/* Brand colors come from FluxLine/web/src/styles.css. */
:root {
    color-scheme: dark;
    --paper: #08101c;
    --soft: #0d1624;
    --panel: #0f1928;
    --ink: #dce7f3;
    --muted: #98adc2;
    --blue: #71d4ed;
    --cyan: #45b9e8;
    --line: #213046;
    --dark: #08101c;
    --radius: 10px;
    font-family: Inter, "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--ink);
    background: var(--paper);
    font-synthesis: none;
    scroll-behavior: smooth;
    scroll-padding-top: 110px;
}
* { box-sizing: border-box; }
body { margin: 0; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { color: inherit; cursor: pointer; }
button, a, input, textarea, select { -webkit-tap-highlight-color: transparent; }
button:disabled { cursor: default; opacity: .65; }
img, video { max-width: 100%; display: block; height: auto; }
figure { margin: 0; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-weight: 600; letter-spacing: -.045em; }
h1 { font-size: clamp(42px, 5.5vw, 80px); line-height: 1.18; }
h2 { font-size: clamp(30px, 3.3vw, 48px); line-height: 1.3; }
h3 { font-size: 23px; line-height: 1.5; }
p { line-height: 1.95; color: var(--muted); }
em { font-style: normal; color: var(--blue); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 5px; }
::selection { background: #2863a8; color: #eef5fc; }
.container { width: min(1360px, calc(100% - 112px)); margin-inline: auto; min-width: 0; }
.section { padding-block: 120px; }
.eyebrow { display: block; font-size: 10px; font-weight: 600; letter-spacing: .16em; line-height: 1.8; color: var(--blue); margin-bottom: 24px; }
.lead { font-size: 17px; line-height: 2; }
.actions { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 30px; min-height: 50px; padding: 13px 24px; border: 1px solid transparent; border-radius: 5px; font-size: 14px; font-weight: 600; line-height: 1.5; transition: background .2s, border-color .2s, transform .2s, box-shadow .2s; }
.button span { font-size: 20px; line-height: 1; transition: transform .2s; }
.primary { color: #06111f; background: linear-gradient(110deg, #71d4ed, #45b9e8); border-color: #71d4ed88; box-shadow: 0 4px 26px #0a83ba20; }
.primary:hover { background: #9ae3f5; box-shadow: 0 5px 35px #45b9e838; transform: translateY(-2px); }
.button:hover span { transform: translate(2px, -2px); }
.secondary { color: var(--ink); border-color: #36516c; background: #111e2f66; }
.secondary:hover { background: #193149; border-color: #71d4ed99; transform: translateY(-2px); }
.text-link { display: inline-block; font-size: 14px; font-weight: 500; color: var(--blue); line-height: 1.8; }
.text-link:hover { text-decoration: underline; text-underline-offset: 5px; }
.skip { position: absolute; z-index: 1000; top: -100px; left: 20px; padding: 14px; color: var(--paper); background: var(--blue); }
.skip:focus { top: 10px; }
.header { position: sticky; top: 0; z-index: 40; background: #08101ce8; border-bottom: 1px solid #213046b3; backdrop-filter: blur(18px); }
.nav-wrap { max-width: 1600px; margin: auto; min-height: 88px; padding: 15px 56px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 25px; font-weight: 700; letter-spacing: -.9px; white-space: nowrap; }
.brand img { filter: drop-shadow(0 0 10px #45b9e82b); }
.brand-sub { font-size: 8px; color: #91a8bf; font-weight: 500; letter-spacing: .12em; max-width: 72px; white-space: normal; line-height: 1.7; border-left: 1px solid #30445e; padding-left: 14px; margin-left: 10px; }
.header nav { display: flex; align-items: center; gap: 30px; font-size: 13px; font-weight: 500; }
.header nav a:not(.button) { color: #a7bbcf; transition: color .2s; }
.header nav a:not(.button):hover, .header nav [aria-current=page] { color: var(--blue); }
.header .button { min-height: 41px; padding: 10px 17px; font-size: 12px; gap: 24px; }
.header nav .language { font-size: 11px; border-left: 1px solid #30445e; padding-left: 27px; }
.menu-button { display: none; background: var(--panel); border: 1px solid #36516c; padding: 10px 14px; border-radius: 5px; font-size: 13px; }
.hero-shell { position: relative; isolation: isolate; overflow: hidden; background: radial-gradient(ellipse at 76% 45%, #14324877, transparent 60%), var(--paper); }
.hero-grid { position: absolute; inset: 0; z-index: -1; opacity: .3; background-image: linear-gradient(#30445e55 1px, transparent 1px), linear-gradient(90deg, #30445e55 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(90deg, transparent, #0009 40%, #000 90%); pointer-events: none; }
.hero-shell:after { content: ''; position: absolute; z-index: -1; top: 14%; right: 8%; width: 620px; height: 620px; border: 1px solid #45b9e80c; border-radius: 50%; box-shadow: 0 0 0 100px #45b9e804, 0 0 0 200px #45b9e803; pointer-events: none; }
.hero { display: grid; grid-template-columns: 1fr 1.1fr; gap: 58px; align-items: center; min-height: min(850px, calc(100svh - 88px)); padding-block: 106px 74px; position: relative; }
