:root {
  --ink: #14231f;
  --muted: #63726d;
  --line: #dce8e3;
  --paper: #ffffff;
  --wash: #f5fbf8;
  --mint: #22b982;
  --mint-dark: #138561;
  --blue: #3187f5;
  --violet: #8d6af7;
  --cyan: #20b9cd;
  --lime: #9bc849;
  --shadow: 0 24px 70px rgba(46, 97, 79, 0.13);
  --radius: 24px;
  --shell: min(1320px, calc(100vw - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
svg { fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }
.shell { width: var(--shell); margin-inline: auto; }
.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; left: 16px; top: -80px; z-index: 100; padding: 10px 16px; background: var(--ink); color: white; border-radius: 10px; }
.skip-link:focus { top: 16px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background-color .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.site-header.scrolled { background: rgba(255, 255, 255, .88); border-color: rgba(211, 228, 220, .9); box-shadow: 0 8px 30px rgba(31, 72, 58, .06); backdrop-filter: blur(18px); }
.nav { height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 19px; font-weight: 760; letter-spacing: -.03em; }
.brand img { border-radius: 10px; box-shadow: 0 4px 12px rgba(86, 52, 32, .12); }
.nav-links { display: flex; align-items: center; gap: 34px; color: #44544f; font-size: 14px; font-weight: 560; }
.nav-links > a:not(.nav-cta) { position: relative; }
.nav-links > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -7px; height: 2px; background: var(--mint); transition: right .18s ease; }
.nav-links > a:not(.nav-cta):hover::after { right: 0; }
.nav-cta { padding: 10px 18px; border: 1px solid rgba(24, 129, 94, .24); background: rgba(255, 255, 255, .65); border-radius: 999px; color: var(--mint-dark); }
.menu-button { display: none; width: 42px; height: 42px; padding: 10px; border: 0; background: transparent; }
.menu-button > span:not(.sr-only) { display: block; width: 22px; height: 2px; margin: 5px 0; background: var(--ink); border-radius: 2px; }

.hero { position: relative; overflow: hidden; padding: 154px 0 0; background: linear-gradient(180deg, #f7fcff 0%, #f9fdfa 58%, #fff 100%); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .4; pointer-events: none; background-image: linear-gradient(rgba(49, 135, 245, .055) 1px, transparent 1px), linear-gradient(90deg, rgba(49, 135, 245, .055) 1px, transparent 1px); background-size: 52px 52px; mask-image: linear-gradient(to bottom, black, transparent 75%); }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.hero-orb-one { width: 520px; height: 520px; right: -180px; top: -180px; background: radial-gradient(circle, rgba(86, 171, 255, .19), rgba(86, 171, 255, 0) 70%); }
.hero-orb-two { width: 440px; height: 440px; left: -210px; top: 180px; background: radial-gradient(circle, rgba(60, 219, 160, .17), rgba(60, 219, 160, 0) 70%); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.04fr .96fr; align-items: center; gap: 64px; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 24px; padding: 8px 12px; border: 1px solid rgba(34, 185, 130, .18); border-radius: 999px; background: rgba(255, 255, 255, .72); color: #39715f; font-size: 13px; font-weight: 650; box-shadow: 0 8px 25px rgba(56, 126, 101, .06); }
.eyebrow span { width: 7px; height: 7px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 4px rgba(34, 185, 130, .12); }
.hero h1 { margin: 0; font-size: clamp(46px, 4.4vw, 68px); line-height: 1.08; letter-spacing: -.062em; font-weight: 790; }
.hero h1 em { font-style: normal; color: transparent; background: linear-gradient(100deg, #15996c, #278fe3 60%, #7667e7); background-clip: text; -webkit-background-clip: text; }
.hero-lead { max-width: 580px; margin: 28px 0 0; color: var(--muted); font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 50px; padding: 0 23px; border-radius: 13px; font-size: 15px; font-weight: 700; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.button:hover { transform: translateY(-2px); }
.button svg { width: 18px; height: 18px; }
.button-primary { color: #fff; background: linear-gradient(135deg, #18a874, #218fca); box-shadow: 0 12px 28px rgba(25, 157, 113, .24); }
.button-primary svg { fill: currentColor; stroke: none; }
.button-primary:hover { box-shadow: 0 16px 32px rgba(25, 157, 113, .3); }
.button-secondary { color: #38504a; background: rgba(255, 255, 255, .75); border: 1px solid #d7e7df; }
.hero-proof { display: flex; align-items: center; gap: 20px; margin-top: 40px; }
.hero-proof div { display: flex; flex-direction: column; gap: 4px; }
.hero-proof strong { font-size: 16px; font-weight: 760; }
.hero-proof span { color: #7a8984; font-size: 11px; white-space: nowrap; }
.hero-proof i { width: 1px; height: 31px; background: #dbe7e2; }

