/* ARCA Asesores · arcaasesores.com.mx · 2026 */
:root{
  --navy:#22307A;--navy-2:#161F52;--navy-3:#0F153A;--blue:#3448A6;--blue-soft:#E8ECFA;
  --orange:#F08A2C;--orange-2:#C96A14;--orange-soft:#FDEFE2;--peach:#FFB877;
  --ink:#151B33;--muted:#5C6584;--bg:#F5F7FB;--card:#fff;--line:#E1E5EF;
  --radius:18px;--radius-s:12px;
  --shadow:0 1px 2px rgba(21,27,51,.06),0 14px 34px -14px rgba(21,27,51,.22);
  --font:"Manrope",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --wrap:1180px;--hdr:76px;
}
*{box-sizing:border-box}
.hero .wrap>*,.about>*,.contact-grid>*,.svc>*,.footer-grid>*,.cards>*,.pillars>*,.gallery>*,.stats>*{min-width:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--hdr) + 12px)}
body{margin:0;font-family:var(--font);font-size:17px;line-height:1.65;color:var(--ink);background:#fff}
img,picture{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.15;margin:0 0 .5em;font-weight:800;letter-spacing:-.02em;color:var(--navy-2)}
h1{font-size:clamp(2rem,4.6vw,3.35rem)}h2{font-size:clamp(1.55rem,3vw,2.25rem)}h3{font-size:1.2rem}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.3em}
b,strong{font-weight:800}
address{font-style:normal}
.muted{color:var(--muted)}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:clamp(16px,4vw,32px);padding-right:clamp(16px,4vw,32px)}
.wrap.narrow{max-width:760px}
.center{text-align:center}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--orange-2);margin-bottom:12px}
.lead{font-size:1.14rem;color:var(--muted)}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-999px;top:10px;background:#fff;color:var(--navy);padding:8px 14px;border-radius:8px;z-index:100;font-weight:700}.skip:focus{left:10px}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 24px;border-radius:999px;font-weight:800;font-size:.98rem;border:2px solid transparent;cursor:pointer;transition:transform .15s,background .15s,color .15s,border-color .15s;text-decoration:none!important;line-height:1;font-family:inherit}
.btn svg{width:20px;height:20px;flex:none}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--orange);color:#fff}.btn-primary:hover{background:var(--orange-2)}
.btn-outline{border-color:var(--navy);color:var(--navy);background:#fff}.btn-outline:hover{background:var(--blue-soft)}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.06)}.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn-light{background:#fff;color:var(--orange-2)}.btn-light:hover{background:#FFF6EE}
.btn-outline-light{border-color:rgba(255,255,255,.7);color:#fff}.btn-outline-light:hover{background:rgba(255,255,255,.14)}
.btn-wa{background:#25D366;color:#fff}.btn-wa:hover{background:#1DB954}
.btn-block{width:100%}

