:root {
  --ink: #10110f;
  --paper: #f3f0e7;
  --lime: #a6ff4d;
  --grey: #d8d6cd;
  --line: rgba(16, 17, 15, 0.18);
  --orange: #ff6846;
  --mono: "DM Mono", monospace;
  --sans: "Manrope", sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
}
a {
  color: inherit;
  text-decoration: none;
}
.announcement {
  height: 34px;
  background: var(--lime);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  font: 500 10px var(--mono);
  letter-spacing: 0.08em;
}
.announcement a {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.site-header {
  height: 78px;
  padding: 0 4vw;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: rgba(243, 240, 231, 0.92);
  backdrop-filter: blur(12px);
  z-index: 20;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font: 800 14px var(--sans);
  letter-spacing: 0.04em;
}
.brand-mark {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--ink);
  display: inline-block;
  position: relative;
}
.brand-mark:after {
  content: "";
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
  right: 2px;
  top: 2px;
}
.nav-links {
  display: flex;
  gap: 34px;
  align-items: center;
  font: 500 12px var(--mono);
  text-transform: uppercase;
}
.nav-links > a:not(.nav-cta):hover {
  text-decoration: underline;
  text-underline-offset: 5px;
}
.nav-cta {
  background: var(--ink);
  color: white;
  padding: 13px 17px;
}
.nav-cta span {
  color: var(--lime);
  margin-left: 14px;
}
.menu-button {
  display: none;
  background: none;
  border: 0;
  font: 500 12px var(--mono);
}
.section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.hero {
  min-height: 680px;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.hero-copy {
  padding: 100px 5vw 90px 7vw;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.eyebrow {
  font: 500 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 30px;
}
.eyebrow span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 27px;
  height: 22px;
  padding: 0 6px;
  background: var(--ink);
  color: var(--lime);
  margin-right: 10px;
}
.hero h1,
.section-heading h2,
.problem h2,
.case-study h2,
.free-kit h2,
.about h2,
.faq h2 {
  font-size: clamp(46px, 6.1vw, 94px);
  line-height: 0.93;
  letter-spacing: -0.065em;
  margin: 0;
  font-weight: 600;
}
.hero h1 em,
h2 em {
  font-family: Georgia, serif;
  font-weight: 400;
}
.hero-lede {
  max-width: 580px;
  font-size: 18px;
  line-height: 1.65;
  margin: 36px 0;
  color: #464840;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 32px;
}
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 16px 22px;
  font: 700 12px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border: 1px solid var(--ink);
}
.button.primary {
  background: var(--ink);
  color: white;
}
.button.primary:hover {
  background: var(--lime);
  color: var(--ink);
}
.text-link {
  font: 600 12px var(--mono);
  text-transform: uppercase;
  border-bottom: 1px solid;
  padding-bottom: 5px;
}
.text-link span {
  margin-left: 14px;
}
.hero-visual {
  background: #171916;
  color: white;
  margin: 46px 4vw 46px 0;
  align-self: center;
  min-height: 560px;
  padding: 24px;
  box-shadow: 16px 16px 0 var(--lime);
  font-family: var(--mono);
}
.visual-head {
  display: flex;
  justify-content: space-between;
  color: #9d9f99;
  font-size: 10px;
  border-bottom: 1px solid #333630;
  padding-bottom: 18px;
}
.live {
  color: var(--lime);
}
.live i {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--lime);
  border-radius: 50%;
  margin-right: 6px;
}
.metric-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid #333630;
}
.metric-row > div {
  padding: 25px 0;
  display: grid;
  gap: 8px;
}
.metric-row > div + div {
  border-left: 1px solid #333630;
  padding-left: 25px;
}
.metric-row small,
.chart-label span {
  font-size: 9px;
  color: #90938c;
}
.metric-row strong {
  font: 500 clamp(21px, 2.4vw, 33px) var(--mono);
}
.metric-row span {
  font-size: 10px;
}
.up {
  color: var(--lime);
}
.down {
  color: var(--orange);
}
.chart-wrap {
  padding: 24px 0 10px;
