:root {
  --accent: #eb5b24;
  --accent-focus: #b63d11;
  --accent-on-dark: #ff7947;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --white: #ffffff;
  --parchment: #f5f5f7;
  --pearl: #fafafc;
  --tile: #272729;
  --tile-2: #2a2a2c;
  --black: #000000;
  --hairline: #e0e0e0;
  --section: 72px;
  --content: 1180px;
  --product-shadow: 3px 5px 30px rgba(0, 0, 0, 0.22);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--black); }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "SF Pro Text", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  font-weight: 400;
  line-height: 1.47;
  letter-spacing: -0.374px;
  -webkit-font-smoothing: antialiased;
}
button, input { font: inherit; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
figure { margin: 0; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 1000;
  padding: 10px 16px;
  border-radius: 9999px;
  color: var(--white);
  background: var(--accent);
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.global-nav {
  height: 44px;
  color: var(--white);
  background: var(--black);
  font-size: 12px;
  line-height: 1;
  letter-spacing: -0.12px;
}
.nav-inner,
.sub-nav-inner {
  width: min(calc(100% - 40px), 1024px);
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand-mark { display: inline-flex; align-items: center; gap: 9px; opacity: .9; }
.brand-orb { width: 12px; height: 12px; border: 1px solid #fff; border-radius: 50%; }
.global-links { display: flex; align-items: center; gap: 28px; }
.global-links a { opacity: .72; transition: opacity 180ms ease; }
.global-links a:hover, .global-links a:focus-visible { opacity: 1; }
.nav-toggle { display: none; color: inherit; border: 0; background: transparent; min-width: 44px; min-height: 44px; padding: 12px; }
.nav-toggle span:not(.sr-only) { display: block; width: 18px; height: 1px; margin: 5px auto; background: currentColor; }

.sub-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 52px;
  color: var(--ink);
  background: rgba(245, 245, 247, .82);
  border-bottom: 1px solid rgba(0, 0, 0, .08);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
}
.sub-nav-inner > div { display: flex; align-items: baseline; gap: 10px; }
.sub-nav strong { font-family: "SF Pro Display", system-ui, sans-serif; font-size: 21px; font-weight: 600; line-height: 1.19; }
.sub-nav span { color: var(--muted); font-size: 12px; letter-spacing: -.12px; }
.sub-nav-actions { align-items: center !important; }
.privacy-chip { display: inline-flex; align-items: center; gap: 7px; }
.privacy-chip i { width: 6px; height: 6px; border-radius: 50%; background: #30d158; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 22px;
  border: 1px solid var(--accent);
  border-radius: 9999px;
  color: var(--white);
  background: var(--accent);
  cursor: pointer;
  font-size: 17px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: -.374px;
  transition: filter 160ms ease, transform 100ms ease;
}
.button:hover { filter: brightness(1.08); }
.button:active { transform: scale(.95); }
.button:focus-visible, a:focus-visible, input:focus-visible, .drop-zone:focus-visible {
  outline: 2px solid var(--accent-focus);
  outline-offset: 3px;
}
.button-small { min-height: 30px; padding: 7px 14px; font-size: 12px; }
.button-outline { color: var(--accent); background: transparent; }
.button-secondary-dark { width: 100%; color: var(--accent-on-dark); border-color: var(--accent-on-dark); background: transparent; }
.text-link { color: var(--accent); }

.tile { position: relative; overflow: hidden; padding: var(--section) max(24px, calc((100vw - var(--content)) / 2)); }
.tile-light { background: var(--white); }
.tile-parchment { background: var(--parchment); }
.tile-dark { color: var(--white); background: var(--tile); }
.eyebrow {
  margin: 0 0 20px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.eyebrow-dark { color: var(--accent-on-dark); }
h1, h2, h3 { margin-top: 0; font-family: "SF Pro Display", system-ui, -apple-system, sans-serif; font-weight: 600; }
h1 { margin-bottom: 24px; font-size: clamp(44px, 6.2vw, 76px); line-height: 1.03; letter-spacing: -.04em; }
h2 { margin-bottom: 22px; font-size: clamp(36px, 4.5vw, 56px); line-height: 1.07; letter-spacing: -.035em; }
h3 { margin-bottom: 10px; font-size: 21px; line-height: 1.19; letter-spacing: .231px; }
.section-head { max-width: 760px; margin-bottom: 56px; }
.section-head > p:last-child { max-width: 660px; margin: 0; color: var(--muted); font-size: 21px; line-height: 1.45; }
.tile-dark .section-head > p:last-child { color: #ccc; }
.section-head-centered { margin-left: auto; margin-right: auto; text-align: center; }
.section-head-centered > p:last-child { margin-left: auto; margin-right: auto; }

