/* ==========================================================================
   Neutron Group — site.css
   Type:   Archivo (display) / Newsreader (reading) / IBM Plex Mono (data)
   Colour: four switchable palettes, each with a dark and a light set
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Palettes. Every palette declares a dark set (--d-*) and a light set
   (--l-*). The theme layer below maps one of them onto the live tokens.
   -------------------------------------------------------------------------- */

:root[data-palette="copper"] {
  --palette-name: "Midnight indigo, copper, bone";

  --d-bg:        #0B1220;
  --d-bg-2:      #111B2E;
  --d-bg-3:      #16233A;
  --d-line:      #22314C;
  --d-line-2:    #33445F;
  --d-text:      #F4F1EA;
  --d-text-2:    #C3CBD8;
  --d-text-3:    #8494AC;
  --d-accent:    #D98246;
  --d-accent-2:  #F0BC8A;
  --d-accent-ink:#170D05;
  --d-third:     #9FB6C9;

  --l-bg:        #F7F4EE;
  --l-bg-2:      #FFFFFF;
  --l-bg-3:      #EFEAE1;
  --l-line:      #DCD5C8;
  --l-line-2:    #C0B7A6;
  --l-text:      #0B1220;
  --l-text-2:    #3B475C;
  --l-text-3:    #6C7891;
  --l-accent:    #A85226;
  --l-accent-2:  #7C3A17;
  --l-accent-ink:#FFF7F0;
  --l-third:     #395670;
}

:root,
:root[data-palette="teal"] {
  --palette-name: "Petrol teal, amber, ivory";

  --d-bg:        #062A28;
  --d-bg-2:      #0B3B38;
  --d-bg-3:      #0F4B47;
  --d-line:      #175B55;
  --d-line-2:    #2A736C;
  --d-text:      #FAF7F0;
  --d-text-2:    #C6DCD8;
  --d-text-3:    #8CAFAA;
  --d-accent:    #E8AE4F;
  --d-accent-2:  #F6D79A;
  --d-accent-ink:#12100A;
  --d-third:     #7FC4B4;

  --l-bg:        #F3F7F5;
  --l-bg-2:      #FFFFFF;
  --l-bg-3:      #E6EFEC;
  --l-line:      #CFE0DA;
  --l-line-2:    #A9C6BE;
  --l-text:      #052421;
  --l-text-2:    #33544F;
  --l-text-3:    #5E807A;
  --l-accent:    #8A5A0E;
  --l-accent-2:  #63400A;
  --l-accent-ink:#FFFBF3;
  --l-third:     #1F6B5C;
}

:root[data-palette="oxblood"] {
  --palette-name: "Graphite, oxblood, sand";

  --d-bg:        #131519;
  --d-bg-2:      #1B1E24;
  --d-bg-3:      #23272F;
  --d-line:      #2E333C;
  --d-line-2:    #444B57;
  --d-text:      #F2EFEA;
  --d-text-2:    #C7CBD3;
  --d-text-3:    #939AA6;
  --d-accent:    #C9515D;
  --d-accent-2:  #E3B98F;
  --d-accent-ink:#170608;
  --d-third:     #D9C7A7;

  --l-bg:        #F6F4F0;
  --l-bg-2:      #FFFFFF;
  --l-bg-3:      #ECE8E1;
  --l-line:      #D9D4CB;
  --l-line-2:    #B7B0A4;
  --l-text:      #14161A;
  --l-text-2:    #454B55;
  --l-text-3:    #6E7583;
  --l-accent:    #8E2F39;
  --l-accent-2:  #632027;
  --l-accent-ink:#FFF6F6;
  --l-third:     #7A6748;
}

:root[data-palette="malachite"] {
  --palette-name: "Warm black, malachite, cream";

  --d-bg:        #0C0F0D;
  --d-bg-2:      #141915;
  --d-bg-3:      #1C231E;
  --d-line:      #262F28;
  --d-line-2:    #3B4A3E;
  --d-text:      #EFE9DC;
  --d-text-2:    #C3C6BC;
  --d-text-3:    #8E948A;
  --d-accent:    #4EA97A;
  --d-accent-2:  #A7DCBF;
  --d-accent-ink:#04140C;
  --d-third:     #C9B27A;

