:root {
  --principle-paper: var(--canopy-paper, #f7f5f1);
  --principle-ink: var(--canopy-ink, #050a11);
  --principle-navy: var(--canopy-navy, #07101c);
  --principle-blue: var(--canopy-blue, #0a5cff);
  --principle-sky: var(--canopy-sky, #d9eef3);
  --principle-mint: var(--canopy-mint, #dcefdc);
  --principle-line: rgba(5, 10, 17, 0.22);
  --principle-copy: #29415f;
}

html {
  background: var(--principle-paper);
  scroll-behavior: smooth;
  scrollbar-color: rgba(10, 92, 255, 0.68) var(--principle-paper);
}

body.principle-page {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: var(--principle-paper);
  color: var(--principle-ink);
}

.principle-page * {
  box-sizing: border-box;
}

.principle-page ::selection {
  background: var(--principle-blue);
  color: #fff;
}

.principle-page a:focus-visible,
.principle-page button:focus-visible {
  outline: 3px solid var(--principle-blue);
  outline-offset: 5px;
}

.principle-page__local-nav {
  position: absolute;
  z-index: 2;
  top: clamp(6.9rem, 12vh, 9rem);
  left: var(--principle-gutter, clamp(1.25rem, 5vw, 5.5rem));
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--principle-line);
}

.principle-page__local-nav a {
  padding: 0.45rem 0.7rem;
  color: var(--principle-copy);
  font-size: 0.78rem;
  font-weight: 780;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.principle-page__local-nav a[aria-current="page"] {
  color: var(--principle-blue);
  background: rgba(10, 92, 255, 0.08);
}

.principle-hero {
  --principle-field: var(--principle-sky);
  position: relative;
  display: grid;
  grid-template-columns: minmax(20rem, 0.83fr) minmax(32rem, 1.17fr);
  align-items: center;
  min-height: 100svh;
  padding: clamp(11rem, 18vh, 13rem) var(--principle-gutter, clamp(1.25rem, 5vw, 5.5rem)) clamp(5rem, 9vh, 8rem);
  background: linear-gradient(105deg, var(--principle-paper) 0 46%, var(--principle-field) 100%);
}

.principle-page--purpose .principle-hero {
  --principle-field: var(--principle-sky);
}

.principle-page--decision .principle-hero {
  --principle-field: #e4edf7;
}

.principle-page--proof .principle-hero {
  --principle-field: var(--principle-mint);
}

.principle-hero__copy {
  position: relative;
  z-index: 1;
  max-width: 42rem;
}

.principle-hero h1 {
  max-width: 9.5ch;
  margin: 0;
  font-size: clamp(4.15rem, 8.4vw, 8rem);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 0.82;
  text-wrap: balance;
}

.principle-hero h1 span {
  color: var(--principle-blue);
}

.principle-hero__lede {
  max-width: 38rem;
  margin: clamp(2rem, 4vh, 3rem) 0 0;
  color: var(--principle-copy);
  font-size: clamp(1.08rem, 1.45vw, 1.35rem);
  line-height: 1.58;
}

.principle-hero__link,
.principle-closing a {
  display: inline-flex;
  align-items: center;
  margin-top: 2rem;
  color: var(--principle-ink);
  font-weight: 820;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.3rem;
}

.principle-hero__visual {
  position: relative;
  min-height: min(35rem, 60vh);
  margin-left: clamp(1rem, 4vw, 5rem);
}

.principle-visual-frame {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: clamp(1.5rem, 4vw, 4rem);
  border: 1px solid rgba(5, 10, 17, 0.26);
  background: rgba(247, 245, 241, 0.33);
}

.principle-visual-frame::before,
.principle-visual-frame::after {
  position: absolute;
  content: "";
  border: 1px solid rgba(10, 92, 255, 0.52);
}

.principle-visual-frame::before {
  inset: 1.15rem;
}

.principle-visual-frame::after {
  inset: 2.5rem;
  border-color: rgba(5, 10, 17, 0.18);
}

.principle-visual-label {
  position: absolute;
  z-index: 1;
  top: 1.35rem;
  right: 1.4rem;
  color: var(--principle-blue);
  font-size: 0.73rem;
  font-weight: 850;
  letter-spacing: 0.1em;
}