.hero-copy { position: relative; z-index: 2; }
.hero h1 { font-size: clamp(48px, 5vw, 76px); line-height: 1.28; font-weight: 600; margin-bottom: 30px; letter-spacing: -.055em; }
.hero h1 em { color: transparent; background: linear-gradient(105deg, #b5edfa, #45b9e8 80%); background-clip: text; -webkit-background-clip: text; }
.hero-copy .lead { max-width: 460px; font-size: 15px; margin-bottom: 34px; color: #a7bbcf; }
.hero-copy .eyebrow { font-size: 9px; letter-spacing: .13em; display: flex; align-items: center; gap: 10px; white-space: nowrap; margin-bottom: 30px; }
.status-dot { display: inline-block; width: 5px; height: 5px; background: var(--blue); border-radius: 50%; box-shadow: 0 0 12px #71d4ed80; flex-shrink: 0; }
.release-hint { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; color: #92a8be; font-size: 10px; margin-top: 24px; letter-spacing: .02em; }
.hero-scroll { display: inline-flex; align-items: center; gap: 12px; margin-top: 66px; font-size: 9px; color: #8aa6bd; letter-spacing: .1em; }
.hero-scroll:hover { color: var(--blue); }
.scroll-mark { width: 15px; height: 22px; border: 1px solid #3a5e77; border-radius: 8px; position: relative; }
.scroll-mark:after { content: ''; position: absolute; top: 5px; left: 6px; width: 1px; height: 4px; background: var(--blue); }
.hero-stage { position: relative; min-width: 0; padding: 26px 0 0; }
.flow-map { position: absolute; width: 132%; height: 116%; top: -8%; left: -16%; z-index: -1; overflow: visible; pointer-events: none; }
.map-tracks { stroke: #2e526b; stroke-width: 1; opacity: .7; }
.map-current { stroke: #71d4ed; stroke-width: 1.5; stroke-dasharray: 12 850; opacity: .7; }
.map-current path:nth-child(2) { stroke-dasharray: 8 540; }
.map-current path:nth-child(3) { stroke-dasharray: 10 500; }
.map-nodes { fill: #08101c; stroke: #45b9e8; stroke-width: 1.3; }
.hero-visual { --tilt-x: 0deg; --tilt-y: 0deg; --light-x: 65%; --light-y: 0%; position: relative; overflow: hidden; background: #08101c; border: 1px solid #36516c; border-radius: 9px; box-shadow: 0 35px 90px -30px #000c, 0 0 90px -35px #45b9e838; transform: perspective(1400px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)); transition: transform .35s ease-out; }
.hero-visual:after { content: ''; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(ellipse at var(--light-x) var(--light-y), #71d4ed0b, transparent 65%); border-radius: inherit; }
.canvas-label { color: #91a8bf; display: flex; align-items: center; gap: 9px; padding: 17px 19px; font: 8px ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .1em; border-bottom: 1px solid #213046; background: #0d1624; }
.canvas-label > span:last-child { margin-left: auto; color: #9ab1c6; font-size: 7px; }
.scene-image { position: relative; background: #08101c; }
.hero-visual img { width: 100%; aspect-ratio: 1.38; object-fit: cover; object-position: 55% center; }
.scene-corner { position: absolute; width: 15px; height: 15px; pointer-events: none; opacity: .7; }
.corner-tl { top: 18px; left: 18px; border-top: 1px solid var(--blue); border-left: 1px solid var(--blue); }
.corner-br { right: 18px; bottom: 18px; border-right: 1px solid var(--blue); border-bottom: 1px solid var(--blue); }
.scene-tag { position: absolute; bottom: 18px; left: 18px; font: 8px ui-monospace, monospace; color: #91a8bf; letter-spacing: .15em; }
.canvas-footer { padding: 15px 18px; border-top: 1px solid #213046; display: flex; gap: 12px; justify-content: space-between; font-size: 8px; letter-spacing: .04em; color: #98adc2; background: #0d1624; }
.scene-switcher { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 23px; border: 1px solid #2c445a; border-radius: 5px; background: #0d1624cc; overflow: hidden; }
.scene-tab { display: flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 10px 7px; font-size: 11px; color: #a7bbcf; background: transparent; border: 0; border-right: 1px solid #213046; transition: color .2s, background .2s; }
.scene-tab:last-child { border-right: 0; }
.scene-tab span { font: 8px ui-monospace, monospace; color: #91a8bf; }
.scene-tab[aria-pressed=true] { color: #c5effa; background: #173147; box-shadow: inset 0 -2px var(--cyan); }
.scene-tab:hover { color: #c5effa; background: #15283a; }
.scene-tab:focus-visible { outline-offset: -4px; }
.stage-caption { margin: 17px 0 0; font: 8px ui-monospace, monospace; letter-spacing: .13em; color: #91a8bf; text-align: center; }
.principles { background: #0d1624; border-block: 1px solid #213046; }
.principles > .container { display: flex; align-items: center; justify-content: space-between; gap: 22px; padding-block: 25px; font-size: 11px; letter-spacing: .06em; color: #a7bbcf; }
.principles span { display: flex; align-items: center; gap: 12px; }
