/* Papeles al Día — estilos del sitio.
   Layout: una columna de lectura con secciones a lo ancho; la "planilla" del hero es la pieza visual principal.
   Paleta: verde de libro contable + amarillo resaltador (solo para marcar, nunca de fondo grande). */
:root{
  --bg:#f6f8f6; --paper:#ffffff; --ink:#13201c; --muted:#56635e; --line:#d8e0dc;
  --green:#1d5c4a; --green-ink:#ffffff; --green-soft:#e3eee8;
  --mark:#f5dc4e; --mark-ink:#13201c; --warn:#a9521b; --warn-soft:#f8e9de;
  --display:"Familjen Grotesk",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --body:"Instrument Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;
  --radius:8px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0e1513; --paper:#141e1b; --ink:#e5eeea; --muted:#9db0a8; --line:#26352f;
  --green:#6cc3a0; --green-ink:#0e1513; --green-soft:#183028;
  --mark:#e2c63c; --mark-ink:#13201c; --warn:#e79a62; --warn-soft:#33221a; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0e1513; --paper:#141e1b; --ink:#e5eeea; --muted:#9db0a8; --line:#26352f;
  --green:#6cc3a0; --green-ink:#0e1513; --green-soft:#183028;
  --mark:#e2c63c; --mark-ink:#13201c; --warn:#e79a62; --warn-soft:#33221a; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 var(--body);-webkit-font-smoothing:antialiased}
img{max-width:100%}
a{color:var(--green)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--mark);outline-offset:3px;border-radius:4px}
h1,h2,h3{font-family:var(--display);line-height:1.1;margin:0;text-wrap:balance;letter-spacing:-.015em}
h1{font-size:clamp(2.4rem,6.2vw,4.1rem);font-weight:700}
h2{font-size:clamp(1.7rem,3.6vw,2.4rem);font-weight:700}
h3{font-size:1.15rem;font-weight:600;letter-spacing:0}
p{margin:0}
.wrap{max-width:1080px;margin:0 auto;padding-inline:20px}
.eyebrow{font:500 .75rem/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--green)}
.mark{background:linear-gradient(transparent 58%,var(--mark) 58%,var(--mark) 92%,transparent 92%);padding-inline:.08em}
.muted{color:var(--muted)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* Botones */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 20px;border-radius:999px;font-weight:600;font-size:1rem;text-decoration:none;border:2px solid var(--green);transition:transform .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--green);color:var(--green-ink)}
.btn-ghost{color:var(--green);background:transparent}
@media (prefers-reduced-motion: reduce){.btn{transition:none}.btn:hover{transform:none}}

/* Barra superior */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:12px}
.brand{display:flex;align-items:center;gap:10px;font:700 1.15rem var(--display);color:var(--ink);text-decoration:none}
.brand svg{width:30px;height:30px;flex:none}
.nav{display:flex;align-items:center;gap:22px;font-size:.95rem}
.nav a{color:var(--ink);text-decoration:none}
.nav a.btn{color:var(--green-ink);padding:9px 16px}
@media (max-width:760px){.nav a:not(.btn){display:none}}

/* Hero */
.hero{padding-block:64px 72px}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.hero-copy{display:flex;flex-direction:column;gap:22px;min-width:0}
.hero-copy .lead{font-size:1.2rem;color:var(--muted);max-width:34ch}
.ctas{display:flex;flex-wrap:wrap;gap:12px}
.fine{font-size:.88rem;color:var(--muted)}
@media (max-width:880px){.hero .wrap{grid-template-columns:1fr}.hero{padding-block:40px 56px}}

/* Planilla de ejemplo */
.sheet{margin:0;container-type:inline-size;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 18px 40px -24px rgba(19,32,28,.35);overflow:hidden;min-width:0}
.sheet-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line);font-size:.9rem}
.sheet-head b{font-family:var(--display);font-size:1rem}
.sheet-tag{font:500 .68rem var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line);border-radius:3px;padding:2px 6px}
.sheet-scroll{overflow-x:auto}
.sheet table{width:100%;border-collapse:collapse;font-size:.88rem}
.sheet th,.sheet td{text-align:left;padding:10px 16px;border-bottom:1px solid var(--line);white-space:nowrap}
.sheet th{font:500 .68rem var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);background:var(--bg)}
.sheet tr:last-child td{border-bottom:0}
.chip{display:inline-block;font-size:.78rem;font-weight:600;padding:3px 9px;border-radius:999px}
.chip.ok{background:var(--green-soft);color:var(--green)}
.chip.falta{background:var(--warn-soft);color:var(--warn)}
.chip.env{background:var(--bg);color:var(--muted);border:1px solid var(--line)}
.sheet-foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:12px 16px;background:var(--bg);font:500 .8rem var(--mono);color:var(--muted)}

