/* ============================================================
   KILO delivery portal — isoBOLD
   Tokens live in assets/brand/tokens/. This sheet is chrome,
   composition, and interaction only. No remote imports.
   ============================================================ */

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

html {
  color-scheme: dark;
  background: var(--bg, #0A0A0C);
}

html, body {
  margin: 0;
  min-height: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  color: var(--text-2);
  background: var(--bg);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--accent-bright);
  text-decoration: none;
}
a:hover { color: var(--gold-100, #EFE2BF); }

:focus-visible {
  outline: 2px solid var(--accent-bright);
  outline-offset: 3px;
}

::selection {
  background: var(--accent);
  color: var(--on-accent);
}

.skip {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 20;
  padding: 10px 14px;
  background: var(--surface-card);
  color: var(--text-1);
  border: 1px solid var(--border-strong);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
}
.skip:focus { top: 16px; }

/* ---------- SHELL ---------- */
.shell {
  position: relative;
  min-height: 100vh;
  overflow: clip;
  background:
    radial-gradient(120% 90% at 42% 28%, rgba(10,10,12,.28), rgba(10,10,12,.94) 78%),
    var(--bg);
}
.shell::after {
  content: none;
}
.shell > * { position: relative; z-index: 1; }

.iso-grid::before { z-index: 0; opacity: .9; }

.wrap {
  width: min(1280px, calc(100vw - 48px));
  max-width: 100%;
  margin: 0 auto;
}

/* ---------- MASTHEAD ---------- */
.mast {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-6);
  padding: 28px 0 18px;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 13px;
  min-width: 0;
}
.brand img {
  height: 30px;
  width: auto;
}
.brand-lockup {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}
.wordmark {
  font-size: 16px;
  font-weight: var(--weight-bold);
  letter-spacing: 2.5px;
  color: var(--text-1);
}
.tag {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: 1.8px;
  color: var(--text-3);
}
.slash { color: var(--text-3); }

.docmeta {
  text-align: right;
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  line-height: 1.8;
  letter-spacing: .4px;
  color: var(--text-3);
  flex: none;
}
.docmeta .class { color: var(--accent); }

/* ---------- HERO ---------- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(240px, 0.85fr);
  gap: 48px 64px;
  align-items: center;
  padding: 56px 0 28px;
  min-height: min(72vh, 640px);
}
.hero > * { min-width: 0; }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow .iso-tick { flex: none; }
.eyebrow-label {
  font-family: var(--font-mono);
  font-weight: var(--weight-medium);
  font-size: var(--text-xs);
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  margin: 22px 0 0;
  font-family: var(--font-sans);
  font-weight: var(--weight-semibold);
  font-size: clamp(2.75rem, 6.4vw, 4.6rem);
  letter-spacing: var(--tracking-display);
  line-height: 0.98;
  color: var(--text-1);
  text-wrap: balance;
  max-width: 14ch;
}
.hero h1 .gold { color: var(--accent); }

.gold-rule {
  width: 64px;
  height: 3px;
  background: var(--accent);
  margin: 28px 0 22px;
  border: 0;
}

.lede {
  margin: 0;
  max-width: 40rem;
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--text-2);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--text-2);
  background: transparent;
  cursor: pointer;
  transition: background var(--dur) var(--ease-out), color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}
.btn:hover {
  background: var(--surface-hover);
  color: var(--text-1);
}
.btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}
.btn--primary:hover {
  background: var(--accent-bright);
  border-color: var(--accent-bright);
  color: var(--on-accent);
}
.btn--ghost { background: transparent; }

.hero-figure {
  position: relative;
  justify-self: center;
  width: min(100%, 420px);
  filter: drop-shadow(var(--glow-gold));
}
.hero-figure img {
  width: 100%;
  height: auto;
}
.hero-caption {
  position: absolute;
  left: 8%;
  right: 8%;
  bottom: 4%;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1.4px;
  color: var(--text-4);
}

/* ---------- SPEC STRIP ---------- */
.spec {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--border-strong);
  border-bottom: 1px solid var(--border);
}
.spec-item {
  padding: 22px 24px 20px 0;
  border-right: 1px solid var(--border);
}
.spec-item:last-child {
  padding-right: 0;
  padding-left: 24px;
  border-right: 0;
}
.spec-item:first-child { padding-left: 0; }
.spec-k {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--text-3);
  text-transform: uppercase;
}
.spec-v {
  margin-top: 8px;
  font-size: 1.625rem;
  font-weight: var(--weight-semibold);
  letter-spacing: -0.5px;
  line-height: 1.1;
  color: var(--text-1);
}
.spec-v.gold { color: var(--accent); }
.spec-n {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: .8px;
  color: var(--text-3);
  line-height: 1.45;
}

/* ---------- READING PATH ---------- */
.path {
  padding: 56px 0 24px;
}
.path-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 2.2px;
}
.path-head .idx { color: var(--accent); }
.path-head .lbl { color: var(--text-3); text-transform: uppercase; }
.path-head .iso-rail__line { flex: 1; height: 1px; background: var(--border); }
.path-head .meta { color: var(--text-4); }