.principles span:before { content: '+'; color: var(--cyan); font: 18px ui-monospace, monospace; }
.section-heading { max-width: 860px; margin-bottom: 55px; }
.section-heading h2 { margin-bottom: 19px; }
.workflow-section { position: relative; }
.workflow-section .section-heading { max-width: 1000px; }
.workflow { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid #36516c; }
.workflow article { padding: 37px 36px 5px 0; position: relative; }
.workflow article:not(:first-child) { padding-left: 36px; border-left: 1px solid var(--line); }
.workflow article:before { content: ''; position: absolute; top: -3px; left: 0; width: 5px; height: 5px; background: var(--cyan); box-shadow: 0 0 14px #45b9e870; }
.workflow article:after { content: ''; position: absolute; top: -1px; left: 0; width: 35px; height: 1px; background: var(--blue); opacity: 0; }
.step-number { font: 12px ui-monospace, monospace; color: var(--blue); display: block; margin-bottom: 38px; }
.workflow h3 { font-size: 23px; margin-bottom: 16px; }
.workflow p { font-size: 14px; margin-bottom: 0; }
.feature-band { position: relative; overflow: hidden; background: radial-gradient(ellipse at 80% 100%, #122e4270, transparent 65%), #0d1624; border-block: 1px solid var(--line); }
.feature-band:before { content: '02'; position: absolute; top: 24px; left: 4%; color: #71d4ed08; font: 200px/.9 ui-monospace, monospace; letter-spacing: -.1em; pointer-events: none; }
.split { display: grid; grid-template-columns: .84fr 1.16fr; gap: 90px; align-items: center; position: relative; }
.split > div > p { font-size: 15px; margin-bottom: 28px; }
.product-frame { overflow: hidden; background: var(--dark); border: 1px solid #36516c; border-radius: 9px; box-shadow: 0 20px 60px -25px #000a; }
.product-frame img { width: 100%; aspect-ratio: 1.975; object-fit: cover; }
.product-frame figcaption { font-size: 10px; line-height: 1.8; color: #a7bbcf; padding: 12px 17px; border-top: 1px solid #213046; letter-spacing: .02em; background: #0f1928; }
.scenario-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.scenario-card { min-width: 0; position: relative; display: block; border-top: 1px solid #36516c; padding-top: 22px; }
.scenario-card:before { content: ''; position: absolute; top: -1px; left: 0; width: 50px; height: 1px; background: var(--cyan); transition: width .4s; }
.scenario-card:hover:before { width: 100%; }
.scenario-card img { border: 1px solid #213046; border-radius: 7px; width: 100%; aspect-ratio: 1.975; object-fit: cover; margin-bottom: 27px; transition: filter .3s, border-color .3s; }
.scenario-card:hover img { filter: brightness(1.15); border-color: #45b9e866; }
.scenario-card .eyebrow { font-size: 9px; margin-bottom: 12px; color: #91a8bf; }
.scenario-card h3 { font-size: 23px; margin-bottom: 16px; }
.scenario-card p { font-size: 13px; min-height: 52px; }
.start-section { position: relative; padding: 72px 64px; margin-bottom: 120px; border: 1px solid #36516c; border-radius: 8px; background: radial-gradient(ellipse at 100% 0%, #16374b99, transparent 65%), #0d1624; overflow: hidden; }
.start-section:after { content: '+'; position: absolute; right: 50px; bottom: -50px; font: 240px/.9 ui-monospace, monospace; color: #45b9e80a; pointer-events: none; }
.start-section .section-heading { max-width: 850px; margin-bottom: 30px; position: relative; z-index: 1; }
.start-section .section-heading h2 { font-size: clamp(30px, 3vw, 43px); }
.start-section .section-heading p { font-size: 14px; }
.start-section .actions { position: relative; z-index: 1; }
.contact-strip { position: relative; background: #0d1624; padding: 75px 0; border-top: 1px solid #36516c; }
.contact-strip:before { content: ''; position: absolute; top: -1px; left: 0; width: 35%; height: 1px; background: linear-gradient(90deg, transparent, #45b9e8, transparent); }
.contact-strip > .container { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.contact-strip h2 { font-size: 35px; margin-bottom: 16px; }
.contact-strip .eyebrow { font-size: 9px; margin-bottom: 16px; }
.contact-strip p { font-size: 14px; margin: 0; }
.contact-strip .button { flex-shrink: 0; }
.footer { background: #08101c; border-top: 1px solid var(--line); padding: 70px 56px 0; }
.footer-top, .footer-bottom { width: min(1360px, 100%); margin: auto; }
.footer-top { display: grid; grid-template-columns: 1.4fr .8fr 1fr; gap: 50px; padding-bottom: 50px; }
.footer-top p { font-size: 13px; margin-top: 20px; }
.footer-top > div:not(:first-child) { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; font-size: 12px; color: #a7bbcf; }
.footer-label { font-size: 9px; letter-spacing: .11em; font-weight: 500; color: var(--blue); margin-bottom: 8px; }
.footer-top a:hover { color: var(--blue); }
.footer-bottom { border-top: 1px solid var(--line); padding: 25px 0 40px; display: flex; gap: 30px; justify-content: space-between; font-size: 10px; color: #91a8bf; line-height: 1.8; }
