/* ============================================================
   Железнодорожный путеводитель (milreview) — архивно-редакционная система
   Палитра: крем · тёмно-зелёный · терракота · тёплый near-black
   Типографика: Manrope (дисплей) · Golos Text (текст) · JetBrains Mono (метаданные)
   Источник: milreview_handoff/canon/styles.css (перенесён как есть)
   ============================================================ */

:root {
  /* paper / ink */
  --paper:        #f6f3ec;
  --paper-card:   #fcfbf7;
  --paper-sunk:   #ece8df;
  --paper-rail:   #f1ede4;
  --ink:          #221f18;
  --ink-2:        #4d4840;
  --ink-3:        #847c6d;
  --ink-4:        #a59c8c;

  /* brand */
  --green:        #1f3d2b;
  --green-2:      #2c5840;
  --green-ink:    #16301f;
  --terra:        #b5552f;
  --terra-2:      #98421f;
  --terra-tint:   #f0e3d6;
  --gold:         #9c7a3c;

  /* lines */
  --line:         rgba(34,31,24,0.12);
  --line-2:       rgba(34,31,24,0.22);
  --line-green:   rgba(31,61,43,0.18);

  /* type */
  --f-display: "Manrope", system-ui, sans-serif;
  --f-body:    "Golos Text", system-ui, sans-serif;
  --f-mono:    "JetBrains Mono", ui-monospace, monospace;

  --wrap: 1200px;
  --gut: clamp(18px, 4vw, 56px);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--f-body);
  background: var(--paper);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.62;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  /* faint paper tone */
  background-image:
    radial-gradient(circle at 18% 12%, rgba(31,61,43,0.025), transparent 60%),
    radial-gradient(circle at 92% 8%, rgba(181,85,47,0.022), transparent 55%);
}

img { max-width: 100%; display: block; }
a { color: var(--terra-2); text-decoration: none; }
a:hover { color: var(--terra); }

.wrap { max-width: var(--wrap); margin: 0 auto; padding-inline: var(--gut); }
.wrap-narrow { max-width: 880px; margin: 0 auto; padding-inline: var(--gut); }

/* ---------- text helpers ---------- */
.eyebrow {
  font-family: var(--f-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--terra-2);
}
.eyebrow.green { color: var(--green-2); }
.mono { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }
.dim { color: var(--ink-3); }

h1,h2,h3,h4 { font-family: var(--f-display); font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; color: var(--ink); margin: 0; text-wrap: balance; }

.display {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(30px, 5.2vw, 52px);
  line-height: 1.02;
  letter-spacing: -0.02em;
}

.lede { font-size: clamp(18px, 2.2vw, 21px); line-height: 1.55; color: var(--ink-2); text-wrap: pretty; }

/* ============================================================
   TOP STRIP
   ============================================================ */
.topbar {
  background: var(--paper-sunk);
  color: var(--ink-3);
  border-bottom: 1px solid var(--line);
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 34px; }
.topbar .wrap > span { white-space: nowrap; }
.topbar a { color: var(--ink-2); }
.topbar a:hover { color: var(--terra-2); }
.topbar .tb-meta { display: flex; gap: 18px; align-items: center; }
.topbar .tb-dot { color: var(--terra); }

/* ============================================================
   MASTHEAD
   ============================================================ */
.masthead { padding: clamp(26px, 5vw, 50px) 0 clamp(20px, 3vw, 30px); }
.masthead .wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(18px, 4vw, 40px);
}
.mh-rule { flex: 1 1 0; max-width: 130px; height: 1px; background: var(--line-2); }
.seal {
  width: clamp(54px, 8vw, 76px);
  height: clamp(54px, 8vw, 76px);
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  position: relative;
}
.seal svg { width: 56%; height: 56%; }
.seal--terra { background: var(--terra); color: var(--paper-card); box-shadow: inset 0 0 0 2px rgba(255,255,255,0.25), inset 0 0 0 6px var(--terra); }
.seal--green { background: var(--green); color: var(--paper-card); box-shadow: inset 0 0 0 2px rgba(255,255,255,0.22), inset 0 0 0 6px var(--green); }
.seal .seal-ring { position: absolute; inset: 4px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.35); }

.masthead .title-col { text-align: center; }
.masthead .title-eyebrow { margin-bottom: 10px; }
.wordmark {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(26px, 5.4vw, 50px);
  line-height: 0.96;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--green-ink);
}
.masthead .tagline {
  font-family: var(--f-body);
  font-size: clamp(12.5px, 1.5vw, 15px);
  color: var(--ink-3);
  margin-top: 12px;
  letter-spacing: 0.01em;
}