.path-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 18px;
  align-items: stretch;
}

.feature {
  display: flex;
  flex-direction: column;
  min-height: 280px;
  padding: 28px 32px 24px;
  border: 1px solid var(--accent-line);
  background: var(--surface-card);
}
.feature-kicker {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 1.8px;
}
.feature-kicker .idx {
  font-size: 15px;
  font-weight: var(--weight-semibold);
  color: var(--accent);
}
.feature-kicker .role { color: var(--text-4); text-transform: uppercase; }
.feature h2 {
  margin: 16px 0 0;
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-display);
  line-height: 1.08;
  color: var(--text-1);
}
.feature p {
  margin: 14px 0 0;
  max-width: 42rem;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--text-2);
  text-wrap: pretty;
}
.feature-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
  padding-top: 28px;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.doc-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  gap: 14px 16px;
  align-items: start;
  min-height: 88px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  background: var(--ink-raised, #111114);
  color: inherit;
  text-align: left;
  transition: background var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}
.doc-row:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
  color: inherit;
}
.doc-row .idx {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: var(--weight-semibold);
  letter-spacing: 1px;
  color: var(--text-3);
  padding-top: 2px;
}
.doc-row h3 {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight);
  color: var(--text-1);
}
.doc-row h3 a {
  color: var(--text-1);
}
.doc-row h3 a:hover { color: var(--accent-bright); }
.doc-row p {
  margin: 6px 0 0;
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--text-3);
}
.doc-links {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
}
.doc-links a {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  color: var(--text-3);
  border-bottom: 1px solid transparent;
}
.doc-links a:hover {
  color: var(--accent-bright);
  border-bottom-color: var(--accent-line);
}
.doc-row.is-missing { opacity: .72; }
.doc-row.is-missing .status-dot { background: var(--text-4); }

/* ---------- GALLERY ---------- */
.gallery {
  padding: 40px 0 24px;
}
.gallery-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 2.2px;
}
.gallery-head .idx { color: var(--accent); }
.gallery-head .lbl { color: var(--text-3); text-transform: uppercase; }
.gallery-head .iso-rail__line { flex: 1; height: 1px; background: var(--border); }
.gallery-head .meta { color: var(--text-4); }

.film {
  display: grid;
  grid-template-columns: 1.55fr 1fr 1fr 1fr;
  gap: 10px;
}
.shot {
  position: relative;
  display: block;
  min-height: 168px;
  border: 1px solid var(--border-strong);
  background: var(--ink-card, #15161A);
  overflow: hidden;
  cursor: zoom-in;
  color: inherit;
  padding: 0;
  text-align: left;
}
.shot img {
  width: 100%;
  height: 100%;
  min-height: 168px;
  object-fit: cover;
  filter: saturate(.82) brightness(.92);
}
.shot::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,10,12,.72) 0%, rgba(10,10,12,0) 28%, rgba(10,10,12,0) 58%, rgba(10,10,12,.7) 100%);
  pointer-events: none;
}
.shot:hover { border-color: var(--accent-line); }
.shot:focus-visible { outline-offset: -2px; }
.shot-label,
.shot-file {
  position: absolute;
  z-index: 1;
  font-family: var(--font-mono);
  letter-spacing: 1.4px;
  color: rgba(255,255,255,.86);
}
.shot-label {
  top: 12px;
  left: 14px;
  right: 14px;
  font-size: 9px;
}
.shot-file {
  bottom: 12px;
  left: 14px;
  right: 14px;
  font-size: 8.5px;
  color: rgba(255,255,255,.68);
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.shot-fallback {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8px;
  min-height: 168px;
  height: 100%;
  padding: 16px;
  background:
    linear-gradient(180deg, rgba(10,10,12,.2), rgba(10,10,12,.55)),
    var(--ink-card, #15161A);
}
.shot-fallback .iso-label { color: var(--accent-bright); }
.shot-fallback .fn {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-mono);
  color: var(--text-3);
}
.shot.has-fallback::after { display: none; }
.shot.has-fallback { cursor: default; }

.gallery-note {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: var(--tracking-wide);
  color: var(--text-4);
}

/* ---------- SOURCES (paper island) ---------- */
.sources {
  margin: 48px 0 0;
  padding: 36px 0 28px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.sources-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  gap: 40px 56px;
  align-items: start;
}
.sources h2 {
  margin: 10px 0 0;
  font-size: 1.75rem;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight);
  color: var(--text-1);
}
.sources .lede-s {
  margin: 14px 0 0;
  font-size: 1rem;
  line-height: 1.62;
  color: var(--text-2);
  text-wrap: pretty;
}
.guide {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.guide li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 10px 0;
  border-top: 1px solid var(--border);
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--text-2);
}
.guide li:last-child { border-bottom: 1px solid var(--border); }
.guide .iso-diamond { margin-top: 7px; }

