:root {
  --paper: oklch(94.7% 0.012 87);
  --paper-deep: oklch(89% 0.018 88);
  --ink: oklch(23% 0.025 174);
  --ink-soft: oklch(42% 0.025 171);
  --mineral: oklch(40% 0.075 169);
  --mineral-dark: oklch(29% 0.06 170);
  --mint: oklch(83% 0.075 164);
  --signal: oklch(62% 0.12 52);
  --line: color-mix(in oklch, var(--ink) 18%, transparent);
  --line-strong: color-mix(in oklch, var(--ink) 34%, transparent);
  --serif: "Newsreader", Georgia, serif;
  --sans: "IBM Plex Sans", sans-serif;
  --mono: "IBM Plex Mono", monospace;
  --page: min(1440px, calc(100% - clamp(32px, 7vw, 112px)));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 100; padding: 10px 14px; background: var(--ink); color: var(--paper); }
.skip-link:focus { top: 12px; }
:focus-visible { outline: 3px solid var(--signal); outline-offset: 4px; }

.site-header {
  width: var(--page);
  min-height: 88px;
  margin: auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid var(--line-strong);
}
.brand { display: inline-flex; align-items: center; gap: 10px; width: fit-content; text-decoration: none; font: 600 21px/1 var(--serif); letter-spacing: -.02em; }
.brand-mark { width: 30px; fill: none; stroke: currentColor; stroke-width: 1.4; }
.brand-mark circle { fill: var(--signal); stroke: var(--paper); }
nav { display: flex; gap: clamp(20px, 3vw, 44px); }
nav a, .header-download { font-size: 13px; font-weight: 600; text-decoration: none; }
nav a { color: var(--ink-soft); }
nav a:hover { color: var(--ink); }
.header-download { justify-self: end; border-bottom: 1px solid currentColor; padding: 6px 0; }

.hero {
  width: var(--page);
  margin: auto;
  padding: clamp(64px, 9vw, 132px) 0 clamp(70px, 9vw, 120px);
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(480px, 1.08fr);
  gap: clamp(52px, 8vw, 130px);
  align-items: center;
}
.eyebrow, .section-number, .instrument-kicker, .route-label {
  font: 500 11px/1.4 var(--mono);
  letter-spacing: .09em;
  text-transform: uppercase;
}
.eyebrow { display: flex; align-items: center; gap: 9px; color: var(--mineral); }
.status-dot { width: 7px; height: 7px; display: inline-block; border-radius: 50%; background: var(--mineral); box-shadow: 0 0 0 4px color-mix(in oklch, var(--mineral) 14%, transparent); }
h1, h2 { font-family: var(--serif); font-weight: 500; letter-spacing: -.045em; margin: 0; }
h1 { margin-top: 24px; font-size: clamp(54px, 6vw, 94px); line-height: .93; }
h1 em { color: var(--mineral); font-weight: inherit; }
.hero-lede { max-width: 620px; margin: 34px 0 0; color: var(--ink-soft); font-size: clamp(17px, 1.45vw, 21px); line-height: 1.55; }
.hero-actions { margin-top: 38px; display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 20px; min-height: 58px; padding: 12px 20px; text-decoration: none; font-weight: 600; font-size: 14px; transition: transform 180ms cubic-bezier(.22,1,.36,1), background 180ms ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { min-width: 250px; color: var(--paper); background: var(--mineral-dark); }
.button-primary:hover { background: var(--mineral); }
.button-primary small { padding-left: 18px; border-left: 1px solid color-mix(in oklch, var(--paper) 35%, transparent); color: var(--mint); font: 400 10px/1.3 var(--mono); text-transform: uppercase; }
.button-quiet { min-width: 0; padding-inline: 4px; border-bottom: 1px solid var(--line-strong); }
.download-note { margin: 16px 0 0; color: var(--ink-soft); font-size: 12px; }
.release-proof { max-width: 620px; margin: 22px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.release-proof div { padding: 11px 14px 12px 0; }
.release-proof dt { color: var(--ink-soft); font: 500 8px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.release-proof dd { margin: 5px 0 0; font-size: 11px; }
.release-proof code { font-family: var(--mono); font-size: 10px; }

