/* Landing "De una idea a una aplicación real" — estética de lanzamiento de producto */
.cx {
  --bg: #070808;
  --bg2: #0e1010;
  --line: rgba(255, 255, 255, 0.08);
  --line2: rgba(255, 255, 255, 0.16);
  --fg: #f3f2ec;
  --dim: rgba(243, 242, 236, 0.56);
  --acc: #d7ff3c;
  --acc-ink: #0a0b05;
  --warm: #ff8a3d;
  --sans: "Space Grotesk", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  min-height: 100vh;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  position: relative;
}
.cx *, .cx *::before, .cx *::after { box-sizing: border-box; }
.cx a { color: inherit; text-decoration: none; }
:where(.cx) :where(h1, h2, h3, p, ul, ol, figure, blockquote) { margin: 0; padding: 0; }
:where(.cx) :where(ul, ol) { list-style: none; }
html:has(.cx) { scroll-behavior: smooth; background: #070808; }

.cx-grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 1; opacity: 0.05;
  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 baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.cx-wrap { width: min(1160px, 100% - 40px); margin-inline: auto; position: relative; z-index: 2; }
.cx-center { text-align: center; }
.cx-dim { color: var(--dim); }
.cx-hl { color: var(--acc); }

/* reveal */
.cx-r { opacity: 0; transform: translateY(22px); transition: opacity 0.9s cubic-bezier(.2,.7,.2,1), transform 0.9s cubic-bezier(.2,.7,.2,1); }
.cx-r.cx-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .cx-r { opacity: 1; transform: none; transition: none; } }

/* type */
.cx-eyebrow, .cx-stage__tag {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--acc); margin-bottom: 18px;
}
.cx-h2 { font-size: clamp(34px, 5vw, 60px); line-height: 1.02; letter-spacing: -0.035em; font-weight: 600; }
.cx-h2 em, .cx-h2 em { font-style: normal; color: var(--dim); font-weight: 400; }
.cx-h3 { font-size: clamp(28px, 3.4vw, 42px); line-height: 1.05; letter-spacing: -0.03em; font-weight: 600; margin-bottom: 16px; }
.cx-h3--xl { font-size: clamp(34px, 5vw, 64px); }
.cx-lead { font-size: clamp(17px, 1.4vw, 20px); line-height: 1.55; color: var(--dim); max-width: 640px; }
.cx-lead i { color: var(--fg); }
.cx-mega { font-size: clamp(48px, 9vw, 128px); line-height: 0.95; letter-spacing: -0.05em; font-weight: 700; }
.cx-mega .cx-hl { display: block; }
.cx-micro { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--dim); margin-top: 14px; }

/* buttons */
.cx-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  background: var(--acc); color: var(--acc-ink) !important; font-weight: 600; letter-spacing: -0.01em;
  padding: 14px 22px; border-radius: 999px; font-size: 15px; text-transform: none;
  box-shadow: 0 0 0 0 rgba(215,255,60,.5), 0 10px 40px -10px rgba(215,255,60,.45);
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
  min-height: 48px; cursor: pointer; border: 0;
}
.cx-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; transition: transform .25s ease; }
.cx-btn:hover { transform: translateY(-2px); box-shadow: 0 0 0 6px rgba(215,255,60,.12), 0 18px 50px -12px rgba(215,255,60,.6); }
.cx-btn:hover svg { transform: translateX(4px); }
.cx-btn:active { transform: translateY(0) scale(.98); }
.cx-btn:focus-visible { outline: 2px solid var(--fg); outline-offset: 3px; }
.cx-btn--lg { padding: 20px 30px; font-size: 17px; min-height: 60px; text-transform: uppercase; letter-spacing: .02em; }
.cx-btn--sm { padding: 10px 18px; font-size: 14px; min-height: 42px; }
.cx-btn--block { width: 100%; }

/* nav */
.cx-nav { position: sticky; top: 0; z-index: 30; backdrop-filter: blur(14px); background: rgba(7,8,8,.7); border-bottom: 1px solid var(--line); }
.cx-nav__in { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 24px; }
.cx-logo { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -.01em; }
.cx-logo__dot { width: 10px; height: 10px; border-radius: 3px; background: var(--acc); box-shadow: 0 0 16px var(--acc); }
.cx-nav__links { display: flex; gap: 30px; font-size: 14px; color: var(--dim); }
.cx-nav__links a:hover { color: var(--fg); }