.scorecard {
  border: 1px solid var(--border);
  background: var(--surface-card);
  padding: 18px 20px 8px;
}
.scorecard-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
  margin-bottom: 14px;
}
.scorecard-head .iso-label { color: var(--text-3); }
.scorecard-head .band {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 1.6px;
  color: var(--accent-bright);
  text-transform: uppercase;
}
.scores {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 28px;
  gap: 0 28px;
}
.score {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  min-width: 0;
  padding: 10px 0;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 1.2px;
}
.score .k {
  color: var(--text-3);
  text-transform: uppercase;
  min-width: 0;
  overflow-wrap: anywhere;
}
.score .v {
  color: var(--text-1);
  font-weight: var(--weight-semibold);
  flex: none;
}
.score.is-overall {
  grid-column: 1 / -1;
  border-top: 1px solid var(--border-strong);
  margin-top: 4px;
}
.score.is-overall .v { color: var(--accent-bright); font-size: var(--text-lg); }
.score-note {
  margin: 12px 0 8px;
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--text-3);
}

.inventory {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: var(--tracking-wide);
  color: var(--text-4);
  line-height: 1.7;
}
.inventory .ok { color: var(--text-2); }
.inventory .miss { color: var(--text-3); }

/* ---------- FOOTER ---------- */
.foot {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 22px 0 36px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1.8px;
  color: var(--text-3);
}
.foot a { color: var(--text-3); }
.foot a:hover { color: var(--accent-bright); }
.kbd-hint kbd {
  display: inline-block;
  padding: 1px 5px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1px;
  color: var(--text-2);
}

/* ---------- LIGHTBOX ---------- */
.lb[hidden] { display: none; }
.lb {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: rgba(10,10,12,.92);
  padding: 24px 28px;
}
.lb-bar,
.lb-cap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 1.6px;
  color: var(--text-3);
}
.lb-stage {
  display: grid;
  place-items: center;
  min-height: 0;
  padding: 16px 0;
}
.lb-stage img {
  max-width: min(100%, 1280px);
  max-height: calc(100vh - 160px);
  width: auto;
  height: auto;
  object-fit: contain;
  border: 1px solid var(--border-strong);
  background: var(--ink-card);
}
.lb-nav {
  display: flex;
  gap: 8px;
}
.lb-btn {
  min-width: 44px;
  min-height: 44px;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 1.4px;
  cursor: pointer;
}
.lb-btn:hover {
  background: var(--surface-hover);
  color: var(--text-1);
}

/* ---------- KEYBOARD PANEL ---------- */
.help[hidden] { display: none; }
.help {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  background: rgba(10,10,12,.72);
  padding: 24px;
}
.help-card {
  width: min(520px, 100%);
  border: 1px solid var(--border-strong);
  background: var(--surface-card);
  padding: 28px 32px;
  box-shadow: var(--shadow-lg);
}
.help-card h2 {
  margin: 8px 0 0;
  font-size: 1.5rem;
  color: var(--text-1);
}
.help-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.help-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0;
  border-top: 1px solid var(--border);
  font-size: var(--text-sm);
  color: var(--text-2);
}
.help-list kbd {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 1.4px;
  color: var(--text-1);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 28px;
    min-height: 0;
    padding-top: 36px;
  }
  .hero-figure { width: min(280px, 70%); justify-self: start; }
  .path-grid { grid-template-columns: 1fr; }
  .film { grid-template-columns: 1fr 1fr; }
  .sources-inner { grid-template-columns: 1fr; gap: 28px; }
  .spec { grid-template-columns: 1fr 1fr; }
  .spec-item,
  .spec-item:last-child,
  .spec-item:first-child {
    padding: 18px 20px 16px 0;
  }
  .spec-item:nth-child(even) {
    padding-left: 20px;
    padding-right: 0;
    border-right: 0;
  }
  .spec-item:nth-child(1),
  .spec-item:nth-child(2) {
    border-bottom: 1px solid var(--border);
  }
}

@media (max-width: 640px) {
  .wrap { width: calc(100vw - 32px); }
  .lede { text-wrap: wrap; }
  .mast { flex-direction: column; }
  .docmeta { text-align: left; }
  .slash, .tag { display: none; }
  .hero h1 { font-size: 2.5rem; }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn { width: 100%; }
  .spec { grid-template-columns: 1fr; }
  .spec-item,
  .spec-item:nth-child(even),
  .spec-item:last-child,
  .spec-item:first-child {
    padding: 16px 0;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }
  .spec-item:last-child { border-bottom: 0; }
  .film { grid-template-columns: 1fr; }
  .doc-row {
    grid-template-columns: 36px minmax(0, 1fr);
  }
  .doc-links {
    grid-column: 2;
    flex-direction: row;
    align-items: center;
  }
  .foot { flex-direction: column; }
  .scores { grid-template-columns: 1fr; gap: 0; }
}

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

@media print {
  .shell::after, .iso-grid::before, .iso-stamp { display: none; }
  .lb, .help, .skip, .kbd-hint { display: none !important; }
  body, .shell { background: #fff; color: #15161A; }
  .btn, .doc-row, .feature, .shot { break-inside: avoid; }
}