.hero { min-height: calc(100vh - 52px); display: grid; align-items: center; gap: 46px; padding-top: 64px; padding-bottom: 64px; }
.hero-copy { position: relative; z-index: 2; max-width: 920px; margin: 0 auto; text-align: center; }
.hero-lead { max-width: 720px; margin: 0 auto; color: #424245; font-family: "SF Pro Display", system-ui, sans-serif; font-size: clamp(22px, 2.4vw, 30px); font-weight: 400; line-height: 1.25; letter-spacing: .196px; }
.hero-actions { display: flex; justify-content: center; gap: 14px; margin-top: 30px; }
.quiet-note { margin: 16px 0 0; color: var(--muted); font-size: 12px; }
.hero-facts { margin-top: 24px; display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; }
.hero-facts span { padding: 7px 12px; border-radius: 9999px; color: #515154; background: var(--parchment); font-size: 12px; }
.hero-product { width: min(820px, 82vw); margin: 0 auto; text-align: center; }
.hero-product img { width: 100%; height: auto; filter: drop-shadow(0 18px 32px rgba(0,0,0,.1)); }
.hero-product figcaption { margin-top: 4px; color: var(--muted); font-size: 12px; }

.experience-section { background: var(--tile); }
.compact-head { margin-bottom: 40px; }
.compact-head h2 { margin-bottom: 16px; }
.demo-shell { width: min(1100px, 100%); margin: 0 auto; overflow: hidden; border: 1px solid rgba(255,255,255,.13); border-radius: 18px; background: var(--tile-2); }
.demo-toolbar { height: 44px; padding: 0 18px; display: flex; align-items: center; gap: 7px; background: #1d1d1f; border-bottom: 1px solid rgba(255,255,255,.08); }
.demo-toolbar > span { width: 8px; height: 8px; border-radius: 50%; background: #666; }
.demo-toolbar b { margin-left: 10px; color: #ccc; font-size: 12px; font-weight: 400; letter-spacing: -.12px; }
.demo-toolbar em { margin-left: auto; color: #8e8e93; font-size: 10px; font-style: normal; letter-spacing: .08em; }
.demo-grid { display: grid; grid-template-columns: .82fr 1.18fr; min-height: 500px; }
.compact-demo .demo-grid { min-height: 400px; }
.compact-demo .drop-zone { min-height: 230px; }
.drop-panel { padding: 32px; border-right: 1px solid rgba(255,255,255,.1); }
.drop-zone { min-height: 300px; padding: 28px; display: flex; flex-direction: column; align-items: center; justify-content: center; border: 1px dashed #68686b; border-radius: 18px; text-align: center; cursor: pointer; transition: border-color 160ms ease, background-color 160ms ease; }
.drop-zone:hover, .drop-zone.is-over { border-color: var(--accent-on-dark); background: rgba(235,91,36,.09); }
.upload-symbol { width: 52px; height: 52px; margin-bottom: 18px; display: grid; place-items: center; border-radius: 50%; color: var(--ink); background: rgba(210,210,215,.9); font-size: 28px; }
.drop-zone strong { font-size: 21px; font-weight: 600; }
.drop-zone > span:not(.upload-symbol) { margin-top: 6px; color: #ccc; font-size: 14px; }
.drop-zone small { margin-top: 24px; color: #8e8e93; font-size: 12px; }
.drop-panel .button { margin-top: 16px; }
.file-meta { margin: 14px 0 0; min-height: 21px; color: #a1a1a6; font-size: 12px; text-align: center; }
.run-panel { padding: 32px; }
.run-header { padding-bottom: 24px; display: flex; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.1); }
.run-header div { display: flex; flex-direction: column; }
.run-header span { color: #8e8e93; font-size: 12px; }
.run-header strong { margin-top: 2px; font-size: 21px; font-weight: 600; }
.run-steps { margin: 0; padding: 10px 0; list-style: none; }
.run-steps li { min-height: 58px; display: grid; grid-template-columns: 42px 1fr auto; align-items: center; gap: 12px; color: #8e8e93; border-bottom: 1px solid rgba(255,255,255,.07); transition: color 180ms ease; }
.run-steps i { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: rgba(255,255,255,.07); font-size: 10px; font-style: normal; }
.run-steps span { font-size: 14px; }
.run-steps b { font-size: 12px; font-weight: 400; }
.run-steps li.is-active { color: var(--white); }
.run-steps li.is-active i { color: var(--white); background: var(--accent); }
.run-steps li.is-done { color: #d1d1d6; }
.run-steps li.is-done i { color: var(--white); background: #30a46c; }
.run-result { margin-top: 18px; padding: 18px; border-radius: 11px; background: rgba(255,255,255,.07); }
.run-result span { display: block; color: #32d74b; font-size: 14px; font-weight: 600; }
.run-result strong { display: block; margin-top: 4px; font-size: 17px; }
.run-result small { display: block; margin-top: 8px; color: #a1a1a6; line-height: 1.4; }
.demo-disclosure { max-width: 850px; margin: 24px auto 0; color: #a1a1a6; font-size: 12px; text-align: center; }