.page-heading { padding-top: 92px; padding-bottom: 64px; position: relative; }
.page-heading:before { content: ''; position: absolute; left: 0; top: 0; height: 45px; width: 1px; background: linear-gradient(var(--line), var(--cyan)); }
.page-heading h1 { max-width: 1000px; font-size: clamp(40px, 4.7vw, 68px); margin-bottom: 30px; }
.page-heading .lead { max-width: 790px; font-size: 16px; }
.feature-row { display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: 85px; border-top: 1px solid var(--line); padding-block: 80px; }
.feature-row.reverse > div { grid-column: 2; }
.feature-row.reverse > figure { grid-row: 1; grid-column: 1; }
.feature-row.reverse { grid-template-columns: 1.15fr .85fr; }
.feature-row h2 { font-size: clamp(28px, 2.8vw, 40px); }
.feature-row p { font-size: 15px; }
.feature-row h3 { font-size: 18px; line-height: 1.8; font-weight: 400; color: var(--blue); }
.note-panel { padding: 42px; background: #0f1928; border: 1px solid #30445e; border-left: 2px solid var(--cyan); border-radius: 7px; margin-bottom: 90px; }
.note-panel h2 { font-size: 31px; }
.note-panel p { font-size: 14px; margin-bottom: 0; }
.tutorial-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 50px 28px; padding-bottom: 70px; }
.tutorial-card { display: block; min-width: 0; }
.tutorial-image { position: relative; overflow: hidden; border-radius: 7px; border: 1px solid #30445e; background: var(--dark); transition: border-color .3s, box-shadow .3s; }
.tutorial-card:hover .tutorial-image { border-color: #45b9e899; box-shadow: 0 8px 35px #45b9e810; }
.tutorial-card img { width: 100%; aspect-ratio: 1.975; object-fit: cover; }
.play-mark { position: absolute; bottom: 16px; left: 16px; width: 36px; height: 36px; border-radius: 50%; background: #0d1624eb; border: 1px solid #71d4ed80; display: grid; place-items: center; color: var(--blue); font-size: 12px; padding-left: 2px; transition: background .2s; }
.tutorial-card:hover .play-mark { background: #173147; }
.tutorial-card > div:last-child { padding-top: 24px; }
.tutorial-card h2 { font-size: 24px; margin-bottom: 12px; }
.tutorial-card .eyebrow { font-size: 9px; margin-bottom: 12px; }
.tutorial-card p { font-size: 13px; }
.manual-banner { border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 35px; }
.manual-banner .button { flex-shrink: 0; }
.manual-banner p { margin-bottom: 0; font-size: 14px; }
.video-section { max-width: 1100px; }
.video-section video { width: 100%; aspect-ratio: 1.975; background: var(--dark); border: 1px solid #36516c; border-radius: 8px; }
.caption { font-size: 11px; line-height: 1.9; color: #98adc2; }
.article-width { max-width: 840px; }
.tutorial-steps { list-style: none; padding: 0; counter-reset: steps; margin-block: 35px; }
.tutorial-steps li { counter-increment: steps; position: relative; padding: 4px 0 28px 48px; line-height: 1.95; font-size: 15px; color: var(--muted); }
.tutorial-steps li:before { content: counter(steps, decimal-leading-zero); position: absolute; left: 0; top: 5px; color: var(--cyan); font: 12px/2 ui-monospace, monospace; }
.release-bar { padding: 24px 30px; display: flex; align-items: center; gap: 22px; border: 1px solid #36516c; background: #0f1928; border-radius: 7px; font-size: 13px; flex-wrap: wrap; }
.release-bar .eyebrow { margin: 0; font-size: 10px; }
.release-bar > span:last-child { color: #a7bbcf; }
.badge { font: 9px ui-monospace, monospace; padding: 4px 7px; border-radius: 3px; letter-spacing: .07em; }
.badge.beta { background: #3b2e17; color: #f0c76b; border: 1px solid #6a512b; }
.download-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; padding-top: 30px; }
.download-card { min-width: 0; position: relative; padding: 40px; background: linear-gradient(145deg, #111e2f, #0d1624); border: 1px solid #36516c; border-radius: 9px; transition: border-color .25s, box-shadow .25s; }
.download-card:hover { border-color: #45b9e880; box-shadow: 0 10px 50px #45b9e810; }
.download-card h2 { font-size: 34px; margin: 24px 0 8px; }
.download-card > p { font-size: 13px; }
.os-symbol { display: block; font-size: 35px; line-height: 1; color: var(--blue); }
.file-size { position: absolute; right: 35px; top: 46px; font: 11px ui-monospace, monospace; color: #a7bbcf; }
.download-card > .button { display: flex; width: 100%; margin-top: 28px; }
.filename { overflow-wrap: anywhere; margin-top: 16px; font-size: 10px !important; }
.checksum { border-top: 1px solid var(--line); padding-top: 18px; font-size: 12px; }
.checksum summary { cursor: pointer; color: #a7bbcf; }
.checksum code { display: block; overflow-wrap: anywhere; background: #08101c; padding: 14px; margin-top: 14px; font-size: 10px; line-height: 1.8; color: #bcd0e3; border-radius: 4px; }
.checksum a { color: var(--blue); display: inline-block; margin-top: 12px; }
