:root {
  color-scheme: dark;
  --black: #08080a;
  --bg: #0b0b0e;
  --panel: #111115;
  --panel-raised: #17171c;
  --line: #28262f;
  --line-strong: #393541;
  --white: #f7f5f9;
  --muted: #a39eaa;
  --quiet: #746f7c;
  --purple: #624994;
  --purple-light: #a789d4;
  --purple-pale: #d7c3f2;
  --radius: 17px;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; min-width: 320px; background: var(--black); color: var(--white); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-weight: 350; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 2px solid var(--purple-light); outline-offset: 3px; }
.wrap { width: min(100% - 56px, 1160px); 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; }
.site-header { position: fixed; z-index: 50; inset: 0 0 auto; border-bottom: 1px solid #ffffff0c; background: #08080ae8; backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); }
.nav-wrap { max-width: 1320px; }
nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: inline-flex; align-items: center; text-decoration: none; }
.nav-logo img { width: 45px; height: 38px; object-fit: contain; }
.nav-cta { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 0 17px; border: 1px solid #9e7bc555; border-radius: 9px; background: #251c33; color: #f5effc; text-decoration: none; font-size: 13px; font-weight: 500; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.nav-cta:hover { transform: translateY(-1px); background: #352645; border-color: #a789d4aa; }
.nav-cta span, .try-card-foot a span { color: var(--purple-pale); }
.hero { min-height: 670px; display: flex; flex-direction: column; align-items: center; justify-content: center; padding-top: 138px; padding-bottom: 78px; text-align: center; }
.eyebrow { margin: 0 0 15px; color: var(--purple-light); text-transform: uppercase; letter-spacing: .16em; font-size: 10px; font-weight: 650; }
.hero h1 { max-width: 880px; margin: 0; font-size: clamp(39px, 7.1vw, 82px); line-height: 1.03; letter-spacing: -.065em; font-weight: 490; }
.hero h1 em { display: inline-block; min-width: 6ch; color: var(--purple-light); font-style: normal; text-align: left; }
.hero h1 em::after { content: ""; display: inline-block; width: 2px; height: .78em; margin-left: 4px; background: var(--purple-light); vertical-align: -.03em; animation: caretBlink 1s steps(2, start) infinite; }
@keyframes caretBlink { to { opacity: 0; } }
.hero-copy { max-width: 600px; margin: 24px 0 0; color: #aaa5af; font-size: clamp(15px, 1.8vw, 18px); line-height: 1.75; }
.waitlist-form { width: min(100%, 460px); display: flex; flex-wrap: wrap; gap: 9px; margin-top: 30px; }
.auth-form { flex-direction: column; align-items: stretch; }
.auth-form input, .auth-form button { width: 100%; }
.auth-switch { margin: 10px 0 0; color: var(--quiet); font-size: 12px; }
.auth-switch button { border: 0; padding: 0; background: transparent; color: var(--purple-pale); cursor: pointer; font-size: inherit; }
.auth-switch button:hover { color: #efe7f8; }
.waitlist-form .hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.turnstile-widget { flex: 1 1 100%; min-height: 0; display: flex; justify-content: center; }
.waitlist-form input { min-width: 0; min-height: 50px; flex: 1; padding: 0 15px; border: 1px solid #35313d; border-radius: 9px; background: #111115; color: var(--white); font-size: 14px; }
.waitlist-form input::placeholder { color: #6f6a76; }
.waitlist-form button { min-height: 50px; flex: none; display: inline-flex; align-items: center; gap: 10px; padding: 0 17px; border: 1px solid #8061aa; border-radius: 9px; background: var(--purple); color: white; cursor: pointer; font-size: 13px; font-weight: 550; transition: background .18s, transform .18s; }