.principle-signal {
  position: relative;
  z-index: 1;
  display: grid;
  width: min(100%, 34rem);
  gap: 0;
}

.principle-signal__row {
  display: grid;
  grid-template-columns: 9rem 1fr;
  align-items: center;
  min-height: 5.8rem;
  border-top: 1px solid var(--principle-line);
}

.principle-signal__row:last-child {
  border-bottom: 1px solid var(--principle-line);
}

.principle-signal__row b {
  color: var(--principle-blue);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
}

.principle-signal__row span {
  font-size: clamp(1.3rem, 2vw, 1.8rem);
  font-weight: 820;
  letter-spacing: -0.035em;
}

.principle-section {
  padding: clamp(6rem, 12vw, 11rem) var(--principle-gutter, clamp(1.25rem, 5vw, 5.5rem));
}

.principle-section--paper {
  background: var(--principle-paper);
}

.principle-section--sky {
  background: var(--principle-sky);
}

.principle-section--mint {
  background: var(--principle-mint);
}

.principle-section__intro {
  display: grid;
  grid-template-columns: minmax(16rem, 0.75fr) minmax(25rem, 1.25fr);
  gap: clamp(2rem, 8vw, 9rem);
  align-items: start;
  width: min(100%, 78rem);
  margin: 0 auto;
}

.principle-section h2 {
  max-width: 10ch;
  margin: 0;
  font-size: clamp(2.5rem, 5.8vw, 5.3rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 0.9;
}

.principle-section__intro > div > p {
  max-width: 42rem;
  margin: 0;
  color: var(--principle-copy);
  font-size: clamp(1.08rem, 1.45vw, 1.35rem);
  line-height: 1.58;
}

.principle-section__intro > div > p + p {
  margin-top: 1.35rem;
}

.principle-list {
  width: min(100%, 78rem);
  margin: clamp(4rem, 7vw, 7rem) auto 0;
  border-top: 1px solid var(--principle-line);
}

.principle-list__item {
  display: grid;
  grid-template-columns: 5.5rem minmax(12rem, 0.55fr) minmax(16rem, 1fr);
  gap: 1.5rem;
  align-items: start;
  padding: 1.8rem 0;
  border-bottom: 1px solid var(--principle-line);
}

.principle-list__item > span {
  color: var(--principle-blue);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.principle-list__item h3 {
  margin: 0;
  font-size: clamp(1.25rem, 1.8vw, 1.7rem);
  letter-spacing: -0.03em;
}

.principle-list__item p {
  max-width: 42rem;
  margin: 0;
  color: var(--principle-copy);
  line-height: 1.58;
}

.principle-example {
  display: grid;
  grid-template-columns: minmax(13rem, 0.65fr) minmax(22rem, 1.35fr);
  gap: clamp(2rem, 8vw, 9rem);
  align-items: start;
  width: min(100%, 78rem);
  margin: 0 auto;
}

.principle-example__name {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.8rem);
  font-weight: 880;
  letter-spacing: -0.045em;
  line-height: 0.95;
}

.principle-example__label {
  margin: 0 0 0.8rem;
  color: var(--principle-blue);
  font-size: 0.74rem;
  font-weight: 850;
  letter-spacing: 0.1em;
}

.principle-example__body {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.principle-example__body div {
  min-height: 8.5rem;
  padding: 1.1rem 0.95rem;
  border-top: 2px solid var(--principle-blue);
}

.principle-example__body b {
  display: block;
  margin-bottom: 0.6rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.principle-example__body p {
  margin: 0;
  color: var(--principle-copy);
  line-height: 1.5;
}

.principle-closing {
  display: grid;
  grid-template-columns: minmax(16rem, 0.8fr) minmax(20rem, 1.2fr);
  gap: clamp(2rem, 8vw, 9rem);
  align-items: end;
  width: min(100%, 78rem);
  margin: 0 auto;
}

.principle-closing h2 {
  max-width: 12ch;
}

.principle-closing p {
  max-width: 38rem;
  margin: 0;
  color: var(--principle-copy);
  font-size: 1.15rem;
  line-height: 1.58;
}

.principle-sibling-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--principle-line);
  border-bottom: 1px solid var(--principle-line);
}

