/* UndoCRM landing — monochrome, kinetic, built around one idea: rewind. */
@font-face { font-family: "Inter Tight"; src: url("/site/fonts/inter-tight.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Instrument Serif"; src: url("/site/fonts/instrument-serif-italic.woff2") format("woff2"); font-style: italic; font-weight: 400; font-display: swap; }
@font-face { font-family: "Geist Mono"; src: url("/site/fonts/geist-mono.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }

:root {
  --ink: #0a0a0a;
  --ink-2: #111111;
  --ink-3: #171717;
  --paper: #fafafa;
  --t1: #f5f5f5;
  --t2: #a3a3a3;
  --t3: #737373;
  --t4: #4a4a4a;
  --hair: rgba(255, 255, 255, 0.08);
  --hair-2: rgba(255, 255, 255, 0.14);
  --err: #ff4d4d;
  --ok: #e5e5e5;
  --display: "Inter Tight", "Inter", -apple-system, sans-serif;
  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--ink); color: var(--t1); font: 16px/1.6 var(--display);
  -webkit-font-smoothing: antialiased; letter-spacing: -0.01em; overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; }
img { max-width: 100%; height: auto; }
::selection { background: var(--paper); color: var(--ink); }
:focus-visible { outline: 2px solid var(--paper); outline-offset: 3px; border-radius: 6px; }
.wrap { width: min(1200px, 100% - 48px); margin-inline: auto; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
em.s, .serif { font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: -0.01em; }

/* Ambient layers ------------------------------------------------------------------------ */
#field { position: fixed; inset: 0; width: 100vw; height: 100vh; z-index: 0; pointer-events: none; opacity: 0; transition: opacity 1.2s; }
#field.on { opacity: 1; }
.grain {
  position: fixed; inset: -50%; z-index: 1; pointer-events: none; opacity: 0.06; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 1.2s steps(6) infinite;
}
@keyframes grain { 0%, 100% { transform: translate(0, 0); } 20% { transform: translate(-4%, 3%); } 40% { transform: translate(3%, -5%); } 60% { transform: translate(-2%, 4%); } 80% { transform: translate(5%, 2%); } }
main, header.nav, footer { position: relative; z-index: 2; }

/* Nav ----------------------------------------------------------------------------------- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 30; transition: background 0.3s, border-color 0.3s, transform 0.5s var(--ease); border-bottom: 1px solid transparent; }
.nav.solid { background: rgba(10, 10, 10, 0.72); backdrop-filter: blur(18px) saturate(160%); -webkit-backdrop-filter: blur(18px) saturate(160%); border-bottom-color: var(--hair); }
.nav.hide { transform: translateY(-100%); }
.nav .wrap { display: flex; align-items: center; height: 68px; gap: 32px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 17px; letter-spacing: -0.03em; }
.brand svg { width: 26px; height: 24px; flex: none; color: var(--paper); transition: transform 0.8s var(--spring); }
.brand:hover svg { transform: rotate(-180deg); }
.links { display: flex; gap: 26px; font-size: 14px; color: var(--t2); }
.links a { position: relative; transition: color 0.2s; }
.links a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 1px; background: var(--paper); transform: scaleX(0); transform-origin: right; transition: transform 0.35s var(--ease); }
.links a:hover { color: var(--t1); }
.links a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav .end { margin-left: auto; display: flex; gap: 8px; align-items: center; }

.btn {
  --bg: rgba(255, 255, 255, 0.04);
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px; height: 44px; padding: 0 20px;
  border-radius: 999px; border: 1px solid var(--hair-2); background: var(--bg); color: var(--t1); font: 500 14.5px var(--display);
  cursor: pointer; white-space: nowrap; overflow: hidden; isolation: isolate;
  transition: transform 0.25s var(--spring), border-color 0.2s, background 0.2s, color 0.2s;
}
.btn:hover { border-color: rgba(255, 255, 255, 0.3); background: rgba(255, 255, 255, 0.08); }
.btn:active { transform: scale(0.97); }
.btn.solid { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.btn.solid::before {
  content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(110deg, transparent 30%, rgba(0, 0, 0, 0.12) 50%, transparent 70%);
  transform: translateX(-100%); transition: transform 0.7s var(--ease);
}
.btn.solid:hover { background: #fff; }
.btn.solid:hover::before { transform: translateX(100%); }
.btn.sm { height: 36px; padding: 0 16px; font-size: 13.5px; }
.btn svg { width: 16px; height: 16px; transition: transform 0.3s var(--spring); }
.btn:hover svg.arrow { transform: translateX(3px); }
kbd, .kbd {
  display: inline-flex; align-items: center; justify-content: center; min-width: 22px; height: 22px; padding: 0 6px; border-radius: 6px;
  font: 500 12px var(--mono); color: var(--t2); background: rgba(255, 255, 255, 0.05); border: 1px solid var(--hair-2); border-bottom-width: 2px;
}