.waitlist-form button:hover { background: #785cab; transform: translateY(-1px); }
.waitlist-form button:disabled { opacity: .65; cursor: wait; }
.form-note, .success { margin: 11px 0 0; color: var(--quiet); font-size: 12px; }
.form-error { color: #e89b9b !important; }
.success { display: block; color: #e8e2ef; }
.success[hidden] { display: none; }
.success span { color: var(--purple-light); }
.scroll-cue { display: inline-flex; align-items: center; gap: 9px; margin-top: 58px; color: #797481; text-decoration: none; font-size: 11px; transition: color .2s; }
.scroll-cue:hover { color: var(--purple-pale); }
.scroll-cue span { width: 18px; height: 25px; display: inline-block; border: 1px solid #6e6678; border-radius: 12px; position: relative; }
.scroll-cue span::after { content: ""; position: absolute; top: 5px; left: 7px; width: 2px; height: 5px; border-radius: 3px; background: var(--purple-light); animation: scrollDot 1.5s ease infinite; }
@keyframes scrollDot { 0% { transform: translateY(0); opacity: 0; } 35% { opacity: 1; } 100% { transform: translateY(8px); opacity: 0; } }
.section-heading { max-width: 720px; margin: 0 auto 38px; text-align: center; }
.section-heading h2, .try-heading h2 { margin: 0; font-size: clamp(29px, 4.3vw, 48px); line-height: 1.12; letter-spacing: -.05em; font-weight: 470; }
.section-heading > p:last-child { margin: 13px 0 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.preview-section { padding-top: 48px; padding-bottom: 105px; }
.app-preview { overflow: hidden; border: 1px solid #393540; border-radius: 15px; background: #0e0e12; box-shadow: 0 24px 90px #0008, 0 0 80px #5f43801a; }
.preview-topbar { height: 50px; display: flex; align-items: center; gap: 20px; padding: 0 18px; border-bottom: 1px solid #29262f; background: #111115; }
.preview-brand { display: inline-flex; align-items: center; gap: 8px; color: #ede8f2; font-size: 13px; font-weight: 600; letter-spacing: -.06em; }
.preview-brand img { width: 19px; height: 19px; object-fit: contain; border-radius: 50%; }
.preview-crumb { color: #88828f; font-size: 10px; }
.preview-crumb span { margin: 0 7px; color: #5e5965; }
.preview-saved { display: inline-flex; align-items: center; gap: 6px; margin-left: auto; color: #77727e; font-size: 9px; }
.preview-saved i, .private-pill i { width: 6px; height: 6px; display: inline-block; border-radius: 50%; background: #7aa986; box-shadow: 0 0 10px #7aa98677; }
.preview-body { min-height: 455px; display: grid; grid-template-columns: 190px minmax(0,1fr); }
.preview-sidebar { padding: 22px 12px; border-right: 1px solid #29262f; background: #101014; }
.preview-side-label { margin: 0 7px 11px; color: #6f6976; font-size: 8px; letter-spacing: .12em; font-weight: 600; }
.preview-side-label.spaced { margin-top: 25px; }
.preview-side-item { min-height: 34px; display: flex; align-items: center; gap: 9px; padding: 0 9px; border-radius: 6px; color: #9a94a0; font-size: 10px; }
.preview-side-item span { width: 15px; color: #ad91d3; text-align: center; }
.preview-side-item.active { background: #21192a; color: #e8e0f2; }
.preview-canvas { min-width: 0; display: flex; flex-direction: column; }
.preview-tabs { min-height: 48px; display: flex; gap: 5px; align-items: end; padding: 0 23px; border-bottom: 1px solid #25232b; }
.preview-tab { height: 38px; display: inline-flex; align-items: center; gap: 7px; padding: 0 13px; border: 0; border-bottom: 2px solid transparent; background: transparent; color: #89838f; cursor: pointer; font-size: 10px; transition: color .2s, border .2s; }
.preview-tab:hover, .preview-tab.active { color: #dfd0f2; }
.preview-tab.active { border-bottom-color: var(--purple-light); }
