/* =========================================================================
   RT — Consultoría CRO & UX · Sistema de diseño v2
   Dirección: oscuro, bold, naranja protagonista, alto contraste, con movimiento.
   ========================================================================= */

:root{
  --bg:#100C0A;            /* near-black cálido */
  --bg-2:#15100D;          /* secciones alternas */
  --surface:#1B1411;       /* cards */
  --surface-2:#231A15;     /* hover / lifted */

  --text:#F6EFE8;
  --text-2:#B7ABA0;
  --text-3:#867A6F;

  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.16);

  --accent:#E86024;
  --accent-2:#FF7A3D;      /* hover (más brillante sobre oscuro) */
  --accent-soft:rgba(232,96,36,.14);
  --shadow:0 28px 56px -30px rgba(0,0,0,.7);

  --display:"Bricolage Grotesque", system-ui, sans-serif;
  --sans:"Hanken Grotesk", system-ui, sans-serif;
  --mono:"IBM Plex Mono", ui-monospace, monospace;

  --maxw:1200px;
  --gutter:clamp(20px,5vw,72px);
  --radius:16px;
  --radius-sm:10px;

  /* escala de espaciado vertical */
  --sp-1:.5rem; --sp-2:.85rem; --sp-3:1.4rem; --sp-4:2.2rem; --sp-5:3.4rem;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--sans);font-size:clamp(16px,1.05vw,17.5px);line-height:1.6;
  font-weight:420;-webkit-font-smoothing:antialiased;letter-spacing:-.003em;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
::selection{background:var(--accent);color:#fff}

/* ---------- Tipografía ---------- */
h1,h2,h3,h4{font-family:var(--display);font-weight:700;line-height:1.02;letter-spacing:-.025em;margin:0;color:var(--text)}
h1{font-size:clamp(2.7rem,7vw,5.6rem);font-weight:800;letter-spacing:-.035em}
h2{font-size:clamp(2rem,4vw,3.3rem);font-weight:750}
h3{font-size:clamp(1.35rem,2vw,1.8rem)}
h4{font-size:1.18rem;font-weight:700}
p{margin:0 0 1em}
.accent{color:var(--accent)}
.lead{font-size:clamp(1.12rem,1.5vw,1.36rem);color:var(--text-2);line-height:1.55;font-weight:420}

/* Eyebrow: mayúsculas tracked en naranja (estilo de la referencia) */
.eyebrow{
  font-family:var(--sans);font-size:.76rem;font-weight:640;text-transform:uppercase;
  letter-spacing:.2em;color:var(--accent);display:inline-block;margin:0 0 var(--sp-3);
}
.eyebrow.muted{color:var(--text-3)}

/* ---------- Layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(72px,10vw,140px)}
.section--tight{padding-block:clamp(44px,6vw,72px)}
.alt{background:var(--bg-2)}
.divider{height:1px;background:var(--line);border:0;margin:0}
.section-head{max-width:60ch;margin-bottom:clamp(40px,5vw,64px)}
.section-head.center{margin-inline:auto;text-align:center}
.cols-2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px)}
.cols-2.vc{align-items:center}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;gap:.55em;border-radius:100px;font-weight:600;
  font-size:.97rem;letter-spacing:-.01em;padding:.82em 1.5em;border:1px solid transparent;white-space:nowrap;
  transition:transform .2s cubic-bezier(.2,.7,.2,1),background .2s,color .2s,border-color .2s,box-shadow .25s}
.btn .arr{transition:transform .25s ease}
.btn:hover .arr{transform:translateX(4px)}
.btn--primary{background:var(--accent);color:#160d07;font-weight:680}
.btn--primary:hover{background:var(--accent-2);transform:translateY(-2px);box-shadow:0 10px 30px -10px rgba(232,96,36,.6)}
.btn--ghost{background:transparent;color:var(--text);border-color:var(--line-2)}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn--light{background:var(--text);color:var(--bg)}
.btn--light:hover{transform:translateY(-2px);box-shadow:0 10px 30px -12px rgba(0,0,0,.7)}
.btn--sm{font-size:.88rem;padding:.6em 1.15em}
.link-arrow{font-weight:620;color:var(--text);display:inline-flex;align-items:center;gap:.45em;
  border-bottom:2px solid var(--accent);padding-bottom:2px;transition:gap .2s,color .2s}
.link-arrow:hover{gap:.75em;color:var(--accent)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 78%,transparent);
  backdrop-filter:blur(14px) saturate(1.2);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:.55rem;font-family:var(--display);font-weight:800;font-size:1.3rem;letter-spacing:-.02em;color:var(--accent)}
.brand img{height:34px;width:auto}
.brand span{color:var(--accent)}
.brand small{font-family:var(--mono);font-size:.58rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--text-3);font-weight:500;align-self:center;border-left:1px solid var(--line-2);padding-left:.55rem}
.nav-links{display:flex;align-items:center;gap:1.8rem;list-style:none;margin:0;padding:0}
.nav-links a{font-size:.93rem;color:var(--text-2);font-weight:500;transition:color .2s;position:relative}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--text)}
.nav-links a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:-22px;height:2px;background:var(--accent)}
.nav-right{display:flex;align-items:center;gap:1.1rem}
.nav-toggle{display:none;background:none;border:0;padding:6px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--text);margin:5px 0;transition:.25s}