/* Hero ------------------------------------------------------------------------------------ */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: grid; place-items: center; padding: 120px 0 60px; overflow: hidden; }
.hero-content { position: relative; z-index: 3; text-align: center; transition: opacity 0.9s var(--ease), transform 1.1s var(--ease), filter 0.9s; }
.intro .hero-content { opacity: 0; transform: translateY(24px) scale(0.98); filter: blur(12px); }
.kicker { display: inline-flex; align-items: center; gap: 10px; font: 500 13px var(--mono); color: var(--t2); letter-spacing: 0.02em; text-transform: uppercase; }
.kicker .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--paper); box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.6); animation: beat 2.4s infinite; }
@keyframes beat { 70% { box-shadow: 0 0 0 9px rgba(255, 255, 255, 0); } 100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0); } }
h1 {
  margin: 22px auto 0; max-width: 1100px; font: 600 clamp(48px, 9vw, 132px)/0.92 var(--display); letter-spacing: -0.055em;
  text-wrap: balance;
}
h1 .line { display: block; }
h1 .w { display: inline-block; }
h1 em { font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: -0.03em; padding-right: 0.06em;
  background: linear-gradient(180deg, #fff 20%, #8c8c8c); -webkit-background-clip: text; background-clip: text; color: transparent; }
.reveal-w .w { opacity: 0; transform: translateY(0.5em) rotate(4deg); filter: blur(8px); transition: opacity 0.9s var(--ease), transform 1s var(--ease), filter 0.9s; }
.reveal-w.on .w { opacity: 1; transform: none; filter: none; }
.lede { max-width: 700px; margin: 28px auto 0; font-size: clamp(17px, 2vw, 20px); color: var(--t2); line-height: 1.55; text-wrap: pretty; }
.lede b { color: var(--t1); font-weight: 500; }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 36px; }

/* The storm: what an unsupervised agent does to a CRM. */
.storm { position: absolute; inset: 0; z-index: 2; pointer-events: none; overflow: hidden; }
.act {
  position: absolute; white-space: nowrap; font: 400 13px/1 var(--mono); color: var(--t2); opacity: 0;
  transition: transform 0.9s var(--ease), opacity 0.4s, filter 0.6s, color 0.2s;
}
.act.on { opacity: 0.85; }
.act b { font-weight: 500; color: var(--t1); }
.act.bad { color: var(--err); text-shadow: 0 0 18px rgba(255, 77, 77, 0.55); }
.act.bad b { color: var(--err); }
.act.big { font-size: clamp(18px, 2.4vw, 30px); letter-spacing: -0.02em; }
.act.glitch { animation: glitch 0.24s steps(2) 3; }
@keyframes glitch { 0% { transform: translate(0); clip-path: inset(0 0 60% 0); } 50% { transform: translate(-6px, 1px); clip-path: inset(40% 0 0 0); } 100% { transform: translate(4px, -1px); clip-path: inset(0); } }
.act.rew { opacity: 0 !important; filter: blur(10px); }

.keycap {
  position: absolute; z-index: 4; left: 50%; top: 50%; width: 220px; height: 220px; margin: -110px 0 0 -110px; border-radius: 44px;
  display: grid; place-items: center; font: 600 86px var(--display); letter-spacing: -0.04em; color: var(--ink);
  background: linear-gradient(180deg, #ffffff, #d4d4d4); pointer-events: none;
  box-shadow: inset 0 -10px 0 #a3a3a3, inset 0 2px 0 #fff, 0 40px 120px rgba(255, 255, 255, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.6);
  opacity: 0; transform: scale(2.2) rotate(-8deg); filter: blur(20px);
}
.keycap span { display: flex; align-items: baseline; gap: 6px; }
.keycap small { font-size: 54px; font-weight: 500; }
.keycap.in { animation: keyIn 0.3s var(--ease) forwards; }
.keycap.press { animation: keyPress 0.22s var(--ease) forwards; }
.keycap.out { animation: keyOut 0.5s var(--ease) forwards; }
@keyframes keyIn { to { opacity: 1; transform: scale(1) rotate(0); filter: blur(0); } }
@keyframes keyPress { 0% { opacity: 1; transform: scale(1); } 50% { transform: scale(0.9) translateY(10px); box-shadow: inset 0 -3px 0 #a3a3a3, 0 10px 40px rgba(255, 255, 255, 0.5); } 100% { opacity: 1; transform: scale(1); } }
@keyframes keyOut { to { opacity: 0; transform: scale(0.4); filter: blur(16px); } }
.flash { position: absolute; inset: 0; z-index: 5; background: #fff; opacity: 0; pointer-events: none; mix-blend-mode: overlay; }
.flash.go { animation: flash 0.7s var(--ease); }
@keyframes flash { 10% { opacity: 0.55; } 100% { opacity: 0; } }

.clock {
  position: absolute; z-index: 4; left: 24px; bottom: 22px; font: 500 12px var(--mono); color: var(--t3); letter-spacing: 0.04em;
  display: flex; gap: 12px; align-items: center; transition: opacity 0.6s;
}
.clock .dir { color: var(--t1); }
.clock.rev .dir { color: var(--err); }
.skip { position: absolute; z-index: 6; right: 24px; bottom: 18px; font: 500 12px var(--mono); color: var(--t3); background: none; border: 0; cursor: pointer; transition: opacity 0.6s, color 0.2s; }
.skip:hover { color: var(--t1); }
.done .skip, .done .clock { opacity: 0; pointer-events: none; }

.mark-draw { position: absolute; z-index: 3; left: 50%; top: 50%; width: min(56vw, 560px); aspect-ratio: 640 / 590; height: auto; transform: translate(-50%, -50%); pointer-events: none; opacity: 0; }
.mark-draw path { fill: none; stroke: var(--paper); stroke-width: 2.2; stroke-dasharray: 3200; stroke-dashoffset: 3200; }
.mark-draw.go { animation: markFade 2.6s var(--ease) forwards; }
.mark-draw.go path { animation: draw 1.4s var(--ease) forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes markFade { 0% { opacity: 1; } 55% { opacity: 0.9; } 100% { opacity: 0.06; transform: translate(-50%, -50%) scale(1.5); } }
.watermark { position: absolute; z-index: 1; left: 50%; top: 50%; width: min(120vw, 1500px); aspect-ratio: 640 / 590; height: auto; transform: translate(-50%, -50%); opacity: 0.035; pointer-events: none; color: var(--paper); }

