:root {
  --ink: #050505;
  --muted: #666;
  --line: #e7e7e7;
  --soft: #f7f7f7;
  --purple: #5a1dff;
  --purple-dark: #3d00d6;
  --max: 1440px;
  --pad: clamp(22px, 5vw, 84px);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: #fff;
}

body {
  margin: 0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: #fff;
  text-rendering: geometricPrecision;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 210px 1fr auto auto;
  align-items: center;
  gap: 28px;
  min-height: 82px;
  padding: 0 var(--pad);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-grid;
  gap: 5px;
  width: fit-content;
  line-height: 1;
}

.brand-word {
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 7px;
}

.brand-word span {
  color: var(--purple);
}

.brand-sub {
  justify-self: center;
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 9px;
  color: #111;
}

.main-nav,
.footer nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(22px, 3vw, 48px);
  font-size: 13px;
  font-weight: 600;
}

.main-nav a,
.footer a {
  transition: color 180ms ease;
}

.main-nav a:hover,
.footer a:hover {
  color: var(--purple);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: var(--ink);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.header-cta:hover,
.button:hover {
  transform: translateY(-1px);
  background: var(--purple);
  border-color: var(--purple);
}

.button.secondary {
  background: #fff;
  color: var(--ink);
}

.button.secondary:hover {
  color: #fff;
}

.button.text {
  justify-content: flex-start;
  min-height: auto;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--purple);
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  padding: 10px;
}

.menu-button span {
  display: block;
  height: 2px;
  margin: 7px 0;
  background: var(--ink);
}

.section {
  border-bottom: 1px solid var(--line);
  padding: clamp(58px, 8vw, 118px) var(--pad);
}

.section.tight {
  padding-top: clamp(36px, 5vw, 70px);
  padding-bottom: clamp(36px, 5vw, 70px);
}

.section-inner {
  max-width: var(--max);
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 28px;
  color: var(--purple);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  overflow-wrap: break-word;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  min-height: calc(100vh - 82px);
  padding: clamp(42px, 5vw, 84px) var(--pad) 0;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.hero-content {
  max-width: 680px;
  align-self: center;
}

.hero h1,
.page-hero h1 {
  margin-bottom: 24px;
  font-size: clamp(44px, 5.8vw, 88px);
  line-height: 0.98;
  font-weight: 900;
}

.hero p,
.page-hero p,
.large-copy {
  color: var(--muted);
  font-size: clamp(17px, 1.45vw, 22px);
  line-height: 1.38;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.hero-visual {
  position: relative;
  min-height: clamp(440px, 55vw, 760px);
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: auto 0 8% 16%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(90, 29, 255, 0.5), transparent);
}

.system-graphic {
  position: absolute;
  inset: 7% -4% 7% 0;
  background:
    linear-gradient(110deg, transparent 0 34%, rgba(90, 29, 255, 0.1) 34% 35%, transparent 35%),
    linear-gradient(28deg, transparent 0 48%, rgba(5, 5, 5, 0.09) 48% 49%, transparent 49%),
    linear-gradient(90deg, rgba(5, 5, 5, 0.06) 1px, transparent 1px),
    linear-gradient(0deg, rgba(5, 5, 5, 0.06) 1px, transparent 1px);
  background-size: auto, auto, 72px 72px, 72px 72px;
}

.system-graphic .node,
.system-graphic .line,
.system-graphic .cube {
  position: absolute;
  display: block;
}

.system-graphic .node {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink);
}

.system-graphic .node:nth-child(2n) {
  background: var(--purple);
}

.system-graphic .line {
  height: 1px;
  transform-origin: left center;
  background: rgba(5, 5, 5, 0.22);
}

.system-graphic .cube {
  width: clamp(70px, 10vw, 142px);
  aspect-ratio: 1;
  border: 1px solid rgba(90, 29, 255, 0.26);
  background: linear-gradient(135deg, rgba(90, 29, 255, 0.28), rgba(90, 29, 255, 0.04));
  box-shadow: inset 22px 22px 0 rgba(255, 255, 255, 0.52);
}