  --l-bg:        #F5F5F0;
  --l-bg-2:      #FFFFFF;
  --l-bg-3:      #EAEBE3;
  --l-line:      #D7D9CE;
  --l-line-2:    #B2B6A8;
  --l-text:      #0C0F0D;
  --l-text-2:    #414740;
  --l-text-3:    #6B7269;
  --l-accent:    #1F6B45;
  --l-accent-2:  #14472E;
  --l-accent-ink:#F4FFF8;
  --l-third:     #7A6524;
}

/* --------------------------------------------------------------------------
   2. Theme mapping. The site is dark first, so the bare :root is dark.
   -------------------------------------------------------------------------- */

:root {
  color-scheme: dark;
  --bg:        var(--d-bg);
  --bg-2:      var(--d-bg-2);
  --bg-3:      var(--d-bg-3);
  --line:      var(--d-line);
  --line-2:    var(--d-line-2);
  --text:      var(--d-text);
  --text-2:    var(--d-text-2);
  --text-3:    var(--d-text-3);
  --accent:    var(--d-accent);
  --accent-2:  var(--d-accent-2);
  --accent-ink:var(--d-accent-ink);
  --third:     var(--d-third);
  --shade:     rgba(0, 0, 0, .34);
  --veil:      rgba(11, 18, 32, .78);

  --wrap: 1240px;
  --gut: clamp(20px, 5vw, 64px);
  --rad: 3px;

  --sans: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --step--1: clamp(.84rem, .81rem + .12vw, .92rem);
  --step-0:  clamp(1.13rem, 1.08rem + .22vw, 1.26rem);
  --step-1:  clamp(1.34rem, 1.24rem + .42vw, 1.62rem);
  --step-2:  clamp(1.62rem, 1.42rem + .84vw, 2.24rem);
  --step-3:  clamp(2.05rem, 1.7rem + 1.55vw, 3.15rem);
  --step-4:  clamp(2.5rem, 1.9rem + 2.85vw, 4.5rem);
  --step-5:  clamp(3rem, 2.05rem + 4.4vw, 6rem);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    color-scheme: light;
    --bg:        var(--l-bg);
    --bg-2:      var(--l-bg-2);
    --bg-3:      var(--l-bg-3);
    --line:      var(--l-line);
    --line-2:    var(--l-line-2);
    --text:      var(--l-text);
    --text-2:    var(--l-text-2);
    --text-3:    var(--l-text-3);
    --accent:    var(--l-accent);
    --accent-2:  var(--l-accent-2);
    --accent-ink:var(--l-accent-ink);
    --third:     var(--l-third);
    --shade:     rgba(20, 22, 26, .10);
    --veil:      rgba(255, 255, 255, .82);
  }
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg:        var(--l-bg);
  --bg-2:      var(--l-bg-2);
  --bg-3:      var(--l-bg-3);
  --line:      var(--l-line);
  --line-2:    var(--l-line-2);
  --text:      var(--l-text);
  --text-2:    var(--l-text-2);
  --text-3:    var(--l-text-3);
  --accent:    var(--l-accent);
  --accent-2:  var(--l-accent-2);
  --accent-ink:var(--l-accent-ink);
  --third:     var(--l-third);
  --shade:     rgba(20, 22, 26, .10);
  --veil:      rgba(255, 255, 255, .82);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg:        var(--d-bg);
  --bg-2:      var(--d-bg-2);
  --bg-3:      var(--d-bg-3);
  --line:      var(--d-line);
  --line-2:    var(--d-line-2);
  --text:      var(--d-text);
  --text-2:    var(--d-text-2);
  --text-3:    var(--d-text-3);
  --accent:    var(--d-accent);
  --accent-2:  var(--d-accent-2);
  --accent-ink:var(--d-accent-ink);
  --third:     var(--d-third);
  --shade:     rgba(0, 0, 0, .34);
  --veil:      rgba(11, 18, 32, .78);
}