/* Cabecera */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}
.site-header.scrolled{border-color:var(--line);box-shadow:0 6px 24px -14px rgba(21,27,51,.25)}
.nav-wrap{display:flex;align-items:center;gap:18px;height:var(--hdr)}
.brand{display:flex;align-items:center;gap:12px;color:var(--navy-2)!important;text-decoration:none!important;margin-right:auto;min-width:0}
.brand img{width:48px;height:48px;flex:none}
.brand-text b{display:block;font-size:1.3rem;letter-spacing:.08em;line-height:1}
.brand-text small{display:block;font-size:.66rem;color:var(--muted);font-weight:700;letter-spacing:.01em;margin-top:3px;white-space:nowrap}
.nav>ul{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:2px}
.nav li{position:relative}
.nav a,.nav .sub-toggle{display:inline-flex;align-items:center;gap:6px;padding:10px 13px;border-radius:10px;font-weight:700;color:var(--ink);background:none;border:0;font:inherit;font-weight:700;cursor:pointer;text-decoration:none!important;line-height:1.2}
.nav a:hover,.nav .sub-toggle:hover{background:var(--blue-soft);color:var(--navy)}
.nav a.active{color:var(--orange-2)}
.nav .btn-nav{background:var(--navy);color:#fff;padding:12px 20px;border-radius:999px;margin-left:8px}.nav .btn-nav:hover{background:var(--blue);color:#fff}
.has-sub{display:flex;align-items:center}
.has-sub>a{padding-right:6px}
.sub-toggle{padding:10px 8px 10px 4px!important;font-size:.8rem}
.sub{position:absolute;top:100%;left:0;min-width:310px;white-space:nowrap;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:8px;display:none;flex-direction:column;gap:2px;list-style:none;margin:0}
.has-sub:hover .sub,.has-sub:focus-within .sub,.has-sub.open .sub{display:flex}
.sub a{display:block;padding:10px 12px;font-weight:600;width:100%}
.nav-toggle{display:none}
@media (max-width:980px){
  .brand-text small{display:none}
  .nav-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;width:46px;height:46px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;padding:0 11px}
  .nav-toggle span{display:block;height:2px;background:var(--navy);border-radius:2px;transition:transform .2s,opacity .2s}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .nav{position:absolute;left:0;right:0;top:var(--hdr);background:#fff;border-bottom:1px solid var(--line);display:none;padding:10px 16px 18px;box-shadow:var(--shadow);max-height:calc(100vh - var(--hdr));overflow:auto}
  .nav.open{display:block}
  .nav>ul{flex-direction:column;align-items:stretch;gap:0}
  .nav a,.nav .sub-toggle{width:100%;justify-content:space-between;padding:13px 10px;border-radius:10px}
  .has-sub{flex-wrap:wrap}
  .has-sub>a{width:auto;flex:1}
  .sub-toggle{width:46px!important;justify-content:center!important;font-size:1rem;padding:10px!important}
  .sub{position:static;display:none;border:0;box-shadow:none;padding:0 0 6px 14px;background:var(--bg);border-radius:10px;width:100%}
  .has-sub:hover .sub,.has-sub:focus-within .sub{display:none}
  .has-sub.open .sub{display:flex}
  .nav .btn-nav{margin:10px 0 0;justify-content:center;width:100%}
}

/* Hero */
.hero{background:radial-gradient(1100px 560px at 88% -20%,#33449F 0%,var(--navy-2) 52%,var(--navy-3) 100%);color:#fff;padding:clamp(52px,8vw,100px) 0 clamp(44px,6vw,80px);position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:auto -10% -40% auto;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(240,138,44,.28),transparent 65%);pointer-events:none}
.hero .wrap{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(28px,5vw,64px);align-items:center;position:relative;z-index:1}
.hero h1{color:#fff}.hero .lead{color:rgba(255,255,255,.82);max-width:560px}.hero .eyebrow{color:var(--peach)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.hero-actions.center{justify-content:center}
.hero-media{position:relative}
.hero-media img{border-radius:26px;box-shadow:0 34px 70px -24px rgba(0,0,0,.6);width:100%;object-fit:cover;aspect-ratio:4/3}
.badge-float{position:absolute;left:-20px;bottom:26px;background:#fff;color:var(--navy-2);border-radius:16px;padding:12px 18px;box-shadow:var(--shadow);display:flex;gap:12px;align-items:center}
.badge-float b{font-size:1.9rem;line-height:1;color:var(--orange-2);letter-spacing:-.03em}
.badge-float small{display:block;color:var(--muted);font-weight:700;font-size:.78rem;line-height:1.2}
.badge-float strong{font-size:.9rem}
.hero-sub{padding:clamp(40px,6vw,64px) 0}
.hero-sub .hero-media img{aspect-ratio:5/4}
.hero-plain .wrap{grid-template-columns:1fr}
.crumbs{font-size:.86rem;color:rgba(255,255,255,.72);margin-bottom:16px;display:flex;flex-wrap:wrap;gap:4px;align-items:center}
.crumbs a{color:#fff;font-weight:600}.crumbs span{opacity:.9}
.crumbs-dark{color:var(--muted);margin-bottom:8px}.crumbs-dark a{color:var(--navy)}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr}.hero-media{max-width:540px}.badge-float{left:12px;bottom:14px}}

/* Franja de confianza */
.trust{border-bottom:1px solid var(--line);background:#fff}
.trust .wrap{display:flex;align-items:center;gap:28px;flex-wrap:wrap;padding-top:20px;padding-bottom:20px}
.trust p{margin:0;font-weight:800;color:var(--muted);font-size:.86rem}
.trust ul{display:flex;gap:30px;list-style:none;margin:0;padding:0;align-items:center;flex-wrap:wrap}
.trust img{height:46px;width:auto;filter:grayscale(1);opacity:.7;transition:filter .2s,opacity .2s}.trust li:hover img{filter:none;opacity:1}