}
.chart-label {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
}
.chart-wrap svg {
  width: 100%;
  height: 130px;
  margin-top: 10px;
}
.line {
  fill: none;
  stroke: var(--lime);
  stroke-width: 2;
}
.area {
  fill: url(#fill);
}
.funnel {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3px;
  margin: 8px 0 20px;
}
.funnel span {
  background: #252722;
  padding: 12px 8px;
  font-size: 8px;
  color: #999b95;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.funnel b {
  color: white;
  font-size: 13px;
}
.funnel .alert {
  border-bottom: 2px solid var(--orange);
}
.insight {
  background: #252722;
  padding: 13px;
  display: flex;
  gap: 12px;
  align-items: center;
}
.insight > span {
  border-radius: 50%;
  background: var(--orange);
  color: var(--ink);
  width: 25px;
  height: 25px;
  text-align: center;
  padding-top: 3px;
}
.insight p {
  font-size: 9px;
  color: #aaa;
  margin: 0;
}
.insight b {
  display: block;
  color: white;
  margin-bottom: 4px;
}
.hero-index {
  position: absolute;
  left: 2vw;
  bottom: 25px;
  writing-mode: vertical-rl;
  font: 10px var(--mono);
}
.proof-strip {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 30px;
  padding: 20px 4vw;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.proof-strip span {
  font: 10px var(--mono);
  color: #777;
}
.proof-strip b {
  letter-spacing: -0.03em;
}
.problem {
  padding: 130px 7vw;
  gap: 10vw;
}
.problem h2,
.about h2 {
  font-size: clamp(40px, 5vw, 72px);
}
.problem-copy {
  padding-top: 45px;
  max-width: 630px;
}
.problem-copy > p,
.about > div:last-child > p {
  font-size: 20px;
  line-height: 1.6;
  color: #3f413b;
}
.micro-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 60px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}
.micro-stats > div {
  display: flex;
  flex-direction: column;
}
.micro-stats strong {
  font-size: 35px;
}
.micro-stats span {
  font: 10px var(--mono);
  margin-top: 8px;
  color: #666;
}
.kits {
  padding: 100px 4vw 120px;
  background: #dedbd1;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin: 0 3vw 50px;
}
.section-heading h2 {
  font-size: clamp(48px, 6vw, 82px);
}
.section-heading > p {
  max-width: 360px;
  line-height: 1.6;
  color: #555;
}
.filter-row {
  display: flex;
  gap: 8px;
  margin: 0 3vw 25px;
}
.filter {
  font: 500 10px var(--mono);
  text-transform: uppercase;
  padding: 9px 14px;
  border: 1px solid #999;
  background: transparent;
  cursor: pointer;
}
.filter.active,
.filter:hover {
  background: var(--ink);
  color: white;
  border-color: var(--ink);
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.product {
  background: var(--paper);
  display: grid;
  grid-template-columns: 44% 56%;
  min-height: 435px;
  transition: 0.25s;
}
.product.hidden {
  display: none;
}
.product:hover {
  transform: translateY(-4px);
}
.product.featured {
  grid-column: span 2;
  grid-template-columns: 50% 50%;
  min-height: 550px;
}
.product-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.product-visual.lime {
  background: var(--lime);
}
.product-visual.dark {
  background: #23251f;
}
.product-visual.cream {
  background: #eeeadf;
}
.tag {
  position: absolute;
  top: 18px;
  left: 18px;
  font: 500 9px var(--mono);
  border: 1px solid;
  padding: 7px 9px;
}
.mini-window {
  width: 60%;
  background: #171916;
  color: white;
  padding: 24px;
  box-shadow: 12px 12px 0 rgba(0, 0, 0, 0.15);
  font-family: var(--mono);
}
.mini-top {
  display: flex;
  gap: 5px;
  border-bottom: 1px solid #3a3c37;
  padding-bottom: 14px;
}
.mini-top i {
  width: 6px;
  height: 6px;
  background: #777;
  border-radius: 50%;
}
.mini-window p {
  font-size: 9px;
  color: #999;
  margin-top: 25px;
}
.mini-window strong {
  font-size: 60px;
}
.mini-window strong span {
  font-size: 18px;
  color: #888;
}
.bar {
  height: 5px;
  background: #3b3d38;
  margin: 15px 0;
}
.bar i {
  display: block;
  height: 100%;
  background: var(--lime);
}
.mini-window small {
  font-size: 8px;
  color: var(--lime);