/* --------------------------------------------------------------------------
   3. Base
   -------------------------------------------------------------------------- */

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

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--serif);
  font-size: var(--step-0);
  line-height: 1.72;
  font-weight: 380;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, canvas { max-width: 100%; display: block; }

a { color: inherit; }

:where(a, button, input, select, textarea, summary):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

h1, h2, h3, h4, h5 {
  font-family: var(--sans);
  font-weight: 620;
  letter-spacing: -.024em;
  line-height: 1.1;
  text-wrap: balance;
  margin: 0;
}
h1 { line-height: 1.04; }

p { margin: 0; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gut);
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 10px 16px;
  font-family: var(--mono);
  font-size: var(--step--1);
  z-index: 200;
}
.skip:focus { left: 8px; top: 8px; }

/* Shared small parts ------------------------------------------------------- */

.kicker {
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .17em;
  text-transform: uppercase;
  color: var(--text-3);
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
}
.kicker::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--accent);
  flex: none;
}
.kicker--plain::before { display: none; }

.mono {
  font-family: var(--mono);
  font-size: var(--step--1);
  letter-spacing: .02em;
  font-variant-numeric: tabular-nums;
}

.lede {
  font-size: var(--step-1);
  line-height: 1.62;
  color: var(--text-2);
  max-width: 60ch;
  font-weight: 350;
}

.body-copy { color: var(--text-2); max-width: 64ch; line-height: 1.78; }
.body-copy + .body-copy { margin-top: 1.15em; }
.body-copy strong { color: var(--text); font-weight: 600; }

.rule { height: 1px; background: var(--line); border: 0; margin: 0; }

/* Buttons ------------------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sans);
  font-size: .97rem;
  font-weight: 600;
  letter-spacing: .01em;
  padding: 14px 24px;
  border-radius: var(--rad);
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.btn svg { flex: none; transition: transform .18s ease; }
.btn:hover svg { transform: translateX(3px); }

.btn--solid { background: var(--accent); color: var(--accent-ink); }
.btn--solid:hover { background: var(--accent-2); }

.btn--line { border-color: var(--line-2); color: var(--text); background: transparent; }
.btn--line:hover { border-color: var(--accent); color: var(--accent); }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--sans);
  font-size: .95rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}
.arrow-link:hover { border-bottom-color: var(--accent); }
.arrow-link svg { transition: transform .18s ease; }
.arrow-link:hover svg { transform: translateX(3px); }

/* --------------------------------------------------------------------------
   4. Masthead
   -------------------------------------------------------------------------- */

.masthead {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--line);
}

.masthead-in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 70px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: var(--text);
  flex: none;
}
.brand-mark { width: 30px; height: 30px; flex: none; }
.brand-word {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.06rem;
  letter-spacing: -.02em;
  line-height: 1;
}
.brand-word span { color: var(--accent); font-weight: 500; }

.nav { display: flex; align-items: center; gap: 4px; }

.nav-link {
  position: relative;
  font-family: var(--sans);
  font-size: .95rem;
  font-weight: 500;
  color: var(--text-2);
  text-decoration: none;
  padding: 9px 12px;
  border-radius: var(--rad);
  white-space: nowrap;
  transition: color .16s ease, background-color .16s ease;
}
.nav-link:hover { color: var(--text); background: var(--bg-2); }
.nav-link[aria-current="page"] { color: var(--accent); }

.nav-group { position: relative; }
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 0;
  cursor: pointer;
  font-family: var(--sans);
  font-size: .95rem;
  font-weight: 500;
  line-height: inherit;
}
.nav-toggle svg { transition: transform .2s ease; }
.nav-group[data-open="true"] .nav-toggle svg { transform: rotate(180deg); }

.nav-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: -8px;
  min-width: 288px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--rad);
  box-shadow: 0 18px 44px var(--shade);
  padding: 7px;
  display: none;
}
.nav-group[data-open="true"] .nav-menu { display: block; }