/* ============================================================
   MAIN NAV (sticky)
   ============================================================ */
.mainnav {
  position: sticky; top: 0; z-index: 50;
  background: var(--paper-card);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line-2);
}
.mainnav .wrap { display: flex; align-items: stretch; gap: 0; min-height: 50px; }
.mainnav .nav-links { display: flex; align-items: stretch; flex: 1; gap: 0; overflow-x: auto; scrollbar-width: none; }
.mainnav .nav-links::-webkit-scrollbar { display: none; }
.navlink {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 0 clamp(14px, 2vw, 22px);
  font-family: var(--f-body);
  font-size: 14px; font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ink-2);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: background .15s, color .15s, border-color .15s;
}
.navlink:hover { color: var(--green-ink); background: var(--paper-sunk); }
.navlink.active { color: var(--green-ink); border-bottom-color: var(--terra); }
.navlink .nl-num { font-family: var(--f-mono); font-size: 10.5px; color: var(--terra-2); }
.nav-search {
  display: flex; align-items: center; gap: 8px;
  padding-inline: 16px;
  border-left: 1px solid var(--line);
  color: var(--ink-3);
}
.nav-search input {
  background: transparent; border: none; outline: none;
  color: var(--ink); font-family: var(--f-body); font-size: 13px;
  width: clamp(80px, 14vw, 160px);
}
.nav-search input::placeholder { color: var(--ink-4); }

/* ============================================================
   RULES & ORNAMENTS
   ============================================================ */
.rule { height: 1px; background: var(--line-2); border: 0; margin: 0; }
.rule-star {
  display: flex; align-items: center; gap: 16px; margin: clamp(34px,6vw,56px) 0;
  color: var(--ink-4);
}
.rule-star::before, .rule-star::after { content: ""; flex: 1; height: 1px; background: var(--line-2); }
.rule-star svg { width: 16px; height: 16px; color: var(--terra); }

.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: clamp(22px, 3vw, 34px); flex-wrap: wrap; }
.section-head h2 { font-size: clamp(24px, 3.4vw, 36px); }
.section-head .sh-meta { font-family: var(--f-mono); font-size: 12px; color: var(--ink-3); letter-spacing: 0.02em; }

/* ============================================================
   HERO / WELCOME
   ============================================================ */
.hero { padding: clamp(26px, 4vw, 46px) 0; }
.hero .wrap { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(28px, 5vw, 64px); align-items: start; }
.hero h1 { font-size: clamp(28px, 4.2vw, 46px); margin-bottom: 18px; }
.hero .welcome p { margin: 0 0 16px; color: var(--ink-2); }
.hero .welcome p strong { color: var(--ink); font-weight: 600; }
.about-card {
  margin-top: 26px;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--terra);
  padding: clamp(18px, 2.5vw, 26px);
}
.about-card h3 { font-size: 20px; margin-bottom: 8px; color: var(--green-ink); }
.about-card p { margin: 0 0 14px; color: var(--ink-2); font-size: 16px; }
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--f-body); font-size: 14px; font-weight: 600;
  letter-spacing: 0.01em;
  padding: 11px 18px;
  border-radius: 2px;
  transition: background .15s, color .15s, transform .15s;
  cursor: pointer; border: 1px solid transparent;
}
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-2); color: #fff; }
.btn-ghost { background: transparent; color: var(--green-ink); border-color: var(--line-2); }
.btn-ghost:hover { background: var(--paper-sunk); color: var(--green-ink); }
.btn svg { width: 15px; height: 15px; }

/* photo plate */
.plate { background: var(--paper-card); border: 1px solid var(--line); padding: 8px; }
.plate .plate-img { position: relative; background: var(--paper-sunk); overflow: hidden; }
.plate .plate-img img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; }
.plate .ph {
  aspect-ratio: 4 / 3; width: 100%;
  display: grid; place-items: center;
  background-color: var(--paper-sunk);
  background-image: repeating-linear-gradient(135deg, rgba(34,31,24,0.05) 0 2px, transparent 2px 11px);
  color: var(--ink-3); font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.04em; text-align: center; padding: 20px;
}
.plate .caption { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 12px 8px 6px; font-size: 14px; color: var(--ink-2); }
.plate .caption .cap-date { font-family: var(--f-mono); font-size: 11.5px; color: var(--ink-3); white-space: nowrap; }
sup.fn a { font-family: var(--f-mono); font-size: 0.7em; color: var(--terra-2); padding-left: 1px; }

