:root {
  --ink: #172b25;
  --muted: #6b7770;
  --paper: #f6f4ec;
  --white: #fffefa;
  --green: #285b42;
  --green-dark: #17392e;
  --green-light: #dce9d5;
  --tomato: #e26049;
  --line: rgba(23, 43, 37, .14);
  --serif: "Manrope", "DM Sans", sans-serif;
  --sans: "DM Sans", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
button, input { font: inherit; }

.site-header { height: 82px; padding: 0 7.1%; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(23,43,37,.09); background: var(--paper); position: relative; z-index: 2; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font: 800 22px var(--serif); letter-spacing: -1.2px; }
.brand-mark { display: grid; place-items: center; width: 30px; height: 30px; color: white; background: var(--green); border-radius: 10px 10px 10px 3px; font: 800 15px var(--serif); }
.brand-accent { color: var(--tomato); }
.main-nav { display: flex; gap: 36px; margin-left: 8%; }
.main-nav a, .header-cta { font-size: 12px; font-weight: 600; text-decoration: none; }
.main-nav a { color: #57665e; transition: color .2s; }
.main-nav a:hover, .text-link:hover { color: var(--tomato); }
.header-cta { padding: 12px 17px; border: 1px solid var(--line); border-radius: 3px; }
.header-cta span { margin-left: 10px; color: var(--tomato); }

.hero { min-height: 650px; padding: 82px 7.1% 91px; display: grid; grid-template-columns: 1fr .91fr; gap: 5.5%; position: relative; align-items: center; overflow: hidden; }
.hero::before { content: ""; position: absolute; width: 260px; height: 260px; border: 1px solid rgba(40,91,66,.09); border-radius: 50%; left: 42%; top: -130px; }
.hero-copy { padding: 10px 0 26px; z-index: 1; }
.eyebrow, .section-kicker, .callout-label, .panel-label, .form-eyebrow { text-transform: uppercase; letter-spacing: 1.55px; font-size: 9px; font-weight: 700; }
.eyebrow { display: flex; gap: 9px; align-items: center; color: #66776d; margin: 0 0 26px; }
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: #83a76d; box-shadow: 0 0 0 4px rgba(131,167,109,.15); }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: var(--serif); letter-spacing: -2.8px; }
.hero h1 { font-size: clamp(44px, 5vw, 69px); line-height: 1.08; margin: 0 0 24px; font-weight: 700; }
.hero h1 span, h2 span { color: var(--green); }
.hero-intro { color: #68756e; max-width: 430px; line-height: 1.8; font-size: 14px; }
.hero-actions { display: flex; align-items: center; gap: 25px; margin-top: 31px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 25px; border: 0; text-decoration: none; cursor: pointer; transition: background .2s, transform .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { min-height: 48px; padding: 0 19px; color: white; background: var(--green); font-weight: 600; font-size: 11px; border-radius: 3px; }
.button-primary:hover { background: var(--green-dark); }
.button-primary span { color: #d8e8ca; font-size: 17px; }
.text-link { color: var(--green); font-size: 11px; font-weight: 700; text-decoration: none; }
.text-link span { color: var(--tomato); margin-left: 8px; }
.hero-proof { display: flex; gap: 13px; align-items: center; margin-top: 62px; padding-top: 18px; border-top: 1px solid var(--line); max-width: 410px; }
.proof-icon { width: 33px; height: 33px; border-radius: 50%; display: grid; place-items: center; color: var(--green); background: var(--green-light); font-size: 19px; }
.hero-proof p { margin: 0; color: #778078; line-height: 1.7; font-size: 10px; }
.hero-proof strong { color: var(--ink); font-size: 11px; }
.hero-visual { position: relative; justify-self: end; width: 100%; max-width: 510px; height: 465px; }
.hero-visual::after { content: ""; position: absolute; inset: 0; border: 1px solid rgba(255,255,255,.46); border-radius: 2px; pointer-events: none; }
.hero-visual > img { width: 100%; height: 100%; object-fit: cover; object-position: center; filter: saturate(.86); }
.photo-credit { position: absolute; right: 10px; bottom: 9px; color: white; font-size: 8px; text-shadow: 0 1px 8px #172b25; z-index: 1; }
.photo-credit a { color: white; }
.image-note { position: absolute; left: -42px; bottom: 51px; z-index: 1; display: flex; align-items: center; gap: 11px; padding: 13px 18px 13px 13px; background: var(--white); box-shadow: 0 12px 35px rgba(20,40,28,.13); }
.note-spark { display: grid; place-items: center; width: 32px; height: 32px; color: var(--tomato); background: #fff0e9; border-radius: 50%; font-size: 17px; }
.image-note strong, .image-note small { display: block; }
.image-note strong { font: 700 10px var(--serif); }
.image-note small { margin-top: 4px; color: var(--muted); font-size: 9px; }
.hero-index { position: absolute; right: -32px; top: 48%; writing-mode: vertical-rl; font-size: 9px; letter-spacing: 2px; color: var(--green); }
.hero-index span { color: #b3b9b2; }
.scroll-cue { position: absolute; bottom: 28px; left: 7.1%; color: #778078; text-decoration: none; text-transform: uppercase; letter-spacing: 1.3px; font-size: 8px; }
.scroll-cue span { margin-right: 8px; color: var(--tomato); font-size: 15px; }

