/* rentatucasa.cl — sistema "Transparencia Residencial" (ver design/stitch-v1/transparencia_residencial/DESIGN.md)
   Sin estilos inline en el HTML: la CSP solo permite style-src 'self'. */

@font-face{font-family:"Inter";src:url("/assets/fonts/inter-var.woff2") format("woff2");font-weight:400 600;font-style:normal;font-display:swap}
@font-face{font-family:"Plus Jakarta Sans";src:url("/assets/fonts/plus-jakarta-sans-var.woff2") format("woff2");font-weight:600 800;font-style:normal;font-display:swap}

:root{
  --navy:#0f172a; --navy-2:#1e293b;
  --emerald:#047857; --emerald-hover:#065f46; --emerald-ring:#10b981; --emerald-soft:#ecfdf5; --emerald-line:#a7f3d0; --emerald-text:#065f46;
  --cobalt:#2563eb;
  --slate:#475569; --slate-soft:#64748b;
  --canvas:#fafafa; --surface:#ffffff; --line:#e2e8f0; --line-2:#cbd5e1; --tint:#eff4ff; --chip:#f1f5f9;
  --alert-bg:#fef2f2; --alert-line:#fecaca; --alert-text:#991b1b;
  --r-sm:.5rem; --r-md:1rem; --r-lg:1.5rem; --r-full:9999px;
  --sh-1:0 1px 3px 0 rgba(15,23,42,.04),0 1px 2px -1px rgba(15,23,42,.03);
  --sh-2:0 10px 15px -3px rgba(15,23,42,.06),0 4px 6px -4px rgba(15,23,42,.04);
  --sh-3:0 20px 25px -5px rgba(15,23,42,.1),0 8px 10px -6px rgba(15,23,42,.06);
  --font-head:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-body:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:5.5rem}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--canvas);color:var(--navy);font:400 1rem/1.6 var(--font-body);font-feature-settings:"tnum" 1,"cv11" 1;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:var(--cobalt);text-underline-offset:.2em}
a:hover{color:#1d4ed8}
:focus-visible{outline:2px solid var(--emerald-ring);outline-offset:2px;border-radius:4px}
h1,h2,h3{font-family:var(--font-head);color:var(--navy);margin:0;letter-spacing:-.02em;text-wrap:balance}
h1{font-size:clamp(2rem,5.2vw,2.75rem);line-height:1.18;font-weight:800;letter-spacing:-.03em}
h2{font-size:clamp(1.5rem,3.4vw,2rem);line-height:1.25;font-weight:700}
h3{font-size:1.125rem;line-height:1.35;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.ic{width:1.25rem;height:1.25rem;flex:none;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.visually-hidden{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:1rem;top:-4rem;background:var(--navy);color:#fff;padding:.6rem 1rem;border-radius:var(--r-sm);z-index:100}
.skip-link:focus{top:1rem}

