:root{
  --bg:#ffffff;
  --ink:#0b0f1a;
  --muted:#5a6476;
  --line:rgba(10,20,40,.12);
  --panel:#f3f1ee;          /* tono arena/gris como en tu captura */
  --shadow: 0 18px 50px rgba(10,20,40,.12);
  --r: 22px;
  --r2: 28px;
  --max: 1120px;

  --btn:#0b0f1a;
  --btn2:#ffffff;

  --focus: rgba(11,15,26,.25);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.45;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
p{ margin:0 0 14px; }

.container{
  width:min(var(--max), calc(100% - 44px));
  margin:0 auto;
}

.muted{ color:var(--muted); }
.lead{ font-size:16px; color:var(--muted); max-width:56ch; }

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:12px 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--ink);
  font-weight:600;
  letter-spacing:.2px;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
  cursor:pointer;
  user-select:none;
}
.btn:hover{ transform: translateY(-1px); border-color: rgba(10,20,40,.22); }
.btn.primary{
  background:var(--btn);
  border-color:var(--btn);
  color:var(--btn2);
}
.btn.primary:hover{ transform: translateY(-1px); }

.section{
  padding:74px 0;
}

.section-head{
  margin-bottom:28px;
}
.section-head.center{
  text-align:center;
  max-width: 820px;
  margin:0 auto 28px;
}
h1,h2,h3{
  margin:0 0 12px;
  letter-spacing:-.02em;
}
h1{ font-size:56px; line-height:1.02; }
h2{ font-size:40px; line-height:1.08; }
h3{ font-size:18px; margin-bottom:8px; }

@media (max-width: 920px){
  h1{ font-size:44px; }
  h2{ font-size:32px; }
}
@media (max-width: 560px){
  .container{ width:min(var(--max), calc(100% - 30px)); }
  h1{ font-size:36px; }
  h2{ font-size:28px; }
}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:40;
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(10px);
  border-bottom:1px solid rgba(10,20,40,.06);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:74px;
  gap:18px;
}
.brand-logo{
  height:52px;   /* proba 44 / 48 / 52 */
  width:auto;
}

.nav{
  display:flex;
  gap:22px;
  align-items:center;
  font-weight:600;
  color: rgba(11,15,26,.82);
}
.nav a{
  padding:10px 8px;
  border-radius: 12px;
}
.nav a:hover{ background: rgba(10,20,40,.04); }

.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid rgba(10,20,40,.10);
  background:#fff;
  border-radius: 14px;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  height:2px;
  width:20px;
  background: rgba(11,15,26,.9);
  margin:4px auto;
  border-radius: 3px;
}

@media (max-width: 860px){
  .nav-toggle{ display:block; }
  .nav{
    position:fixed;
    right:14px;
    top:82px;
    width:min(360px, calc(100% - 28px));
    background:#fff;
    border:1px solid rgba(10,20,40,.10);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding:10px;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
  }
  .nav a{ padding:12px 12px; }
  .nav.open{ display:flex; }
}

/* Hero */
.hero{
  padding:64px 0 40px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:34px;
  align-items:center;
}
.hero-actions{
  display:flex;
  gap:12px;
  margin-top:18px;
  flex-wrap:wrap;
}
.hero-mosaic{
  display:grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 160px 160px;
  gap:14px;
}
.mosaic{
  border-radius: var(--r2);
  overflow:hidden;
  border:1px solid rgba(10,20,40,.08);
  box-shadow: 0 18px 46px rgba(10,20,40,.10);
}
.mosaic img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.mosaic.a{ grid-column:1; grid-row:1 / span 2; }
.mosaic.b{ grid-column:2; grid-row:1; }
.mosaic.c{ grid-column:2; grid-row:2; display:none; }
.mosaic.d{ grid-column:2; grid-row:2; }