.nav-menu a {
  display: block;
  padding: 11px 13px;
  border-radius: 2px;
  text-decoration: none;
  transition: background-color .16s ease;
}
.nav-menu a:hover { background: var(--bg-3); }
.nav-menu strong {
  display: block;
  font-family: var(--sans);
  font-size: .93rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -.01em;
}
.nav-menu em {
  display: block;
  font-family: var(--mono);
  font-style: normal;
  font-size: .68rem;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-top: 4px;
}

.masthead-cta { margin-left: 8px; }

.burger {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--rad);
  color: var(--text);
  cursor: pointer;
}

.drawer {
  display: none;
  border-top: 1px solid var(--line);
  background: var(--bg);
  padding: 10px 0 26px;
}
.drawer[data-open="true"] { display: block; }
.drawer a {
  display: block;
  font-family: var(--sans);
  font-size: 1.02rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--text-2);
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}
.drawer a[aria-current="page"] { color: var(--accent); }
.drawer .drawer-sub { padding-left: 18px; font-size: .95rem; color: var(--text-3); }
.drawer .drawer-label {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 20px 0 8px;
}

@media (max-width: 1040px) {
  .nav, .masthead-cta { display: none; }
  .burger { display: inline-flex; }
}

/* --------------------------------------------------------------------------
   5. Hero
   -------------------------------------------------------------------------- */

.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: .5;
  pointer-events: none;
}

.hero-in {
  position: relative;
  z-index: 1;
  padding-block: clamp(64px, 9vw, 132px) clamp(56px, 8vw, 108px);
  display: grid;
  gap: 30px;
}

.hero-title {
  font-size: var(--step-5);
  font-weight: 600;
  letter-spacing: -.035em;
  max-width: 17ch;
}
.hero-title .soft { color: var(--text-3); font-weight: 500; }

.hero-lede { max-width: 56ch; }

.hero-foot {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 34px 56px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.hero-foot dl { margin: 0; }
.hero-foot dt {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-3);
}
.hero-foot dd {
  margin: 8px 0 0;
  font-family: var(--sans);
  font-size: 1.12rem;
  font-weight: 600;
  letter-spacing: -.015em;
}

/* Interior page head ------------------------------------------------------- */

.pagehead {
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(to bottom, color-mix(in srgb, var(--bg-2) 70%, transparent), transparent);
}
.pagehead-in { padding-block: clamp(46px, 6.5vw, 86px) clamp(38px, 5vw, 62px); }
.pagehead h1 { font-size: var(--step-4); max-width: 20ch; }
.pagehead .lede { margin-top: 22px; }

.crumbs {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 20px;
}
.crumbs a { text-decoration: none; color: var(--text-3); }
.crumbs a:hover { color: var(--accent); }
.crumbs span { margin: 0 8px; opacity: .55; }

/* --------------------------------------------------------------------------
   6. Bands
   -------------------------------------------------------------------------- */

.band { padding-block: clamp(52px, 7vw, 96px); }
.band--tint { background: var(--bg-2); border-block: 1px solid var(--line); }
.band--tight { padding-block: clamp(38px, 5vw, 64px); }

.band-head { display: grid; gap: 18px; margin-bottom: clamp(30px, 4vw, 52px); }
.band-head h2 { font-size: var(--step-3); max-width: 21ch; }
.band-head .lede { font-size: var(--step-0); }

@media (min-width: 900px) {
  .band-head--split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: end;
    gap: 18px 56px;
  }
  .band-head--split .kicker { grid-column: 1 / -1; margin-bottom: 0; }
}

/* --------------------------------------------------------------------------
   7. Entity register
   -------------------------------------------------------------------------- */

.register { border-top: 1px solid var(--line); }

.entity {
  display: grid;
  gap: 18px;
  padding-block: clamp(28px, 3.4vw, 44px);
  border-bottom: 1px solid var(--line);
  position: relative;
  text-decoration: none;
  color: inherit;
}
.entity::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 1px;
  width: 0;
  background: var(--accent);
  transition: width .35s cubic-bezier(.2, .7, .3, 1);
}
.entity:hover::after { width: 100%; }

