:root {
  --font-small: 0.875rem;
  --font-body: 1rem;
  font-size: 100%;
  line-height: 1.6;
  font-family: Arial, Helvetica, sans-serif;
  color: #203b32;
  background: #fafbf6;
  --green: #163d32;
  --lime: #d9edb9;
  --muted: #67776b;
  --line: #dfe5d9;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
}
a {
  color: inherit;
  text-decoration: none;
}
a:focus-visible,
summary:focus-visible {
  outline: 3px solid #799e48;
  outline-offset: 5px;
}
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: white;
  padding: 15px;
  z-index: 100;
}
.skip-link:focus {
  top: 10px;
}
.site-header {
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 6vw;
  border-bottom: 1px solid var(--line);
  background: #fafbf6ef;
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -1px;
}
.wordmark img {
  border-radius: 9px;
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: var(--font-body);
}
.site-header nav a:hover {
  color: #638244;
}
.nav-login {
  border: 1px solid #a0b29b;
  border-radius: 6px;
  padding: 12px 20px;
  margin-left: 18px;
}
.nav-login span {
  margin-left: 20px;
}
.hero {
  background: #eef3e6;
  min-height: calc(100svh - 88px);
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  position: relative;
  overflow: hidden;
  padding: 80px 6vw 100px;
  gap: 5vw;
}
.hero-content {
  align-self: center;
  z-index: 1;
  animation: rise 0.65s both;
}
.overline {
  display: block;
  font-size: var(--font-small);
  letter-spacing: 2px;
  font-weight: 600;
  margin-bottom: 28px;
  color: #607954;
}
.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: #6d934c;
  border-radius: 50%;
  margin-right: 9px;
  vertical-align: 1px;
}
h1,
h2,
h3,
p {
  margin: 0;
}
.hero h1 {
  font-size: clamp(55px, 6.8vw, 104px);
  letter-spacing: -6px;
  line-height: 0.98;
  font-weight: 600;
  white-space: nowrap;
}
.hero h1 span {
  display: block;
  font-size: clamp(37px, 4.1vw, 62px);
  letter-spacing: -3px;
  line-height: 1.13;
  margin-top: 26px;
  color: #506a50;
  font-weight: 400;
  white-space: normal;
}
.hero p {
  font-size: 16px;
  line-height: 1.8;
  color: #62745e;
  max-width: 410px;
  margin-top: 28px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 35px;
  flex-wrap: wrap;
}
.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  background: var(--green);
  color: white;
  border-radius: 5px;
  padding: 17px 23px;
  font-size: var(--font-body);
  transition:
    transform 0.2s,
    background 0.2s;
}
.primary-link:hover {
  background: #28533e;
  transform: translateY(-3px);
}
.primary-link span {
  font-size: 18px;
}
.quiet-link {
  font-size: var(--font-body);
  border-bottom: 1px solid #95a78c;
  padding: 10px 0;
}
.quiet-link span {
  margin-left: 8px;
}
.hero-note {
  font-size: var(--font-small);
  margin-top: 40px;
  color: #7c8a70;
}
.brand-sculpture {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: rise 0.9s 0.1s both;
}
.brand-sculpture > img {
  position: relative;
  width: min(29vw, 380px);
  height: auto;
  border-radius: 24%;
  transform: rotate(-9deg);
  box-shadow: 18px 40px 60px #22452c1a;
  transition: transform 0.6s;
  z-index: 1;
}
.brand-sculpture:hover > img {
  transform: rotate(-3deg) translateY(-8px);
}
.sculpture-orbit {
  position: absolute;
  border: 1px solid #c6d6b7;
  border-radius: 50%;
  height: 480px;
  width: 480px;
  transform: rotate(-25deg) scaleY(0.85);
}
.orbit-two {
  width: 620px;
  height: 620px;