}
.product-copy {
  padding: 38px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.product-copy small {
  font: 9px var(--mono);
  color: #6b6d66;
}
.product-copy h3 {
  font-size: 28px;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin: 12px 0;
}
.product.featured .product-copy h3 {
  font-size: 40px;
}
.product-copy p {
  font-size: 14px;
  line-height: 1.6;
  color: #565851;
}
.product-copy ul {
  padding: 20px 0;
  margin: 20px 0;
  list-style: none;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.product-copy li {
  font: 10px var(--mono);
}
.product-copy li:before {
  content: "+";
  margin-right: 8px;
}
.price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.price-row strong {
  font-size: 23px;
}
.buy-button {
  background: transparent;
  border: 0;
  border-bottom: 1px solid;
  font: 600 10px var(--mono);
  text-transform: uppercase;
  padding: 8px 0;
  cursor: pointer;
}
.buy-button span {
  margin-left: 12px;
}
.event-list {
  width: 70%;
  font: 10px var(--mono);
  color: white;
}
.event-list p {
  display: flex;
  justify-content: space-between;
  padding: 11px;
  border-bottom: 1px solid #41433e;
}
.event-list span {
  color: var(--lime);
}
.event-list p:last-child span,
.event-list p:nth-last-child(2) span {
  color: var(--orange);
}
.report-card {
  background: white;
  padding: 24px;
  width: 70%;
  box-shadow: 8px 8px 0 #bbb8ae;
}
.report-card small {
  font: 9px var(--mono);
  color: #777;
}
.report-card b {
  display: block;
  font-size: 20px;
  margin: 10px 0 24px;
}
.report-card p {
  font: 10px var(--mono);
  padding: 8px 0;
  border-bottom: 1px solid #ddd;
}
.report-card i {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-right: 8px;
}
.good {
  background: #57bf54;
}
.bad {
  background: var(--orange);
}
.case-study {
  background: var(--ink);
  color: white;
  padding: 120px 7vw;
  gap: 10vw;
}
.eyebrow.light span {
  background: var(--lime);
  color: var(--ink);
}
.case-study h2 {
  font-size: clamp(48px, 5.8vw, 84px);
}
.case-copy > p:not(.eyebrow) {
  color: #b6b8b2;
  line-height: 1.7;
  max-width: 570px;
}
.case-result {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 45px 0;
}
.case-result strong {
  font-size: 65px;
  color: var(--lime);
}
.case-result span {
  font: 10px var(--mono);
  line-height: 1.5;
  max-width: 220px;
}
.light-button {
  border-color: white;
}
.light-button:hover {
  background: white;
  color: var(--ink);
}
.case-panel {
  border: 1px solid #41443e;
  align-self: end;
}
.case-stage {
  padding: 28px;
  display: grid;
  grid-template-columns: 110px 1fr auto;
  align-items: center;
  border-bottom: 1px solid #41443e;
}
.case-stage:last-child {
  border: 0;
}
.case-stage small {
  font: 9px var(--mono);
  color: #7d8178;
}
.case-stage b {
  font-size: 14px;
}
.case-stage span {
  font: 10px var(--mono);
  color: var(--lime);
}
.free-kit {
  padding: 100px 7vw;
  background: var(--lime);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10vw;
}
.free-kit h2 {
  font-size: clamp(46px, 5.5vw, 78px);
}
.free-kit > div > p:not(.eyebrow) {
  max-width: 520px;
  line-height: 1.7;
}
.signup-form {
  align-self: center;
}
.signup-form label {
  font: 10px var(--mono);
}
.signup-form > div {
  display: flex;
  margin: 12px 0;
}
.signup-form input {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 2px solid var(--ink);
  font: 18px var(--sans);
  padding: 15px 4px;
  outline: 0;
}
.signup-form button {
  background: var(--ink);
  color: white;
  border: 0;
  padding: 0 24px;
  font: 600 10px var(--mono);
  text-transform: uppercase;
}
.signup-form small {
  font: 9px var(--mono);
}
.form-success {
  display: none;
  font: 11px var(--mono);
  background: white;
  padding: 12px;
}
.signup-form.success .form-success {
  display: block;
}
.about {
  padding: 120px 7vw;
  gap: 10vw;
}
.about > div:last-child {
  padding-top: 40px;
}
.faq {
  padding: 100px 7vw;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10vw;
  border-top: 1px solid var(--line);
