:root {
  --ink: #071b43;
  --ink-soft: #42536f;
  --muted: #6f7f98;
  --line: #dce8f6;
  --line-strong: #c7d9ee;
  --blue: #0877f9;
  --blue-dark: #075dcc;
  --blue-soft: #eaf4ff;
  --cyan-soft: #edfaff;
  --surface: #ffffff;
  --surface-soft: #f7fbff;
  --shadow: 0 28px 90px rgba(44, 94, 156, 0.16);
  --shadow-soft: 0 14px 38px rgba(44, 94, 156, 0.1);
  --radius-lg: 28px;
  --radius-md: 20px;
  --container: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button { color: inherit; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.section { padding: 112px 0; scroll-margin-top: 80px; }
.sr-only { position: absolute !important; 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; left: 16px; top: -80px; z-index: 999; padding: 10px 16px; background: var(--ink); color: white; border-radius: 10px; transition: top .2s ease; }
.skip-link:focus { top: 16px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: 76px;
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled { background: rgba(255,255,255,.94); border-color: var(--line); box-shadow: 0 8px 28px rgba(44,94,156,.08); backdrop-filter: blur(18px); }
.nav-shell { height: 100%; display: flex; align-items: center; gap: 34px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; }
.brand img { width: 44px; height: 44px; border-radius: 12px; box-shadow: 0 8px 22px rgba(8,119,249,.2); }
.brand-copy { display: grid; line-height: 1.05; gap: 4px; }
.brand-copy strong { font-size: 19px; letter-spacing: -.02em; }
.brand-copy small { color: var(--muted); font-size: 11px; letter-spacing: .07em; }
.main-nav { display: flex; align-items: center; justify-content: center; gap: 30px; margin-left: auto; }
.main-nav a { position: relative; color: #53627a; font-size: 14px; font-weight: 600; padding: 10px 0; transition: color .2s ease; }
.main-nav a:hover, .main-nav a.is-active { color: var(--blue); }
.main-nav a::after { content: ""; position: absolute; left: 50%; right: 50%; bottom: 3px; height: 2px; background: var(--blue); border-radius: 2px; transition: left .2s ease, right .2s ease; }
.main-nav a.is-active::after { left: 0; right: 0; }
.nav-actions { display: flex; align-items: center; gap: 18px; }
.language-switcher { display: flex; align-items: center; gap: 4px; color: #96a1b3; }
.language-switcher button { border: 0; padding: 3px; background: none; color: #8996a9; cursor: pointer; font-size: 13px; }
.language-switcher button[aria-pressed="true"] { color: var(--ink); font-weight: 700; }
.mobile-nav-toggle { display: none; border: 0; background: none; width: 42px; height: 42px; padding: 10px; cursor: pointer; }
.mobile-nav-toggle > span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; background: var(--ink); border-radius: 4px; }

.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 0 24px; border: 1px solid transparent; border-radius: 12px; font-weight: 700; font-size: 15px; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; white-space: nowrap; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, button:focus-visible, a:focus-visible { outline: 3px solid rgba(8,119,249,.25); outline-offset: 3px; }
.button-primary { color: white; background: var(--blue); box-shadow: 0 12px 26px rgba(8,119,249,.24); }
.button-primary:hover { background: var(--blue-dark); box-shadow: 0 16px 32px rgba(8,119,249,.3); }
.button-secondary { background: rgba(255,255,255,.82); color: var(--ink); border-color: var(--line-strong); box-shadow: 0 8px 20px rgba(44,94,156,.08); }
.button-small { min-height: 42px; padding: 0 18px; border-radius: 10px; font-size: 13px; }

