@property --beam-angle { syntax: '<angle>'; initial-value: 0deg; inherits: false; }
:root { color-scheme: dark; --bg: #04070a; --surface: #0a1119; --line: #20343f; --text: #f2faff; --muted: #a1b4c0; --cyan: #58ecff; --blue: #2595ff; --font: 'Noto Sans JP', sans-serif; --mono: Consolas, monospace; font-family: var(--font); color: var(--text); background: var(--bg); font-synthesis: none; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; -webkit-font-smoothing: antialiased; }
button, a { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button { font: inherit; color: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; object-fit: cover; }
h1, h2, h3, p { margin: 0; }
::selection { color: var(--bg); background: var(--cyan); }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 6px; }
[hidden] { display: none !important; }
.icon-library { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.container { width: min(1280px, calc(100% - 112px)); margin-inline: auto; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 15px var(--cyan), 0 0 30px #58ecff80; flex-shrink: 0; }
.neon-text { color: var(--cyan); background: linear-gradient(100deg, #a6f8ff, #58ecff 28%, #2396ff 48%, #e0ffff 57%, #58ecff 72%, #a6f8ff); background-size: 230% 100%; background-clip: text; -webkit-text-fill-color: transparent; text-shadow: 0 0 65px #3fcaff39; animation: neon-flow 7s ease-in-out infinite; animation-play-state: var(--motion-state, paused); }
.button { display: inline-flex; position: relative; overflow: hidden; align-items: center; justify-content: center; gap: 28px; min-height: 60px; padding: 0 28px; background: var(--cyan); color: #031019; border: 1px solid #b5f8ff; border-radius: 7px; font-size: 17px; font-weight: 700; box-shadow: 0 0 25px #42dfff45, 0 0 75px #2199ff19, inset 0 1px 0 #fff9; transition: translate 220ms ease-out, box-shadow 220ms ease-out, background 220ms ease-out; }
.button::after { content: ''; position: absolute; top: -70%; bottom: -70%; width: 30%; left: -70%; transform: rotate(24deg); background: linear-gradient(90deg, transparent, #fff9, transparent); transition: left 600ms ease-out; pointer-events: none; }
.button:hover::after { left: 140%; }
.button:hover { background: #aeffff; box-shadow: 0 0 35px #42dfff90, 0 0 110px #2199ff45; }
.button .icon { transition: transform 220ms ease-out; }
.button:hover .icon { transform: translateX(5px); }
.button-small { min-height: 44px; font-size: 14px; padding-inline: 18px; gap: 20px; }
.button { white-space: nowrap; }
.text-button { display: inline-flex; align-items: center; gap: 12px; min-height: 48px; font-size: 16px; transition: color 180ms ease-out; }
.text-button:hover { color: var(--cyan); }
.skip-link { position: fixed; left: 16px; top: -70px; z-index: 100; padding: 12px 18px; background: var(--cyan); color: var(--bg); }
.skip-link:focus { top: 12px; }
.header { position: sticky; top: 0; z-index: 30; height: 84px; background: #04070ad9; border-bottom: 1px solid #56cfff1c; backdrop-filter: blur(20px); }
.nav { height: 100%; display: flex; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 27px; font-weight: 800; letter-spacing: -1.4px; }
.brand img { object-fit: contain; filter: drop-shadow(0 0 9px #58ecff44); }
.brand-dot { color: var(--cyan); }
.nav-links { display: flex; align-items: center; gap: 30px; margin-left: auto; margin-right: 13px; font-size: 14px; color: #b3c2cd; }
.nav-links a { position: relative; padding-block: 13px; transition: color 180ms ease-out; }
.nav-links a::after { content: ''; height: 1px; position: absolute; bottom: 5px; left: 0; right: 0; background: var(--cyan); transform: scaleX(0); transform-origin: left; box-shadow: 0 0 12px var(--cyan); transition: transform 220ms ease-out; }
.nav-links a:hover { color: var(--cyan); }
.nav-links a:hover::after { transform: scaleX(1); }
.motion-toggle { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid #29424f; border-radius: 50%; background: #0b1921; color: #9bb7c8; flex-shrink: 0; }
.motion-toggle:hover { color: var(--cyan); border-color: var(--cyan); }
.motion-toggle .icon { width: 18px; height: 18px; }
.motion-toggle:disabled { opacity: .6; cursor: default; }
.menu-toggle { display: none; }
.scroll-progress { height: 2px; position: fixed; z-index: 40; top: 0; left: 0; width: 100%; transform: scaleX(var(--progress, 0)); transform-origin: left; background: var(--cyan); box-shadow: 0 0 14px var(--cyan); pointer-events: none; }