/* progress */
.cx-progress {
  position: fixed; top: 80px; left: 50%; transform: translate(-50%, -12px); z-index: 25;
  display: flex; gap: 4px; padding: 5px; border-radius: 999px; background: rgba(14,16,16,.85); border: 1px solid var(--line2);
  backdrop-filter: blur(12px); opacity: 0; pointer-events: none; transition: opacity .4s, transform .4s;
}
.cx-progress--on { opacity: 1; transform: translate(-50%, 0); }
.cx-progress span { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; padding: 7px 12px; border-radius: 999px; color: var(--dim); transition: all .35s; }
.cx-progress span.is-done { color: var(--fg); }
.cx-progress span.is-active { background: var(--acc); color: var(--acc-ink); }

/* hero */
.cx-hero { position: relative; min-height: calc(100svh - 68px); display: flex; align-items: center; padding: 80px 0 90px; overflow: hidden; }
.cx-hero__glow, .cx-final .cx-hero__glow {
  position: absolute; width: 900px; height: 900px; left: 50%; top: 40%; transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(215,255,60,.14), rgba(255,138,61,.06) 40%, transparent 68%);
  filter: blur(20px); pointer-events: none; animation: cx-breathe 9s ease-in-out infinite;
}
@keyframes cx-breathe { 50% { transform: translate(-50%, -50%) scale(1.12); opacity: .75; } }
.cx-hero__grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px; mask-image: radial-gradient(ellipse at 50% 40%, #000 20%, transparent 70%);
}
.cx-hero__in { display: flex; flex-direction: column; align-items: center; text-align: center; }
.cx-badge {
  display: inline-flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase;
  padding: 9px 16px; border: 1px solid var(--line2); border-radius: 999px; background: rgba(255,255,255,.03); margin-bottom: 34px;
}
.cx-live { width: 8px; height: 8px; border-radius: 50%; background: #ff4d3d; box-shadow: 0 0 0 0 rgba(255,77,61,.6); animation: cx-live 1.8s infinite; display: inline-block; }
@keyframes cx-live { 70% { box-shadow: 0 0 0 9px rgba(255,77,61,0); } 100% { box-shadow: 0 0 0 0 rgba(255,77,61,0); } }
.cx-hero__title { font-size: clamp(46px, 8.4vw, 118px); line-height: .94; letter-spacing: -.055em; font-weight: 700; max-width: 1100px; }
.cx-hero__sub { font-size: clamp(17px, 1.6vw, 21px); line-height: 1.55; color: var(--dim); max-width: 700px; margin: 30px auto 38px; }
.cx-hero__cta { display: flex; flex-direction: column; align-items: center; margin-bottom: 34px; }
.cx-hero__flow { margin-top: 56px; }

.cx-meta { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 14px; font-family: var(--mono); font-size: 13px; letter-spacing: .12em; }
.cx-meta i { width: 4px; height: 4px; border-radius: 50%; background: var(--acc); }

/* flow */
.cx-flow { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px; }
.cx-flow__step { display: inline-flex; align-items: center; gap: 10px; }
.cx-flow__step b {
  font-family: var(--mono); font-weight: 500; font-size: 13px; letter-spacing: .1em; text-transform: uppercase;
  padding: 10px 16px; border: 1px solid var(--line2); border-radius: 10px; background: rgba(255,255,255,.02);
}
.cx-flow__step em { font-style: normal; color: var(--dim); }
.cx-flow--pulse .cx-flow__step b { animation: cx-step 4.8s infinite; animation-delay: calc(var(--i) * 1.2s); }
@keyframes cx-step {
  0%, 30%, 100% { border-color: var(--line2); color: var(--fg); box-shadow: none; }
  8%, 22% { border-color: var(--acc); color: var(--acc); box-shadow: 0 0 24px -6px rgba(215,255,60,.6); }
}
.cx-flow--card { justify-content: flex-start; margin: 30px 0; }
.cx-flow--card .cx-flow__step b { padding: 16px 20px; font-size: 14px; }
.cx-flow--sm { justify-content: flex-start; }

/* sections */
.cx-sec { padding: clamp(90px, 12vw, 160px) 0; border-top: 1px solid var(--line); position: relative; }
.cx-split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: start; }
.cx-prose p { font-size: 19px; line-height: 1.6; color: var(--dim); margin-bottom: 18px; }
.cx-beat { color: var(--fg) !important; font-size: 22px !important; }
.cx-beat b { color: var(--acc); font-weight: 600; }
.cx-quote {
  margin-top: 80px; padding: 48px; border: 1px solid var(--line2); border-radius: 24px;
  background: linear-gradient(135deg, rgba(215,255,60,.06), transparent 60%); font-size: clamp(24px, 3vw, 38px); line-height: 1.15; letter-spacing: -.025em; color: var(--dim);
}
.cx-quote span { display: block; color: var(--fg); margin-top: 8px; }