.entity-sector {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
}
.entity h3 { font-size: var(--step-2); letter-spacing: -.028em; }
.entity p { color: var(--text-2); max-width: 58ch; font-size: .99rem; }

.entity-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--text-3);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 4px 9px;
  white-space: nowrap;
}
.tag--live { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }

.entity-go {
  font-family: var(--sans);
  font-size: .92rem;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.entity-go svg { transition: transform .2s ease; }
.entity:hover .entity-go svg { transform: translateX(4px); }

.entity--planned { opacity: .78; }
.entity--planned .entity-sector { color: var(--text-3); }
.entity--planned:hover::after { width: 0; }

@media (min-width: 860px) {
  .entity {
    grid-template-columns: minmax(230px, 300px) minmax(0, 1fr) 150px;
    align-items: start;
    gap: 40px;
  }
  .entity h3 { font-size: var(--step-1); }
  .entity-go { justify-self: end; padding-top: 6px; }
}
@media (min-width: 1120px) {
  .entity h3 { font-size: var(--step-2); }
}

/* --------------------------------------------------------------------------
   8. Vertical grid
   -------------------------------------------------------------------------- */

.verticals {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--rad);
  overflow: hidden;
}
@media (min-width: 700px) { .verticals { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .verticals { grid-template-columns: repeat(3, 1fr); } }

.vertical {
  background: var(--bg);
  padding: clamp(22px, 2.6vw, 32px);
  display: grid;
  gap: 12px;
  align-content: start;
  transition: background-color .2s ease;
}
.vertical:hover { background: var(--bg-2); }
.vertical-icon { color: var(--accent); }
.vertical h3 { font-size: var(--step-1); letter-spacing: -.02em; }
.vertical p { color: var(--text-2); font-size: 1rem; }
.vertical .held-by {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-3);
  padding-top: 4px;
}
.vertical--soon .vertical-icon { color: var(--text-3); }

/* --------------------------------------------------------------------------
   9. Numbered approach / principles
   -------------------------------------------------------------------------- */

.principles { display: grid; gap: 1px; background: var(--line); }
@media (min-width: 780px) { .principles { grid-template-columns: repeat(2, 1fr); } }

.principle {
  background: var(--bg);
  padding: clamp(24px, 3vw, 38px) clamp(20px, 2.4vw, 34px);
  display: grid;
  gap: 12px;
  align-content: start;
}
.principle h3 { font-size: var(--step-1); letter-spacing: -.02em; }
.principle p { color: var(--text-2); font-size: 1.01rem; }
.principle .mono { color: var(--accent); display: block; }

/* --------------------------------------------------------------------------
   10. Service list (advisory + SBU capability lists)
   -------------------------------------------------------------------------- */

.services { display: grid; gap: 0; border-top: 1px solid var(--line); }

.service {
  display: grid;
  gap: 12px;
  padding-block: clamp(24px, 3vw, 36px);
  border-bottom: 1px solid var(--line);
}
.service h3 { font-size: var(--step-1); letter-spacing: -.02em; }
.service p { color: var(--text-2); max-width: 62ch; }
.service-no {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
@media (min-width: 820px) {
  .service { grid-template-columns: 80px minmax(0, 1fr); gap: 12px 40px; }
  .service-no { grid-row: span 2; padding-top: 8px; }
}

/* --------------------------------------------------------------------------
   11. Spec table (facts, coverage)
   -------------------------------------------------------------------------- */

.specs { border-top: 1px solid var(--line); }
.spec {
  display: grid;
  gap: 4px 32px;
  padding-block: 16px;
  border-bottom: 1px solid var(--line);
}
.spec dt {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-3);
}
.spec dd { margin: 0; color: var(--text); font-size: 1.04rem; }
@media (min-width: 700px) { .spec { grid-template-columns: 250px minmax(0, 1fr); align-items: baseline; } }

