/* ===========================================================
   Sstrategy Advisors — Hoja de estilos global
   Partner de Estrategia y Continuidad Empresarial
   =========================================================== */

:root{
  --black:#121212;
  --charcoal:#1d1d1d;
  --red:#b91c2c;
  --red-dark:#8f1521;
  --cream:#f7f5f1;
  --cream-2:#efebe4;
  --grey:#5c5c5c;
  --grey-light:#9a9a9a;
  --border:#e3ddd3;
  --white:#ffffff;
  --radius:2px;
  --maxw:1180px;
  --serif:"Playfair Display", Georgia, serif;
  --sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--charcoal);
  background:var(--cream);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;}
section{padding:96px 0;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}

h1,h2,h3,h4{
  font-family:var(--serif);
  font-weight:700;
  line-height:1.15;
  margin:0 0 20px;
  color:var(--black);
}
h1{font-size:clamp(2.2rem,5vw,3.6rem);}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem);}
h3{font-size:1.25rem;}
p{margin:0 0 16px;color:var(--grey);}
.lead{font-size:1.2rem;color:var(--charcoal);}
.eyebrow{
  font-family:var(--sans);
  text-transform:uppercase;
  letter-spacing:.14em;
  font-size:.78rem;
  font-weight:600;
  color:var(--red);
  margin-bottom:14px;
  display:inline-block;
}
.center{text-align:center;}
.section-head{max-width:720px;margin:0 auto 56px;text-align:center;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;
  font-family:var(--sans);
  font-weight:600;
  font-size:.95rem;
  letter-spacing:.02em;
  padding:16px 32px;
  border-radius:var(--radius);
  transition:all .2s ease;
  border:1px solid transparent;
  cursor:pointer;
}
.btn-primary{background:var(--red);color:var(--white);}
.btn-primary:hover{background:var(--red-dark);}
.btn-outline{border-color:var(--black);color:var(--black);}
.btn-outline:hover{background:var(--black);color:var(--white);}
.btn-outline-light{border-color:rgba(255,255,255,.5);color:var(--white);}
.btn-outline-light:hover{background:var(--white);color:var(--black);}
.btn-block{display:block;width:100%;text-align:center;}
.cta-row{display:flex;gap:16px;flex-wrap:wrap;}

/* ---------- Header ---------- */
header.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--black);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-wrap{
  max-width:var(--maxw);margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;
  height:76px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
}
.logo img{
  height:42px;
  width:42px;
  display:block;
}
.logo-text{
  font-family:var(--serif);
  font-size:1.2rem;
  font-weight:700;
  color:var(--white);
  letter-spacing:.01em;
}
.logo-text span{color:var(--red);}
nav.main-nav ul{display:flex;gap:32px;align-items:center;}
nav.main-nav a{
  color:rgba(255,255,255,.82);
  font-size:.92rem;
  font-weight:500;
  transition:color .2s;
}
nav.main-nav a:hover,nav.main-nav a.active{color:var(--white);}
.nav-cta{
  background:var(--red);color:var(--white)!important;
  padding:10px 20px;border-radius:var(--radius);font-weight:600;
}
.nav-cta:hover{background:var(--red-dark);}
.menu-toggle{display:none;background:none;border:none;color:var(--white);font-size:1.6rem;cursor:pointer;}

@media (max-width:880px){
  nav.main-nav{
    position:fixed;top:76px;left:0;right:0;bottom:0;
    background:var(--black);
    display:flex;flex-direction:column;
    padding:32px 24px;
    transform:translateY(-110%);
    transition:transform .25s ease;
    overflow-y:auto;
  }
  nav.main-nav.open{transform:translateY(0);}
  nav.main-nav ul{flex-direction:column;align-items:flex-start;gap:22px;}
  .menu-toggle{display:block;}
}

/* ---------- Hero ---------- */
.hero{
  background:var(--black);
  color:var(--white);
  padding:120px 0 100px;
  position:relative;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-120px;
  width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(185,28,44,.28),transparent 70%);
}
.hero .container{position:relative;z-index:2;}
.hero h1{color:var(--white);max-width:780px;}
.hero p.lead{color:rgba(255,255,255,.78);max-width:620px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:24px;margin-top:64px;border-top:1px solid rgba(255,255,255,.12);padding-top:40px;
}
.hero-stats .stat-num{font-family:var(--serif);font-size:2.2rem;color:var(--red);font-weight:700;}
.hero-stats .stat-label{font-size:.85rem;color:rgba(255,255,255,.7);margin-top:4px;}
@media (max-width:760px){.hero-stats{grid-template-columns:repeat(2,1fr);}}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:28px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media (max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media (max-width:600px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}}

