/* Bunker Wars — play.bunkerwars.ru
   Palette: reinforced concrete, rust, signal amber, emergency red. */

:root {
  --concrete-900: #0e1012;
  --concrete-800: #16191c;
  --concrete-700: #1e2226;
  --concrete-600: #282d33;
  --concrete-500: #3a4048;
  --concrete-400: #565d67;
  --dust: #9aa2ac;
  --paper: #d9dde2;
  --chalk: #f2f4f6;
  --amber: #f0a422;
  --amber-dim: #a8741a;
  --rust: #b4552c;
  --emergency: #d6483b;
  --moss: #6f8f4a;

  --stencil: "DejaVu Sans Mono", "Liberation Mono", "Courier New", monospace;
  --body: "DejaVu Sans", "Liberation Sans", system-ui, sans-serif;

  --rule: 1px solid var(--concrete-600);
  --gutter: clamp(1.1rem, 4vw, 2.6rem);
  --measure: 72ch;
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background-color: var(--concrete-900);
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,.014) 0 1px, transparent 1px 4px),
    radial-gradient(ellipse 90% 60% at 50% -10%, rgba(240,164,34,.10), transparent 70%);
  color: var(--paper);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
}

/* ---------- shell ---------- */

.shell {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--amber);
  color: var(--concrete-900);
  padding: .6rem 1rem;
  font-family: var(--stencil);
  z-index: 20;
}
.skip:focus { left: 0; }

/* ---------- hazard tape ---------- */

.tape {
  height: 10px;
  background-image: repeating-linear-gradient(
    -45deg,
    var(--amber) 0 14px,
    var(--concrete-900) 14px 28px
  );
  opacity: .78;
}
.tape-thin { height: 5px; opacity: .5; }

/* ---------- masthead ---------- */

.masthead {
  border-bottom: var(--rule);
  background: linear-gradient(180deg, var(--concrete-800), var(--concrete-900));
}

.masthead-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 2rem;
  padding-top: 1.15rem;
  padding-bottom: 1.15rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
  color: var(--chalk);
  margin-right: auto;
}

.brand-mark { width: 38px; height: 38px; flex: none; }

.brand-text { display: flex; flex-direction: column; line-height: 1.15; }

.brand-name {
  font-family: var(--stencil);
  font-weight: 700;
  font-size: 1.16rem;
  letter-spacing: .19em;
  text-transform: uppercase;
}

.brand-sub {
  font-family: var(--stencil);
  font-size: .66rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--amber-dim);
}

.nav { display: flex; flex-wrap: wrap; gap: .35rem; }

.nav a {
  display: block;
  padding: .42rem .85rem;
  font-family: var(--stencil);
  font-size: .78rem;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--dust);
  text-decoration: none;
  border: 1px solid transparent;
}
.nav a:hover { color: var(--amber); border-color: var(--concrete-500); }
.nav a[aria-current="page"] {
  color: var(--concrete-900);
  background: var(--amber);
  border-color: var(--amber);
}

/* ---------- hero ---------- */

.hero { padding: clamp(2.4rem, 7vw, 4.6rem) 0 clamp(2rem, 5vw, 3.2rem); }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(1.6rem, 4vw, 3.2rem);
  align-items: center;
}

.eyebrow {
  font-family: var(--stencil);
  font-size: .72rem;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 1rem;
}

.hero h1 {
  font-family: var(--stencil);
  font-weight: 700;
  font-size: clamp(2.1rem, 6.2vw, 3.7rem);
  line-height: 1.02;
  letter-spacing: -.005em;
  text-transform: uppercase;
  color: var(--chalk);
  margin: 0 0 1.1rem;
}
.hero h1 span { display: block; color: var(--amber); }

.lede { font-size: 1.09rem; max-width: 46ch; margin: 0 0 .9rem; }
.lede-en { color: var(--dust); font-size: .97rem; max-width: 50ch; margin: 0 0 1.7rem; }

.cta-row { display: flex; flex-wrap: wrap; gap: .7rem; align-items: center; }

.btn {
  display: inline-block;
  padding: .72rem 1.5rem;
  font-family: var(--stencil);
  font-size: .82rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--amber);
  color: var(--amber);
}
.btn:hover { background: var(--amber); color: var(--concrete-900); }
.btn-solid { background: var(--amber); color: var(--concrete-900); }
.btn-solid:hover { background: var(--chalk); border-color: var(--chalk); }

.hero-figure { margin: 0; }
.hero-figure svg { width: 100%; height: auto; display: block; }

/* ---------- status strip ---------- */

.status {
  border-top: var(--rule);
  border-bottom: var(--rule);
  background: var(--concrete-800);
}

.status-list {
  list-style: none;
  margin: 0;
  padding: 1.05rem 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.status-list dt, .status-key {
  font-family: var(--stencil);
  font-size: .66rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--concrete-400);
}

.status-val {
  font-family: var(--stencil);
  font-size: 1.02rem;
  color: var(--chalk);
  letter-spacing: .04em;
}
.status-val.on { color: var(--moss); }
.status-val.warn { color: var(--amber); }