/* --------------------------------------------------------------------------
   12. Split feature
   -------------------------------------------------------------------------- */

.split { display: grid; gap: clamp(28px, 4vw, 62px); align-items: start; }
@media (min-width: 940px) { .split { grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); } }

.panel {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--rad);
  padding: clamp(24px, 3vw, 38px);
}
.panel h3 { font-size: var(--step-1); margin-bottom: 16px; letter-spacing: -.02em; }

.ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: 13px; }
.ticks li {
  display: grid;
  grid-template-columns: 17px minmax(0, 1fr);
  gap: 13px;
  color: var(--text-2);
  font-size: 1.01rem;
  line-height: 1.55;
}
.ticks svg { color: var(--accent); margin-top: 6px; }

/* --------------------------------------------------------------------------
   13. Flagship callout (Neutron Gas)
   -------------------------------------------------------------------------- */

.flagship {
  border: 1px solid var(--line);
  border-radius: var(--rad);
  background:
    radial-gradient(120% 140% at 100% 0%, color-mix(in srgb, var(--accent) 15%, transparent), transparent 62%),
    var(--bg-2);
  padding: clamp(26px, 3.6vw, 48px);
  display: grid;
  gap: 22px;
}
.flagship h3 { font-size: var(--step-3); letter-spacing: -.03em; }
.flagship .lede { max-width: 50ch; }
.flagship-main { display: grid; gap: 22px; align-content: start; }
@media (min-width: 900px) {
  .flagship {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 22px 56px;
    align-items: center;
  }
}

.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.steps li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  color: var(--text-2);
  font-size: 1rem;
  line-height: 1.5;
}
.steps li:last-child { border-bottom: 0; }
.steps b {
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: .1em;
  padding-top: 3px;
  font-variant-numeric: tabular-nums;
}
.cyl-row { display: flex; flex-wrap: wrap; gap: 10px; }
.cyl {
  font-family: var(--mono);
  font-size: .84rem;
  border: 1px solid var(--line-2);
  border-radius: 2px;
  padding: 7px 12px;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------------------------
   14. Leadership
   -------------------------------------------------------------------------- */

.leaders { display: grid; gap: 1px; background: var(--line); border-block: 1px solid var(--line); }
@media (min-width: 860px) { .leaders { grid-template-columns: repeat(2, 1fr); } }

.leader {
  background: var(--bg);
  padding: clamp(24px, 3vw, 36px);
  display: grid;
  gap: 14px;
  align-content: start;
}
.leader-avatar {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  display: grid;
  place-items: center;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -.02em;
  color: var(--accent);
  background: var(--bg-2);
}
.leader h3 { font-size: var(--step-1); letter-spacing: -.02em; }
.leader .role {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-top: -6px;
}
.leader p { color: var(--text-2); font-size: 1rem; }
.leader--open { background: var(--bg-2); }
.leader--open .leader-avatar { color: var(--text-3); border-style: dashed; }

/* --------------------------------------------------------------------------
   15. Careers
   -------------------------------------------------------------------------- */

.roles { border-top: 1px solid var(--line); }
.role-row {
  display: grid;
  gap: 10px 34px;
  padding-block: clamp(20px, 2.6vw, 30px);
  border-bottom: 1px solid var(--line);
  align-items: center;
}
.role-row h3 { font-size: var(--step-1); letter-spacing: -.02em; }
.role-meta { font-family: var(--mono); font-size: .79rem; color: var(--text-3); letter-spacing: .06em; }
@media (min-width: 820px) {
  .role-row { grid-template-columns: minmax(0, 1fr) 210px 190px 130px; }
}

.notice {
  border: 1px dashed var(--line-2);
  border-radius: var(--rad);
  padding: clamp(20px, 2.6vw, 30px);
  color: var(--text-2);
  background: var(--bg-2);
  display: grid;
  gap: 10px;
}
.notice strong { font-family: var(--sans); color: var(--text); font-weight: 600; }

