items: start; }
@media (min-width: 900px) { .edition { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); } }
.book {
  background: var(--sheet); border: 1px solid var(--line); padding: clamp(20px, 3vw, 36px);
  display: grid; place-items: center;
}
.book img { width: min(100%, 300px); }
.rev-table { width: 100%; border-collapse: collapse; margin-top: 28px; font-size: .9375rem; }
.rev-table th, .rev-table td { text-align: left; padding: 12px 12px 12px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.rev-table th { font: 500 .6875rem/1.2 var(--f-mono); letter-spacing: .09em; text-transform: uppercase; color: var(--ink-2); border-bottom: 1px solid var(--ink); }
.rev-table td:first-child { font-family: var(--f-mono); font-weight: 600; white-space: nowrap; }
.table-wrap { overflow-x: auto; }

/* ---------- prose / two-column content ---------- */
.split { display: grid; gap: 24px 48px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 900px) { .split { grid-template-columns: 220px minmax(0, 1fr); } }
.split > .label { padding-top: .35em; }
.prose { max-width: 68ch; }
.prose h3 { font-size: var(--s-1); margin: 1.8em 0 .6em; }
.prose h3:first-child { margin-top: 0; }
.prose ul, .prose ol { padding-left: 1.2em; }
.prose li { margin: .35em 0; }
.prose li::marker { color: var(--accent); }
.prose a { color: var(--accent); }
.spec { display: grid; grid-template-columns: minmax(0, 1fr); border-top: 1px solid var(--ink); }
.spec > div { display: grid; grid-template-columns: minmax(0, 11rem) minmax(0, 1fr); gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.spec dt { font: 500 .75rem/1.6 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2); }
.spec dd { margin: 0; }
@media (max-width: 520px) { .spec > div { grid-template-columns: minmax(0, 1fr); gap: 2px; } }

.cols { display: grid; gap: 0; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); border-top: 1px solid var(--ink); }
.cols > * { padding: 22px 24px 26px 0; border-bottom: 1px solid var(--line); min-width: 0; }
.cols h3 { margin-bottom: 8px; }
.cols p { color: var(--ink-2); font-size: .975rem; }

.notice {
  border: 1px solid var(--signal); border-left-width: 4px; padding: 16px 20px; background: var(--sheet);
  display: grid; gap: 6px; max-width: 72ch;
}
.notice .label { color: var(--signal); }

/* ---------- schedule ---------- */
.day { border-top: 2px solid var(--ink); }
.day + .day { margin-top: 56px; }
.day-head { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: baseline; justify-content: space-between; padding: 16px 0; }
.day-head h3 { font-size: var(--s-2); font-stretch: 108%; }
.slot { display: grid; grid-template-columns: 8.5rem minmax(0, 1fr); gap: 16px; padding: 14px 0; border-top: 1px solid var(--line); align-items: baseline; }
.slot time { font: 500 .875rem/1.4 var(--f-mono); font-variant-numeric: tabular-nums; color: var(--ink-2); }
.slot b { font: 600 1.0625rem/1.35 var(--f-display); }
.slot span { display: block; color: var(--ink-2); font-size: .9375rem; }
.slot.break b { font-weight: 500; color: var(--ink-2); }
.slot.key b { color: var(--accent); }
@media (max-width: 520px) { .slot { grid-template-columns: minmax(0, 1fr); gap: 2px; } }

/* ---------- people ---------- */
.people { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 270px), 1fr)); border-top: 1px solid var(--ink); }
.people li { display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 16px; padding: 22px 20px 22px 0; border-bottom: 1px solid var(--line); align-items: start; }
.people .ini {
  width: 52px; height: 52px; display: grid; place-items: center; border: 1px solid var(--ink);
  font: 600 .875rem/1 var(--f-mono); letter-spacing: .04em; background: var(--sheet);
}
.people b { font: 700 1.0625rem/1.3 var(--f-display); display: block; }
.people .role { font: 500 .75rem/1.4 var(--f-mono); letter-spacing: .05em; text-transform: uppercase; color: var(--accent); display: block; margin-top: 4px; }
.people .org { color: var(--ink-2); font-size: .9375rem; display: block; margin-top: 4px; }

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--ink); max-width: 880px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; display: grid; grid-template-columns: minmax(0, 1fr) 1.5rem; gap: 16px;
  padding: 20px 0; font: 600 1.125rem/1.35 var(--f-display);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 400 1.5rem/1 var(--f-mono); color: var(--accent); text-align: right; }
.faq details[open] summary::after { content: "\2212"; }
.faq summary:hover { color: var(--accent); }
.faq .a { padding: 0 2.5rem 22px 0; color: var(--ink-2); max-width: 70ch; }
.faq .a a { color: var(--accent); }