/* stat strip */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: clamp(30px,4vw,44px); }
.stats .stat { background: var(--paper); padding: 18px clamp(12px,2vw,22px); }
.stats .stat .num { font-family: var(--f-display); font-weight: 600; font-size: clamp(26px, 3.2vw, 38px); color: var(--green-ink); line-height: 1; }
.stats .stat .lbl { font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); margin-top: 8px; }

/* on-this-day block */
.onthisday { margin-top: clamp(22px,3vw,30px); border: 1px solid var(--line); border-top: 3px solid var(--green); background: var(--paper-card); padding: clamp(16px,2.2vw,22px); }
.onthisday .otd-head { font-family: var(--f-display); font-weight: 700; font-size: 16px; color: var(--green-ink); margin-bottom: 10px; letter-spacing: -0.01em; }
.onthisday .otd-head .otd-date { color: var(--terra-2); }
.onthisday p { margin: 0; font-size: 14px; line-height: 1.55; color: var(--ink-2); }
.onthisday .otd-y { color: var(--terra-2); font-weight: 500; margin-right: 6px; }

/* ============================================================
   CHRONICLE (news)
   ============================================================ */
.chron-section { background: var(--paper-rail); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: clamp(34px,5vw,60px) 0; }

.filters { display: flex; flex-wrap: wrap; gap: 10px 8px; align-items: center; margin-bottom: 26px; }
.filters .fl-label { font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); margin-right: 4px; }
.chip {
  font-family: var(--f-body); font-size: 13px; font-weight: 500;
  padding: 7px 13px; border-radius: 2px; cursor: pointer;
  background: var(--paper-card); color: var(--ink-2);
  border: 1px solid var(--line-2);
  transition: all .14s; white-space: nowrap;
}
.chip:hover { border-color: var(--green-2); color: var(--green-ink); }
.chip.active { background: var(--green); color: #fff; border-color: var(--green); }
.fl-select {
  font-family: var(--f-body); font-size: 13px; font-weight: 500;
  padding: 7px 30px 7px 13px; border-radius: 2px; cursor: pointer;
  background: var(--paper-card) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='7' viewBox='0 0 10 7'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23847c6d' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 11px center;
  color: var(--ink); border: 1px solid var(--line-2); appearance: none; -webkit-appearance: none;
}

.chron { border-top: 1px solid var(--line-2); }
.chron-row {
  display: grid;
  grid-template-columns: 116px 1fr;
  gap: clamp(14px, 3vw, 32px);
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.chron-row .c-date { font-family: var(--f-mono); font-size: 13px; color: var(--ink-3); letter-spacing: 0.01em; padding-top: 2px; }
.chron-row .c-date .c-year { display: block; font-size: 11px; color: var(--ink-4); margin-top: 2px; }
.chron-row .c-body { font-size: 15.5px; line-height: 1.55; color: var(--ink); }
.chron-row .c-body .c-tag {
  display: inline-block; font-family: var(--f-mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 2px 7px; border-radius: 2px; margin-right: 8px; vertical-align: 2px;
  border: 1px solid var(--line-2); color: var(--ink-3); background: var(--paper-card);
}
.c-tag.t-doc    { color: var(--green-2); border-color: var(--line-green); }
.c-tag.t-troops { color: var(--terra-2); border-color: rgba(152,66,31,0.3); background: var(--terra-tint); }
.c-tag.t-class  { color: var(--ink-2); }
.c-tag.t-card   { color: var(--gold); border-color: rgba(156,122,60,0.35); }
.c-tag.t-study  { color: var(--green-2); }
.c-tag.t-event  { color: var(--terra-2); }
.chron-row.is-feature { background: var(--paper-card); margin: 0 calc(-1 * clamp(8px,2vw,18px)); padding-inline: clamp(8px,2vw,18px); border-left: 3px solid var(--terra); border-bottom: 1px solid var(--line); }
.chron-row.is-holiday .c-body { font-weight: 600; color: var(--green-ink); }
.chron-empty { padding: 40px 0; text-align: center; color: var(--ink-3); font-family: var(--f-mono); font-size: 13px; }

