:root {
  color-scheme: light;
  --promo-ink: #1d1d1f;
  --promo-muted: #6e6e73;
  --promo-paper: #f5f5f7;
  --promo-white: #fff;
  --promo-line: #d2d2d7;
  --promo-blue: #0071e3;
  --promo-blue-hover: #0077ed;
  --promo-radius: 8px;
  font-family: "SF Pro Display", "SF Pro Text", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { min-width: 320px; scroll-behavior: smooth; }
body { margin: 0; color: var(--promo-ink); background: var(--promo-white); }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.promo-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 56px;
  border-bottom: 1px solid rgba(210, 210, 215, .72);
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(20px);
}
.promo-nav-inner { display: flex; align-items: center; justify-content: space-between; width: min(1240px, calc(100% - 48px)); height: 100%; margin: 0 auto; }
.promo-brand { display: inline-flex; align-items: center; gap: 9px; flex: 0 0 auto; }
.promo-mark { display: block; width: 25px; height: 25px; border-radius: 7px; background: #fff; object-fit: contain; }
.promo-brand-copy { display: grid; gap: 1px; }
.promo-brand-copy strong { font-size: 14px; line-height: 1; letter-spacing: .01em; }
.promo-brand-copy small { color: var(--promo-muted); font-size: 7px; letter-spacing: .12em; line-height: 1; }
.promo-links { display: flex; align-items: center; gap: 34px; margin-inline: auto; color: var(--promo-muted); font-size: 12px; }
.promo-links a, .promo-text-link { transition: color 160ms ease; }
.promo-links a:hover, .promo-text-link:hover { color: var(--promo-ink); }
.promo-actions { display: flex; align-items: center; gap: 20px; font-size: 12px; }
.promo-text-link { color: var(--promo-muted); }
.promo-button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 34px; padding: 0 14px; border-radius: 999px; color: #fff; background: var(--promo-blue); font-size: 12px; font-weight: 600; transition: background 160ms ease, transform 160ms ease; }
.promo-button:hover { background: var(--promo-blue-hover); }
.promo-button:active { transform: translateY(1px); }
.promo-button span { font-size: 14px; line-height: 1; }
.promo-menu { display: none; width: 34px; height: 34px; padding: 8px; border: 0; background: transparent; }
.promo-menu span { display: block; width: 17px; height: 1px; margin: 5px auto; background: var(--promo-ink); }

.section-inner { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.promo-hero { position: relative; overflow: hidden; background: var(--promo-white); }
.promo-hero-inner { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr); align-items: center; gap: clamp(36px, 7vw, 88px); width: min(1240px, calc(100% - 48px)); margin: 0 auto; padding: 52px 0 60px; }
.hero-copy { position: relative; z-index: 1; max-width: 700px; }
.promo-kicker, .promo-index { margin: 0 0 17px; color: var(--promo-blue); font-size: 11px; font-weight: 700; letter-spacing: .06em; }
.hero-copy h1 { margin: 0; font-size: clamp(48px, 5.6vw, 78px); font-weight: 650; letter-spacing: -.05em; line-height: 1.02; }
.hero-copy h1 em { color: var(--promo-blue); font-style: normal; }
.hero-lede { max-width: 470px; margin: 28px 0 0; color: var(--promo-muted); font-size: 18px; line-height: 1.65; }
.hero-actions { display: flex; align-items: center; gap: 22px; margin-top: 36px; }
.promo-button-large { min-height: 46px; padding-inline: 20px; font-size: 14px; }
.promo-quiet-link, .inline-arrow { color: var(--promo-blue); font-size: 14px; font-weight: 600; }
.promo-quiet-link span, .inline-arrow span { display: inline-block; margin-left: 6px; transition: transform 160ms ease; }
.promo-quiet-link:hover span, .inline-arrow:hover span { transform: translateY(2px); }
.hero-proof { display: flex; align-items: center; gap: 8px; margin-top: 28px; color: var(--promo-muted); font-size: 11px; }
.proof-dot { width: 7px; height: 7px; border-radius: 50%; background: #34c759; }
.hero-visual { position: relative; min-height: 520px; }
.hero-visual-meta { display: flex; align-items: center; justify-content: space-between; margin: 0 0 12px 20px; color: var(--promo-muted); font-size: 10px; letter-spacing: .04em; }
.hero-product-frame { position: relative; z-index: 1; overflow: hidden; width: min(380px, 100%); margin: 0 auto; border: 1px solid var(--promo-line); border-radius: var(--promo-radius); background: var(--promo-paper); box-shadow: 0 28px 80px rgba(29, 29, 31, .16); }
.hero-product-frame img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 58%; }
.hero-product-frame figcaption { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 44px; padding: 0 15px; color: var(--promo-muted); background: var(--promo-white); font-size: 10px; }
.hero-product-frame figcaption span:only-child { margin-left: auto; }
.hero-product-frame figcaption span:last-child { color: var(--promo-blue); }
.scroll-cue { position: absolute; bottom: 26px; left: 50%; display: grid; justify-items: center; gap: 7px; color: var(--promo-muted); font-size: 10px; transform: translateX(-50%); }
.scroll-cue span { display: block; width: 1px; height: 35px; background: var(--promo-ink); opacity: .45; }