.route-instrument { position: relative; border: 1px solid var(--line-strong); background: color-mix(in oklch, var(--paper) 78%, var(--mint)); box-shadow: 14px 14px 0 var(--paper-deep); }
.instrument-head { min-height: 84px; padding: 19px 22px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); }
.instrument-head div { display: grid; gap: 7px; }
.instrument-head strong { font: 500 16px/1.2 var(--serif); }
.instrument-kicker { color: var(--ink-soft); }
.validated { padding: 6px 9px; border: 1px solid var(--mineral); color: var(--mineral); font: 500 10px/1 var(--mono); text-transform: uppercase; }
.molecule-field { height: 250px; position: relative; overflow: hidden; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 28px 28px; }
.molecule-field svg { width: 100%; height: 100%; padding: 20px; }
.bonds path { fill: none; stroke: var(--mineral); stroke-width: 2; stroke-linejoin: round; }
.atoms circle { fill: var(--paper); stroke: var(--mineral-dark); stroke-width: 2; }
.atoms circle:nth-child(3n) { fill: var(--signal); stroke: var(--signal); }
.trajectory-readout { position: absolute; right: 16px; bottom: 14px; display: grid; grid-template-columns: auto auto; gap: 2px 13px; padding: 10px 12px; background: var(--paper); border: 1px solid var(--line-strong); font-family: var(--mono); }
.trajectory-readout span { font-size: 9px; color: var(--ink-soft); }
.trajectory-readout b { font-size: 12px; }
.trajectory-readout i { grid-column: 2; font-size: 9px; font-style: normal; color: var(--mineral); text-transform: uppercase; }
.route-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.route-step { min-height: 88px; padding: 17px; display: flex; align-items: flex-start; gap: 11px; border-right: 1px solid var(--line); }
.route-step:last-child { border-right: 0; }
.route-step strong, .route-step small { display: block; }
.route-step strong { font-size: 12px; }
.route-step small { margin-top: 5px; color: var(--ink-soft); font-size: 10px; line-height: 1.4; }
.step-index { color: var(--ink-soft); font: 400 9px/1 var(--mono); }
.route-step.complete { background: color-mix(in oklch, var(--mint) 25%, transparent); }
.route-step.active { box-shadow: inset 0 -3px var(--signal); }
.instrument-foot { min-height: 46px; display: grid; grid-template-columns: repeat(3, 1fr); align-items: center; border-top: 1px solid var(--line); font: 400 8px/1 var(--mono); color: var(--ink-soft); }
.instrument-foot span { padding: 0 14px; border-right: 1px solid var(--line); }
.instrument-foot span:last-child { border-right: 0; }
.instrument-foot b { margin-left: 4px; color: var(--ink); }

.trust-strip { min-height: 72px; padding: 0 max(4vw, calc((100% - min(1440px, 86vw)) / 2)); display: flex; justify-content: space-between; align-items: center; gap: 26px; border-top: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); color: var(--ink-soft); font: 500 10px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.trust-strip span::before { content: "◆"; margin-right: 9px; color: var(--signal); font-size: 7px; }

.section { width: var(--page); margin: auto; padding: clamp(90px, 12vw, 180px) 0; }
.workflow-section, .pricing-section, .questions { display: grid; grid-template-columns: minmax(260px, .72fr) minmax(0, 1.28fr); gap: clamp(70px, 10vw, 170px); }
.section-number { margin: 0 0 28px; color: var(--mineral); }
h2 { font-size: clamp(44px, 5.2vw, 78px); line-height: .98; }
.section-intro > p:last-child, .compute-heading + p { max-width: 500px; margin: 30px 0 0; color: var(--ink-soft); line-height: 1.65; }
.workflow-list { border-top: 1px solid var(--line-strong); }
.workflow { min-height: 190px; padding: 25px 0 30px; display: grid; grid-template-columns: 1fr 1.2fr; column-gap: 30px; border-bottom: 1px solid var(--line-strong); }
.workflow-meta { grid-column: 1 / -1; margin-bottom: 20px; display: flex; justify-content: space-between; color: var(--ink-soft); font: 500 9px/1 var(--mono); letter-spacing: .08em; }
.workflow h3 { margin: 0; font: 500 clamp(24px, 2.2vw, 34px)/1.08 var(--serif); }
.workflow p { margin: 0; color: var(--ink-soft); line-height: 1.55; }
.workflow.featured { position: relative; }
.workflow.featured::before { content: ""; position: absolute; left: -22px; top: 31px; width: 7px; height: 7px; border-radius: 50%; background: var(--signal); }
.workflow-engines { grid-column: 2; margin-top: 20px; display: flex; gap: 8px; }
.workflow-engines span { padding: 5px 7px; border: 1px solid var(--line); font: 500 9px/1 var(--mono); }