/* timeline */
.cx-sec--timeline .cx-h2 { margin-bottom: 80px; }
.cx-timeline { display: flex; flex-direction: column; }
.cx-stage { display: grid; grid-template-columns: 120px 1fr; gap: 32px; padding-bottom: 110px; position: relative; }
.cx-stage__rail { position: relative; display: flex; justify-content: center; }
.cx-stage__rail::after { content: ""; position: absolute; top: 64px; bottom: -110px; width: 1px; background: linear-gradient(var(--line2), transparent); }
.cx-stage:last-child .cx-stage__rail::after { display: none; }
.cx-stage__n {
  width: 64px; height: 64px; border-radius: 18px; display: grid; place-items: center; font-family: var(--mono); font-size: 18px;
  border: 1px solid var(--line2); background: var(--bg2); color: var(--dim); transition: all .5s; position: sticky; top: 140px;
}
.cx-stage.is-active .cx-stage__n { background: var(--acc); color: var(--acc-ink); border-color: var(--acc); box-shadow: 0 0 40px -6px rgba(215,255,60,.7); }
.cx-concepts { display: flex; flex-wrap: wrap; gap: 10px; margin: 32px 0; position: relative; }
.cx-concepts span {
  padding: 12px 18px; border-radius: 999px; border: 1px solid var(--line2); font-size: 15px; background: rgba(255,255,255,.02);
  transition: all .5s; transition-delay: calc(var(--i) * 70ms);
}
.cx-stage.is-active .cx-concepts span { border-color: rgba(215,255,60,.45); box-shadow: 0 0 0 1px rgba(215,255,60,.1) inset; }
.cx-aside { font-size: 22px; font-style: italic; color: var(--fg); opacity: .8; }
.cx-note { font-size: 17px; line-height: 1.6; color: var(--dim); max-width: 640px; padding-left: 18px; border-left: 2px solid var(--acc); }
.cx-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 28px 0 36px; }
.cx-chips li { font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; padding: 8px 12px; border: 1px solid var(--line2); border-radius: 8px; color: var(--dim); }
.cx-punch { font-size: clamp(24px, 3vw, 36px); letter-spacing: -.03em; font-weight: 600; color: var(--acc); text-align: center; margin-top: 48px; }
.cx-punch--left { text-align: left; }
.cx-stage .cx-punch { text-align: left; margin-top: 0; }

/* demo */
.cx-demo { display: grid; grid-template-columns: 1fr 1.15fr; gap: 18px; margin-top: 40px; }
.cx-demo__prompt, .cx-demo__app { border: 1px solid var(--line2); border-radius: 20px; background: var(--bg2); overflow: hidden; min-height: 360px; display: flex; flex-direction: column; }
.cx-demo__bar { display: flex; align-items: center; gap: 6px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.cx-demo__bar i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.12); }
.cx-demo__bar span { margin-left: 10px; font-family: var(--mono); font-size: 12px; color: var(--dim); }
.cx-demo__text { padding: 24px; font-family: var(--mono); font-size: 15px; line-height: 1.65; flex: 1; }
.cx-caret { display: inline-block; width: 8px; height: 18px; background: var(--acc); vertical-align: -3px; margin-left: 2px; animation: cx-blink 1s steps(1) infinite; }
@keyframes cx-blink { 50% { opacity: 0; } }
.cx-demo__steps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; padding: 18px; border-top: 1px solid var(--line); }
.cx-demo__steps span { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; padding: 10px; border-radius: 8px; border: 1px dashed var(--line2); color: var(--dim); transition: all .4s; }
.cx-demo__steps span.is-on { border-style: solid; border-color: var(--acc); color: var(--acc); background: rgba(215,255,60,.06); }
.cx-app { position: relative; padding: 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; flex: 1; align-content: start; }
.cx-app__block { border: 1px solid var(--line2); border-radius: 14px; padding: 14px; display: flex; flex-direction: column; gap: 8px; background: rgba(255,255,255,.02); opacity: 0; transform: translateY(12px) scale(.97); transition: all .6s cubic-bezier(.2,.8,.2,1); }
.cx-app__block[data-show="true"] { opacity: 1; transform: none; }
.cx-app__block small { font-size: 12px; color: var(--dim); }
.cx-app__input { height: 28px; border-radius: 8px; background: rgba(255,255,255,.06); }
.cx-app__input--short { width: 60%; }
.cx-app__btn { align-self: flex-start; background: var(--acc); color: var(--acc-ink); font-size: 12px; font-weight: 600; padding: 7px 12px; border-radius: 8px; }
.cx-app__row { display: grid; grid-template-columns: 18px 1fr 36px; gap: 8px; align-items: center; }
.cx-app__row i { width: 18px; height: 18px; border-radius: 50%; background: rgba(255,138,61,.5); }
.cx-app__row em { height: 8px; border-radius: 4px; background: rgba(255,255,255,.12); }
.cx-app__row b { height: 8px; border-radius: 4px; background: rgba(215,255,60,.4); }
.cx-app__dash { grid-column: 1 / -1; }
.cx-app__bars { display: flex; align-items: flex-end; gap: 10px; height: 90px; }
.cx-app__bars span { flex: 1; border-radius: 6px 6px 2px 2px; background: linear-gradient(var(--acc), rgba(215,255,60,.15)); }
.cx-app__live { position: absolute; right: 18px; bottom: 18px; display: flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12px; padding: 8px 12px; border-radius: 999px; background: rgba(215,255,60,.1); border: 1px solid var(--acc); color: var(--acc); opacity: 0; transform: scale(.9); transition: all .5s; }
.cx-app__live[data-show="true"] { opacity: 1; transform: none; }
.cx-app__live .cx-live { background: var(--acc); }