/* Scrubber */
.scrub { margin: 64px auto 0; width: min(880px, 100%); text-align: left; }
.scrub-head { display: flex; align-items: baseline; gap: 12px; font: 500 12px var(--mono); color: var(--t3); text-transform: uppercase; letter-spacing: 0.05em; }
.scrub-head .now { margin-left: auto; color: var(--t1); text-transform: none; letter-spacing: 0; }
.track { position: relative; height: 48px; margin-top: 10px; cursor: ew-resize; touch-action: none; user-select: none; }
.track .rail { position: absolute; left: 0; right: 0; top: 23px; height: 2px; background: var(--hair-2); border-radius: 2px; }
.track .fill { position: absolute; left: 0; top: 23px; height: 2px; background: var(--paper); border-radius: 2px; }
.track .ev { position: absolute; top: 18px; width: 12px; height: 12px; margin-left: -6px; border-radius: 50%; background: var(--ink); border: 2px solid var(--t3); transition: border-color 0.2s, transform 0.3s var(--spring), background 0.2s; }
.track .ev.past { border-color: var(--paper); background: var(--paper); }
.track .ev.bad.past { border-color: var(--err); background: var(--err); box-shadow: 0 0 16px rgba(255, 77, 77, 0.6); }
.track .handle {
  position: absolute; top: 6px; width: 36px; height: 36px; margin-left: -18px; border-radius: 50%; background: var(--paper);
  display: grid; place-items: center; color: var(--ink); box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.08), 0 10px 30px rgba(0, 0, 0, 0.5);
  transition: transform 0.2s var(--spring);
}
.track:active .handle, .track .handle:hover { transform: scale(1.12); }
.track .handle svg { width: 16px; height: 16px; }
.record {
  margin-top: 18px; display: grid; grid-template-columns: auto 1fr; gap: 18px 22px; align-items: center; padding: 18px 20px; border-radius: 16px;
  background: rgba(17, 17, 17, 0.7); border: 1px solid var(--hair); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.record .who { display: flex; align-items: center; gap: 12px; grid-column: 1 / -1; }
.record .av { width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(135deg, #fafafa, #737373); color: var(--ink); display: grid; place-items: center; font: 600 15px var(--display); }
.record .who b { font-size: 17px; font-weight: 600; letter-spacing: -0.02em; }
.record .who span { color: var(--t3); font-size: 13.5px; }
.record .fields { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--hair); border-radius: 10px; overflow: hidden; }
.record .f { background: var(--ink-2); padding: 10px 12px; min-width: 0; }
.record .f i { display: block; font: normal 500 11px var(--mono); color: var(--t3); text-transform: uppercase; letter-spacing: 0.06em; }
.record .f span { display: block; margin-top: 2px; font-size: 14.5px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: color 0.3s; }
.record .f.changed span { animation: changed 0.6s var(--ease); }
.record .f.bad span { color: var(--err); }
@keyframes changed { 0% { opacity: 0; transform: translateY(-8px); filter: blur(4px); } 100% { opacity: 1; transform: none; filter: none; } }
.record .msg { grid-column: 1 / -1; font: 13px var(--mono); color: var(--t2); min-height: 20px; }
.record .msg .bad { color: var(--err); }

/* Sections ----------------------------------------------------------------------------------- */
section { position: relative; padding: 160px 0; }
.label { display: inline-flex; align-items: center; gap: 10px; font: 500 12.5px var(--mono); color: var(--t3); text-transform: uppercase; letter-spacing: 0.08em; }
.label::before { content: ""; width: 18px; height: 1px; background: var(--t3); }
h2 { margin: 20px 0 0; font: 600 clamp(38px, 6vw, 84px)/0.96 var(--display); letter-spacing: -0.05em; max-width: 980px; text-wrap: balance; }
h2 em { font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: -0.02em; color: var(--t2); }
.sub { margin: 24px 0 0; max-width: 620px; color: var(--t2); font-size: 19px; line-height: 1.55; text-wrap: pretty; }

.up { opacity: 0; transform: translateY(40px); transition: opacity 1s var(--ease), transform 1.2s var(--ease); }
.up.in { opacity: 1; transform: none; }
.d1 { transition-delay: 0.08s; } .d2 { transition-delay: 0.16s; } .d3 { transition-delay: 0.24s; } .d4 { transition-delay: 0.32s; }