.cursor-glow { position: fixed; z-index: 5; width: 430px; height: 430px; top: -215px; left: -215px; background: radial-gradient(circle, #36ddff12, transparent 65%); pointer-events: none; opacity: 0; mix-blend-mode: screen; transition: opacity 400ms ease-out; }
.cursor-glow.is-active { opacity: 1; }
.hero { overflow: hidden; position: relative; isolation: isolate; border-bottom: 1px solid #5edfff40; }
.hero-inner { min-height: 744px; display: flex; align-items: center; position: relative; }
.hero-grid { position: absolute; inset: 0; background-image: linear-gradient(#76dfff0b 1px, transparent 1px), linear-gradient(90deg, #76dfff0b 1px, transparent 1px); background-size: 76px 76px; mask-image: radial-gradient(ellipse at 70% 65%, #000, transparent 75%); transform: perspective(500px) rotateX(18deg) scale(1.25); }
.hero-copy { position: relative; z-index: 4; padding: 68px 0 105px; width: 660px; }
.hero-badge { display: inline-flex; align-items: center; gap: 11px; font-size: 14px; color: #b9e7f4; padding: 10px 15px; border: 1px solid #46b9d44d; border-radius: 50px; background: #07233170; box-shadow: inset 0 0 18px #55edff09; margin-bottom: 27px; }
h1 { font-size: clamp(66px, 6.65vw, 100px); font-weight: 750; letter-spacing: -.07em; line-height: 1.08; white-space: nowrap; }
.hero-description { color: #b0c5d1; font-size: 21px; line-height: 1.7; margin-top: 33px; }
.hero-actions { display: flex; align-items: center; gap: 31px; margin-top: 34px; }
.play-ring { display: grid; place-items: center; width: 35px; height: 35px; border: 1px solid #5295a7; border-radius: 50%; box-shadow: 0 0 18px #58ecff20; transition: border-color 180ms ease-out, box-shadow 180ms ease-out; }
.play-ring .icon { width: 15px; height: 15px; fill: var(--cyan); stroke: var(--cyan); }
.text-button:hover .play-ring { border-color: var(--cyan); box-shadow: 0 0 25px #58ecff75; }
.hero-art { position: absolute; z-index: 2; top: 15px; bottom: 20px; left: 45%; width: 65%; transform: translate3d(var(--art-x, 0px), calc(var(--art-y, 0px) + var(--scroll-y, 0px)), 0) rotateX(var(--art-rx, 0deg)) rotateY(var(--art-ry, 0deg)); transition: transform 600ms cubic-bezier(.16,1,.3,1); perspective: 1000px; pointer-events: none; }
.hero-float { width: 100%; height: 100%; animation: levitate 7s ease-in-out infinite; animation-play-state: var(--motion-state, paused); }
.hero-render { position: absolute; width: 1050px; max-width: none; height: 700px; left: -100px; top: 0; filter: brightness(1.18) saturate(1.28); mask-image: linear-gradient(90deg, transparent, #000 13%, #000 87%, transparent), linear-gradient(transparent, #000 13%, #000 86%, transparent); mask-composite: intersect; }
.aurora { position: absolute; width: 900px; height: 550px; border-radius: 50%; pointer-events: none; filter: blur(60px); animation: aurora-drift 11s ease-in-out infinite alternate; animation-play-state: var(--motion-state, paused); }
.aurora-one { top: 60px; right: -150px; background: radial-gradient(ellipse, #0065cf36, #00d5ee17 38%, transparent 67%); }
.aurora-two { bottom: -270px; left: -220px; background: radial-gradient(ellipse, #00cdff25, transparent 67%); animation-delay: -5s; }
.particles { position: absolute; z-index: 1; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hero-orbit { position: absolute; z-index: -1; top: 17%; left: -4%; width: 86%; height: 65%; border: 1px solid #6bedff50; border-radius: 50%; box-shadow: 0 0 18px #00ceff21, inset 0 0 18px #00ceff15; animation: orbit 16s linear infinite; animation-play-state: var(--motion-state, paused); }
.orbit-two { width: 74%; left: 3%; top: 13%; height: 75%; border-color: #308bff66; animation-direction: reverse; animation-duration: 22s; }
.orbit-spark { position: absolute; width: 8px; height: 8px; background: #d0ffff; border-radius: 50%; box-shadow: 0 0 14px 4px #46e4ff, 0 0 50px 12px #198aff7a; animation: spark-float 8s ease-in-out infinite; animation-play-state: var(--motion-state, paused); }
.spark-one { top: 17%; left: 30%; }
.spark-two { bottom: 20%; right: 18%; animation-delay: -4s; }
.hero-laser { position: absolute; z-index: 3; bottom: 0; left: -35%; height: 1px; width: 35%; background: linear-gradient(90deg, transparent, #60f6ff, #fff, transparent); box-shadow: 0 0 16px 3px #27dfff8a; animation: laser-run 5s ease-in-out infinite; animation-play-state: var(--motion-state, paused); }