.archive-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.archive-links a {
  font-family: var(--f-mono); font-size: 12.5px; letter-spacing: 0.02em;
  padding: 8px 14px; border: 1px solid var(--line-2); border-radius: 2px;
  color: var(--ink-2); background: var(--paper-card); transition: all .14s;
}
.archive-links a:hover { border-color: var(--terra); color: var(--terra-2); }

/* ============================================================
   INDEX CARDS (contents)
   ============================================================ */
.idx-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.idx-card {
  background: var(--paper-card); padding: clamp(20px,2.5vw,28px);
  display: flex; flex-direction: column; gap: 12px; min-height: 200px;
  transition: background .15s; color: var(--ink);
}
.idx-card:hover { background: var(--paper); color: var(--ink); }
.idx-card .ic-num { font-family: var(--f-mono); font-size: 12px; color: var(--terra-2); letter-spacing: 0.06em; }
.idx-card h3 { font-size: 22px; color: var(--green-ink); }
.idx-card p { margin: 0; font-size: 14.5px; color: var(--ink-2); line-height: 1.5; flex: 1; }
.idx-card .ic-go { font-family: var(--f-mono); font-size: 12px; color: var(--terra-2); display: inline-flex; align-items: center; gap: 6px; }
.idx-card:hover .ic-go { gap: 10px; }

/* ============================================================
   SOURCES / FOOTNOTES
   ============================================================ */
.notes { font-size: 14px; color: var(--ink-2); }
.notes ol { margin: 0; padding: 0; list-style: none; counter-reset: fn; }
.notes li { position: relative; padding: 8px 0 8px 34px; border-bottom: 1px dotted var(--line-2); counter-increment: fn; }
.notes li::before { content: "[" counter(fn) "]"; position: absolute; left: 0; top: 8px; font-family: var(--f-mono); font-size: 12px; color: var(--terra-2); }

/* ============================================================
   GENERIC CONTENT PAGES (docs / research / events / station)
   ============================================================ */
.page-head { background: transparent; color: var(--ink); padding: clamp(26px,4vw,48px) 0; border-bottom: 1px solid var(--line); position: relative; }
.page-head .wrap { border-left: 3px solid var(--terra); padding-left: clamp(16px, 3vw, 28px); }
.page-head .eyebrow { color: var(--terra-2); }
.page-head h1 { color: var(--ink); font-size: clamp(28px,4.4vw,48px); margin: 12px 0 0; }
.page-head .ph-sub { color: var(--ink-2); margin-top: 14px; max-width: 62ch; font-size: 16px; }
.breadcrumb { font-family: var(--f-mono); font-size: 11.5px; letter-spacing: 0.04em; color: var(--ink-3); }
.breadcrumb a { color: var(--ink-2); }
.breadcrumb a:hover { color: var(--terra-2); }

.content { padding: clamp(34px,5vw,60px) 0; }
.content p { margin: 0 0 18px; color: var(--ink-2); }
.content h3 { font-size: 24px; margin: 36px 0 14px; color: var(--green-ink); }
.content h3:first-child { margin-top: 0; }

/* table (docs / station details) */
.tbl { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.tbl caption { text-align: left; font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); padding-bottom: 12px; }
.tbl th, .tbl td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl thead th { font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); font-weight: 500; border-bottom: 1px solid var(--line-2); background: var(--paper-rail); }
.tbl tbody tr:hover { background: var(--paper-card); }
.tbl td.mono, .tbl th.mono { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }
.tbl .doc-num { color: var(--terra-2); font-family: var(--f-mono); }
.tbl .badge { font-family: var(--f-mono); font-size: 10.5px; padding: 2px 7px; border: 1px solid var(--line-2); border-radius: 2px; color: var(--ink-3); }

/* spec / definition list */
.spec { display: grid; grid-template-columns: 200px 1fr; border: 1px solid var(--line); }
.spec > div { padding: 13px 18px; border-bottom: 1px solid var(--line); }
.spec .sp-k { font-family: var(--f-mono); font-size: 11.5px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-3); background: var(--paper-rail); border-right: 1px solid var(--line); }
.spec .sp-v { color: var(--ink); font-size: 15px; }
.spec > div:nth-last-child(-n+2) { border-bottom: 0; }