.result-section { padding-bottom: 88px; }
.result-card-flow { width: min(1040px, 100%); margin: 0 auto; display: grid; grid-template-columns: 1fr 44px 1fr 44px 1fr; align-items: center; }
.result-card { min-height: 286px; padding: 28px; border: 1px solid var(--hairline); border-radius: 18px; background: rgba(255,255,255,.78); text-align: center; }
.result-card > span { display: block; margin-top: 24px; color: var(--accent); font-size: 12px; font-weight: 600; }
.result-card h3 { margin: 6px 0 8px; }
.result-card p { margin: 0; color: var(--muted); font-size: 14px; }
.result-arrow { color: #a1a1a6; font-size: 26px; font-style: normal; text-align: center; }
.result-card-visual { position: relative; width: 112px; height: 92px; margin: 0 auto; border-radius: 18px; background: var(--white); border: 1px solid #d2d2d7; }
.icon-original::before { content: ""; position: absolute; top: 18px; right: 20px; width: 14px; height: 14px; border-radius: 50%; background: var(--accent); }
.icon-original i { position: absolute; left: 18px; right: 18px; bottom: 18px; height: 42px; background: #d2d2d7; clip-path: polygon(0 100%, 0 70%, 32% 35%, 53% 62%, 74% 26%, 100% 72%, 100% 100%); }
.icon-finish { border-radius: 24px; box-shadow: 0 15px 26px rgba(0,0,0,.16); }
.icon-finish::before { content: ""; position: absolute; inset: 15px; border: 1px solid #d2d2d7; border-radius: 13px; }
.icon-finish::after { content: ""; position: absolute; right: 14px; bottom: 14px; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); }
.icon-finish i { position: absolute; top: 42px; left: 28px; width: 42px; height: 1px; background: #8e8e93; box-shadow: 0 10px 0 #8e8e93; }
.icon-package::before { content: ""; position: absolute; inset: 18px 24px; border: 2px solid #515154; border-radius: 8px; }
.icon-package::after { content: ""; position: absolute; top: 18px; left: 55px; width: 2px; height: 56px; background: #515154; }
.icon-package i { position: absolute; z-index: 1; right: 15px; bottom: 13px; width: 28px; height: 28px; border-radius: 50%; background: var(--accent); }
.icon-package i::after { content: ""; position: absolute; left: 8px; top: 7px; width: 10px; height: 6px; border-left: 2px solid var(--white); border-bottom: 2px solid var(--white); transform: rotate(-45deg); }
.proof-strip { width: min(720px, 100%); margin: 32px auto 0; display: grid; grid-template-columns: repeat(3, 1fr); }
.proof-strip div { padding: 8px 24px; text-align: center; border-right: 1px solid var(--hairline); }
.proof-strip div:last-child { border: 0; }
.proof-strip strong, .proof-strip span { display: block; }
.proof-strip strong { font-family: "SF Pro Display", system-ui, sans-serif; font-size: 28px; font-weight: 600; }
.proof-strip span { color: var(--muted); font-size: 12px; }

.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.capability-grid article { min-height: 210px; padding: 28px; border: 1px solid var(--hairline); border-radius: 18px; background: var(--white); }
.capability-grid article > span { color: var(--accent); font-size: 12px; font-weight: 600; }
.capability-grid h3 { margin-top: 42px; }
.capability-grid p { margin: 0; color: var(--muted); }

