/* ============================================================
   Suma Leads — sistema de diseño
   Display: Bricolage Grotesque · Texto: Hanken Grotesk · Datos: Space Mono
   Identidad: el "+" (suma) como motivo; tarjeta "ledger" que suma leads.
   ============================================================ */

:root{
  --ink:#0C2826;       /* tinta teal profunda (texto, secciones oscuras) */
  --ink-2:#123A37;     /* superficie sobre oscuro */
  --paper:#EDF1EF;     /* fondo claro frío */
  --surface:#FFFFFF;   /* tarjetas */
  --accent:#FF6A3D;    /* coral cálido: CTAs y el "+" */
  --accent-press:#E85528;
  --accent-2:#1DBF8A;  /* verde secundario, uso mínimo */
  --muted:#5C6F6A;     /* texto secundario */
  --on-dark:#C7D4D0;   /* texto secundario sobre oscuro */
  --line:#D7DEDB;      /* hairlines */
  --line-dark:rgba(255,255,255,.12);
  --radius:14px;
  --radius-lg:22px;
  --maxw:1120px;
  --maxw-narrow:760px;
  --display:'Bricolage Grotesque',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --body:'Hanken Grotesk',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --mono:'Space Mono','SFMono-Regular',Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--body);color:var(--ink);background:var(--paper);
  font-size:18px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:var(--display);font-weight:800;line-height:1.08;letter-spacing:-.02em;margin:0 0 .5em}
h1{font-size:clamp(2.1rem,5vw,3.4rem)}
h2{font-size:clamp(1.5rem,3vw,2.1rem)}
h3{font-size:1.18rem;font-weight:600}
p{margin:0 0 1rem}
a{color:var(--ink);text-decoration-color:var(--line)}
a:hover{text-decoration-color:var(--accent)}
img,svg{max-width:100%;display:block}
strong{font-weight:700}

.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:22px}
.wrap.narrow{max-width:var(--maxw-narrow)}
.section{padding-block:clamp(48px,7vw,90px)}
.center{text-align:center}
.muted{color:var(--muted)}
.eyebrow{font-family:var(--mono);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:0 0 .8rem}
.eyebrow.center{display:block}
.section-title{margin-bottom:0}
.section-title.center{margin-inline:auto;max-width:18ch}

.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:100}
.skip-link:focus{left:8px;top:8px}

/* ---------- Botones ---------- */
.btn{
  --bg:var(--ink);--fg:#fff;--bd:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:var(--body);font-weight:600;font-size:1rem;
  padding:.72em 1.3em;border-radius:999px;border:1.5px solid var(--bd);
  background:var(--bg);color:var(--fg);cursor:pointer;
  text-decoration:none;transition:transform .12s ease,background .15s ease,box-shadow .15s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-accent{--bg:var(--accent);--fg:#1a0d06;--bd:var(--accent)}
.btn-accent:hover{--bg:var(--accent-press);--bd:var(--accent-press)}
.btn-ghost{--bg:transparent;--fg:var(--ink);--bd:var(--ink)}
.btn-ghost:hover{--bg:var(--ink);--fg:#fff}
.btn-ghost-light{--bg:transparent;--fg:#fff;--bd:rgba(255,255,255,.5)}
.btn-ghost-light:hover{--bg:#fff;--fg:var(--ink);--bd:#fff}
.btn-lg{font-size:1.05rem;padding:.85em 1.6em}
.btn-sm{font-size:.92rem;padding:.55em 1.05em}
.btn-block{display:flex;width:100%}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(237,241,239,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:.55rem;text-decoration:none;font-family:var(--display);font-weight:800;font-size:1.25rem;letter-spacing:-.02em;color:var(--ink)}
.brand-mark{display:inline-grid;place-items:center;width:30px;height:30px;background:var(--accent);color:var(--ink);border-radius:8px;font-weight:800;font-size:1.25rem;line-height:1}
.brand-name{display:inline-block}
.brand-accent{color:var(--accent)}
.main-nav{display:flex;align-items:center}
.nav-list{list-style:none;display:flex;align-items:center;gap:.4rem;margin:0;padding:0}
.nav-list a{display:inline-block;padding:.5rem .7rem;border-radius:8px;text-decoration:none;font-weight:500;font-size:.98rem;color:var(--ink)}
.nav-list a:hover{background:rgba(12,40,38,.06)}
.nav-list a[aria-current="page"]{color:var(--accent)}
.nav-cta{margin-left:.4rem}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:44px;height:40px;border:1px solid var(--line);border-radius:10px;background:var(--surface);cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);transition:.2s}

