:root {
  --paper: #f2f0e9;
  --paper-deep: #e5e1d7;
  --ink: #142927;
  --ink-soft: #40504e;
  --night: #102321;
  --acid: #c9ff46;
  --blue: #615cff;
  --blue-text: #504adf;
  --line: rgba(20, 41, 39, 0.2);
  --max: 1240px;
  --pad: clamp(1.25rem, 4vw, 4.5rem);
  color-scheme: light;
  font-family: "Arial", "Helvetica Neue", sans-serif;
  font-synthesis: none;
  line-height: 1.5;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

body,
button {
  font: inherit;
}

a {
  color: inherit;
}

svg {
  display: block;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  background: var(--acid);
  color: var(--ink);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: relative;
  z-index: 20;
  display: flex;
  max-width: var(--max);
  min-height: 6rem;
  margin: auto;
  padding: 1.5rem var(--pad);
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  gap: 0.65rem;
  align-items: center;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.06em;
  text-decoration: none;
}

.brand svg {
  color: var(--blue);
}

.nav-list {
  display: flex;
  gap: clamp(1.25rem, 3vw, 2.75rem);
  margin: 0;
  padding: 0;
  align-items: center;
  list-style: none;
}

.nav-list a {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.nav-list a:not(.nav-contact):hover,
.nav-list a:not(.nav-contact):focus-visible {
  text-decoration: underline;
  text-underline-offset: 0.35rem;
}

.nav-contact {
  display: inline-block;
  padding: 0.7rem 1.1rem;
  border: 1px solid var(--ink);
  border-radius: 100vw;
}

.nav-contact:hover,
.nav-contact:focus-visible {
  background: var(--ink);
  color: var(--paper);
}

.nav-toggle {
  display: none;
}

main {
  overflow: hidden;
}

.hero {
  position: relative;
  display: grid;
  max-width: var(--max);
  min-height: min(760px, calc(100vh - 6rem));
  margin: auto;
  padding: clamp(3.5rem, 8vw, 8rem) var(--pad) 3rem;
  align-content: space-between;
  isolation: isolate;
}

.hero-kicker {
  display: flex;
  gap: 0.65rem;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.status-dot {
  width: 0.6rem;
  height: 0.6rem;
  background: var(--blue);
  border-radius: 50%;
  box-shadow: 0 0 0 0.3rem rgba(97, 92, 255, 0.15);
}

.hero h1 {
  max-width: 1050px;
  margin: clamp(3rem, 9vw, 8rem) 0 4rem;
  font-size: clamp(3.2rem, 8.9vw, 8.6rem);
  font-weight: 500;
  letter-spacing: -0.075em;
  line-height: 0.86;
}

.hero h1 em,
.contact h2 em {
  color: var(--blue);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

.hero-footer {
  display: flex;
  max-width: 820px;
  gap: 2rem;
  align-items: end;
  justify-content: space-between;
}

.hero-footer p {
  max-width: 550px;
  margin: 0;
  font-size: clamp(1.05rem, 1.7vw, 1.4rem);
  line-height: 1.45;
}

.text-link {
  flex: none;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-underline-offset: 0.35rem;
}

.hero-orbit {
  position: absolute;
  top: 7%;
  right: -9%;
  z-index: -1;
  width: clamp(17rem, 42vw, 36rem);
  aspect-ratio: 1;
  opacity: 0.6;
}

.orbit {
  position: absolute;
  border: 1px solid rgba(97, 92, 255, 0.38);
  border-radius: 50%;
  inset: 0;
}

.orbit-one {
  transform: rotate(25deg) scaleY(0.38);
}

.orbit-two {
  transform: rotate(-35deg) scaleY(0.38);
}

.orbit-core {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 5rem;
  height: 5rem;
  background: var(--acid);
  border-radius: 50%;
  place-items: center;
  transform: translate(-50%, -50%);
  font-family: Georgia, serif;
  font-size: 2rem;
}

.section {
  display: grid;
  grid-template-columns: minmax(9rem, 1fr) minmax(0, 4fr);
  max-width: var(--max);
  margin: auto;
  padding: clamp(5rem, 10vw, 10rem) var(--pad);
  border-top: 1px solid var(--line);
}

.section-label {
  display: flex;
  gap: 0.7rem;
  padding-top: 0.5rem;
  align-items: flex-start;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.section-label span {
  color: var(--blue-text);
}

.section-label p {
  margin: 0;
}

.story-content h2,
.practice-heading h2,
.problems-heading h2,
.collaboration-content > h2 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(2.2rem, 5.1vw, 4.8rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 1.02;
}

