:root {

  --ground:        #0A0A0A;   
  --ground-panel:  #161515;   
  --ground-raise:  #1F1E1E;   

  --ground-hover:  #333332;   
  --ink:           #F0EDE6;   
  --ink-2:         #B6B4AF;   
  --ink-3:         #999792;   
  --accent:        #8FFFDF;   
  --rule:          #2A2A29;   
  --rule-strong:   #444341;   

  --ink-ghost:     #282827;   
  --amber:         #E8B14A;   

  --font-display: var(--font-body);
  --font-body:    "Public Sans", system-ui, sans-serif;

  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --chamfer: 8px;

  --wrap: 1200px;
  --gutter: clamp(20px, 4vw, 48px);
  --section-pad: clamp(72px, 9vw, 128px);
  --cell-pad: clamp(20px, 2.4vw, 32px);
}

.chamfer {
  clip-path: polygon(
    var(--chamfer) 0, 100% 0,
    100% calc(100% - var(--chamfer)), calc(100% - var(--chamfer)) 100%,
    0 100%, 0 var(--chamfer));
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("fonts/ibmplexmono-400.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("fonts/ibmplexmono-500.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}

@font-face {
  font-family: "Public Sans";
  src: url("fonts/publicsans-var.woff2") format("woff2");
  font-weight: 100 900; font-style: normal; font-display: swap;
}

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

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

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink-2);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--ink);
  font-weight: 600;   
  margin: 0;
  text-wrap: balance;
}

h1 { font-size: clamp(2.75rem, 7vw, 7rem);    line-height: 0.98; letter-spacing: -0.018em; }
h2 { font-size: clamp(2.25rem, 5vw, 4.5rem);  line-height: 1.02; letter-spacing: -0.015em; }
h3 { font-size: clamp(1.5rem, 2.4vw, 2rem);   line-height: 1.18; letter-spacing: -0.008em; }

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--ink); text-decoration-thickness: 1px; text-underline-offset: 0.22em; }
a:hover { color: var(--accent); }

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
  clip-path: none;   
}

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

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 40;
  background: var(--ink); color: var(--ground);
  padding: 12px 20px; font-weight: 700; text-decoration: none;
}
.skip:focus { left: 0; }

.skip:hover { color: var(--ground); }

.masthead {
  position: sticky; top: 0; z-index: 30;
  background: var(--ground);
  border-bottom: 1px solid var(--rule);
}
.masthead .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; min-height: 68px;
}

.brand {
  display: inline-flex; align-items: center; gap: 12px;
  
  min-height: 44px;
  color: var(--ink); text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase;
}
.brand__mark {
  width: 22px; height: 22px; flex: none;
  background: var(--ink);
  -webkit-mask: url("assets/nebula-mark.svg") center / contain no-repeat;
  mask: url("assets/nebula-mark.svg") center / contain no-repeat;
}
.brand:hover { color: var(--accent); }
.brand:hover .brand__mark { background: var(--accent); }

.nav { display: flex; gap: 28px; }
.nav a {
  color: var(--ink-3); text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase;
}
.nav a:hover { color: var(--ink); }

.section { padding-block: var(--section-pad); border-top: 1px solid var(--rule); }

.section[id] { scroll-margin-top: 84px; }

.wrap > .section:first-child { border-top: 0; }

.rail { max-width: 46rem; margin-bottom: clamp(36px, 4vw, 56px); }
.rail h2 { margin-bottom: 0; }
.section-lede {
  margin-top: 1.2rem; margin-bottom: 0;
  font-size: clamp(1.0625rem, 1.4vw, 1.25rem);
  color: var(--ink-2); max-width: 40rem;
}

.lede {
  font-size: clamp(1.0625rem, 1.4vw, 1.25rem);
  color: var(--ink);
  max-width: 44rem;
}

.colspan > :last-child { margin-bottom: 0; }

.hero { padding-block: clamp(56px, 7vw, 104px) clamp(48px, 6vw, 88px); }
.hero h1 { font-size: clamp(2.5rem, 4.6vw, 4.5rem); }
.hero h1 em { font-style: normal; color: var(--accent); }

.hero .standfirst {
  font-size: clamp(1.0625rem, 1.5vw, 1.3125rem);
  color: var(--ink-2);
  max-width: 34rem;
  margin-top: clamp(32px, 4vw, 56px);   
}

.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: clamp(24px, 3vw, 36px); }

.hero-band { position: relative; overflow: hidden; }
.hero-band > .wrap { position: relative; z-index: 1; }
.hero-band::before {
  content: "";
  position: absolute; z-index: 0;
  top: 50%; right: -5%;
  translate: 0 -50%;
  width: min(56vw, 760px);
  aspect-ratio: 2048 / 1959;
  background: var(--ink-ghost);
  -webkit-mask: url("assets/nebula-mark.svg") center / contain no-repeat;
  mask: url("assets/nebula-mark.svg") center / contain no-repeat;
  pointer-events: none;
}