.scroll-cue { position: absolute; bottom: 27px; left: calc(50% - 22px); display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; border: 1px solid #54dfff55; color: var(--cyan); box-shadow: 0 0 28px #00bdff19; z-index: 4; }
.scroll-cue .icon { rotate: 90deg; animation: nudge 2.7s ease-in-out infinite; animation-play-state: var(--motion-state, paused); }
.marquee { overflow: hidden; padding-block: 26px 31px; border-bottom: 1px solid #3ecfff35; background: #07151e; box-shadow: inset 0 0 65px #065d8729; }
.marquee-track { display: flex; width: max-content; animation: marquee-run 24s linear infinite; animation-play-state: var(--motion-state, paused); }
.marquee-group { display: flex; align-items: center; gap: 44px; padding-right: 44px; }
.marquee span { font-size: clamp(38px, 5vw, 72px); font-weight: 800; line-height: 1.2; letter-spacing: -.04em; color: var(--cyan); text-shadow: 0 0 40px #23beff36; }
.marquee .outline-text { color: transparent; -webkit-text-stroke: 1px #7adef1; text-shadow: none; }
.marquee svg { width: 38px; height: 38px; fill: var(--cyan); filter: drop-shadow(0 0 10px #58ecff88); animation: spin 10s linear infinite; animation-play-state: var(--motion-state, paused); flex-shrink: 0; }
.section { padding-block: 120px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 35px; margin-bottom: 52px; }
h2 { font-size: clamp(40px, 4.5vw, 64px); line-height: 1.16; letter-spacing: -.055em; font-weight: 650; }
.section-description { color: var(--muted); font-size: 21px; line-height: 1.65; padding-bottom: 5px; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; perspective: 1400px; }
.step { position: relative; border: 1px solid #285362; border-radius: 12px; background: #0a1219; overflow: hidden; box-shadow: 0 10px 45px #0004; }
[data-tilt] { transform: perspective(1100px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg)); transition: transform 400ms cubic-bezier(.16,1,.3,1), box-shadow 350ms ease-out, border-color 300ms ease-out; }
[data-tilt]:hover { border-color: #6aefff; box-shadow: 0 0 35px #16c9ff2a, 0 20px 60px #0007; }
.step::before, .memory-feature::before { content: ''; position: absolute; z-index: 3; inset: -1px; border-radius: inherit; padding: 2px; background: conic-gradient(from var(--beam-angle), transparent 15%, #329eff 25%, #abffff 32%, transparent 42%, transparent 70%, #36c7ff 86%, transparent 97%); mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0); mask-composite: exclude; pointer-events: none; animation: border-spin 7s linear infinite; animation-play-state: var(--motion-state, paused); }
.step:nth-child(2)::before { animation-delay: -2.4s; }
.step:nth-child(3)::before { animation-delay: -4.8s; }
.step-image { height: 265px; overflow: hidden; border-bottom: 1px solid #304653; }
.step-image > img { width: 100%; height: 100%; object-fit: cover; transition: transform 550ms ease-out, filter 500ms ease-out; }
.step:hover .step-image > img { transform: scale(1.09); filter: brightness(1.23) saturate(1.3); }
.step-body { padding: 28px 26px 32px; }
.step-number { display: block; color: var(--cyan); font: 14px/1.5 var(--mono); letter-spacing: 1px; margin-bottom: 15px; }
.step h3 { font-size: 25px; letter-spacing: -.04em; line-height: 1.3; font-weight: 600; }
.step p { font-size: 16px; color: var(--muted); line-height: 1.7; margin-top: 14px; }
[data-spotlight] { position: relative; }
[data-spotlight]::after { content: ''; position: absolute; z-index: 3; inset: 0; border-radius: inherit; background: radial-gradient(360px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), #4adfff35, transparent 73%); opacity: 0; pointer-events: none; transition: opacity 250ms ease-out; mix-blend-mode: screen; }
[data-spotlight]:hover::after { opacity: 1; }
.terminal-image { display: grid; place-items: center; padding: 24px; background: radial-gradient(ellipse at 50% 100%, #007bb547, transparent 70%), #071016; }
.terminal-preview { width: 100%; padding: 20px 18px; border: 1px solid #366673; border-radius: 8px; background: #041018; box-shadow: 0 0 35px #12bfff1f; transform: perspective(600px) rotateY(-5deg) rotateX(4deg); font: 14px/1.7 var(--mono); }
.terminal-top { display: flex; align-items: center; gap: 9px; color: var(--cyan); padding-bottom: 18px; border-bottom: 1px solid #214150; margin-bottom: 16px; }
.terminal-top .icon { width: 18px; height: 18px; }