/* Mistakes: each line strikes itself out and corrects as you scroll. */
.mistakes { padding-top: 120px; }
.ledger { margin-top: 80px; display: flex; flex-direction: column; gap: 6px; }
.m { position: relative; padding: 34px 0; border-top: 1px solid var(--hair); display: grid; grid-template-columns: 120px 1fr; gap: 24px; }
.m:last-child { border-bottom: 1px solid var(--hair); }
.m .id { font: 500 12px var(--mono); color: var(--t4); padding-top: 14px; transition: color 0.6s; }
/* The strike is a background on the inline text, cloned onto every line it wraps to. */
.m .wrong {
  display: inline; font: 500 clamp(26px, 4vw, 52px)/1.12 var(--display); letter-spacing: -0.035em; color: var(--t1);
  background: linear-gradient(var(--err), var(--err)) no-repeat 0 56% / 0% clamp(2px, 0.35vw, 4px);
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
  transition: color 0.8s var(--ease), background-size 1s var(--ease);
}
.m .fix { display: flex; align-items: first baseline; gap: 14px; margin-top: 16px; font-size: clamp(17px, 2vw, 22px); color: var(--t2); opacity: 0; transform: translateX(-16px); transition: opacity 0.8s var(--ease) 0.5s, transform 0.8s var(--ease) 0.5s; }
.m .fix .kbd { flex: none; }
.m .fix b { color: var(--t1); font-weight: 500; }
.m.fixed .wrong { color: var(--t4); }
.m.fixed .wrong { background-size: 100% clamp(2px, 0.35vw, 4px); }
.m.fixed .fix { opacity: 1; transform: none; }
.m.fixed .id { color: var(--t2); }

/* Compare: the old way fades back, UndoCRM's column lights up row by row. */
.vs { margin-top: 64px; border: 1px solid var(--hair); border-radius: 20px; overflow: hidden; background: rgba(255, 255, 255, 0.015); }
.vs-r { display: grid; grid-template-columns: 1fr 1.2fr 1.5fr; border-top: 1px solid var(--hair); transition: background 0.3s; }
.vs-r:first-child { border-top: 0; }
.vs-r > span { padding: 20px 28px; font-size: 16px; line-height: 1.45; }
.vs-r > span:nth-child(1) { font: 500 12px/1.45 var(--mono); color: var(--t3); text-transform: uppercase; letter-spacing: 0.06em; padding-top: 23px; }
.vs-r > span:nth-child(2) { color: var(--t3); }
.vs-r > span:nth-child(3) { color: var(--t1); font-weight: 500; border-left: 1px solid var(--hair); background: rgba(255, 255, 255, 0.03); }
.vs-r:not(.vs-h):hover { background: rgba(255, 255, 255, 0.025); }
.vs-h > span { font: 500 12px var(--mono) !important; text-transform: uppercase; letter-spacing: 0.06em; color: var(--t3) !important; padding-top: 18px !important; padding-bottom: 18px !important; }
.vs-h > span:nth-child(3) { color: var(--t1) !important; display: flex; align-items: center; gap: 10px; }
.vs-h svg { width: 18px; height: 17px; color: var(--t1); }
.vs .vs-r:not(.vs-h) > span:nth-child(3) { opacity: 0.15; transform: translateX(-10px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.vs.in .vs-r:not(.vs-h) > span:nth-child(3) { opacity: 1; transform: none; }
.vs.in .vs-r:nth-child(2) > span:nth-child(3) { transition-delay: 0.25s; }
.vs.in .vs-r:nth-child(3) > span:nth-child(3) { transition-delay: 0.37s; }
.vs.in .vs-r:nth-child(4) > span:nth-child(3) { transition-delay: 0.49s; }
.vs.in .vs-r:nth-child(5) > span:nth-child(3) { transition-delay: 0.61s; }
.vs.in .vs-r:nth-child(6) > span:nth-child(3) { transition-delay: 0.73s; }
.vs.in .vs-r:nth-child(7) > span:nth-child(3) { transition-delay: 0.85s; }
.vs.in .vs-r:nth-child(8) > span:nth-child(3) { transition-delay: 0.97s; }

/* Pricing: five plans, same weight; only the numbers differ. */
.plans { margin-top: 64px; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.plan {
  display: flex; flex-direction: column; padding: 26px 22px 22px; border-radius: 20px; border: 1px solid var(--hair);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.01)); transition: border-color 0.3s, transform 0.5s var(--ease), background 0.3s;
}
.plan:hover { border-color: var(--hair-2); background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015)); }
.plan h3 { margin: 0; font: 500 12px var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--t2); }
.plan .price { margin: 18px 0 22px; display: flex; align-items: baseline; gap: 4px; }
.plan .price b { font: 600 clamp(34px, 3.2vw, 46px)/1 var(--display); letter-spacing: -0.045em; color: var(--t1); }
.plan .price span { font: italic 400 20px var(--serif); color: var(--t3); }
.plan dl { margin: 0 0 24px; display: flex; flex-direction: column; border-top: 1px solid var(--hair); flex: 1; }
.plan dl > div { padding: 12px 0; border-bottom: 1px solid var(--hair); }
.plan dt { font: 500 11px var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--t4); }
.plan dd { margin: 4px 0 0; font-size: 15px; color: var(--t1); }
.plan .btn { justify-content: center; width: 100%; }