/* vender */
.cx-sell { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 36px; }
.cx-list li { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 17px; display: flex; gap: 14px; }
.cx-list li::before { content: "→"; color: var(--acc); }
.cx-model { border: 1px solid var(--line2); border-radius: 20px; padding: 28px; background: var(--bg2); display: flex; flex-direction: column; gap: 24px; }
.cx-model__eq { font-size: clamp(22px, 2.4vw, 30px); letter-spacing: -.02em; font-weight: 600; }
.cx-model__eq em { font-style: normal; color: var(--acc); }
.cx-model__disc { font-size: 13px; color: var(--dim); line-height: 1.5; }

/* desafío */
.cx-challenge { background: var(--acc); color: var(--acc-ink); border: 0; }
.cx-challenge .cx-lead { color: rgba(10,11,5,.7); margin: 28px 0 56px; font-size: 21px; }
.cx-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.cx-steps li { border: 1.5px solid rgba(10,11,5,.25); border-radius: 18px; padding: 22px; font-size: 18px; font-weight: 600; line-height: 1.25; min-height: 150px; display: flex; flex-direction: column; justify-content: space-between; transition: background .3s, transform .3s; }
.cx-steps li:hover { background: rgba(10,11,5,.06); transform: translateY(-4px); }
.cx-steps span { font-family: var(--mono); font-size: 13px; opacity: .6; }
.cx-statement { margin-top: 72px; font-size: clamp(28px, 4.4vw, 58px); line-height: 1.05; letter-spacing: -.04em; }
.cx-statement b { font-weight: 700; }

/* antes/después */
.cx-ba__head { display: flex; justify-content: space-between; align-items: end; gap: 24px; flex-wrap: wrap; margin-bottom: 48px; }
.cx-toggle { display: inline-flex; padding: 4px; border: 1px solid var(--line2); border-radius: 999px; }
.cx-toggle button { background: none; border: 0; color: var(--dim); font: 500 14px var(--sans); padding: 10px 20px; border-radius: 999px; cursor: pointer; transition: all .3s; }
.cx-toggle button.is-on { background: var(--fg); color: var(--bg); }
.cx-ba__list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.cx-ba__list li { position: relative; min-height: 120px; border: 1px solid var(--line2); border-radius: 20px; padding: 28px; overflow: hidden; background: var(--bg2); transition: border-color .6s; transition-delay: calc(var(--i) * 120ms); }
.cx-ba__b, .cx-ba__a { display: block; font-size: clamp(20px, 2.2vw, 28px); letter-spacing: -.02em; transition: opacity .6s, transform .6s; transition-delay: calc(var(--i) * 120ms); }
.cx-ba__b { color: var(--dim); text-decoration: line-through; text-decoration-color: transparent; }
.cx-ba__a { position: absolute; inset: 28px; opacity: 0; transform: translateY(20px); color: var(--fg); }
.is-after li { border-color: rgba(215,255,60,.4); }
.is-after .cx-ba__b { opacity: 0; transform: translateY(-20px); }
.is-after .cx-ba__a { opacity: 1; transform: none; }