/* ---------- Hero (centrado, atmósfera) ---------- */
.hero{position:relative;text-align:center;padding-block:clamp(80px,13vh,150px) clamp(20px,4vw,40px);overflow:hidden}
.hero-glow{position:absolute;top:-10%;left:50%;transform:translateX(-50%);width:min(900px,120vw);height:560px;
  background:radial-gradient(50% 50% at 50% 50%,var(--accent-soft) 0%,transparent 70%);filter:blur(20px);pointer-events:none;z-index:0}
.hero-inner{position:relative;z-index:1;max-width:960px;margin-inline:auto}
.hero h1{margin-bottom:var(--sp-3)}
.hero .lead{margin:0 auto var(--sp-4);max-width:52ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:.8rem;align-items:center}
.hero .hero-cta{justify-content:center}
.hero-note{font-family:var(--mono);font-size:.76rem;color:var(--text-3);letter-spacing:.02em;margin:var(--sp-4) 0 0}

/* Strip de diferenciadores (estilo referencia) */
.feature-row{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}
.feat-col{padding:clamp(24px,3vw,40px) clamp(20px,2.4vw,36px);border-right:1px solid var(--line)}
.feat-col:last-child{border-right:0}
.feat-col h4{color:var(--accent);margin-bottom:var(--sp-2);font-size:1.12rem}
.feat-col p{color:var(--text-2);margin:0;font-size:.97rem}

/* ---------- Evidencia (card oscura) ---------- */
.evidence{background:var(--surface);border:1px solid var(--line-2);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow)}
.evidence-bar{display:flex;align-items:center;gap:.5rem;padding:.75rem 1.05rem;border-bottom:1px solid var(--line);background:var(--surface-2)}
.evidence-bar .dot{width:9px;height:9px;border-radius:50%;background:var(--line-2)}
.evidence-bar .tag{margin-left:auto;font-family:var(--mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--text-3)}
.evidence-body{padding:1.3rem 1.4rem 1.5rem}
.evidence-h{font-family:var(--mono);font-size:.66rem;text-transform:uppercase;letter-spacing:.14em;color:var(--text-3);margin-bottom:1rem}
.fric{display:flex;align-items:center;gap:.85rem;padding:.66rem 0;border-top:1px solid var(--line)}
.fric:first-of-type{border-top:0}
.fric .pin{flex:0 0 auto;width:24px;height:24px;border-radius:7px;display:grid;place-items:center;
  font-family:var(--mono);font-size:.66rem;font-weight:600;color:var(--text);background:var(--surface-2);border:1px solid var(--line-2)}
.fric .pin.hot{background:var(--accent);color:#160d07;border-color:transparent}
.fric .txt{flex:1;font-size:.87rem;color:var(--text-2);line-height:1.3}
.fric .sev{flex:0 0 64px}
.bar{height:6px;border-radius:4px;background:var(--surface-2);overflow:hidden}
.bar i{display:block;height:100%;background:var(--accent);border-radius:4px}
.bar.mid i{background:var(--text-3)}
.bar.low i{background:var(--line-2)}