/* ---------- Hero ---------- */
.hero{background:var(--ink);color:#fff;position:relative;overflow:hidden;padding-block:clamp(54px,8vw,96px)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line-dark) 1px,transparent 1px),linear-gradient(90deg,var(--line-dark) 1px,transparent 1px);background-size:64px 64px;opacity:.5;mask-image:radial-gradient(circle at 75% 30%,#000,transparent 70%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-copy .eyebrow{color:var(--accent)}
.hero-title{color:#fff;font-size:clamp(2.3rem,5.4vw,3.7rem)}
.hero-title .hl{color:var(--accent)}
.hero-sub{color:var(--on-dark);font-size:1.15rem;max-width:46ch;margin-bottom:1.8rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem}
.hero-trust{list-style:none;display:flex;flex-wrap:wrap;gap:1.2rem;margin:1.8rem 0 0;padding:0;color:var(--on-dark);font-family:var(--mono);font-size:.82rem}

/* ---------- Ledger (firma) ---------- */
.ledger{background:var(--ink-2);border:1px solid var(--line-dark);border-radius:var(--radius-lg);padding:26px;box-shadow:0 30px 60px -30px rgba(0,0,0,.6)}
.ledger-head{display:flex;align-items:center;gap:.5rem;font-family:var(--mono);font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--on-dark);margin-bottom:1rem}
.ledger-dot{width:9px;height:9px;border-radius:50%;background:var(--accent-2);box-shadow:0 0 0 4px rgba(29,191,138,.18)}
.ledger-rows{list-style:none;margin:0;padding:0}
.ledger-rows li{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:.6rem;padding:.7rem 0;border-bottom:1px dashed var(--line-dark)}
.lr-label{color:#fff;font-weight:500}
.lr-op{color:var(--accent);font-family:var(--mono);font-weight:700}
.lr-val{font-family:var(--mono);font-weight:700;color:#fff;min-width:2ch;text-align:right;font-size:1.05rem}
.ledger-total{display:flex;align-items:center;justify-content:space-between;margin-top:1.1rem;padding-top:.4rem}
.lt-label{font-family:var(--mono);text-transform:uppercase;letter-spacing:.08em;font-size:.8rem;color:var(--on-dark)}
.lt-val{font-family:var(--display);font-weight:800;font-size:2.4rem;color:var(--accent)}

/* ---------- Tarjetas (verticales) ---------- */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px}
.vcard{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;text-decoration:none;color:var(--ink);transition:transform .15s ease,box-shadow .15s ease,border-color .15s}
.vcard:hover{transform:translateY(-3px);box-shadow:0 18px 40px -24px rgba(12,40,38,.4);border-color:var(--ink)}
.vcard-plus{display:inline-grid;place-items:center;width:38px;height:38px;background:var(--paper);color:var(--accent);border-radius:10px;font-family:var(--display);font-weight:800;font-size:1.5rem;margin-bottom:14px}
.vcard h3{margin-bottom:.4rem}
.vcard p{color:var(--muted);font-size:.98rem;margin-bottom:1rem}
.vcard-link{font-weight:600;color:var(--accent);font-size:.95rem}

/* ---------- Proceso ---------- */
.steps{list-style:none;counter-reset:none;display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:34px 0 0;padding:0}
.step{position:relative;padding:28px 24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}
.step-num{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--ink);color:#fff;font-family:var(--mono);font-weight:700;margin-bottom:14px}
.step h3{margin-bottom:.3rem}
.step p{color:var(--muted);margin:0;font-size:.98rem}

/* ---------- Calculadora ---------- */
.calc-section{background:var(--ink);color:#fff}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.calc-intro .eyebrow{color:var(--accent)}
.calc-intro .section-title{color:#fff}
.calc-intro p{color:var(--on-dark);max-width:42ch}
.calc-card{background:var(--surface);color:var(--ink);border-radius:var(--radius-lg);padding:28px}
.calc-field{margin-bottom:16px}
.calc-field label{display:block;font-size:.9rem;font-weight:600;margin-bottom:6px}
.calc-field input{width:100%;font-family:var(--mono);font-size:1.05rem;padding:.7em .9em;border:1.5px solid var(--line);border-radius:10px;background:var(--paper)}
.calc-field input:focus{outline:none;border-color:var(--accent)}
.calc-result{display:flex;align-items:center;gap:14px;margin:18px 0;padding:18px;background:var(--paper);border-radius:12px}
.cr-item{display:flex;flex-direction:column;text-align:center;flex:1}
.cr-num{font-family:var(--display);font-weight:800;font-size:1.9rem;line-height:1}
.cr-main .cr-num{color:var(--accent);font-size:2.5rem}
.cr-lbl{font-size:.78rem;color:var(--muted);margin-top:4px}
.cr-op{color:var(--muted);font-family:var(--mono)}