.preview-tab:first-letter { color: var(--purple-light); }
.preview-stage { flex: 1; min-height: 345px; padding: 28px clamp(18px, 4vw, 45px) 22px; }
.preview-scene[hidden], .try-panel[hidden] { display: none; }
.preview-scene.active { animation: sceneIn .45s ease both; }
@keyframes sceneIn { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: translateY(0); } }
.scene-title { display: flex; align-items: center; gap: 10px; margin-bottom: 23px; }
.scene-title > div { display: grid; gap: 3px; }
.scene-title strong { color: #e7e2ec; font-size: 12px; font-weight: 530; }
.scene-title small { color: #797480; font-size: 9px; }
.scene-icon { width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid #504160; border-radius: 8px; background: #211a2a; color: #d0b5f2; font: 12px Georgia, serif; }
.code-icon { font: 10px ui-monospace, monospace; }
.circuit-icon { font-size: 17px; }
.equation-demo { min-height: 172px; display: grid; align-content: center; padding: 24px clamp(17px, 4vw, 34px); border: 1px solid #302c38; border-radius: 11px; background: radial-gradient(ellipse at 20% 10%, #201a2a88, transparent 55%), #101014; }
.demo-label { color: #827a8d; font-size: 9px; letter-spacing: .14em; }
.demo-equation { min-height: 61px; display: flex; align-items: center; gap: 3px; color: #f4eef8; font: clamp(26px, 4vw, 39px) Georgia, "Times New Roman", serif; }
.typing-caret { width: 2px; height: 32px; display: inline-block; background: #b38fe2; animation: caretBlink .75s steps(2,start) infinite; }
.equation-output { min-height: 30px; display: flex; align-items: center; gap: 6px; opacity: 0; transform: translateY(5px); color: #9e96a9; font: 13px Georgia, serif; transition: opacity .45s, transform .45s; }
.equation-output.visible { opacity: 1; transform: none; }
.equation-output strong { color: #d9c5f2; font-weight: 400; }
.equation-output small { margin-left: auto; color: #77717d; font: 9px Inter, sans-serif; }
.scene-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; margin-top: 15px; color: #797480; font-size: 9px; }
.collab-dot { display: inline-flex; align-items: center; gap: 6px; }
.collab-dot i { width: 6px; height: 6px; border-radius: 50%; background: #77a586; }
.code-demo { position: relative; min-height: 172px; display: grid; grid-template-columns: 35px 1fr; padding: 21px 21px 20px 10px; overflow: hidden; border: 1px solid #302c38; border-radius: 11px; background: #101014; }
.code-gutter { padding-top: 1px; border-right: 1px solid #2b2831; color: #655f6c; font: 11px/1.9 ui-monospace, SFMono-Regular, Menlo, monospace; text-align: center; }
.code-demo pre { min-width: 0; margin: 0; padding: 0 0 0 15px; overflow-x: auto; color: #dbd5e2; font: 12px/1.9 ui-monospace, SFMono-Regular, Menlo, monospace; }
.code-demo code.hljs { padding: 0; background: transparent; }
.code-demo code.is-typing::after { content: ""; width: 2px; height: 1.15em; display: inline-block; margin-left: 1px; background: #b38fe2; vertical-align: -.16em; animation: caretBlink .75s steps(2,start) infinite; }
.language-pill { align-self: center; padding: 4px 7px; border: 1px solid #38333f; border-radius: 5px; color: #978ba5; font-size: 8px; letter-spacing: .08em; }
.circuit-demo { min-height: 172px; position: relative; display: grid; place-items: center; overflow: hidden; border: 1px solid #302c38; border-radius: 11px; background-image: radial-gradient(#24212a 1px, transparent 1px); background-size: 18px 18px; }
.circuit-demo svg { width: min(100%, 680px); height: auto; overflow: visible; }
.circuit-wire { fill: none; stroke: #837a8e; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 1000; stroke-dashoffset: 1000; }
