/* ============================================================
   CTRL/0 — DESCENT · sub-pages
   game-design.html (Training Protocol) + whitepaper.html (Manifesto)
   Loaded after descent.css — reuses its tokens and furniture.
   ============================================================ */

/* ---------- sub-page hero ---------- */
.sub-hero {
  position: relative;
  min-height: 92svh;
  display: flex;
  overflow: hidden;
}
.sub-hero__bg { position: absolute; inset: 0; }
.sub-hero__bg canvas { position: absolute; inset: 0; width: 100%; height: 100%; }

.sub-hero__frame {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  width: 100%;
  padding: 120px var(--gutter) clamp(44px, 8vh, 90px);
  padding-left: var(--content-left);
}

.sub-hero__title {
  font-size: clamp(2.9rem, 9vw, 8rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
  font-weight: 800;
  text-transform: uppercase;
}
.sub-hero__dek {
  margin-top: 2em;
  font-size: clamp(1.05rem, 1.7vw, 1.4rem);
  line-height: 1.55;
  color: var(--fg-muted);
  max-width: 38em;
}

.chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 2.4em 0 0;
  padding: 0;
}
.chips li {
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--fg-muted);
  border: 1px solid var(--border);
  padding: 8px 12px;
}
.chips .chips__accent {
  color: var(--accent);
  border-color: rgba(229, 72, 77, 0.45);
  background: var(--accent-dim);
}

.sub-hero .bg-layer img { opacity: 0.78; }
.sub-hero__frame { z-index: 2; }

/* ============================================================
   GAME DESIGN — doctrine
   ============================================================ */
.doctrine { padding-bottom: clamp(60px, 10vh, 120px); }

.objectives {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-soft);
  border: 1px solid var(--border-soft);
  margin: 0 var(--gutter);
  margin-left: var(--content-left);
  max-width: 1240px;
}
.objective {
  position: relative;
  background: var(--bg);
  padding: clamp(26px, 3vw, 44px);
  overflow: hidden;
  transition: background 0.35s var(--ease-out);
}
.objective:hover { background: var(--surface); }
.objective__num {
  position: absolute;
  top: -0.18em; right: 0.02em;
  font-family: var(--sans);
  font-size: clamp(4.5rem, 7vw, 7rem);
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(232, 230, 225, 0.14);
  pointer-events: none;
  transition: -webkit-text-stroke-color 0.35s;
}
.objective:hover .objective__num { -webkit-text-stroke-color: rgba(229, 72, 77, 0.5); }
.objective .icon { margin-top: 4px; }
.objective__title {
  font-size: clamp(1.4rem, 2vw, 1.8rem);
  letter-spacing: -0.02em;
  font-weight: 700;
  margin: 1.1em 0 0.7em;
}
.objective p:last-child {
  margin: 0;
  color: var(--fg-muted);
  font-size: 0.95rem;
}

.params {
  margin: clamp(50px, 8vh, 90px) var(--gutter) 0;
  margin-left: var(--content-left);
  max-width: 980px;
}
.params__label {
  font-size: 10px;
  letter-spacing: 0.26em;
  color: var(--accent);
  margin-bottom: 1.8em;
}
.params__list {
  list-style: none;
  margin: 0; padding: 0;
  columns: 2;
  column-gap: clamp(30px, 4vw, 60px);
}
.params__list li {
  break-inside: avoid;
  padding: 14px 0 14px 22px;
  border-top: 1px solid var(--border-soft);
  position: relative;
  color: var(--fg-muted);
  font-size: 0.95rem;
}
.params__list li::before {
  content: '▸';
  position: absolute;
  left: 0; top: 15px;
  color: var(--accent);
  font-size: 0.75rem;
}
.params__list strong { color: var(--fg); font-weight: 600; }

/* ============================================================
   GAME DESIGN — simulation (NODE_SIEGE)
   ============================================================ */
.sim {
  background:
    radial-gradient(70% 55% at 50% 0%, rgba(229, 72, 77, 0.05), transparent 65%),
    var(--bg-deep);
  padding: clamp(80px, 13vh, 150px) 0 clamp(70px, 11vh, 130px);
}
.sim__inner {
  max-width: 1240px;
  padding: 0 var(--gutter);
  padding-left: var(--content-left);
}
.sim__head { max-width: 1100px; }
.sim__head .chapter-head__dek { max-width: 52ch; }
.sim__head { margin-bottom: clamp(36px, 6vh, 70px); }