/* ---------- generic section ---------- */

.section { padding: clamp(2.6rem, 7vw, 4.4rem) 0; }
.section + .section { border-top: var(--rule); }

.section-head { margin-bottom: 2.1rem; max-width: var(--measure); }

.section-head h2 {
  font-family: var(--stencil);
  font-size: clamp(1.35rem, 3.4vw, 1.95rem);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--chalk);
  margin: 0 0 .5rem;
  padding-left: .9rem;
  border-left: 4px solid var(--amber);
}

.section-head h2 .num {
  color: var(--concrete-400);
  font-size: .62em;
  letter-spacing: .2em;
  margin-right: .6rem;
}

.section-head p { margin: 0 0 .4rem; }
.en { color: var(--dust); font-size: .94rem; }
[lang="en"] { color: var(--dust); }

/* ---------- levels (bunker depth) ---------- */

.levels { list-style: none; margin: 0; padding: 0; }

.level {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr);
  gap: 0 1.6rem;
  padding: 1.5rem 0;
  border-top: 1px dashed var(--concrete-600);
}
.level:last-child { border-bottom: 1px dashed var(--concrete-600); }

.level-depth {
  font-family: var(--stencil);
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--amber-dim);
  padding-top: .25rem;
  border-right: 2px solid var(--concrete-600);
}
.level-depth strong {
  display: block;
  font-size: 1.55rem;
  letter-spacing: 0;
  color: var(--amber);
  line-height: 1;
}

.level h3 {
  font-family: var(--stencil);
  font-size: 1.02rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--chalk);
  margin: 0 0 .45rem;
}
.level p { margin: 0 0 .45rem; max-width: var(--measure); }

/* ---------- gallery ---------- */

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.5rem;
}

.shot {
  margin: 0;
  border: var(--rule);
  background: var(--concrete-800);
}
.shot svg { width: 100%; height: auto; display: block; }

.shot figcaption {
  padding: .8rem 1rem 1rem;
  border-top: var(--rule);
}

.shot-title {
  display: block;
  font-family: var(--stencil);
  font-size: .74rem;
  letter-spacing: .17em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: .3rem;
}
.shot-note { display: block; font-size: .9rem; }
.shot-note-en { display: block; font-size: .84rem; color: var(--concrete-400); }

/* ---------- roadmap ---------- */

.roadmap { list-style: none; margin: 0; padding: 0; }

.phase {
  display: grid;
  grid-template-columns: 1.6rem minmax(0, 1fr);
  gap: 0 1.4rem;
  padding-bottom: 2rem;
}

.phase-pip { position: relative; }
.phase-pip::before {
  content: "";
  position: absolute;
  left: 50%;
  top: .55rem;
  width: 13px;
  height: 13px;
  margin-left: -6.5px;
  border: 2px solid var(--concrete-400);
  background: var(--concrete-900);
}
.phase-pip::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 1.6rem;
  bottom: -.6rem;
  width: 2px;
  margin-left: -1px;
  background: var(--concrete-600);
}
.phase:last-child .phase-pip::after { display: none; }

.phase-done .phase-pip::before { background: var(--moss); border-color: var(--moss); }
.phase-now .phase-pip::before { background: var(--amber); border-color: var(--amber); }

.phase h3 {
  font-family: var(--stencil);
  font-size: .96rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--chalk);
  margin: 0 0 .2rem;
}

.phase-when {
  font-family: var(--stencil);
  font-size: .68rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--concrete-400);
  display: block;
  margin-bottom: .55rem;
}
.phase-done .phase-when { color: var(--moss); }
.phase-now .phase-when { color: var(--amber); }

.phase p { margin: 0 0 .4rem; max-width: var(--measure); }

.phase ul { margin: .3rem 0 0; padding-left: 1.1rem; color: var(--dust); font-size: .93rem; }
.phase li { margin-bottom: .2rem; }

/* ---------- specs table ---------- */

.table-wrap { overflow-x: auto; }

table.specs {
  border-collapse: collapse;
  width: 100%;
  min-width: 480px;
  font-size: .94rem;
}
table.specs caption {
  text-align: left;
  font-family: var(--stencil);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--concrete-400);
  padding-bottom: .7rem;
}
table.specs th, table.specs td {
  text-align: left;
  padding: .6rem .9rem .6rem 0;
  border-bottom: 1px solid var(--concrete-700);
  vertical-align: top;
}
table.specs th {
  font-family: var(--stencil);
  font-size: .72rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--amber-dim);
  white-space: nowrap;
  width: 13rem;
}

/* ---------- contact cards ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.2rem;
}

.card {
  border: var(--rule);
  border-top: 3px solid var(--rust);
  background: var(--concrete-800);
  padding: 1.3rem 1.4rem;
}
.card h3 {
  font-family: var(--stencil);
  font-size: .8rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--chalk);
  margin: 0 0 .55rem;
}
.card p { margin: 0 0 .4rem; font-size: .95rem; }
.card a { color: var(--amber); }
.card a:hover { color: var(--chalk); }