}
.faq h2 {
  font-size: clamp(50px, 5vw, 76px);
}
.faq-list details {
  border-top: 1px solid var(--line);
  padding: 22px 0;
}
.faq-list details:last-child {
  border-bottom: 1px solid var(--line);
}
.faq-list summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  cursor: pointer;
}
.faq-list summary::-webkit-details-marker {
  display: none;
}
.faq-list summary span {
  font: 20px var(--mono);
}
.faq-list details[open] summary span {
  transform: rotate(45deg);
}
.faq-list p {
  color: #555;
  line-height: 1.6;
  font-size: 14px;
  max-width: 560px;
}
footer {
  background: #dedbd1;
  padding: 70px 7vw 30px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 50px;
}
footer > div {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
footer .footer-brand {
  display: block;
}
.footer-brand b {
  vertical-align: 4px;
  margin-left: 8px;
}
.footer-brand p {
  font-family: Georgia, serif;
  font-size: 22px;
  line-height: 1.4;
}
footer small {
  font: 9px var(--mono);
  color: #6f716a;
  margin-bottom: 8px;
}
footer a {
  font-size: 13px;
}
.footer-note {
  grid-column: 1/-1;
  border-top: 1px solid var(--line);
  padding-top: 22px;
  flex-direction: row;
  justify-content: space-between;
  font: 9px var(--mono);
}
dialog {
  max-width: 570px;
  border: 0;
  padding: 50px;
  background: var(--paper);
  box-shadow: 18px 18px 0 var(--lime);
}
dialog::backdrop {
  background: rgba(10, 11, 9, 0.75);
}
dialog h2 {
  font-size: 42px;
  line-height: 1;
  letter-spacing: -0.05em;
}
dialog > p:not(.eyebrow) {
  line-height: 1.7;
  color: #555;
}
.modal-close {
  position: absolute;
  right: 18px;
  top: 15px;
  border: 0;
  background: none;
  font-size: 25px;
  cursor: pointer;
}
.modal-includes {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  font: 9px var(--mono);
  margin: 25px 0;
}
.modal-includes span {
  border: 1px solid var(--line);
  padding: 8px;
}
@media (max-width: 900px) {
  .nav-links {
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    background: var(--paper);
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 30px 5vw;
    border-bottom: 1px solid;
  }
  .nav-links.open {
    display: flex;
  }
  .menu-button {
    display: block;
  }
  .section-grid,
  .free-kit,
  .faq {
    grid-template-columns: 1fr;
  }
  .hero-copy {
    padding: 80px 6vw;
  }
  .hero-visual {
    margin: 0 6vw 70px;
    min-height: 500px;
  }
  .proof-strip {
    overflow: auto;
    justify-content: flex-start;
  }
  .proof-strip > * {
    flex: 0 0 auto;
  }
  .problem,
  .about,
  .faq,
  .case-study {
    padding: 90px 6vw;
  }
  .product-grid {
    grid-template-columns: 1fr;
  }
  .product,
  .product.featured {
    grid-column: auto;
    grid-template-columns: 1fr;
  }
  .product-visual {
    min-height: 340px;
  }
  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }
  .case-panel {
    width: 100%;
  }
  .free-kit {
    padding: 80px 6vw;
  }
  .free-kit > div,
  .signup-form {
    max-width: 650px;
  }
  footer {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1/-1;
  }
}
@media (max-width: 560px) {
  .announcement {
    font-size: 8px;
    gap: 8px;
  }
  .hero {
    min-height: 0;
  }
  .hero h1 {
    font-size: 48px;
  }
  .hero-copy {
    padding: 60px 6vw;
  }
  .hero-lede {
    font-size: 16px;
  }
  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }
  .hero-visual {
    padding: 16px;
    box-shadow: 8px 8px 0 var(--lime);
  }
  .metric-row strong {
    font-size: 18px;
  }
  .funnel {
    grid-template-columns: 1fr 1fr;
  }
  .problem,
  .about,
  .faq,
  .case-study {
    padding: 70px 6vw;
  }
  .micro-stats {
    gap: 15px;
  }
  .micro-stats strong {
    font-size: 28px;
  }
  .kits {
    padding: 70px 3vw;
  }
  .product-copy {
    padding: 26px;
  }
  .product.featured .product-copy h3,
  .product-copy h3 {
    font-size: 28px;
  }
  .product-copy ul {
    grid-template-columns: 1fr;
  }
  .case-stage {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .filter-row {
