/* Deep Heap — shared tokens + inner-page rules.
   Landing (index.html) keeps its own inline <style>. Do not drift these tokens. */

@import url("https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=DM+Sans:wght@400;600;700&family=Playfair+Display:ital,wght@0,600;0,700;1,600&display=swap");

:root {
  --black: #0b0b0e;
  --cta: #0b0b0d;
  --grey: #242329;
  --purple: #3b1fde;
  --sand: #fff9e5;
  --white: #fff;
  --muted: #5b5962;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: #fff;
  color: var(--black);
  font-family: "DM Sans", sans-serif;
}

.wrap { width: min(1180px, calc(100% - 48px)); margin: auto; }
a { color: inherit; text-decoration: none; }

/* ----- ticker / header / chrome (from live landing) ----- */
.ticker {
  height: 35px;
  background: var(--sand);
  overflow: hidden;
  white-space: nowrap;
  border-bottom: 1px solid var(--black);
}
.ticker div {
  font: 500 11px/35px "DM Mono", monospace;
  letter-spacing: .14em;
  animation: m 22s linear infinite;
  min-width: 160%;
}
@keyframes m { to { transform: translateX(-25%); } }

.wrap > header {
  height: 80px;
  border-bottom: 1px solid #d7d7d7;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand { font-size: 20px; font-weight: 700; letter-spacing: -.07em; }
.brand:before {
  content: "▪▪▪";
  color: var(--purple);
  letter-spacing: 2px;
  margin-right: 12px;
}

nav {
  display: flex;
  gap: 25px;
  align-items: center;
  font: 500 11px "DM Mono", monospace;
  text-transform: uppercase;
  letter-spacing: .1em;
}
nav a.is-here { color: var(--purple); }

button.btn {
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  margin: 0;
  font-family: "DM Mono", monospace;
}

.btn,
.subscribe button.btn {
  display: inline-block;
  padding: 13px 18px;
  border: 1px solid var(--black);
  background: var(--purple);
  color: #fff;
  font: 500 11px "DM Mono", monospace;
  text-transform: uppercase;
  letter-spacing: .08em;
  line-height: 1.2;
}

.btn.sand { background: var(--sand); color: var(--black); }

.nav-toggle {
  display: none;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  margin: 0;
  padding: 13px 18px;
  border: 1px solid var(--black);
  background: var(--sand);
  color: var(--black);
  font: 500 11px "DM Mono", monospace;
  text-transform: uppercase;
  letter-spacing: .08em;
  line-height: 1.2;
}

.tag {
  font: 500 11px "DM Mono", monospace;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--purple);
}

h1 {
  margin: 20px 0 25px;
  font: 600 clamp(4.4rem, 9vw, 9rem) / .78 "Playfair Display", serif;
  letter-spacing: -.09em;
}
h1 em { display: block; color: var(--purple); }

h2 {
  margin: 0 0 16px;
  font: 600 clamp(2.2rem, 4.8vw, 4.2rem) / 1.08 "Playfair Display", serif;
  letter-spacing: -.06em;
}
h2 em { color: var(--purple); }
.dark h2 em,
.subscribe h2 em,
.room-band.ink h2 em,
.room-band.slate h2 em { color: var(--sand); }

.intro { max-width: 530px; font-size: 20px; line-height: 1.43; }

.art {
  min-height: 405px;
  aspect-ratio: .9;
  position: relative;
  overflow: hidden;
  background-color: #0b0b0d;
  background-image:
    radial-gradient(circle at 74% 22%, rgba(36, 35, 41, .95) 0 12%, transparent 42%),
    linear-gradient(135deg, #0b0b0d 0%, #16151a 52%, #242329 100%),
    repeating-linear-gradient(90deg, transparent 0 38px, rgba(253, 251, 244, .12) 39px 40px),
    repeating-linear-gradient(0deg, transparent 0 38px, rgba(253, 251, 244, .12) 39px 40px);
}
.ring {
  position: absolute;
  left: 12%;
  top: 12%;
  width: 76%;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid var(--sand);
  box-shadow: 0 0 0 46px rgba(253, 251, 244, .08), 0 0 0 92px rgba(253, 251, 244, .035);
}
.ring:before,
.ring:after { content: ""; position: absolute; border-radius: 50%; }
.ring:before { inset: 17%; border: 1px solid var(--sand); }
.ring:after {
  inset: 34%;
  background: var(--sand);
  box-shadow: 0 0 42px rgba(253, 251, 244, .76);
}
.scan {
  position: absolute;
  left: 0;
  right: 0;
  top: 57%;
  height: 2px;
  background: var(--sand);
  box-shadow: 0 0 20px 6px rgba(253, 251, 244, .55);
  animation: scan 4s ease-in-out infinite;
}
@keyframes scan { 50% { transform: translateY(108px); } }
.art p {
  position: absolute;
  bottom: 18px;
  left: 18px;
  color: #fff;
  font: 10px / 1.4 "DM Mono", monospace;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.dark { padding: 92px 0; background: var(--black); color: #fff; }
.darkgrid { display: grid; grid-template-columns: .45fr 1fr; gap: 60px; }
.dark .tag { color: var(--sand); }
.copy { max-width: 660px; font-size: 20px; line-height: 1.48; }