.hero { position: relative; overflow: hidden; padding: 120px 0 96px; min-height: 100vh; }
.hero-backdrop { position: absolute; inset: 0; background: #f8fcff url("../images/hero-atmosphere.png") center top / cover no-repeat; }
.hero-backdrop::after { content: ""; position: absolute; inset: 0; background: rgba(255,255,255,.08); }
.hero-inner { position: relative; display: flex; flex-direction: column; align-items: center; }
.hero-copy { width: min(820px, 100%); text-align: center; }
.eyebrow { width: max-content; margin: 0 auto 16px; display: flex; align-items: center; gap: 9px; padding: 7px 14px; background: rgba(255,255,255,.72); color: var(--blue); border: 1px solid rgba(8,119,249,.15); border-radius: 999px; font-size: 13px; font-weight: 700; box-shadow: 0 8px 24px rgba(44,94,156,.08); }
.hero h1 { margin: 0; font-size: clamp(44px, 5.7vw, 72px); line-height: 1.08; letter-spacing: -.055em; font-weight: 800; color: #061636; }
.hero h1 span { color: var(--blue); }
.hero-lead { margin: 20px 0 6px; color: #173565; font-size: clamp(17px, 2vw, 21px); font-weight: 650; letter-spacing: .045em; }
.hero-description { width: min(780px, 100%); margin: 0 auto; color: var(--ink-soft); font-size: 16px; }
.hero-actions { margin-top: 24px; display: flex; justify-content: center; gap: 13px; }
.system-note { margin: 14px 0 0; color: var(--muted); font-size: 13px; }
.system-note i { margin-right: 7px; color: #14a57b; }

.download-menu { position: relative; display: flex; }
.download-menu .download-menu-main { border-radius: 12px 0 0 12px; padding-right: 17px; }
.download-menu-arrow { width: 42px; border: 1px solid var(--line-strong); border-left: 0; border-radius: 0 12px 12px 0; background: rgba(255,255,255,.82); cursor: pointer; }
.download-menu-list { position: absolute; top: calc(100% + 10px); right: 0; z-index: 20; min-width: 244px; padding: 8px; background: white; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow-soft); opacity: 0; visibility: hidden; transform: translateY(-6px); transition: opacity .18s ease, transform .18s ease, visibility .18s ease; }
.download-menu.is-open .download-menu-list { opacity: 1; visibility: visible; transform: translateY(0); }
.download-menu-item { display: grid; padding: 11px 12px; border-radius: 9px; text-align: left; }
.download-menu-item:hover { background: var(--blue-soft); }
.download-menu-item strong { font-size: 14px; }
.download-menu-item small { color: var(--muted); font-size: 12px; }

.hero-workflow { width: min(980px, 100%); margin: 32px auto 28px; padding: 0; display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: center; gap: 15px; list-style: none; }
.hero-workflow > li:not(.flow-arrow) { min-height: 82px; display: flex; align-items: center; gap: 13px; padding: 14px 16px; background: rgba(255,255,255,.7); border: 1px solid rgba(173,207,237,.72); border-radius: 16px; box-shadow: 0 10px 28px rgba(44,94,156,.08); backdrop-filter: blur(12px); }
.step-icon { width: 42px; height: 42px; display: grid; place-items: center; flex: 0 0 auto; color: var(--blue); background: var(--blue-soft); border-radius: 12px; font-size: 18px; }
.hero-workflow strong, .hero-workflow small { display: block; text-align: left; }
.hero-workflow strong { font-size: 15px; }
.hero-workflow small { color: var(--muted); font-size: 11px; line-height: 1.4; margin-top: 3px; }
.flow-arrow { color: #82a8cf; font-size: 18px; }

