@font-face {
  font-family: Averia;
  src: url("./AveriaSerifLibre-Regular.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}
:root {
  --paper: #f6f5ed;
  --ink: #183d35;
  --muted: #59695f;
  --line: #d9ddd2;
  --lime: #dceda6;
  --serif: Averia, Georgia, serif;
  --sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color-scheme: light dark;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 32px;
}
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;
  text-underline-offset: 5px;
}
a:hover {
  text-decoration-thickness: 2px;
}
button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}
a:focus-visible,
summary:focus-visible {
  outline: 3px solid #478e73;
  outline-offset: 6px;
}
::selection {
  background: var(--lime);
  color: var(--ink);
}
.wrap {
  width: min(1280px, calc(100% - 96px));
  margin-inline: auto;
}
.skip {
  position: absolute;
  left: 20px;
  top: -100px;
  z-index: 10;
  background: var(--ink);
  color: var(--paper);
  padding: 12px 20px;
}
.skip:focus {
  top: 10px;
}
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 29px;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 24px;
  text-decoration: none;
  letter-spacing: -1px;
  line-height: 1;
}
.brand strong {
  font-weight: 500;
  color: #788574;
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 35px;
  font-size: 13px;
  font-weight: 500;
}
.site-header nav a {
  text-decoration: none;
}
.site-header nav a:hover {
  text-decoration: underline;
}
.nav-contact {
  border: 1px solid #bac3b5;
  border-radius: 6px;
  padding: 10px 16px;
}
.nav-contact span {
  margin-left: 14px;
}
.hero {
  display: grid;
  grid-template-columns: 1.12fr 1fr;
  gap: 55px;
  align-items: center;
  padding-block: 91px 96px;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 1.8px;
  font-size: 10px;
  font-weight: 650;
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 24px;
}
.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4b8064;
  flex-shrink: 0;
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(44px, 4.7vw, 70px);
  line-height: 1.06;
  letter-spacing: -2.8px;
  font-weight: 400;
  margin: 0 0 27px;
}
em {
  font-style: normal;
  color: #6d836b;
}
.hero-description {
  font-size: 19px;
  line-height: 1.6;
  max-width: 460px;
  margin: 0 0 18px;
}
.hero-detail {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 30px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding: 15px 21px;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  transition:
    background 0.2s,
    transform 0.2s;
}
.button:hover {
  transform: translateY(-2px);
}
.primary {
  background: var(--ink);
  color: var(--paper);
}
.primary:hover {
  background: #28574a;
}
.text-link {
  font-size: 12px;
  text-decoration: none;
  border-bottom: 1px solid #b4beb0;
  padding: 7px 0;
}
.text-link span {
  margin-left: 9px;
}
.small-note {
  font-size: 10px;
  color: var(--muted);
  margin-top: 17px;
}
.hero-world {
  min-width: 0;
  margin: 0;
}
.hero-world-frame {
  display: block;
  width: 100%;
  height: 540px;
  border: 1px solid #cdd5c4;
  border-radius: 9px;
  background: #edf0e5;
  box-shadow: 0 18px 45px -30px #1b3c3540;
}
.hero-world figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.8;
}
.thesis-strip {
  border-block: 1px solid var(--line);
}
.thesis-strip .wrap {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-block: 22px;
  font-size: 11px;
  letter-spacing: 0.2px;
  color: var(--muted);
}
.thesis-strip span::before {
  content: "+";
  margin-right: 13px;
  color: #779068;
}
.section {
  padding-block: 96px;
}
.idea {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 90px;
}
.section h2 {
  font-family: var(--serif);
  font-size: clamp(32px, 3.2vw, 46px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -1.3px;
  margin: 0;
}
.idea-body {
  padding-top: 34px;
  font-size: 15px;
  color: var(--muted);
}
.idea-body p {
  margin: 0 0 20px;
}
.idea-body strong {
  color: var(--ink);
  font-weight: 600;
}
.idea-body .pull-line {
  font-family: var(--serif);
  font-size: 24px;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 0;
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
  padding-bottom: 96px;
}
