/* Nuevo Uso · estilos comunes (móvil primero).
   Misma familia visual que Tu Mano Derecha IA y Bichea: fondo claro, tinta oscura,
   un color propio (verde «vivienda»), toque amarillo, botones píldora y titulares muy gruesos.
   v4 (29/10 noche): mismas fuentes y misma estructura de bloques que Tu Mano Derecha IA. */
/* Fuentes: las mismas que Tu Mano Derecha IA (Bricolage Grotesque + Figtree), alojadas en la propia web. Licencia SIL OFL. */
@font-face{font-family:"Bricolage Grotesque";font-style:normal;font-display:swap;font-weight:200 800;src:url(../fonts/bricolage-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Bricolage Grotesque";font-style:normal;font-display:swap;font-weight:200 800;src:url(../fonts/bricolage-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Figtree";font-style:normal;font-display:swap;font-weight:300 900;src:url(../fonts/figtree-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Figtree";font-style:normal;font-display:swap;font-weight:300 900;src:url(../fonts/figtree-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
:root{
  --paper:#F2F7F4; --white:#FFFFFF; --ink:#0F2A22; --ink-2:#4A5F58;
  --green:#0F7A55; --green-d:#0B5E41; --sky:#DCF0E5; --sun:#FFD23F;
  --line:rgba(15,42,34,.14);
  /* nombres de color */
  --bg:var(--paper); --surface:var(--white); --muted:var(--ink-2);
  --accent:var(--green); --accent-ink:#FFFFFF; --accent-soft:var(--sky);
  --ok:#1E7A46; --warn:#9A6200; --bad:#B23A2E;
  --ok-bg:#DFF3E6; --warn-bg:#FFF3CC; --bad-bg:#F8E0DC;
  --f-display:"Bricolage Grotesque",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-body:"Figtree",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --f-data:"Figtree",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --gut:max(16px,env(safe-area-inset-left,0px));
  color-scheme:light;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;overflow-x:clip}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:17px;line-height:1.6;font-variant-numeric:tabular-nums}
a{color:var(--green)}
img,svg{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.narrow{max-width:760px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:8px;background:var(--white);padding:6px 10px;z-index:20}

/* Cabecera */
.top{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(8px);-webkit-backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 22px;padding-block:12px}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--f-display);font-weight:800;font-size:22px;letter-spacing:-.03em;line-height:1;color:var(--ink);text-decoration:none}
.brand .mark{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--green);color:#fff;font-size:20px;letter-spacing:-.04em;box-shadow:0 2px 0 rgba(15,42,34,.15)}
.brand .dot{color:var(--green)}
.nav{display:flex;flex-wrap:wrap;align-items:center;gap:6px 18px;font-size:15px;font-weight:600}
.nav a{color:var(--ink);text-decoration:none;padding:4px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{border-bottom-color:var(--sun)}
.nav a[href="estudio.html"]{order:9;background:var(--green);color:#fff;border:0;border-radius:999px;padding:8px 16px}
.nav a[href="estudio.html"]:hover,.nav a[href="estudio.html"][aria-current="page"]{background:var(--green-d)}

/* Texto */
main{display:block;padding-block:clamp(32px,6vw,72px) 72px}
h1{font-family:var(--f-display);font-weight:800;font-size:clamp(44px,8.4vw,96px);line-height:.96;letter-spacing:-.04em;margin:10px 0 22px;text-wrap:balance;max-width:14ch}
h2{font-family:var(--f-display);font-weight:800;font-size:clamp(30px,5vw,54px);line-height:1.04;letter-spacing:-.025em;margin:0 0 18px;text-wrap:balance;max-width:22ch}
h3{font-family:var(--f-display);font-weight:800;font-size:19px;letter-spacing:-.015em;line-height:1.25;margin:0 0 6px}
p{margin:0 0 12px}
.lead{font-size:clamp(18px,2.3vw,21px);line-height:1.55;color:var(--ink-2);max-width:54ch}
.tag{font-size:12.5px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--green)}
.muted{color:var(--ink-2)}
.small{font-size:14px}

