:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ink: #141715;
  --muted: #69706c;
  --faint: #616964;
  --line: #e7e8e4;
  --line-strong: #d9dcd6;
  --paper: #ffffff;
  --canvas: #fafaf8;
  --tint: #f6f7f4;
  --blue: #0068c5;
  --blue-soft: #edf6ff;
  --green: #177747;
  background: var(--canvas);
  color: var(--ink);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--canvas); color: var(--ink); }
a { color: inherit; text-decoration: none; }
button, a { font: inherit; }
img { max-width: 100%; }
code { padding: .08em .32em; border: 1px solid var(--line); border-radius: 4px; background: #fff; font: .88em ui-monospace, SFMono-Regular, Consolas, monospace; }
a:focus-visible, summary:focus-visible { outline: 3px solid #8dc9ff; outline-offset: 3px; border-radius: 4px; }

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  min-height: 66px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
  padding: 0 clamp(22px, 4vw, 70px);
  border-bottom: 1px solid rgba(231, 232, 228, .86);
  background: rgba(250, 250, 248, .92);
  backdrop-filter: blur(16px);
}

.brand { display: inline-flex; align-items: center; gap: 9px; width: max-content; font-size: 14px; font-weight: 760; letter-spacing: -.02em; }
.brand img { width: 25px; height: 25px; border-radius: 6px; }
.site-header nav { display: flex; align-items: center; gap: 26px; color: #626965; font-size: 13px; }
.site-header nav a:hover, .sign-in:hover { color: var(--ink); }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 18px; }
.sign-in { color: #626965; font-size: 13px; }

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 7px;
  font-size: 14px;
  font-weight: 690;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.button:hover { transform: translateY(-1px); }
.button--small { min-height: 38px; padding-inline: 15px; font-size: 12px; }
.button--dark { background: #131614; color: #fff; box-shadow: 0 5px 18px rgba(20, 23, 21, .12); }
.button--dark:hover { background: #292e2b; }
.button--light { border-color: var(--line-strong); background: #fff; color: #343a36; }
.button--light:hover { border-color: #bfc4be; }
.button--disabled { border-color: var(--line); background: #f1f2ef; color: #939a95; cursor: default; }
.button--disabled:hover { transform: none; }

.hero { padding: 98px clamp(22px, 6vw, 90px) 92px; text-align: center; }
.eyebrow { margin-bottom: 15px; color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.hero h1 { max-width: 890px; margin: 0 auto; font-size: clamp(42px, 5.9vw, 82px); line-height: .98; letter-spacing: -.062em; }
.hero-copy { max-width: 690px; margin: 24px auto 0; color: var(--muted); font-size: clamp(17px, 1.7vw, 21px); line-height: 1.55; }
.hero-actions { display: flex; justify-content: center; gap: 10px; margin-top: 31px; }
.quiet-note { margin: 15px 0 0; color: var(--faint); font-size: 12px; }