.steps article {
  border-top: 1px solid #bfcbb7;
  padding-top: 20px;
}
.step-number {
  font-size: 11px;
  color: #768969;
}
.steps h3,
.demo-notes h3 {
  font-family: var(--serif);
  font-size: 25px;
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.5px;
  margin: 22px 0 13px;
}
.steps p,
.demo-notes p {
  font-size: 13px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 340px;
  margin: 0;
}
.prototype {
  background: #e9eee4;
  border-block: 1px solid #d3dccb;
}
.prototype-heading {
  display: flex;
  justify-content: space-between;
  gap: 60px;
  align-items: flex-end;
  margin-bottom: 44px;
}
.prototype-heading > p {
  max-width: 350px;
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 5px;
}
.product-figure {
  margin: 0;
}
.product-figure > a {
  display: block;
  background: #191b19;
  border: 6px solid #23362d;
  border-radius: 9px;
  overflow: hidden;
  box-shadow: 0 20px 45px -25px #183d3566;
}
.product-figure img {
  display: block;
  width: 100%;
  height: auto;
  transition: opacity 0.2s;
}
.product-figure a:hover img {
  opacity: 0.92;
}
.product-figure figcaption {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 15px;
  color: #5b6d55;
  font-size: 9px;
}
.product-figure figcaption .status-dot {
  width: 5px;
  height: 5px;
  margin-right: 6px;
}
.demo-notes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 55px;
  margin-top: 58px;
}
.note-label {
  font-size: 9px;
  letter-spacing: 1.4px;
  color: #657b59;
}
.demo-notes h3 {
  margin-top: 15px;
}
.collaboration {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
}
.section-intro {
  font-size: 15px;
  color: var(--muted);
  margin: 25px 0 0;
  max-width: 440px;
}
.principles article {
  display: flex;
  gap: 20px;
  padding-block: 25px;
  border-bottom: 1px solid var(--line);
}
.principles article:first-child {
  padding-top: 7px;
}
.principle-mark {
  font-size: 23px;
  line-height: 1.4;
  min-width: 25px;
  color: #6f8965;
}
.principles h3 {
  font-size: 15px;
  font-weight: 550;
  margin: 0 0 10px;
}
.principles p {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
  line-height: 1.85;
}
.questions {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 90px;
  border-top: 1px solid var(--line);
}
details {
  border-bottom: 1px solid #ced6c5;
  padding: 21px 0;
}
details:first-child {
  padding-top: 4px;
}
summary {
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 20px;
}
summary::-webkit-details-marker {
  display: none;
}
summary::after {
  content: "+";
  font-size: 20px;
  line-height: 1.2;
  color: #718166;
}
details[open] summary::after {
  content: "−";
}
.answers p {
  font-size: 13px;
  line-height: 1.85;
  color: var(--muted);
  margin: 15px 30px 3px 0;
}
.invitation {
  padding: 85px 0 90px;
  background: #183d35;
  text-align: center;
  color: #f4f5e9;
}
.invitation .eyebrow {
  justify-content: center;
  color: #bacba5;
}
.invitation h2 {
  font-family: var(--serif);
  font-size: clamp(40px, 4.5vw, 64px);
  line-height: 1.08;
  font-weight: 400;
  letter-spacing: -2px;
  margin: 0 0 28px;
}
.invitation h2 em {
  color: #c9df9e;
}
.invitation p:not(.eyebrow) {
  font-size: 14px;
  line-height: 1.8;
  color: #c9d5c3;
  max-width: 475px;
  margin: 0 auto 20px;
}
.invitation .light {
  background: #dceda6;
  color: #183d35;
  margin-top: 10px;
}
.invitation .light:hover {
  background: #e8f5c2;
}
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding-block: 30px;
}
.site-footer .brand {
  font-size: 20px;
}
.site-footer p,
.site-footer > a:last-child {
  font-size: 10px;
  color: var(--muted);
}
.site-footer > a:last-child {
  text-decoration: none;
}
.site-footer > a:last-child:hover {
  text-decoration: underline;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #14201b;
    --ink: #e5ebdc;
    --muted: #adbbaa;
    --line: #35483c;
    --lime: #385332;
  }
  .brand strong,
  em,
  .step-number,
  .note-label,
  .principle-mark,
  .product-figure figcaption,
  summary::after,
  .thesis-strip span::before {
    color: #aec693;
  }
  .status-dot {
    background: #99bc87;
  }
  .primary:hover {
    background: #c9df9e;
  }
  .prototype {
    background: #1d2c23;
    border-color: var(--line);