.card{
  background:var(--white);
  border:1px solid var(--border);
  padding:32px;
  border-radius:var(--radius);
}
.card-dark{background:var(--black);color:var(--white);border:none;}
.card-dark h3,.card-dark h4{color:var(--white);}
.card-dark p{color:rgba(255,255,255,.72);}
.card .num,.problem-num{
  font-family:var(--serif);
  color:var(--red);
  font-size:1.6rem;
  font-weight:700;
  display:block;
  margin-bottom:8px;
}

.bg-dark{background:var(--black);color:var(--white);}
.bg-dark h2,.bg-dark h3,.bg-dark h4{color:var(--white);}
.bg-dark p{color:rgba(255,255,255,.72);}
.bg-cream2{background:var(--cream-2);}

/* ---------- Problem list ---------- */
.problem-item{
  display:flex;gap:18px;padding:24px 0;
  border-bottom:1px solid var(--border);
}
.problem-item:last-child{border-bottom:none;}
.problem-item .icon{
  font-family:var(--serif);color:var(--red);font-weight:700;font-size:1.1rem;
  flex-shrink:0;width:34px;
}
.problem-item h4{margin-bottom:6px;font-size:1.05rem;}
.problem-item p{margin:0;font-size:.95rem;}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:40px;border-left:2px solid var(--border);}
.timeline-item{position:relative;margin-bottom:48px;}
.timeline-item:last-child{margin-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:-47px;top:2px;
  width:14px;height:14px;border-radius:50%;background:var(--red);
  border:3px solid var(--cream);
}
.timeline-phase{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--red);font-weight:700;margin-bottom:6px;}

/* ---------- Comparison table ---------- */
table.compare{width:100%;border-collapse:collapse;background:var(--white);}
table.compare th,table.compare td{
  padding:18px 20px;border:1px solid var(--border);text-align:left;font-size:.92rem;vertical-align:top;
}
table.compare th{background:var(--black);color:var(--white);font-family:var(--serif);font-weight:700;}
table.compare td.tradicional{color:var(--grey-light);}
table.compare td.reto{color:var(--charcoal);font-weight:600;border-left:3px solid var(--red);}
@media (max-width:760px){
  table.compare,table.compare thead,table.compare tbody,table.compare th,table.compare td,table.compare tr{display:block;width:100%;}
  table.compare tr{margin-bottom:14px;}
}

/* ---------- Testimonials ---------- */
.testimonial{
  background:var(--white);border-left:3px solid var(--red);
  padding:28px 32px;border-radius:var(--radius);
}
.testimonial p{font-style:italic;color:var(--charcoal);font-size:1.02rem;}
.testimonial .who{font-weight:600;color:var(--black);font-style:normal;font-size:.88rem;}

/* ---------- FAQ ---------- */
details.faq{
  border-bottom:1px solid var(--border);
  padding:20px 0;
}
details.faq summary{
  cursor:pointer;font-weight:600;font-size:1.02rem;color:var(--black);
  list-style:none;display:flex;justify-content:space-between;align-items:center;
}
details.faq summary::-webkit-details-marker{display:none;}
details.faq summary::after{content:"+";color:var(--red);font-size:1.4rem;font-weight:400;}
details.faq[open] summary::after{content:"–";}
details.faq .faq-a{margin-top:14px;color:var(--grey);}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--red);
  color:var(--white);
  text-align:center;
  padding:80px 0;
}
.cta-band h2{color:var(--white);}
.cta-band p{color:rgba(255,255,255,.88);}
.cta-band .btn-outline-light{margin:0 8px;}

/* ---------- Forms ---------- */
form.contact-form{display:flex;flex-direction:column;gap:18px;}
form.contact-form label{font-size:.85rem;font-weight:600;color:var(--charcoal);margin-bottom:6px;display:block;}
form.contact-form input,form.contact-form textarea,form.contact-form select{
  width:100%;padding:14px;border:1px solid var(--border);border-radius:var(--radius);
  font-family:var(--sans);font-size:.95rem;background:var(--white);
}
form.contact-form input:focus,form.contact-form textarea:focus{outline:2px solid var(--red);}

/* ---------- Footer ---------- */
footer{background:var(--black);color:rgba(255,255,255,.65);padding:64px 0 28px;}
footer h4{color:var(--white);font-size:1rem;font-family:var(--sans);font-weight:700;}
footer a{color:rgba(255,255,255,.65);}
footer a:hover{color:var(--white);}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:48px;}
.footer-grid ul{display:flex;flex-direction:column;gap:10px;margin-top:14px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:.82rem;
}
@media (max-width:800px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr;}}

/* ---------- Misc ---------- */
.tag{
  display:inline-block;background:var(--cream-2);color:var(--charcoal);
  font-size:.78rem;font-weight:600;padding:6px 14px;border-radius:20px;margin-right:8px;
}
.divider{height:1px;background:var(--border);margin:64px 0;}
.breadcrumb{font-size:.85rem;color:rgba(255,255,255,.55);margin-bottom:18px;}
.breadcrumb a{color:rgba(255,255,255,.8);}
.img-frame{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);}
.flex-between{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;}