/* DASDINGO · estilos comunes de la web (index.html y empezar.html) */
:root {
  --bg: #07080B;
  --bg2: #0E1117;
  --card: rgba(18, 21, 30, 0.88);
  --line: rgba(255, 255, 255, 0.10);
  --line2: rgba(255, 255, 255, 0.16);
  --text: #F5F7FA;
  --muted: rgba(255, 255, 255, 0.58);
  --dim: rgba(255, 255, 255, 0.38);
  --blue: #3B82F6;
  --blue2: #60A5FA;
  --gold: #FBBF24;
  --amber: #F59E0B;
  --cyan: #38BDF8;
  --green: #22C55E;
  --red: #EF4444;
  --radius: 18px;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
/* fondo «The Stage»: radial + retícula blueprint */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(59,130,246,0.14), transparent 60%),
    radial-gradient(ellipse 60% 50% at 85% 40%, rgba(245,158,11,0.07), transparent 60%),
    linear-gradient(var(--bg2), var(--bg));
}
body::after {
  content: "";
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(to bottom, black, transparent 90%);
}
a { color: inherit; }
.wrap { width: min(1160px, 100% - 32px); margin: 0 auto; }
.mono { font-family: var(--mono); letter-spacing: 0.06em; text-transform: uppercase; font-size: 12px; color: var(--dim); }

/* caja de selección del estándar DASDINGO (como en los subtítulos) */
.sel {
  position: relative; display: inline-block; padding: 0 .14em; margin: 0 .04em;
  border: 2px solid var(--blue); border-radius: 6px; background: rgba(59,130,246,0.18);
}
.sel i {
  position: absolute; width: 8px; height: 8px; background: #0B0F19; border: 1.5px solid var(--blue2); border-radius: 1px;
}
.sel i:nth-child(1) { left: -5px; top: -5px; } .sel i:nth-child(2) { right: -5px; top: -5px; }
.sel i:nth-child(3) { left: -5px; bottom: -5px; } .sel i:nth-child(4) { right: -5px; bottom: -5px; }

/* nav */
nav {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: rgba(7, 8, 11, 0.72); border-bottom: 1px solid var(--line);
}
nav .wrap { display: flex; align-items: center; gap: 28px; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 900; letter-spacing: 0.04em; text-decoration: none; }
.logo-mark { width: 28px; height: 28px; }
nav .links { display: flex; gap: 22px; margin-left: auto; font-size: 14px; color: var(--muted); }
nav .links a { text-decoration: none; } nav .links a:hover { color: var(--text); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 22px; border-radius: 12px; font-weight: 700; font-size: 15px; text-decoration: none; cursor: pointer;
  border: 1px solid transparent; transition: transform .15s, box-shadow .15s, background .15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: linear-gradient(180deg, #4F8FF7, var(--blue)); color: #fff; box-shadow: 0 10px 30px rgba(59,130,246,0.35), inset 0 1px 0 rgba(255,255,255,0.3); }
.btn-primary:hover { box-shadow: 0 14px 40px rgba(59,130,246,0.5), inset 0 1px 0 rgba(255,255,255,0.3); }
.btn-ghost { background: rgba(255,255,255,0.05); border-color: var(--line2); color: var(--text); }
.btn-ghost:hover { background: rgba(255,255,255,0.09); }
nav .btn { padding: 9px 16px; font-size: 14px; }

/* hero */
.hero { padding: 72px 0 56px; }
.hero .wrap { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line2); background: rgba(255,255,255,0.04); font-size: 13px; color: var(--muted); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); }
h1 { font-size: clamp(38px, 5vw, 62px); line-height: 1.04; letter-spacing: -0.035em; margin: 22px 0 20px; font-weight: 900; }
h1 .grey { color: rgba(255,255,255,0.5); font-weight: 600; }
.lead { font-size: clamp(17px, 2vw, 20px); color: var(--muted); max-width: 560px; margin: 0 0 30px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.price-tag { font-size: 14px; color: var(--muted); margin-left: 6px; }
.price-tag b { color: var(--text); font-size: 16px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.chip { font-family: var(--mono); font-size: 12px; padding: 6px 10px; border-radius: 8px; border: 1px solid var(--line); background: rgba(255,255,255,0.03); color: var(--muted); }
.chip b { color: var(--gold); font-weight: 700; }