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 44px;
  border-top: 1px solid #515056;
}
.stat { padding: 20px; border-right: 1px solid #515056; }
.stat:last-child { border-right: 0; }
.stat b { display: block; color: var(--sand); font: 600 42px "Playfair Display", serif; }
.stat span { font: 10px "DM Mono", monospace; color: #d5d1d1; text-transform: uppercase; }

.latest { padding: 88px 0; }
.head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  border-bottom: 2px solid var(--black);
  padding-bottom: 24px;
  margin-bottom: 8px;
}
.head h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.05;
}
.head p { max-width: 340px; margin: 8px 0 0; line-height: 1.45; }

.feature {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  border-bottom: 1px solid var(--black);
}
.feature-copy { padding: 45px 50px 45px 0; }
.feature h3 {
  font: 600 clamp(1.8rem, 3.4vw, 3.2rem) / 1.08 "Playfair Display", serif;
  letter-spacing: -.05em;
  margin: 12px 0 18px;
}

.map {
  min-height: 330px;
  background: var(--sand);
  position: relative;
}
.map:before {
  content: "";
  position: absolute;
  inset: 23px;
  border: 1px solid var(--purple);
  background:
    linear-gradient(25deg, transparent 49%, var(--purple) 50%, transparent 51%),
    linear-gradient(-35deg, transparent 49%, var(--purple) 50%, transparent 51%);
}

.subscribe { padding: 90px 0; background: #000; color: #fff; }
.subgrid {
  display: grid;
  grid-template-columns: 1fr .8fr;
  gap: 70px;
  align-items: end;
}
.subscribe .tag { color: var(--sand); }
.subscribe h2 { font-size: clamp(3rem, 6vw, 6rem); }
.subscribe h2 em { color: var(--sand); }
.subscribe p { font-size: 18px; line-height: 1.45; color: #e9e8e9; }

form { display: flex; gap: 8px; margin-top: 25px; }
input {
  flex: 1;
  padding: 13px;
  border: 1px solid var(--sand);
  font: 12px "DM Mono", monospace;
  background: #fff;
  color: var(--black);
}

footer { padding: 28px 0; background: var(--grey); color: #fff; }
.foot {
  display: flex;
  justify-content: space-between;
  font: 10px "DM Mono", monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
  gap: 16px;
  align-items: center;
}
.foot a { border-bottom: 1px solid transparent; }
.foot a:hover { border-bottom-color: var(--sand); }

/* ----- inner pages only ----- */
.page-head {
  display: block;
  height: auto;
  padding: 72px 0 56px;
  border-bottom: 1px solid #d7d7d7;
}
.page-head h1 {
  display: block;
  margin: 18px 0 24px;
  max-width: 16ch;
  font: 600 clamp(2.6rem, 6vw, 5.2rem) / 1.05 "Playfair Display", serif;
  letter-spacing: -.07em;
}
.page-head h1 em { display: inline; color: var(--purple); font-style: italic; }
.page-head .lede {
  max-width: 560px;
  font-size: 20px;
  line-height: 1.5;
  margin: 0;
}

.page-head.split {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-head.split .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.13fr) minmax(0, .87fr);
  gap: 48px 56px;
  align-items: start;
  padding-bottom: 56px;
  border-bottom: 1px solid #d7d7d7;
}
.page-head.split h1 { max-width: 12ch; }
.art.compact { min-height: 280px; max-height: 340px; aspect-ratio: auto; }

.chapter { padding: 88px 0; }
.chapter + .chapter { padding-top: 0; }

.issue-row {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  border-bottom: 1px solid var(--black);
}
.issue-row .feature-copy { padding: 40px 40px 40px 0; }
.issue-row h3 {
  font: 600 clamp(1.8rem, 3.4vw, 3.2rem) / .95 "Playfair Display", serif;
  letter-spacing: -.05em;
  margin: 10px 0 14px;
}
.issue-row p { font-size: 17px; line-height: 1.5; max-width: 520px; }
.issue-row .keys {
  margin-top: 18px;
  font: 10px "DM Mono", monospace;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}

.map.alt:before {
  background:
    repeating-linear-gradient(90deg, transparent 0 28px, rgba(59, 31, 222, .35) 29px 30px),
    repeating-linear-gradient(0deg, transparent 0 28px, rgba(59, 31, 222, .35) 29px 30px);
}
.map.ringed { background: #0b0b0d; }
.map.ringed:before { display: none; }
.map.ringed .ring {
  left: 18%;
  top: 14%;
  width: 64%;
  box-shadow: 0 0 0 28px rgba(253, 251, 244, .08), 0 0 0 56px rgba(253, 251, 244, .035);
}