/* ---------- prose ---------- */

.prose { max-width: var(--measure); }
.prose h2 {
  font-family: var(--stencil);
  font-size: 1.25rem;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--chalk);
  margin: 2.4rem 0 .7rem;
  padding-left: .9rem;
  border-left: 4px solid var(--amber);
}
.prose h3 {
  font-family: var(--stencil);
  font-size: .92rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--amber-dim);
  margin: 1.7rem 0 .4rem;
}
.prose p { margin: 0 0 .9rem; }
.prose ul { padding-left: 1.2rem; margin: 0 0 1rem; }
.prose li { margin-bottom: .35rem; }
.prose a { color: var(--amber); }
.prose a:hover { color: var(--chalk); }

.updated {
  font-family: var(--stencil);
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--concrete-400);
  border: 1px solid var(--concrete-600);
  padding: .5rem .8rem;
  display: inline-block;
  margin-bottom: 2rem;
}

/* ---------- page header (inner pages) ---------- */

.page-head { padding: clamp(2.2rem, 6vw, 3.6rem) 0 1.8rem; border-bottom: var(--rule); }
.page-head h1 {
  font-family: var(--stencil);
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--chalk);
  margin: 0 0 .5rem;
}
.page-head p { margin: 0; max-width: var(--measure); }

/* ---------- 404 ---------- */

.lost { padding: clamp(3rem, 10vw, 6rem) 0; text-align: center; }
.lost svg { width: min(280px, 62vw); height: auto; margin: 0 auto 1.8rem; display: block; }
.lost h1 {
  font-family: var(--stencil);
  font-size: clamp(2.4rem, 9vw, 4.4rem);
  letter-spacing: .1em;
  color: var(--emergency);
  margin: 0 0 .5rem;
}
.lost h2 {
  font-family: var(--stencil);
  font-size: clamp(.95rem, 3vw, 1.2rem);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--chalk);
  margin: 0 0 1rem;
  font-weight: 400;
}
.lost p { max-width: 48ch; margin: 0 auto .6rem; }
.lost .cta-row { justify-content: center; margin-top: 1.9rem; }

/* ---------- footer ---------- */

.footer {
  border-top: var(--rule);
  background: var(--concrete-800);
  padding: 2.1rem 0 2.6rem;
  margin-top: 1rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr));
  gap: 1.6rem;
}

.footer h2 {
  font-family: var(--stencil);
  font-size: .68rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--concrete-400);
  margin: 0 0 .7rem;
}

.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin-bottom: .3rem; }
.footer a { color: var(--dust); text-decoration: none; font-size: .92rem; }
.footer a:hover { color: var(--amber); }

.footer-note { color: var(--concrete-400); font-size: .86rem; margin: 0 0 .4rem; max-width: 42ch; }

.colophon {
  font-family: var(--stencil);
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--concrete-500);
  margin-top: 1.8rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--concrete-700);
}

/* ---------- SVG drawing classes ---------- */

.d-void { fill: var(--concrete-900); }
.d-soil { fill: var(--concrete-800); }
.d-rock { fill: var(--concrete-700); }
.d-slab { fill: var(--concrete-600); }
.d-wall { fill: none; stroke: var(--concrete-400); stroke-width: 2; }
.d-thin { fill: none; stroke: var(--concrete-500); stroke-width: 1; }
.d-guide { fill: none; stroke: var(--concrete-600); stroke-width: 1; stroke-dasharray: 4 5; }
.d-amber { fill: var(--amber); }
.d-amber-line { fill: none; stroke: var(--amber); stroke-width: 2; }
.d-amber-dim { fill: var(--amber-dim); }
.d-rust { fill: var(--rust); }
.d-moss { fill: var(--moss); }
.d-alarm { fill: var(--emergency); }
.d-alarm-line { fill: none; stroke: var(--emergency); stroke-width: 2; }
.d-chalk { fill: var(--chalk); }
.d-dust { fill: var(--dust); }
.d-plate { fill: var(--concrete-800); stroke: var(--concrete-600); stroke-width: 1; }

.d-label {
  font-family: var(--stencil);
  font-size: 9px;
  letter-spacing: .16em;
  fill: var(--concrete-400);
  text-transform: uppercase;
}
.d-label-amber { fill: var(--amber-dim); }
.d-readout {
  font-family: var(--stencil);
  font-size: 11px;
  fill: var(--chalk);
  letter-spacing: .06em;
}
.d-big {
  font-family: var(--stencil);
  font-size: 20px;
  font-weight: 700;
  fill: var(--amber);
  letter-spacing: .1em;
}

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .status-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .masthead-inner { padding-bottom: .8rem; }
  .brand { margin-right: 0; }
  .nav { width: 100%; }
  .level { grid-template-columns: minmax(0, 1fr); gap: .5rem; }
  .level-depth { border-right: none; border-left: 3px solid var(--concrete-600); padding-left: .8rem; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  table.specs th { width: auto; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}