/* map page */
.map-frame { border: 1px solid var(--line-2); background: var(--paper-card); padding: 10px; }
.map-canvas {
  aspect-ratio: 16 / 9; width: 100%;
  background-color: var(--paper-sunk);
  background-image:
    linear-gradient(rgba(31,61,43,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31,61,43,0.08) 1px, transparent 1px);
  background-size: 44px 44px;
  position: relative; display: grid; place-items: center;
  color: var(--ink-3); font-family: var(--f-mono); font-size: 13px; text-align: center;
}
.map-legend { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 18px; font-size: 13px; color: var(--ink-2); }
.map-legend .lg { display: inline-flex; align-items: center; gap: 8px; }
.map-legend .sw { width: 22px; height: 4px; border-radius: 2px; }

/* events / research list */
.entry-list { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--line-2); }
.entry { display: grid; grid-template-columns: 132px 1fr auto; gap: clamp(14px,2.5vw,28px); padding: 22px 0; border-bottom: 1px solid var(--line); align-items: start; }
.entry .e-date { font-family: var(--f-mono); font-size: 12.5px; color: var(--ink-3); padding-top: 4px; }
.entry h3 { font-size: 20px; margin: 0 0 8px; }
.entry h3 a { color: var(--green-ink); }
.entry h3 a:hover { color: var(--terra-2); }
.entry p { margin: 0; font-size: 14.5px; color: var(--ink-2); }
.entry .e-meta { font-family: var(--f-mono); font-size: 11px; color: var(--ink-4); white-space: nowrap; padding-top: 5px; }

/* station directory (railmap) */
.road-cols { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.road-col { background: var(--paper-card); padding: clamp(18px,2.2vw,26px); }
.road-col-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding-bottom: 12px; margin-bottom: 8px; border-bottom: 1px solid var(--line-2); flex-wrap: wrap; }
.road-col-head h3 { font-size: 19px; color: var(--green-ink); }
.road-col-head span { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: 0.03em; color: var(--ink-4); text-transform: uppercase; }
.st-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 3px 18px; }
.st-list li { break-inside: avoid; min-width: 0; }
.st-list a { display: flex; gap: 8px; align-items: baseline; padding: 6px 6px; border-radius: 2px; color: var(--ink); transition: background .12s, color .12s; min-width: 0; }
.st-list a:hover { background: var(--paper-sunk); color: var(--terra-2); }
.st-kind { font-family: var(--f-mono); font-size: 10px; color: var(--ink-4); flex: 0 0 auto; min-width: 26px; }
.st-name { font-size: 14.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; flex: 1 1 auto; }

@media (max-width: 920px){ .road-cols { grid-template-columns: 1fr; } }
@media (max-width: 480px){ .st-list { grid-template-columns: 1fr; } }

/* signaling demo */
.sig-demo { display: grid; grid-template-columns: 220px 1fr; gap: clamp(24px,4vw,52px); align-items: center; background: var(--paper-card); border: 1px solid var(--line); padding: clamp(24px,3.5vw,40px); }
.sig-stage { display: grid; place-items: center; background: var(--paper-sunk); border: 1px solid var(--line); padding: 18px; align-self: stretch; }
.sig-signal { height: clamp(220px, 30vw, 300px); width: auto; }
.lamp { transition: fill .2s, filter .2s; }
.lamp.blink { animation: lampblink 0.9s steps(1) infinite; }
@keyframes lampblink { 50% { fill: #2a2620 !important; filter: none !important; } }
.sig-info h3 { font-size: clamp(24px,3vw,32px); color: var(--green-ink); margin: 8px 0 12px; }
.sig-info p { font-size: 16px; color: var(--ink-2); margin: 0 0 18px; max-width: 52ch; }
.sig-controls { display: flex; flex-wrap: wrap; gap: 8px; }
.sig-grid { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 920px){ .sig-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 640px){ .sig-demo { grid-template-columns: 1fr; justify-items: center; text-align: center; } .sig-info p { text-align: left; } .sig-controls { justify-content: center; } .sig-grid { grid-template-columns: 1fr; } }

/* report feature */
.report-feature { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(24px,4vw,48px); align-items: center; }
.report-feature .plate-img .ph { aspect-ratio: 4/3; }
@media (max-width: 760px){ .report-feature { grid-template-columns: 1fr; } }