.story-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 6rem);
  margin: clamp(3rem, 7vw, 6rem) 0;
  color: var(--ink-soft);
}

.story-columns p {
  margin: 0;
  font-size: clamp(1rem, 1.4vw, 1.2rem);
}

blockquote {
  margin: 0;
  padding: clamp(1.5rem, 4vw, 3.5rem);
  background: var(--paper-deep);
  border-left: 0.35rem solid var(--blue);
}

blockquote p {
  max-width: 760px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.4rem, 2.8vw, 2.4rem);
  line-height: 1.3;
}

.practice {
  max-width: none;
  grid-template-columns: minmax(9rem, calc((100vw - var(--max)) / 2 + 15%)) minmax(0, 1fr);
  padding-right: max(var(--pad), calc((100vw - var(--max)) / 2 + var(--pad)));
  padding-left: max(var(--pad), calc((100vw - var(--max)) / 2 + var(--pad)));
  background: var(--night);
  color: var(--paper);
}

.section-label.light span {
  color: var(--acid);
}

.practice-heading {
  display: grid;
  grid-template-columns: 2.5fr 1fr;
  gap: 4rem;
  align-items: end;
}

.practice-heading p {
  margin: 0;
  color: #aeb9b6;
}

.capability-list {
  grid-column: 2;
  margin-top: clamp(4rem, 8vw, 7rem);
}

.capability-list article {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr) 2rem;
  gap: clamp(1rem, 3vw, 3rem);
  padding: clamp(2rem, 4vw, 3.4rem) 0;
  border-top: 1px solid rgba(242, 240, 233, 0.22);
}

.capability-list article:last-child {
  border-bottom: 1px solid rgba(242, 240, 233, 0.22);
}

.capability-number,
.mode-type {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.capability-number {
  color: var(--acid);
}

.capability-list h3 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.45rem, 2.4vw, 2.2rem);
  font-weight: 500;
  letter-spacing: -0.035em;
}

.capability-list p {
  max-width: 680px;
  margin: 0;
  color: #aeb9b6;
}

.capability-mark {
  color: var(--acid);
  font-size: 1.5rem;
}

.problems-content {
  min-width: 0;
}

.problems-heading {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  align-items: end;
}

.problems-heading p {
  margin: 0;
  color: var(--ink-soft);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: clamp(4rem, 8vw, 7rem) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.problem-grid li {
  position: relative;
  min-height: 12rem;
  padding: 2rem 2rem 2rem 4.5rem;
  border-bottom: 1px solid var(--line);
}

.problem-grid li:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.problem-grid span {
  position: absolute;
  top: 2rem;
  left: 1rem;
  display: grid;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--blue);
  border-radius: 50%;
  place-items: center;
  color: var(--blue-text);
  font-size: 0.7rem;
  font-weight: 700;
}

.problem-grid p {
  max-width: 380px;
  margin: 0;
  font-size: clamp(1.1rem, 1.7vw, 1.4rem);
}

.collaboration {
  background: var(--paper-deep);
  max-width: none;
  padding-right: max(var(--pad), calc((100vw - var(--max)) / 2 + var(--pad)));
  padding-left: max(var(--pad), calc((100vw - var(--max)) / 2 + var(--pad)));
}

.modes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: clamp(4rem, 8vw, 7rem);
  background: var(--line);
  border: 1px solid var(--line);
}

.modes article {
  min-height: 15rem;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: var(--paper-deep);
}

.modes h3 {
  margin: 1.75rem 0 0.75rem;
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  font-weight: 500;
  letter-spacing: -0.03em;
}

.modes p:last-child {
  max-width: 380px;
  margin: 0;
  color: var(--ink-soft);
}

.mode-type {
  margin: 0;
  color: var(--blue-text);
  text-transform: uppercase;
}

.principle {
  margin: 2rem 0 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.1rem;
  font-style: italic;
}

.contact {
  position: relative;
  padding: clamp(6rem, 12vw, 12rem) var(--pad);
  background: var(--blue);
  color: #fff;
  text-align: center;
}

.contact::before {
  position: absolute;
  background-image: radial-gradient(rgba(255, 255, 255, 0.28) 1px, transparent 1px);
  background-size: 18px 18px;
  content: "";
  inset: 0;
  mask-image: linear-gradient(to bottom, black, transparent 70%);
  pointer-events: none;
}

.contact > * {
  position: relative;
}

.contact-overline {
  margin: 0 0 2.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact h2 {
  margin: 0 auto clamp(3rem, 7vw, 6rem);
  font-size: clamp(2.7rem, 7vw, 7rem);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.95;
}