/* ---------- Prueba rápida / chips ---------- */
.proof-row{display:flex;flex-wrap:wrap;gap:1.4rem}
.proof-chip{display:flex;align-items:center;gap:.6rem;font-size:.95rem;color:var(--text-2)}
.proof-chip .mk{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 auto}

/* ---------- Dolores ---------- */
.pains{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.pain{padding:clamp(26px,3vw,44px);border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:background .25s}
.pain:hover{background:var(--bg-2)}
.pain q{font-family:var(--display);font-weight:700;font-size:clamp(1.3rem,2vw,1.7rem);color:var(--text);quotes:"“" "”";display:block;margin-bottom:var(--sp-2);line-height:1.12;letter-spacing:-.02em}
.pain p{margin:0;color:var(--text-2);font-size:.98rem}
.pain .num{font-family:var(--mono);font-size:.72rem;color:var(--accent);letter-spacing:.1em;margin-bottom:var(--sp-3);display:block;font-weight:600}

/* ---------- Cards de servicio ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.svc{display:flex;flex-direction:column;gap:.7rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(24px,2.8vw,36px);transition:transform .25s cubic-bezier(.2,.7,.2,1),border-color .25s,background .25s,box-shadow .3s;position:relative;overflow:hidden}
.svc::after{content:"";position:absolute;inset:0;border-radius:var(--radius);pointer-events:none;box-shadow:inset 0 0 0 1px transparent;transition:box-shadow .3s}
.svc:hover{transform:translateY(-4px);background:var(--surface-2);box-shadow:var(--shadow)}
.svc:hover::after{box-shadow:inset 0 0 0 1px var(--accent)}
.svc .svc-tag{font-family:var(--mono);font-size:.66rem;text-transform:uppercase;letter-spacing:.14em;color:var(--text-3)}
.svc .svc-prob{font-family:var(--display);font-weight:700;color:var(--text);font-size:1.22rem;line-height:1.18;letter-spacing:-.02em}
.svc h3{font-size:1.3rem}
.svc p{color:var(--text-2);font-size:.96rem;margin:0;flex:1}
.svc .svc-cta{margin-top:.5rem;font-weight:640;color:var(--accent);display:inline-flex;align-items:center;gap:.4em;font-size:.95rem;transition:gap .2s}
.svc:hover .svc-cta{gap:.7em}
.svc.feat{background:linear-gradient(160deg,rgba(232,96,36,.16),var(--surface) 60%);border-color:rgba(232,96,36,.4)}
.svc.fifth{grid-column:1 / -1;flex-direction:row;align-items:center;gap:2rem;flex-wrap:wrap}
.svc.fifth>div:first-child{flex:1;min-width:240px;display:flex;flex-direction:column;gap:.55rem}

/* ---------- Proceso PGD ---------- */
.process{display:grid;grid-template-columns:repeat(5,1fr);border-top:2px solid var(--accent)}
.step{padding:1.8rem 1.3rem 0;position:relative}
.step .n{font-family:var(--mono);font-size:.78rem;color:var(--accent);letter-spacing:.1em;font-weight:600}
.step h4{margin:.7rem 0 .45rem;font-size:1.16rem}
.step p{font-size:.9rem;color:var(--text-2);margin:0}

/* ---------- Bloque CTA (superficie elevada) ---------- */
.ink-block{background:linear-gradient(160deg,var(--surface-2),var(--surface));border:1px solid var(--line-2);border-radius:var(--radius);position:relative;overflow:hidden}
.ink-block::before{content:"";position:absolute;top:-40%;left:50%;transform:translateX(-50%);width:600px;height:380px;
  background:radial-gradient(50% 50% at 50% 50%,var(--accent-soft),transparent 70%);pointer-events:none}
.cta-band{text-align:center;max-width:46ch;margin-inline:auto;position:relative}
.cta-band h2{margin-bottom:var(--sp-3)}
.cta-band p{margin-bottom:var(--sp-4)}
.cta-band .hero-cta{justify-content:center}