.principle-sibling-nav a {
  padding: 1.1rem 0.85rem;
  color: var(--principle-ink);
  font-weight: 820;
  text-decoration: none;
}

.principle-sibling-nav a + a {
  border-left: 1px solid var(--principle-line);
}

.principle-sibling-nav a:hover,
.principle-sibling-nav a[aria-current="page"] {
  color: var(--principle-blue);
}

@media (max-width: 980px) {
  .principle-hero {
    grid-template-columns: 1fr;
    gap: 4rem;
    min-height: 0;
    padding-top: 11rem;
  }

  .principle-hero__visual {
    min-height: 28rem;
    margin-left: 0;
  }

  .principle-section__intro,
  .principle-example,
  .principle-closing {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .principle-section h2,
  .principle-closing h2 {
    max-width: 13ch;
  }
}

@media (max-width: 700px) {
  :root {
    --principle-gutter: 1.15rem;
  }

  .principle-page__local-nav {
    top: 6.4rem;
    left: var(--principle-gutter);
    max-width: calc(100% - 2.3rem);
    overflow-x: auto;
  }

  .principle-page__local-nav a {
    white-space: nowrap;
  }

  .principle-hero {
    padding-top: 9.5rem;
  }

  .principle-hero h1 {
    max-width: 8ch;
    font-size: clamp(3.6rem, 17vw, 5.4rem);
  }

  .principle-hero__visual {
    min-height: 23rem;
  }

  .principle-visual-frame {
    padding: 1.25rem;
  }

  .principle-visual-frame::before {
    inset: 0.7rem;
  }

  .principle-visual-frame::after {
    inset: 1.5rem;
  }

  .principle-signal__row {
    grid-template-columns: 6.2rem 1fr;
    min-height: 4.8rem;
  }

  .principle-signal__row span {
    font-size: 1.15rem;
  }

  .principle-list__item {
    grid-template-columns: 3.5rem 1fr;
    gap: 0.7rem;
  }

  .principle-list__item p {
    grid-column: 2;
  }

  .principle-example__body {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .principle-example__body div {
    min-height: 0;
  }

  .principle-sibling-nav {
    grid-template-columns: 1fr;
  }

  .principle-sibling-nav a + a {
    border-top: 1px solid var(--principle-line);
    border-left: 0;
  }
}

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

/* Text-only principle pages */
.principle-text-page {
  --principle-text-field: var(--principle-sky);
}

.principle-text-page--decision {
  --principle-text-field: #e4edf7;
}

.principle-text-page--proof {
  --principle-text-field: var(--principle-mint);
}

.principle-text-page--path {
  --principle-text-field: #e9e5fb;
}

.principle-text-hero {
  display: grid;
  min-height: calc(100svh - 2rem);
  align-items: center;
  padding: clamp(9rem, 17vh, 13rem) var(--principle-gutter, clamp(1.25rem, 5vw, 5.5rem)) clamp(6rem, 12vh, 9rem);
  background: linear-gradient(105deg, var(--principle-paper) 0 53%, var(--principle-text-field) 100%);
}

.principle-text-hero__inner {
  width: min(100%, 56rem);
}

.principle-text-hero h1 {
  max-width: 11ch;
  margin: 0;
  font-size: clamp(4rem, 9vw, 8.5rem);
  font-weight: 900;
  letter-spacing: -0.065em;
  line-height: 0.86;
  text-wrap: balance;
}

.principle-text-hero h1 span {
  color: var(--principle-blue);
}

.principle-text-hero__lede {
  max-width: 48rem;
  margin: clamp(2rem, 4vh, 3.2rem) 0 0;
  color: var(--principle-copy);
  font-size: clamp(1.1rem, 1.7vw, 1.45rem);
  line-height: 1.58;
}

.principle-text-hero__link {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 2rem;
  color: var(--principle-ink);
  font-weight: 820;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.3rem;
}

.principle-text-hero__link:hover {
  color: var(--principle-blue);
}

@media (max-width: 700px) {
  .principle-text-hero {
    min-height: calc(100svh - 1rem);
    padding-top: 9rem;
  }

  .principle-text-hero h1 {
    max-width: 9ch;
    font-size: clamp(3.5rem, 17vw, 5.5rem);
  }
}