.contact h2 em {
  color: var(--acid);
}

.contact-link {
  display: flex;
  max-width: 760px;
  margin: auto;
  padding: 1.2rem 0;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid rgba(255, 255, 255, 0.8);
  font-size: clamp(1.2rem, 3vw, 2.3rem);
  text-decoration: none;
}

.contact-link:hover {
  color: #fff;
  border-color: var(--acid);
}

.contact-link:focus-visible {
  color: #fff;
  border-color: #fff;
  outline: 3px solid #fff;
  outline-offset: 6px;
}

footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  max-width: var(--max);
  margin: auto;
  padding: 2rem var(--pad);
  align-items: center;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

footer p {
  margin: 0;
}

footer p:last-child {
  text-align: right;
}

.footer-brand {
  font-size: 1rem;
  text-transform: lowercase;
}

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 4px;
}

@media (max-width: 800px) {
  .site-header {
    min-height: 5rem;
  }

  .nav-toggle {
    display: flex;
    gap: 0.6rem;
    padding: 0.55rem 0.8rem;
    align-items: center;
    background: transparent;
    border: 1px solid var(--ink);
    border-radius: 100vw;
    color: var(--ink);
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 700;
  }

  .nav-list {
    position: absolute;
    top: calc(100% - 0.5rem);
    right: var(--pad);
    display: none;
    width: min(18rem, calc(100vw - 2 * var(--pad)));
    padding: 1.25rem;
    background: var(--night);
    color: var(--paper);
    box-shadow: 0 1rem 2rem rgba(20, 41, 39, 0.18);
    flex-direction: column;
    align-items: stretch;
  }

  .nav-list.is-open {
    display: flex;
  }

  .nav-list a {
    display: block;
    padding: 0.6rem;
  }

  .brand,
  .nav-toggle,
  .nav-list a,
  .text-link,
  .contact-link,
  .error-link {
    min-width: 44px;
    min-height: 44px;
  }

  .text-link {
    display: inline-flex;
    align-items: center;
  }

  .nav-contact {
    border-color: var(--paper);
    text-align: center;
  }

  .hero {
    min-height: calc(100svh - 5rem);
  }

  .hero-footer {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .section-label {
    margin-bottom: 2.5rem;
  }

  .story-columns,
  .practice-heading,
  .problems-heading {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .capability-list {
    grid-column: 1;
  }

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

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

  footer {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

  footer p:nth-child(2) {
    display: none;
  }
}

@media (max-width: 520px) {
  .hero h1 {
    margin-top: 3.5rem;
    font-size: clamp(3.35rem, 18vw, 5.4rem);
  }

  .hero-orbit {
    top: 20%;
    right: -42%;
    opacity: 0.45;
  }

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

  .capability-list article {
    grid-template-columns: 2rem minmax(0, 1fr);
  }

  .capability-mark {
    display: none;
  }

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

  .problem-grid li:nth-child(odd) {
    border-right: 0;
  }

  .problem-grid li {
    min-height: 10rem;
  }

  .contact {
    text-align: left;
  }

  .contact h2 {
    margin-left: 0;
  }

  .contact-link {
    font-size: 1.08rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

.error-page {
  min-height: 100vh;
  background: var(--night);
  color: var(--paper);
}

.error-header {
  border-color: rgba(242, 240, 233, 0.2);
}

.error-header .brand svg {
  color: var(--acid);
}

.error-content {
  display: flex;
  max-width: var(--max);
  min-height: calc(100vh - 6rem);
  margin: auto;
  padding: clamp(4rem, 9vw, 8rem) var(--pad);
  align-items: flex-start;
  justify-content: center;
  flex-direction: column;
}

.error-code {
  margin: 0 0 2rem;
  color: var(--acid);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.error-content h1 {
  margin: 0 0 2.5rem;
  font-size: clamp(3.7rem, 10vw, 9rem);
  font-weight: 500;
  letter-spacing: -0.07em;
  line-height: 0.85;
}

.error-content h1 em {
  color: var(--acid);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

.error-content > p:not(.error-code) {
  max-width: 520px;
  margin: 0 0 2.5rem;
  color: #aeb9b6;
  font-size: clamp(1rem, 1.7vw, 1.25rem);
}

.error-link {
  display: inline-flex;
  min-width: 15rem;
  padding: 1rem 0;
  justify-content: space-between;
  border-bottom: 1px solid var(--acid);
  color: var(--acid);
  font-weight: 700;
  text-decoration: none;
}