.compute-section { padding: clamp(90px, 11vw, 164px) max(4vw, calc((100% - min(1440px, 86vw)) / 2)); color: var(--paper); background: var(--mineral-dark); }
.compute-heading { display: flex; align-items: end; justify-content: space-between; }
.compute-heading .section-number { color: var(--mint); align-self: flex-start; }
.compute-routes { margin-top: 90px; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid color-mix(in oklch, var(--paper) 30%, transparent); border-bottom: 1px solid color-mix(in oklch, var(--paper) 30%, transparent); }
.compute-routes article { min-height: 360px; padding: 28px clamp(22px, 3vw, 48px) 28px 0; display: flex; flex-direction: column; border-right: 1px solid color-mix(in oklch, var(--paper) 24%, transparent); }
.compute-routes article + article { padding-left: clamp(22px, 3vw, 48px); }
.compute-routes article:last-child { border-right: 0; }
.route-label { color: var(--mint); }
.compute-routes h3 { margin: 62px 0 18px; font: 500 clamp(29px, 3vw, 42px)/1.05 var(--serif); }
.compute-routes p { margin: 0; color: color-mix(in oklch, var(--paper) 74%, var(--mineral)); line-height: 1.6; }
.compute-routes strong { margin-top: auto; color: var(--mint); font: 500 11px/1 var(--mono); text-transform: uppercase; }

.pricing-intro { align-self: start; position: sticky; top: 40px; }
.pricing-table { min-width: 0; border-top: 1px solid var(--line-strong); }
.price-row { min-height: 90px; display: grid; grid-template-columns: 1.15fr 1.1fr .55fr .75fr .9fr; align-items: center; gap: 12px; border-bottom: 1px solid var(--line-strong); }
.price-head { min-height: 46px; color: var(--ink-soft); font: 500 9px/1 var(--mono); }
.price-row strong { font-family: var(--serif); font-size: 21px; }
.price-row span { color: var(--ink-soft); font-size: 13px; }
.price-row b { font: 500 24px/1 var(--serif); }
.price-row b small { font: 400 11px/1 var(--sans); }
.price-row a { justify-self: end; font-size: 12px; font-weight: 600; }
.price-row.recommended { margin-inline: -18px; padding-inline: 18px; background: color-mix(in oklch, var(--mint) 26%, transparent); }
.price-row strong small { display: block; margin-top: 6px; color: var(--mineral); font: 500 8px/1 var(--mono); }
.pending-action { justify-self: end; font: 500 9px/1.2 var(--mono); text-transform: uppercase; }
.cloud-credit-row { padding: 27px 0; display: grid; grid-template-columns: 1fr 1.4fr; gap: 30px; }
.cloud-credit-row div { display: grid; gap: 8px; }
.cloud-credit-row span, .cloud-credit-row p { color: var(--ink-soft); font-size: 12px; }
.cloud-credit-row p { margin: 0; line-height: 1.5; }

.platforms { padding: clamp(85px, 10vw, 150px) max(4vw, calc((100% - min(1440px, 86vw)) / 2)); display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(70px, 11vw, 180px); background: var(--paper-deep); }
.platforms > div:first-child > p:last-child { max-width: 550px; color: var(--ink-soft); line-height: 1.6; }
.platform-actions { border-top: 1px solid var(--line-strong); }
.platform { min-height: 92px; padding: 0 15px; display: grid; grid-template-columns: 48px 1fr auto; align-items: center; gap: 18px; border-bottom: 1px solid var(--line-strong); text-decoration: none; }
.platform.available:hover { background: color-mix(in oklch, var(--mint) 35%, transparent); }
.platform-icon { font: 500 25px/1 var(--serif); }
.platform strong, .platform small { display: block; }
.platform small { margin-top: 5px; color: var(--ink-soft); }
.platform b { font: 500 10px/1 var(--mono); }
.platform.unavailable { color: var(--ink-soft); }