.promo-statement { padding: 150px 0 160px; background: var(--promo-paper); }
.statement-inner { max-width: 1050px; text-align: center; }
.statement-inner h2, .workflow-heading h2, .results-heading h2, .closing-inner h2 { margin: 0; font-size: clamp(36px, 4.35vw, 62px); font-weight: 650; letter-spacing: -.045em; line-height: 1.08; text-wrap: balance; word-break: keep-all; }
.statement-inner h2 .accent-line { color: var(--promo-blue); }
.section-lede { max-width: 640px; margin: 28px auto 0; color: var(--promo-muted); font-size: 17px; line-height: 1.7; }

.promo-capability-band { padding: 140px 0; background: var(--promo-ink); }
.promo-capability-band.band-light { background: var(--promo-white); }
.capability-layout { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); align-items: center; gap: clamp(40px, 6vw, 80px); }
.capability-layout-reverse { grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); }
.promo-capability-band:not(.band-light) .capability-copy { color: #fff; }
.capability-copy h2 { margin: 0; font-size: clamp(37px, 4vw, 56px); font-weight: 650; letter-spacing: -.045em; line-height: 1.08; text-wrap: balance; word-break: keep-all; }
.capability-copy > p:not(.promo-index) { max-width: 480px; margin: 26px 0 0; color: #a1a1a6; font-size: 17px; line-height: 1.7; }
.band-light .capability-copy > p:not(.promo-index) { color: var(--promo-muted); }
.promo-index { color: #7fc2ff; }
.band-light .promo-index { color: var(--promo-blue); }
.promo-index span { color: inherit; opacity: .45; }
.feature-list { display: grid; gap: 13px; margin: 34px 0 0; padding: 0; list-style: none; color: #d2d2d7; font-size: 14px; }
.feature-list li { display: flex; align-items: center; gap: 10px; }
.feature-check { display: grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; color: #0b0b0d; background: #7fc2ff; font-size: 11px; font-weight: 700; }
.app-window { overflow: hidden; border: 1px solid #3d3d42; border-radius: var(--promo-radius); background: #242426; box-shadow: 0 35px 90px rgba(0, 0, 0, .3); }
.window-bar { display: flex; align-items: center; gap: 6px; min-height: 35px; padding: 0 13px; color: #a1a1a6; font-size: 9px; }
.window-bar > span { width: 7px; height: 7px; border-radius: 50%; background: #6e6e73; }
.window-bar > span:first-child { background: #ff5f57; }
.window-bar > span:nth-child(2) { background: #febc2e; }
.window-bar > span:nth-child(3) { background: #28c840; }
.app-window img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: 51% 14%; }
.result-poster { position: relative; max-width: 430px; justify-self: center; overflow: hidden; border: 1px solid var(--promo-line); border-radius: var(--promo-radius); background: var(--promo-paper); box-shadow: 0 24px 70px rgba(29, 29, 31, .12); }
.result-poster img { width: 100%; aspect-ratio: 2 / 3; object-fit: cover; object-position: 50% 58%; }
.poster-label { position: absolute; right: 14px; bottom: 14px; left: 14px; display: flex; align-items: center; justify-content: space-between; padding: 10px 12px; color: var(--promo-ink); background: rgba(255, 255, 255, .9); font-size: 10px; }
.poster-label span:first-child { color: var(--promo-blue); font-weight: 700; }
.inline-arrow { display: inline-flex; margin-top: 31px; }

.promo-workflow { padding: 140px 0; background: var(--promo-paper); }
.workflow-heading { max-width: 680px; margin-bottom: 60px; }
.workflow-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--promo-line); }
.workflow-step { min-height: 240px; padding: 24px 28px 0 0; border-right: 1px solid var(--promo-line); }
.workflow-step + .workflow-step { padding-left: 28px; }
.workflow-step:last-child { border-right: 0; }
.step-number { display: block; margin-bottom: 44px; color: var(--promo-blue); font-size: 12px; font-variant-numeric: tabular-nums; }
.workflow-step h3 { margin: 0; font-size: 24px; font-weight: 600; letter-spacing: -.025em; text-wrap: balance; word-break: keep-all; }
.workflow-step p { max-width: 280px; margin: 13px 0 0; color: var(--promo-muted); font-size: 14px; line-height: 1.65; }