.circuit-ready .circuit-wire { animation: drawWire 1.6s ease forwards; }
@keyframes drawWire { to { stroke-dashoffset: 0; } }
.circuit-part { fill: none; stroke: #c6b1e1; stroke-width: 3; stroke-linecap: round; opacity: 0; transition: opacity .4s .3s; }
.circuit-ready .circuit-part { opacity: 1; }
.circuit-part text { fill: #b6a4cb; stroke: none; font: 12px Inter, sans-serif; }
.circuit-node { fill: #bb9fe2; opacity: 0; }
.circuit-ready .circuit-node { opacity: 1; transition: opacity .3s .5s; }
.circuit-cursor { position: absolute; right: 17%; bottom: 27%; color: #d1b4f2; font-size: 22px; filter: drop-shadow(0 2px 4px #000); animation: pointerTap 2s ease-in-out infinite; }
@keyframes pointerTap { 0%,100% { transform: translate(16px,-12px); } 45%,70% { transform: translate(0,0) scale(.91); } }
.preview-caption { display: flex; align-items: center; justify-content: center; gap: 15px; margin-top: 26px; color: #8d8794; font-size: 12px; line-height: 1.7; text-align: left; }
.preview-caption p { margin: 0; }
.preview-caption strong { color: #c9c1d1; font-weight: 450; }
.caption-icon { width: 23px; height: 23px; flex: none; fill: none; stroke: var(--purple-light); stroke-width: 1.6; stroke-linecap: round; }
.try-section { padding-top: 55px; padding-bottom: 116px; scroll-margin-top: 86px; }
.try-heading { margin-bottom: 31px; text-align: center; }
.try-heading .eyebrow { margin-bottom: 10px; }
.try-heading h2 { font-size: clamp(36px, 5vw, 56px); }
.try-heading > p:last-child { max-width: 560px; margin: 12px auto 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.try-card { overflow: hidden; border: 1px solid #36323d; border-radius: 15px; background: #101014; box-shadow: 0 20px 80px #0006; }
.try-card-bar { min-height: 49px; display: flex; align-items: center; justify-content: space-between; padding: 0 17px; border-bottom: 1px solid #2a2730; background: #141318; }
.private-pill { display: inline-flex; align-items: center; gap: 7px; color: #8c8791; font-size: 8px; letter-spacing: .09em; }
.private-pill i { width: 5px; height: 5px; }
.try-layout { min-height: 360px; display: grid; grid-template-columns: 175px minmax(0,1fr); }
.try-tool-nav { display: flex; flex-direction: column; gap: 4px; padding: 17px 10px; border-right: 1px solid #2a2730; background: #111115; }
.try-tab { min-height: 40px; display: flex; align-items: center; gap: 10px; padding: 0 11px; border: 1px solid transparent; border-radius: 7px; background: transparent; color: #9b95a1; cursor: pointer; text-align: left; font-size: 11px; transition: color .15s, background .15s, border .15s; }
.try-tab > span { width: 18px; color: #b898df; text-align: center; }
.try-tab:hover { background: #19171d; color: #e6deed; }
.try-tab.active { border-color: #40364e; background: #211a2b; color: #efe8f5; }
.try-panels { min-width: 0; padding: clamp(18px,3.5vw,32px); }
.try-panel.active { animation: sceneIn .25s ease both; }
.try-panel-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 15px; margin-bottom: 19px; }
.try-panel-head h3 { margin: 0; color: #e9e5ed; font-size: 15px; font-weight: 520; letter-spacing: -.02em; }
.try-panel-head p { margin: 5px 0 0; color: #89838f; font-size: 11px; line-height: 1.5; }
.mini-action { min-height: 33px; flex: none; padding: 0 10px; border: 1px solid #4d3c63; border-radius: 7px; background: #211a2a; color: #d6c1ef; cursor: pointer; font-size: 10px; }
.mini-action:hover { background: #30243d; }
.math-input { width: 100%; min-height: 48px; padding: 10px 13px; border: 1px solid #393541; border-radius: 7px; background: #0c0c0f; color: #eee9f4; font: 15px ui-monospace, SFMono-Regular, Menlo, monospace; }
