:root {
  --forest: #172723; --teal: #7fb3a7; --gold: #f2c567; --coral: #de674e;
  --ice: #e8f2f4; --paper: #f9fbfa; --muted: #53655f; --line: #cbd8d3;
  --font: Inter, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; letter-spacing: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; background: var(--paper); color: var(--forest); font: 16px var(--font); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img, video { max-width: 100%; height: auto; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 800; }
h2 { font-size: 3rem; line-height: 1.08; }
h3 { font-size: 1.35rem; line-height: 1.2; }
p { line-height: 1.65; }
a:focus-visible, button:focus-visible, video:focus-visible { outline: 3px solid var(--coral); outline-offset: 6px; }
::selection { background: var(--gold); color: var(--forest); }
.shell { width: min(1200px, calc(100% - 80px)); margin-inline: auto; }
.eyebrow { font-size: .75rem; font-weight: 800; text-transform: uppercase; line-height: 1.4; }
.skip-link { position: fixed; top: -80px; left: 20px; z-index: 50; background: var(--gold); padding: 12px; }
.skip-link:focus { top: 10px; }
.site-header { height: 88px; display: flex; align-items: center; justify-content: space-between; padding: 0 40px; border-bottom: 1px solid var(--line); background: var(--paper); position: sticky; top: 0; z-index: 20; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; flex-shrink: 0; }
.brand img { display: block; width: 48px; height: 48px; }
.brand span { font-size: .95rem; font-weight: 850; line-height: 1.05; }
.site-header nav { display: flex; align-items: center; gap: 28px; font-size: .875rem; font-weight: 700; }
.site-header nav a { text-decoration: none; }
.site-header nav a:hover, .footer-links a:hover { text-decoration: underline; text-underline-offset: 5px; }
.nav-github { border-left: 1px solid var(--line); padding-left: 28px; }
.hero { position: relative; isolation: isolate; background: var(--ice); overflow: hidden; }
.hero-inner { min-height: 590px; display: flex; align-items: center; padding-block: 56px; }
.hero-copy { max-width: 610px; width: 54%; position: relative; }
.hero h1 { font-size: 5.5rem; line-height: .98; margin: 24px 0; }
.hero-heading { font-size: 1.35rem; font-weight: 750; line-height: 1.3; max-width: 480px; }
.hero-lede { font-size: 1rem; color: var(--muted); max-width: 455px; margin-top: 16px; }
.hero-emblem { position: absolute; z-index: -1; object-fit: contain; right: max(35px, calc((100% - 1240px)/2)); top: 70px; width: 43%; max-width: 490px; height: 490px; }
.actions { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; margin-top: 28px; }
.button { display: inline-flex; gap: 28px; align-items: center; justify-content: space-between; min-height: 48px; padding: 13px 20px; border-radius: 4px; font-size: .9rem; font-weight: 750; text-decoration: none; transition: background .15s; }
.button.primary { color: var(--forest); background: var(--gold); border: 1px solid var(--forest); }
.button.primary:hover { background: #ffda90; }
.text-link { display: inline-flex; align-items: center; gap: 12px; font-size: .9rem; font-weight: 750; text-underline-offset: 5px; }
.text-link:hover { color: #a33e2c; }
.hero-baseline { min-height: 58px; border-top: 1px solid #bacfd0; display: flex; align-items: center; justify-content: space-between; gap: 20px; font-size: .78rem; font-weight: 650; }
.product-band { background: var(--forest); color: var(--paper); padding: 64px 0 0; }
.product-intro { display: grid; grid-template-columns: 1.15fr 1fr; gap: 100px; }
.product-band .eyebrow { color: var(--teal); }
.product-intro h2 { font-size: 4rem; margin: 16px 0; }
.product-promise { font-size: 1.65rem; font-weight: 650; line-height: 1.35; max-width: 620px; }
.product-detail { padding-top: 38px; }
.product-detail p { color: #c6d9d2; margin-bottom: 18px; }
.product-detail .text-link { margin-top: 8px; }
.light { color: var(--gold); }
.light:hover { color: white; }
.signal-row { display: flex; gap: 26px; flex-wrap: wrap; margin-top: 52px; padding: 22px 0; border-top: 1px solid #3c5149; font-size: .78rem; color: #c6d9d2; }
.signal-row span:before { content: "+"; color: var(--gold); margin-right: 10px; }
.section { padding-block: 96px; }
.section-heading { max-width: 820px; margin-bottom: 44px; }
.section-heading .eyebrow { margin-bottom: 18px; color: #425e54; }
.section-heading > p:not(.eyebrow) { max-width: 660px; color: var(--muted); margin-top: 24px; }