/* móvil con el vídeo de ejemplo */
.phone-stage { position: relative; display: flex; justify-content: center; }
.phone-stage::before { content: ""; position: absolute; width: 70%; height: 70%; top: 15%; border-radius: 50%; background: radial-gradient(circle, rgba(245,158,11,0.22), transparent 70%); filter: blur(40px); }
.phone {
  position: relative; width: min(320px, 78vw); aspect-ratio: 9 / 19.5; border-radius: 46px; padding: 11px;
  background: linear-gradient(145deg, #3a3d44, #17181c 40%, #2a2c31);
  box-shadow: 0 40px 80px rgba(0,0,0,0.7), inset 0 0 0 1.5px rgba(255,255,255,0.12);
  transform: perspective(1200px) rotateY(-9deg) rotateX(3deg);
  animation: float 6s ease-in-out infinite;
}
@keyframes float { 50% { transform: perspective(1200px) rotateY(-7deg) rotateX(2deg) translateY(-8px); } }
.phone video, .phone img.screen { width: 100%; height: 100%; object-fit: cover; border-radius: 36px; display: block; background: #000; }
.island { position: absolute; top: 22px; left: 50%; transform: translateX(-50%); width: 92px; height: 26px; border-radius: 20px; background: #000; z-index: 2; }
.ig-ui { position: absolute; right: 24px; bottom: 90px; display: flex; flex-direction: column; gap: 18px; z-index: 2; }
.ig-ui span { width: 30px; height: 30px; border-radius: 50%; background: rgba(255,255,255,0.18); backdrop-filter: blur(4px); }
.ig-handle { position: absolute; left: 26px; bottom: 34px; z-index: 2; font-size: 13px; font-weight: 700; text-shadow: 0 1px 4px rgba(0,0,0,0.8); }
.callout { position: absolute; font-family: var(--mono); font-size: 11px; letter-spacing: .06em; color: var(--blue2); white-space: nowrap; }
.callout::before { content: ""; position: absolute; top: 50%; width: 46px; height: 1.5px; background: var(--blue2); opacity: .6; }
.callout.l { left: -8px; transform: translateX(-100%); } .callout.l::before { right: -54px; }
.callout.r { right: -8px; transform: translateX(100%); } .callout.r::before { left: -54px; }

section { padding: 84px 0; }
.sec-head { max-width: 720px; margin-bottom: 42px; }
h2 { font-size: clamp(30px, 4.2vw, 48px); line-height: 1.1; letter-spacing: -0.03em; margin: 12px 0 14px; font-weight: 800; }
.sec-head p { color: var(--muted); font-size: 18px; margin: 0; }

/* simulación de Claude */
.claude {
  border: 1px solid var(--line2); border-radius: 22px; overflow: hidden; background: rgba(12, 14, 20, 0.92);
  box-shadow: 0 30px 70px rgba(0,0,0,0.6); display: grid; grid-template-columns: 1fr 300px;
}
.claude-bar { grid-column: 1 / -1; display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--line); font-size: 13px; color: var(--muted); }
.claude-bar i { width: 11px; height: 11px; border-radius: 50%; background: #3a3d44; }
.claude-bar b { margin-left: 10px; color: var(--text); font-weight: 600; }
.chat { padding: 26px; display: flex; flex-direction: column; gap: 16px; min-height: 470px; }
.msg { max-width: 88%; padding: 12px 16px; border-radius: 14px; font-size: 15px; opacity: 0; transform: translateY(8px); transition: opacity .5s, transform .5s; }
.msg.on { opacity: 1; transform: none; }
.msg.user { align-self: flex-end; background: #23262e; }
.msg.ai { align-self: flex-start; background: transparent; border: 1px solid var(--line); }
.msg.ai .who { font-family: var(--mono); font-size: 11px; color: var(--amber); margin-bottom: 6px; }
.tasks { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 7px; }
.tasks li { display: flex; gap: 10px; align-items: center; font-size: 14px; color: var(--dim); transition: color .3s; }
.tasks li .ck { width: 18px; height: 18px; border-radius: 50%; border: 1.5px solid var(--line2); display: grid; place-items: center; font-size: 11px; flex-shrink: 0; transition: all .3s; }
.tasks li.done { color: var(--text); }
.tasks li.done .ck { background: var(--green); border-color: var(--green); color: #04130a; }
.tasks li.run .ck { border-color: var(--blue2); border-top-color: transparent; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.files { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.file { font-family: var(--mono); font-size: 12px; padding: 7px 10px; border-radius: 8px; background: rgba(59,130,246,0.12); border: 1px solid rgba(59,130,246,0.35); color: var(--blue2); }
.side { border-left: 1px solid var(--line); padding: 22px; display: flex; flex-direction: column; gap: 14px; background: rgba(255,255,255,0.015); }
.side .thumb { border-radius: 14px; overflow: hidden; aspect-ratio: 9/16; max-height: 300px; align-self: center; border: 1px solid var(--line); }
.side .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font-size: 13px; }
.kv dt { color: var(--dim); } .kv dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.status-ok { color: var(--green); font-weight: 700; }