.demo-stage { position: relative; min-width: 0; }
.demo-glow { position: absolute; inset: 12% 8% 0; border-radius: 50%; background: linear-gradient(135deg, rgba(24, 196, 139, .34), rgba(47, 131, 245, .28)); filter: blur(52px); }
.window { position: relative; overflow: hidden; border: 1px solid rgba(182, 209, 198, .9); border-radius: 20px; background: rgba(255, 255, 255, .91); box-shadow: 0 28px 80px rgba(49, 93, 77, .19), 0 2px 4px rgba(54, 86, 75, .08); }
.window-bar { position: relative; height: 47px; display: flex; align-items: center; justify-content: space-between; padding: 0 16px; border-bottom: 1px solid #e4ece8; background: rgba(250, 252, 251, .94); }
.window-dots { display: flex; gap: 6px; }
.window-dots span { width: 9px; height: 9px; border-radius: 50%; background: #ff6c64; }
.window-dots span:nth-child(2) { background: #f5c451; }
.window-dots span:nth-child(3) { background: #55c969; }
.window-title { position: absolute; left: 50%; transform: translateX(-50%); display: flex; align-items: center; gap: 7px; color: #52605c; font-size: 11px; font-weight: 650; }
.window-title img { border-radius: 5px; }
.window-status { display: flex; align-items: center; gap: 6px; color: #789089; font-size: 10px; }
.window-status i { width: 6px; height: 6px; border-radius: 50%; background: #28b981; }
.video-wrap { position: relative; aspect-ratio: 2556 / 1358; background: #e9f4ef; }
.video-wrap video { width: 100%; height: 100%; display: block; object-fit: cover; }
.video-play { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; border: 0; color: white; cursor: pointer; background: linear-gradient(to top, rgba(9, 24, 21, .26), rgba(9, 24, 21, .03)); transition: opacity .18s ease; }
.video-play span { width: 58px; height: 58px; display: grid; place-items: center; margin-bottom: 4px; border: 1px solid rgba(255, 255, 255, .72); border-radius: 50%; color: var(--mint-dark); background: rgba(255, 255, 255, .93); box-shadow: 0 12px 35px rgba(24, 60, 49, .2); }
.video-play svg { width: 26px; height: 26px; fill: currentColor; stroke: none; margin-left: 3px; }
.video-play b { font-size: 14px; text-shadow: 0 1px 8px rgba(0, 0, 0, .35); }
.video-play small { opacity: .88; font-size: 11px; text-shadow: 0 1px 8px rgba(0, 0, 0, .4); }
.video-play.hidden { opacity: 0; pointer-events: none; }
.trust-row { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 30px; margin-top: 104px; padding: 26px 0; border-top: 1px solid rgba(199, 219, 211, .8); color: #758680; font-size: 12px; }
.trust-row > div { display: flex; align-items: center; gap: 13px; }
.trust-row b { color: #526660; font-size: 12px; }
.trust-row i { width: 25px; height: 1px; background: #bcd2c9; }