/* para quién */
.cx-who li { font-size: 19px; padding: 20px 0; border-bottom: 1px solid var(--line); display: flex; gap: 16px; align-items: baseline; }
.cx-who li::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: var(--acc); flex: none; transform: translateY(-2px); }
.cx-who li:first-child { border-top: 1px solid var(--line); }
.cx-split .cx-punch--left { margin-top: 32px; font-size: clamp(22px, 2.4vw, 30px); }

/* about */
.cx-about { display: grid; grid-template-columns: 1fr 1.1fr; gap: 72px; align-items: center; }
.cx-about__photo { border-radius: 28px; overflow: hidden; aspect-ratio: 4/5; border: 1px solid var(--line2); position: relative; }
.cx-about__photo img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.25) contrast(1.05); }
.cx-about__photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(transparent 60%, rgba(7,8,8,.6)); }
.cx-about__text .cx-h2 { margin-bottom: 28px; }
.cx-about__text p:not(.cx-eyebrow) { font-size: 18px; line-height: 1.65; color: var(--dim); margin-bottom: 14px; }
.cx-about__text b { color: var(--fg); font-weight: 600; }
.cx-about__sign { color: var(--fg) !important; font-size: 21px !important; border-left: 2px solid var(--acc); padding-left: 18px; margin-top: 24px; }
.cx-social { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.cx-social a { padding: 11px 18px; border: 1px solid var(--line2); border-radius: 999px; font-size: 14px; transition: all .25s; }
.cx-social a:hover { border-color: var(--acc); color: var(--acc); }

/* precio */
.cx-price { margin: 56px auto 0; max-width: 620px; border: 1px solid var(--line2); border-radius: 28px; overflow: hidden; background: var(--bg2); box-shadow: 0 40px 120px -40px rgba(215,255,60,.25); }
.cx-price__date { display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid var(--line); }
.cx-price__date div { padding: 20px 16px; border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 6px; }
.cx-price__date div:last-child { border-right: 0; }
.cx-price__date small { font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--dim); }
.cx-price__date b { font-size: 15px; font-weight: 600; }
.cx-price__body { padding: 40px; }
.cx-price__amount { font-size: clamp(56px, 8vw, 88px); font-weight: 700; letter-spacing: -.05em; line-height: 1; }
.cx-price__amount span { font-size: .32em; color: var(--dim); letter-spacing: 0; font-weight: 500; }
.cx-price__note { color: var(--dim); margin: 12px 0 30px; }
.cx-checks { margin-bottom: 32px; }
.cx-checks li { display: flex; gap: 12px; padding: 10px 0; font-size: 16px; }
.cx-checks li::before { content: "✓"; color: var(--acc); font-weight: 700; }

/* next */
.cx-next { text-align: center; display: flex; flex-direction: column; align-items: center; }
.cx-next .cx-lead { margin: 22px auto 0; }
.cx-questions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin: 36px 0; max-width: 860px; }
.cx-questions span { padding: 12px 18px; border-radius: 999px; border: 1px dashed var(--line2); color: var(--dim); font-size: 15px; }
.cx-system { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 56px; width: 100%; position: relative; }
.cx-system::before { content: ""; position: absolute; top: 90px; left: 16%; right: 16%; height: 1px; background: linear-gradient(90deg, transparent, var(--acc), transparent); background-size: 200% 100%; animation: cx-flowline 4s linear infinite; }
@keyframes cx-flowline { to { background-position: -200% 0; } }
.cx-orb { display: flex; flex-direction: column; align-items: center; gap: 14px; padding: 0 18px; position: relative; }
.cx-orb__ring { width: 180px; height: 180px; border-radius: 50%; border: 1px solid var(--line2); background: radial-gradient(circle at 50% 40%, rgba(215,255,60,.12), transparent 65%), var(--bg2); position: absolute; top: 0; animation: cx-orb 6s ease-in-out infinite; animation-delay: calc(var(--i) * 2s); }
@keyframes cx-orb { 0%, 70%, 100% { border-color: var(--line2); box-shadow: none; } 15%, 45% { border-color: var(--acc); box-shadow: 0 0 60px -10px rgba(215,255,60,.5); } }
.cx-orb b { position: relative; margin-top: 72px; font-size: 26px; letter-spacing: -.02em; height: 108px; }
.cx-orb p { color: var(--dim); font-size: 16px; line-height: 1.5; max-width: 240px; }