/* Loop: pinned, horizontal. */
.loop { padding: 0; height: 360vh; }
.loop .pin { position: sticky; top: 0; height: 100vh; overflow: hidden; display: flex; flex-direction: column; justify-content: center; }
.loop .head { margin-bottom: 56px; }
.rail-h { display: flex; gap: 22px; will-change: transform; padding-left: max(24px, calc((100vw - 1200px) / 2)); }
.panel {
  flex: 0 0 min(560px, 82vw); height: min(440px, 56vh); border-radius: 26px; border: 1px solid var(--hair); background: linear-gradient(180deg, rgba(23, 23, 23, 0.9), rgba(10, 10, 10, 0.9));
  padding: 34px; display: flex; flex-direction: column; position: relative; overflow: hidden;
}
.panel .num { position: absolute; right: -10px; top: -40px; font: 700 260px/1 var(--display); letter-spacing: -0.08em; color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, 0.1); }
.panel h3 { margin: auto 0 0; font: 600 40px/1 var(--display); letter-spacing: -0.04em; }
.panel p { margin: 14px 0 0; color: var(--t2); font-size: 17px; max-width: 420px; }
.panel code { margin-top: 22px; align-self: flex-start; font: 500 14px var(--mono); padding: 8px 12px; border-radius: 10px; background: rgba(255, 255, 255, 0.06); border: 1px solid var(--hair); }
.panel .term { font: 12.5px/1.7 var(--mono); color: var(--t3); margin-top: 6px; }
.panel .term .ok { color: var(--t1); font-weight: 600; }
.panel.end { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.panel.end p { color: #404040; }
.panel.end .num { -webkit-text-stroke-color: rgba(0, 0, 0, 0.12); }
.panel.end code { background: rgba(0, 0, 0, 0.06); border-color: rgba(0, 0, 0, 0.1); }
.progress { margin-top: 44px; height: 1px; background: var(--hair-2); position: relative; width: min(1200px, 100% - 48px); margin-inline: auto; }
.progress i { position: absolute; left: 0; top: -1px; height: 3px; background: var(--paper); width: 0; }

/* Interactive undo demo */
.demo { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 22px; margin-top: 72px; }
.card {
  border-radius: 22px; border: 1px solid var(--hair); background: rgba(17, 17, 17, 0.75); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  overflow: hidden;
}
.card-h { display: flex; align-items: center; gap: 10px; height: 52px; padding: 0 20px; border-bottom: 1px solid var(--hair); font: 500 12.5px var(--mono); color: var(--t3); text-transform: uppercase; letter-spacing: 0.06em; }
.card-h .end { margin-left: auto; text-transform: none; letter-spacing: 0; }
.contact { padding: 26px; }
.contact .top { display: flex; align-items: center; gap: 16px; }
.contact .av { width: 56px; height: 56px; border-radius: 16px; background: linear-gradient(135deg, #fafafa, #6b6b6b); color: var(--ink); display: grid; place-items: center; font: 700 20px var(--display); }
.contact h3 { margin: 0; font: 600 26px/1.1 var(--display); letter-spacing: -0.035em; }
.contact .role { color: var(--t3); font-size: 14px; margin-top: 2px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 18px; min-height: 30px; }
.chip { display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 12px; border-radius: 14px; border: 1px solid var(--hair-2); font-size: 13px; color: var(--t2); transition: all 0.4s var(--ease); }
.chip.red { color: var(--err); border-color: rgba(255, 77, 77, 0.4); background: rgba(255, 77, 77, 0.08); }
.chip.gone { opacity: 0; transform: scale(0.6); width: 0; padding: 0; margin: 0; border-width: 0; }
.props { margin-top: 22px; border-top: 1px solid var(--hair); }
.prop { display: grid; grid-template-columns: 130px 1fr; gap: 12px; padding: 13px 0; border-bottom: 1px solid var(--hair); font-size: 14.5px; }
.prop i { font-style: normal; color: var(--t3); }
.prop span { position: relative; transition: color 0.4s; }
.prop.flip span { animation: flip 0.7s var(--ease); }
.prop.bad span { color: var(--err); }
@keyframes flip { 0% { opacity: 0; transform: translateY(10px) rotateX(70deg); filter: blur(4px); } 100% { opacity: 1; transform: none; filter: none; } }
.prop .was { margin-left: 10px; font: 12px var(--mono); color: var(--t4); }
.log { padding: 8px 0; }
.li { display: grid; grid-template-columns: 30px 1fr auto; gap: 12px; align-items: center; padding: 14px 20px; transition: background 0.2s, opacity 0.4s; }
.li:hover { background: rgba(255, 255, 255, 0.025); }
.li .ic { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; border: 1px solid var(--hair-2); color: var(--t2); }
.li .ic svg { width: 14px; height: 14px; }
.li.bad .ic { color: var(--err); border-color: rgba(255, 77, 77, 0.35); background: rgba(255, 77, 77, 0.06); }
.li .tx { font-size: 14.5px; color: var(--t2); min-width: 0; }
.li .tx b { color: var(--t1); font-weight: 500; }
.li .tx small { display: block; font: 11.5px var(--mono); color: var(--t4); margin-top: 2px; }
.li.undone .tx { text-decoration: line-through; text-decoration-color: var(--t3); color: var(--t4); }
.li.undone .tx b { color: var(--t3); }
.ubtn {
  height: 32px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--hair-2); background: transparent; color: var(--t1);
  font: 500 13px var(--display); cursor: pointer; display: inline-flex; align-items: center; gap: 6px; transition: all 0.2s;
}
.ubtn:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.ubtn svg { width: 13px; height: 13px; }
.li.undone .ubtn { color: var(--t3); }
.demo-hint { margin-top: 18px; font: 13px var(--mono); color: var(--t3); display: flex; gap: 10px; align-items: center; }