.section-heading > .text-link { margin-top: 22px; }
.problem-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 38px; }
.problem-grid article { border-top: 3px solid var(--coral); padding-top: 22px; }
.index { display: block; font-size: .73rem; font-weight: 750; margin-bottom: 28px; color: var(--muted); }
.problem-grid h3 { max-width: 270px; margin-bottom: 16px; }
.problem-grid p { color: var(--muted); font-size: .95rem; }
.stack-band { background: #e4ece8; }
.system-rows { border-top: 1px solid #b7c9c0; }
.system-row { display: grid; grid-template-columns: 82px 1fr 1.5fr .65fr; gap: 32px; align-items: center; padding: 30px 0; border-bottom: 1px solid #b7c9c0; }
.system-row img { width: 76px; height: 76px; }
.system-row h3 { font-size: 2rem; margin-top: 9px; }
.system-row p:not(.eyebrow) { max-width: 460px; font-size: .95rem; color: #455b51; }
.system-row .eyebrow { font-size: .7rem; }
.system-verb { font-size: 1.25rem; font-weight: 750; text-align: right; }
.trust-plane { display: grid; grid-template-columns: 1fr 2fr; gap: 18px 54px; margin-top: 40px; border-left: 4px solid var(--teal); padding-left: 28px; }
.trust-plane .eyebrow { align-self: center; }
.trust-plane p:not(.eyebrow) { grid-column: 2; color: #455b51; max-width: 720px; }
.trust-plane a { grid-column: 2; justify-self: start; }
.proof-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 38px; margin: 40px 0 26px; }
.proof-grid article { padding: 24px 0; border-top: 1px solid var(--line); }
.proof-grid strong { display: block; font-size: 2.75rem; margin-bottom: 20px; }
.proof-grid h3 { font-size: 1rem; margin-bottom: 12px; }
.proof-grid p { font-size: .9rem; color: var(--muted); }
figcaption { font-size: .8rem; color: var(--muted); margin-top: 14px; }
.workflow-band { background: var(--ice); }
.workflow { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 0; padding: 0; border-top: 1px solid #b9cdd1; border-left: 1px solid #b9cdd1; }
.workflow li { padding: 22px; border-right: 1px solid #b9cdd1; border-bottom: 1px solid #b9cdd1; min-height: 112px; display: flex; flex-direction: column; gap: 22px; }
.workflow li span { font-size: .7rem; color: var(--muted); }
.workflow li strong { font-size: 1.15rem; }
.workflow-summary { display: flex; align-items: center; justify-content: space-between; gap: 36px; margin-top: 28px; }
.workflow-summary p { max-width: 650px; color: var(--muted); font-size: .9rem; }
.workflow-summary a { flex-shrink: 0; }
.learning-section picture { display: block; background: #fff; border-block: 1px solid var(--line); padding: 30px 0; }
.learning-section img { width: 100%; height: auto; display: block; }
.cta-band { background: var(--forest); color: white; }
.cta-inner { padding-block: 72px; }
.cta-inner .eyebrow { color: var(--teal); margin-bottom: 20px; }
.cta-inner h2 { font-size: 3.5rem; }
.cta-inner > p:not(.eyebrow) { color: #c6d9d2; margin-top: 22px; }
.site-footer { padding-block: 36px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 36px; }
.footer-inner > p { font-size: .8rem; color: var(--muted); }
.footer-links { display: flex; gap: 22px; font-size: .8rem; }
.footer-links a { text-decoration: none; }
.brand-intro { padding: 72px 0 44px; }
.brand-intro h1 { font-size: 4.5rem; margin: 20px 0; }
.brand-intro p:not(.eyebrow) { max-width: 650px; color: var(--muted); }
.brand-previews { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.brand-preview { margin: 0; }
.logo-surface { display: flex; align-items: center; justify-content: center; min-height: 260px; padding: 42px; background: var(--ice); }
.logo-surface.dark { background: var(--forest); }
.logo-surface img { width: 100%; max-width: 460px; height: auto; }
.brand-preview figcaption { display: flex; justify-content: space-between; gap: 20px; }
.asset-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; margin-top: 44px; }
.asset-item { border-top: 1px solid var(--line); padding-top: 20px; }
.asset-item img { display: block; width: 100%; height: 140px; object-fit: contain; margin-bottom: 24px; }
.asset-item h3 { font-size: 1rem; margin-bottom: 12px; }
.asset-item .text-link { font-size: .8rem; }
.swatches { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 20px; }
.swatch > span { display: block; height: 105px; border: 1px solid #1727231f; margin-bottom: 12px; }
.swatch strong, .swatch code { display: block; font-size: .8rem; line-height: 1.6; }