.product-carousel { width: min(1100px, 100%); position: relative; }
.carousel-frame { position: relative; overflow: hidden; padding: 14px; background: rgba(255,255,255,.9); border: 1px solid rgba(178,207,236,.85); border-radius: 25px; box-shadow: var(--shadow); }
.carousel-track { position: relative; aspect-ratio: 16 / 9; overflow: hidden; border-radius: 16px; background: #edf5fd; }
.carousel-slide { position: absolute; inset: 0; margin: 0; opacity: 0; visibility: hidden; transform: translateX(2.2%); transition: opacity .5s ease, transform .6s ease, visibility .5s ease; }
.carousel-slide.is-active { opacity: 1; visibility: visible; transform: translateX(0); }
.carousel-slide img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.carousel-slide figcaption { position: absolute; left: 22px; top: 22px; display: grid; padding: 9px 13px; background: rgba(4,20,49,.84); color: white; border-radius: 11px; box-shadow: 0 8px 25px rgba(0,0,0,.18); backdrop-filter: blur(8px); }
.carousel-slide figcaption span { color: #acd7ff; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.carousel-slide figcaption strong { font-size: 14px; }
.carousel-arrow { position: absolute; top: 50%; z-index: 5; width: 46px; height: 46px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.7); border-radius: 50%; background: rgba(5,27,62,.72); color: white; box-shadow: 0 8px 24px rgba(5,27,62,.2); cursor: pointer; transform: translateY(-50%); transition: background .2s ease, transform .2s ease; }
.carousel-arrow:hover { background: var(--blue); transform: translateY(-50%) scale(1.05); }
.carousel-prev { left: 28px; }
.carousel-next { right: 28px; }
.carousel-tabs { width: min(650px, 92%); margin: 22px auto 0; display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--line); }
.carousel-tabs button { display: flex; align-items: center; justify-content: center; gap: 8px; position: relative; padding: 12px 8px 14px; border: 0; background: transparent; color: var(--muted); cursor: pointer; font-size: 13px; }
.carousel-tabs button span:first-child { color: #a7b4c6; font-size: 10px; font-weight: 800; }
.carousel-tabs button::after { content: ""; position: absolute; bottom: -1px; left: 50%; right: 50%; height: 2px; background: var(--blue); transition: left .25s ease, right .25s ease; }
.carousel-tabs button.is-active { color: var(--ink); font-weight: 700; }
.carousel-tabs button.is-active::after { left: 18%; right: 18%; }

.section-heading { width: min(760px, 100%); margin: 0 auto 58px; text-align: center; }
.section-kicker { display: inline-block; margin-bottom: 13px; color: var(--blue); font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.section-heading h2, .faq-intro h2 { margin: 0; font-size: clamp(34px, 4vw, 50px); line-height: 1.2; letter-spacing: -.04em; }
.section-heading p, .faq-intro p { margin: 17px auto 0; color: var(--muted); font-size: 17px; }

.workflow-section { background: var(--surface); }
.workflow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.workflow-card { position: relative; min-height: 260px; padding: 30px 27px; overflow: hidden; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md); box-shadow: var(--shadow-soft); transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.workflow-card:hover { transform: translateY(-7px); border-color: #a8cef4; box-shadow: 0 24px 50px rgba(44,94,156,.14); }
.workflow-card > span { position: absolute; right: 20px; top: 16px; color: #d8e8f8; font-size: 36px; font-weight: 800; letter-spacing: -.06em; }
.workflow-card > i { width: 52px; height: 52px; display: grid; place-items: center; margin-bottom: 30px; color: var(--blue); background: var(--blue-soft); border-radius: 15px; font-size: 21px; }
.workflow-card h3 { margin: 0 0 10px; font-size: 20px; }
.workflow-card p { margin: 0; color: var(--muted); font-size: 14px; }

.feature-section { background: var(--surface-soft); }
.feature-story { display: grid; grid-template-columns: .72fr 1.28fr; gap: 54px; align-items: center; margin-top: 48px; padding: 48px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); }
.feature-story.reverse { grid-template-columns: 1.28fr .72fr; }
.feature-story.reverse .feature-copy { order: 2; }
.feature-copy .number { display: inline-grid; place-items: center; width: 40px; height: 29px; margin-bottom: 20px; color: var(--blue); background: var(--blue-soft); border-radius: 999px; font-size: 12px; font-weight: 800; }
.feature-copy h3 { margin: 0 0 15px; font-size: clamp(27px, 3vw, 38px); line-height: 1.24; letter-spacing: -.035em; }
.feature-copy > p { margin: 0; color: var(--ink-soft); font-size: 15px; }
.feature-copy ul { margin: 23px 0 0; padding: 0; display: grid; gap: 10px; list-style: none; }
.feature-copy li { color: #314865; font-size: 14px; }
.feature-copy li::before { content: "✓"; display: inline-grid; place-items: center; width: 20px; height: 20px; margin-right: 9px; color: var(--blue); background: var(--blue-soft); border-radius: 50%; font-weight: 800; font-size: 11px; }
.feature-media { overflow: hidden; border: 1px solid #cfe0f1; border-radius: 18px; box-shadow: 0 22px 55px rgba(44,94,156,.15); }
.feature-media img { width: 100%; aspect-ratio: 3/2; object-fit: cover; }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 24px; }
.capability-card { padding: 30px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); }
.capability-card > i { color: var(--blue); font-size: 23px; }
.capability-card h3 { margin: 24px 0 8px; font-size: 19px; }
.capability-card p { margin: 0; color: var(--muted); font-size: 14px; }