.workflow-section { background: var(--tile-2); }
.workflow-rail { width: min(980px, 100%); margin-left: auto; }
.workflow-rail article { position: relative; min-height: 164px; padding: 0 0 44px 86px; display: grid; grid-template-columns: 1fr; }
.workflow-rail article:not(:last-child)::before { content: ""; position: absolute; left: 26px; top: 55px; bottom: 0; width: 1px; background: rgba(255,255,255,.16); }
.workflow-rail i { position: absolute; top: 0; left: 0; width: 52px; height: 52px; display: grid; place-items: center; border-radius: 50%; color: var(--white); background: var(--accent); font-family: "SF Pro Display", system-ui, sans-serif; font-size: 17px; font-style: normal; }
.workflow-rail span { color: var(--accent-on-dark); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.workflow-rail h3 { margin: 6px 0 8px; font-size: 28px; }
.workflow-rail p { max-width: 680px; margin: 0; color: #ccc; }
.compact-workflow article { min-height: 144px; }

.boundary-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.boundary-grid article { padding: 28px; border: 1px solid var(--hairline); border-radius: 18px; background: var(--white); }
.boundary-grid header { display: flex; align-items: center; gap: 12px; }
.boundary-grid header span { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; color: var(--white); background: var(--ink); font-size: 17px; }
.boundary-grid h3 { margin: 0; }
.boundary-grid ul { margin: 28px 0 0; padding: 0; list-style: none; }
.boundary-grid li { padding: 12px 0; border-top: 1px solid #eee; color: #424245; }
.boundary-can header span { background: #248a3d; }
.boundary-wont header span { background: #d70015; }
.boundary-human header span { background: var(--accent); }
.privacy-note { width: min(760px, 100%); margin: 32px auto 0; padding: 20px 24px; display: flex; justify-content: space-between; gap: 20px; border: 1px solid var(--hairline); border-radius: 18px; background: rgba(255,255,255,.72); }
.privacy-note strong { font-size: 14px; }
.privacy-note span { color: var(--muted); font-size: 12px; text-align: right; }

.evidence-section { display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: 64px; }
.evidence-copy > p:not(.eyebrow) { color: var(--muted); font-size: 21px; }
.evidence-stats { margin: 36px 0; display: grid; grid-template-columns: repeat(3, 1fr); }
.evidence-stats div { padding-right: 22px; border-right: 1px solid var(--hairline); }
.evidence-stats div:last-child { padding-left: 22px; border: 0; }
.evidence-stats div:nth-child(2) { padding-left: 22px; }
.evidence-stats strong, .evidence-stats span { display: block; }
.evidence-stats strong { font-family: "SF Pro Display", system-ui, sans-serif; font-size: 34px; font-weight: 600; }
.evidence-stats span { color: var(--muted); font-size: 12px; }
.evidence-checks { margin: 0; padding: 0; list-style: none; }
.evidence-checks li { position: relative; padding: 8px 0 8px 26px; }
.evidence-checks li::before { content: "✓"; position: absolute; left: 0; color: #248a3d; font-weight: 600; }
.evidence-product img { filter: drop-shadow(var(--product-shadow)); }
.evidence-product figcaption { width: 86%; margin: -18px auto 0; padding: 16px 20px; display: flex; justify-content: space-between; border-radius: 11px; color: var(--white); background: rgba(29,29,31,.9); }
.evidence-product figcaption span { color: #32d74b; font-weight: 600; }
.evidence-product figcaption strong { font-size: 14px; }

.privacy-section { background: var(--tile); }
.privacy-flow { width: min(1000px, 100%); margin: 0 auto; display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 18px; }
.privacy-flow div { min-height: 176px; padding: 28px; display: flex; flex-direction: column; justify-content: center; border: 1px solid rgba(255,255,255,.13); border-radius: 18px; background: var(--tile-2); }
.privacy-flow > i { color: #8e8e93; font-size: 24px; font-style: normal; }
.privacy-flow span, .privacy-flow small { color: #a1a1a6; font-size: 12px; }
.privacy-flow strong { margin: 8px 0; font-size: 21px; }
.privacy-flow .private-system { border-color: rgba(235,91,36,.58); }
.security-list { margin-top: 36px; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.security-list span { padding: 8px 14px; border: 1px solid rgba(255,255,255,.13); border-radius: 9999px; color: #d1d1d6; font-size: 12px; }