/* Bloques: cada sección después del inicio va en una «hoja» blanca redondeada */
main > section{margin-bottom:28px}
main > section + section{background:var(--white);border-radius:28px;padding:clamp(24px,4.5vw,52px) clamp(20px,4.5vw,52px);box-shadow:0 1px 0 var(--line)}
main > section:first-child{padding-block:8px 24px}

/* Botones */
.btn{display:inline-flex;align-items:center;gap:8px;font:inherit;font-weight:700;background:var(--green);color:#fff;border:0;border-radius:999px;padding:14px 24px;text-decoration:none;cursor:pointer;transition:background .15s,transform .15s}
.btn:hover{background:var(--green-d)}
.btn:active{transform:translateY(1px)}
.btn.sec{background:transparent;color:var(--ink);padding-inline:6px;border-radius:0;box-shadow:inset 0 -3px 0 var(--sun)}
.btn.sec:hover{background:transparent;box-shadow:inset 0 -6px 0 var(--sun)}
.btns{display:flex;flex-wrap:wrap;align-items:center;gap:12px 22px;margin-top:26px}

/* Tarjetas y pasos */
.cards{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:760px){.cards{grid-template-columns:repeat(3,minmax(0,1fr))}}
.card{background:var(--paper);border-radius:20px;padding:22px 22px 20px}
.card .k{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--green-d);background:var(--sky);border-radius:999px;padding:3px 10px;margin-bottom:12px}
.card p{color:var(--ink-2);margin:0}
.steps{counter-reset:p;list-style:none;padding:0;margin:0;display:grid;gap:22px}
@media (min-width:760px){.steps{grid-template-columns:repeat(3,minmax(0,1fr))}}
.steps li{counter-increment:p;border-top:2px solid var(--ink);padding-top:14px}
.steps li::before{content:counter(p);display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--sun);color:var(--ink);font-weight:800;margin-bottom:10px}
.steps p{color:var(--ink-2)}
ul.list{padding-left:20px;margin:0 0 14px}
ul.list li{margin-bottom:6px}
ul.list li::marker{color:var(--green)}
.note{background:var(--sky);border-radius:16px;padding:16px 18px;margin:20px 0}
.panel{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:18px 20px}

/* Formularios */
.form{display:grid;gap:16px;margin-top:18px}
.form .row{display:grid;gap:16px}
@media (min-width:600px){.form .row{grid-template-columns:1fr 1fr}}
.form label.f{display:flex;flex-direction:column;gap:6px;font-size:14px;min-width:0}
.form label.f b{font-weight:700}
.form input[type=text],.form input[type=email],.form input[type=tel],.form input[type=number],.form select,.form textarea{font:inherit;color:var(--ink);background:var(--white);border:1.5px solid var(--line);border-radius:12px;padding:12px 14px;width:100%}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--green)}
.form textarea{min-height:120px;resize:vertical}
.form .chk{display:flex;gap:10px;align-items:flex-start;font-size:14px}
.form .chk input{margin-top:3px;accent-color:var(--green);flex:none;width:18px;height:18px}
input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid var(--sun);outline-offset:2px}
.req{color:var(--bad)}
.hp{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden}
.alert{border-radius:14px;padding:12px 16px;margin:16px 0;background:var(--bad-bg);color:var(--bad)}
.alert.okay{background:var(--ok-bg);color:var(--ok)}
.alert[hidden]{display:none}

/* Textos legales */
.legal h2{font-size:24px;margin-top:36px}
.legal h3{margin-top:20px}
.fill{background:var(--warn-bg);color:var(--warn);font-size:.9em;padding:0 5px;border-radius:5px}

/* Pie */
.foot{background:var(--ink);color:#D6E3DD;padding-block:28px 40px;font-size:14px}
.foot .wrap{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;align-items:center}
.foot nav{display:flex;flex-wrap:wrap;gap:6px 16px}
.foot a{color:#fff}