.scene-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.scene-card { min-height: 280px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius-md); background: white; transition: transform .25s ease, box-shadow .25s ease; }
.scene-card:nth-child(2), .scene-card:nth-child(4) { margin-top: 28px; }
.scene-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-soft); }
.scene-icon { width: 58px; height: 58px; display: grid; place-items: center; margin-bottom: 56px; color: var(--blue); background: var(--cyan-soft); border-radius: 17px; font-size: 21px; }
.scene-card h3 { margin: 0 0 11px; font-size: 20px; }
.scene-card p { margin: 0; color: var(--muted); font-size: 14px; }

.faq-section { background: #061938; color: white; }
.faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 100px; align-items: start; }
.faq-intro { position: sticky; top: 120px; }
.faq-intro .section-kicker { color: #7cc9ff; }
.faq-intro p { color: #9db0ca; }
.faq-list { border-top: 1px solid rgba(255,255,255,.16); }
.faq-item { border-bottom: 1px solid rgba(255,255,255,.16); }
.faq-item button { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 25px 0; border: 0; background: none; color: white; text-align: left; font-weight: 700; cursor: pointer; }
.faq-item button i { color: #7cc9ff; transition: transform .25s ease; }
.faq-item.is-open button i { transform: rotate(45deg); }
.faq-answer { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s ease; }
.faq-answer p { overflow: hidden; margin: 0; color: #a9bbd3; }
.faq-item.is-open .faq-answer { grid-template-rows: 1fr; }
.faq-item.is-open .faq-answer p { padding: 0 36px 25px 0; }

.download-section { padding: 90px 0; background: var(--surface); }
.download-panel { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 26px; padding: 43px 48px; background: #eef8ff url("../images/hero-atmosphere.png") center / cover no-repeat; border: 1px solid #cfe4f8; border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); }
.download-panel > img { width: 76px; height: 76px; border-radius: 20px; box-shadow: 0 12px 28px rgba(8,119,249,.2); }
.download-panel h2 { margin: 0; font-size: clamp(27px, 3vw, 38px); letter-spacing: -.035em; }
.download-panel p { margin: 5px 0 0; color: var(--ink-soft); }
.download-panel-actions { display: flex; gap: 10px; }