/* ---------- Cobertura ---------- */
.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:30px}
.chip{padding:.6em 1.2em;background:var(--surface);border:1px solid var(--line);border-radius:999px;text-decoration:none;font-weight:600;color:var(--ink);transition:.15s}
.chip:hover{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ---------- Banda CTA ---------- */
.cta-band{background:var(--accent);color:#1a0d06}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-copy h2{color:#1a0d06;margin-bottom:.3rem}
.cta-copy p{margin:0;max-width:48ch;color:#3a1d0f}
.cta-actions{display:flex;flex-wrap:wrap;gap:.8rem}
.cta-band .btn-accent{--bg:var(--ink);--fg:#fff;--bd:var(--ink)}
.cta-band .btn-accent:hover{--bg:#06201e;--bd:#06201e}
.cta-band .btn-ghost-light{--fg:#1a0d06;--bd:rgba(26,13,6,.4)}
.cta-band .btn-ghost-light:hover{--bg:var(--ink);--fg:#fff;--bd:var(--ink)}

/* ---------- Page hero (interiores) ---------- */
.page-hero{background:var(--ink);color:#fff;padding-block:clamp(40px,6vw,68px)}
.page-hero h1{color:#fff}
.page-hero .eyebrow{color:var(--accent)}
.page-lead{color:var(--on-dark);font-size:1.18rem;max-width:60ch}
.page-hero .page-lead a{color:#fff}
.crumbs{font-family:var(--mono);font-size:.8rem;color:var(--on-dark);margin-bottom:1rem}
.crumbs a{color:var(--on-dark)}
.crumbs span{margin-inline:.3rem;opacity:.6}

/* ---------- Content grid (servicio/local) ---------- */
.content-grid{display:grid;grid-template-columns:1fr 360px;gap:48px;padding-block:clamp(40px,6vw,72px);align-items:start}
.content-main .prose+.prose{margin-top:1.5rem}
.prose h2{margin-top:.2em}
.prose p{color:#22322f}
.prose a{color:var(--accent);font-weight:600}
.includes{margin-top:2rem}
.content-aside{position:sticky;top:88px}

/* listas con "+" */
.plus-list{list-style:none;margin:1rem 0;padding:0}
.plus-list li{position:relative;padding-left:1.9rem;margin-bottom:.7rem;color:#22322f}
.plus-list li::before{content:"+";position:absolute;left:0;top:-.05em;color:var(--accent);font-family:var(--display);font-weight:800;font-size:1.25rem;line-height:1.4}

/* ---------- Formulario ---------- */
.lead-form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:0 24px 50px -34px rgba(12,40,38,.45)}
.lead-form-title{font-size:1.3rem;margin-bottom:.3rem}
.lead-form-intro{color:var(--muted);font-size:.95rem;margin-bottom:1.2rem}
.lead-form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column}
.field-full{grid-column:1/-1}
.field label{font-size:.85rem;font-weight:600;margin-bottom:5px}
.field .opt{color:var(--muted);font-weight:400}
.field input,.field select,.field textarea{font-family:var(--body);font-size:1rem;padding:.65em .8em;border:1.5px solid var(--line);border-radius:10px;background:var(--paper);color:var(--ink);width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.field textarea{resize:vertical}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:4px}
.form-note{margin:0;font-size:.82rem;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{background:var(--surface);border-top:1px solid var(--line)}
.faq h2{margin-bottom:1.4rem}
.faq-grid{display:grid;gap:12px;max-width:820px}
.faq-item{border:1px solid var(--line);border-radius:12px;padding:0;background:var(--paper);overflow:hidden}
.faq-item summary{cursor:pointer;list-style:none;padding:18px 20px;font-family:var(--display);font-weight:600;font-size:1.05rem;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--accent);font-family:var(--display);font-weight:800;font-size:1.5rem;transition:transform .2s;flex-shrink:0}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-a{padding:0 20px 18px;color:#22322f}
.faq-a p{margin:0}