.questions { align-items: start; }
.faq-list { border-top: 1px solid var(--line-strong); }
details { border-bottom: 1px solid var(--line-strong); }
summary { min-height: 80px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; font: 500 18px/1.3 var(--serif); list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font: 400 20px/1 var(--mono); }
details[open] summary::after { content: "−"; }
details p { max-width: 650px; margin: -4px 50px 27px 0; color: var(--ink-soft); line-height: 1.6; }

.closing { padding: clamp(70px, 8vw, 120px) max(4vw, calc((100% - min(1440px, 86vw)) / 2)); display: flex; justify-content: space-between; align-items: end; gap: 50px; color: var(--paper); background: var(--mineral); }
.closing .eyebrow { color: var(--mint); margin-bottom: 22px; }
.closing .status-dot { background: var(--mint); }
.closing h2 { font-size: clamp(42px, 5vw, 72px); }
.closing .button-primary { color: var(--ink); background: var(--mint); }
.closing .button-primary small { color: var(--mineral-dark); border-color: var(--mineral); }

footer { width: var(--page); min-height: 170px; margin: auto; display: grid; grid-template-columns: auto 1fr auto auto; align-items: center; gap: 45px; }
footer p, footer small { color: var(--ink-soft); font-size: 11px; }
footer div { display: flex; gap: 22px; }
footer div a { font-size: 11px; }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  nav { display: none; }
  .hero { grid-template-columns: 1fr; }
  .route-instrument { max-width: 720px; }
  .workflow-section, .pricing-section, .questions, .platforms { grid-template-columns: 1fr; }
  .section-intro { max-width: 660px; }
  .pricing-intro { position: static; }
  .compute-heading { display: block; }
  .compute-routes { grid-template-columns: 1fr; }
  .compute-routes article { min-height: 260px; padding: 30px 0; border-right: 0; border-bottom: 1px solid color-mix(in oklch, var(--paper) 24%, transparent); }
  .compute-routes article + article { padding-left: 0; }
  .compute-routes article:last-child { border-bottom: 0; }
  .compute-routes h3 { margin-top: 35px; }
  footer { grid-template-columns: 1fr 1fr; padding-block: 45px; }
}

@media (max-width: 650px) {
  :root { --page: calc(100% - 36px); }
  .site-header { min-height: 72px; }
  .header-download { font-size: 12px; }
  .hero { padding-top: 62px; gap: 62px; }
  h1 { font-size: clamp(48px, 15vw, 70px); }
  .button-primary { width: 100%; }
  .button-quiet { width: auto; }
  .route-instrument { margin-right: 8px; box-shadow: 8px 8px 0 var(--paper-deep); }
  .molecule-field { height: 210px; }
  .route-grid { grid-template-columns: 1fr; }
  .route-step { min-height: 67px; border-right: 0; border-bottom: 1px solid var(--line); }
  .route-step:last-child { border-bottom: 0; }
  .instrument-foot { grid-template-columns: 1fr; }
  .instrument-foot span { min-height: 34px; display: flex; align-items: center; border-right: 0; border-bottom: 1px solid var(--line); }
  .trust-strip { padding: 26px 18px; display: grid; grid-template-columns: 1fr 1fr; line-height: 1.5; }
  .release-proof { grid-template-columns: 1fr; }
  .release-proof div { border-bottom: 1px solid var(--line); }
  .release-proof div:last-child { border-bottom: 0; }
  .workflow-section, .pricing-section, .questions { gap: 65px; }
  .workflow { grid-template-columns: 1fr; gap: 14px; }
  .workflow p, .workflow-engines { grid-column: 1; }
  .price-head { display: none; }
  .price-row { min-height: 124px; grid-template-columns: 1fr auto; padding-block: 18px; }
  .price-row strong { grid-column: 1; grid-row: 1; }
  .price-row b { grid-column: 2; grid-row: 1; justify-self: end; }
  .price-row span:nth-of-type(1) { grid-column: 1; grid-row: 2; }
  .price-row span:nth-of-type(2) { grid-column: 2; grid-row: 2; justify-self: end; }
  .price-row a, .price-row .pending-action { grid-column: 1 / -1; grid-row: 3; justify-self: start; }
  .pending-action { max-width: none; text-align: left; }
  .cloud-credit-row { grid-template-columns: 1fr; }
  .closing { align-items: stretch; flex-direction: column; }
  footer { grid-template-columns: 1fr; gap: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}