.section { padding: 112px 0; }
.section-heading { max-width: 700px; }
.section-heading.centered { max-width: 860px; margin-inline: auto; text-align: center; }
.section-kicker { display: inline-block; margin-bottom: 16px; color: var(--mint-dark); font-size: 11px; font-weight: 800; letter-spacing: .18em; }
.section-heading h2, .download-copy h2 { margin: 0; font-size: clamp(34px, 3.5vw, 50px); line-height: 1.16; letter-spacing: -.045em; }
.section-heading p { margin: 20px 0 0; color: var(--muted); font-size: 15px; line-height: 1.85; }
.workflow-section { background: white; }
.workflow-track { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; margin-top: 72px; }
.workflow-line { position: absolute; top: 38px; left: 9%; right: 9%; border-top: 1px dashed #bcd7cc; }
.workflow-step { position: relative; padding: 0 7px; text-align: center; }
.step-index { position: absolute; top: -11px; left: calc(50% + 30px); color: #b7c7c1; font-size: 10px; font-weight: 800; letter-spacing: .08em; }
.step-icon { position: relative; z-index: 1; width: 76px; height: 76px; display: grid; place-items: center; margin: 0 auto 22px; border: 7px solid white; border-radius: 22px; box-shadow: 0 10px 28px rgba(52, 96, 81, .1); }
.step-icon svg { width: 26px; height: 26px; }
.step-icon.mint { color: #169a6c; background: #ddf8ed; }
.step-icon.blue { color: #297be3; background: #e4f0ff; }
.step-icon.violet { color: #7657df; background: #eee9ff; }
.step-icon.cyan { color: #1599ad; background: #dff7f9; }
.step-icon.lime { color: #719b26; background: #edf7d9; }
.workflow-step h3 { margin: 0 0 10px; font-size: 16px; }
.workflow-step p { margin: 0; color: #75847f; font-size: 12px; line-height: 1.75; }

.features-section { background: var(--wash); }
.split-heading { max-width: none; display: grid; grid-template-columns: 1fr 440px; align-items: end; gap: 70px; }
.split-heading p { margin: 0 0 4px; }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 55px; }
.feature-card { position: relative; overflow: hidden; min-height: 340px; padding: 34px; border: 1px solid #dcebe4; border-radius: var(--radius); background: rgba(255, 255, 255, .9); box-shadow: 0 8px 30px rgba(49, 93, 76, .05); }
.feature-large { grid-column: 1 / -1; min-height: 390px; display: grid; grid-template-columns: .82fr 1.18fr; gap: 60px; align-items: center; }
.feature-number { display: block; margin-bottom: 24px; color: #92a49e; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; }
.feature-card h3 { margin: 0 0 13px; font-size: 25px; letter-spacing: -.03em; }
.feature-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.feature-card ul { display: flex; flex-wrap: wrap; gap: 9px; margin: 25px 0 0; padding: 0; list-style: none; }
.feature-card li, .artifact-pills span { padding: 7px 11px; border-radius: 999px; color: #3b6b5d; background: #eaf7f1; font-size: 11px; font-weight: 650; }
.progress-visual { padding: 24px; border: 1px solid #dfeae5; border-radius: 18px; background: white; box-shadow: 0 22px 50px rgba(38, 92, 73, .11); transform: rotate(1deg); }
.progress-head, .progress-value { display: flex; align-items: center; justify-content: space-between; }
.progress-head span { font-size: 12px; font-weight: 700; }
.progress-head b { padding: 5px 8px; color: #168760; background: #e0f7ed; border-radius: 999px; font-size: 9px; }
.progress-value { margin-top: 20px; }
.progress-value strong { color: var(--mint-dark); font-size: 35px; letter-spacing: -.05em; }
.progress-value span { color: #88938f; font-size: 10px; }
.progress-bar { height: 7px; margin: 13px 0 21px; overflow: hidden; border-radius: 999px; background: #e7efeb; }
.progress-bar i { display: block; width: 71%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--mint), #43c4c9); }
.progress-list { display: grid; grid-template-columns: 23px 1fr auto; align-items: center; gap: 10px 9px; font-size: 10px; }
.progress-list > span { width: 21px; height: 21px; display: grid; place-items: center; border: 1px solid #dbe7e1; border-radius: 50%; color: #8d9995; }
.progress-list > span.done { color: #fff; border-color: var(--mint); background: var(--mint); }
.progress-list > span.active { color: var(--mint-dark); border-color: #9edbc5; background: #e9f8f2; }
.progress-list p { margin: 0; color: #334841; font-size: 10px; line-height: 1; }
.progress-list b { color: #96a09d; font-size: 9px; font-weight: 600; }
.feature-symbol { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 26px; border-radius: 14px; color: #2884e4; background: #e6f1ff; }
.feature-symbol svg { width: 24px; height: 24px; }
.feature-card:nth-child(3) .feature-symbol { color: #7657df; background: #eee9ff; }
.mini-gallery { position: absolute; left: 34px; right: 34px; bottom: 28px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; height: 88px; }
.mini-gallery span { border-radius: 11px; background: linear-gradient(155deg, #d3e6fa 10%, #f4d9a8 48%, #3e7b6e 100%); }
.mini-gallery span:nth-child(2) { background: linear-gradient(155deg, #2e4e79, #a5c8df 48%, #f2cf8e); }
.mini-gallery span:nth-child(3) { background: linear-gradient(155deg, #e5d8b8, #b7d7c4 52%, #527f91); }
.mini-gallery span:nth-child(4) { background: linear-gradient(155deg, #a0c6e4, #5b6988 52%, #efd6a0); }
.artifact-pills { position: absolute; left: 34px; right: 34px; bottom: 32px; display: flex; flex-wrap: wrap; gap: 8px; }
.artifact-pills span { color: #6857a2; background: #f0edfb; }