.swatch-forest { background: #172723; }.swatch-teal { background: #7fb3a7; }.swatch-gold { background: #f2c567; }.swatch-coral { background: #de674e; }.swatch-ice { background: #e8f2f4; }
.brand-rules { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-top: 48px; }
.brand-rules h3 { margin-bottom: 16px; }
.brand-rules p { font-size: .95rem; color: var(--muted); }
@media (min-width: 1600px) {
  .hero-inner { min-height: 660px; }.hero-emblem { top: 74px; max-width: 540px; height: 540px; }.hero h1 { font-size: 6rem; }
}
@media (max-width: 1050px) {
  .shell { width: calc(100% - 56px); }.site-header { padding-inline: 28px; }.site-header nav { gap: 18px; }.nav-github { padding-left: 18px; }
  .hero h1 { font-size: 4.5rem; }.hero-copy { width: 55%; }.hero-emblem { right: 24px; width: 41%; top: 90px; height: 420px; }.hero-inner { min-height: 570px; }
  .product-intro { gap: 48px; }.system-row { grid-template-columns: 70px 1fr 1.5fr; gap: 24px; }.system-verb { display: none; }.footer-inner { flex-wrap: wrap; }
  .asset-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }.swatches { gap: 12px; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 132px; }.shell { width: calc(100% - 40px); }
  .site-header { height: auto; min-height: 106px; align-items: flex-start; padding: 14px 20px 10px; gap: 12px; flex-wrap: wrap; }
  .brand img { width: 40px; height: 40px; }.brand span { font-size: .8rem; }
  .site-header nav { width: 100%; justify-content: space-between; gap: 10px; font-size: .75rem; }.nav-github { border: 0; padding: 0; }
  .hero-inner { min-height: 0; padding-block: 32px 200px; }.hero-copy { width: 100%; max-width: 580px; }
  .hero h1 { font-size: 4rem; margin: 18px 0; }.hero-heading { font-size: 1.15rem; }.hero-lede { max-width: 490px; font-size: .95rem; }
  .hero-emblem { width: 160px; height: 160px; right: calc(50% - 80px); top: auto; bottom: 68px; }
  .hero-baseline { font-size: .65rem; min-height: 54px; gap: 16px; }.actions { gap: 22px; }.button, .text-link { font-size: .8rem; }
  .product-band { padding-top: 48px; }.product-intro { grid-template-columns: 1fr; gap: 28px; }.product-intro h2 { font-size: 3rem; }.product-promise { font-size: 1.5rem; }.product-detail { padding-top: 0; }
  .signal-row { gap: 14px 22px; margin-top: 30px; }.section { padding-block: 64px; }h2 { font-size: 2.2rem; }.section-heading { margin-bottom: 32px; }
  .problem-grid, .proof-grid { grid-template-columns: 1fr; gap: 26px; }.problem-grid article { padding-top: 20px; }.problem-grid h3 { max-width: none; }.index { margin-bottom: 16px; }
  .system-row { grid-template-columns: 64px 1fr; gap: 16px 22px; padding: 24px 0; }.system-row img { width: 64px; height: 64px; }.system-row > p { grid-column: 1/-1; }.system-row h3 { font-size: 1.8rem; }
  .trust-plane { display: block; padding-left: 20px; }.trust-plane h3 { margin: 16px 0; }.trust-plane a { margin-top: 20px; }
  .proof-grid { gap: 8px; margin-top: 24px; }.proof-grid strong { font-size: 2.5rem; margin-bottom: 12px; }
  .workflow { grid-template-columns: repeat(2, minmax(0, 1fr)); }.workflow-summary { display: block; }.workflow-summary a { margin-top: 20px; }
  .cta-inner { padding-block: 56px; }.cta-inner h2 { font-size: 2.5rem; }.footer-inner { align-items: flex-start; gap: 26px; }.footer-links { flex-wrap: wrap; gap: 20px; }
  .brand-intro { padding-top: 44px; }.brand-intro h1 { font-size: 3rem; }.brand-previews { grid-template-columns: 1fr; }.logo-surface { padding: 28px; min-height: 190px; }
  .swatches { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }.brand-rules { grid-template-columns: 1fr; gap: 28px; }.asset-grid { gap: 20px; }.asset-item img { height: 110px; }.brand-preview figcaption { font-size: .75rem; }
}
@media (max-width: 380px) {
  .hero h1 { font-size: 3.5rem; }.hero-heading { font-size: 1.08rem; }
  .hero-baseline { font-size: .6rem; }.actions { gap: 18px; }
  .site-header nav { font-size: .68rem; }.brand-intro h1 { font-size: 2.5rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; }* { transition: none !important; } }
@media (max-width: 760px) and (max-height: 740px) {
  .hero-inner { padding-block: 24px 30px; }
  .hero h1 { font-size: 2.75rem; margin-block: 20px; }
  .hero-copy > .eyebrow { max-width: 210px; font-size: .65rem; }
  .hero-emblem { width: 76px; height: 76px; right: 20px; top: 75px; bottom: auto; }
  .hero-lede { display: none; }
  .hero-heading { max-width: 350px; font-size: 1rem; }
  .hero-baseline { min-height: 48px; }
  .product-band { padding-top: 28px; }
}