.terminal-line { white-space: nowrap; margin-top: 12px; animation: terminal-light 6s ease-in-out infinite; animation-play-state: var(--motion-state, paused); }
.terminal-line:nth-child(3) { animation-delay: -4s; }
.terminal-line:nth-child(4) { animation-delay: -2s; }
.terminal-line > span { color: var(--cyan); }
.terminal-cursor { display: inline-block; width: 6px; height: 14px; background: var(--cyan); margin-left: 7px; box-shadow: 0 0 10px var(--cyan); vertical-align: middle; }
.demo-section { padding-block: 105px 80px; background: radial-gradient(ellipse at 50% 60%, #07558224, transparent 70%), #080e15; border-block: 1px solid #223c4c; }
.demo-tabs { display: flex; border: 1px solid #2f5568; border-radius: 8px; padding: 5px; gap: 5px; background: #050b10; flex-shrink: 0; }
.demo-tabs button { padding: 13px 19px; border: 1px solid transparent; background: transparent; color: #a7becc; border-radius: 5px; font-size: 15px; transition: background 220ms ease-out, box-shadow 220ms ease-out, color 220ms ease-out; }
.demo-tabs button[aria-selected='true'] { background: #163442; border-color: #4cd5ef71; color: #b8f9ff; box-shadow: 0 0 20px #19caff24, inset 0 0 12px #38cfff0d; }
.demo-window { border: 1px solid #3e6c83; border-radius: 12px; overflow: hidden; box-shadow: 0 0 0 6px #1a618315, 0 0 110px #009eff18; }
.window-top { min-height: 49px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 12px 20px; background: #13212d; color: #a5bac8; font: 14px/1.5 var(--mono); }
.window-top > .icon { width: 18px; height: 18px; }
.window-dots { display: flex; gap: 6px; }
.window-dots i { width: 7px; height: 7px; border-radius: 50%; background: #527585; }
.window-dots i:first-child { background: #74daed; box-shadow: 0 0 7px #57edff88; }
.demo-content { display: grid; grid-template-columns: 300px minmax(0, 1fr); background: #061018; }
.demo-sidebar { padding: 30px 26px; border-right: 1px solid #2c4554; }
.demo-brand { display: flex; align-items: center; gap: 9px; font-size: 21px; font-weight: 650; letter-spacing: -.5px; }
.demo-brand img { object-fit: contain; }
.demo-sidebar > p { font-size: 20px; line-height: 1.8; color: #d4e9f4; margin-top: 32px; }
.demo-route { display: grid; gap: 22px; margin-top: 31px; }
.demo-route > span { display: flex; gap: 10px; align-items: center; color: #9bb9cc; font-size: 14px; }
.demo-route i { position: relative; width: 6px; height: 6px; border: 1px solid var(--cyan); border-radius: 50%; flex-shrink: 0; box-shadow: 0 0 9px #58ecff55; }
.demo-route > span:not(:last-child) i::after { content: ''; position: absolute; width: 1px; height: 33px; top: 7px; left: 1.5px; background: #235067; }
.demo-media { position: relative; min-width: 0; display: flex; align-items: center; background: #0b1721; }
.demo-media video { width: 100%; display: block; aspect-ratio: 1.6; background: #08111b; object-fit: contain; }
.video-overlay { position: absolute; inset: 0 0 36px; width: 100%; display: flex; justify-content: center; align-items: center; flex-direction: column; gap: 18px; background: #011c2b6e; border: 0; font-size: 18px; text-shadow: 0 1px 12px #000; }
.video-play { position: relative; display: grid; place-items: center; width: 82px; height: 82px; background: #031620e6; color: var(--cyan); border: 1px solid var(--cyan); border-radius: 50%; box-shadow: 0 0 40px #38cfff77; transition: transform 200ms ease-out; }
.video-play::before, .video-play::after { content: ''; position: absolute; inset: -12px; border: 1px solid #74f6ff8a; border-radius: 50%; animation: sonar 3s ease-out infinite; animation-play-state: var(--motion-state, paused); }
.video-play::after { animation-delay: 1.5s; }
.video-play .icon { width: 29px; height: 29px; fill: var(--cyan); }
.video-overlay:hover .video-play { transform: scale(1.13); }
.demo-note { font-size: 14px; color: #96aebb; margin-top: 24px; text-align: right; }
.feature-layout { display: grid; grid-template-columns: 1.05fr 1fr; gap: 68px; align-items: center; }
.memory-feature { min-height: 535px; overflow: hidden; border: 1px solid #326175; border-radius: 12px; background: radial-gradient(ellipse at 50% 100%, #097fb726, transparent 70%), #071018; }
.memory-feature > img { width: 110%; max-width: none; height: 390px; position: absolute; left: -5%; bottom: -16px; object-fit: cover; mask-image: linear-gradient(transparent, #000 30%, #000 85%, transparent); animation: memory-float 8s ease-in-out infinite; animation-play-state: var(--motion-state, paused); }