.n1 { left: 12%; top: 25%; }
.n2 { left: 34%; top: 16%; }
.n3 { left: 58%; top: 28%; }
.n4 { left: 78%; top: 18%; }
.n5 { left: 25%; top: 66%; }
.n6 { left: 72%; top: 70%; }
.l1 { left: 12%; top: 26%; width: 24%; transform: rotate(-16deg); }
.l2 { left: 34%; top: 17%; width: 29%; transform: rotate(24deg); }
.l3 { left: 58%; top: 29%; width: 24%; transform: rotate(-20deg); }
.l4 { left: 25%; top: 67%; width: 48%; transform: rotate(3deg); }
.l5 { left: 34%; top: 17%; width: 42%; transform: rotate(69deg); }
.c1 { left: 42%; top: 33%; }
.c2 { left: 64%; top: 42%; transform: scale(0.82); }
.c3 { left: 28%; top: 52%; transform: scale(0.68); }

.metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
}

.hero > .metrics-row {
  grid-column: 1 / -1;
  margin: 0 calc(var(--pad) * -1);
}

.metric {
  min-height: 118px;
  padding: 30px var(--pad);
  border-right: 1px solid var(--line);
}

.metric:last-child { border-right: 0; }

.metric strong {
  display: block;
  font-size: clamp(24px, 3vw, 44px);
  line-height: 0.95;
}

.metric span {
  display: block;
  max-width: 160px;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.25;
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(220px, 0.55fr) 1.45fr;
  gap: clamp(28px, 6vw, 92px);
  align-items: start;
}

.split-heading > *,
.grid > *,
.capability > *,
.contact-layout > *,
.assessment-layout > * {
  min-width: 0;
}

.section-title {
  font-size: clamp(32px, 3.8vw, 58px);
  line-height: 1;
  font-weight: 900;
}

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

.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid.cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }

.card,
.logo-cell,
.step,
.founder,
.article,
.capability {
  min-height: 220px;
  padding: clamp(24px, 3vw, 44px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.card h3,
.step h3,
.article h3,
.capability h3 {
  font-size: clamp(22px, 1.85vw, 30px);
  line-height: 1.05;
  font-weight: 900;
}

.card p,
.step p,
.article p,
.capability p,
.founder p,
.form-note {
  color: var(--muted);
  line-height: 1.45;
}

.index {
  display: block;
  margin-bottom: 34px;
  color: var(--purple);
  font-size: 12px;
  font-weight: 900;
}

.arrow {
  display: inline-block;
  margin-top: 18px;
  color: var(--ink);
  font-weight: 900;
}

.logo-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.logo-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 130px;
  color: #1c1c1c;
  font-size: clamp(18px, 1.8vw, 27px);
  font-weight: 900;
  filter: grayscale(1);
}

.highlight-card {
  background:
    linear-gradient(135deg, rgba(90, 29, 255, 0.12), transparent 46%),
    #050505;
  color: #fff;
}

.highlight-card p,
.highlight-card .index {
  color: rgba(255, 255, 255, 0.72);
}

.highlight-card .button {
  margin-top: 24px;
  border-color: #fff;
  background: #fff;
  color: var(--ink);
}

.origin-section {
  background: linear-gradient(180deg, #fff, #fafafa);
}

.origin-panel {
  border-left: 1px solid var(--line);
}

.origin-panel > .large-copy {
  max-width: 820px;
  padding: 0 0 38px clamp(24px, 3vw, 44px);
  margin-bottom: 0;
}

.origin-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.origin-grid > div {
  min-height: 220px;
  padding: clamp(24px, 3vw, 44px);
  border-right: 1px solid var(--line);
}

.origin-grid > div:last-child {
  border-right: 0;
}

.origin-grid h3 {
  margin-bottom: 14px;
  font-size: clamp(22px, 1.85vw, 30px);
  line-height: 1.05;
}

.origin-grid p {
  color: var(--muted);
  line-height: 1.45;
}

.icon-mark {
  position: relative;
  width: 58px;
  height: 58px;
  margin-bottom: 30px;
}

.icon-mark::before,
.icon-mark::after {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px solid #111;
}

.icon-mark::after {
  inset: 22px;
  border: 0;
  background: var(--purple);
}

.icon-mark.orbit::before {
  border-radius: 50%;
}

.icon-mark.nodes::before {
  transform: rotate(45deg);
}

.icon-mark.system::before {
  box-shadow: 18px 0 0 -8px #fff, 18px 0 0 -7px #111, -18px 0 0 -8px #fff, -18px 0 0 -7px #111;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.step {
  min-height: 260px;
  border-top: 0;
}