/* pasos */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  position: relative; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card);
  padding: 26px; box-shadow: 0 24px 48px rgba(0,0,0,0.45); overflow: hidden;
}
.card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--accent, var(--blue)); }
.card h3 { margin: 10px 0 8px; font-size: 21px; letter-spacing: -0.02em; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.num { font-family: var(--mono); font-size: 13px; color: var(--accent, var(--blue2)); }
.kbd { display: inline-block; margin-top: 14px; font-family: var(--mono); font-size: 13px; padding: 8px 12px; border-radius: 8px; background: #000; border: 1px solid var(--line2); color: var(--gold); }

/* pipeline */
.pipe { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; position: relative; }
.pipe::before { content: ""; position: absolute; left: 4%; right: 4%; top: 27px; height: 2px; background: linear-gradient(90deg, var(--blue), var(--cyan), var(--gold)); opacity: .5; }
.pipe-step { position: relative; text-align: center; padding: 0 8px; }
.pipe-step .node { width: 56px; height: 56px; margin: 0 auto 14px; border-radius: 16px; display: grid; place-items: center; background: #0B0F19; border: 1.5px solid var(--line2); font-family: var(--mono); font-weight: 700; color: var(--blue2); box-shadow: 0 0 0 6px var(--bg); }
.pipe-step h4 { margin: 0 0 6px; font-size: 15px; }
.pipe-step p { margin: 0; font-size: 13px; color: var(--muted); }
.pulse { position: absolute; top: 22px; left: 4%; width: 12px; height: 12px; border-radius: 50%; background: #fff; box-shadow: 0 0 6px #fff, 0 0 18px var(--gold), 0 0 34px var(--amber); animation: travel 5s linear infinite; }
@keyframes travel { from { left: 4%; } to { left: 95%; } }

/* estándar visual */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feat h3 { font-size: 18px; margin: 14px 0 8px; }
.feat .ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: rgba(255,255,255,0.05); border: 1px solid var(--line2); }
.src { margin-top: 12px; font-size: 12px; color: rgba(255,255,255,0.45); font-family: var(--mono); }

/* ejemplo */
.example { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 40px; align-items: center; }
.example-media { display: flex; gap: 16px; justify-content: center; }
.example-media figure { margin: 0; width: 46%; max-width: 240px; }
.example-media img, .example-media video { width: 100%; border-radius: 18px; border: 1px solid var(--line2); display: block; aspect-ratio: 9/16; object-fit: cover; box-shadow: 0 24px 50px rgba(0,0,0,0.6); }
.example-media figcaption { margin-top: 10px; text-align: center; }
.facts { display: grid; gap: 12px; margin: 24px 0 28px; }
.fact { display: flex; gap: 14px; align-items: baseline; padding: 14px 16px; border-radius: 12px; border: 1px solid var(--line); background: rgba(255,255,255,0.025); }
.fact b { font-family: var(--mono); color: var(--gold); min-width: 92px; font-variant-numeric: tabular-nums; }
.fact span { color: var(--muted); font-size: 15px; }

/* incluye + precio */
.buy { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 28px; align-items: start; }
.list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.list li { display: flex; gap: 12px; align-items: flex-start; font-size: 16px; }
.list li svg { flex-shrink: 0; margin-top: 3px; }
.req { margin-top: 28px; padding: 18px 20px; border-radius: 14px; border: 1px dashed var(--line2); color: var(--muted); font-size: 15px; }
.req b { color: var(--text); }
.price-card { position: sticky; top: 90px; border: 1px solid rgba(59,130,246,0.45); background: linear-gradient(180deg, rgba(59,130,246,0.12), var(--card) 40%); --accent: var(--gold); }
.big-price { font-size: 64px; font-weight: 900; letter-spacing: -0.04em; line-height: 1; margin: 16px 0 6px; font-variant-numeric: tabular-nums; }
.big-price small { font-size: 16px; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.price-card .btn { width: 100%; margin: 22px 0 14px; font-size: 17px; padding: 16px; }
.secure { font-size: 13px; color: var(--dim); text-align: center; }
.mini { list-style: none; padding: 16px 0 0; margin: 16px 0 0; border-top: 1px solid var(--line); display: grid; gap: 8px; font-size: 14px; color: var(--muted); }

