:root {
  color-scheme: light;
  --ink: #18313d;
  --muted: #586c72;
  --paper: #f8f7f2;
  --white: #fff;
  --line: #dce4df;
  --teal: #397a72;
  --teal-dark: #255d58;
  --coral: #d7795d;
  --sun: #f2bd63;
  --serif: Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

a:focus-visible,
summary:focus-visible,
video:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  z-index: 10;
  top: 0.75rem;
  left: 0.75rem;
  transform: translateY(-180%);
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
  padding: 0.65rem 1rem;
}

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

.section-shell,
.site-header {
  width: min(1160px, calc(100% - 3rem));
  margin-inline: auto;
}

.site-header {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.62rem;
  color: var(--ink);
  font-size: 1.25rem;
  font-weight: 750;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.wordmark-mark {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 11px 11px 11px 4px;
  background: var(--teal);
  color: var(--white);
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.7vw, 2.2rem);
}

.site-header nav a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
}

.site-header nav a:hover,
.text-link:hover,
.back-top:hover {
  color: var(--teal-dark);
}

.site-header nav .nav-cta {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.58rem 1rem;
  color: var(--ink);
}

.hero {
  min-height: 660px;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: center;
  gap: clamp(2.5rem, 7vw, 6.5rem);
  padding-block: 4.5rem 6rem;
}

.hero-copy {
  position: relative;
  z-index: 1;
  padding-block: 1rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--teal-dark);
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.13em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  display: inline-block;
  margin-right: 0.42rem;
  border-radius: 50%;
  background: var(--coral);
  vertical-align: 1px;
}

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

h1,
h2 {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.06;
}

h1 {
  max-width: 10ch;
  margin-bottom: 1.35rem;
  font-size: clamp(3.3rem, 6.2vw, 5.8rem);
}

.hero-lede {
  max-width: 34rem;
  margin-bottom: 1.7rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  border-radius: 999px;
  padding: 0.7rem 1.15rem;
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
}

.button-primary {
  background: var(--teal);
  color: var(--white);
}

.button-primary:hover {
  background: var(--teal-dark);
}

.text-link {
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.hero-note {
  margin: 1.6rem 0 0;
  color: #738287;
  font-size: 0.84rem;
}

.hero-art {
  min-height: 530px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  isolation: isolate;
}

.hero-art::before {
  width: 78%;
  aspect-ratio: 1;
  position: absolute;
  z-index: -1;
  top: 5%;
  left: 13%;
  border-radius: 50%;
  background: #e6eee4;
  content: "";
}

.screen {
  margin: 0;
  overflow: hidden;
  border: 7px solid var(--white);
  border-radius: 16px;
  background: var(--white);
  box-shadow: 0 22px 65px rgb(31 57 53 / 16%);
}

.screen img {
  width: 100%;
  display: block;
  object-fit: cover;
  object-position: top;
}

.screen figcaption {
  padding: 0.58rem 0.7rem;
  color: var(--muted);
  font-size: 0.68rem;
  line-height: 1.3;
}

.screen-note {
  width: min(43%, 232px);
  transform: rotate(-3deg) translate(-22%, 7%);
}

.screen-library {
  width: min(63%, 442px);
  position: absolute;
  z-index: -1;
  top: 15%;
  right: -1%;
  transform: rotate(3deg);
}

.screen-library img {
  aspect-ratio: 1.62;
}

.art-caption {
  position: absolute;
  right: 3%;
  bottom: 2%;
  color: #6b7e7b;
  font-size: 0.73rem;
}

.intro-band {
  background: #e9efeb;
  padding-block: clamp(3rem, 7vw, 5.5rem);
}

.intro-grid,
.engineering-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  align-items: start;
  gap: clamp(2rem, 8vw, 8rem);
}

.intro-grid h2,
.section-heading h2,
.local-grid h2,
.video-copy h2,
.engineering-grid h2 {
  max-width: 14ch;
  margin-bottom: 0;
  font-size: clamp(2.4rem, 4.5vw, 4rem);
}

.intro-grid > p {
  max-width: 34rem;
  margin: 0.3rem 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.principles {
  padding-block: clamp(4rem, 8vw, 7rem);
}

.section-heading {
  max-width: 680px;
  margin: 0 auto 3rem;
  text-align: center;
}

.section-heading h2 {
  max-width: none;
  margin-bottom: 0.8rem;
}

.section-heading > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

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

.principle-card {
  min-height: 230px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgb(255 255 255 / 60%);
  padding: 1.55rem;
}

.principle-number {
  display: inline-block;
  margin-bottom: 1.6rem;
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.principle-card h3 {
  margin-bottom: 0.5rem;
  font-family: var(--serif);
  font-size: 1.48rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.principle-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.principle-summary {
  margin: 2rem 0 0;
  color: var(--teal-dark);
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2.3vw, 1.75rem);
  text-align: center;
}

.local-first {
  background: var(--ink);
  color: var(--white);
  padding-block: clamp(3.5rem, 7vw, 6rem);
}

.local-grid {
  display: grid;
  grid-template-columns: 150px 1fr;
  align-items: center;
  gap: clamp(2rem, 7vw, 6rem);
}