.founder-photo {
  display: grid;
  place-items: center;
  aspect-ratio: 1 / 1.08;
  margin-bottom: 24px;
  background:
    radial-gradient(circle at 74% 24%, rgba(90, 29, 255, 0.22), transparent 18%),
    linear-gradient(135deg, transparent 48%, rgba(90, 29, 255, 0.16) 48% 52%, transparent 52%),
    linear-gradient(180deg, #fff, #f2f2f2);
  color: var(--purple);
  font-size: 42px;
  font-weight: 900;
}

.founder-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.founder h3 {
  margin-bottom: 6px;
  font-size: clamp(22px, 1.8vw, 30px);
  line-height: 1;
}

.role {
  display: block;
  margin-bottom: 18px;
  color: var(--purple);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.founder-meta {
  display: grid;
  gap: 10px;
  margin-top: 22px;
  font-size: 13px;
  font-weight: 800;
}

.founder-meta a,
.social-links a {
  color: var(--purple);
}

.founder-meta a:hover,
.social-links a:hover {
  color: var(--ink);
}

.article-image {
  height: 140px;
  margin: -8px -8px 24px;
  background:
    radial-gradient(circle at 72% 38%, var(--purple) 0 5px, transparent 6px),
    linear-gradient(115deg, transparent 0 34%, rgba(90, 29, 255, 0.18) 34% 36%, transparent 36%),
    linear-gradient(150deg, #f2f2f2, #fff);
  border: 1px solid var(--line);
}

.article:nth-child(2n) .article-image {
  background:
    linear-gradient(100deg, rgba(90, 29, 255, 0.5), transparent 34%),
    repeating-linear-gradient(170deg, rgba(90, 29, 255, 0.25) 0 1px, transparent 1px 8px),
    #f6f3ff;
}

.cta-band {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.15fr auto;
  gap: 32px;
  align-items: end;
  min-height: 300px;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0 0 0 40%;
  opacity: 0.55;
  background:
    radial-gradient(circle at 72% 38%, rgba(90, 29, 255, 0.4) 0 6px, transparent 7px),
    repeating-linear-gradient(160deg, rgba(90, 29, 255, 0.18) 0 1px, transparent 1px 16px);
  mix-blend-mode: multiply;
  pointer-events: none;
}

.cta-band > * {
  position: relative;
}

.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(260px, 0.6fr);
  gap: clamp(28px, 7vw, 100px);
  align-items: end;
  padding: clamp(76px, 11vw, 150px) var(--pad) clamp(54px, 7vw, 92px);
  border-bottom: 1px solid var(--line);
}

.page-hero > *,
.hero > * {
  min-width: 0;
}

.page-hero .system-tile {
  min-height: 360px;
  border-left: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(5, 5, 5, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(5, 5, 5, 0.08) 1px, transparent 1px),
    radial-gradient(circle at 60% 38%, rgba(90, 29, 255, 0.28), transparent 16%),
    #fff;
  background-size: 44px 44px, 44px 44px, auto, auto;
}

.capability-list {
  display: grid;
  gap: 0;
}

.capability {
  display: grid;
  grid-template-columns: 160px minmax(0, 0.8fr) minmax(240px, 1fr);
  gap: clamp(22px, 4vw, 64px);
  min-height: 270px;
  border-left: 1px solid var(--line);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  align-content: start;
}

.chip {
  padding: 9px 12px;
  border: 1px solid var(--line);
  color: #222;
  font-size: 13px;
  font-weight: 700;
}

.principles {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.contact-layout,
.assessment-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(320px, 1fr);
  gap: clamp(34px, 7vw, 110px);
}

.contact-methods {
  display: grid;
  border-top: 1px solid var(--line);
}

.method {
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.method strong {
  display: block;
  margin-bottom: 7px;
  font-size: 13px;
  text-transform: uppercase;
  color: var(--purple);
}

.method a {
  transition: color 180ms ease;
}

.method a:hover {
  color: var(--purple);
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.contact-links a {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  border: 1px solid var(--line);
  padding: 0 13px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

.contact-links a:hover {
  border-color: var(--purple);
  background: var(--purple);
  color: #fff;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  font-size: 13px;
  font-weight: 800;
}