.product-frame { max-width: 1190px; margin: 74px auto 0; overflow: hidden; border: 1px solid var(--line-strong); border-radius: 12px; background: var(--paper); box-shadow: 0 30px 80px rgba(38, 45, 40, .11); text-align: left; }
.product-frame__topbar, .product-frame__footer { min-height: 42px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 15px; color: #5e6761; font-size: 10px; }
.product-frame__topbar { border-bottom: 1px solid var(--line); }
.product-frame__topbar strong { color: #555c57; font-weight: 680; }
.window-dots { display: flex; gap: 5px; }
.window-dots i { width: 7px; height: 7px; border-radius: 50%; background: #d8dbd7; }
.status { justify-self: end; display: flex; align-items: center; gap: 6px; }
.status i, .product-frame__footer i, .saved i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
.build-strip { min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 9px 13px; border-bottom: 1px solid var(--line); background: #fbfcfb; }
.build-strip div { min-width: 0; display: flex; align-items: baseline; gap: 12px; }
.build-strip span { flex: none; color: var(--blue); font-size: 9px; font-weight: 780; letter-spacing: .08em; text-transform: uppercase; }
.build-strip strong { overflow: hidden; color: #4d544f; font-size: 12px; font-weight: 570; text-overflow: ellipsis; white-space: nowrap; }
.build-strip .working { padding: 7px 10px; border-radius: 5px; background: var(--blue); color: #fff; letter-spacing: 0; text-transform: none; }
.workspace-preview { min-height: 480px; display: grid; grid-template-columns: 190px minmax(0, 1fr) 290px; background: #f6f7f5; }
.skill-list { padding: 20px 13px; border-right: 1px solid var(--line); background: #fcfcfb; }
.list-title { display: flex; align-items: center; justify-content: space-between; margin: 0 8px 14px; color: #626964; font-size: 10px; font-weight: 750; text-transform: uppercase; }
.list-title b { color: var(--blue); font-size: 17px; font-weight: 500; }
.skill-item { display: flex; align-items: center; gap: 9px; min-height: 36px; padding: 0 9px; border-radius: 6px; color: #6f7671; font-size: 11px; }
.skill-item i { width: 13px; height: 15px; border: 1px solid #b9beb9; border-radius: 2px; }
.skill-item.is-active { background: var(--blue-soft); color: #2172b2; font-weight: 650; }
.skill-item.is-active i { border-color: #7fbcf0; }
.skill-list small { display: block; margin: 24px 8px 0; color: #616964; font-size: 9px; }
.skill-paper, .reference-paper { align-self: stretch; margin: 18px; border: 1px solid var(--line); border-radius: 7px; background: #fff; box-shadow: 0 8px 25px rgba(31, 37, 33, .05); }
.skill-paper { margin-right: 0; padding: 34px 42px 28px; }
.paper-label { margin-bottom: 28px; color: #606862; font-size: 9px; }
.skill-paper h2 { margin: 0; font-size: 25px; letter-spacing: -.04em; }
.skill-paper h3 { margin: 25px 0 9px; font-size: 12px; }
.skill-paper p, .reference-paper p { color: #606762; font-size: 11px; line-height: 1.55; }
.muted { margin-top: 6px; color: #616964 !important; }
.text-lines { display: grid; gap: 6px; }
.text-lines i { display: block; height: 4px; border-radius: 3px; background: #e6e9e5; }
.text-lines i:nth-child(1) { width: 92%; }
.text-lines i:nth-child(2) { width: 74%; }
.text-lines i:nth-child(3) { width: 84%; }
.proposal { display: grid; gap: 4px; margin-top: 28px; padding: 12px; border: 1px solid #cde4fb; border-radius: 5px; background: #f6faff; color: #2d70aa; font-size: 10px; }
.proposal strong { font-size: 10px; }
.reference-paper { margin-left: 12px; padding: 22px; }
.reference-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 15px; border-bottom: 1px solid var(--line); color: #5f6862; font-size: 9px; text-transform: uppercase; }
.reference-head b { color: var(--green); font-size: 8px; }
.reference-paper h3 { margin: 24px 0 10px; font-size: 15px; }
.reference-paper mark { background: #e8f4ff; color: #3f6686; }
.reference-paper blockquote { margin: 22px 0; padding: 12px; border-left: 2px solid #bdddf7; background: #f7fbfe; color: #627078; font-size: 10px; line-height: 1.5; }
.reference-paper small { color: #616964; font-size: 9px; }
.product-frame__footer { grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.product-frame__footer span { display: flex; align-items: center; gap: 6px; }
.product-frame__footer span:last-child { justify-self: end; }

.section { padding: 110px clamp(22px, 6vw, 90px); }
.section--bordered { border-top: 1px solid var(--line); }
.section--tint { background: var(--tint); }
.section-heading { max-width: 500px; }
.section-heading--center { margin-inline: auto; text-align: center; }
.section-heading h2, .split-copy h2 { margin: 0; font-size: clamp(34px, 4vw, 55px); line-height: 1.02; letter-spacing: -.055em; }
.section-heading p, .split-copy > p { margin: 17px 0 0; color: var(--muted); font-size: 16px; line-height: 1.6; }
.steps { max-width: 1120px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 46px; margin: 66px auto 0; }
.steps article { padding-top: 24px; border-top: 1px solid var(--line-strong); }
.steps article > span { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--blue-soft); color: var(--blue); font-size: 11px; font-weight: 760; }
.steps h3 { margin: 19px 0 8px; font-size: 18px; letter-spacing: -.025em; }
.steps p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }

.feature-panel { max-width: 900px; margin: 62px auto 0; padding: 38px; border: 1px solid var(--line); border-radius: 9px; background: #fff; }
.feature-panel__intro h3 { margin: 0; font-size: 25px; letter-spacing: -.04em; }
.feature-panel__intro p { margin: 7px 0 0; color: var(--muted); font-size: 13px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 34px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.feature-grid article { min-height: 180px; padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature-grid article > span, .trust-grid article > span { color: #4f5852; font-size: 17px; }
.feature-grid h4 { margin: 18px 0 7px; font-size: 14px; }
.feature-grid p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.55; }

.split-section { display: grid; grid-template-columns: minmax(0, 460px) minmax(480px, 650px); justify-content: center; align-items: center; gap: clamp(65px, 8vw, 130px); }
.split-copy .button { margin-top: 26px; }
.split-copy small { display: block; margin-top: 13px; color: var(--faint); font-size: 11px; line-height: 1.5; }
.browser-card, .file-card { overflow: hidden; border: 1px solid var(--line-strong); border-radius: 9px; background: #fff; box-shadow: 0 22px 55px rgba(35, 42, 37, .09); }
.browser-card > header, .file-card > header { min-height: 42px; display: flex; align-items: center; justify-content: space-between; padding: 0 15px; border-bottom: 1px solid var(--line); color: #5e6761; font-size: 10px; }
.browser-card > header i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
.browser-card__body { min-height: 285px; display: grid; grid-template-columns: 145px 1fr; }
.browser-card__body nav { display: flex; flex-direction: column; gap: 14px; padding: 22px 17px; border-right: 1px solid var(--line); background: #fafbf9; color: #616964; font-size: 10px; }
.browser-card__body nav strong { color: var(--blue); }
.browser-card__body > div { padding: 35px; }
.browser-card__body h3 { margin: 0; font-size: 22px; letter-spacing: -.035em; }
.browser-card__body p { margin: 8px 0 26px; color: var(--muted); font-size: 12px; }
.browser-card__body article { display: flex; justify-content: space-between; margin-top: 9px; padding: 12px; border: 1px solid var(--line); border-radius: 5px; font-size: 10px; }
.browser-card__body article span { color: var(--green); }
.desktop-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 26px; }
.desktop-actions .button { margin-top: 0; }
.file-card__body { min-height: 310px; display: grid; grid-template-columns: 150px 1fr; }
.file-card__body aside { display: flex; flex-direction: column; gap: 12px; padding: 28px 20px; border-right: 1px solid var(--line); background: #fafbf9; color: #616964; font-size: 10px; }
.file-card__body aside strong { color: #343a36; }
.file-card__body > div { padding: 43px; }
.file-card__body h3 { margin: 0 0 30px; font-size: 18px; }
.saved { display: flex; align-items: center; gap: 7px; margin-top: 35px; color: var(--green); font-size: 10px; }

.trust-section { display: grid; grid-template-columns: minmax(0, 410px) minmax(500px, 680px); justify-content: center; gap: clamp(65px, 8vw, 130px); }
.trust-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.trust-grid article { min-height: 170px; padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust-grid h3 { margin: 16px 0 7px; font-size: 15px; }
.trust-grid p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.55; }

.faq-section { display: grid; grid-template-columns: minmax(0, 410px) minmax(500px, 680px); justify-content: center; gap: clamp(65px, 8vw, 130px); }
.faq-list { border-top: 1px solid var(--line-strong); }
.faq-list details { border-bottom: 1px solid var(--line-strong); }
.faq-list summary { min-height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 20px; list-style: none; cursor: pointer; font-size: 14px; font-weight: 650; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; color: #858c87; font-size: 19px; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list p { max-width: 570px; margin: -2px 0 22px; color: var(--muted); font-size: 13px; line-height: 1.6; }

.final-cta { padding: 125px 22px; text-align: center; }
.final-cta h2 { max-width: 760px; margin: 0 auto; font-size: clamp(42px, 5.4vw, 74px); line-height: .98; letter-spacing: -.06em; }
.final-cta p { margin: 18px 0 0; color: var(--muted); font-size: 16px; }
.final-cta > div { display: flex; justify-content: center; gap: 9px; margin-top: 31px; }
.site-footer { min-height: 150px; display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 35px clamp(22px, 6vw, 90px); border-top: 1px solid var(--line); color: var(--muted); }
.site-footer p { margin: 0; font-size: 12px; }
.site-footer nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 18px; font-size: 12px; }
.site-footer nav a:hover { color: var(--ink); }