.math-render { min-height: 89px; display: flex; align-items: center; overflow-x: auto; margin-top: 10px; padding: 12px 15px; border: 1px solid #302d36; border-radius: 8px; background: #0c0c0f; color: #eee9f4; font-size: 20px; }
.math-render:empty::before { content: "Formatted equation appears here"; color: #706b77; font: 11px Inter, sans-serif; }
.math-render .katex-display { margin: 0; }
.added-equations { display: grid; gap: 7px; margin-top: 9px; }
.saved-equation { min-height: 50px; display: flex; align-items: center; padding: 10px 14px; border: 1px solid #28252d; border-radius: 7px; color: #e6dff0; }
.language-picker { display: grid; gap: 5px; color: #827d89; font-size: 9px; }
.language-picker select { min-height: 32px; padding: 0 9px; border: 1px solid #3b3741; border-radius: 6px; background: #19171c; color: #ddd6e4; font-size: 10px; color-scheme: dark; }
.try-code-input { width: 100%; min-height: 130px; display: block; resize: vertical; padding: 12px 14px; border: 1px solid #302d36; border-radius: 7px; background: #0b0b0e; color: #e6e1e9; font: 11px/1.7 ui-monospace, SFMono-Regular, Menlo, monospace; tab-size: 2; }
.demo-hint { margin: 10px 0 6px; color: #716c78; font-size: 9px; }
.try-code-preview { max-height: 230px; overflow: auto; margin: 0; padding: 12px 14px; border: 1px solid #302d36; border-radius: 7px; background: #131318; font: 11px/1.7 ui-monospace, SFMono-Regular, Menlo, monospace; white-space: pre-wrap; overflow-wrap: anywhere; }
.try-code-preview code.hljs { padding: 0; background: transparent; }
.task-count { color: #817b88; font-size: 10px; }
.task-form { display: flex; gap: 8px; }
.task-form input { min-width: 0; min-height: 42px; flex: 1; padding: 0 12px; border: 1px solid #36323c; border-radius: 7px; background: #0c0c0f; color: #f1edf5; font-size: 11px; }
.task-form button { width: 42px; flex: none; border: 1px solid #725695; border-radius: 7px; background: #352747; color: #f4eefb; cursor: pointer; font-size: 21px; }
.demo-task-list { display: grid; gap: 2px; margin: 12px 0 0; padding: 0; list-style: none; }
.demo-task { min-height: 39px; display: flex; align-items: center; gap: 9px; padding: 4px 2px; border-bottom: 1px solid #242229; color: #d8d3dd; font-size: 11px; }
.task-reorder-controls { display: inline-flex; align-items: center; gap: 2px; margin-left: auto; }
.task-move { width: 25px; height: 25px; display: grid; place-items: center; padding: 0; border: 0; border-radius: 5px; background: transparent; color: #a991c4; cursor: pointer; font-size: 15px; line-height: 1; }
.task-move:hover:not(:disabled) { background: #252027; color: #e6dbea; }
.task-move:disabled { color: #49444f; cursor: default; }
.demo-task.done .task-label { color: #77717d; text-decoration: line-through; }
.task-check { width: 17px; height: 17px; flex: none; display: grid; place-items: center; padding: 0; border: 1px solid #5c5365; border-radius: 5px; background: #121115; color: #cdb3eb; cursor: pointer; font-size: 11px; }
.task-remove { width: 25px; height: 25px; flex: none; border: 0; border-radius: 5px; background: transparent; color: #716a77; cursor: pointer; font-size: 17px; }
.task-remove:hover { background: #252027; color: #e6dbea; }
.circuit-board { min-height: 168px; display: flex; align-items: center; overflow-x: auto; margin-top: 5px; padding: 18px 12px; border: 1px solid #302d36; border-radius: 9px; background-color: #0c0c0f; background-image: radial-gradient(#25222a 1px, transparent 1px); background-size: 18px 18px; }
.circuit-track { min-width: max-content; display: flex; align-items: center; margin: 0 auto; }