/* ---------- CTA band ---------- */
.cta-band { padding-block: clamp(56px, 8vw, 104px); }
.cta-band .frame { display: grid; gap: 28px; grid-template-columns: minmax(0, 1fr); align-items: end; }
@media (min-width: 900px) { .cta-band .frame { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); } }
.cta-band h2 { max-width: 16ch; }
.cta-band p { color: var(--ink-2); margin-top: 16px; max-width: 48ch; }
.cta-band .actions { display: flex; flex-wrap: wrap; gap: 12px; }
@media (min-width: 900px) { .cta-band .actions { justify-content: flex-end; } }

/* ---------- footer + sheet title block ---------- */
.site-footer { padding-block: 56px 32px; font-size: .9375rem; }
.foot-grid { display: grid; gap: 32px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); }
.foot-grid h4 { font: 500 .6875rem/1.2 var(--f-mono); letter-spacing: .09em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 14px; }
.foot-grid ul { list-style: none; display: grid; gap: 8px; }
.foot-grid a { text-decoration: none; }
.foot-grid a:hover { text-decoration: underline; }
.foot-grid p { color: var(--ink-2); }
.sheet {
  margin-top: 48px; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr));
  border: 1px solid var(--ink); font-family: var(--f-mono); font-size: .75rem;
}
.sheet { overflow: hidden; }
.sheet > div { padding: 10px 12px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 0 -1px -1px 0; min-width: 0; }
.sheet span { display: block; color: var(--ink-2); font-size: .625rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 4px; }
.sheet b { font-weight: 600; }
.legal p { margin: 0; }
.legal { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; color: var(--ink-2); font-size: .8125rem; }

/* ---------- misc ---------- */
.stack-lg > * + * { margin-top: clamp(40px, 6vw, 72px); }
.stack > * + * { margin-top: 20px; }
.copy-row { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; }
.cite {
  font: 400 .9375rem/1.6 var(--f-mono); background: var(--sheet); border: 1px solid var(--line); padding: 16px 18px;
  overflow-wrap: anywhere;
}
.mail { font: 600 1.0625rem/1.3 var(--f-mono); color: var(--accent); overflow-wrap: anywhere; }
.redirect { min-height: 50vh; display: grid; align-content: center; }
.floors .floor-topics { grid-column: 2; }
@media (min-width: 900px) { .floors .floor-topics { grid-column: 3 / -1; } }
.cmt-ack { margin-top: 16px; max-width: 90ch; color: var(--ink-2); font-size: .8125rem; }

/* hero: event status, pre-title, first-edition proof */
.status {
  display: inline-flex; align-items: center; gap: 10px; padding: 9px 14px;
  font: 700 .875rem/1 var(--f-display); font-stretch: 104%;
  border: 1px solid var(--accent); background: var(--accent-soft); color: var(--ink);
}
.status .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: pulse 2.2s ease-out infinite; }
.status.is-soon { border-color: var(--signal); }
.status.is-soon .dot { background: var(--signal); }
.status.is-closed { border-color: var(--line); background: var(--sheet); }
.status.is-closed .dot { background: var(--ink-2); animation: none; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 55%, transparent); } 70%, 100% { box-shadow: 0 0 0 8px transparent; } }
@media (prefers-reduced-motion: reduce) { .status .dot { animation: none; } }
.h1-pre {
  display: block; margin-bottom: .45em;
  font-size: clamp(1.125rem, .75rem + 1.3vw, 1.875rem); line-height: 1.2;
  font-weight: 600; font-stretch: 100%; letter-spacing: -.005em; color: var(--ink-2);
}
.proof { margin-top: 40px; padding-top: 18px; border-top: 1px solid var(--ink); max-width: 440px; }
.proof ul { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 14px 0 18px; }
.proof b { display: block; font: 800 clamp(2rem, 1.5rem + 1.6vw, 2.75rem)/1 var(--f-display); font-stretch: 110%; font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.proof li span { display: block; margin-top: 6px; font: 500 .75rem/1.2 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); }

/* Blueprint zones: header, home hero and closing band carry their own navy palette in every theme */
.bp {
  --paper: #0F2B3D; --paper-2: #133447; --sheet: #163A50; --ink: #EAF2F7; --ink-2: #A9C2D2;
  --line: #2F5670; --grid: rgba(234, 242, 247, .06); --accent: #7FD3B5; --accent-ink: #0F2B3D;
  --accent-soft: #1D4A50; --signal: #F5A26F;
  color-scheme: dark; color: var(--ink); background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
}
.util.bp { border-bottom-color: var(--line); }
.site-header.bp { background-color: color-mix(in srgb, var(--paper) 94%, transparent); background-image: none; }
.hero.bp { border-bottom: 1px solid var(--line); }
.hero.bp + .section { border-top: 0; }