.availability { padding: 18px 0; border-top: 1px solid var(--line); margin-top: 25px; }
.download-grid + .section .note-panel { margin: 0; }
.faq-list { padding-bottom: 120px; }
.faq-list details { border-top: 1px solid #30445e; padding: 28px 0; }
.faq-list details:last-child { border-bottom: 1px solid #30445e; }
.faq-list summary { cursor: pointer; font-size: 20px; font-weight: 500; line-height: 1.7; padding-right: 26px; }
.faq-list details[open] summary { color: var(--blue); }
.faq-list p { font-size: 15px; margin: 23px 0 0; }
.contact-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 85px; padding-bottom: 120px; align-items: start; }
.contact-card { padding: 35px 0; border-top: 1px solid var(--cyan); }
.contact-card h2 { font-size: 30px; }
.contact-card p { font-size: 14px; margin-top: 28px; }
.email-address { font-size: clamp(20px, 2.3vw, 29px); color: var(--blue); display: block; overflow-wrap: anywhere; }
.plain-button { padding: 10px 0; background: none; border: 0; color: var(--blue); font-size: 12px; }
.request-form { min-width: 0; background: #0f1928; border: 1px solid #30445e; padding: 38px; border-radius: 8px; }
.request-form > h2 { font-size: 29px; }
.request-form > p { font-size: 13px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { min-width: 0; margin: 24px 0; }
.field label { display: block; font-size: 12px; font-weight: 500; margin-bottom: 10px; line-height: 1.7; min-height: 20px; }
.field input, .field select, .field textarea, .draft-panel textarea { display: block; width: 100%; min-width: 0; border: 1px solid #36516c; border-radius: 5px; padding: 12px; background: #08101c; color: var(--ink); font-size: 14px; line-height: 1.65; min-height: 47px; }
.field textarea { resize: vertical; }
.field input, .field select { height: 49px; }
.field textarea::placeholder { color: #8aa0b8; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid #71d4ed; outline-offset: 1px; }
.field [aria-invalid=true] { border-color: #ff8a80; }
.field small { display: block; font-size: 11px; line-height: 1.8; color: #98adc2; margin-top: 9px; }
.field-error { color: #ff9c94; display: block; font-size: 12px; line-height: 1.7; min-height: 21px; }
.draft-panel { font-size: 12px; margin: 5px 0 25px; color: #a7bbcf; }
.draft-panel summary { cursor: pointer; }
.draft-panel textarea { margin-top: 13px; background: #08101c; font-size: 12px; }
.request-form .actions { gap: 10px; }
.request-form .button { font-size: 12px; padding: 12px 15px; gap: 9px; }
.form-status { min-height: 23px; font-size: 12px; color: var(--blue); margin-bottom: 0; }
.utility-page { min-height: 100svh; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding-block: 70px; }
.utility-page .brand { margin-bottom: 45px; }
.utility-page h1 { font-size: clamp(34px, 5vw, 70px); }
.utility-page p { max-width: 650px; font-size: 15px; }
.utility-page .actions { margin-top: 20px; }
.utility-code { font: clamp(90px, 15vw, 190px)/1 ui-monospace, monospace; color: #36516c; letter-spacing: -.08em; margin-bottom: 30px; }
html[data-motion=on] .map-current path { animation: route-flow 11s linear infinite; }
html[data-motion=on] .map-current path:nth-child(2) { animation-duration: 8s; animation-delay: -3s; }
html[data-motion=on] .map-current path:nth-child(3) { animation-duration: 9s; animation-delay: -5s; }
html[data-motion=on] .hero-copy .status-dot { animation: signal 3.5s ease-in-out infinite; }
html[data-motion=on] .scroll-mark:after { animation: scroll-cue 2.5s ease-in-out infinite; }
html[data-motion=on] .workflow article:after { animation: workflow-flow 7s ease-in-out infinite; }
html[data-motion=on] .workflow article:nth-child(2):after { animation-delay: 1.7s; }
html[data-motion=on] .workflow article:nth-child(3):after { animation-delay: 3.4s; }
html[data-motion=on] .reveal { transition: opacity .75s ease, transform .75s cubic-bezier(.2,.65,.3,1); transition-delay: var(--reveal-delay, 0ms); }
html[data-motion=on] .reveal:not(.is-visible) { opacity: 0; transform: translateY(24px); }
html[data-motion=on] .hero-copy { animation: hero-enter .9s cubic-bezier(.2,.65,.3,1) both; }
html[data-motion=on] .hero-stage { animation: hero-enter 1.2s cubic-bezier(.2,.65,.3,1) both; }
html[data-motion=off] .hero-visual { transform: none; }
@keyframes route-flow { from { stroke-dashoffset: 0; } to { stroke-dashoffset: -862; } }
@keyframes signal { 0%, 100% { box-shadow: 0 0 0 0 #71d4ed33, 0 0 10px #71d4ed40; } 50% { box-shadow: 0 0 0 5px #71d4ed00, 0 0 17px #71d4ed80; } }
@keyframes scroll-cue { 0%, 100% { opacity: .4; transform: translateY(0); } 50% { opacity: 1; transform: translateY(5px); } }
@keyframes workflow-flow { 0%, 10% { opacity: 0; transform: translateX(0); } 20% { opacity: .8; } 70%, 100% { opacity: 0; transform: translateX(240px); } }
