:root {
  --bg: #f6f7fb;
  --surface: #ffffff;
  --ink: #101117;
  --muted: #646776;
  --line: rgba(16, 17, 23, 0.1);
  --violet: #675cff;
  --violet-dark: #5044ef;
  --cyan: #24b6e8;
  --night: #08090d;
  --radius: 28px;
  --shadow: 0 24px 80px rgba(31, 29, 67, 0.13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
img { display: block; max-width: 100%; }
.container { width: min(1180px, calc(100% - 48px)); 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: 12px 18px; background: #fff; border-radius: 12px; transition: top .2s; }
.skip-link:focus { top: 16px; }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(246, 247, 251, .82); border-bottom: 1px solid rgba(16,17,23,.06); backdrop-filter: blur(20px); }
.nav { min-height: 76px; display: flex; align-items: center; gap: 34px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 20px; font-weight: 750; letter-spacing: -.5px; }
.brand img { filter: drop-shadow(0 6px 12px rgba(15, 24, 46, .18)); }
.nav-links { display: flex; align-items: center; gap: 30px; margin-left: auto; }
.nav-links a { color: #515461; font-size: 14px; transition: color .2s; }
.nav-links a:hover { color: var(--ink); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.language-button { height: 40px; display: inline-flex; align-items: center; gap: 6px; padding: 0 11px; border: 1px solid var(--line); border-radius: 12px; background: rgba(255,255,255,.7); color: #3d3f49; cursor: pointer; }
.language-icon { font-size: 13px; font-weight: 700; }
.language-label { font-size: 12px; }
.menu-button { display: none; width: 42px; height: 42px; padding: 11px; border: 0; border-radius: 12px; background: transparent; }
.menu-button span:not(.sr-only) { display: block; height: 2px; margin: 4px 0; border-radius: 2px; background: var(--ink); }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 11px; padding: 0 20px; border: 1px solid transparent; border-radius: 14px; font-size: 14px; font-weight: 650; transition: transform .2s, box-shadow .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-small { min-height: 40px; padding: 0 16px; background: var(--ink); color: white; border-radius: 12px; }
.button-primary { min-height: 54px; padding: 0 24px; color: white; background: linear-gradient(135deg, var(--violet), var(--violet-dark)); box-shadow: 0 15px 30px rgba(103,92,255,.25); }
.button-ghost { min-height: 54px; border-color: var(--line); background: rgba(255,255,255,.65); }
.button-ghost svg { width: 19px; fill: currentColor; }

.hero { min-height: 750px; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 50px; padding-block: 78px 86px; overflow: hidden; }
.hero-copy { position: relative; z-index: 2; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; padding: 8px 12px; border: 1px solid rgba(103,92,255,.18); border-radius: 999px; background: rgba(255,255,255,.75); color: #4f5260; font-size: 12px; font-weight: 600; }
.pulse-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--violet); box-shadow: 0 0 0 5px rgba(103,92,255,.11); }
.hero h1 { max-width: 680px; margin: 26px 0 24px; font-size: clamp(58px, 7vw, 94px); line-height: .96; letter-spacing: -.07em; }
.hero h1 span { color: transparent; background: linear-gradient(100deg, var(--violet) 10%, var(--cyan)); background-clip: text; -webkit-background-clip: text; }
.hero-lede { max-width: 600px; margin: 0; color: var(--muted); font-size: 18px; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-note { margin: 18px 0 0; color: #848795; font-size: 12px; }