@media (prefers-reduced-motion:reduce){.btn{transition:none}}

/* Páginas de formulario: el contenido va en una hoja blanca */
main.narrow > .form{background:var(--white);border-radius:24px;padding:clamp(20px,4vw,36px);box-shadow:0 1px 0 var(--line)}
.calc #frm{background:var(--white);border-radius:24px;padding:clamp(18px,3vw,28px);box-shadow:0 1px 0 var(--line)}
.calc .panel{border:0;box-shadow:0 1px 0 var(--line)}
.calc .opt .h{flex-wrap:wrap}
.calc .opt .h .tag{font-size:10.5px;letter-spacing:.06em}

/* Portada con tarjeta de ejemplo (como la conversación de ejemplo de Tu Mano Derecha) */
.hero{display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media (min-width:960px){.hero{grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:56px}}
.hero-card{position:relative;background:var(--white);border-radius:28px;padding:30px 24px 22px;box-shadow:0 24px 60px -24px rgba(15,42,34,.35),0 1px 0 var(--line);max-width:400px;justify-self:center;width:100%}
.hc-tag{position:absolute;top:-13px;left:22px;background:var(--ink);color:#fff;font-size:12px;font-weight:700;border-radius:999px;padding:5px 12px}
.hc-head{display:flex;gap:12px;align-items:center;padding-bottom:16px;border-bottom:1px solid var(--line)}
.hc-ico{display:grid;place-items:center;flex:none;width:44px;height:44px;border-radius:14px;background:var(--sky);color:var(--green-d)}
.hc-head b{display:block;font-size:15px;line-height:1.3}
.hc-head small{display:block;font-size:13px;color:var(--ink-2)}
.hc-score{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 10px;margin:18px 0 10px}
.hc-score b{font-size:56px;font-weight:800;letter-spacing:-.04em;line-height:1;color:var(--green)}
.hc-score span{font-size:14px;color:var(--ink-2)}
.hc-score em{font-style:normal;font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;background:var(--ok-bg);color:var(--ok);border-radius:999px;padding:4px 10px;margin-left:auto}
.hc-reqs{list-style:none;padding:0;margin:0 0 16px;display:grid;grid-template-columns:1fr 1fr;gap:6px 12px;font-size:13.5px}
.hc-reqs li{display:flex;gap:7px;align-items:baseline}
.hc-reqs li::before{content:"";flex:none;width:8px;height:8px;border-radius:50%;background:var(--ok);transform:translateY(-1px)}
.hc-kpis{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px}
.hc-kpis div{background:var(--paper);border-radius:14px;padding:12px 14px}
.hc-kpis b{display:block;font-size:22px;font-weight:800;letter-spacing:-.02em}
.hc-kpis small{display:block;font-size:12.5px;color:var(--ink-2)}
.hc-link{font-weight:700;color:var(--ink);text-decoration:none;box-shadow:inset 0 -3px 0 var(--sun)}
.hc-link:hover{box-shadow:inset 0 -6px 0 var(--sun)}
.hero h1{max-width:12ch}

/* v4 · Portada por bloques a todo lo ancho, como Tu Mano Derecha IA:
   hoja blanca con esquinas redondeadas, bloque oscuro con los pasos y cierre de color. */
main > section.bleed{margin:0 calc(50% - 50vw);padding:clamp(56px,8vw,104px) max(20px,calc(50vw - 540px));border-radius:0;box-shadow:none}
main > section.sheet{background:var(--white);border-radius:40px 40px 0 0;margin-top:clamp(24px,4vw,48px)}
main > section.dark{background:var(--ink);color:#fff}
main > section.dark h2,main > section.dark h3{color:#fff}
main > section.dark .steps p{color:#BFD3CA}
main > section.dark .steps li{border-top-color:rgba(255,255,255,.22)}
main > section.cta{background:var(--green);color:#fff}
main > section.cta h2{color:#fff}
main > section.cta ul.list li::marker{color:var(--sun)}
main > section.cta strong{color:#fff}
main > section.cta .btn{background:var(--sun);color:var(--ink)}
main > section.cta .btn:hover{background:#fff}
main:has(> section.bleed:last-child){padding-bottom:0}