  opacity: 0.55;
  transform: rotate(25deg) scaleY(0.85);
}
.sculpture-caption {
  position: absolute;
  bottom: 4%;
  font-size: var(--font-small);
  letter-spacing: 3px;
  color: #8a9c7d;
  text-align: center;
}
.hero-bottom {
  position: absolute;
  bottom: 26px;
  left: 6vw;
  right: 6vw;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid #d5dfc8;
  padding-top: 20px;
  font-size: var(--font-small);
  letter-spacing: 1px;
  color: #819177;
}
.hero-bottom span:last-child {
  font-size: var(--font-small);
  letter-spacing: 2px;
}
.research-section {
  padding: 110px 8vw 100px;
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 8vw;
}
.section-intro {
  position: sticky;
  top: 140px;
  align-self: start;
}
.section-intro h2,
.method-section h2,
.faq-section h2 {
  font-size: clamp(30px, 3.2vw, 46px);
  font-weight: 400;
  line-height: 1.18;
  letter-spacing: -1.9px;
}
.section-intro > p {
  font-size: var(--font-body);
  line-height: 1.9;
  margin-top: 25px;
  color: var(--muted);
  max-width: 340px;
}
.feature-rows article {
  display: flex;
  gap: 23px;
  padding: 33px 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.feature-rows article:last-child {
  border-bottom: 1px solid var(--line);
}
.feature-number {
  font-size: var(--font-small);
  color: #8d9d7e;
  margin-top: 6px;
}
.feature-rows h3 {
  font-size: 21px;
  font-weight: 400;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.feature-rows p {
  font-size: var(--font-body);
  line-height: 1.9;
  color: var(--muted);
  max-width: 380px;
}
.feature-symbol {
  margin-left: auto;
  font-size: 30px;
  font-weight: 400;
  color: #8faa71;
}
.feature-tags {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  margin-top: 24px;
  font-size: var(--font-small);
  color: #75856b;
  letter-spacing: 0.3px;
}
.method-section {
  background: #183f34;
  color: #edf3e8;
  padding: 90px 8vw;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12vw;
}
.method-section .overline {
  color: #aabf92;
}
.method-copy > p {
  font-size: 17px;
  line-height: 1.9;
  font-weight: 400;
  color: #d2ddc9;
}
.method-copy ul {
  list-style: none;
  padding: 0;
  margin: 30px 0;
  color: #9eb59d;
  font-size: var(--font-body);
  line-height: 1.9;
}
.method-copy li {
  position: relative;
  padding: 13px 0 13px 21px;
  border-bottom: 1px solid #355348;
}
.method-copy li:before {
  content: '↗';
  position: absolute;
  left: 0;
  color: var(--lime);
}
.method-copy > a {
  font-size: var(--font-body);
  color: #d9edb9;
  padding-bottom: 8px;
  border-bottom: 1px solid #78956c;
}
.method-copy > a span {
  margin-left: 15px;
}
.faq-section {
  padding: 110px 8vw;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 10vw;
}
.faq-section details {
  border-bottom: 1px solid var(--line);
  padding: 23px 0;
}
.faq-section details:first-child {
  border-top: 1px solid var(--line);
}
.faq-section summary {
  display: flex;
  gap: 20px;
  justify-content: space-between;
  cursor: pointer;
  font-size: var(--font-body);
  line-height: 1.5;
  list-style: none;
}
.faq-section summary::-webkit-details-marker {
  display: none;
}
.faq-section summary > span {
  color: #80946d;
  font-size: 19px;
}
.faq-section details[open] summary > span {
  transform: rotate(45deg);
}
.faq-section details p {
  font-size: var(--font-body);
  line-height: 1.9;
  color: var(--muted);
  padding: 17px 30px 0 0;
}
.closing-section {