/* Secciones */
.section{padding:clamp(56px,8vw,96px) 0}
.section-alt{background:var(--bg)}
.section-head{max-width:740px;margin-bottom:38px}
.group-t{font-size:.95rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin:34px 0 16px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.group-t:first-of-type{margin-top:0}

/* Tarjetas de servicio */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:22px}
.cards-3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s,border-color .2s;color:inherit!important;text-decoration:none!important;box-shadow:0 1px 2px rgba(21,27,51,.04)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.card img{aspect-ratio:16/10;object-fit:cover;width:100%}
.card-b{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.card h3{margin:0}
.card p{color:var(--muted);margin:0;font-size:.97rem}
.card .more{margin-top:auto;padding-top:10px;font-weight:800;color:var(--orange-2);display:inline-flex;gap:6px;align-items:center}
.card .more svg{width:18px;height:18px;transition:transform .2s}.card:hover .more svg{transform:translateX(4px)}

/* Pilares */
.pillars{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:22px}
.pillar{background:#fff;border-radius:var(--radius);padding:30px 28px;border:1px solid var(--line)}
.pillar .ic{width:54px;height:54px;border-radius:15px;background:var(--orange-soft);color:var(--orange-2);display:grid;place-items:center;margin-bottom:18px}
.pillar .ic svg{width:27px;height:27px}
.pillar p{margin:0;color:var(--muted)}

/* Nosotros */
.about{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,5vw,60px);align-items:start}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px}
.stat{background:var(--bg);border-radius:var(--radius-s);padding:16px 18px}
.stat b{display:block;font-size:2rem;color:var(--navy);letter-spacing:-.03em;line-height:1.1}
.stat span{color:var(--muted);font-size:.86rem;font-weight:700}
.quote{background:var(--navy-2);color:#fff;border-radius:var(--radius);padding:34px 32px;margin:0;position:relative;overflow:hidden}
.quote::before{content:"“";position:absolute;right:22px;top:-18px;font-size:9rem;line-height:1;color:rgba(255,255,255,.08);font-family:Georgia,serif}
.quote p{font-size:1.15rem;font-weight:500;line-height:1.55;position:relative}
.quote footer{color:var(--peach);font-weight:800;position:relative}.quote footer span{color:rgba(255,255,255,.7);font-weight:600;font-size:.9rem}
@media (max-width:860px){.about{grid-template-columns:1fr}.stats{grid-template-columns:repeat(3,1fr)}}
@media (max-width:520px){.stats{grid-template-columns:1fr 1fr}}

/* Franja CTA */
.cta{background:linear-gradient(115deg,var(--orange) 0%,#F6A24F 100%);color:#fff;padding:clamp(40px,6vw,64px) 0}
.cta .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta h2{color:#fff;margin:0 0 6px}.cta p{margin:0;color:rgba(255,255,255,.92);font-size:1.05rem}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* Contacto */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,4vw,44px);align-items:start}
.info-card{background:var(--bg);border-radius:var(--radius);padding:28px 30px}
.info-card h2{font-size:1.3rem}
.info-card dl{margin:0}
.info-card dt{font-size:.74rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);font-weight:800;margin-top:18px}
.info-card dt:first-child{margin-top:0}
.info-card dd{margin:6px 0 0;font-weight:600}
.info-card dd p{margin:0}
.info-card .btn{margin-top:4px}
.form{display:grid;gap:16px;grid-template-columns:1fr 1fr}
.form .full{grid-column:1/-1}
.form label{font-weight:800;font-size:.88rem;display:block;color:var(--navy-2)}
.form input:not([type=checkbox]),.form select,.form textarea{width:100%;margin-top:6px;padding:13px 15px;border:1.5px solid var(--line);border-radius:12px;font:inherit;background:#fff;color:var(--ink);transition:border-color .15s,box-shadow .15s}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 4px rgba(52,72,166,.14)}
.form textarea{resize:vertical;min-height:130px}
.form .chk{display:flex;gap:10px;align-items:flex-start;font-weight:500;font-size:.92rem;color:var(--muted)}
.form .chk input{width:20px;height:20px;margin-top:2px;accent-color:var(--navy);flex:none}
.hp{position:absolute;left:-9999px;top:-9999px;height:0;overflow:hidden}
.form-msg{background:#FBE9E9;color:#A12626;border-radius:12px;padding:12px 16px;font-weight:700}
.map{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);margin-top:40px;background:var(--bg)}
.map iframe{display:block;width:100%;height:400px;border:0}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr}.form{grid-template-columns:1fr}}