.terminal {
  max-width: 860px;
  border: 1px solid var(--border);
  background: #0B0C10;
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(6, 7, 8, 0.8);
}
.terminal__bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-soft);
  background: rgba(232, 230, 225, 0.03);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--fg-faint);
}
.terminal__sig { display: flex; gap: 6px; }
.terminal__sig i {
  width: 9px; height: 9px;
  border: 1px solid var(--fg-faint);
}
.terminal__sig i:first-child { background: var(--accent); border-color: var(--accent); }
.terminal__url {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--fg-muted);
  border: 1px solid var(--border-soft);
  background: var(--bg-deep);
  padding: 6px 10px;
}
.terminal__ver { white-space: nowrap; }

.terminal__body {
  position: relative;
  padding: clamp(14px, 2vw, 22px);
  overflow: hidden;
}

/* the grid */
.net-game {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}
.net-game .cell {
  aspect-ratio: 1;
  min-height: 40px;
  border: 1px solid rgba(232, 230, 225, 0.09);
  background: rgba(232, 230, 225, 0.02);
  color: var(--fg-faint);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  cursor: default;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.net-game .cell.reachable {
  cursor: pointer;
  border-color: rgba(229, 72, 77, 0.45);
}
.net-game .cell.reachable:hover { background: var(--accent-dim); }
.net-game .cell.infected {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg-deep);
}
.net-game .cell.firewall {
  color: var(--fg-muted);
  letter-spacing: 1px;
  background: rgba(232, 230, 225, 0.04);
}
.net-game .cell.server {
  color: var(--fg);
  border-color: rgba(232, 230, 225, 0.75);
  box-shadow: inset 0 0 0 1px rgba(232, 230, 225, 0.75);
  font-weight: 500;
}
.net-game .cell.server.damaged {
  box-shadow: inset 0 0 0 1px rgba(232, 230, 225, 0.75), inset 0 0 12px rgba(229, 72, 77, 0.6);
}
.net-game .cell.server.infected {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg-deep);
  box-shadow: none;
}
.net-game .cell.av {
  background: var(--fg);
  border-color: var(--fg);
  color: var(--bg-deep);
  font-weight: 500;
}
.net-game.won .cell { animation: cellFlash 0.5s steps(2, end); }
@keyframes cellFlash { 50% { filter: invert(1); } }
.net-game.lost .cell { filter: saturate(0.2) brightness(0.75); }

.game-hud {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  min-height: 26px;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--fg-muted);
}
#game-status { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.game-restart {
  background: none;
  border: 1px solid var(--border);
  color: var(--fg);
  font-size: 10px;
  letter-spacing: 0.16em;
  padding: 7px 14px;
  cursor: pointer;
  transition: border-color 0.25s, color 0.25s, background 0.25s;
  white-space: nowrap;
}
.game-restart:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }

.game-overword {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(6, 7, 8, 0.85);
  backdrop-filter: blur(3px);
  z-index: 5;
}
.game-overword span {
  font-family: var(--sans);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  animation: overFlicker 0.9s steps(3) 2;
}
.game-overword .over-win { color: var(--accent); text-shadow: 0 0 34px rgba(229, 72, 77, 0.55); }
.game-overword .over-lose { color: var(--fg); text-shadow: 0 0 34px rgba(232, 230, 225, 0.3); }
@keyframes overFlicker { 50% { opacity: 0.35; } }

.game-intro {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(16px, 2.5vw, 28px);
  background: rgba(6, 7, 8, 0.93);
  backdrop-filter: blur(4px);
  z-index: 6;
}
.chat-sender {
  font-size: 9px;
  letter-spacing: 0.24em;
  color: var(--accent);
}
.game-chat {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 9px;
  overflow: hidden;
  flex: 1;
  min-height: 0;
}
.chat-msg {
  font-size: 12px;
  line-height: 1.5;
  color: var(--fg-muted);
  border-left: 2px solid var(--accent);
  background: rgba(232, 230, 225, 0.03);
  padding: 9px 12px;
  max-width: 46ch;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}
.chat-msg.show { opacity: 1; transform: translateY(0); }
.game-jackin {
  align-self: flex-start;
  background: var(--accent);
  border: none;
  color: var(--bg-deep);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  padding: 12px 22px;
  cursor: pointer;
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s;
}
.game-jackin:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(229, 72, 77, 0.35);
}

.sim__legend {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin: 22px 0 0;
  padding: 0;
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--fg-faint);
}
.sim__legend li { display: flex; align-items: center; gap: 8px; }
.lg {
  width: 14px; height: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 8px;
  border: 1px solid var(--border);
}
.lg--you { background: var(--accent); border-color: var(--accent); }
.lg--av  { background: var(--fg); border-color: var(--fg); }
.lg--fw  { color: var(--fg-muted); }
.lg--srv { width: auto; padding: 0 4px; color: var(--fg); border-color: rgba(232, 230, 225, 0.7); }