  background: #eaf1dd;
  text-align: center;
  padding: 80px 20px;
}
.closing-section .overline {
  margin-bottom: 22px;
}
.closing-section h2 {
  font-size: clamp(32px, 4.5vw, 64px);
  font-weight: 400;
  letter-spacing: -2.5px;
  margin-bottom: 28px;
}
.closing-section p {
  font-size: var(--font-small);
  color: #839075;
  margin-top: 25px;
}
.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 25px;
  justify-content: space-between;
  padding: 45px 6vw 28px;
  background: #fafbf6;
}
.site-footer .wordmark {
  font-size: 19px;
}
.site-footer > span {
  font-size: var(--font-small);
  color: #8b987f;
}
.site-footer nav {
  display: flex;
  gap: 25px;
  font-size: var(--font-small);
}
.site-footer small {
  flex-basis: 100%;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: var(--font-small);
  color: #8c9986;
  margin-top: 12px;
}
.preview-notice {
  padding: 14px;
  text-align: center;
  font-size: var(--font-small);
  background: #f3f0dc;
  color: #80763c;
}
.legal-page {
  max-width: 820px;
  margin: 0 auto;
  padding: 65px 30px 100px;
}
.back-link {
  display: inline-block;
  font-size: var(--font-body);
  color: var(--muted);
  margin-bottom: 60px;
}
.legal-page h1 {
  font-size: 56px;
  letter-spacing: -2.5px;
  font-weight: 400;
}
.legal-intro {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.8;
  margin: 24px 0;
}
.effective-date {
  font-size: var(--font-body);
  color: #8a987c;
  margin: 25px 0 40px;
}
.legal-page section {
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
.legal-page h2 {
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -0.4px;
  margin-bottom: 15px;
}
.legal-page section p {
  font-size: var(--font-body);
  color: #667263;
  line-height: 1.95;
}
.legal-page a:not(.back-link) {
  color: #2f714e;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.legal-alert {
  padding: 20px;
  background: #f3eed9;
  font-size: var(--font-body);
  line-height: 1.8;
  margin-bottom: 35px;
}
.legal-crosslink {
  padding-top: 25px;
  font-size: var(--font-body);
}
@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (min-width: 1700px) {
  .hero {
    padding-top: 100px;
    padding-bottom: 140px;
  }
  .brand-sculpture > img {
    width: 400px;
  }
  .hero h1 {
    font-size: 110px;
  }
  .research-section,
  .method-section,
  .faq-section {
    padding-inline: 12vw;
  }
}
@media (max-width: 1000px) {
  .hero {
    gap: 20px;
    padding-top: 70px;
    padding-bottom: 110px;
    min-height: 680px;
  }
  .hero h1 {
    letter-spacing: -4px;
    font-size: 64px;
  }
  .hero h1 span {
    font-size: 39px;
    letter-spacing: -2px;
  }
  .hero p {
    font-size: var(--font-body);
    max-width: 340px;
  }
  .hero-actions {
    gap: 20px;
  }
  .hero .primary-link {
    padding: 15px;
    font-size: var(--font-body);
    gap: 15px;
  }
  .sculpture-orbit {
    width: 350px;
    height: 350px;
  }
  .orbit-two {
    width: 470px;
    height: 470px;
  }
  .brand-sculpture > img {
    width: 28vw;
  }
  .sculpture-caption {
    font-size: var(--font-small);
    letter-spacing: 2px;
  }
  .research-section {
    gap: 6vw;
    padding: 80px 6vw;
  }
  .method-section,
  .faq-section {
    gap: 7vw;
    padding: 75px 6vw;
  }
  .site-footer > span {
    display: none;
  }
  .site-header nav {
    gap: 20px;
  }
  .site-header {
    padding-inline: 5vw;
  }
}
@media (max-width: 650px) {
  .site-header {
    height: 72px;