/* station card */
.station-grid { display: grid; grid-template-columns: 1fr 320px; gap: clamp(28px,4vw,52px); align-items: start; }
.photo-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.ph-thumb { margin: 0; background: var(--paper-card); border: 1px solid var(--line); padding: 6px; }
.ph-thumb img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; }
.ph-thumb.empty { display: grid; place-items: center; aspect-ratio: 4/3; background-color: var(--paper-sunk); background-image: repeating-linear-gradient(135deg, rgba(34,31,24,0.05) 0 2px, transparent 2px 11px); }
.ph-thumb.empty span { font-family: var(--f-mono); font-size: 11px; color: var(--ink-4); }
#st-history p { margin: 0 0 14px; color: var(--ink-2); }
.neighbor { margin-top: 20px; border: 1px solid var(--line); background: var(--paper-card); padding: 14px 16px; }
.nb-row { display: flex; align-items: center; gap: 12px; }
.nb-arrow { font-family: var(--f-mono); color: var(--terra-2); font-size: 18px; }
.nb-lbl { font-family: var(--f-mono); font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-4); }
.nb-name { font-weight: 600; color: var(--green-ink); font-size: 15px; }
.doc-mini { list-style: none; margin: 0; padding: 0; }
.doc-mini li { border-bottom: 1px dotted var(--line-2); }
.doc-mini a { display: flex; align-items: baseline; gap: 8px; padding: 9px 4px; color: var(--ink); transition: background .12s; }
.doc-mini a:hover { background: var(--paper-sunk); }
.doc-mini .dm-num { font-family: var(--f-mono); color: var(--terra-2); font-size: 13px; }
.doc-mini .dm-org { font-size: 13px; color: var(--ink-2); flex: 1; }
.doc-mini .dm-date { font-size: 11px; color: var(--ink-4); }
.doc-mini .dm-empty { padding: 9px 4px; font-family: var(--f-mono); font-size: 12px; color: var(--ink-4); }
@media (max-width: 860px){ .station-grid { grid-template-columns: 1fr; } }
@media (max-width: 480px){ .photo-row { grid-template-columns: 1fr 1fr; } }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--green-ink); color: rgba(255,255,255,0.72); padding: clamp(36px,5vw,56px) 0 28px; margin-top: 0; }
.footer .wrap { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: clamp(24px,4vw,48px); }
.footer h4 { color: #fff; font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 500; margin-bottom: 16px; }
.footer .f-word { font-family: var(--f-display); font-weight: 600; font-size: 22px; color: #fff; text-transform: uppercase; letter-spacing: -0.01em; margin-bottom: 12px; }
.footer p { font-size: 14px; line-height: 1.55; margin: 0 0 12px; color: rgba(255,255,255,0.6); }
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin-bottom: 9px; }
.footer a { color: rgba(255,255,255,0.72); font-size: 14px; }
.footer a:hover { color: #fff; }
.footer .counter { display: inline-flex; align-items: center; gap: 10px; border: 1px solid rgba(255,255,255,0.15); border-radius: 2px; padding: 8px 12px; font-family: var(--f-mono); font-size: 11px; color: rgba(255,255,255,0.6); margin-top: 6px; }
.footer .counter .ct-num { color: var(--terra); font-weight: 500; }
.footer-base { border-top: 1px solid rgba(255,255,255,0.1); margin-top: clamp(30px,4vw,44px); padding-top: 22px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-family: var(--f-mono); font-size: 11px; color: rgba(255,255,255,0.45); letter-spacing: 0.03em; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 920px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero .plate { max-width: 460px; }
  .idx-grid { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer .wrap { grid-template-columns: 1fr 1fr; }
  .spec { grid-template-columns: 140px 1fr; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .masthead .wrap { grid-template-columns: 1fr; justify-items: center; text-align: center; gap: 16px; }
  .masthead .mh-rule { display: none; }
  .hero h1 { font-size: clamp(26px, 7vw, 34px); }
  .chron-row { grid-template-columns: 1fr; gap: 5px; }
  .chron-row .c-date { font-size: 12px; color: var(--terra-2); }
  .chron-row .c-date .c-year { display: inline; margin-left: 6px; }
  .entry { grid-template-columns: 1fr; gap: 6px; }
  .entry .e-meta { display: none; }
  .idx-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .footer .wrap { grid-template-columns: 1fr; }
  .spec { grid-template-columns: 1fr; }
  .spec .sp-k { border-right: 0; border-bottom: 0; padding-bottom: 2px; }
  .nav-search { display: none; }
  .tbl thead { display: none; }
  .tbl tbody td { display: block; border: 0; padding: 3px 0; }
  .tbl tbody tr { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .tbl tbody td::before { content: attr(data-l); font-family: var(--f-mono); font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-4); display: block; }
}