.memory-feature-copy { position: relative; z-index: 1; padding: 38px; }
.memory-feature-copy h3 { font-size: 58px; letter-spacing: -.055em; line-height: 1.1; font-weight: 600; }
.memory-orbit { position: absolute; left: 15%; bottom: 10%; width: 70%; height: 30%; border: 1px solid #60dfff6e; border-radius: 50%; box-shadow: 0 0 20px #23cfff20; animation: orbit 20s linear infinite; animation-play-state: var(--motion-state, paused); }
.feature-list article { display: flex; gap: 21px; padding-block: 35px; border-bottom: 1px solid var(--line); }
.feature-list article:first-child { padding-top: 0; }
.feature-list article:last-child { border-bottom: 0; padding-bottom: 0; }
.feature-icon { display: grid; place-items: center; width: 48px; height: 48px; background: #0b2838; border: 1px solid #2a6a83; color: var(--cyan); border-radius: 10px; flex-shrink: 0; box-shadow: 0 0 20px #1aa8df16; transition: box-shadow 200ms ease-out, transform 200ms ease-out; }
.feature-list article:hover .feature-icon { box-shadow: 0 0 28px #29ddff73; transform: rotate(-8deg) scale(1.08); }
.feature-list h3 { font-size: 23px; letter-spacing: -.035em; font-weight: 600; margin-bottom: 12px; }
.feature-list p { font-size: 17px; color: var(--muted); line-height: 1.7; }
.start-section { position: relative; overflow: hidden; padding-block: 105px; border-block: 1px solid #28728d; background: radial-gradient(ellipse at 12% 100%, #066da340, transparent 70%), #08121b; }
.start-layout { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 65px; align-items: center; }
.start-copy h2 { font-size: clamp(44px, 4.8vw, 69px); line-height: 1.15; }
.github-link { margin-top: 33px; font-size: 17px; }
.start-beam { pointer-events: none; position: absolute; width: 200px; height: 200%; top: -50%; left: -40%; rotate: 25deg; background: linear-gradient(90deg, transparent, #208dd90b, #48dfff15, transparent); animation: start-sweep 13s ease-in-out infinite; animation-play-state: var(--motion-state, paused); }
.install { min-width: 0; background: #050b12; border: 1px solid #42718a; border-radius: 10px; overflow: hidden; box-shadow: 0 0 45px #1093bc16; }
.install-header { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 20px 24px; font: 14px/1.5 var(--mono); color: #aec8d8; border-bottom: 1px solid #263b4a; }
.install-header > span:first-child { display: flex; align-items: center; gap: 9px; }
.install-tabs { display: flex; gap: 27px; margin-inline: 24px; border-bottom: 1px solid #2a4354; }
.install-tabs button { min-height: 58px; border: 0; border-bottom: 2px solid transparent; background: none; padding: 16px 0; font-size: 14px; color: #9ab2c3; }
.install-tabs button[aria-selected='true'] { border-color: var(--cyan); color: var(--cyan); }
#install-panel { padding: 23px 24px; }
.code-title { display: flex; align-items: center; justify-content: space-between; gap: 15px; color: #a8bfce; font-size: 14px; }
.copy-button { display: flex; align-items: center; gap: 8px; padding: 9px 0 9px 9px; border: 0; background: none; font-size: 14px; }
.copy-button:hover { color: var(--cyan); }
.copy-button .icon { width: 16px; height: 16px; }
.install pre { margin: 18px 0 0; overflow-x: auto; padding-bottom: 10px; }
.install code { font: 14px/2.3 var(--mono); color: #b5f9ff; }
.install-note { font-size: 14px; color: #94aebb; line-height: 1.7; margin-top: 15px; }
.install-docs { display: flex; justify-content: space-between; align-items: center; padding: 18px 24px; background: #0c1c29; border-top: 1px solid #293e4f; font-size: 15px; color: #bfd9e8; }
.install-docs:hover { color: var(--cyan); }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 37px; }
.footer-top > div { display: flex; gap: 26px; align-items: center; font-size: 15px; color: #aac1cf; }
.footer-top > div a { display: flex; gap: 6px; align-items: center; }
.footer-top > div .icon { width: 15px; height: 15px; }
.footer-top .back-top { display: grid; place-items: center; width: 39px; height: 39px; border: 1px solid #37647a; border-radius: 5px; color: var(--cyan); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-block: 22px; border-top: 1px solid var(--line); font-size: 14px; color: #899eac; }