/* ============================================================
   GAME DESIGN — players + platform + enlist
   ============================================================ */
.arch-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border-soft);
  border: 1px solid var(--border-soft);
  margin: 0 var(--gutter);
  margin-left: var(--content-left);
  max-width: 1100px;
}
.arch-cell {
  position: relative;
  background: var(--bg);
  padding: clamp(24px, 3vw, 42px);
  transition: background 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
  /* button reset — cards are selectable */
  border: none;
  margin: 0;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}
.arch-cell:hover { background: var(--surface); }
.arch-cell.is-chosen {
  background: var(--surface);
  box-shadow: inset 0 0 0 1px rgba(229, 72, 77, 0.55);
}
.arch-cell.is-chosen .icon { color: var(--accent); }

.arch-cell__plays {
  margin: 1.4em 0 0;
  font-size: 9px;
  letter-spacing: 0.24em;
  color: var(--fg-faint);
}
.arch-cell__logged {
  position: absolute;
  top: clamp(20px, 2.4vw, 34px);
  right: clamp(20px, 2.4vw, 34px);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--accent);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.35s var(--ease-out), transform 0.35s var(--ease-out);
}
.arch-cell.is-chosen .arch-cell__logged { opacity: 1; transform: none; }

.doctrine-log {
  margin: 26px var(--gutter) 0;
  margin-left: var(--content-left);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--fg-faint);
  transition: color 0.35s var(--ease-out);
}
.doctrine-log.is-live { color: var(--accent); }
.arch-cell .icon { width: 28px; height: 28px; margin-bottom: 16px; }
.arch-cell__tag {
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--fg-faint);
  margin-bottom: 1.2em;
}

.doctrine__fig {
  height: clamp(280px, 50vh, 500px);
  margin: clamp(50px, 9vh, 100px) 0 0;
  margin-left: var(--content-left);
  margin-right: var(--gutter);
  max-width: 1240px;
}
.doc-body .icon { margin-bottom: 18px; width: 30px; height: 30px; }
.arch-cell p:last-child { margin: 0; color: var(--fg-muted); font-size: 0.95rem; }

.players { padding-bottom: clamp(60px, 10vh, 120px); }

.platform { padding-bottom: clamp(40px, 7vh, 80px); }
.platform__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 4vw, 60px);
  padding: 0 var(--gutter);
  padding-left: var(--content-left);
  max-width: 1100px;
  color: var(--fg-muted);
}
.platform__cols p { margin: 0; }

.roles {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 2.2em 0 0;
  padding: 0;
  position: relative;
}
.roles li {
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--fg-muted);
  border: 1px solid var(--border);
  padding: 9px 14px;
  transition: color 0.25s, border-color 0.25s, background 0.25s;
}
.roles li:hover {
  color: var(--accent);
  border-color: rgba(229, 72, 77, 0.5);
  background: var(--accent-dim);
}

.epilogue--sub { min-height: 92svh; }

/* ============================================================
   MANIFESTO — document layout
   ============================================================ */
.sub-hero--doc {
  background:
    radial-gradient(80% 55% at 85% 10%, rgba(229, 72, 77, 0.05), transparent 60%),
    var(--bg);
}
.sub-hero__title--doc { font-size: clamp(2.5rem, 7.6vw, 6.8rem); }

.doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 34px;
  margin-bottom: clamp(40px, 8vh, 90px);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--fg-faint);
}
.doc-meta s { color: var(--accent); text-decoration-color: rgba(229, 72, 77, 0.8); }

.stamp {
  position: absolute;
  right: clamp(20px, 7vw, 110px);
  top: clamp(96px, 15vh, 160px);
  padding: 14px 18px;
  border: 2px solid rgba(229, 72, 77, 0.55);
  color: rgba(229, 72, 77, 0.75);
  font-size: 11px;
  letter-spacing: 0.3em;
  line-height: 1.7;
  text-align: center;
  transform: rotate(8deg);
  mask-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.35' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.92'/%3E%3C/svg%3E");
  mask-size: 190px;
}

.doc-section {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
  gap: clamp(28px, 5vw, 80px);
  align-items: start;
  padding: clamp(70px, 12vh, 140px) var(--gutter);
  padding-left: var(--content-left);
  max-width: 1400px;
}
.doc-section--right {
  grid-template-columns: minmax(0, 3fr) minmax(0, 7fr);
}
.doc-section--right .doc-body { order: 2; }
.doc-section--right .doc-note { order: 1; text-align: right; }
.doc-section--right .doc-note p { border-right: 1px solid var(--border); border-left: none; padding-right: 18px; padding-left: 0; }