.scenarios-section { background: #fff; }
.scenarios-grid { display: grid; grid-template-columns: .8fr 1.2fr; align-items: center; gap: 100px; }
.text-link { display: inline-flex; align-items: center; gap: 9px; margin-top: 30px; color: var(--mint-dark); font-size: 14px; font-weight: 720; }
.text-link span { transition: transform .18s ease; }
.text-link:hover span { transform: translateX(4px); }
.scenario-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.scenario-cards article { min-height: 160px; display: flex; align-items: flex-start; gap: 19px; padding: 26px; border: 1px solid #e0eae6; border-radius: 18px; background: #fff; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.scenario-cards article:hover { transform: translateY(-3px); border-color: #bcded0; box-shadow: 0 18px 40px rgba(37, 89, 70, .09); }
.scenario-cards article > span { color: var(--mint); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; font-weight: 700; }
.scenario-cards h3 { margin: 0 0 10px; font-size: 17px; }
.scenario-cards p { margin: 0; color: #73817d; font-size: 12px; line-height: 1.7; }

.download-section { padding: 0 0 90px; }
.download-card { position: relative; overflow: hidden; min-height: 340px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 70px; padding: 65px 72px; border-radius: 30px; color: white; background: linear-gradient(125deg, #123d35 0%, #176452 48%, #186384 100%); box-shadow: 0 30px 70px rgba(19, 77, 64, .2); }
.download-card::after { content: ""; position: absolute; width: 380px; height: 380px; right: -120px; bottom: -180px; border-radius: 50%; border: 70px solid rgba(90, 226, 183, .1); }
.download-grid { position: absolute; inset: 0; opacity: .1; background-image: linear-gradient(rgba(255, 255, 255, .35) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .35) 1px, transparent 1px); background-size: 46px 46px; mask-image: linear-gradient(90deg, transparent, black); }
.section-kicker.light { color: #7ce0bc; }
.download-copy { position: relative; z-index: 1; max-width: 650px; }
.download-copy p { max-width: 560px; margin: 20px 0 0; color: rgba(239, 255, 249, .68); font-size: 13px; line-height: 1.8; }
.download-actions { position: relative; z-index: 1; display: grid; gap: 11px; min-width: 220px; }
.platform-button { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; min-height: 70px; padding: 15px 19px; border: 1px solid rgba(255, 255, 255, .18); border-radius: 13px; color: rgba(255, 255, 255, .92); background: rgba(255, 255, 255, .09); }
.platform-button:disabled { cursor: not-allowed; }
.platform-button b { font-size: 14px; }
.platform-button span { color: rgba(255, 255, 255, .55); font-size: 10px; }
.footer { padding: 28px 0; border-top: 1px solid #e5ece9; }
.footer-row { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; color: #84908d; font-size: 11px; }
.footer-row > span { justify-self: end; }
.footer .brand { color: var(--ink); font-size: 16px; }
.footer p { margin: 0; }