/* Secciones */
.section{padding-block:80px;border-top:1px solid var(--line)}
.section-head{display:flex;flex-direction:column;gap:14px;max-width:720px;margin-bottom:40px}
.section-head p{color:var(--muted);font-size:1.08rem}
@media (max-width:640px){.section{padding-block:56px}}

/* El mes del estudio */
.month{display:grid;grid-template-columns:repeat(4,1fr);background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.month > div{padding:20px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:8px;min-width:0}
.month > div:last-child{border-right:0}
.month b{font:500 .8rem var(--mono);color:var(--green)}
.month p{font-size:.95rem}
@media (max-width:760px){.month{grid-template-columns:1fr 1fr}.month > div:nth-child(2){border-right:0}.month > div:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media (max-width:420px){.month{grid-template-columns:1fr}.month > div{border-right:0;border-bottom:1px solid var(--line)}.month > div:last-child{border-bottom:0}}

/* Pasos */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;counter-reset:paso;list-style:none;padding:0;margin:0}
.steps li{display:flex;flex-direction:column;gap:10px;min-width:0}
.steps li::before{counter-increment:paso;content:"Paso " counter(paso);font:500 .75rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--green);border-top:3px solid var(--green);padding-top:12px}
.steps p{color:var(--muted)}
@media (max-width:760px){.steps{grid-template-columns:1fr}}

/* Servicios y precios */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:880px){.cards{grid-template-columns:1fr}}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:12px;min-width:0}
.card.featured{border:2px solid var(--green)}
.tag{align-self:flex-start;font:500 .7rem var(--mono);letter-spacing:.08em;text-transform:uppercase;padding:4px 8px;border-radius:3px;background:var(--green-soft);color:var(--green)}
.card p{color:var(--muted);font-size:.98rem}
.card ul{margin:0;padding-left:1.1em;display:flex;flex-direction:column;gap:6px;font-size:.95rem}
.price{display:flex;flex-direction:column;gap:2px;padding-block:6px;border-block:1px solid var(--line)}
.price strong{font:600 1.6rem var(--display)}
.price span{font-size:.88rem;color:var(--muted)}
.card .btn{margin-top:auto;align-self:flex-start}
.note{margin-top:24px;font-size:.92rem;color:var(--muted);max-width:760px}

/* Seguridad */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
@media (max-width:880px){.split{grid-template-columns:1fr}}
.checks{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:16px}
.checks li{display:grid;grid-template-columns:26px 1fr;gap:12px;align-items:start}
.checks svg{width:22px;height:22px;margin-top:3px;color:var(--green)}
.checks b{display:block}
.checks span{color:var(--muted);font-size:.96rem}
.gift{background:var(--green-soft);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:10px}

/* Preguntas */
.faq{display:flex;flex-direction:column;border-top:1px solid var(--line);max-width:780px}
.faq details{border-bottom:1px solid var(--line);padding-block:18px}
.faq summary{cursor:pointer;font-weight:600;font-size:1.05rem;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--green)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin-top:10px;color:var(--muted);max-width:68ch}

/* Cierre */
.closing{background:var(--green);color:var(--green-ink);padding-block:72px}
.closing .wrap{display:flex;flex-direction:column;gap:20px;align-items:flex-start}
.closing p{max-width:52ch;font-size:1.1rem;opacity:.92}
.closing .btn-primary{background:var(--green-ink);color:var(--green);border-color:var(--green-ink)}
.closing .btn-ghost{color:var(--green-ink);border-color:var(--green-ink)}

footer.foot{padding-block:36px;font-size:.9rem;color:var(--muted)}
footer.foot .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px}
footer.foot a{color:var(--muted)}

/* Páginas de texto (privacidad, 404) */
.doc{max-width:760px;margin:0 auto;padding:56px 20px 80px;display:flex;flex-direction:column;gap:16px}
.doc h1{font-size:clamp(2rem,5vw,2.8rem)}
.doc h2{font-size:1.3rem;margin-top:20px}
.doc ul{margin:0;padding-left:1.2em;display:flex;flex-direction:column;gap:6px}
@container (max-width:480px){.sheet .cuit{display:none}.sheet th,.sheet td{padding-inline:12px}}
@media (max-width:480px){.hide-sm{display:none}.brand{font-size:1rem}}