/* ---------- Páginas internas ---------- */
.page-hero{padding-block:clamp(64px,8vw,108px);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-hero h1{font-size:clamp(2.4rem,5.5vw,4.4rem)}
.page-hero .lead{max-width:48ch;margin-top:var(--sp-3)}
.breadcrumb{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-3);margin-bottom:var(--sp-3)}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--accent)}

/* ---------- Listas ---------- */
.checklist{list-style:none;margin:0;padding:0;display:grid;gap:.85rem}
.checklist li{display:flex;gap:.8rem;align-items:flex-start;font-size:1rem;color:var(--text-2)}
.checklist li::before{content:"";flex:0 0 auto;margin-top:.55em;width:7px;height:7px;border-radius:2px;background:var(--accent)}
.symptoms li::before{transform:rotate(45deg);border-radius:1px}
.cost{border-left:3px solid var(--accent);background:var(--surface);padding:1.4rem 1.6rem;border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-size:1.05rem;color:var(--text-2)}
.cost strong{color:var(--text)}
.steps-mini{list-style:none;margin:0;padding:0;counter-reset:s;display:grid;gap:1.1rem}
.steps-mini li{display:flex;gap:1rem;align-items:baseline;color:var(--text-2)}
.steps-mini li::before{counter-increment:s;content:counter(s);font-family:var(--mono);font-size:.82rem;color:var(--accent);
  border:1px solid var(--line-2);border-radius:50%;width:30px;height:30px;display:grid;place-items:center;flex:0 0 auto;font-weight:600}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:1.25rem 0;display:flex;justify-content:space-between;gap:1rem;
  font-family:var(--display);font-weight:600;font-size:1.16rem;color:var(--text);transition:color .2s}
.faq summary:hover{color:var(--accent)}
.faq summary::-webkit-details-marker{display:none}
.faq summary .ic{font-family:var(--mono);color:var(--accent);transition:transform .25s;flex:0 0 auto}
.faq details[open] summary .ic{transform:rotate(45deg)}
.faq p{padding:0 0 1.3rem;margin:0;color:var(--text-2);max-width:64ch}

/* ---------- Casos ---------- */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.case{display:block;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(24px,2.8vw,34px);background:var(--surface);transition:transform .25s,box-shadow .3s,border-color .25s}
.case:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2)}
.case .ind{font-family:var(--mono);font-size:.66rem;text-transform:uppercase;letter-spacing:.14em;color:var(--text-3);margin-bottom:1rem}
.case h3{font-size:1.34rem;margin-bottom:.6rem}
.case p{color:var(--text-2)}
.case .metrics{display:flex;gap:1.8rem;margin-top:1.3rem;border-top:1px solid var(--line);padding-top:1.2rem}
.case .metric .v{font-family:var(--display);font-weight:800;font-size:1.7rem;color:var(--accent);letter-spacing:-.03em}
.case .metric .l{font-family:var(--mono);font-size:.62rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text-3)}

/* ---------- Blog ---------- */
.post{display:flex;gap:1.4rem;padding:1.7rem 0;border-top:1px solid var(--line);align-items:baseline;transition:padding-left .25s}
.post:hover{padding-left:.6rem}
.post:hover h3{color:var(--accent)}
.post .meta{flex:0 0 130px;font-family:var(--mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text-3)}
.post h3{font-size:1.45rem;margin-bottom:.4rem;transition:color .2s}
.post p{color:var(--text-2);margin:0;font-size:.98rem}

/* ---------- Prosa ---------- */
.prose{max-width:68ch}
.prose h2{font-size:1.8rem;margin:2.4rem 0 .8rem}
.prose h3{margin:1.9rem 0 .6rem}
.prose p{font-size:1.08rem;color:var(--text-2);line-height:1.75}
.prose ul{padding-left:1.1rem;color:var(--text-2)}
.prose li{margin-bottom:.55rem}
.prose strong{color:var(--text)}