    padding-inline: 22px;
  }
  .wordmark {
    font-size: 20px;
    gap: 9px;
  }
  .wordmark img {
    width: 31px;
    height: 31px;
  }
  .site-header nav > a:not(.nav-login) {
    display: none;
  }
  .nav-login {
    margin-left: 0;
    padding: 10px 13px;
    font-size: var(--font-body);
  }
  .nav-login span {
    margin-left: 8px;
  }
  .hero {
    grid-template-columns: 1fr;
    min-height: calc(100svh - 72px);
    padding: 52px 25px 85px;
    gap: 20px;
  }
  .overline {
    font-size: var(--font-small);
    letter-spacing: 1.6px;
    margin-bottom: 25px;
  }
  .hero h1 {
    font-size: clamp(42px, 14.5vw, 57px);
    letter-spacing: -3px;
  }
  .hero h1 span {
    font-size: 38px;
    letter-spacing: -2px;
    margin-top: 20px;
  }
  .hero p {
    font-size: var(--font-body);
    max-width: 300px;
    margin-top: 23px;
    line-height: 1.8;
  }
  .hero-actions {
    gap: 22px;
    margin-top: 28px;
  }
  .hero-note {
    font-size: var(--font-small);
    margin-top: 24px;
  }
  .brand-sculpture {
    height: 200px;
    overflow: visible;
    margin: 10px 0 14px;
  }
  .brand-sculpture > img {
    width: 160px;
    box-shadow: 10px 22px 35px #22452c1a;
  }
  .sculpture-orbit {
    width: 230px;
    height: 230px;
  }
  .orbit-two {
    width: 300px;
    height: 300px;
  }
  .sculpture-caption {
    display: none;
  }
  .hero-bottom {
    left: 25px;
    right: 25px;
    bottom: 20px;
    font-size: var(--font-small);
    padding-top: 16px;
  }
  .hero-bottom span:last-child {
    display: none;
  }
  .research-section {
    grid-template-columns: 1fr;
    padding: 65px 25px;
    gap: 35px;
  }
  .section-intro {
    position: static;
  }
  .section-intro h2,
  .method-section h2,
  .faq-section h2 {
    font-size: 33px;
    letter-spacing: -1.7px;
  }
  .section-intro > p {
    font-size: var(--font-body);
    margin-top: 20px;
  }
  .feature-rows article {
    gap: 18px;
    padding: 27px 0;
  }
  .feature-rows h3 {
    font-size: 20px;
  }
  .feature-rows p {
    font-size: var(--font-body);
  }
  .feature-symbol {
    font-size: 25px;
  }
  .feature-tags {
    font-size: var(--font-small);
    gap: 12px;
  }
  .method-section {
    grid-template-columns: 1fr;
    padding: 65px 25px;
    gap: 30px;
  }
  .method-copy > p {
    font-size: var(--font-body);
  }
  .method-copy ul {
    font-size: var(--font-body);
  }
  .method-copy > a {
    font-size: var(--font-small);
  }
  .faq-section {
    grid-template-columns: 1fr;
    padding: 65px 25px;
    gap: 30px;
  }
  .faq-section summary {
    font-size: var(--font-body);
  }
  .faq-section details p {
    font-size: var(--font-body);
    padding-right: 5px;
  }
  .closing-section {
    padding: 65px 25px;
  }
  .closing-section h2 {
    font-size: 36px;
    letter-spacing: -1.8px;
  }
  .closing-section p {
    line-height: 1.8;
  }
  .site-footer {
    padding: 35px 25px 25px;
    gap: 28px;
  }
  .site-footer nav {
    gap: 20px;
    font-size: var(--font-small);
  }
  .site-footer small {
    line-height: 1.9;
    margin-top: 0;
  }
  .legal-page {
    padding: 40px 25px 65px;
  }
  .back-link {
    margin-bottom: 42px;
  }
  .legal-page h1 {
    font-size: 40px;
    letter-spacing: -2px;
  }
  .legal-intro {
    font-size: var(--font-body);
  }
  .legal-page section p {
    font-size: var(--font-body);
  }
  .legal-page h2 {
    font-size: 18px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}