/* Numbers */
.marquee { margin-top: 90px; border-block: 1px solid var(--hair); overflow: hidden; white-space: nowrap; padding: 26px 0; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee .row { display: inline-flex; gap: 56px; animation: marq 38s linear infinite; font: 500 clamp(22px, 3vw, 36px) var(--display); letter-spacing: -0.03em; color: var(--t2); }
.marquee .row b { color: var(--t1); font-weight: 600; }
.marquee .row span::after { content: "✕"; margin-left: 56px; color: var(--t4); font-size: 0.6em; vertical-align: middle; }
@keyframes marq { to { transform: translateX(-50%); } }
.nums { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 70px; border-top: 1px solid var(--hair); }
.num-c { padding: 34px 26px 10px 0; }
.num-c + .num-c { padding-left: 26px; border-left: 1px solid var(--hair); }
.num-c .v { font: 600 clamp(48px, 6vw, 88px)/1 var(--display); letter-spacing: -0.06em; font-variant-numeric: tabular-nums; }
.num-c .l { margin-top: 14px; color: var(--t2); font-size: 15px; max-width: 220px; }
.foot-note { margin-top: 26px; font: 12.5px var(--mono); color: var(--t3); }
.foot-note a { color: var(--t2); text-decoration: underline; text-decoration-color: var(--t4); text-underline-offset: 3px; }

/* Bento */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; margin-top: 72px; }
.b { position: relative; border-radius: 24px; border: 1px solid var(--hair); background: rgba(17, 17, 17, 0.7); padding: 28px; overflow: hidden; min-height: 300px; display: flex; flex-direction: column; transition: border-color 0.3s; }
.b:hover { border-color: var(--hair-2); }
.b::before { content: ""; position: absolute; inset: 0; background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(255, 255, 255, 0.07), transparent 60%); opacity: 0; transition: opacity 0.3s; pointer-events: none; }
.b:hover::before { opacity: 1; }
.b.w3 { grid-column: span 3; } .b.w2 { grid-column: span 2; } .b.w4 { grid-column: span 4; }
.b h3 { margin: auto 0 0; font: 600 23px/1.15 var(--display); letter-spacing: -0.03em; }
.b p { margin: 10px 0 0; color: var(--t2); font-size: 15px; line-height: 1.55; max-width: 460px; }
.viz { position: relative; height: 150px; margin-bottom: 18px; }
/* merge viz */
.idchip { position: absolute; left: 50%; top: 50%; height: 34px; padding: 0 14px; border-radius: 17px; border: 1px solid rgba(255,255,255,.22); background: rgba(255,255,255,.06); font: 13px/32px var(--mono); color: var(--t1); box-shadow: 0 8px 24px rgba(0,0,0,.5); white-space: nowrap; transform: translate(-50%, -50%); }
.merge .idchip:nth-child(1) { animation: m1 5s var(--ease) infinite; }
.merge .idchip:nth-child(2) { animation: m2 5s var(--ease) infinite; }
.merge .idchip:nth-child(3) { animation: m3 5s var(--ease) infinite; }
.merge .one { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); padding: 12px 18px; border-radius: 14px; background: var(--paper); color: var(--ink); font-weight: 600; opacity: 0; animation: mOne 5s var(--ease) infinite; white-space: nowrap; }
@keyframes m1 { 0%, 15% { transform: translate(-115%, -160%); opacity: 1; } 45%, 75% { transform: translate(-50%, -50%); opacity: 0; } 100% { transform: translate(-115%, -160%); opacity: 1; } }
@keyframes m2 { 0%, 15% { transform: translate(10%, -50%); opacity: 1; } 45%, 75% { transform: translate(-50%, -50%); opacity: 0; } 100% { transform: translate(10%, -50%); opacity: 1; } }
@keyframes m3 { 0%, 15% { transform: translate(-105%, 60%); opacity: 1; } 45%, 75% { transform: translate(-50%, -50%); opacity: 0; } 100% { transform: translate(-105%, 60%); opacity: 1; } }
@keyframes mOne { 0%, 28% { opacity: 0; transform: translate(-50%, -50%) scale(0.8); } 40%, 78% { opacity: 1; transform: translate(-50%, -50%) scale(1); } 90%, 100% { opacity: 0; transform: translate(-50%, -50%) scale(0.8); } }
/* stack viz */
.stack { display: flex; flex-direction: column; gap: 8px; justify-content: flex-end; }
.stack div { height: 34px; border-radius: 10px; border: 1px solid var(--hair-2); background: var(--ink-2); font: 13px/32px var(--mono); padding: 0 12px; color: var(--t3); }
.stack div:last-child { color: var(--ink); background: var(--paper); border-color: var(--paper); animation: push 4s var(--ease) infinite; }
.stack div:nth-child(1) { text-decoration: line-through; opacity: 0.5; }
@keyframes push { 0%, 20% { transform: translateY(-14px); opacity: 0; } 35%, 100% { transform: none; opacity: 1; } }
/* lock viz */
.lockv { display: grid; place-items: center; }
.lockv .ring { position: absolute; width: 120px; height: 120px; border-radius: 50%; border: 1px dashed var(--hair-2); animation: spin 18s linear infinite; }
.lockv .ring::after { content: ""; position: absolute; top: -5px; left: 50%; width: 10px; height: 10px; border-radius: 50%; background: var(--paper); }
.lockv .ring.r2 { width: 76px; height: 76px; animation-duration: 9s; animation-direction: reverse; }
.lockv .ring.r2::after { background: var(--err); }
.lockv svg { width: 34px; height: 34px; color: var(--t1); }
@keyframes spin { to { transform: rotate(360deg); } }
/* tokens viz */
.tok { font: 600 72px/150px var(--display); letter-spacing: -0.06em; }
.tok small { font: 500 14px var(--mono); color: var(--t3); letter-spacing: 0; margin-left: 8px; }
/* stop viz */
.stopv { display: flex; align-items: center; justify-content: center; }
.stopv .pill { padding: 12px 18px; border-radius: 999px; border: 1px solid rgba(255, 77, 77, 0.4); color: var(--err); font: 500 14px var(--mono); background: rgba(255, 77, 77, 0.06); animation: tremble 4s infinite; }
@keyframes tremble { 0%, 86%, 100% { transform: none; } 88% { transform: translateX(-4px); } 90% { transform: translateX(4px); } 92% { transform: translateX(-3px); } 94% { transform: translateX(2px); } }
/* undo viz */
.undov { display: grid; place-items: center; }
.undov .big { font: 600 88px/1 var(--display); letter-spacing: -0.05em; display: flex; align-items: center; gap: 4px; }
.undov .big .k { padding: 10px 22px; border-radius: 22px; background: var(--paper); color: var(--ink); box-shadow: inset 0 -6px 0 #a3a3a3; animation: tap 3s var(--ease) infinite; }
@keyframes tap { 0%, 70%, 100% { transform: none; box-shadow: inset 0 -6px 0 #a3a3a3; } 76% { transform: translateY(5px); box-shadow: inset 0 -1px 0 #a3a3a3; } }