.site-footer { padding: 66px 0 28px; background: #f7faff; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.8fr repeat(3, 1fr); gap: 50px; }
.footer-grid > div:not(.footer-brand) { display: flex; flex-direction: column; gap: 10px; font-size: 13px; color: var(--muted); }
.footer-grid > div > strong { margin-bottom: 8px; color: var(--ink); font-size: 14px; }
.footer-grid a:hover { color: var(--blue); }
.footer-brand p { margin: 20px 0 0; color: var(--muted); font-size: 14px; }
.footer-bottom { margin-top: 52px; padding-top: 24px; display: flex; justify-content: space-between; border-top: 1px solid var(--line); color: #8997aa; font-size: 12px; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* Selected design truth: 1536 × 1024, compact hero with a 1004 × 380 stage. */
.hero { padding: 85px 0 0; min-height: 0; height: 852px; }
.hero-backdrop { background-image: url("../images/hero-reference-background-v2.png"); background-size: 1536px 1024px; background-position: center top; }
.hero-backdrop::after { display: none; }
.hero-inner { width: min(calc(100% - 48px), 1330px); }
.hero-copy { width: 100%; }
.eyebrow { height: 35px; padding: 0 24px; margin-bottom: 9px; background: #dfedff; border: 0; box-shadow: none; color: var(--ink); font-size: 15px; }
.eyebrow > i { display: none; }
.hero h1 { font-size: 61px; line-height: 66px; letter-spacing: 0; font-weight: 900; -webkit-text-stroke: 1px currentColor; white-space: nowrap; color: #02040b; }
.hero-lead { margin: 8px 0 0; font-size: 22px; line-height: 32px; font-weight: 500; letter-spacing: .035em; }
.hero-description, .hero-copy .system-note { display: none; }
.hero-actions { margin-top: 20px; gap: 18px; }
.hero-actions .button { height: 60px; border-radius: 999px; font-size: 18px; }
.hero-actions > .button { width: 324px; }
.hero-actions > .button i { font-size: 26px; }
.hero-actions .download-menu { width: 224px; }
.hero-actions .download-menu-main { width: 224px; padding: 0 20px; border-radius: 999px; }
.hero-actions .download-menu-main i { font-size: 28px; }
.hero-actions .download-menu-arrow { position: absolute; right: 5px; top: 7px; height: 46px; width: 28px; background: transparent; border: 0; opacity: 0; }
.hero-actions .download-menu:hover .download-menu-arrow, .hero-actions .download-menu:focus-within .download-menu-arrow { opacity: 1; }
.hero-workflow { width: 900px; grid-template-columns: 200px 18px 188px 18px 180px 18px 200px; margin: 18px auto 12px; gap: 13px; }
.hero-workflow > li:not(.flow-arrow) { height: 64px; min-height: 64px; border: 1px solid rgba(255,255,255,.8); border-radius: 999px; padding: 7px 25px; gap: 19px; background: #e4edff; box-shadow: none; }
.hero-workflow > li:nth-child(3) { background: #e5f5ff; }
.hero-workflow > li:nth-child(5) { background: #e3f9ff; }
.hero-workflow > li:nth-child(7) { background: #e4efff; }
.hero-workflow .step-icon { width: 52px; height: 52px; flex: 0 0 52px; object-fit: contain; background: none; border-radius: 0; }
.hero-workflow > li:not(.flow-arrow) { padding: 5px 0 5px 32px; }
.hero-workflow > li:nth-child(3) { padding-left: 20px; }
.hero-workflow > li:nth-child(5), .hero-workflow > li:nth-child(7) { padding-left: 14px; }
.hero-workflow strong { font-size: 18px; white-space: nowrap; }
.hero-workflow small { font-size: 12px; white-space: nowrap; color: #586c94; }
.flow-arrow { font-size: 20px; color: #006aff; }
.product-carousel { width: 1004px; }
.carousel-frame { padding: 8px; border: 5px solid #bed8ff; border-radius: 19px; background: #9dbde0; overflow: visible; box-shadow: 0 18px 35px rgba(50,125,210,.14); }
.carousel-track { height: 356px; aspect-ratio: auto; border-radius: 9px; }
.carousel-slide figcaption { display: none; }
.carousel-slide img { object-fit: cover; }
.carousel-arrow { width: 48px; height: 48px; background: #f9fdff; color: #07317b; border: 1px solid white; font-size: 30px; box-shadow: 0 6px 15px rgba(39,122,210,.17); }
.carousel-arrow:hover { background: #eaf5ff; }
.carousel-prev { left: -56px; }
.carousel-next { right: -56px; }
.carousel-tabs { width: 348px; margin: 8px auto 0; border: 0; }
.carousel-tabs button { flex-direction: column; gap: 7px; padding: 0 5px; color: #afc9ec; font-size: 15px; }
.carousel-tabs button span:first-child { display: block; width: 12px; height: 12px; border-radius: 50%; background: #a7c5ea; font-size: 0; }
.carousel-tabs button::after { display: none; }
.carousel-tabs button.is-active { color: #0065ff; }
.carousel-tabs button.is-active span:first-child { background: #0065ff; }
.workflow-section { padding: 0 0 28px; background: #fff url("../images/hero-reference-background-v2.png") center -852px / 1536px 1024px no-repeat; }
.workflow-section > .container { width: min(calc(100% - 112px), 1424px); padding: 28px 48px; border-radius: 32px; background: rgba(240,247,255,.55); }
.workflow-section .section-heading { max-width: none; width: 100%; margin: 0; }
.workflow-section h2 { font-size: 36px; font-weight: 900; -webkit-text-stroke: .4px currentColor; line-height: 45px; letter-spacing: 0; color: #03051a; }
.workflow-section .section-heading p { margin-top: 1px; font-size: 18px; color: #526b9f; }
.workflow-grid { display: none; }
.workflow-benefits { display: flex; justify-content: center; gap: 84px; margin-top: 16px; font-size: 16px; color: #526b9f; }
.hero .button-primary, .nav-actions .button-primary { background: linear-gradient(115deg, #2c89ff, #0061ff); }
.hero .download-menu-main { background: rgba(255,255,255,.25); border-color: #b6d3ff; box-shadow: none; }
.workflow-benefits i { color: #006aff; font-size: 21px; margin-right: 10px; vertical-align: -2px; }