.toast { position: fixed; z-index: 50; bottom: 25px; left: 50%; transform: translate(-50%, 12px); max-width: calc(100% - 32px); padding: 16px 24px; border: 1px solid #56dffb; border-radius: 7px; background: #081c2b; color: #c1f9ff; font-size: 16px; text-align: center; box-shadow: 0 0 40px #37cfff45; opacity: 0; transition: opacity 200ms ease-out, transform 200ms ease-out; pointer-events: none; }
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }
.click-ripple { position: fixed; z-index: 45; pointer-events: none; width: 28px; height: 28px; border: 1px solid #a9fcff; border-radius: 50%; box-shadow: 0 0 18px #4cdfff; }
@keyframes neon-flow { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
@keyframes levitate { 0%, 100% { transform: translateY(8px) rotate(-2deg) scale(.98); } 50% { transform: translateY(-18px) rotate(2deg) scale(1.025); } }
@keyframes aurora-drift { from { transform: translate(-40px, 20px) scale(.9); } to { transform: translate(70px, -45px) scale(1.12); } }
@keyframes orbit { from { transform: rotate(-25deg) rotateY(45deg) rotateZ(0); } to { transform: rotate(-25deg) rotateY(45deg) rotateZ(360deg); } }
@keyframes spark-float { 0%, 100% { transform: translate(-25px, 12px) scale(.75); opacity: .55; } 50% { transform: translate(32px, -22px) scale(1.15); opacity: 1; } }
@keyframes laser-run { from { transform: translateX(0); } to { transform: translateX(420%); } }
@keyframes nudge { 0%, 100% { transform: translateX(-3px); } 50% { transform: translateX(5px); } }
@keyframes marquee-run { to { transform: translateX(-50%); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes border-spin { to { --beam-angle: 360deg; } }
@keyframes terminal-light { 0%, 100% { color: #7e9cae; text-shadow: none; } 45%, 65% { color: #d1fdff; text-shadow: 0 0 10px #4edaff8a; } }
@keyframes sonar { from { transform: scale(.82); opacity: .65; } to { transform: scale(1.7); opacity: 0; } }
@keyframes memory-float { 0%, 100% { transform: translateY(7px) scale(1); } 50% { transform: translateY(-13px) scale(1.045); } }
@keyframes start-sweep { to { left: 140%; } }
[data-motion-zone], [data-reveal] { --motion-state: paused; }
[data-in-view] { --motion-state: running; }
body.is-hidden *, body.is-hidden *::before, body.is-hidden *::after { animation-play-state: paused !important; }
.motion-off *, .motion-off *::before, .motion-off *::after { animation: none !important; transition: none !important; }
.motion-off .hero-art, .motion-off [data-tilt] { transform: none !important; }
.motion-off [data-magnetic] { translate: none !important; }
.motion-off .cursor-glow, .motion-off .particles, .motion-off .click-ripple { display: none; }
html:has(.motion-off) { scroll-behavior: auto; }
@media (max-width: 1150px) {
  .container { width: calc(100% - 72px); }
  .nav-links { gap: 20px; margin-right: 0; }
  .nav { gap: 19px; }
  .hero-inner { min-height: 690px; }
  .hero-art { left: 42%; top: 25px; }
  .hero-render { width: 960px; height: 670px; }
  h1 { font-size: 78px; }
  .hero-copy { width: 600px; }
  .step-image { height: 235px; }
  .step h3 { font-size: 22px; }
  .step-body { padding: 25px 20px; }
  .terminal-image { padding: 15px; }
  .terminal-preview { padding: 17px 13px; }
  .demo-content { grid-template-columns: 270px minmax(0, 1fr); }
  .demo-sidebar { padding: 25px 21px; }
  .demo-sidebar > p { font-size: 17px; }
  .demo-route { gap: 18px; }
  .feature-layout, .start-layout { gap: 38px; }
  .memory-feature-copy h3 { font-size: 51px; }
}
@media (max-width: 900px) {
  .container { width: calc(100% - 48px); }
  .nav-links { display: none; }
  .motion-toggle { margin-left: auto; }
  .hero-inner { min-height: 700px; }
  .hero-art { left: 40%; opacity: .7; }
  .hero-render { mask-image: linear-gradient(90deg, transparent, #000 35%, #000 85%, transparent), linear-gradient(transparent, #000 15%, #000 85%, transparent); }
  .hero-copy { width: 100%; }
  h1 { font-size: 76px; }
  .section { padding-block: 85px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 25px; margin-bottom: 40px; }
  h2 { font-size: 52px; }
  .section-description { font-size: 19px; }
  .steps { grid-template-columns: 1fr; gap: 25px; }
  .step { display: grid; grid-template-columns: 46% 54%; min-height: 245px; }
  .step-image { height: 100%; min-height: 245px; border-bottom: 0; border-right: 1px solid #304653; }
  .step-body { padding: 28px; align-self: center; }
  .step h3 { font-size: 28px; }
  .step p { font-size: 18px; }
  .demo-section { padding-block: 85px 65px; }