.doc-num {
  position: absolute;
  top: clamp(16px, 3vh, 40px);
  right: var(--gutter);
  font-family: var(--sans);
  font-size: clamp(6rem, 14vw, 13rem);
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(232, 230, 225, 0.09);
  pointer-events: none;
  user-select: none;
}
.doc-section--right .doc-num { right: auto; left: var(--content-left); }

.doc-title {
  font-size: clamp(2rem, 4.6vw, 3.8rem);
  line-height: 1;
  letter-spacing: -0.03em;
  font-weight: 800;
  margin-bottom: 0.7em;
}
.doc-body p { color: var(--fg-muted); max-width: 58ch; }
.doc-body p:last-child { margin-bottom: 0; }

.doc-note { padding-top: clamp(40px, 9vh, 110px); }
.doc-note p {
  margin: 0;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  line-height: 1.8;
  color: var(--fg-faint);
  border-left: 1px solid var(--border);
  padding-left: 18px;
  text-transform: uppercase;
}

/* redaction reveal */
.redacted {
  position: relative;
  color: transparent;
  background: linear-gradient(var(--surface-2), var(--surface-2)) left / 100% 100% no-repeat;
  box-shadow: 0 0 0 1px var(--border-soft);
  transition: color 0.5s ease 0.25s, background-size 0.9s var(--ease-out);
  padding: 0 3px;
}
.redacted.is-declassified {
  color: var(--accent);
  background-size: 0% 100%;
  box-shadow: none;
}

.interlude--short { min-height: 62svh; }

/* signatures */
.epilogue__title--serif {
  font-size: clamp(2.2rem, 6.4vw, 5.2rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.1;
  text-transform: none;
}
.epilogue--sub .epilogue__dek { max-width: 52ch; font-family: var(--sans); font-style: normal; font-size: clamp(0.95rem, 1.3vw, 1.1rem); }

.sig-block { margin-top: 3em; position: relative; }
.sig-block__label {
  font-size: 9px;
  letter-spacing: 0.28em;
  color: var(--fg-faint);
  margin-bottom: 1.6em;
}
.sig-grid {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 22px;
  margin: 0;
  padding: 0;
  max-width: 720px;
  font-size: 10.5px;
  letter-spacing: 0.1em;
}
.sig-grid li {
  color: var(--fg-muted);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}
.sig-grid li.is-signed { opacity: 1; transform: none; }
.sig-grid li::before { content: '⌁ '; color: var(--accent); }

/* ============================================================
   responsive
   ============================================================ */
@media (max-width: 900px) {
  .objectives { grid-template-columns: 1fr; }
  .params__list { columns: 1; }
  .arch-grid { grid-template-columns: 1fr; }
  .platform__cols { grid-template-columns: 1fr; }
  .doc-section, .doc-section--right { grid-template-columns: 1fr; }
  .doc-section--right .doc-body { order: 1; }
  .doc-section--right .doc-note { order: 2; text-align: left; }
  .doc-section--right .doc-note p { border-left: 1px solid var(--border); border-right: none; padding-left: 18px; padding-right: 0; }
  .doc-note { padding-top: 0; }
  .stamp { position: static; align-self: flex-start; margin-bottom: 34px; transform: rotate(-4deg); }
  .sub-hero--doc .sub-hero__frame { justify-content: center; }
}

@media (max-width: 520px) {
  .net-game .cell { min-height: 34px; font-size: 8px; }
  .chips li { padding: 6px 9px; }
  .terminal__ver { display: none; }
}

/* ============================================================
   reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .redacted { color: var(--accent); background-size: 0% 100%; box-shadow: none; }
  .sig-grid li { opacity: 1; transform: none; }
  .net-game.won .cell { animation: none; }
  .game-overword span { animation: none; }
}

/* ---------- doctrine portrait plates (GD.04) ---------- */
.arch-cell__plate {
  display: block;
  margin: 0 0 18px;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--bg);
}
.arch-cell__plate img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  display: block;
  filter: grayscale(0.35) contrast(1.06) brightness(0.85);
  transform: scale(1.04);
  transition: filter 0.6s var(--ease-out), transform 1.2s var(--ease-out);
}
.arch-cell:hover .arch-cell__plate img {
  filter: grayscale(0.1) contrast(1.06) brightness(0.95);
  transform: scale(1.01);
}
.arch-cell.is-chosen .arch-cell__plate { box-shadow: inset 0 0 0 1px rgba(229, 72, 77, 0.55); }
.arch-cell.is-chosen .arch-cell__plate img {
  filter: grayscale(0) contrast(1.08) brightness(0.95);
  transform: scale(1);
}