/* --------------------------------------------------------------------------
   16. Forms
   -------------------------------------------------------------------------- */

.form { display: grid; gap: 18px; }
.form-row { display: grid; gap: 18px; }
@media (min-width: 660px) { .form-row { grid-template-columns: repeat(2, 1fr); } }

.field { display: grid; gap: 8px; }
.field label {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-3);
}
.field input,
.field select,
.field textarea {
  font-family: var(--serif);
  font-size: 1.06rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--line-2);
  border-radius: var(--rad);
  padding: 13px 14px;
  width: 100%;
  transition: border-color .16s ease;
}
.field select { font-family: var(--sans); font-size: .95rem; }
.field textarea { min-height: 148px; resize: vertical; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--text-3); }
.field input::placeholder, .field textarea::placeholder { color: var(--text-3); opacity: .8; }

.form-note { font-family: var(--mono); font-size: .78rem; color: var(--text-3); line-height: 1.7; }

.form-status {
  font-family: var(--mono);
  font-size: .82rem;
  line-height: 1.6;
  color: var(--accent);
  border-left: 2px solid var(--accent);
  padding-left: 13px;
}
.form-status--bad { color: var(--text); border-left-color: var(--text-3); }

.form button[type="submit"][disabled] { opacity: .6; cursor: progress; }

/* --------------------------------------------------------------------------
   17. Contact
   -------------------------------------------------------------------------- */

.contact-cards { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--rad); overflow: hidden; }
@media (min-width: 780px) { .contact-cards { grid-template-columns: repeat(3, 1fr); } }
.contact-card { background: var(--bg); padding: clamp(22px, 2.6vw, 30px); display: grid; gap: 10px; align-content: start; }
.contact-card h3 { font-size: 1.1rem; letter-spacing: -.015em; }
.contact-card p, .contact-card address { color: var(--text-2); font-style: normal; font-size: 1.01rem; }
.contact-card .mono { color: var(--text-3); }

/* --------------------------------------------------------------------------
   18. Closing call band
   -------------------------------------------------------------------------- */

.closer {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(90% 160% at 12% 0%, color-mix(in srgb, var(--accent) 13%, transparent), transparent 60%),
    var(--bg-2);
}
.closer-in {
  padding-block: clamp(50px, 6.5vw, 88px);
  display: grid;
  gap: 26px;
}
.closer h2 { font-size: var(--step-3); max-width: 18ch; }
.closer p { color: var(--text-2); max-width: 54ch; }
@media (min-width: 940px) {
  .closer-in { grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 26px 60px; }
  .closer .btn-row { justify-self: end; }
}

/* --------------------------------------------------------------------------
   19. Footer
   -------------------------------------------------------------------------- */

.footer { border-top: 1px solid var(--line); background: var(--bg); }
.footer-in { padding-block: clamp(42px, 5vw, 66px) 26px; display: grid; gap: 40px; }
@media (min-width: 900px) { .footer-in { grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 48px; } }

.footer-brand { display: grid; gap: 16px; align-content: start; }
.footer-brand p { color: var(--text-3); font-size: .98rem; max-width: 36ch; }

.footcol h4 {
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 15px;
}
.footcol ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footcol a {
  font-family: var(--sans);
  font-size: .95rem;
  font-weight: 500;
  color: var(--text-2);
  text-decoration: none;
}
.footcol a:hover { color: var(--accent); }
.footcol address { font-style: normal; color: var(--text-2); font-size: .95rem; line-height: 1.75; }

.footer-base {
  border-top: 1px solid var(--line);
  padding-block: 22px 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: .76rem;
  color: var(--text-3);
}

/* --------------------------------------------------------------------------
   20. Palette dock (review tool — see README to remove)
   -------------------------------------------------------------------------- */

.dock {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 150;
  font-family: var(--mono);
}
.dock-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--bg-2);
  color: var(--text);
  border: 1px solid var(--line-2);
  border-radius: 999px;
  padding: 9px 15px;
  font: inherit;
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 10px 30px var(--shade);
}
.dock-btn:hover { border-color: var(--accent); }
.dock-swatch { width: 12px; height: 12px; border-radius: 50%; background: var(--accent); flex: none; }