.circuit-chip { min-width: 67px; min-height: 63px; position: relative; display: grid; place-items: center; align-content: center; gap: 3px; border: 1px solid #4c3d5b; border-radius: 8px; background: #1a1620; color: #d6c4e9; }
.circuit-chip > span { font-size: 18px; line-height: 1.1; }
.circuit-chip small { color: #8c8493; font-size: 8px; }
.source-chip, .ground-chip { min-width: 54px; border-color: #3d4546; background: #14191a; color: #aac6b3; }
.track-wire { width: clamp(18px,5vw,48px); height: 1px; flex: none; background: #8b8293; }
.component-remove { position: absolute; top: -7px; right: -7px; width: 18px; height: 18px; display: grid; place-items: center; padding: 0; border: 1px solid #48414e; border-radius: 50%; background: #17141a; color: #cbbcd6; cursor: pointer; font-size: 13px; }
.circuit-actions { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.circuit-actions button { min-height: 34px; padding: 0 11px; border: 1px solid #3b3542; border-radius: 7px; background: #17151b; color: #c6bdce; cursor: pointer; font-size: 10px; }
.circuit-actions button:hover { border-color: #6c5588; background: #211a29; }
.try-card-foot { min-height: 46px; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 17px; border-top: 1px solid #29262f; background: #121115; color: #7c7682; font-size: 9px; }
.try-card-foot a { display: inline-flex; align-items: center; gap: 7px; color: #c0a7dd; text-decoration: none; white-space: nowrap; }
.features { padding-top: 75px; padding-bottom: 110px; border-top: 1px solid #222027; }
.features .section-heading h2 span { color: var(--purple-light); }
.features-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 13px; margin-top: 39px; }
.feature-item { min-height: 224px; padding: 23px 21px; border: 1px solid #29262f; border-radius: 12px; background: linear-gradient(145deg,#141318,#0c0c0f 70%); }
.feature-mark { width: 34px; height: 34px; display: grid; place-items: center; margin-bottom: 25px; border: 1px solid #463951; border-radius: 9px; background: #211a29; color: #cfb5eb; font: 14px Georgia,serif; }
.feature-mark svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.feature-item h3 { margin: 0 0 9px; color: #e9e5ec; font-size: 14px; font-weight: 540; }
.feature-item p { margin: 0; color: #918b98; font-size: 11px; line-height: 1.7; }
.bottom-brand { min-height: 290px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 20px; border-top: 1px solid #222027; text-align: center; }
.bottom-brand img { display: block; width: min(210px,55vw); height: auto; }
.bottom-brand p { margin: 0; color: #837c8b; font-size: 12px; letter-spacing: .02em; }
.site-footer { min-height: 60px; display: flex; align-items: center; justify-content: space-between; gap: 16px; border-top: 1px solid #201e24; color: #706a76; font-size: 10px; }
.site-footer a { color: #9c8cae; text-decoration: none; }
.site-footer a:hover { color: #d9c2f3; }
.fade-in { opacity: 0; transform: translateY(15px); animation: rise .75s cubic-bezier(.22,1,.36,1) forwards; }
.fade-in.delay-1 { animation-delay: .12s; }.fade-in.delay-2 { animation-delay: .23s; }.fade-in.delay-3 { animation-delay: .34s; }
@keyframes rise { to { opacity: 1; transform: none; } }
.reveal { opacity: 0; transform: translateY(22px); filter: blur(4px); transition: opacity .7s cubic-bezier(.22,1,.36,1), transform .7s cubic-bezier(.22,1,.36,1), filter .7s ease; }
.reveal.visible { opacity: 1; transform: none; filter: none; }
.feature-item:nth-child(2).reveal { transition-delay: .1s; }.feature-item:nth-child(3).reveal { transition-delay: .18s; }
@media (max-width: 800px) {
  .wrap { width: min(100% - 40px, 680px); }
  .hero { min-height: 620px; }
  .preview-body { grid-template-columns: 150px minmax(0,1fr); }
  .preview-sidebar { padding-inline: 8px; }