.article-shell, .hub-shell { width: min(100% - 36px, 1160px); margin: 0 auto; padding: 92px 0 110px; }
.article-shell { display: grid; grid-template-columns: minmax(0, 760px) minmax(250px, 330px); align-items: start; gap: clamp(58px, 8vw, 105px); }
.article-hero { padding-bottom: 38px; border-bottom: 1px solid var(--line-strong); }
.article-kicker, .hub-hero > span { display: inline-block; margin-bottom: 18px; color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.article-hero h1, .hub-hero h1 { margin: 0; font-size: clamp(42px, 5.4vw, 70px); line-height: 1; letter-spacing: -.058em; }
.article-hero > p, .hub-hero > p { max-width: 750px; margin: 22px 0 0; color: var(--muted); font-size: clamp(17px, 1.8vw, 21px); line-height: 1.58; }
.article-meta { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 24px; color: var(--faint); font-size: 11px; }
.article-note { display: grid; grid-template-columns: 150px 1fr; gap: 20px; margin: 28px 0 44px; padding: 18px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 1.55; }
.article-note strong { color: var(--ink); }
.article-body { color: #353b37; font-size: 17px; line-height: 1.76; }
.article-body .article-lede { margin-top: 0; color: #242925; font-size: 20px; line-height: 1.65; }
.article-body h2, .article-sources h2, .related-reading h2, .article-cta h2, .hub-crosslink h2 { margin: 58px 0 16px; color: var(--ink); font-size: 30px; line-height: 1.13; letter-spacing: -.04em; }
.article-body p { margin: 0 0 22px; }
.article-body ul, .article-body ol { display: grid; gap: 11px; margin: 0 0 28px; padding-left: 24px; }
.article-body li { padding-left: 5px; }
.article-body a, .article-sources a { color: #075fae; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.article-body pre { max-width: 100%; margin: 28px 0 32px; overflow-x: auto; border: 1px solid #202521; border-radius: 8px; background: #171a18; color: #eff4f0; }
.article-body pre code { display: block; min-width: max-content; padding: 23px; border: 0; background: transparent; color: inherit; font-size: 13px; line-height: 1.7; }
.table-wrap { max-width: 100%; margin: 26px 0 36px; overflow-x: auto; border: 1px solid var(--line-strong); border-radius: 8px; }
.article-body table { width: 100%; min-width: 640px; border-collapse: collapse; background: #fff; font-size: 13px; line-height: 1.5; }
.article-body th, .article-body td { padding: 13px 15px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.article-body th { background: #f5f6f3; color: var(--ink); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; }
.article-sources { margin-top: 70px; padding-top: 1px; border-top: 1px solid var(--line-strong); }
.article-sources > p { color: var(--muted); font-size: 13px; }
.article-sources ol { display: grid; gap: 11px; padding-left: 20px; color: var(--muted); font-size: 13px; line-height: 1.55; }
.article-cta { display: flex; align-items: center; justify-content: space-between; gap: 28px; margin-top: 64px; padding: 28px; border: 1px solid #cae2f7; border-radius: 10px; background: #f3f9ff; }
.article-cta span { color: var(--blue); font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.article-cta h2 { margin: 6px 0 8px; font-size: 24px; }
.article-cta p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.article-cta .button { flex: none; }
.related-reading { position: sticky; top: 95px; }
.related-reading h2 { margin-top: 0; font-size: 18px; }
.related-reading > div { display: grid; border-top: 1px solid var(--line-strong); }
.related-reading a { display: block; padding: 20px 0; border-bottom: 1px solid var(--line-strong); }
.related-reading a > span, .content-grid article span { color: var(--blue); font-size: 9px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.related-reading strong { display: block; margin-top: 7px; font-size: 14px; line-height: 1.35; }
.related-reading p { margin: 7px 0 0; color: var(--muted); font-size: 11px; line-height: 1.5; }
.hub-hero { max-width: 800px; padding-bottom: 55px; }
.content-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-strong); border-left: 1px solid var(--line-strong); }
.content-grid article { min-height: 285px; border-right: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); background: #fff; }
.content-grid article a { height: 100%; display: flex; flex-direction: column; padding: 28px; }
.content-grid h2 { margin: 18px 0 10px; font-size: 22px; line-height: 1.15; letter-spacing: -.035em; }
.content-grid p { margin: 0 0 28px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.content-grid strong { margin-top: auto; color: #315d80; font-size: 12px; }
.content-grid i { font-style: normal; }
.hub-crosslink { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 420px) auto; align-items: end; gap: 40px; margin-top: 75px; padding-top: 35px; border-top: 1px solid var(--line-strong); }
.hub-crosslink h2 { margin: 0; font-size: 30px; }
.hub-crosslink p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.hub-crosslink a { color: var(--blue); font-size: 13px; font-weight: 700; }