.stack-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stack-grid div { padding: 28px; border: 1px solid var(--hairline); border-radius: 18px; background: var(--white); }
.stack-grid span { color: var(--accent); font-size: 12px; }
.stack-grid strong { display: block; margin: 48px 0 8px; font-family: "SF Pro Display", system-ui, sans-serif; font-size: 21px; }
.stack-grid p { margin: 0; color: var(--muted); font-size: 14px; }

footer { padding: 64px max(24px, calc((100vw - var(--content)) / 2)); color: #333; background: var(--parchment); }
.footer-main { padding-bottom: 32px; display: flex; align-items: flex-start; justify-content: space-between; border-bottom: 1px solid #d2d2d7; }
.footer-main strong { font-family: "SF Pro Display", system-ui, sans-serif; font-size: 21px; }
.footer-main p { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.footer-legal { padding-top: 18px; display: flex; justify-content: space-between; color: #7a7a7a; font-size: 12px; line-height: 1.4; }

@media (max-width: 1023px) {
  :root { --section: 72px; }
  .hero { min-height: auto; }
  .capability-grid, .boundary-grid { grid-template-columns: repeat(2, 1fr); }
  .stack-grid { grid-template-columns: repeat(2, 1fr); }
  .evidence-section { grid-template-columns: 1fr; }
  .evidence-product { width: min(820px, 100%); margin: 0 auto; }
}

@media (max-width: 833px) {
  .nav-toggle { display: block; }
  .global-links { position: absolute; top: 44px; left: 0; right: 0; z-index: 80; padding: 22px 24px; display: none; flex-direction: column; align-items: stretch; gap: 0; color: var(--white); background: var(--black); }
  .global-links.is-open { display: flex; }
  .global-links a { min-height: 44px; display: flex; align-items: center; border-top: 1px solid rgba(255,255,255,.13); font-size: 17px; }
  .sub-nav-inner > div > span:not(.privacy-chip) { display: none; }
  .privacy-chip { display: none !important; }
  .demo-grid { grid-template-columns: 1fr; }
  .drop-panel { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .result-card-flow { grid-template-columns: 1fr; gap: 14px; }
  .result-arrow { transform: rotate(90deg); }
  .privacy-flow { grid-template-columns: 1fr; }
  .privacy-flow > i { transform: rotate(90deg); text-align: center; }
}

@media (max-width: 640px) {
  :root { --section: 56px; }
  body { font-size: 17px; }
  .tile { padding-left: 20px; padding-right: 20px; }
  .nav-inner, .sub-nav-inner { width: calc(100% - 32px); }
  .sub-nav-actions .button { min-height: 30px; }
  h1 { font-size: 44px; }
  h2 { font-size: 36px; }
  .hero { padding-top: 56px; gap: 36px; }
  .hero-lead { font-size: 22px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-product { width: 100%; margin-left: 0; }
  .section-head { margin-bottom: 40px; }
  .section-head > p:last-child { font-size: 17px; }
  .demo-shell { border-radius: 11px; }
  .demo-grid { min-height: 0; }
  .drop-panel, .run-panel { padding: 20px; }
  .drop-zone { min-height: 230px; }
  .run-steps li { grid-template-columns: 36px 1fr auto; gap: 8px; }
  .result-card { min-height: 240px; }
  .capability-grid, .boundary-grid, .stack-grid { grid-template-columns: 1fr; }
  .proof-strip div { padding-left: 10px; padding-right: 10px; }
  .privacy-note { flex-direction: column; gap: 6px; }
  .privacy-note span { text-align: left; }
  .capability-grid article { min-height: 210px; }
  .workflow-rail article { padding-left: 68px; }
  .evidence-stats strong { font-size: 28px; }
  .evidence-stats div, .evidence-stats div:nth-child(2), .evidence-stats div:last-child { padding-left: 12px; padding-right: 12px; }
  .evidence-product { width: 112%; margin-left: -6%; }
  .evidence-product figcaption { width: 92%; flex-direction: column; gap: 2px; }
  .footer-main, .footer-legal { flex-direction: column; gap: 18px; }
}

@media (max-width: 419px) {
  h1 { font-size: 36px; }
  h2 { font-size: 30px; }
  .sub-nav strong { font-size: 17px; }
  .hero { padding-top: 48px; }
  .run-steps span { font-size: 12px; }
  .evidence-stats { grid-template-columns: 1fr; gap: 18px; }
  .evidence-stats div, .evidence-stats div:nth-child(2), .evidence-stats div:last-child { padding: 0 0 16px; border-right: 0; border-bottom: 1px solid var(--hairline); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