.dock-panel {
  display: none;
  position: absolute;
  right: 0;
  bottom: calc(100% + 10px);
  width: 268px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--rad);
  box-shadow: 0 20px 50px var(--shade);
  padding: 14px;
}
.dock[data-open="true"] .dock-panel { display: block; }

.dock-panel h5 {
  font-family: var(--mono);
  font-size: .66rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-3);
  margin: 0 0 10px;
}
.dock-panel h5 + h5 { margin-top: 18px; }

.dock-opt {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 2px;
  padding: 8px 9px;
  color: var(--text-2);
  font: inherit;
  font-size: .74rem;
  text-align: left;
  cursor: pointer;
}
.dock-opt:hover { background: var(--bg-3); color: var(--text); }
.dock-opt[aria-pressed="true"] { border-color: var(--accent); color: var(--text); }
.dock-chips { display: flex; gap: 3px; flex: none; }
.dock-chip { width: 11px; height: 20px; border-radius: 1px; }

.dock-modes { display: flex; gap: 6px; }
.dock-modes .dock-opt { justify-content: center; }

/* --------------------------------------------------------------------------
   21. Core values
   -------------------------------------------------------------------------- */

.values { display: grid; gap: 1px; background: var(--line); border-block: 1px solid var(--line); }
@media (min-width: 760px) { .values { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1140px) { .values { grid-template-columns: repeat(3, 1fr); } }

.value {
  background: var(--bg);
  padding: clamp(26px, 3vw, 38px);
  display: grid;
  gap: 16px;
  align-content: start;
}
.value-no {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.value h3 { font-size: var(--step-2); letter-spacing: -.028em; }
.value ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.value li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 13px;
  color: var(--text-2);
  font-size: 1.02rem;
  line-height: 1.6;
}
.value li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: .62em;
}
.value--lead {
  background: var(--bg-2);
  align-content: center;
}
.value--lead h3 { font-size: var(--step-3); }
.value--lead p { color: var(--text-2); }

.vstrip {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--rad);
  overflow: hidden;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}
.vstrip > div {
  background: var(--bg);
  padding: clamp(20px, 2.3vw, 26px);
  display: grid;
  gap: 9px;
  align-content: start;
}
.vstrip h3 { font-size: 1.18rem; letter-spacing: -.018em; }
.vstrip p { color: var(--text-2); font-size: .99rem; line-height: 1.6; }
.vstrip .value-no { font-size: .68rem; }

/* --------------------------------------------------------------------------
   22. Brand lockup plate
   -------------------------------------------------------------------------- */

.lockup {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #FFFFFF;
  border-radius: var(--rad);
  padding: 22px 34px;
  box-shadow: 0 14px 40px var(--shade);
}
.lockup img { width: 88px; height: auto; }
.lockup--sm { padding: 14px 20px; }
.lockup--sm img { width: 60px; }

.brand-strip {
  display: flex;
  align-items: center;
  gap: 26px;
  flex-wrap: wrap;
}
.brand-strip h3 { font-size: var(--step-2); letter-spacing: -.028em; max-width: 16ch; }
.brand-strip .mono { color: var(--text-3); }

/* --------------------------------------------------------------------------
   23. Markets
   -------------------------------------------------------------------------- */

.markets { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--rad); overflow: hidden; }
@media (min-width: 700px) { .markets { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .markets { grid-template-columns: repeat(4, 1fr); } }

.market { background: var(--bg); padding: clamp(20px, 2.4vw, 28px); display: grid; gap: 8px; align-content: start; }
.market h3 { font-size: 1.14rem; letter-spacing: -.018em; }
.market p { color: var(--text-2); font-size: 1rem; }
.market .stage {
  font-family: var(--mono);
  font-size: .71rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
}
.market--future .stage { color: var(--text-3); }

@media print { .dock, .masthead, .hero-canvas { display: none !important; } }