@keyframes hero-enter { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@media (min-width: 1600px) { .hero { min-height: 880px; gap: 75px; } .hero h1 { font-size: 80px; } }
@media (max-width: 1200px) {
    .container { width: calc(100% - 72px); }
    .nav-wrap { padding-inline: 36px; gap: 20px; }
    .header nav { gap: 22px; }
    .brand-sub { display: none; }
    .hero { gap: 32px; padding-block: 80px; min-height: 720px; }
    .hero h1 { font-size: 56px; }
    .hero-copy .lead { font-size: 14px; }
    .hero-copy .eyebrow { font-size: 8px; }
    .hero .button { padding-inline: 18px; font-size: 13px; gap: 19px; }
    .canvas-label { padding: 14px; font-size: 7px; }
    .canvas-label > span:last-child { font-size: 6px; }
    .hero-scroll { margin-top: 45px; }
    .scene-tab { gap: 7px; font-size: 10px; }
    .section { padding-block: 90px; }
    .split, .feature-row, .contact-layout { gap: 48px; }
    .start-section { padding: 60px 45px; margin-bottom: 90px; }
    .footer { padding-inline: 36px; }
    .contact-layout { grid-template-columns: .75fr 1.25fr; gap: 40px; }
    .request-form { padding: 30px; }
}
@media (max-width: 900px) {
    .hero { gap: 25px; grid-template-columns: .95fr 1.05fr; }
    .hero h1 { font-size: 46px; }
    .hero-copy .eyebrow { font-size: 7px; letter-spacing: .08em; }
    .hero .actions { gap: 10px; }
    .hero .button { font-size: 12px; padding: 12px 14px; gap: 12px; }
    .hero-visual img { aspect-ratio: 1.18; }
    .canvas-label > span:last-child { display: none; }
    .canvas-footer { padding: 12px; font-size: 7px; flex-wrap: wrap; gap: 6px; }
    .scene-tab { font-size: 9px; }
    .scene-tab span { display: none; }
}
@media (max-width: 820px) {
    .nav-wrap { min-height: 76px; flex-wrap: wrap; }
    .menu-button { display: flex; gap: 15px; align-items: center; }
    .header nav { display: none; flex-basis: 100%; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 0 15px; }
    .header nav[data-open=true] { display: flex; }
    html:not([data-motion]) .header nav { display: flex; }
    html:not([data-motion]) .menu-button { display: none; }
    .header nav > a { padding: 14px 2px; border-top: 1px solid var(--line); }
    .header nav .language { border-left: 0; padding: 14px 2px; }
    .header nav .button { margin-top: 12px; }
    .hero { grid-template-columns: 1fr; gap: 48px; padding-block: 70px 60px; min-height: 0; }
    .hero h1 { font-size: clamp(48px, 8vw, 70px); }
    .hero-copy .lead { max-width: 580px; font-size: 15px; }
    .hero-copy .eyebrow { font-size: 9px; letter-spacing: .11em; }
    .hero .button { font-size: 14px; padding: 13px 22px; gap: 25px; }
    .hero-scroll { display: none; }
    .hero-stage { padding-top: 0; }
    .hero-visual img { aspect-ratio: 1.8; object-position: center; }
    .hero-visual { transform: none !important; }
    .canvas-label { font-size: 8px; padding: 15px; }
    .canvas-label > span:last-child { display: inline; font-size: 7px; }
    .canvas-footer { flex-wrap: nowrap; gap: 10px; font-size: 8px; padding: 13px 15px; }
    .scene-tab { font-size: 11px; min-height: 44px; }
    .scene-tab span { display: inline; }
    .stage-caption { font-size: 7px; }
    .flow-map { width: 120%; left: -10%; }
    .principles > .container { flex-wrap: wrap; gap: 15px 25px; font-size: 10px; }
    .workflow article { padding-right: 20px; }
    .workflow article:not(:first-child) { padding-left: 20px; }
    .workflow h3 { font-size: 21px; }
    .workflow p { font-size: 13px; }
    .scenario-grid { grid-template-columns: 1fr; gap: 35px; }
    .scenario-card { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; padding-top: 25px; }
    .scenario-card img { margin-bottom: 0; }
    .scenario-card h3 { font-size: 24px; }
    .scenario-card p { min-height: 0; }
    .split, .feature-row, .feature-row.reverse { grid-template-columns: 1fr; gap: 40px; }
    .feature-row.reverse > div, .feature-row.reverse > figure { grid-row: auto; grid-column: auto; }
    .tutorial-grid { grid-template-columns: 1fr 1fr; }
    .contact-layout { grid-template-columns: 1fr; gap: 35px; }
    .contact-card { max-width: 600px; }
    .request-form { max-width: 760px; }
    .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
    .footer-top > div:first-child { grid-column: 1 / -1; }
    .footer-bottom { flex-wrap: wrap; gap: 15px 25px; padding-bottom: 65px; }
    .page-heading { padding-top: 65px; }
    .contact-strip > .container { align-items: flex-start; flex-direction: column; }
    .contact-strip h2 { font-size: 32px; }
    .manual-banner { align-items: flex-start; flex-direction: column; }
    .download-card { padding: 30px; }
    .file-size { right: 26px; top: 36px; }
    html[data-motion=on] .map-current path { animation-duration: 15s; }
}
@media (max-width: 520px) {
    .container { width: calc(100% - 40px); }
    .nav-wrap { padding-inline: 20px; }
    .brand { font-size: 23px; }