.hero-visual { position: relative; min-height: 590px; display: grid; place-items: center; }
.orb { position: absolute; border-radius: 50%; filter: blur(1px); }
.orb-one { width: 420px; height: 420px; background: radial-gradient(circle at 30% 30%, rgba(103,92,255,.32), rgba(103,92,255,.06) 60%, transparent 72%); }
.orb-two { right: -40px; bottom: 10px; width: 280px; height: 280px; background: radial-gradient(circle, rgba(36,182,232,.24), transparent 68%); }
.phone { position: relative; z-index: 2; width: 284px; height: 580px; padding: 9px; border: 2px solid #262833; border-radius: 49px; background: #111219; box-shadow: 0 55px 90px rgba(30,31,48,.27), inset 0 0 0 1px rgba(255,255,255,.15); transform: rotate(4deg); }
.phone-island { position: absolute; z-index: 5; top: 18px; left: 50%; width: 82px; height: 24px; border-radius: 99px; background: #08090d; transform: translateX(-50%); }
.phone-screen { position: relative; height: 100%; overflow: hidden; padding: 52px 16px 18px; border-radius: 39px; background: linear-gradient(160deg, #f8f9ff, #edf0f8); }
.app-header { display: flex; align-items: center; gap: 9px; }
.app-avatar { width: 28px; height: 28px; }
.app-avatar img { border-radius: 8px; }
.app-title { font-weight: 750; }
.more { margin-left: auto; color: #7f8290; letter-spacing: 2px; }
.status-card { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px; margin: 20px 0; padding: 14px; border: 1px solid rgba(103,92,255,.1); border-radius: 18px; background: white; box-shadow: 0 12px 24px rgba(56,52,92,.08); }
.status-ring { width: 48px; height: 48px; display: grid; place-content: center; text-align: center; border: 4px solid #6b61f6; border-right-color: #dcd9ff; border-radius: 50%; }
.status-ring strong { font-size: 16px; line-height: 1; }.status-ring small { font-size: 7px; color: #858896; }
.status-card > span:nth-child(2) { display: flex; flex-direction: column; gap: 3px; }
.status-card small { color: #888b98; font-size: 9px; }.status-card strong { font-size: 12px; }.check, .mini-check { display: grid; place-content: center; border-radius: 50%; background: #e7e5ff; color: var(--violet); }
.check { width: 25px; height: 25px; }
.screen-heading { display: flex; justify-content: space-between; margin: 18px 2px 10px; font-size: 12px; font-weight: 700; }.screen-heading span:last-child { color: #989aa5; }
.app-row { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 10px; margin: 8px 0; padding: 11px; border-radius: 16px; background: rgba(255,255,255,.8); }
.demo-icon { width: 38px; height: 38px; display: grid; place-content: center; border-radius: 11px; color: white; font-weight: 800; }.demo-icon.violet { background: linear-gradient(135deg, #8f87ff, #5549e8); }.demo-icon.cyan { background: linear-gradient(135deg, #67d6f1, #248dc8); }
.app-row > span:nth-child(2) { display: flex; flex-direction: column; gap: 3px; }.app-row strong { font-size: 11px; }.app-row small { font-size: 8px; color: #8c8e99; }.refresh-icon { color: var(--violet); font-size: 18px; }
.mock-button { width: 100%; margin-top: 14px; padding: 12px; border: 0; border-radius: 13px; color: white; background: linear-gradient(135deg, var(--violet), #8b64ff); font-size: 11px; font-weight: 700; }
.mock-button span:first-child { margin-right: 7px; }
.tab-bar { position: absolute; inset: auto 0 0; display: flex; justify-content: space-around; padding: 13px 35px 18px; border-top: 1px solid #e6e7ee; background: rgba(255,255,255,.91); color: #aaaeba; }.tab-bar .active { color: var(--violet); }
.floating-card { position: absolute; z-index: 3; min-width: 190px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 10px; padding: 12px 14px; border: 1px solid rgba(255,255,255,.6); border-radius: 17px; background: rgba(255,255,255,.82); box-shadow: 0 20px 40px rgba(31,29,67,.14); backdrop-filter: blur(18px); }
.floating-card small, .floating-card strong { display: block; }.floating-card small { color: #838693; font-size: 9px; }.floating-card strong { margin-top: 3px; font-size: 11px; }.floating-icon { width: 34px; height: 34px; display: grid; place-content: center; border-radius: 11px; background: #e8f8fd; color: #1592bd; }.floating-icon.gradient { background: linear-gradient(135deg,#eceaff,#e3f8fd); color: var(--violet); }.mini-check { width: 20px; height: 20px; font-size: 10px; }
.floating-top { top: 107px; left: -4px; animation: float 5s ease-in-out infinite; }.floating-bottom { right: -20px; bottom: 115px; animation: float 5s ease-in-out -2.5s infinite; }
@keyframes float { 50% { transform: translateY(-10px); } }

.trust-strip { border-block: 1px solid var(--line); background: rgba(255,255,255,.62); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-grid div { display: flex; flex-direction: column; gap: 4px; padding: 28px 30px; border-right: 1px solid var(--line); }.trust-grid div:first-child { padding-left: 0; }.trust-grid div:last-child { border: 0; }
.trust-grid strong { font-size: 18px; letter-spacing: -.03em; }.trust-grid span { color: #858895; font-size: 11px; }