.local-first .eyebrow {
  color: #a9d4c8;
}

.local-grid h2 {
  margin-bottom: 1rem;
}

.local-grid p {
  max-width: 690px;
  color: #d0dcda;
  font-size: 1.05rem;
}

.local-grid .privacy-note {
  margin: 1.3rem 0 0;
  color: #aebfbc;
  font-size: 0.88rem;
}

.local-mark {
  width: 130px;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid rgb(255 255 255 / 23%);
  border-radius: 42% 58% 47% 53%;
  transform: rotate(-8deg);
}

.local-mark span {
  width: 17px;
  height: 48px;
  display: block;
  border: 2px solid #a9d4c8;
  border-radius: 99px;
  transform: rotate(8deg);
}

.local-mark span:nth-child(2) {
  height: 70px;
  border-color: var(--sun);
}

.local-mark span:nth-child(3) {
  height: 35px;
  border-color: #e69a7c;
}

.video-section {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  align-items: center;
  gap: clamp(2.5rem, 7vw, 6rem);
  padding-block: clamp(4rem, 8vw, 7rem);
}

.video-copy h2 {
  margin-bottom: 1rem;
}

.video-copy > p:not(.eyebrow) {
  color: var(--muted);
}

.transcript {
  margin-top: 1.3rem;
  color: var(--teal-dark);
  font-size: 0.9rem;
}

.transcript summary {
  width: fit-content;
  cursor: pointer;
  font-weight: 700;
  text-underline-offset: 4px;
}

.transcript ol {
  padding-left: 1.25rem;
  color: var(--muted);
}

.video-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  box-shadow: 0 20px 55px rgb(31 57 53 / 12%);
}

.video-frame video {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  background: #172d36;
  object-fit: contain;
}

.video-caption {
  margin: 0;
  padding: 0.85rem 1rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.app-demo {
  padding-bottom: 0;
}

.app-demo .video-frame {
  width: min(100%, 340px);
  justify-self: center;
}

.app-demo video {
  aspect-ratio: 296 / 640;
}

.video-copy .demo-note {
  color: var(--muted);
  font-size: 0.85rem;
}

.engineering {
  background: #efece3;
  padding-block: clamp(3.5rem, 7vw, 6rem);
}

.engineering-grid h2 {
  max-width: 12ch;
}

.engineering-copy p,
.engineering-copy li {
  color: var(--muted);
}

.engineering-copy ul {
  display: grid;
  gap: 0.55rem;
  padding-left: 1.1rem;
}

.engineering-copy li::marker {
  color: var(--coral);
}

.engineering-copy .engineering-footnote {
  margin: 1.4rem 0 0;
  font-size: 0.82rem;
}

.site-footer {
  background: var(--paper);
  padding-block: 1.5rem;
}

.footer-inner {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-inner p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.back-top {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 650;
  text-decoration: none;
}

@media (max-width: 820px) {
  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 1rem;
    padding-block: 3.5rem 4rem;
  }

  .hero-copy {
    max-width: 660px;
  }

  .hero-art {
    min-height: min(76vw, 540px);
    margin-top: 1rem;
  }

  .screen-note {
    width: min(42%, 245px);
  }

  .screen-library {
    width: min(66%, 460px);
  }

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

@media (max-width: 620px) {
  .section-shell,
  .site-header {
    width: min(100% - 2rem, 1160px);
  }

  .site-header {
    min-height: 70px;
  }

  .site-header nav {
    gap: 0.8rem;
  }

  .site-header nav a:not(.nav-cta) {
    display: none;
  }

  .site-header nav .nav-cta {
    padding: 0.48rem 0.72rem;
    font-size: 0.8rem;
  }

  .hero {
    padding-top: 2.8rem;
  }

  h1 {
    max-width: 9ch;
    font-size: clamp(3rem, 14vw, 4.5rem);
  }

  .hero-art {
    min-height: 82vw;
  }

  .screen-note {
    width: 44%;
    border-width: 5px;
    border-radius: 12px;
    transform: rotate(-3deg) translate(-16%, 7%);
  }

  .screen-library {
    width: 65%;
    top: 11%;
    right: -1%;
    border-width: 5px;
    border-radius: 12px;
  }

  .screen figcaption {
    padding: 0.4rem;
    font-size: 0.58rem;
  }

  .art-caption {
    right: 0;
    bottom: 1%;
    font-size: 0.65rem;
  }

  .intro-grid,
  .engineering-grid {
    grid-template-columns: 1fr;
    gap: 1.4rem;
  }

  .intro-grid h2,
  .section-heading h2,
  .local-grid h2,
  .video-copy h2,
  .engineering-grid h2 {
    font-size: clamp(2.3rem, 11vw, 3.4rem);
  }

  .section-heading {
    margin-bottom: 2rem;
    text-align: left;
  }

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

  .principle-card {
    min-height: 0;
  }

  .principle-number {
    margin-bottom: 0.9rem;
  }

  .local-grid {
    grid-template-columns: 1fr;
    gap: 1.6rem;
  }

  .local-mark {
    width: 82px;
    gap: 5px;
    border-radius: 30%;
  }

  .local-mark span {
    width: 10px;
    height: 31px;
  }

  .local-mark span:nth-child(2) {
    height: 46px;
  }

  .local-mark span:nth-child(3) {
    height: 23px;
  }

  .footer-inner {
    flex-wrap: wrap;
  }

  .footer-inner p {
    order: 1;
    flex-basis: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}