.form {
  display: grid;
  gap: 16px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.form label {
  display: grid;
  gap: 8px;
  color: #333;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.form input,
.form select,
.form textarea {
  width: 100%;
  min-height: 54px;
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 14px 15px;
  background: #fff;
  color: var(--ink);
  outline: none;
}

.form textarea {
  min-height: 150px;
  resize: vertical;
}

.form input:focus,
.form select:focus,
.form textarea:focus {
  border-color: var(--purple);
}

.footer {
  display: grid;
  grid-template-columns: 220px 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 108px;
  padding: 0 var(--pad);
  font-size: 12px;
  font-weight: 700;
}

.footer-meta {
  display: grid;
  gap: 10px;
  justify-items: end;
}

.faq-section {
  background: #fff;
}

.faq-list {
  display: grid;
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  cursor: pointer;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 24px 0;
  list-style: none;
  font-size: clamp(19px, 1.6vw, 25px);
  font-weight: 850;
  line-height: 1.15;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  color: var(--purple);
  font-size: 26px;
  line-height: 1;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  max-width: 840px;
  margin: -8px 0 24px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.55;
}

@media (max-width: 1120px) {
  .site-header {
    grid-template-columns: 200px 1fr auto;
  }

  .header-cta {
    display: none;
  }

  .hero,
  .page-hero {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 430px;
    margin: 0 calc(var(--pad) * -1);
  }

  .hero-visual img {
    inset: 0 auto auto 24%;
    width: 860px;
  }

  .grid.cols-5,
  .principles {
    grid-template-columns: repeat(3, 1fr);
  }

  .capability {
    grid-template-columns: 100px 1fr;
  }

  .capability .chips {
    grid-column: 2;
  }
}

@media (max-width: 1320px) {
  .split-heading .grid.cols-4,
  .split-heading .logo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .site-header {
    grid-template-columns: 1fr auto;
    min-height: 72px;
  }

  .main-nav {
    position: fixed;
    inset: 72px 0 auto 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 24px var(--pad) 30px;
    border-bottom: 1px solid var(--line);
    background: #fff;
    font-size: 20px;
  }

  body.menu-open .main-nav {
    display: flex;
  }

  .menu-button {
    display: block;
  }

  .hero h1,
  .page-hero h1 {
    font-size: clamp(38px, 11vw, 58px);
    line-height: 1.02;
  }

  .hero {
    min-height: auto;
    padding-top: 48px;
  }

  .metrics-row,
  .logo-grid,
  .grid.cols-3,
  .grid.cols-4,
  .grid.cols-5,
  .founder-grid,
  .origin-grid,
  .timeline,
  .principles {
    grid-template-columns: 1fr 1fr;
  }

  .metric:nth-child(2n) {
    border-right: 0;
  }

  .split-heading,
  .contact-layout,
  .assessment-layout,
  .cta-band,
  .footer {
    grid-template-columns: 1fr;
  }

  .cta-band::before {
    inset: 30% -20% 0 10%;
  }

  .footer {
    padding-top: 30px;
    padding-bottom: 30px;
  }

  .footer nav {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .origin-panel {
    border-left: 0;
  }

  .origin-panel > .large-copy {
    padding-left: 0;
  }

  .footer-meta {
    justify-items: start;
  }
}

@media (max-width: 560px) {
  :root { --pad: 20px; }

  .brand-word {
    font-size: 18px;
    letter-spacing: 6px;
  }

  .brand-sub {
    font-size: 6px;
    letter-spacing: 8px;
  }

  .hero p,
  .page-hero p,
  .large-copy {
    font-size: 18px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .hero-visual {
    min-height: 310px;
  }

  .hero-visual img {
    left: 0;
    width: 590px;
  }

  .metrics-row,
  .logo-grid,
  .grid.cols-3,
  .grid.cols-4,
  .grid.cols-5,
  .founder-grid,
  .origin-grid,
  .timeline,
  .principles,
  .field-grid {
    grid-template-columns: 1fr;
  }

  .metric,
  .metric:nth-child(2n) {
    border-right: 0;
  }

  .capability {
    grid-template-columns: 1fr;
  }

  .capability .chips {
    grid-column: auto;
  }

  .card,
  .logo-cell,
  .step,
  .founder,
  .article,
  .capability {
    min-height: auto;
  }
}