.container{width:100%;max-width:1200px;margin-inline:auto;padding-inline:1rem}
@media (min-width:768px){.container{padding-inline:2rem}}
.narrow{max-width:760px}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:4rem}
.brand{display:inline-flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--navy);font-family:var(--font-head);font-weight:800;font-size:1.2rem;letter-spacing:-.03em}
.brand:hover{color:var(--navy)}
.brand svg{width:2rem;height:2rem}
.brand .tld{color:var(--emerald)}
.nav{display:none}
.nav ul{display:flex;gap:.25rem}
.nav a{display:block;padding:.5rem .8rem;border-radius:var(--r-sm);color:var(--slate);font-weight:600;font-size:.9375rem;text-decoration:none}
.nav a:hover,.nav a[aria-current="page"]{color:var(--navy);background:var(--chip)}
.btn.header-cta{display:none}
.menu-toggle{display:inline-flex;align-items:center;justify-content:center;width:2.75rem;height:2.75rem;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;color:var(--navy);cursor:pointer}
.nav.is-open{display:block;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh-2);padding:.5rem 1rem 1rem}
.nav.is-open ul{flex-direction:column}
.nav.is-open a{padding:.85rem .5rem;font-size:1rem}
@media (min-width:900px){
  .nav{display:block}.btn.header-cta{display:inline-flex}.menu-toggle{display:none}
}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:3rem;padding:.7rem 1.4rem;border-radius:var(--r-sm);border:1.5px solid transparent;font:600 .9375rem/1.2 var(--font-body);letter-spacing:.01em;text-decoration:none;cursor:pointer;transition:background-color .15s,border-color .15s,transform .15s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--emerald);color:#fff}
.btn-primary:hover{background:var(--emerald-hover);color:#fff}
.btn-primary:focus-visible{outline:2px solid var(--emerald-ring);outline-offset:3px}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:var(--navy-2);color:#fff}
.btn-outline{background:#fff;color:var(--navy);border-color:var(--navy)}
.btn-outline:hover{background:var(--chip);color:var(--navy)}
.btn-block{width:100%}
.btn[disabled]{opacity:.65;cursor:progress}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:2.5rem 0 3rem;background:linear-gradient(180deg,var(--tint) 0,var(--canvas) 100%)}
.hero::before{content:"";position:absolute;right:-6rem;top:-8rem;width:26rem;height:26rem;border-radius:50%;background:rgba(130,245,193,.32);filter:blur(60px);pointer-events:none}
.hero .container{position:relative;display:grid;gap:2rem}
@media (min-width:960px){.hero{padding:4rem 0 4.5rem}.hero .container{grid-template-columns:1.15fr .85fr;align-items:center;gap:3.5rem}}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;width:fit-content;padding:.3rem .8rem;border-radius:var(--r-full);background:var(--emerald-soft);border:1px solid var(--emerald-line);color:var(--emerald-text);font-size:.8125rem;font-weight:600}
.eyebrow .dot{width:.5rem;height:.5rem;border-radius:50%;background:var(--emerald-ring)}
.hero h1{margin-top:1rem}
.hero h1 em{font-style:normal;color:var(--emerald)}
.lead{margin-top:1rem;font-size:1.125rem;line-height:1.65;color:var(--slate);max-width:38rem}
.promises{display:grid;gap:.6rem;margin-top:1.5rem}
.promises li{display:flex;gap:.6rem;align-items:flex-start;font-weight:600}
.promises .ic{color:var(--emerald);margin-top:.15rem}
.stage-note{margin-top:1.25rem;font-size:.875rem;color:var(--slate-soft)}

/* ---------- Formulario de acceso anticipado ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1)}
.waitlist{padding:1.25rem;box-shadow:var(--sh-3);border-color:var(--line)}
@media (min-width:768px){.waitlist{padding:1.75rem}}
.waitlist h2,.waitlist .wl-title{font:700 1.25rem/1.3 var(--font-head);letter-spacing:-.01em}
.waitlist .wl-sub{margin-top:.25rem;font-size:.9rem;color:var(--slate)}
.seg{display:grid;grid-template-columns:1fr 1fr;gap:.25rem;margin-top:1rem;padding:.25rem;background:var(--chip);border-radius:var(--r-sm)}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg label{display:flex;align-items:center;justify-content:center;min-height:2.75rem;padding:.4rem .5rem;border-radius:6px;font-weight:600;font-size:.875rem;color:var(--slate);text-align:center;cursor:pointer;transition:background-color .15s,color .15s}
.seg input:checked+label{background:var(--navy);color:#fff}
.seg input:focus-visible+label{outline:2px solid var(--emerald-ring);outline-offset:2px}
.field{margin-top:.9rem}
.field label{display:block;margin-bottom:.35rem;font-weight:600;font-size:.875rem}
.field input[type=text],.field input[type=email]{width:100%;min-height:3rem;padding:.7rem 1rem;border:1px solid var(--line-2);border-radius:var(--r-sm);background:#fff;color:var(--navy);font:400 1rem var(--font-body)}
.field input::placeholder{color:#94a3b8}
.field input:hover{border-color:var(--slate-soft)}
.field input:focus{outline:2px solid var(--emerald-ring);outline-offset:1px;border-color:var(--emerald)}
.consent{display:flex;gap:.6rem;align-items:flex-start;margin-top:1rem;font-size:.8125rem;line-height:1.5;color:var(--slate)}
.consent input{width:1.15rem;height:1.15rem;margin-top:.15rem;flex:none;accent-color:var(--navy)}
.waitlist .btn{margin-top:1.1rem}
.risk-reversal{display:flex;gap:.5rem;align-items:center;justify-content:center;margin-top:.8rem;font-size:.8125rem;color:var(--slate)}
.risk-reversal .ic{width:1rem;height:1rem;color:var(--emerald)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-msg{margin-top:.8rem;padding:.7rem .9rem;border-radius:var(--r-sm);font-size:.875rem}
.form-msg.is-error{background:var(--alert-bg);border:1px solid var(--alert-line);color:var(--alert-text)}
.form-success{padding:.5rem 0}
.form-success .ic{width:2.25rem;height:2.25rem;color:var(--emerald)}
.form-success h3{margin-top:.5rem}
.form-success p{margin-top:.4rem;color:var(--slate)}