    .hero { padding-top: 54px; padding-bottom: 45px; gap: 37px; }
    .hero h1 { font-size: clamp(35px, 10.5vw, 50px); letter-spacing: -.055em; margin-bottom: 25px; }
    .hero-copy .eyebrow { font-size: 7px; letter-spacing: .08em; margin-bottom: 23px; }
    .hero-copy .lead { font-size: 14px; line-height: 1.95; margin-bottom: 27px; }
    .hero .actions { gap: 11px; }
    .hero .button { padding: 12px 17px; font-size: 12px; gap: 20px; min-height: 47px; }
    .release-hint { font-size: 9px; gap: 9px; margin-top: 22px; }
    .canvas-label { font-size: 6px; padding: 13px 12px; gap: 7px; }
    .canvas-label > span:last-child { font-size: 6px; }
    .canvas-footer { font-size: 6px; padding: 11px 12px; gap: 6px; }
    .hero-visual img { aspect-ratio: 1.5; }
    .scene-corner { width: 10px; height: 10px; }
    .corner-tl { top: 12px; left: 12px; }
    .corner-br { right: 12px; bottom: 12px; }
    .scene-tag { font-size: 6px; left: 12px; bottom: 12px; }
    .scene-switcher { margin-top: 17px; }
    .scene-tab { font-size: 10px; gap: 7px; }
    .scene-tab span { font-size: 7px; }
    .stage-caption { font-size: 6px; letter-spacing: .09em; margin-top: 14px; }
    .principles > .container { display: grid; grid-template-columns: 1fr; padding-block: 18px; gap: 9px; font-size: 10px; }
    .principles span:before { font-size: 15px; }
    .section { padding-block: 66px; }
    .section-heading { margin-bottom: 35px; }
    .section-heading h2 { font-size: 31px; }
    .eyebrow { font-size: 9px; margin-bottom: 20px; }
    .workflow { grid-template-columns: 1fr; gap: 0; }
    .workflow article, .workflow article:not(:first-child) { padding: 30px 0 28px 43px; border-left: 0; border-bottom: 1px solid var(--line); }
    .workflow article:before, .workflow article:after { display: none; }
    .workflow .step-number { position: absolute; left: 0; top: 35px; margin: 0; font-size: 11px; }
    .workflow h3 { font-size: 22px; margin-bottom: 10px; }
    .workflow p { font-size: 13px; }
    .feature-band h2 { font-size: 31px; }
    .split { gap: 30px; }
    .split > div > p { font-size: 14px; }
    .product-frame figcaption { font-size: 9px; padding: 11px 13px; }
    .scenario-card { grid-template-columns: 1fr; gap: 23px; }
    .scenario-card h3 { font-size: 24px; }
    .scenario-card p { font-size: 13px; }
    .scenario-grid { gap: 32px; }
    .start-section { padding: 36px 25px; margin-bottom: 66px; }
    .start-section .section-heading h2 { font-size: 29px; }
    .start-section .section-heading p { font-size: 13px; }
    .start-section .actions { gap: 10px; }
    .start-section .button { padding-inline: 13px; font-size: 12px; gap: 13px; }
    .contact-strip { padding-block: 54px; }
    .contact-strip h2 { font-size: 28px; }
    .contact-strip p { font-size: 13px; }
    .footer { padding: 45px 20px 0; }
    .footer-top { grid-template-columns: 1fr; gap: 33px; }
    .footer-top > div:first-child { grid-column: auto; }
    .footer-bottom { display: block; }
    .footer-bottom > * { display: block; margin-bottom: 13px; }
    .page-heading { padding: 53px 0 36px; }
    .page-heading:before { height: 26px; }
    .page-heading h1 { font-size: 39px; }
    .page-heading .lead { font-size: 14px; }
    .feature-row, .feature-row.reverse { padding-block: 45px; gap: 30px; }
    .feature-row h2 { font-size: 30px; }
    .feature-row p { font-size: 14px; }
    .tutorial-grid { grid-template-columns: 1fr; gap: 36px; }
    .tutorial-card h2 { font-size: 25px; }
    .manual-banner h2 { font-size: 28px; }
    .note-panel { padding: 26px; margin-bottom: 60px; }
    .note-panel h2 { font-size: 28px; }
    .tutorial-steps li { font-size: 14px; padding-left: 36px; }
    .download-grid { grid-template-columns: 1fr; gap: 20px; padding-top: 20px; }
    .release-bar { padding: 20px; gap: 12px; font-size: 12px; }
    .release-bar .eyebrow { flex-basis: 100%; }
    .release-bar > span:last-child { font-size: 11px; }
    .download-card { padding: 28px; }
    .download-card h2 { font-size: 32px; }
    .download-card > p { font-size: 12px; }
    .download-card > .button { font-size: 14px; }
    .faq-list { padding-bottom: 65px; }
    .faq-list summary { font-size: 18px; }
    .faq-list p { font-size: 14px; }
    .request-form { padding: 25px 21px; }
    .field-row { grid-template-columns: 1fr; gap: 0; }
    .field-row .field { margin: 12px 0; }
    .field-row + .field { margin-top: 19px; }
    .request-form h2 { font-size: 26px; }
    .request-form .actions { align-items: stretch; flex-direction: column; }
    .request-form .button { font-size: 13px; }
    .contact-layout { padding-bottom: 65px; }
    .contact-card { padding-top: 27px; }
    .contact-card p { font-size: 13px; }
    .caption { font-size: 10px; }
}
@media (prefers-reduced-motion: reduce) {
    :root { scroll-behavior: auto; }