  }
  .hero-world-frame {
    background: #14251f;
    border-color: var(--line);
  }
  .nav-contact,
  .text-link,
  .steps article,
  details {
    border-color: var(--line);
  }
}
@media (min-width: 1600px) {
  .hero {
    gap: 95px;
  }
  .hero h1 {
    font-size: 74px;
  }
}
@media (max-width: 1050px) {
  .wrap {
    width: calc(100% - 64px);
  }
  .hero {
    gap: 30px;
    padding-block: 70px;
  }
  .hero h1 {
    font-size: 49px;
  }
  .hero-description {
    font-size: 17px;
  }
  .hero-actions {
    gap: 17px;
  }
  .idea,
  .collaboration,
  .questions {
    gap: 45px;
  }
  .section {
    padding-block: 72px;
  }
  .steps,
  .demo-notes {
    gap: 30px;
  }
  .steps {
    padding-bottom: 72px;
  }
}
@media (max-width: 760px) {
  .wrap {
    width: calc(100% - 40px);
  }
  .site-header {
    padding-block: 21px;
  }
  .brand {
    font-size: 22px;
  }
  .site-header nav {
    gap: 20px;
    font-size: 11px;
  }
  .site-header nav > a:first-child {
    display: none;
  }
  .nav-contact {
    padding: 7px 10px;
  }
  .nav-contact span {
    margin-left: 7px;
  }
  .hero {
    width: 100%;
    grid-template-columns: 1fr;
    gap: 42px;
    padding-block: 49px 46px;
  }
  .hero-copy,
  .hero-world figcaption {
    margin-inline: 20px;
  }
  .hero-world-frame {
    border-inline: 0;
    border-radius: 0;
  }
  .hero h1 {
    font-size: clamp(44px, 10.5vw, 69px);
    letter-spacing: -2px;
  }
  .hero-description {
    font-size: 18px;
    max-width: 440px;
  }
  .hero-detail {
    font-size: 14px;
  }
  .hero .eyebrow {
    font-size: 9px;
    margin-bottom: 21px;
  }
  .hero-actions {
    gap: 21px;
    margin-top: 25px;
  }
  .small-note {
    font-size: 9px;
  }
  .thesis-strip .wrap {
    display: grid;
    gap: 7px;
    padding-block: 18px;
    font-size: 10px;
  }
  .thesis-strip span::before {
    margin-right: 10px;
  }
  .section {
    padding-block: 57px;
  }
  .section h2 {
    font-size: 36px;
  }
  .idea,
  .collaboration,
  .questions {
    grid-template-columns: 1fr;
    gap: 27px;
  }
  .idea-body {
    padding-top: 0;
    font-size: 14px;
  }
  .eyebrow {
    font-size: 9px;
    margin-bottom: 20px;
  }
  .steps {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-bottom: 57px;
  }
  .steps article {
    display: grid;
    grid-template-columns: 30px 1fr;
    gap: 7px 14px;
    padding-top: 18px;
  }
  .step-number {
    padding-top: 3px;
    grid-row: 1 / 3;
  }
  .steps h3 {
    margin: 0;
    font-size: 25px;
  }
  .steps p {
    max-width: none;
    grid-column: 2;
  }
  .prototype-heading {
    display: block;
    margin-bottom: 30px;
  }
  .prototype-heading > p {
    margin-top: 22px;
    max-width: 420px;
    font-size: 13px;
  }
  .product-figure > a {
    border-width: 3px;
    border-radius: 5px;
  }
  .product-figure figcaption {
    display: grid;
    gap: 5px;
    font-size: 8px;
    margin-top: 12px;
  }
  .demo-notes {
    grid-template-columns: 1fr;
    gap: 26px;
    margin-top: 36px;
  }
  .demo-notes article {
    padding-top: 22px;
    border-top: 1px solid #c6d1bd;
  }
  .demo-notes h3 {
    font-size: 24px;
    margin: 10px 0;
  }
  .demo-notes h3 br {
    display: none;
  }
  .demo-notes p {
    max-width: none;
  }
  .section-intro {
    font-size: 14px;
  }
  .principles article {
    padding-block: 23px;
    gap: 14px;
  }
  .principles h3 {
    font-size: 14px;
  }
  .questions {
    gap: 35px;
  }
  summary {
    font-size: 14px;
  }
  .invitation {
    padding-block: 62px;
  }
  .invitation h2 {
    font-size: 47px;
  }
  .invitation p:not(.eyebrow) {
    font-size: 13px;
  }
  .site-footer {
    flex-wrap: wrap;
    gap: 12px;
    padding-block: 25px;
  }
  .site-footer .brand {
    width: 100%;
    margin-bottom: 5px;
  }
  .site-footer p {
    margin: 0;
  }
  .site-footer > a:last-child {
    margin-left: auto;
    font-size: 9px;
  }
}
@media (max-width: 380px) {
  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 11px;
  }
  .site-footer > a:last-child {
    margin-left: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .button,
  .product-figure img {
    transition: none;
  }
  .button:hover {
    transform: none;
  }
}