@media (min-width: 1051px) {
  .nav-shell { width: min(calc(100% - 100px), 1330px); gap: 0; }
  .brand img { width: 50px; height: 50px; }
  .brand-copy strong { font-size: 25px; }
  .brand-copy small { font-size: 14px; }
  .main-nav { gap: 52px; margin-left: 156px; margin-right: auto; }
  .main-nav a { font-size: 16px; color: #071b43; }
  .nav-actions { gap: 26px; }
  .nav-actions .button { min-width: 246px; height: 50px; border-radius: 999px; font-size: 16px; }
}

@media (min-width: 821px) and (max-width: 1200px) {
  .main-nav { margin-left: auto; }
  .hero h1 { font-size: 50px; }
  .product-carousel { width: min(84%, 1004px); }
  .hero-workflow { width: min(88%, 900px); grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; gap: 9px; }
  .hero-workflow > li:not(.flow-arrow) { padding: 7px 13px; gap: 9px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 1050px) {
  .main-nav { gap: 19px; }
  .nav-actions .button { display: none; }
  .hero-workflow { gap: 8px; }
  .hero-workflow > li:not(.flow-arrow) { padding: 12px; }
  .step-icon { width: 36px; height: 36px; }
  .feature-story, .feature-story.reverse { grid-template-columns: 1fr; }
  .feature-story.reverse .feature-copy { order: 0; }
  .faq-layout { gap: 55px; }
  .download-panel { grid-template-columns: auto 1fr; }
  .download-panel-actions { grid-column: 2; }
}