/* final */
.cx-final { position: relative; min-height: 100svh; display: flex; flex-direction: column; justify-content: center; border-top: 1px solid var(--line); overflow: hidden; padding-top: 100px; }
.cx-final__in { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 26px; flex: 1; justify-content: center; }
.cx-final__price { font-size: clamp(34px, 4vw, 52px); font-weight: 700; letter-spacing: -.04em; }
.cx-foot { position: relative; z-index: 2; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 28px 20px; border-top: 1px solid var(--line); font-size: 13px; color: var(--dim); width: min(1160px, 100% - 40px); margin: 80px auto 0; }

/* sticky mobile */
.cx-sticky { display: none; }

@media (max-width: 900px) {
  .cx-nav__links { display: none; }
  .cx-nav .cx-btn { display: none; }
  .cx-progress { top: auto; bottom: 92px; }
  .cx-progress span { padding: 6px 8px; font-size: 10px; }
  .cx-split, .cx-about, .cx-sell, .cx-demo { grid-template-columns: 1fr; gap: 40px; }
  .cx-stage { grid-template-columns: 44px 1fr; gap: 18px; padding-bottom: 80px; }
  .cx-stage__n { width: 44px; height: 44px; border-radius: 12px; font-size: 14px; top: 90px; }
  .cx-stage__rail::after { top: 44px; bottom: -80px; }
  .cx-steps { grid-template-columns: 1fr; }
  .cx-steps li { min-height: 0; flex-direction: row; justify-content: flex-start; gap: 18px; align-items: center; padding: 18px; }
  .cx-ba__list { grid-template-columns: 1fr; }
  .cx-system { grid-template-columns: 1fr; gap: 24px; }
  .cx-system::before { top: 60px; bottom: 60px; left: 50%; right: auto; width: 1px; height: auto; background: linear-gradient(transparent, var(--acc), transparent); }
  .cx-price__date { grid-template-columns: repeat(2, 1fr); }
  .cx-price__date div:nth-child(2) { border-right: 0; }
  .cx-price__date div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .cx-price__body { padding: 28px 22px; }
  .cx-quote { padding: 28px; margin-top: 56px; }
  .cx-hero { padding: 48px 0 70px; }
  .cx-hero__flow { margin-top: 36px; }
  .cx-flow__step b { font-size: 11px; padding: 8px 10px; }
  .cx-meta { font-size: 11px; gap: 10px; }
  .cx-btn--lg { width: 100%; font-size: 15px; padding: 18px 20px; }
  .cx-demo__prompt, .cx-demo__app { min-height: 300px; }
  .cx-final { padding-bottom: 90px; }

  .cx-sticky {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 40; padding: 10px 10px 10px 18px;
    border-radius: 20px; background: rgba(14,16,16,.92); border: 1px solid var(--line2); backdrop-filter: blur(16px);
    box-shadow: 0 20px 50px -10px rgba(0,0,0,.8); transition: transform .4s cubic-bezier(.2,.8,.2,1), opacity .4s;
  }
  .cx-sticky div { display: flex; flex-direction: column; }
  .cx-sticky b { font-size: 17px; letter-spacing: -.02em; }
  .cx-sticky small { font-family: var(--mono); font-size: 11px; color: var(--dim); letter-spacing: .08em; }
  .cx-sticky--hide { transform: translateY(140%); opacity: 0; pointer-events: none; }
}
@media (prefers-reduced-motion: reduce) {
  .cx *, .cx *::before { animation: none !important; }
}
.cx section, .cx article { scroll-margin-top: 80px; }
.cx-ig { display: flex; align-items: center; gap: 14px; margin-top: 30px; padding: 14px 16px; border: 1px solid var(--line2); border-radius: 18px; background: var(--bg2); transition: border-color .25s, transform .25s; max-width: 440px; }
.cx-ig:hover { border-color: var(--acc); transform: translateY(-2px); }
.cx-ig__icon { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; background: var(--acc); color: var(--acc-ink); flex: none; }
.cx-ig__icon svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2; }
.cx-ig__txt { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.cx-ig__txt b { font-size: 17px; }
.cx-ig__txt small { font-size: 14px; color: var(--dim); }
.cx-ig__go { font-size: 14px; color: var(--acc); white-space: nowrap; }