/* ---------- Secciones ---------- */
.section{padding:3.5rem 0}
@media (min-width:768px){.section{padding:5rem 0}}
.section-alt{background:#fff;border-block:1px solid var(--line)}
.section-head{max-width:46rem;margin-bottom:2rem}
.section-head p{margin-top:.75rem;color:var(--slate);font-size:1.0625rem}
.kicker{display:block;margin-bottom:.5rem;font-size:.8125rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--emerald)}

.pain-grid{display:grid;gap:1rem}
@media (min-width:860px){.pain-grid{grid-template-columns:repeat(3,1fr)}}
.pain{padding:1.4rem;display:flex;flex-direction:column;gap:1rem}
.pain blockquote{margin:0;padding:.8rem 1rem;background:var(--alert-bg);border:1px solid var(--alert-line);border-radius:var(--r-sm);color:var(--alert-text);font-weight:600;font-size:.95rem}
.pain p{color:var(--slate)}
.pain .answer{display:flex;gap:.6rem;align-items:flex-start;color:var(--navy);font-weight:500}
.pain .answer .ic{color:var(--emerald);margin-top:.15rem}

.steps{display:grid;gap:1rem;counter-reset:step}
@media (min-width:860px){.steps{grid-template-columns:repeat(3,1fr)}}
.step{position:relative;padding:1.5rem 1.4rem 1.4rem}
.step::before{counter-increment:step;content:counter(step);display:grid;place-items:center;width:2.25rem;height:2.25rem;margin-bottom:.9rem;border-radius:50%;background:var(--navy);color:#fff;font:700 1rem var(--font-head)}
.step p{margin-top:.5rem;color:var(--slate)}
.more-link{display:inline-flex;align-items:center;gap:.4rem;margin-top:1.5rem;font-weight:600}

.split{display:grid;gap:1rem}
@media (min-width:860px){.split{grid-template-columns:1fr 1fr}}
.audience{padding:1.75rem}
.audience h3{font-size:1.25rem}
.ticks{display:grid;gap:.7rem;margin:1.1rem 0 1.4rem}
.ticks li{display:flex;gap:.6rem;align-items:flex-start}
.ticks .ic{color:var(--emerald);margin-top:.2rem}

.trust{background:var(--navy);color:#e2e8f0;padding:3.5rem 0}
@media (min-width:768px){.trust{padding:5rem 0}}
.trust h2{color:#fff}
.trust .section-head p{color:#cbd5e1}
.trust .kicker{color:#6ee7b7}
.trust-grid{display:grid;gap:1rem}
@media (min-width:860px){.trust-grid{grid-template-columns:repeat(3,1fr)}}
.trust-card{padding:1.5rem;border:1px solid rgba(255,255,255,.12);border-radius:var(--r-md);background:rgba(255,255,255,.04)}
.trust-card .ic{width:1.75rem;height:1.75rem;color:#6ee7b7}
.trust-card h3{margin-top:.9rem;color:#fff}
.trust-card p{margin-top:.5rem;color:#cbd5e1;font-size:.95rem}
.trust-note{margin-top:1.5rem;font-size:.875rem;color:#94a3b8}

.chips{display:flex;flex-wrap:wrap;gap:.6rem}
.chip{display:inline-flex;align-items:center;gap:.4rem;min-height:2.75rem;padding:.4rem 1rem;border:1px solid var(--line-2);border-radius:var(--r-full);background:#fff;color:var(--navy);font:600 .9rem var(--font-body);cursor:pointer}
.chip:hover{border-color:var(--navy);background:var(--chip)}
.chip .ic{width:1rem;height:1rem;color:var(--emerald)}