.section { padding-block: 120px; }
.section-heading { max-width: 650px; margin-bottom: 54px; }
.section-heading h2 { margin: 10px 0 16px; font-size: clamp(40px,5vw,64px); line-height: 1.04; letter-spacing: -.055em; }.section-heading > p:last-child { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.8; }
.section-kicker { margin: 0; color: var(--violet); font-size: 12px; font-weight: 750; letter-spacing: .15em; text-transform: uppercase; }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.feature-card { position: relative; min-height: 390px; overflow: hidden; padding: 34px; border: 1px solid rgba(16,17,23,.07); border-radius: var(--radius); background: rgba(255,255,255,.87); box-shadow: 0 12px 50px rgba(31,29,67,.05); }
.feature-card h3 { max-width: 450px; margin: 20px 0 12px; font-size: 26px; letter-spacing: -.04em; }.feature-card p { max-width: 500px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.feature-number { color: #9b9da8; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; }
.feature-large { grid-column: span 2; min-height: 500px; display: grid; grid-template-columns: .8fr 1.2fr; align-items: center; background: linear-gradient(140deg,#11121a,#1c1c2a); color: white; }.feature-large p { color: #aaaeba; }.feature-large .feature-number { color: #6f7180; }
.network-visual { position: relative; height: 360px; }.network-visual svg { position: absolute; width: 100%; height: 100%; }.network-visual path, .network-visual circle { fill: none; stroke: rgba(146,136,255,.22); stroke-width: 1.5; stroke-dasharray: 4 7; }
.network-node { position: absolute; z-index: 2; display: grid; place-content: center; border: 1px solid rgba(255,255,255,.14); border-radius: 20px; background: rgba(255,255,255,.07); color: white; box-shadow: 0 16px 50px rgba(0,0,0,.2); backdrop-filter: blur(10px); }.network-node.center { width: 104px; height: 104px; left: calc(50% - 52px); top: calc(50% - 52px); padding: 19px; border-radius: 27px; background: rgba(103,92,255,.18); }.network-node.center img { border-radius: 20px; }.network-node.n1,.network-node.n2,.network-node.n3 { width: 64px; height: 64px; font-size: 14px; }.network-node.n1 { left: 3%; top: 14%; }.network-node.n2 { right: 3%; top: 14%; color: #73e3ae; }.network-node.n3 { right: 7%; bottom: 8%; color: #8f87ff; font-size: 23px; }
.icon-tile { width: 76px; height: 76px; display: grid; place-content: center; margin-top: 48px; border-radius: 23px; color: #177c9f; background: linear-gradient(135deg,#dcf7fd,#f3fcff); font-size: 32px; box-shadow: inset 0 0 0 1px rgba(36,182,232,.13); }
.refresh-demo { height: 145px; display: flex; align-items: center; justify-content: center; margin-top: 22px; }.refresh-demo span { width: 98px; height: 98px; display: grid; place-content: center; border: 8px solid #e6e5ff; border-top-color: var(--violet); border-radius: 50%; color: var(--violet); font-size: 35px; font-weight: 750; }.refresh-demo i { width: 80px; height: 1px; background: linear-gradient(90deg,var(--violet),var(--cyan)); }.refresh-demo b { width: 58px; height: 58px; display: grid; place-content: center; border-radius: 18px; color: white; background: linear-gradient(135deg,var(--violet),var(--cyan)); font-size: 25px; box-shadow: 0 14px 30px rgba(103,92,255,.25); }
.feature-wide { grid-column: span 2; min-height: 390px; display: grid; grid-template-columns: .8fr 1.2fr; align-items: center; gap: 40px; }.text-link { display: inline-flex; gap: 7px; margin-top: 22px; color: var(--violet); font-size: 13px; font-weight: 700; }
.code-window { overflow: hidden; border: 1px solid #2b2d39; border-radius: 18px; color: #f6f5ff; background: #111219; box-shadow: 0 25px 60px rgba(18,18,31,.22); }.code-toolbar { display: flex; align-items: center; gap: 7px; padding: 13px; border-bottom: 1px solid #2b2d39; }.code-toolbar i { width: 8px; height: 8px; border-radius: 50%; background: #ff6a68; }.code-toolbar i:nth-child(2){background:#ffc25b}.code-toolbar i:nth-child(3){background:#61d986}.code-toolbar span { margin-left: auto; color: #787b89; font: 9px ui-monospace,monospace; }.code-window pre { margin: 0; padding: 34px; font: 13px/2 ui-monospace,SFMono-Regular,Menlo,monospace; }.code-window .purple { color: #aa8cff; }.code-window .blue { color: #6bd6f3; }.code-window .muted { color: #6f7280; }