    overflow: auto;
  }
  .filter {
    flex: 0 0 auto;
  }
  .free-kit {
    padding: 70px 6vw;
  }
  .signup-form > div {
    flex-direction: column;
  }
  .signup-form button {
    padding: 17px;
  }
  .faq {
    gap: 50px;
  }
  footer {
    grid-template-columns: 1fr;
  }
  .footer-brand {
    grid-column: auto;
  }
  .footer-note {
    grid-column: 1;
    flex-direction: column;
  }
}
.cookie-banner {
  position: fixed;
  z-index: 50;
  left: 24px;
  right: 24px;
  bottom: 24px;
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--ink);
  box-shadow: 10px 10px 0 var(--ink);
  padding: 22px 24px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: center;
}
.cookie-banner[hidden] {
  display: none;
}
.cookie-banner strong {
  font-size: 16px;
}
.cookie-banner p {
  max-width: 720px;
  margin: 7px 0;
  font-size: 13px;
  line-height: 1.5;
  color: #555;
}
.cookie-banner a {
  font: 500 11px var(--mono);
  text-decoration: underline;
}
.cookie-actions {
  display: flex;
  gap: 8px;
}
.cookie-actions button,
.cookie-settings {
  border: 1px solid var(--ink);
  background: transparent;
  padding: 12px 15px;
  font: 600 10px var(--mono);
  text-transform: uppercase;
  cursor: pointer;
}
.cookie-actions .accept-cookies {
  background: var(--ink);
  color: #fff;
}
.cookie-settings {
  padding: 0;
  border: 0;
  border-bottom: 1px solid;
  width: max-content;
  text-transform: none;
  font-size: 13px;
  font-family: var(--sans);
  font-weight: 400;
}
@media (max-width: 700px) {
  .cookie-banner {
    left: 12px;
    right: 12px;
    bottom: 12px;
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .cookie-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .cookie-actions button {
    padding: 13px 8px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .product {
    transition: none;
  }
}
.study-nav {
  display: flex;
  gap: 28px;
  font: 500 12px var(--mono);
  text-transform: uppercase;
}
.study-hero {
  padding: 85px 7vw 65px;
  border-bottom: 1px solid var(--line);
}
.back-link {
  display: inline-block;
  font: 500 11px var(--mono);
  margin-bottom: 55px;
}
.study-hero h1 {
  font-size: clamp(58px, 8vw, 116px);
  line-height: 0.88;
  letter-spacing: -0.075em;
  margin: 0;
  font-weight: 600;
}
.study-hero h1 em {
  font-family: Georgia, serif;
  font-weight: 400;
}
.study-intro {
  font-size: 20px;
  line-height: 1.6;
  max-width: 780px;
  margin: 38px 0;
}
.disclosure {
  background: var(--lime);
  padding: 15px 18px;
  display: flex;
  gap: 25px;
  align-items: center;
  max-width: 900px;
  font-size: 13px;
}
.disclosure strong {
  font: 600 10px var(--mono);
  text-transform: uppercase;
  white-space: nowrap;
}
.study-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 60px 0 0;
  border-top: 1px solid var(--line);
  padding-top: 25px;
}
.study-meta div {
  border-right: 1px solid var(--line);
  padding-right: 20px;
}
.study-meta div + div {
  padding-left: 20px;
}
.study-meta dt,
.experiment-card dt {
  font: 9px var(--mono);
  color: #70726b;
}
.study-meta dd,
.experiment-card dd {
  margin: 8px 0 0;
  font-weight: 700;
  font-size: 13px;
}
.study-section {
  padding: 100px 7vw;
  border-bottom: 1px solid var(--line);
}
.study-section.split,
.recommendations,
.limitations {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10vw;
}
.section-number {
  font: 500 10px var(--mono);
  letter-spacing: 0.05em;
  margin: 0 0 25px;
}
.study-section h2,
.study-cta h2 {
  font-size: clamp(42px, 5vw, 76px);
  line-height: 1;
  letter-spacing: -0.055em;
  margin: 0;
}
.study-prose {
  font-size: 18px;
  line-height: 1.7;
  color: #454740;
}
.question-list {
  list-style: none;
  padding: 15px 0 0;
}
.question-list li {
  border-top: 1px solid var(--line);
  padding: 14px 0;
  font: 500 12px var(--mono);
}
.question-list li:before {
  content: "→";
  margin-right: 14px;
}
.dark-section {
  background: var(--ink);
  color: white;
}
.section-title {
  max-width: 970px;
  margin-bottom: 55px;
}
.section-title > p:last-child {