.section-pad { padding: 96px 9.4%; }
.section-kicker { display: flex; align-items: center; gap: 12px; margin-bottom: 35px; color: #778078; }
.section-kicker > span:first-child { color: var(--tomato); }
.kicker-line { width: 31px; height: 1px; background: #c5c8bd; }
.intro-section { background: var(--white); }
.intro-grid { display: grid; grid-template-columns: 1fr .77fr; gap: 12%; align-items: start; }
h2 { margin: 0; font-size: clamp(34px, 4.3vw, 53px); line-height: 1.12; font-weight: 700; }
.intro-copy { padding-top: 4px; }
.intro-copy p, .validation-copy { color: #66736c; line-height: 1.85; font-size: 13px; }
.dark-link { display: inline-block; margin-top: 12px; }
.stat-strip { margin-top: 75px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); padding-top: 24px; }
.stat-strip > div { display: flex; align-items: center; gap: 13px; border-right: 1px solid var(--line); padding-left: 25px; }
.stat-strip > div:first-child { padding-left: 0; }
.stat-strip > div:last-child { border: 0; }
.stat-number { color: var(--green); font: 700 20px var(--serif); letter-spacing: -1px; }
.stat-label { color: #778078; font-size: 9px; line-height: 1.6; }

.data-section { background: #edf0e7; }
.section-heading-row { display: flex; justify-content: space-between; gap: 8%; align-items: end; }
.section-heading-row .section-lede { max-width: 360px; margin: 0 2px 5px 0; color: #69766f; font-size: 12px; line-height: 1.8; }
.data-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 48px; }
.data-card { min-height: 287px; padding: 23px; background: var(--white); display: flex; flex-direction: column; align-items: flex-start; }
.data-card-featured { background: var(--green-dark); color: white; }
.card-topline { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.data-icon { display: grid; place-items: center; width: 33px; height: 33px; color: var(--green); background: #e9f0e5; border-radius: 50%; font-size: 17px; }
.data-card-featured .data-icon { color: white; background: rgba(255,255,255,.14); }
.data-tag { color: #7c897f; text-transform: uppercase; letter-spacing: 1px; font-size: 8px; font-weight: 700; }
.data-card-featured .data-tag { color: #b5c5b5; }
.data-card h3 { margin: 23px 0 10px; font: 700 23px var(--serif); letter-spacing: -.8px; }
.data-card p { margin: 0 0 17px; color: #718077; line-height: 1.7; font-size: 10px; }
.data-card-featured p { color: #d2ded3; }
.data-card > a { margin-top: auto; color: var(--green); text-decoration: none; font-size: 10px; font-weight: 700; }
.data-card > a span { color: var(--tomato); margin-left: 7px; }
.data-card-featured > a { color: white; }
.data-card small { margin-top: 14px; padding-top: 11px; border-top: 1px solid var(--line); color: #879188; font-size: 8px; line-height: 1.6; }
.data-card-featured small { border-color: rgba(255,255,255,.16); color: #b5c5b5; }
.dataset-note { display: flex; gap: 12px; align-items: flex-start; max-width: 780px; margin-top: 22px; }
.dataset-note > span { display: grid; flex: 0 0 19px; place-items: center; width: 19px; height: 19px; background: #dce7d5; color: var(--green); border-radius: 50%; font-size: 10px; font-weight: 700; }
.dataset-note p { margin: 0; color: #6c7971; font-size: 9px; line-height: 1.7; }
.dataset-note strong { color: var(--ink); }