.room-band { padding: 80px 0 36px; }
.room-band + .wrap { padding-top: 0; padding-bottom: 48px; }
.wrap > .card-grid,
.wrap > .layer-grid { margin-bottom: 8px; }
.room-band .lede { max-width: 520px; font-size: 18px; line-height: 1.45; margin: 16px 0 0; }
.room-band.ink { background: var(--black); color: #fff; }
.room-band.ink .tag { color: var(--sand); }
.room-band.ink h2 em { color: var(--sand); }
.room-band.field { background: var(--sand); }
.room-band.field h2 em { color: var(--purple); }
.room-band.slate { background: var(--grey); color: #fff; }
.room-band.slate .tag { color: var(--sand); }
.room-band.slate h2 em { color: var(--sand); }

.card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--black);
  border-left: 1px solid var(--black);
}
.named-card {
  padding: 32px 28px 36px;
  border-right: 1px solid var(--black);
  border-bottom: 1px solid var(--black);
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 28px;
}
.named-card .meta {
  font: 10px "DM Mono", monospace;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--purple);
  margin: 0;
}
.named-card h3 {
  margin: 0 0 10px;
  font: 600 clamp(1.6rem, 2.6vw, 2.2rem) / 1.05 "Playfair Display", serif;
  letter-spacing: -.04em;
}
.named-card p { margin: 0; font-size: 16px; line-height: 1.45; }

.layer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--black);
  border-left: 1px solid var(--black);
}
.layer-card {
  padding: 0;
  border-right: 1px solid var(--black);
  border-bottom: 1px solid var(--black);
  display: flex;
  flex-direction: column;
}
.layer-card.span { grid-column: 1 / -1; }
.layer-art {
  height: 140px;
  position: relative;
  overflow: hidden;
}
.layer-art.ai {
  background: var(--sand);
}
.layer-art.ai:before {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid var(--purple);
  background:
    linear-gradient(25deg, transparent 49%, var(--purple) 50%, transparent 51%),
    linear-gradient(-35deg, transparent 49%, var(--purple) 50%, transparent 51%);
}
.layer-art.compute {
  background-color: #0b0b0d;
  background-image:
    repeating-linear-gradient(90deg, transparent 0 28px, rgba(253, 251, 244, .12) 29px 30px),
    repeating-linear-gradient(0deg, transparent 0 28px, rgba(253, 251, 244, .12) 29px 30px);
}
.layer-art.compute:before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 86px;
  height: 86px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid var(--sand);
  box-shadow: 0 0 0 18px rgba(253, 251, 244, .08), inset 0 0 0 22px #0b0b0d, inset 0 0 0 40px var(--sand);
}
.layer-art.robotics {
  background: var(--sand);
}
.layer-art.robotics:before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, transparent 0 22px, rgba(59, 31, 222, .28) 23px 24px),
    repeating-linear-gradient(0deg, transparent 0 22px, rgba(59, 31, 222, .28) 23px 24px);
}
.layer-art.energy {
  background: #0b0b0d;
}
.layer-art.energy:before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  background: var(--sand);
  box-shadow: 0 0 16px 4px rgba(253, 251, 244, .5);
}
.layer-art.energy:after {
  content: "";
  position: absolute;
  left: 18%;
  top: 18%;
  width: 64%;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid var(--sand);
}
.layer-art.institutions {
  background: var(--sand);
}
.layer-art.institutions:before,
.layer-art.institutions:after {
  content: "";
  position: absolute;
  border: 1px solid var(--purple);
}
.layer-art.institutions:before { inset: 22px; }
.layer-art.institutions:after { inset: 42px; }

.layer-copy { padding: 28px 28px 34px; }
.layer-copy h3 {
  margin: 0 0 10px;
  font: 600 clamp(1.7rem, 2.8vw, 2.4rem) / 1.05 "Playfair Display", serif;
  letter-spacing: -.04em;
}
.layer-copy p { margin: 0; font-size: 16px; line-height: 1.5; }

.prose { max-width: 660px; font-size: 20px; line-height: 1.48; }
.prose p { margin: 0 0 1.1em; }
.prose p:last-child { margin-bottom: 0; }

.principles {
  list-style: none;
  padding: 0;
  margin: 36px 0 0;
}
.principles li {
  border-top: 1px solid #d7d7d7;
  padding: 28px 0;
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 20px;
}
.principles .n {
  font: 600 28px "Playfair Display", serif;
  color: var(--purple);
}
.principles h3 {
  margin: 0 0 8px;
  font: 600 26px / 1.15 "Playfair Display", serif;
  letter-spacing: -.03em;
}
.principles p { margin: 0; font-size: 17px; line-height: 1.5; }