@media (max-width: 820px) {
  .container { width: min(calc(100% - 32px), var(--container)); }
  .section { padding: 80px 0; }
  .site-header { height: 68px; }
  .nav-shell { justify-content: space-between; }
  .mobile-nav-toggle { display: block; order: 3; }
  .nav-actions { margin-left: auto; }
  .main-nav { position: absolute; top: 68px; left: 0; right: 0; width: 100vw; height: calc(100vh - 68px); display: flex; flex-direction: column; justify-content: flex-start; align-items: stretch; gap: 0; padding: 30px 24px; background: #ffffff; visibility: hidden; opacity: 0; transform: translateY(-10px); transition: opacity .2s ease, transform .2s ease, visibility .2s ease; box-shadow: 0 22px 50px rgba(44,94,156,.12); }
  body.nav-open .main-nav { visibility: visible; opacity: 1; transform: none; }
  .main-nav a { padding: 17px 6px; font-size: 19px; border-bottom: 1px solid var(--line); }
  .main-nav a::after { display: none; }
  .hero { padding: 126px 0 78px; min-height: auto; }
  .hero { height: auto; }
  .hero h1 { white-space: normal; }
  .hero h1 span { display: block; }
  .hero-workflow { width: 100%; }
  .product-carousel { width: calc(100% - 28px); }
  .carousel-track { height: auto; aspect-ratio: 2.7 / 1; }
  .carousel-prev { left: -25px; }
  .carousel-next { right: -25px; }
  .workflow-section > .container { width: calc(100% - 24px); padding: 28px 20px; }
  .workflow-benefits { flex-wrap: wrap; gap: 16px 25px; font-size: 14px; }
  .hero h1 { font-size: clamp(42px, 11vw, 64px); }
  .hero-workflow { grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 42px; }
  .hero-workflow .flow-arrow { display: none; }
  .hero-workflow > li:not(.flow-arrow) { flex-direction: column; align-items: flex-start; min-height: 122px; }
  .workflow-grid, .scene-grid { grid-template-columns: repeat(2, 1fr); }
  .scene-card:nth-child(2), .scene-card:nth-child(4) { margin-top: 0; }
  .capability-grid { grid-template-columns: 1fr; }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-intro { position: static; }
  .footer-grid { grid-template-columns: 1.7fr 1fr 1fr; }
  .footer-grid > div:last-child { display: none; }
}

@media (max-width: 580px) {
  .container { width: min(calc(100% - 24px), var(--container)); }
  .brand-copy strong { font-size: 17px; }
  .brand img { width: 40px; height: 40px; }
  .nav-actions { display: none; }
  .hero { padding-top: 112px; }
  .eyebrow { margin-bottom: 18px; }
  .hero h1 { font-size: 42px; }
  .hero-lead { font-size: 15px; letter-spacing: 0; }
  .hero-description { font-size: 14px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions > .button { width: 100%; }
  .hero-actions .download-menu { width: 100%; }
  .hero-actions .download-menu-main { width: 100%; }
  .hero-actions .download-menu-arrow { opacity: 1; }
  .hero-workflow > li:not(.flow-arrow) { height: auto; padding: 14px; border-radius: 20px; gap: 10px; }
  .hero-workflow .step-icon { width: 40px; height: 40px; }
  .carousel-track { aspect-ratio: 2.7 / 1; }
  .workflow-section h2 { font-size: 28px; line-height: 1.3; }
  .workflow-section .section-heading p { font-size: 15px; }
  .download-menu { width: 100%; }
  .download-menu .download-menu-main { flex: 1; }
  .hero-workflow { grid-template-columns: repeat(2, 1fr); }
  .hero-workflow > li:not(.flow-arrow) { min-height: 105px; }
  .carousel-frame { padding: 7px; border-radius: 16px; }
  .carousel-track { aspect-ratio: 3 / 2; border-radius: 11px; }
  .carousel-slide figcaption { left: 10px; top: 10px; padding: 6px 9px; }
  .carousel-slide figcaption span { display: none; }
  .carousel-arrow { width: 36px; height: 36px; }
  .carousel-prev { left: 14px; }
  .carousel-next { right: 14px; }
  .carousel-tabs { width: 100%; }
  .carousel-tabs button { font-size: 11px; }
  .carousel-tabs button span:first-child { display: none; }
  .section-heading { margin-bottom: 38px; }
  .section-heading h2, .faq-intro h2 { font-size: 34px; }
  .section-heading p { font-size: 15px; }
  .workflow-grid, .scene-grid { grid-template-columns: 1fr; }
  .workflow-card, .scene-card { min-height: auto; }
  .scene-icon { margin-bottom: 34px; }
  .feature-story { gap: 30px; margin-top: 22px; padding: 24px; border-radius: 20px; }
  .feature-copy h3 { font-size: 28px; }
  .download-panel { grid-template-columns: 1fr; padding: 30px 24px; text-align: center; }
  .download-panel > img { margin-inline: auto; }
  .download-panel-actions { grid-column: 1; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 8px; }
}