/* garantía */
.guarantee { display: grid; grid-template-columns: auto 1fr; gap: 36px; align-items: center; --accent: var(--green); }
.seal { width: 150px; height: 150px; border-radius: 50%; display: grid; place-items: center; text-align: center; position: relative; background: radial-gradient(circle, rgba(34,197,94,0.16), transparent 70%); border: 2px solid rgba(34,197,94,0.55); }
.seal::after { content: ""; position: absolute; inset: 10px; border-radius: 50%; border: 1.5px dashed rgba(34,197,94,0.45); animation: spin 30s linear infinite; }
.seal b { display: block; font-size: 54px; line-height: 1; font-weight: 900; }
.seal span { font-family: var(--mono); font-size: 11px; color: var(--green); letter-spacing: .1em; }

/* preguntas */
.faq { display: grid; gap: 10px; max-width: 860px; }
details { border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,0.025); padding: 0 20px; }
details[open] { background: rgba(255,255,255,0.045); border-color: var(--line2); }
summary { cursor: pointer; list-style: none; padding: 18px 0; font-weight: 600; font-size: 17px; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-family: var(--mono); color: var(--blue2); font-size: 20px; transition: transform .2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { margin: 0 0 18px; color: var(--muted); font-size: 15.5px; }

.final { text-align: center; padding: 100px 0 110px; }
.final h2 { font-size: clamp(36px, 5.4vw, 64px); }
.final .hero-cta { justify-content: center; margin-top: 28px; }

footer { border-top: 1px solid var(--line); padding: 48px 0 40px; font-size: 14px; color: var(--dim); }
.foot { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
.foot h4 { margin: 0 0 12px; font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--dim); font-weight: 500; }
.foot > div > a:not(.logo) { display: block; color: var(--muted); text-decoration: none; padding: 4px 0; }
.foot a:hover { color: var(--text); }
.foot-brand p { margin: 10px 0 0; color: var(--muted); }
.foot-brand a { color: var(--muted); }
.foot-bottom { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--line); }
/* primeros pasos */
.road { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.road li { display: flex; gap: 18px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,0.025); }
.road .num { font-size: 15px; padding-top: 3px; }
.road h3 { margin: 0 0 6px; font-size: 18px; }
.road p { margin: 0; color: var(--muted); font-size: 15px; }
.road a, .faq a, .guarantee a, .sec-head a { color: var(--blue2); }
code { font-family: var(--mono); font-size: .88em; padding: 2px 6px; border-radius: 6px; background: rgba(255,255,255,0.07); color: var(--gold); }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.on { opacity: 1; transform: none; }

@media (max-width: 960px) {
  .hero .wrap, .example, .buy { grid-template-columns: 1fr; }
  .hero { padding-top: 48px; }
  .phone-stage { margin-top: 12px; }
  .callout { display: none; }
  .claude { grid-template-columns: 1fr; }
  .side { border-left: 0; border-top: 1px solid var(--line); }
  .steps, .features { grid-template-columns: 1fr; }
  .pipe { grid-template-columns: repeat(2, 1fr); gap: 26px 10px; }
  .pipe::before, .pulse { display: none; }
  .price-card { position: static; }
  nav .links { display: none; }
  nav .btn { margin-left: auto; }
  .guarantee { grid-template-columns: 1fr; justify-items: start; }
  .road, .foot { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  section { padding: 64px 0; }
  .chat { padding: 18px; min-height: 0; }
  .msg { max-width: 100%; }
  .big-price { font-size: 52px; }
  .example-media figure { width: 48%; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal, .msg { opacity: 1; transform: none; }
}

/* resumen de primeros pasos en la portada */
.help-teaser { display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: center; }
.help-teaser .btn { white-space: nowrap; }
@media (max-width: 960px) { .help-teaser { grid-template-columns: 1fr; } }