.method-section { background: var(--paper); }
.method-heading { align-items: end; }
.process-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 58px; }
.process-step { min-height: 205px; padding: 0 23px; border-left: 1px solid var(--line); position: relative; }
.process-step:first-child { padding-left: 0; border: 0; }
.step-number { color: var(--tomato); font-size: 9px; font-weight: 700; }
.step-symbol { display: block; height: 48px; margin: 17px 0 10px; color: var(--green); font-size: 30px; line-height: 1; }
.process-step h3 { margin: 0 0 10px; font: 700 15px var(--serif); }
.process-step p { margin: 0; color: #748078; font-size: 10px; line-height: 1.8; }
.svm-callout { margin-top: 37px; padding: 20px 23px; background: #e9ede2; display: grid; grid-template-columns: 50px 1fr 30px; align-items: center; gap: 17px; }
.callout-mark { display: grid; place-items: center; width: 43px; height: 43px; color: white; background: var(--green); border-radius: 50%; font: 800 17px var(--serif); }
.callout-label { color: var(--green); font-size: 8px; }
.svm-callout p { margin: 7px 0 0; color: #66736c; font-size: 10px; line-height: 1.7; }
.svm-callout code, .api-contract code { font-family: "Consolas", monospace; font-size: .95em; }
.svm-callout > a { color: var(--tomato); font-size: 20px; text-decoration: none; }

.validation-section { background: var(--white); }
.validation-grid { display: grid; grid-template-columns: .78fr 1fr; gap: 11%; align-items: center; }
.validation-copy { margin: 24px 0 8px; }
.validation-panel { border: 1px solid var(--line); padding: 22px 24px; }
.panel-header { display: flex; justify-content: space-between; align-items: center; padding-bottom: 17px; border-bottom: 1px solid var(--line); }
.panel-label { color: #6e7a71; font-size: 8px; }
.status-pill { display: inline-flex; align-items: center; gap: 6px; color: #a25c3d; background: #fff0e5; padding: 6px 9px; border-radius: 30px; font-size: 8px; font-weight: 700; }
.status-pill span { width: 5px; height: 5px; background: #d58558; border-radius: 50%; }
.validation-row { display: grid; grid-template-columns: 25px 1fr 25px; gap: 10px; align-items: start; padding: 17px 0; border-bottom: 1px solid var(--line); }
.validation-index, .validation-mark { color: var(--tomato); font-size: 9px; font-weight: 700; }
.validation-row strong, .validation-row small { display: block; }
.validation-row strong { font-size: 10px; }
.validation-row small { margin-top: 5px; color: #7e8980; font-size: 8px; line-height: 1.6; }
.validation-mark { color: #adb6ac; text-align: right; }
.validation-disclaimer { margin-top: 16px; padding: 12px; background: #f5f1e8; color: #6d766d; font-size: 8px; line-height: 1.7; }
.validation-disclaimer strong { color: var(--ink); }