  .demo-content { grid-template-columns: 230px minmax(0, 1fr); }
  .demo-sidebar { padding: 24px 20px; }
  .demo-brand { font-size: 18px; }
  .demo-sidebar > p { margin-top: 20px; font-size: 17px; }
  .demo-route { gap: 20px; margin-top: 24px; }
  .demo-route > span { font-size: 14px; }
  .demo-media video { height: 100%; }
  .feature-layout { grid-template-columns: 1fr 1fr; gap: 30px; }
  .memory-feature { min-height: 510px; }
  .memory-feature-copy { padding: 28px; }
  .memory-feature-copy h3 { font-size: 43px; }
  .feature-list article { gap: 15px; }
  .feature-icon { width: 40px; height: 40px; }
  .feature-list h3 { font-size: 21px; }
  .feature-list p { font-size: 16px; }
  .start-layout { grid-template-columns: 1fr; gap: 42px; }
  .start-copy h2 { font-size: 65px; }
  .menu-toggle { display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 6px; width: 29px; height: 44px; padding: 0; border: 0; background: none; }
  .menu-toggle span { width: 22px; height: 1px; background: var(--cyan); transition: transform 200ms ease-out; }
  .menu-toggle[aria-expanded='true'] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded='true'] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .nav-links.is-open { display: flex; flex-direction: column; align-items: stretch; position: absolute; top: 84px; left: 0; right: 0; padding: 18px 24px; background: #081822; border-bottom: 1px solid #4bdaff77; box-shadow: 0 25px 60px #0008; gap: 4px; }
  .nav-links.is-open a { font-size: 17px; padding: 15px 0; }
}
@media (max-width: 600px) {
  html { scroll-padding-top: 83px; }
  .container { width: calc(100% - 40px); }
  .header { height: 72px; }
  .nav { gap: 12px; }
  .brand { font-size: 23px; gap: 7px; letter-spacing: -1px; }
  .brand img { width: 26px; height: 31px; }
  .motion-toggle { width: 33px; height: 33px; }
  .nav-start { display: none; }
  .nav-start .icon { display: none; }
  .nav-links.is-open { top: 72px; }
  .hero-inner { display: block; min-height: auto; }
  .hero-copy { padding: 47px 0 0; }
  .hero-badge { font-size: 14px; padding: 8px 0; border: 0; background: none; box-shadow: none; gap: 8px; margin-bottom: 24px; white-space: nowrap; }
  .hero-badge .status-dot { width: 6px; height: 6px; }
  h1 { font-size: clamp(43px, 12.2vw, 70px); line-height: 1.12; letter-spacing: -.073em; }
  .hero-description { font-size: 19px; line-height: 1.7; margin-top: 24px; }
  .hero-actions { gap: 21px; margin-top: 27px; }
  .hero-actions .button { min-height: 53px; padding-inline: 19px; font-size: 15px; gap: 16px; }
  .hero-actions .text-button { font-size: 14px; gap: 8px; }
  .play-ring { width: 28px; height: 28px; }
  .play-ring .icon { width: 13px; height: 13px; }
  .hero-art { position: relative; top: auto; bottom: auto; left: -20px; width: calc(100% + 40px); height: 330px; margin: 3px 0 25px; opacity: 1; }
  .hero-render { top: -3px; left: 0; width: 100%; height: 345px; mask-image: linear-gradient(transparent, #000 15%, #000 76%, transparent); }
  .hero-orbit { top: 12%; left: 5%; width: 88%; height: 73%; }
  .orbit-two { top: 7%; left: 13%; height: 80%; width: 73%; }
  .spark-one { top: 15%; left: 25%; }
  .scroll-cue { bottom: 16px; width: 34px; height: 34px; left: calc(50% - 17px); }
  .scroll-cue .icon { width: 18px; height: 18px; }
  .aurora { width: 600px; height: 400px; }
  .aurora-one { top: auto; bottom: 5%; right: -180px; }
  .marquee { padding-block: 20px 23px; }
  .marquee span { font-size: 44px; }
  .marquee-group { gap: 25px; padding-right: 25px; }
  .marquee svg { width: 26px; height: 26px; }
  .marquee-track { animation-duration: 21s; }
  .section { padding-block: 70px; }
  h2 { font-size: clamp(33px, 9vw, 47px); line-height: 1.17; }
  .section-heading { gap: 21px; margin-bottom: 34px; }
  .section-description { font-size: 18px; line-height: 1.65; }
  .step { display: block; }
  .step-image { height: 250px; min-height: 0; border-right: 0; border-bottom: 1px solid #304653; }
  .step-body { padding: 27px 24px 31px; }
  .step h3 { font-size: 27px; }
  .step p { font-size: 17px; margin-top: 12px; }
  .terminal-image { padding: 25px; }
  .terminal-preview { padding: 22px; font-size: 15px; }
  .terminal-line { margin-top: 15px; }
  .demo-section { padding-block: 70px 55px; }
  .demo-tabs { width: 100%; }
  .demo-tabs button { flex: 1; padding: 12px 11px; font-size: 15px; }
  .window-top { gap: 12px; padding: 13px; min-height: 45px; }