.steps-section { color: white; background: var(--night); }.section-heading.light .section-kicker { color: #9188ff; }.section-heading.light > p:last-child { color: #9194a1; }
.steps-grid { display: grid; grid-template-columns: repeat(3,1fr); border-block: 1px solid #24252d; }
.step { min-height: 320px; padding: 34px 38px 42px; border-right: 1px solid #24252d; }.step:last-child { border: 0; }.step > span { color: #60626d; font: 11px ui-monospace,monospace; }.step-icon { width: 58px; height: 58px; display: grid; place-content: center; margin: 45px 0 30px; border: 1px solid #32343e; border-radius: 18px; color: #9c94ff; background: #171820; font-size: 22px; }.step h3 { margin: 0 0 12px; font-size: 21px; }.step p { margin: 0; color: #8f929e; font-size: 13px; line-height: 1.8; }.steps-footnote { margin: 26px 0 0; color: #6f727e; font-size: 11px; }

.download-panel { position: relative; min-height: 540px; display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: 60px; overflow: hidden; padding: 70px; border-radius: 36px; color: white; background: linear-gradient(130deg,#5b4ff5,#6f5fff 48%,#28aeda); box-shadow: 0 35px 90px rgba(79,68,239,.27); }.download-glow { position: absolute; width: 400px; height: 400px; right: 5%; top: -45%; border-radius: 50%; background: rgba(255,255,255,.16); filter: blur(1px); }.download-copy { position: relative; z-index: 2; }.download-copy .section-kicker { color: rgba(255,255,255,.7); }.download-copy h2 { margin: 14px 0 18px; font-size: clamp(42px,5vw,65px); line-height: 1.03; letter-spacing: -.055em; }.download-copy p:not(.section-kicker) { color: rgba(255,255,255,.75); line-height: 1.7; }.button-light { color: var(--violet-dark); background: white; box-shadow: 0 15px 30px rgba(29,27,78,.17); }.button-dark-ghost { border-color: rgba(255,255,255,.26); color: white; background: rgba(255,255,255,.08); }
.desktop-window { position: relative; z-index: 2; width: 560px; overflow: hidden; border: 1px solid rgba(255,255,255,.3); border-radius: 22px; color: #171820; background: rgba(252,252,255,.96); box-shadow: 0 40px 80px rgba(28,24,101,.3); transform: rotate(2deg); }.desktop-bar { display: flex; align-items: center; gap: 6px; height: 38px; padding: 0 13px; border-bottom: 1px solid #dedfe6; background: #f3f4f7; }.desktop-bar > span { width: 9px; height: 9px; border-radius: 50%; background: #ff6764; }.desktop-bar > span:nth-child(2){background:#ffbf4f}.desktop-bar > span:nth-child(3){background:#58cc6c}.desktop-bar small { margin-left: auto; color: #8c8e99; font-size: 8px; }.desktop-body { min-height: 295px; display: grid; grid-template-columns: 120px 1fr; }.desktop-body aside { padding: 24px; background: #f1f2f6; }.desktop-body aside img { width: 38px; border-radius: 10px; }.desktop-body aside i { display: block; width: 60px; height: 7px; margin-top: 25px; border-radius: 99px; background: #d9dae2; }.desktop-body > div { padding: 40px 32px; }.desktop-body > div > small { color: #9a9ca8; font-size: 8px; }.desktop-body h4 { margin: 6px 0 25px; font-size: 23px; }.device-row { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px; padding: 15px; border: 1px solid #e1e2e8; border-radius: 14px; }.device-row b { width: 34px; height: 34px; display: grid; place-content: center; border-radius: 10px; color: var(--violet); background: #eceaff; }.device-row span { display: flex; flex-direction: column; }.device-row strong { font-size: 10px; }.device-row small { color: #989aa5; font-size: 8px; }.device-row em { padding: 5px 8px; border-radius: 7px; color: var(--violet); background: #eeecff; font-size: 7px; font-style: normal; }.desktop-body button { width: 100%; margin-top: 16px; padding: 11px; border: 0; border-radius: 10px; color: white; background: var(--violet); font-size: 9px; }