@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav, .sign-in { display: none; }
  .workspace-preview { grid-template-columns: 150px minmax(0, 1fr); }
  .reference-paper { grid-column: 1 / -1; margin: 0 14px 14px; }
  .skill-paper { margin-right: 14px; }
  .split-section, .trust-section, .faq-section { grid-template-columns: minmax(0, 680px); }
  .article-shell { grid-template-columns: minmax(0, 760px); }
  .related-reading { position: static; }
  .content-grid { grid-template-columns: 1fr 1fr; }
  .hub-crosslink { grid-template-columns: 1fr; align-items: start; gap: 16px; }
}

@media (max-width: 620px) {
  .site-header { min-height: 58px; padding-inline: 14px; }
  .brand span { font-size: 13px; }
  .header-actions .button { min-height: 38px; padding-inline: 12px; }
  .hero { padding: 70px 15px 65px; }
  .hero h1 { font-size: clamp(41px, 13vw, 58px); }
  .hero-copy { font-size: 16px; }
  .hero-actions, .final-cta > div { flex-direction: column; align-items: stretch; }
  .quiet-note { padding-inline: 15px; }
  .product-frame { margin-top: 52px; border-radius: 9px; }
  .product-frame__topbar { grid-template-columns: 1fr 1fr; }
  .product-frame__topbar strong { display: none; }
  .build-strip { align-items: flex-start; }
  .build-strip div { display: grid; gap: 5px; }
  .build-strip strong { white-space: normal; }
  .workspace-preview { min-height: 0; grid-template-columns: 1fr; }
  .skill-list { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 14px; border-right: 0; border-bottom: 1px solid var(--line); }
  .list-title, .skill-list small { grid-column: 1 / -1; }
  .skill-paper { margin: 12px; padding: 28px 24px; }
  .reference-paper { margin: 0 12px 12px; }
  .product-frame__footer { grid-template-columns: 1fr; gap: 6px; padding-block: 10px; }
  .product-frame__footer span:last-child { justify-self: start; }
  .section { padding: 78px 18px; }
  .section-heading h2, .split-copy h2 { font-size: 38px; }
  .steps { grid-template-columns: 1fr; gap: 12px; margin-top: 45px; }
  .steps article { min-height: 0; }
  .feature-panel { padding: 24px 18px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .feature-grid article { min-height: 165px; padding: 18px 14px; }
  .split-section, .trust-section, .faq-section { gap: 48px; }
  .browser-card__body, .file-card__body { grid-template-columns: 105px 1fr; }
  .browser-card__body > div, .file-card__body > div { padding: 25px 18px; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .trust-grid article { min-height: 185px; padding: 18px 14px; }
  .final-cta { padding: 90px 18px; }
  .site-footer { min-height: 135px; align-items: flex-start; flex-direction: column; justify-content: center; }
  .site-footer nav { justify-content: flex-start; }
  .article-shell, .hub-shell { width: min(100% - 30px, 1160px); padding: 62px 0 78px; }
  .article-hero h1, .hub-hero h1 { font-size: 42px; }
  .article-note { grid-template-columns: 1fr; gap: 6px; }
  .article-body { font-size: 16px; }
  .article-body .article-lede { font-size: 18px; }
  .article-body h2 { margin-top: 46px; font-size: 27px; }
  .article-cta { align-items: stretch; flex-direction: column; }
  .content-grid { grid-template-columns: 1fr; }
  .content-grid article { min-height: 240px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}