    *, *:before, *:after { transition: none !important; animation: none !important; }
    .hero-visual { transform: none !important; }
}

/* Full-width native FluxLine scene. The canvas is independent of page layout. */
.world-hero { min-height: 800px; height: calc(100svh - 88px); max-height: 1100px; background: #08101c; }
.world-hero:after { display: none; }
.world-hero .hero { display: block; min-height: 0; padding-block: 65px 0; position: relative; z-index: 4; text-align: center; pointer-events: none; }
.world-hero .hero-copy { max-width: 1150px; margin-inline: auto; }
.world-hero .hero-copy .eyebrow { justify-content: center; margin-bottom: 20px; font-size: 9px; }
.world-hero h1 { font-size: clamp(48px, 5.2vw, 76px); margin-bottom: 20px; line-height: 1.22; }
.world-hero h1 br { display: none; }
.world-hero h1 em { margin-left: .14em; }
.world-hero .hero-copy .lead { max-width: 680px; margin: 0 auto 25px; font-size: 14px; line-height: 1.9; }
.world-hero .actions { justify-content: center; pointer-events: auto; }
.world-hero .release-hint { justify-content: center; margin-top: 18px; font-size: 9px; }
.hero-world { position: absolute; inset: 0; z-index: 0; overflow: hidden; background: radial-gradient(ellipse at 50% 70%, #10243a, #08101c 75%); }
.world-canvas, .world-poster { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.world-poster { object-fit: cover; object-position: center; transition: opacity .7s; }
.world-canvas { opacity: 0; pointer-events: none; transition: opacity .7s; }
.hero-world[data-state=ready] .world-poster { opacity: 0; }
.hero-world[data-state=ready] .world-canvas { opacity: 1; }
.world-shade { position: absolute; inset: 0; z-index: 1; pointer-events: none; background: linear-gradient(180deg, #08101cf2 0%, #08101cb0 28%, #08101c00 51%, #08101c00 77%, #08101cf2 100%); }
.world-bottom { position: absolute; z-index: 5; bottom: 32px; left: 50%; transform: translateX(-50%); display: flex; justify-content: space-between; align-items: end; gap: 35px; }
.world-caption { min-width: 0; }
.world-caption .eyebrow { font-size: 8px; margin-bottom: 11px; }
.world-caption p { color: #dce7f3; font-size: 12px; margin-bottom: 7px; line-height: 1.8; }
.world-disclosure { font-size: 9px; line-height: 1.8; color: #98adc2; }
.world-tools { display: flex; flex-direction: column; align-items: end; gap: 11px; flex-shrink: 0; }
.world-tools .scene-switcher { width: 375px; margin-top: 0; background: #0d1624e8; backdrop-filter: blur(12px); }
.world-commands { display: flex; gap: 15px; }
.world-command { border: 0; background: transparent; padding: 5px 0; font-size: 10px; letter-spacing: .04em; color: #bcd0e3; }
.world-command:hover, .world-command[aria-pressed=true] { color: #71d4ed; }
.world-command[aria-pressed=true]:before { content: '× '; }
@media (max-width: 1100px) {
    .world-hero .hero { padding-top: 57px; }
    .world-hero h1 { font-size: 59px; }
    .world-hero .hero-copy .lead { max-width: 640px; }
    .world-tools .scene-switcher { width: 315px; }
    .world-disclosure { font-size: 8px; }
}
@media (max-width: 820px) {
    .world-hero { height: 850px; min-height: 0; max-height: none; }
    .world-hero .hero { padding-top: 52px; }
    .world-hero h1 { font-size: 52px; }
    .world-hero h1 br { display: block; }
    .world-hero h1 em { margin-left: 0; }
    .world-hero .hero-copy .lead { max-width: 540px; margin-bottom: 23px; }
    .hero-world { top: 235px; bottom: 75px; }
    .world-shade { background: linear-gradient(180deg, #08101c 0%, #08101c 21%, #08101c00 46%, #08101c00 75%, #08101c 96%); }
    .world-bottom { bottom: 25px; flex-direction: column; align-items: center; text-align: center; gap: 15px; }
    .world-caption .eyebrow { display: none; }
    .world-caption p { font-size: 11px; margin-bottom: 5px; }
    .world-tools { align-items: center; }
    .world-tools .scene-switcher { width: 360px; max-width: calc(100vw - 40px); }
    .world-caption .world-disclosure { font-size: 8px; }
    .world-commands { min-height: 20px; }
}
@media (max-width: 520px) {
    .world-hero { height: 810px; }
    .world-hero .hero { padding-top: 45px; }
    .world-hero .hero-copy .eyebrow { font-size: 7px; margin-bottom: 20px; }
    .world-hero h1 { font-size: clamp(35px, 10.2vw, 46px); margin-bottom: 18px; line-height: 1.3; }
    .world-hero .hero-copy .lead { font-size: 13px; line-height: 1.9; margin-bottom: 22px; max-width: 340px; }
    .world-hero .release-hint { margin-top: 16px; }
    .hero-world { top: 270px; bottom: 90px; }
    .world-shade { background: linear-gradient(180deg, #08101c 0%, #08101c 29%, #08101c00 45%, #08101c00 72%, #08101c 90%); }
    .world-bottom { bottom: 24px; gap: 15px; }
    .world-tools .scene-tab { min-height: 41px; }
    .world-caption p { font-size: 10px; }
    .world-caption .world-disclosure { font-size: 7px; }
}