/* Code */
.connect { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: center; }
.connect > * { min-width: 0; } /* let the long command ellipsize instead of widening its column */
.term-card { border-radius: 22px; border: 1px solid var(--hair-2); background: rgba(12, 12, 12, 0.9); overflow: hidden; box-shadow: 0 40px 120px -40px rgba(0, 0, 0, 0.9); }
.tabs { display: flex; gap: 4px; padding: 10px 12px 0; border-bottom: 1px solid var(--hair); }
.tabs button { all: unset; cursor: pointer; padding: 9px 14px 12px; font: 500 13px var(--mono); color: var(--t3); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs button[aria-selected="true"] { color: var(--t1); border-bottom-color: var(--paper); }
.term-card pre { margin: 0; padding: 22px 24px; font: 13px/1.8 var(--mono); color: var(--t2); overflow-x: auto; }
.term-card pre[hidden] { display: none; }
.k { color: var(--t1); font-weight: 600; } .s { color: #c8c8c8; } .c { color: var(--t4); } .o { color: var(--t1); }
.cmdline { display: flex; align-items: center; gap: 12px; margin-top: 30px; padding: 8px 8px 8px 16px; border-radius: 14px; border: 1px solid var(--hair-2); background: rgba(255, 255, 255, 0.02); font: 13px var(--mono); color: var(--t2); max-width: 100%; }
.cmdline span { line-height: 1.65; overflow-wrap: anywhere; padding: 4px 0; }
.cmdline .copy { flex: none; height: 32px; padding: 0 12px; border-radius: 9px; border: 1px solid var(--hair-2); background: var(--ink-3); color: var(--t1); font: 500 12.5px var(--display); cursor: pointer; }

/* Builders tree */
.tree { margin-top: 10px; display: grid; gap: 10px; }
.node { display: flex; align-items: center; gap: 12px; padding: 16px 18px; border-radius: 14px; border: 1px solid var(--hair); background: rgba(17, 17, 17, 0.7); min-width: 0; }
.node b { font-weight: 600; white-space: nowrap; }
.node .t { color: var(--t3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.node .k2 { margin-left: auto; font: 12px var(--mono); color: var(--t4); white-space: nowrap; }
.node svg { width: 18px; height: 18px; flex: none; color: var(--t1); }
.node.l2 { margin-left: 32px; } .node.l3 { margin-left: 64px; }

/* FAQ */
.faq { margin-top: 64px; border-top: 1px solid var(--hair); }
.faq details { border-bottom: 1px solid var(--hair); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 28px 0; font: 500 clamp(19px, 2.2vw, 24px)/1.25 var(--display); letter-spacing: -0.025em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .pm { flex: none; width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--hair-2); display: grid; place-items: center; transition: transform 0.4s var(--spring), background 0.2s; }
.faq summary .pm::before { content: "+"; font: 300 22px/1 var(--display); color: var(--t2); }
.faq details[open] summary .pm { transform: rotate(45deg); background: var(--paper); }
.faq details[open] summary .pm::before { color: var(--ink); }
.faq .a { padding: 0 64px 30px 0; color: var(--t2); font-size: 17px; line-height: 1.7; max-width: 860px; }
.faq .a code { font: 14px var(--mono); color: var(--t1); background: rgba(255, 255, 255, 0.06); padding: 1px 6px; border-radius: 5px; }

/* Final */
.final { text-align: center; padding: 200px 0 160px; overflow: hidden; }
.final .flipmark { width: min(300px, 50vw); margin: 0 auto 50px; perspective: 1000px; }
.final .flipmark svg { width: 100%; aspect-ratio: 640 / 590; height: auto; color: var(--paper); animation: flipY 8s var(--ease) infinite; filter: drop-shadow(0 30px 80px rgba(255, 255, 255, 0.18)); }
@keyframes flipY { 0%, 30% { transform: rotateY(0) rotateZ(0); } 50%, 80% { transform: rotateY(180deg) rotateZ(0); } 100% { transform: rotateY(360deg); } }
.final h2 { margin: 0 auto; font-size: clamp(48px, 9vw, 140px); max-width: none; }
.final .sub { margin: 26px auto 0; }
.final .cta { margin-top: 42px; }
.domain { margin-top: 70px; font: 600 clamp(64px, 16vw, 260px)/0.8 var(--display); letter-spacing: -0.07em; color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, 0.14); user-select: none; white-space: nowrap; }

footer { border-top: 1px solid var(--hair); padding: 60px 0 70px; color: var(--t3); font-size: 14px; }
footer .cols { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 32px; }
footer h4 { margin: 0 0 14px; font: 500 12px var(--mono); color: var(--t2); text-transform: uppercase; letter-spacing: 0.06em; }
footer a { display: block; padding: 4px 0; transition: color 0.2s; }
footer a:hover { color: var(--t1); }