  .preview-side-item { padding-inline: 6px; }
  .try-layout { grid-template-columns: 145px minmax(0,1fr); }
  .try-tool-nav { padding-inline: 7px; }
  .try-tab { gap: 7px; padding-inline: 8px; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .feature-item:last-child { grid-column: 1 / -1; min-height: 180px; }
}
@media (max-width: 600px) {
  html { scroll-padding-top: 67px; }
  .wrap { width: min(100% - 32px, 500px); }
  nav { min-height: 62px; }
  .nav-cta { min-height: 39px; padding-inline: 12px; font-size: 12px; }
  .nav-logo img { width: 40px; height: 34px; }
  .hero { min-height: 630px; padding-top: 118px; padding-bottom: 54px; }
  .hero h1 { font-size: clamp(39px, 10vw, 58px); }
  .hero h1 em { min-width: 0; }
  .hero-copy { max-width: 440px; margin-top: 18px; font-size: 15px; }
  .waitlist-form { flex-direction: column; gap: 8px; margin-top: 25px; }
  .waitlist-form input, .waitlist-form button { width: 100%; min-height: 49px; }
  .scroll-cue { margin-top: 39px; }
  .preview-section { padding-top: 25px; padding-bottom: 77px; }
  .section-heading { margin-bottom: 25px; }
  .section-heading h2 { font-size: clamp(29px,8vw,40px); }
  .preview-topbar { height: 44px; gap: 10px; padding-inline: 11px; }
  .preview-brand { font-size: 11px; }
  .preview-crumb { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 8px; }
  .preview-saved { font-size: 8px; }
  .preview-body { min-height: 0; display: block; }
  .preview-sidebar { display: none; }
  .preview-tabs { min-height: 44px; justify-content: center; padding: 0 5px; }
  .preview-tab { height: 36px; gap: 5px; padding-inline: 10px; font-size: 9px; }
  .preview-stage { min-height: 275px; padding: 20px 13px 15px; }
  .scene-title { margin-bottom: 15px; }
  .equation-demo, .code-demo, .circuit-demo { min-height: 150px; }
  .demo-equation { font-size: 30px; }
  .equation-output small { display: none; }
  .code-demo { grid-template-columns: 24px 1fr; padding: 17px 10px 16px 5px; }
  .code-demo pre { padding-left: 9px; font-size: 9px; }
  .circuit-part text { font-size: 15px; }
  .scene-footer { font-size: 8px; }
  .preview-caption { margin-top: 20px; font-size: 10px; }
  .try-section { padding-top: 24px; padding-bottom: 80px; }
  .try-heading > p:last-child { font-size: 12px; }
  .try-layout { display: block; min-height: 0; }
  .try-tool-nav { display: grid; grid-template-columns: repeat(4,1fr); gap: 3px; padding: 7px; border-right: 0; border-bottom: 1px solid #2a2730; }
  .try-tab { min-height: 47px; flex-direction: column; justify-content: center; gap: 2px; padding: 4px; font-size: 8px; text-align: center; }
  .try-tab > span { width: auto; font-size: 11px; }
  .try-panels { min-height: 330px; padding: 17px 13px; }
  .try-panel-head { gap: 8px; }
  .try-panel-head h3 { font-size: 13px; }
  .try-panel-head p { font-size: 9px; }
  .mini-action { min-height: 31px; padding-inline: 8px; font-size: 9px; }
  .try-card-foot { align-items: flex-start; flex-direction: column; gap: 7px; padding: 12px 14px; }
  .features { padding-top: 58px; padding-bottom: 72px; }
  .features-grid { grid-template-columns: 1fr; gap: 9px; margin-top: 27px; }
  .feature-item, .feature-item:last-child { min-height: 0; grid-column: auto; padding: 19px; }
  .feature-mark { margin-bottom: 17px; }
  .bottom-brand { min-height: 235px; }
  .bottom-brand img { width: min(170px,48vw); }
  .site-footer { min-height: 76px; flex-wrap: wrap; justify-content: center; padding: 13px 0; text-align: center; font-size: 9px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .fade-in, .reveal { opacity: 1; transform: none; filter: none; animation: none; }
  .circuit-wire { stroke-dashoffset: 0; }
}