@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr; gap: 65px; }
  .hero-copy { max-width: 700px; text-align: center; margin-inline: auto; }
  .hero-lead { margin-inline: auto; }
  .hero-actions, .hero-proof { justify-content: center; }
  .demo-stage { width: min(850px, 94%); margin-inline: auto; }
  .trust-row { margin-top: 85px; }
  .workflow-track { grid-template-columns: repeat(3, 1fr); row-gap: 42px; }
  .workflow-line { display: none; }
  .split-heading { grid-template-columns: 1fr; gap: 20px; }
  .split-heading p { max-width: 650px; }
  .scenarios-grid { grid-template-columns: 1fr; gap: 50px; }
  .scenarios-grid .section-heading { max-width: 650px; }
}

@media (max-width: 760px) {
  :root { --shell: min(100% - 32px, 1180px); --radius: 20px; }
  .nav { height: 66px; }
  .nav > .brand { position: relative; z-index: 3; }
  .menu-button { display: block; position: relative; z-index: 3; }
  .nav-links { position: fixed; inset: 0; z-index: 2; display: flex; flex-direction: column; justify-content: center; gap: 30px; opacity: 0; pointer-events: none; color: var(--ink); background: rgba(248, 253, 251, .98); font-size: 20px; transition: opacity .18s ease; }
  .nav-links.open { opacity: 1; pointer-events: auto; }
  .nav-cta { padding: 12px 25px; background: white; }
  .menu-button[aria-expanded="true"] span:nth-of-type(2) { transform: translateY(7px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-of-type(3) { opacity: 0; }
  .menu-button[aria-expanded="true"] span:nth-of-type(4) { transform: translateY(-7px) rotate(-45deg); }
  .menu-button > span:not(.sr-only) { transition: transform .18s ease, opacity .18s ease; }
  .hero { padding-top: 118px; }
  .hero h1 { font-size: clamp(40px, 12.5vw, 57px); }
  .hero h1 br { display: none; }
  .hero-lead { font-size: 15px; }
  .hero-proof { gap: 12px; }
  .hero-proof i { height: 27px; }
  .hero-proof strong { font-size: 14px; }
  .hero-proof span { font-size: 9px; }
  .demo-stage { width: 100%; }
  .window-bar { height: 40px; }
  .window-status { display: none; }
  .video-play span { width: 48px; height: 48px; }
  .video-play b, .video-play small { display: none; }
  .trust-row { flex-direction: column; align-items: flex-start; margin-top: 60px; }
  .trust-row > div { width: 100%; justify-content: space-between; gap: 5px; }
  .trust-row i { flex: 1; max-width: 25px; }
  .section { padding: 82px 0; }
  .section-heading h2, .download-copy h2 { font-size: 35px; }
  .workflow-track { grid-template-columns: 1fr 1fr; gap: 38px 18px; margin-top: 52px; }
  .workflow-step:last-child { grid-column: 1 / -1; max-width: 220px; margin-inline: auto; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-large { grid-column: auto; grid-template-columns: 1fr; gap: 35px; padding: 28px; }
  .feature-card { min-height: 330px; padding: 28px; }
  .mini-gallery, .artifact-pills { left: 28px; right: 28px; }
  .scenario-cards { grid-template-columns: 1fr; }
  .scenario-cards article { min-height: auto; }
  .download-card { grid-template-columns: 1fr; gap: 35px; padding: 48px 28px; border-radius: 24px; }
  .download-actions { min-width: 0; }
  .footer-row { grid-template-columns: 1fr auto; row-gap: 10px; }
  .footer-row p { grid-column: 1 / -1; grid-row: 2; }
}

@media (max-width: 430px) {
  .eyebrow { font-size: 11px; }
  .hero-actions { flex-direction: column; }
  .button { width: 100%; }
  .hero-proof span { white-space: normal; line-height: 1.35; }
  .trust-row > div { flex-wrap: wrap; justify-content: flex-start; }
  .trust-row i { min-width: 15px; }
  .workflow-track { grid-template-columns: 1fr; }
  .workflow-step:last-child { grid-column: auto; }
}

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