.model-section { background: var(--green-dark); color: white; padding-top: 102px; padding-bottom: 105px; }
.model-layout { display: grid; grid-template-columns: .77fr 1fr; gap: 9%; align-items: start; }
.light-kicker { color: #b1c2b6; }
.light-kicker .kicker-line { background: rgba(255,255,255,.28); }
.light-kicker > span:first-child { color: #f08a70; }
.model-copy h2 { font-size: clamp(35px, 4vw, 49px); }
.model-copy h2 span { color: #b9d1ad; }
.model-copy > p { max-width: 380px; margin: 23px 0 0; color: #c0cec4; font-size: 12px; line-height: 1.85; }
.model-status { display: flex; align-items: center; gap: 12px; margin-top: 32px; }
.status-ring { width: 28px; height: 28px; border: 1px solid #8eae93; border-radius: 50%; position: relative; }
.status-ring::after { content: ""; position: absolute; width: 7px; height: 7px; top: 9px; left: 9px; background: #aacb9f; border-radius: 50%; }
.model-status strong, .model-status small { display: block; }
.model-status strong { font-size: 10px; }
.model-status small { margin-top: 4px; color: #aebfb2; font-size: 9px; }
.api-contract { margin-top: 38px; padding-top: 17px; border-top: 1px solid rgba(255,255,255,.18); }
.api-contract span { display: block; margin-bottom: 8px; color: #9fb3a5; text-transform: uppercase; letter-spacing: 1px; font-size: 8px; }
.api-contract .api-response-label { margin-top: 13px; }
.api-contract code { display: block; color: #e2eee0; font-size: 9px; line-height: 1.6; overflow-wrap: anywhere; }
.prediction-card { padding: 27px; color: var(--ink); background: var(--white); box-shadow: 0 20px 60px rgba(4,22,14,.18); }
.form-head { display: flex; justify-content: space-between; align-items: start; }
.form-eyebrow { color: var(--tomato); font-size: 8px; }
.form-head h3 { margin: 6px 0 0; font: 700 23px var(--serif); letter-spacing: -.7px; }
.form-step { color: var(--green); font: 700 11px var(--serif); }
.form-step i { color: #aab3aa; font-style: normal; font-weight: 500; }
.form-description { margin: 11px 0 20px; color: #7b857d; font-size: 9px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 13px 12px; }
.form-grid label { color: #58665d; font-size: 8px; font-weight: 700; line-height: 1.4; }
.form-grid input { display: block; width: 100%; height: 38px; margin-top: 5px; padding: 0 10px; border: 1px solid #dfe3db; border-radius: 2px; outline: none; color: var(--ink); background: #fff; font-size: 10px; font-weight: 400; }
.form-grid input:focus { border-color: var(--green); box-shadow: 0 0 0 2px rgba(40,91,66,.12); }
.form-grid input::placeholder { color: #aab1a9; }
.full-field { grid-column: 1 / -1; }
.predict-button { width: 100%; margin-top: 19px; }
.predict-button:disabled { cursor: wait; opacity: .7; }
.prediction-result { margin-top: 13px; padding: 10px 12px; font-size: 10px; line-height: 1.6; }
.prediction-result[data-state="notice"], .prediction-result[data-state="loading"] { color: #71552c; background: #fff3dc; }
.prediction-result[data-state="success"] { color: #23573f; background: #e8f2e4; }
.prediction-result[data-state="error"] { color: #8b382b; background: #fff0e9; }
.form-footnote { margin: 12px 0 0; color: #899188; font-size: 8px; line-height: 1.6; }

.team-section { background: #edf0e7; }
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 19px; margin-top: 45px; }
.team-card { min-width: 0; }
.team-photo { position: relative; height: 272px; overflow: hidden; background: #dce4d7; }
.team-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 34%; filter: saturate(.76); }
.team-photo > span { position: absolute; bottom: 11px; right: 12px; color: white; font: 700 10px var(--serif); text-shadow: 0 1px 7px #263a2e; }
.team-role { margin: 19px 0 6px; color: var(--tomato); text-transform: uppercase; letter-spacing: 1px; font-size: 8px; font-weight: 700; }
.team-card h3 { margin: 0; font: 700 17px var(--serif); }
.team-detail { max-width: 270px; margin: 7px 0 0; color: #778078; font-size: 10px; line-height: 1.65; }
.team-note { margin: 23px 0 0; color: #788279; font-size: 9px; font-style: italic; }

.reading-section { background: var(--white); }
.reading-section h2 { font-size: 39px; }
.reading-list { margin-top: 29px; border-top: 1px solid var(--line); }
.reading-list > a { display: grid; grid-template-columns: 39px 1fr 25px; gap: 14px; align-items: center; padding: 19px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.reading-list > a > span:first-child { color: var(--tomato); font-size: 9px; font-weight: 700; }
.reading-list strong, .reading-list small { display: block; }
.reading-list strong { font: 600 12px var(--serif); }
.reading-list small { margin-top: 6px; color: #818a82; font-size: 9px; }
.reading-arrow { color: var(--green); font-size: 17px; text-align: right; }
.reading-list a:hover .reading-arrow { color: var(--tomato); transform: translate(2px,-2px); }
.reading-footnote { max-width: 700px; margin: 15px 0 0; color: #7c867e; font-size: 9px; line-height: 1.7; }