  color: #666;
  line-height: 1.6;
}
.measurement-table > div {
  display: grid;
  grid-template-columns: 0.8fr 1fr 1.2fr 1.5fr;
  padding: 18px 0;
  border-bottom: 1px solid #363834;
  gap: 15px;
  font-size: 14px;
}
.measurement-table .table-head {
  font: 9px var(--mono);
  color: #8a8d85;
}
.measurement-table code {
  color: var(--lime);
}
.method-note {
  font: 10px var(--mono);
  color: #999;
  margin-top: 25px;
}
.evidence-carousel {
  display: grid;
  grid-template-columns: 50px 1fr 50px;
  align-items: center;
  gap: 18px;
}
.carousel-track {
  overflow: hidden;
}
.evidence-slide {
  display: none;
  grid-template-columns: 1.5fr 0.65fr;
  background: #dcd9cf;
  min-height: 470px;
}
.evidence-slide.active {
  display: grid;
}
.carousel-arrow {
  width: 45px;
  height: 45px;
  border: 1px solid var(--ink);
  background: transparent;
  font-size: 20px;
  cursor: pointer;
}
.slide-copy {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.slide-copy > span {
  font: 10px var(--mono);
}
.slide-copy h3 {
  font-size: 28px;
  margin: 12px 0;
}
.slide-copy p {
  font-size: 14px;
  line-height: 1.6;
}
.sheet-mock,
.dashboard-mock,
.funnel-mock,
.device-mock {
  margin: 45px;
  background: white;
  box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.13);
  align-self: stretch;
}
.sheet-bar {
  background: #1f3025;
  color: white;
  padding: 14px;
  font: 9px var(--mono);
  display: flex;
  justify-content: space-between;
}
.sheet-bar b {
  color: var(--lime);
}
.sheet-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr 0.7fr 0.7fr;
  font: 10px var(--mono);
}
.sheet-grid > * {
  padding: 12px;
  border-right: 1px solid #ddd;
  border-bottom: 1px solid #ddd;
}
.sheet-grid b {
  background: #edf0e9;
}
.dashboard-mock {
  background: #171916;
  color: white;
  padding: 30px;
}
.dash-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.dash-kpis div {
  border: 1px solid #40423d;
  padding: 18px;
}
.dash-kpis small {
  display: block;
  color: #999;
  font: 8px var(--mono);
}
.dash-kpis strong {
  display: block;
  margin-top: 10px;
}
.trend-chart {
  height: 230px;
  border-bottom: 1px solid #555;
  display: flex;
  gap: 12px;
  align-items: end;
  padding: 25px;
}
.trend-chart i {
  background: var(--lime);
  flex: 1;
}
.funnel-mock {
  background: #171916;
  padding: 42px;
}
.funnel-mock div {
  background: #34362f;
  color: white;
  padding: 18px;
  margin: 8px auto;
  font: 10px var(--mono);
  display: flex;
  justify-content: space-between;
}
.funnel-mock .problem-step {
  background: var(--orange);
  color: var(--ink);
}
.device-mock {
  padding: 48px;
  position: relative;
}
.device-mock div {
  display: grid;
  grid-template-columns: 90px 55px 1fr;
  gap: 16px;
  align-items: center;
  margin: 30px 0;
  font: 10px var(--mono);
}
.device-mock i {
  height: 14px;
  background: var(--ink);
}
.device-mock small {
  grid-column: 1/-1;
  color: #777;
}
.device-mock em {
  color: var(--orange);
  font: 600 13px var(--mono);
}
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}
.carousel-dots button {
  width: 28px;
  height: 3px;
  border: 0;
  background: #aaa;
  cursor: pointer;
}
.carousel-dots button.active {
  background: var(--ink);
}
.findings-section {
  background: #dedbd1;
}
.finding-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.finding-grid article {
  background: var(--paper);
  padding: 30px;
  min-height: 300px;
}
.finding-grid article > span {
  font: 9px var(--mono);
}
.finding-grid strong {
  display: block;
  font-size: 55px;
  margin: 45px 0 12px;
}
.finding-grid h3 {
  font-size: 21px;
}
.finding-grid p {
  font-size: 14px;
  line-height: 1.6;
  color: #555;
}
.interpretation {
  display: grid;
  grid-template-columns: 180px 1fr;
  border-top: 1px solid var(--line);
  margin-top: 45px;
  padding-top: 25px;
}
.interpretation b {
  font: 10px var(--mono);
  text-transform: uppercase;
}
.interpretation p {
  font-size: 18px;
  line-height: 1.6;
  margin: 0;
  max-width: 760px;
}