/* ---------- Formulario ---------- */
.form{display:grid;gap:1.1rem}
.field{display:grid;gap:.4rem}
.field label{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text-3)}
.field input,.field select,.field textarea{font:inherit;font-size:1rem;padding:.85rem .95rem;border:1px solid var(--line-2);
  border-radius:var(--radius-sm);background:var(--surface);color:var(--text);transition:border-color .2s,box-shadow .2s}
.field input::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.field textarea{resize:vertical;min-height:100px}
.form-note{font-family:var(--mono);font-size:.72rem;color:var(--text-3)}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}

/* ---------- Footer ---------- */
.site-footer{background:#0A0807;border-top:1px solid rgba(255,255,255,.09);padding-block:clamp(56px,7vw,88px) 2rem}
.site-footer a{color:rgba(246,239,232,.66);transition:color .2s}
.site-footer a:hover{color:var(--accent)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:2.5rem;padding-bottom:2.6rem;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-grid h5{font-family:var(--mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.14em;color:rgba(246,239,232,.45);margin:0 0 1rem;font-weight:500}
.footer-grid ul{list-style:none;margin:0;padding:0;display:grid;gap:.65rem;font-size:.94rem}
.footer-brand p{color:rgba(246,239,232,.5);font-size:.95rem;max-width:36ch}
.footer-bottom{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding-top:1.6rem;font-family:var(--mono);font-size:.72rem;letter-spacing:.04em;color:rgba(246,239,232,.4)}

/* ---------- Motion ---------- */
@keyframes rise{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
.rise{opacity:0;animation:rise .85s cubic-bezier(.2,.7,.2,1) forwards;animation-delay:var(--d,0s)}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rise,.reveal{opacity:1!important;transform:none!important;animation:none!important;transition:none!important}}

/* ---------- Responsive ---------- */
@media(max-width:920px){
  .cols-2,.svc-grid,.case-grid,.pains{grid-template-columns:1fr}
  .process{grid-template-columns:1fr 1fr;gap:1.5rem 0;border-top:0}
  .step{border-top:2px solid var(--accent);padding-top:1.2rem}
  .feature-row{grid-template-columns:1fr;border-left:1px solid var(--line)}
  .feat-col{border-right:0;border-bottom:1px solid var(--line)}
  .svc.fifth{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr}
  .row-2{grid-template-columns:1fr}
}
@media(max-width:680px){
  .nav-links,.nav-right .btn{display:none}
  .nav-toggle{display:block}
  .nav-links.open{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;background:var(--bg);
    border-bottom:1px solid var(--line);padding:1.2rem var(--gutter);gap:1.1rem;z-index:40}
  .nav-links.open a[aria-current="page"]::after{display:none}
  .post{flex-direction:column;gap:.35rem}
  .post .meta{flex-basis:auto}
  .footer-grid{grid-template-columns:1fr}
  .case .metrics{gap:1.2rem}
}

/* ---------- Tema claro ---------- */
:root[data-theme="light"]{
  --bg:#FBF7F1; --bg-2:#F2EBE0; --surface:#FFFFFF; --surface-2:#F7F0E7;
  --text:#1A130D; --text-2:#574C42; --text-3:#8A7E71;
  --line:rgba(26,19,13,.10); --line-2:rgba(26,19,13,.17);
  --accent-soft:rgba(232,96,36,.12);
  --shadow:0 24px 50px -30px rgba(60,40,20,.22);
}
body{transition:background-color .35s ease,color .35s ease}
.site-header{transition:background-color .35s ease,border-color .35s ease}

/* ---------- Toggle de tema ---------- */
.theme-toggle{background:transparent;border:1px solid var(--line-2);color:var(--text);width:40px;height:40px;
  border-radius:50%;display:grid;place-items:center;transition:border-color .2s,color .2s,transform .2s}
.theme-toggle:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.theme-toggle svg{width:18px;height:18px}
.theme-toggle .moon{display:none}
:root[data-theme="light"] .theme-toggle .sun{display:none}
:root[data-theme="light"] .theme-toggle .moon{display:block}