.facts{display:grid;gap:.9rem;margin:0}
@media (min-width:768px){.facts{grid-template-columns:repeat(2,1fr)}}
.facts div{padding:1rem 1.1rem;background:#fff;border:1px solid var(--line);border-radius:var(--r-md)}
.facts dt{font-size:.8125rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--slate-soft)}
.facts dd{margin:.25rem 0 0;font-weight:500}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:.6rem}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r-md)}
.faq details[open]{border-color:var(--line-2);box-shadow:var(--sh-1)}
.faq summary{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1rem 1.25rem;font:700 1rem/1.4 var(--font-head);cursor:pointer;list-style:none;min-height:3.25rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary .ic{transition:transform .2s;color:var(--slate-soft)}
.faq details[open] summary .ic{transform:rotate(180deg)}
.faq .a{padding:0 1.25rem 1.1rem;color:var(--slate)}
.faq .a p+p{margin-top:.6rem}

/* ---------- CTA final ---------- */
.cta-final{padding:3.5rem 0;background:linear-gradient(180deg,var(--canvas),var(--tint))}
.cta-final .container{display:grid;gap:2rem}
@media (min-width:960px){.cta-final .container{grid-template-columns:1fr 1fr;align-items:center;gap:3.5rem}}

/* ---------- Páginas interiores / prosa ---------- */
.page-head{padding:2.5rem 0 1.5rem;background:linear-gradient(180deg,var(--tint),var(--canvas))}
.page-head .lead{max-width:44rem}
.breadcrumb{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:1rem;font-size:.875rem;color:var(--slate-soft)}
.breadcrumb a{color:var(--slate)}
.breadcrumb li+li::before{content:"/";margin-right:.4rem;color:var(--line-2)}
.prose{padding:2rem 0 4rem}
.prose h2{margin-top:2.5rem;font-size:1.5rem}
.prose h3{margin-top:1.5rem}
.prose p,.prose ul,.prose ol{margin-top:.9rem}
.prose ul{list-style:disc;padding-left:1.25rem}
.prose ol{list-style:decimal;padding-left:1.25rem}
.prose li+li{margin-top:.4rem}
.prose .updated{margin-top:0;font-size:.875rem;color:var(--slate-soft)}
.callout{margin-top:1.5rem;padding:1rem 1.25rem;border-radius:var(--r-md);background:var(--emerald-soft);border:1px solid var(--emerald-line);color:var(--emerald-text)}
.callout.warn{background:#fffbeb;border-color:#fde68a;color:#78350f}
.callout strong{display:block;margin-bottom:.2rem}
.signal{display:flex;gap:.8rem;align-items:flex-start;padding:1rem 1.1rem;margin-top:.7rem;background:#fff;border:1px solid var(--line);border-radius:var(--r-md)}
.signal .ic{color:var(--alert-text);margin-top:.15rem}
.signal strong{display:block}
.signal p{margin:.15rem 0 0;color:var(--slate)}

/* ---------- Footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:3rem 0 6rem}
@media (min-width:900px){.site-footer{padding-bottom:2.5rem}}
.footer-grid{display:grid;gap:2rem}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
.site-footer h2{font:700 .875rem var(--font-head);letter-spacing:.04em;text-transform:uppercase;color:var(--slate-soft)}
.site-footer ul{margin-top:.8rem;display:grid;gap:.5rem}
.site-footer a{color:var(--slate);text-decoration:none}
.site-footer a:hover{color:var(--navy);text-decoration:underline}
.site-footer .about{margin-top:.8rem;color:var(--slate);font-size:.9rem;max-width:26rem}
.legal-line{margin-top:2rem;padding-top:1.25rem;border-top:1px solid var(--line);font-size:.8125rem;color:var(--slate-soft)}

/* ---------- CTA fijo en móvil ---------- */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:40;padding:.6rem 1rem calc(.6rem + env(safe-area-inset-bottom));background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-top:1px solid var(--line);transform:translateY(110%);transition:transform .25s}
.sticky-cta.is-visible{transform:none}
@media (min-width:900px){.sticky-cta{display:none}}

/* utilidades */
.center{text-align:center}
.mt-2{margin-top:1rem}
.mt-3{margin-top:1.5rem}
[hidden]{display:none!important}