.strip {
  border-block: 1px solid var(--rule);
  background: var(--ground-panel);
}
.strip ul {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, 1fr);
}
.strip li {
  padding: 16px 20px;
  border-left: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-2);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.strip li:first-child { border-left: 0; padding-left: 0; }
.strip li:last-child { padding-right: 0; }

.btn, .btn-quiet {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 14px 30px;
  font-family: var(--font-mono);
  font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase;
  font-weight: 500;   
  text-decoration: none; cursor: pointer;
  border: 1px solid transparent;
  transition: background-color .15s, color .15s, border-color .15s;
}
.btn { background: var(--accent); color: var(--ground); }
.btn:hover { background: var(--ink); color: var(--ground); }

.btn-quiet { background: transparent; color: var(--ink); border-color: var(--rule-strong); }
.btn-quiet:hover { color: var(--accent); border-color: var(--accent); }

.cells {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.cell {
  background: var(--ground-panel);
  padding: var(--cell-pad);
  display: flex; flex-direction: column; gap: 14px;
}
.cell__n {
  font-family: var(--font-mono);
  font-size: 0.7rem; letter-spacing: 0.15em;
  color: var(--accent);
}
.cell p { color: var(--ink-2); }

.dia {
  position: relative;
  margin-bottom: clamp(36px, 4vw, 56px);
  padding: clamp(40px, 5vw, 80px) clamp(20px, 3vw, 48px);
  border: 1px solid var(--rule);
  background:
    repeating-linear-gradient(to right, var(--rule) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(to bottom, var(--rule) 0 1px, transparent 1px 64px),
    var(--ground);
  background-position: center;
  overflow: hidden;
}
.dia::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(120% 90% at 50% 50%, transparent 32%, var(--ground) 90%);
}

.dia__grid {
  position: relative;
  max-width: 940px;
  margin-inline: auto;
  display: grid;
  grid-template-columns:
    minmax(0, 1fr) clamp(40px, 6vw, 72px) minmax(0, 1.1fr) clamp(40px, 6vw, 72px) minmax(0, 1fr);
  grid-template-rows: auto clamp(40px, 5vw, 64px) auto clamp(40px, 5vw, 64px) auto;
  grid-template-areas:
    ".  .  n1  .  ."
    ".  .  w1  .  ."
    "n2 w2 hub w3 n3"
    ".  .  w4  .  ."
    ".  .  n4  .  .";
}

.dia__hub {
  grid-area: hub;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  padding: clamp(24px, 2.6vw, 36px) clamp(18px, 2vw, 28px);
  border: 1px solid var(--accent);
  background: var(--ground);
  text-align: center;
}
.dia__hub-mark {
  width: 30px; flex: none;
  aspect-ratio: 2048 / 1959;   
  background: var(--ink);
  -webkit-mask: url("assets/nebula-mark.svg") center / contain no-repeat;
  mask: url("assets/nebula-mark.svg") center / contain no-repeat;
}
.dia__hub-name {
  font-family: var(--font-mono);
  font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink);
}

.dia__node {
  display: flex; flex-direction: column; gap: 8px;
  padding: clamp(14px, 1.6vw, 22px) clamp(14px, 1.4vw, 18px);
  min-height: 104px;
  border: 1px solid var(--rule-strong);
  background: var(--ground-panel);
  text-align: center;
}
.dia__node--1 { grid-area: n1; }
.dia__node--4 { grid-area: n4; }

.dia__node--2 { grid-area: n2; align-self: center; }
.dia__node--3 { grid-area: n3; align-self: center; }

.dia__label {
  font-family: var(--font-mono);
  font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent);
}
.dia__name {
  font-family: var(--font-display);
  font-weight: 600; font-size: clamp(0.95rem, 1.15vw, 1.125rem); line-height: 1.2;
  letter-spacing: -0.005em; color: var(--ink);
}
.dia__sub {
  margin-top: auto; padding-top: 10px;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 0.62rem; letter-spacing: 0.12em;
  color: var(--ink-3);
}

.dia__wire { position: relative; display: block; }
.dia__wire--1 { grid-area: w1; }
.dia__wire--2 { grid-area: w2; }
.dia__wire--3 { grid-area: w3; }
.dia__wire--4 { grid-area: w4; }

.dia__wire::before {
  content: ""; position: absolute;
  left: 50%; top: 0; bottom: 0; width: 1px;
  background: var(--rule-strong);
}
.dia__wire::after {
  content: ""; position: absolute;
  left: 50%; top: 0;
  width: 7px; height: 7px; margin: -3px 0 0 -3px;
  background: var(--accent);
  animation: dia-in-down 3.2s linear infinite;
}