.promo-results { padding: 140px 0 160px; background: var(--promo-white); }
.results-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 58px; }
.results-heading h2 { max-width: 760px; }
.result-gallery { display: grid; grid-template-columns: 1.02fr 1.48fr 1fr; align-items: start; gap: 16px; }
.result-tile { overflow: hidden; margin: 0; border: 1px solid var(--promo-line); border-radius: var(--promo-radius); background: var(--promo-paper); }
.result-tile img { width: 100%; height: 480px; object-fit: cover; }
.result-tile-tall img { object-position: 50% 55%; }
.result-tile-wide img { height: 355px; object-position: 50% 62%; }
.result-tile-square img { height: 355px; object-position: 50% 50%; }
.result-tile figcaption { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 52px; padding: 0 14px; font-size: 11px; }
.result-tile figcaption span { color: var(--promo-muted); }

.promo-closing { padding: 160px 0; color: #fff; background: var(--promo-ink); }
.closing-inner { text-align: center; }
.closing-inner .promo-kicker { color: #7fc2ff; }
.closing-inner h2 { margin-bottom: 38px; }
.promo-footer { color: var(--promo-muted); background: var(--promo-paper); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; min-height: 72px; font-size: 11px; }
.footer-inner a { color: var(--promo-blue); }

.headline-line { display: inline-block; }

@media (min-width: 601px) {
  .headline-line { white-space: nowrap; }
}

.reveal { opacity: 0; transform: translateY(16px); transition: opacity 700ms ease, transform 700ms ease; }
.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 180ms; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
  .promo-links, .promo-text-link { display: none; }
  .promo-menu { display: block; }
  .promo-actions { margin-left: auto; margin-right: 10px; }
  .promo-nav.menu-open { height: auto; }
  .promo-nav.menu-open .promo-nav-inner { flex-wrap: wrap; height: auto; padding-block: 11px; }
  .promo-nav.menu-open .promo-links { display: grid; grid-template-columns: repeat(3, 1fr); order: 3; width: 100%; gap: 0; padding-top: 12px; border-top: 1px solid var(--promo-line); text-align: center; }
  .promo-hero-inner { grid-template-columns: 1fr; min-height: auto; padding-top: 90px; }
  .hero-copy { max-width: 650px; }
  .hero-visual { min-height: 540px; }
  .capability-layout, .capability-layout-reverse { grid-template-columns: 1fr; gap: 54px; }
  .capability-layout-reverse .capability-copy { order: -1; }
  .workflow-steps { grid-template-columns: 1fr; }
  .workflow-step, .workflow-step + .workflow-step { min-height: 0; padding: 24px 0; border-right: 0; border-bottom: 1px solid var(--promo-line); }
  .workflow-step:last-child { border-bottom: 0; }
  .step-number { margin-bottom: 20px; }
  .results-heading { display: block; }
  .result-gallery { grid-template-columns: 1fr 1fr; }
  .result-tile-tall { grid-row: span 2; }
}

@media (max-width: 600px) {
  .promo-nav-inner, .section-inner, .promo-hero-inner { width: min(100% - 32px, 520px); }
  .promo-actions .promo-button { min-height: 32px; padding-inline: 12px; font-size: 11px; }
  .hero-copy h1 { font-size: clamp(44px, 13vw, 62px); }
  .headline-line { display: inline; white-space: normal; }
  .hero-lede { font-size: 16px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 18px; }
  .hero-visual { min-height: 460px; }
  .hero-visual-meta { margin-left: 0; }
  .hero-product-frame { width: min(100%, 360px); }
  .orbit-one { width: 430px; height: 430px; top: 20px; right: -100px; }
  .orbit-two { width: 520px; height: 520px; top: -25px; right: -150px; }
  .promo-statement, .promo-capability-band, .promo-workflow, .promo-results, .promo-closing { padding: 92px 0; }
  .statement-inner h2, .workflow-heading h2, .results-heading h2, .closing-inner h2 { font-size: 40px; }
  .capability-copy h2 { font-size: 42px; }
  .result-gallery { grid-template-columns: 1fr; }
  .result-tile-tall { grid-row: auto; }
  .result-tile img, .result-tile-wide img, .result-tile-square img { height: 430px; }
  .footer-inner { align-items: flex-start; flex-direction: column; justify-content: center; gap: 7px; padding: 18px 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .promo-button, .promo-quiet-link span, .inline-arrow span { transition: none; }
}