.note {
  margin-top: 18px;
  font: 11px "DM Mono", monospace;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: #b8b6bc;
}

@media (max-width: 760px) {
  .wrap { width: min(100% - 32px, 1180px); }
  .nav-toggle { display: inline-block; }
  nav { display: none; }
  .wrap > header.is-open {
    height: auto;
    flex-wrap: wrap;
    padding: 16px 0;
  }
  .wrap > header.is-open nav {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: 16px;
    padding: 12px 0 6px;
  }
  .page-head.split .hero-grid,
  .darkgrid,
  .feature,
  .issue-row,
  .subgrid,
  .card-grid,
  .layer-grid { grid-template-columns: 1fr; }
  .art { margin-top: 15px; }
  .art.compact { min-height: 220px; }
  .dark, .subscribe { padding: 65px 0; }
  .darkgrid { gap: 25px; }
  .stats { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid #515056; }
  .latest, .chapter { padding: 65px 0; }
  .feature-copy, .issue-row .feature-copy { padding-right: 0; }
  .subgrid { gap: 20px; }
  form { flex-direction: column; }
  .foot { flex-direction: column; gap: 12px; align-items: flex-start; }
  .principles li { grid-template-columns: 1fr; gap: 8px; }
  .map { min-height: 220px; }
  .layer-card.span { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  .ticker div, .scan { animation: none; }
}


/* ----- issue article + contact ----- */
.issue-article { padding: 56px 0 40px; max-width: 760px; font-size: 18px; line-height: 1.65; }
.issue-article h1 { display: none; }
.issue-article h2 {
  margin: 2.4rem 0 .8rem;
  font: 600 clamp(1.5rem, 3vw, 2rem) / 1.15 "Playfair Display", serif;
  letter-spacing: -.03em;
}
.issue-article h3 {
  margin: 1.6rem 0 .5rem;
  font: 600 1.2rem / 1.25 "Playfair Display", serif;
  color: var(--purple);
}
.issue-article p { margin: 0 0 1.05em; }
.issue-article a { color: var(--purple); border-bottom: 1px solid rgba(59,31,222,.35); }
.issue-article ul, .issue-article ol { margin: 0 0 1.2em; padding-left: 1.2em; }
.issue-article li { margin: 0 0 .45em; }
.issue-article blockquote {
  margin: 1.4em 0; padding: 0 0 0 1.1em;
  border-left: 2px solid var(--purple); color: var(--muted); font-style: italic;
}
.issue-article .factory {
  margin: 2.4rem 0; padding: 1.5rem 1.4rem;
  background: var(--sand); border: 1px solid var(--black);
}
.issue-article .factory .fk, .issue-article .cta .fk {
  font: 500 10px "DM Mono", monospace; letter-spacing: .16em; text-transform: uppercase; color: var(--purple); margin: 0 0 .6rem;
}
.issue-article .cta { margin: 2.4rem 0; padding: 1.8rem 1.4rem; background: var(--black); color: #fff; }
.issue-article .cta h2 em { color: var(--sand); }
.issue-article .cta a.btn { color: #fff; border-color: var(--sand); }
.issue-pager {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 28px 0 72px; border-top: 1px solid #d7d7d7;
  font: 500 11px "DM Mono", monospace; letter-spacing: .1em; text-transform: uppercase;
}
.issue-pager a { color: var(--purple); }
.issue-row h3 a:hover { color: var(--purple); }
.issue-row .read { margin-top: 18px; display: inline-block; font: 500 11px "DM Mono", monospace; letter-spacing: .1em; text-transform: uppercase; color: var(--purple); }

.contact-wrap {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start;
  padding: 72px 0 100px;
}
.contact-wrap .rule { border: 0; border-top: 1px solid var(--black); margin: 28px 0; }
.contact-form { display: grid; gap: 18px; margin: 0; }
.contact-form .field { display: flex; flex-direction: column; gap: 8px; }
.contact-form label {
  font: 500 11px "DM Mono", monospace; letter-spacing: .12em; text-transform: uppercase; color: var(--purple);
}
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; padding: 13px; border: 1px solid var(--black);
  font: 14px "DM Sans", sans-serif; background: #fff; color: var(--black); flex: none;
}
.contact-form textarea { min-height: 96px; resize: vertical; }
.form-actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.form-note { margin: 0; font: 11px "DM Mono", monospace; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.mail-fallback { margin: 8px 0 0; font-size: 15px; }
.mail-fallback a { color: var(--purple); border-bottom: 1px solid rgba(59,31,222,.35); }
@media (max-width: 760px) {
  .contact-wrap { grid-template-columns: 1fr; gap: 36px; padding: 48px 0 72px; }
}