.site-footer { min-height: 88px; padding: 20px 7.1%; display: flex; align-items: center; justify-content: space-between; background: #e9ece3; }
.footer-brand { font-size: 18px; }
.footer-brand .brand-mark { width: 26px; height: 26px; font-size: 13px; }
.site-footer p, .site-footer > a:last-child { margin: 0; color: #788179; font-size: 9px; }
.site-footer > a:last-child { text-decoration: none; }

@media (max-width: 900px) {
  .site-header { padding: 0 5%; }
  .main-nav { gap: 20px; margin-left: 0; }
  .hero { padding-left: 5%; padding-right: 5%; gap: 4%; }
  .hero-visual { height: 410px; }
  .hero-index { right: -17px; }
  .section-pad { padding: 78px 6%; }
  .process-step { padding: 0 14px; }
  .model-layout { gap: 5%; }
  .team-photo { height: 230px; }
}
@media (max-width: 650px) {
  html { scroll-padding-top: 67px; }
  .site-header { height: 67px; }
  .main-nav { display: none; }
  .header-cta { padding: 10px 12px; font-size: 10px; }
  .hero { display: flex; flex-direction: column; align-items: stretch; padding: 57px 7% 77px; gap: 38px; }
  .hero-copy { padding: 0; }
  .hero h1 { font-size: 47px; letter-spacing: -2px; }
  .hero-intro { font-size: 13px; }
  .hero-proof { margin-top: 34px; }
  .hero-visual { justify-self: auto; max-width: none; height: 350px; }
  .image-note { left: -11px; bottom: 26px; }
  .hero-index { right: 9px; top: 16px; color: white; text-shadow: 0 1px 5px #333; }
  .scroll-cue { left: 7%; bottom: 25px; }
  .section-pad { padding: 70px 7%; }
  .section-kicker { margin-bottom: 26px; }
  .intro-grid, .validation-grid, .model-layout { grid-template-columns: 1fr; gap: 29px; }
  h2 { font-size: 39px; letter-spacing: -2px; }
  .stat-strip { grid-template-columns: 1fr 1fr; gap: 20px 0; margin-top: 42px; }
  .stat-strip > div { padding-left: 14px; }
  .stat-strip > div:nth-child(odd) { padding-left: 0; }
  .stat-strip > div:nth-child(2) { border: 0; }
  .section-heading-row { display: block; }
  .section-heading-row .section-lede { margin-top: 19px; }
  .data-cards { grid-template-columns: 1fr; margin-top: 30px; }
  .data-card { min-height: 255px; }
  .process-flow { grid-template-columns: 1fr 1fr; gap: 28px 0; margin-top: 39px; }
  .process-step { min-height: 195px; padding: 0 13px; }
  .process-step:nth-child(odd) { padding-left: 0; border-left: 0; }
  .step-symbol { margin-top: 12px; }
  .svm-callout { grid-template-columns: 40px 1fr; padding: 16px; gap: 12px; }
  .callout-mark { width: 36px; height: 36px; }
  .svm-callout > a { display: none; }
  .validation-panel { padding: 16px; }
  .model-layout { gap: 37px; }
  .model-copy h2 { font-size: 40px; }
  .prediction-card { padding: 21px 17px; }
  .team-grid { grid-template-columns: 1fr; gap: 29px; margin-top: 31px; }
  .team-photo { height: 330px; }
  .team-detail { max-width: 100%; }
  .reading-section h2 { font-size: 34px; }
  .reading-list > a { grid-template-columns: 24px 1fr 20px; gap: 9px; }
  .reading-list strong { font-size: 11px; line-height: 1.6; }
  .site-footer { padding: 22px 7%; flex-wrap: wrap; gap: 14px; }
  .site-footer p { order: 3; width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}