.priority-list article {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 20px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.priority-list h3 {
  margin: 0;
  font-size: 18px;
}
.priority-list p {
  color: #555;
  line-height: 1.6;
  font-size: 14px;
}
.priority {
  font: 700 9px var(--mono);
  height: max-content;
  padding: 7px;
  text-align: center;
}
.priority.high {
  background: var(--orange);
}
.priority.medium {
  background: #dbbd56;
}
.experiment-section {
  background: var(--lime);
}
.experiment-card {
  display: grid;
  grid-template-columns: 1.5fr 0.7fr;
  gap: 8vw;
}
.experiment-card small {
  font: 9px var(--mono);
}
.experiment-card h2 {
  font-size: clamp(34px, 4vw, 56px);
  margin-top: 20px;
}
.experiment-card dl {
  margin: 0;
}
.experiment-card dl div {
  border-top: 1px solid rgba(0, 0, 0, 0.35);
  padding: 18px 0;
}
.experiment-note {
  font: 10px var(--mono);
  margin-top: 50px;
}
.limitations ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.limitations li {
  border-top: 1px solid var(--line);
  padding: 19px 0;
  font-size: 14px;
  line-height: 1.5;
}
.limitations li:before {
  content: "—";
  margin-right: 14px;
}
.study-cta {
  padding: 120px 7vw;
}
.study-cta > div {
  display: flex;
  gap: 30px;
  align-items: center;
  margin-top: 45px;
}
@media (max-width: 800px) {
  .study-nav {
    gap: 12px;
    font-size: 10px;
  }
  .study-nav a:nth-child(2) {
    display: none;
  }
  .study-hero {
    padding: 60px 6vw;
  }
  .study-meta {
    grid-template-columns: 1fr 1fr;
    gap: 22px;
  }
  .study-meta div {
    border: 0;
    padding: 0 !important;
  }
  .study-section {
    padding: 70px 6vw;
  }
  .study-section.split,
  .recommendations,
  .limitations,
  .experiment-card {
    grid-template-columns: 1fr;
    gap: 45px;
  }
  .measurement-table > div {
    grid-template-columns: 1fr 1fr;
  }
  .measurement-table > div span:last-child {
    display: none;
  }
  .evidence-carousel {
    grid-template-columns: 1fr;
  }
  .carousel-arrow {
    display: none;
  }
  .evidence-slide.active {
    grid-template-columns: 1fr;
  }
  .sheet-mock,
  .dashboard-mock,
  .funnel-mock,
  .device-mock {
    margin: 20px;
    min-height: 300px;
  }
  .slide-copy {
    padding: 25px;
  }
  .finding-grid {
    grid-template-columns: 1fr;
  }
  .interpretation {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  .disclosure {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
  .study-cta > div {
    align-items: flex-start;
    flex-direction: column;
  }
}
.project-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 2rem;
}

.dashboard-embed {
  position: relative;
  width: 65%;
  aspect-ratio: 16 / 9;
  margin: 2rem 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  background: #111;
}

.dashboard-embed iframe {
  width: 100%;
  height: 100%;
  border: 0;
}
.case-about {
  display: flex;
  align-items: center;
  gap: clamp(32px, 6vw, 96px);
  padding: 90px 7vw;
  background: #dedbd1;
}

.case-about-photo {
  width: clamp(180px, 25vw, 320px);
  aspect-ratio: 1;
  flex-shrink: 0;
  border-radius: 50%;
  object-fit: cover;
  object-position: center;
}

.case-about-copy {
  max-width: 610px;
}

.case-about-copy h2 {
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1;
  margin: 0 0 20px;
}

.case-about-copy > p:not(.section-number) {
  font-size: 17px;
  line-height: 1.7;
  margin-bottom: 28px;
}

@media (max-width: 700px) {
  .case-about {
    flex-direction: column;
    align-items: flex-start;
    padding: 70px 6vw;
  }

  .case-about-photo {
    width: 200px;
  }
}
.evidence-image {
  display: block;
  width: calc(100% - 48px);
  height: auto;
  object-fit: contain;
  margin: 24px;
  align-self: center;
}
.hero-split {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.hero-text {
  flex: 1;
}

.hero-image {
  flex: 0 0 auto;
}

.hero-image img {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(199, 255, 47, 0.6); /* optional accent */
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}