.faq-section { display: grid; grid-template-columns: .75fr 1.25fr; gap: 80px; }.faq-list { border-top: 1px solid var(--line); }.faq-list details { border-bottom: 1px solid var(--line); }.faq-list summary { position: relative; padding: 25px 45px 25px 0; cursor: pointer; list-style: none; font-size: 17px; font-weight: 650; }.faq-list summary::-webkit-details-marker { display: none; }.faq-list summary::after { content: "+"; position: absolute; right: 5px; top: 21px; color: var(--violet); font-size: 25px; font-weight: 300; transition: transform .2s; }.faq-list details[open] summary::after { transform: rotate(45deg); }.faq-list details p { margin: -5px 45px 25px 0; color: var(--muted); font-size: 14px; line-height: 1.8; }

.site-footer { padding: 70px 0 24px; color: white; background: var(--night); }.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 70px; padding-bottom: 65px; }.footer-brand p { max-width: 330px; margin: 18px 0 0; color: #777a87; font-size: 14px; }.footer-grid > div:not(.footer-brand) { display: flex; flex-direction: column; gap: 14px; }.footer-grid strong { margin-bottom: 6px; color: #6f727d; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }.footer-grid > div:not(.footer-brand) a { color: #b7b9c1; font-size: 13px; }.footer-grid a:hover { color: white; }.footer-bottom { display: flex; justify-content: space-between; gap: 30px; padding-top: 22px; border-top: 1px solid #22232b; color: #666974; font-size: 10px; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .nav-links { display: none; position: absolute; inset: 76px 24px auto; flex-direction: column; align-items: stretch; gap: 0; padding: 12px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.97); box-shadow: var(--shadow); }.nav-links.is-open { display: flex; }.nav-links a { padding: 13px; }
  .menu-button { display: block; margin-left: auto; }.nav-actions { margin-left: 0; }.nav-actions .button { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 60px; text-align: center; }.hero-copy { display: flex; flex-direction: column; align-items: center; }.hero-visual { margin-top: 15px; }.hero h1 { font-size: clamp(58px,12vw,90px); }
  .feature-large, .feature-wide, .download-panel, .faq-section { grid-template-columns: 1fr; }.network-visual { margin-top: 20px; }.download-panel { padding: 60px 48px; }.desktop-window { width: min(100%,560px); justify-self: center; }.faq-section { gap: 20px; }.faq-section .section-heading { margin-bottom: 20px; }
}

@media (max-width: 680px) {
  .container { width: min(100% - 32px, 1180px); }.nav { min-height: 68px; gap: 8px; }.nav-links { inset: 68px 16px auto; }.language-button { padding-inline: 9px; }.hero { min-height: 0; padding-block: 50px 65px; }.hero h1 { margin-top: 22px; font-size: 52px; }.hero-lede { font-size: 16px; }.hero-actions { width: 100%; flex-direction: column; }.hero-actions .button { width: 100%; }.hero-visual { min-height: 510px; transform: scale(.85); margin: -20px -40px -45px; }.floating-top { left: -20px; }.floating-bottom { right: -25px; }
  .trust-grid { grid-template-columns: repeat(2,1fr); }.trust-grid div { padding: 22px 16px; border-bottom: 1px solid var(--line); }.trust-grid div:first-child { padding-left: 16px; }.trust-grid div:nth-child(2) { border-right: 0; }.trust-grid div:nth-child(3), .trust-grid div:nth-child(4) { border-bottom: 0; }
  .section { padding-block: 80px; }.section-heading { margin-bottom: 36px; }.section-heading h2 { font-size: 42px; }.feature-grid { grid-template-columns: 1fr; }.feature-card, .feature-large, .feature-wide { grid-column: auto; min-height: 360px; padding: 26px; }.feature-large { min-height: 680px; }.network-visual { height: 310px; }.feature-card h3 { font-size: 23px; }.feature-wide { gap: 30px; }.code-window pre { padding: 25px 20px; font-size: 10px; }
  .steps-grid { grid-template-columns: 1fr; }.step { min-height: 0; border-right: 0; border-bottom: 1px solid #24252d; }.download-panel { min-height: 0; padding: 42px 26px; border-radius: 28px; }.download-copy h2 { font-size: 42px; }.desktop-window { width: 560px; transform: scale(.62) rotate(2deg); transform-origin: left top; margin-right: -214px; margin-bottom: -120px; }.footer-grid { grid-template-columns: 1fr 1fr; gap: 45px 30px; }.footer-brand { grid-column: span 2; }.footer-bottom { flex-direction: column; gap: 5px; }
}

@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; }
}