/* Session log (⌘Z anywhere) */
.hud {
  position: fixed; z-index: 40; left: 20px; bottom: 20px; display: flex; flex-direction: column; align-items: flex-start; gap: 8px;
  opacity: 0; transform: translateY(12px); transition: opacity 0.5s, transform 0.5s var(--ease); pointer-events: none;
}
.hud.show { opacity: 1; transform: none; pointer-events: auto; }
.hud-pill {
  display: inline-flex; align-items: center; gap: 10px; height: 40px; padding: 0 8px 0 14px; border-radius: 999px; cursor: pointer;
  background: rgba(17, 17, 17, 0.85); border: 1px solid var(--hair-2); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  font: 500 12.5px var(--mono); color: var(--t2); box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}
.hud-pill .n { color: var(--t1); }
.hud-pill .rec { width: 7px; height: 7px; border-radius: 50%; background: var(--err); animation: beat 2s infinite; box-shadow: 0 0 0 0 rgba(255, 77, 77, 0.6); }
.hud-panel {
  width: 320px; max-height: 300px; overflow: auto; border-radius: 16px; background: rgba(17, 17, 17, 0.92); border: 1px solid var(--hair-2);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6); padding: 8px; display: none;
}
.hud.open .hud-panel { display: block; animation: pop 0.25s var(--ease); }
@keyframes pop { from { opacity: 0; transform: translateY(8px) scale(0.98); } }
.hud-panel .hp-h { font: 500 11.5px var(--mono); color: var(--t3); padding: 8px 10px; text-transform: uppercase; letter-spacing: 0.06em; }
.hud-panel .e { display: flex; gap: 10px; align-items: baseline; padding: 8px 10px; border-radius: 8px; font-size: 13px; color: var(--t2); }
.hud-panel .e time { font: 11px var(--mono); color: var(--t4); flex: none; }
.hud-panel .e.u { text-decoration: line-through; color: var(--t4); }
.toast {
  position: fixed; z-index: 50; left: 50%; bottom: 28px; transform: translate(-50%, 20px); opacity: 0; pointer-events: none;
  display: flex; align-items: center; gap: 12px; padding: 12px 18px; border-radius: 999px; background: var(--paper); color: var(--ink);
  font: 500 14px var(--display); box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6); transition: opacity 0.3s, transform 0.4s var(--spring);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast .kbd { color: var(--ink); background: rgba(0, 0, 0, 0.06); border-color: rgba(0, 0, 0, 0.15); }

/* Responsive */
@media (max-width: 980px) {
  .links { display: none; }
  .demo, .connect { grid-template-columns: 1fr; }
  .plans { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bento { grid-template-columns: 1fr 1fr; }
  .b.w3, .b.w2, .b.w4 { grid-column: span 2; }
  .nums { grid-template-columns: 1fr 1fr; }
  .num-c:nth-child(3) { padding-left: 0; border-left: 0; }
  .record .fields { grid-template-columns: 1fr 1fr; }
  footer .cols { grid-template-columns: 1fr 1fr; }
  .loop { height: auto; }
  .loop .pin { position: static; height: auto; padding: 120px 0; }
  .rail-h { flex-direction: column; padding: 0 24px; transform: none !important; }
  .panel { flex: none; width: 100%; height: auto; min-height: 320px; }
  .progress { display: none; }
}
@media (max-width: 600px) {
  .wrap { width: calc(100% - 32px); }
  section { padding: 110px 0; }
  .nav .end .btn:not(.solid) { display: none; }
  .m { grid-template-columns: 1fr; gap: 8px; }
  .vs-r { grid-template-columns: 1fr 1fr; }
  .plans { grid-template-columns: 1fr; }
  .vs-r > span:nth-child(1) { grid-column: 1 / -1; padding: 16px 18px 0; }
  .vs-r > span { padding: 10px 18px 16px; font-size: 15px; }
  .vs-h > span:nth-child(1) { display: none; }
  .m .id { padding-top: 0; }
  .keycap { width: 150px; height: 150px; margin: -75px 0 0 -75px; font-size: 58px; border-radius: 32px; }
  .keycap small { font-size: 36px; }
  .node .k2 { display: none; }
  .node.l2 { margin-left: 14px; } .node.l3 { margin-left: 28px; }
  .cmdline { display: none; }
  .hud { display: none; }
  .faq .a { padding-right: 0; }
  .domain { -webkit-text-stroke-width: 0.6px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .up, .reveal-w .w { opacity: 1 !important; transform: none !important; filter: none !important; }
  .intro .hero-content { opacity: 1; transform: none; filter: none; }
  .storm, .keycap, .mark-draw, .skip, .clock { display: none; }
}

footer .brand svg { width: 22px; height: 20px; }