.dia__wire--1::after { animation-delay: 0s; }
.dia__wire--4::after { animation-name: dia-in-up; animation-delay: 2.4s; }
.dia__wire--2::before, .dia__wire--3::before {
  left: 0; right: 0; top: 50%; bottom: auto; width: auto; height: 1px;
}
.dia__wire--2::after, .dia__wire--3::after { top: 50%; }
.dia__wire--2::after { left: 0;    animation-name: dia-in-right; animation-delay: .8s; }
.dia__wire--3::after { left: 100%; animation-name: dia-in-left;  animation-delay: 1.6s; }

@keyframes dia-in-down  { from { top: 0; }     to { top: 100%; } }
@keyframes dia-in-up    { from { top: 100%; }  to { top: 0; } }
@keyframes dia-in-right { from { left: 0; }    to { left: 100%; } }
@keyframes dia-in-left  { from { left: 100%; } to { left: 0; } }

.strata { display: grid; gap: 20px; }
@media (min-width: 1100px) { .strata { grid-template-columns: 1fr 1fr; } }

.stratum {
  border: 1px solid var(--rule);
  background: var(--ground-panel);
  padding: var(--cell-pad);
  display: flex; flex-direction: column; gap: 16px;
}
.stratum__rail {
  display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap;
  min-height: 1.4em;   
}
.stratum__label {
  font-family: var(--font-mono);
  font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent);
}
.flag {
  font-family: var(--font-mono);
  font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ground); background: var(--ink);
  padding: 3px 8px;
}
.stratum__body { display: flex; flex-direction: column; gap: 14px; }
.stratum__body h3 { margin: 0; }
.stratum p { color: var(--ink-2); margin: 0; }

.stratum__link {
  align-self: flex-start; margin-top: 4px;
  display: inline-flex; align-items: center;
  min-height: 44px; min-width: 44px;
  font-family: var(--font-mono);
  font-size: 0.68rem; letter-spacing: 0.06em;
  color: var(--accent);
}

@media (hover: hover) {
  .cell, .dia__node, .dia__hub, .stratum { transition: background-color .15s; }
  .cell:hover, .dia__node:hover, .dia__hub:hover, .stratum:hover { background: var(--ground-hover); }
}

.company-grid { display: grid; gap: clamp(24px, 3vw, 48px); }
@media (min-width: 900px) { .company-grid { grid-template-columns: 1.2fr 1fr; } }

.address {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.72rem; line-height: 2; letter-spacing: 0.06em;
  color: var(--ink-2);
  padding-left: 20px;
  border-left: 1px solid var(--rule-strong);
}

.sup {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.sup > li {
  background: var(--ground);
  padding: clamp(24px, 2.8vw, 40px) var(--cell-pad);
  display: flex; flex-direction: column; align-items: flex-start; gap: 14px;
}

.sup__tag {
  --chamfer: 5px;
  display: inline-flex; align-items: center; gap: 8px;
  margin: 0; padding: 10px 14px;
  border: 1px solid var(--accent);
  font-family: var(--font-mono);
  font-size: 0.65rem; letter-spacing: 0.14em; font-weight: 500;
  color: var(--accent);
}
.sup__icon { width: 14px; height: 14px; flex: none; }

.sup h3 { font-size: clamp(1.25rem, 1.9vw, 1.55rem); margin: 0; }
.sup p:not(.sup__tag) { color: var(--ink-2); font-size: 0.95rem; margin: 0; }

form { max-width: 40rem; margin-top: clamp(28px, 3vw, 40px); }

.form-note { font-size: 0.9rem; color: var(--ink-2); }

.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.field label {
  font-family: var(--font-mono);
  font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink);
}
.field input, .field textarea {
  font: inherit; font-size: 1rem;
  color: var(--ink);
  background: var(--ground-raise);
  border: 1px solid var(--rule-strong);
  padding: 12px 14px;
  width: 100%;
  min-height: 48px;
  appearance: none;   
}
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus-visible, .field textarea:focus-visible { border-color: var(--accent); }

.hp { position: absolute; left: -9999px; }

.privacy-note { margin-top: 18px; font-size: 0.9rem; color: var(--ink-2); }

.form-status {
  margin-top: 20px;
  min-height: 101px;   
  padding: 14px 16px;
  background: var(--ground-raise);
  color: var(--ink);
  font-size: 0.95rem;
}
.form-status:empty { padding: 0; background: none; }

.cta {
  border-top: 1px solid var(--rule);
  padding-block: clamp(56px, 7vw, 104px);
  text-align: center;
}
.cta .btn { font-size: 0.85rem; padding: 20px 42px; min-height: 60px; }

.foot {
  border-top: 1px solid var(--rule);
  background: var(--ground-panel);
  padding-block: clamp(40px, 5vw, 72px);
  font-size: 0.9rem;
}