  #demo-url { font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .window-top > .icon, .window-dots { display: none; }
  .demo-content { grid-template-columns: 1fr; }
  .demo-sidebar { padding: 22px; border-right: 0; border-bottom: 1px solid #2c4554; }
  .demo-brand { font-size: 21px; }
  .demo-sidebar > p { font-size: 18px; line-height: 1.65; margin-top: 17px; }
  .demo-sidebar > p br { display: none; }
  .demo-route { display: none; }
  .demo-media video { aspect-ratio: 1.6; height: auto; }
  .video-play { width: 59px; height: 59px; }
  .video-play .icon { width: 24px; height: 24px; }
  .video-overlay { font-size: 15px; gap: 13px; }
  .demo-note { font-size: 14px; text-align: left; line-height: 1.7; margin-top: 21px; }
  .feature-layout { grid-template-columns: 1fr; gap: 35px; }
  .memory-feature { min-height: 475px; }
  .memory-feature-copy { padding: 30px; }
  .memory-feature-copy h3 { font-size: 50px; }
  .memory-feature > img { height: 340px; }
  .feature-list article { padding-block: 28px; gap: 18px; }
  .feature-icon { width: 43px; height: 43px; }
  .feature-list h3 { font-size: 22px; }
  .feature-list p { font-size: 17px; }
  .start-section { padding-block: 74px; }
  .start-copy h2 { font-size: clamp(38px, 10.5vw, 60px); }
  .github-link { margin-top: 26px; font-size: 16px; }
  .install-header { padding: 18px; }
  .install-tabs { margin-inline: 18px; gap: 24px; }
  #install-panel { padding: 20px 18px; }
  .code-title { font-size: 14px; gap: 10px; }
  .copy-button { font-size: 14px; gap: 5px; }
  .install code { font-size: 14px; }
  .install-docs { padding: 18px; }
  .footer-top { padding-block: 31px; }
  .footer-top .brand { font-size: 22px; }
  .footer-top > div { font-size: 14px; gap: 16px; }
  .footer-top > div .icon { display: none; }
  .footer-top .back-top { width: 31px; height: 31px; }
  .footer-bottom { font-size: 14px; padding-block: 20px; }
  .cursor-glow { display: none; }
}
@media (max-width: 360px) {
  .container { width: calc(100% - 32px); }
  .nav { gap: 8px; }
  .brand { font-size: 20px; }
  .brand img { width: 22px; }
  .nav-start { padding-inline: 9px; }
  .hero-badge { font-size: 14px; letter-spacing: -.35px; }
  .hero-actions { gap: 14px; flex-wrap: wrap; }
  .hero-actions .button { padding-inline: 15px; }
  .hero-actions .text-button { gap: 6px; }
  .hero-art { height: 290px; }
  .hero-render { height: 300px; }
  .terminal-image { padding: 17px; }
  .terminal-preview { padding: 18px 14px; }
  .memory-feature-copy h3 { font-size: 43px; }
  .footer-top > div { gap: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .hero-art, [data-tilt] { transform: none !important; }
  [data-magnetic] { translate: none !important; }
  .cursor-glow, .particles, .click-ripple { display: none; }
}

/* Blog article (blog/*.html). */
.article-back { margin-left: auto; color: #b3c2cd; font-size: 15px; }
.article { max-width: 760px; padding-block: 72px 96px; }
.article-head h1 { white-space: normal; margin: 14px 0 22px; font-size: clamp(36px, 6vw, 60px); line-height: 1.08; letter-spacing: -1.5px; }
.article-meta { display: flex; gap: 14px; margin: 0; font-size: 14px; color: var(--muted); }
.article-meta span { color: var(--cyan); }
.article-lede { margin: 0; font-size: 20px; line-height: 1.7; color: #c9d8e1; }
.article-cover { display: block; width: 100%; height: auto; margin: 44px 0 12px; border: 1px solid var(--line); border-radius: 10px; }
.article-body h2 { margin: 56px 0 18px; font-size: clamp(25px, 3.4vw, 32px); line-height: 1.25; }
.article-body p { margin: 0 0 20px; font-size: 18px; line-height: 1.8; color: #d4e1e9; }
.article-body a:not(.button) { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }
.article-cta { margin-top: 64px; padding: 32px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.article-cta h2 { margin-top: 0; }
.article > * { animation: article-in 320ms ease-out both; }
.article > :nth-child(2) { animation-delay: 60ms; }
.article > :nth-child(3) { animation-delay: 120ms; }
@keyframes article-in { from { opacity: 0; transform: translateY(8px); } }
@media (max-width: 600px) {
  .article { padding-block: 44px 64px; }
  .article-lede { font-size: 18px; }
  .article-body p { font-size: 17px; }
  .article-cta { padding: 22px; }
  .article-cta .button { width: 100%; gap: 12px; }
}
@media (prefers-reduced-motion: reduce) { .article > * { animation: none; } }