/* Página de servicio */
.svc{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:clamp(28px,5vw,56px);align-items:start}
.svc-main h2{font-size:1.5rem;margin-top:2.2em}
.svc-main h2:first-child{margin-top:0}
.prose p{color:#2E3650}
ul.check{list-style:none;padding:0;margin:0 0 1.2em}
.check li{padding-left:34px;position:relative;margin:0 0 12px}
.check li::before{content:"";position:absolute;left:0;top:3px;width:22px;height:22px;border-radius:50%;background:var(--orange-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23C96A14' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4L9 16.2Z'/%3E%3C/svg%3E") center/13px no-repeat}
.steps{counter-reset:s;list-style:none;padding:0;margin:0 0 1.2em;display:grid;gap:16px}
.steps li{counter-increment:s;display:grid;grid-template-columns:46px 1fr;gap:16px;align-items:start}
.steps li::before{content:counter(s);width:46px;height:46px;border-radius:13px;background:var(--navy);color:#fff;font-weight:800;display:grid;place-items:center;font-size:1.05rem}
.steps b{display:block;margin-bottom:2px}.steps p{margin:0;color:var(--muted)}
.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin:30px 0}
.gallery img{border-radius:14px;aspect-ratio:4/3;object-fit:cover;width:100%}
.logos-row{display:flex;gap:28px;align-items:center;flex-wrap:wrap;margin:26px 0;padding:18px 22px;background:var(--bg);border-radius:var(--radius-s)}
.logos-row img{height:52px;width:auto}
.aside{position:sticky;top:calc(var(--hdr) + 20px);display:grid;gap:18px}
.aside-card{background:var(--navy-2);color:#fff;border-radius:var(--radius);padding:26px;display:grid;gap:10px}
.aside-card h3{color:#fff;margin:0}
.aside-card p{color:rgba(255,255,255,.78);margin:0 0 6px}
.aside-links{background:var(--bg);border-radius:var(--radius);padding:22px 24px}
.aside-links h3{font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin-bottom:8px}
.aside-links a{display:block;padding:9px 0;border-bottom:1px solid var(--line);font-weight:700;color:var(--navy-2)}
.aside-links a:last-child{border-bottom:0}
.aside-links a:hover{color:var(--orange-2);text-decoration:none}
@media (max-width:900px){.svc{grid-template-columns:1fr}.aside{position:static}}

/* FAQ */
.faq{margin-top:44px}
.faq h2{margin-top:0!important}
details{border:1px solid var(--line);border-radius:14px;padding:0 20px;margin-bottom:10px;background:#fff}
summary{cursor:pointer;font-weight:800;padding:16px 0;list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center;color:var(--navy-2)}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:1.5rem;color:var(--orange-2);line-height:1;flex:none;transition:transform .2s}
details[open] summary::after{content:"–"}
.faq-a{padding:0 0 18px;color:var(--muted)}.faq-a p{margin:0}

/* Pie */
.site-footer{background:var(--navy-3);color:rgba(255,255,255,.76);padding:60px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.site-footer h2{color:#fff;font-size:.8rem;text-transform:uppercase;letter-spacing:.14em;margin-bottom:14px}
.site-footer a{color:#fff}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.site-footer p{font-size:.95rem}
.brand-foot{color:#fff!important;margin:0 0 14px}
.brand-foot .brand-text small{color:rgba(255,255,255,.6)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.88rem}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}

/* WhatsApp flotante */
.wa-float{position:fixed;right:18px;bottom:18px;width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;box-shadow:0 12px 26px -8px rgba(37,211,102,.7);z-index:40;transition:transform .15s}
.wa-float:hover{transform:scale(1.06)}
.wa-float svg{width:30px;height:30px}

/* Utilidades */
.link-grid{list-style:none;padding:0;margin:0 0 28px;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;text-align:left}
.link-grid a{display:block;padding:12px 16px;background:var(--bg);border-radius:12px;font-weight:700}
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}.btn:hover,.card:hover{transform:none}}
@media print{.site-header,.wa-float,.cta,.site-footer .footer-grid nav{display:none!important}}