.foot__top {
  display: grid;
  gap: clamp(32px, 4vw, 56px);
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1fr);
}

.foot__mark {
  display: block; width: 36px;
  aspect-ratio: 2048 / 1959;   
  background: var(--ink);
  -webkit-mask: url("assets/nebula-mark.svg") center / contain no-repeat;
  mask: url("assets/nebula-mark.svg") center / contain no-repeat;
  margin-bottom: 20px;
}

.foot__contact { color: var(--ink-2); font-size: 0.9375rem; max-width: 26rem; margin: 0; }
.foot__contact a { color: var(--ink); }
.foot__contact a:hover { color: var(--accent); }

.foot__head {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-3);
}

.foot__col ul { list-style: none; margin: 0; padding: 0; }
.foot__col li { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.foot__col a {
  display: inline-flex; align-items: center;
  
  min-height: 44px; min-width: 44px;
  font-size: 0.875rem;
  color: var(--ink); text-decoration: none;
}
.foot__col a:hover { color: var(--accent); }

.foot__base {
  display: flex; flex-wrap: wrap; gap: 8px 24px;
  justify-content: space-between; align-items: center;
  margin-top: clamp(36px, 4vw, 56px);
  padding-top: clamp(18px, 2.2vw, 26px);
  border-top: 1px solid var(--rule);
}
.foot__legal {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-3);
}

.foot__ternia {
  
  display: inline-flex; align-items: center; min-height: 44px; min-width: 44px;
  font-family: var(--font-mono);
  font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink); text-decoration: none;
}
.foot__ternia:hover { color: var(--accent); }

.legal .rail { max-width: none; }
.legal .colspan { max-width: 46rem; }
.legal .kicker {
  font-family: var(--font-mono);
  font-size: 0.65rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.legal h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
.legal .docmeta {
  margin-top: 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem; letter-spacing: 0.08em;
  color: var(--ink-3);
}
.legal h2 {
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  margin-top: 2.6em; margin-bottom: 0.7em;
  padding-top: 1.4em;
  border-top: 1px solid var(--rule);
}
.legal .colspan > h2:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.legal h3 { font-size: 1.05rem; margin-top: 2em; margin-bottom: 0.6em; }
.legal ul, .legal ol { padding-left: 1.2em; margin: 0 0 1.1em; }
.legal li { margin-bottom: 0.5em; }
.legal .clause { scroll-margin-top: 84px; }
.legal .address { margin: 1.4em 0; }

.gap {
  display: inline-block;
  background: var(--amber); color: #000;
  font-family: var(--font-mono);
  font-size: 0.7rem; letter-spacing: 0.04em;
  padding: 2px 8px; text-transform: none;
}

@media (max-width: 1000px) {
  
  .dia__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: auto clamp(32px, 4vw, 48px) auto clamp(32px, 4vw, 48px) auto;
    grid-template-areas:
      "n1  n2"
      "w1  w2"
      "hub hub"
      "w3  w4"
      "n3  n4";
    column-gap: clamp(12px, 2vw, 20px);
  }
  
  .dia__node--2, .dia__node--3 { align-self: stretch; }

  .dia__wire--2::before, .dia__wire--3::before {
    left: 50%; right: auto; top: 0; bottom: 0; width: 1px; height: auto;
  }
  .dia__wire--2::after, .dia__wire--3::after { left: 50%; }
  .dia__wire--2::after { top: 0;    animation-name: dia-in-down; }
  .dia__wire--3::after { top: 100%; animation-name: dia-in-up; }
}

@media (max-width: 760px) {
  
  .foot__top { grid-template-columns: 1fr; gap: clamp(28px, 5vw, 40px); }

  .hero-band::before { width: min(70vw, 340px); right: -22%; }

  .strip li { white-space: normal; }

  .nav { gap: 8px; }
  .nav a {
    min-height: 44px; min-width: 44px;
    display: flex; align-items: center; justify-content: center;
  }
  .masthead .wrap { flex-wrap: wrap; padding-block: 8px; }
}

@media (max-width: 760px) {
  .strip ul { grid-template-columns: 1fr; }
  
  .strip li { border-left: 0; padding-inline: 0; }
  .strip li + li { border-top: 1px solid var(--rule); }
}

@media (max-width: 420px) {
  
  .brand__name { display: none; }
  .brand { min-height: 44px; min-width: 44px; justify-content: center; }

  .dia__grid {
    grid-template-columns: 1fr;
    grid-template-rows: none;
    grid-template-areas: "hub" "n1" "n2" "n3" "n4";
    row-gap: 12px;
  }
  .dia__wire { display: none; }
  .dia__node--2, .dia__node--3 { align-self: stretch; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 0.01ms !important; }

  .dia__wire::after { animation: none; top: 50%; left: 50%; }
}