/* ---------- Artículo (AEO) ---------- */
.article-hero{background:var(--ink);color:#fff;padding-block:clamp(40px,6vw,64px)}
.article-hero h1{color:#fff;max-width:20ch}
.article-meta{font-family:var(--mono);font-size:.82rem;color:var(--on-dark);margin:0}
.answer-box{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:12px;padding:22px 24px;margin:34px 0;box-shadow:0 18px 40px -32px rgba(12,40,38,.4)}
.answer-label{display:inline-block;font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:.5rem}
.answer-box p{margin:0;font-size:1.12rem;color:var(--ink)}
.toc{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin-bottom:32px}
.toc-title{font-family:var(--mono);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 .6rem}
.toc ol{margin:0;padding-left:1.2rem}
.toc li{margin-bottom:.35rem}
.toc a{color:var(--ink);text-decoration:none}
.toc a:hover{color:var(--accent)}
.article-body h2{margin-top:2rem}
.article-body p,.article-body li{color:#22322f}
.takeaways{margin-top:2.2rem;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:24px}
.takeaways h2{margin-top:0}
.link-list{list-style:none;margin:0;padding:0}
.link-list li{border-top:1px solid var(--line);padding:.9rem 0}
.link-list a{text-decoration:none;font-weight:600;font-family:var(--display)}
.link-list a:hover{color:var(--accent)}

/* ---------- Índice de recursos ---------- */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.acard{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-decoration:none;color:var(--ink);transition:transform .15s,box-shadow .15s,border-color .15s}
.acard:hover{transform:translateY(-3px);box-shadow:0 18px 40px -24px rgba(12,40,38,.4);border-color:var(--ink)}
.acard-plus{position:absolute;top:18px;right:20px;color:var(--accent);font-family:var(--display);font-weight:800;font-size:1.5rem}
.acard h2{font-size:1.2rem;margin-bottom:.5rem;max-width:90%}
.acard p{color:var(--muted);font-size:.95rem;margin-bottom:1rem}
.acard-meta{font-family:var(--mono);font-size:.78rem;color:var(--accent)}

/* ---------- Contacto ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 360px;gap:48px;padding-block:clamp(40px,6vw,72px);align-items:start}
.contact-channels{list-style:none;margin:0 0 1.8rem;padding:0}
.contact-channels li{display:flex;flex-direction:column;padding:.9rem 0;border-bottom:1px solid var(--line)}
.cc-label{font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:.25rem}
.contact-channels a{font-weight:600;color:var(--accent);text-decoration:none}
.contact-promise .cp-item{font-family:var(--mono);font-size:.9rem;margin:.3rem 0;color:var(--ink)}

/* ---------- Gracias / 404 ---------- */
.thanks{padding-block:clamp(70px,12vw,140px)}
.thanks-plus{display:inline-grid;place-items:center;width:74px;height:74px;background:var(--accent);color:var(--ink);border-radius:18px;font-family:var(--display);font-weight:800;font-size:2.4rem;margin-bottom:1.4rem}
.center-actions{justify-content:center}

/* ---------- Pillar ---------- */
.pillar-services{margin-top:2.5rem}
.related h2{margin-bottom:0}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:var(--on-dark);padding-block:56px 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand .brand{color:#fff;margin-bottom:.8rem}
.footer-tag{color:var(--on-dark);max-width:32ch;margin-bottom:1.2rem}
.footer-col h3{color:#fff;font-family:var(--mono);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;font-weight:700;margin-bottom:1rem}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:.6rem}
.footer-col a{color:var(--on-dark);text-decoration:none;font-size:.96rem}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:40px;padding-top:22px;border-top:1px solid var(--line-dark);font-size:.85rem;font-family:var(--mono)}
.footer-bottom a{color:var(--on-dark)}

/* ---------- Foco accesible ---------- */
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .ledger{max-width:440px}
  .calc-grid{grid-template-columns:1fr;gap:28px}
  .cards-3,.steps{grid-template-columns:1fr 1fr}
  .content-grid,.contact-grid{grid-template-columns:1fr;gap:32px}
  .content-aside{position:static}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  body{font-size:17px}
  .nav-toggle{display:flex}
  .nav-list{position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--surface);border-bottom:1px solid var(--line);padding:10px 16px 18px;box-shadow:0 20px 30px -20px rgba(0,0,0,.25);display:none}
  .nav-list.open{display:flex}
  .nav-list a{padding:.8rem .4rem;border-radius:8px}
  .nav-cta{margin:.5rem 0 0}
  .nav-cta .btn{width:100%}
  .cards-3,.steps,.lead-form{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:420px){
  .footer-grid{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}