@media (max-width: 920px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-mosaic{ grid-template-rows: 180px 180px; }
  .mosaic.c{ display:block; }
  .mosaic.d{ display:none; }
}
@media (max-width: 520px){
  .hero-mosaic{ grid-template-columns: 1fr 1fr; grid-template-rows: 140px 140px; }
}

/* Strip (About) */
.strip{
  background: var(--panel);
  padding:64px 0;
  border-top:1px solid rgba(10,20,40,.05);
  border-bottom:1px solid rgba(10,20,40,.05);
}
.strip-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:28px;
  align-items:start;
}
.strip-text p{ color: rgba(11,15,26,.78); }
@media (max-width: 860px){
  .strip-grid{ grid-template-columns:1fr; }
}

/* Cards */
.cards-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:18px;
}
.card{
  border:1px solid rgba(10,20,40,.10);
  border-radius: var(--r2);
  overflow:hidden;
  background:#fff;
  box-shadow: 0 16px 42px rgba(10,20,40,.08);
}
.card-media{
  height: 210px;
}
.card-media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.card-body{
  padding:16px 16px 18px;
}
.card-body p{ color: var(--muted); margin:0; }
@media (max-width: 920px){
  .cards-3{ grid-template-columns:1fr; }
  .card-media{ height: 220px; }
}

/* Stats */
.stats{
  background: var(--panel);
  border-top:1px solid rgba(10,20,40,.05);
  border-bottom:1px solid rgba(10,20,40,.05);
}
.stats-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:28px;
  align-items:start;
}
.stats-photo{
  margin-top:16px;
  border-radius: var(--r2);
  overflow:hidden;
  border:1px solid rgba(10,20,40,.10);
  box-shadow: 0 18px 50px rgba(10,20,40,.12);
}
.stats-photo img{ width:100%; height: 340px; object-fit:cover; }

.stats-right{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:18px;
  margin-top:6px;
}
.kpi{
  background: rgba(255,255,255,.72);
  border:1px solid rgba(10,20,40,.10);
  border-radius: 22px;
  padding:18px;
}
.kpi-num{
  font-size:44px;
  font-weight:800;
  letter-spacing:-.03em;
  margin-bottom:4px;
}
.kpi-title{
  font-weight:800;
  margin-bottom:6px;
}
.kpi-text{
  color: var(--muted);
  font-size:14px;
}
@media (max-width: 920px){
  .stats-grid{ grid-template-columns:1fr; }
  .stats-photo img{ height: 260px; }
}
@media (max-width: 560px){
  .stats-right{ grid-template-columns:1fr; }
}

/* CTA band */
.cta-band{
  padding:54px 0;
}
.cta-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:22px;
  align-items:stretch;
  background: var(--panel);
  border:1px solid rgba(10,20,40,.08);
  border-radius: var(--r2);
  overflow:hidden;
}
.cta-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  min-height: 260px;
}
.cta-copy{
  padding:28px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
@media (max-width: 920px){
  .cta-grid{ grid-template-columns:1fr; }
  .cta-media img{ min-height: 220px; }
}

/* Features + clients */
.features{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
.feature{
  display:flex;
  gap:12px;
  padding:18px;
  border:1px solid rgba(10,20,40,.10);
  border-radius: 22px;
  background:#fff;
  box-shadow: 0 16px 40px rgba(10,20,40,.07);
}
.dot{
  width:10px;
  height:10px;
  border-radius:999px;
  margin-top:7px;
  background: rgba(11,15,26,.85);
  flex: 0 0 auto;
}
.feature p{ margin:0; color: var(--muted); }

.clients{
  margin-top:22px;
  border-radius: var(--r2);
  border:1px solid rgba(10,20,40,.10);
  overflow:hidden;
  background:#fff;
}
.clients img{
  width:100%;
  height:auto;
  display:block;
}
@media (max-width: 920px){
  .features{ grid-template-columns:1fr; }
}

/* Contact */
.contact-wrap{
  display:grid;
  grid-template-columns: 1fr .8fr;
  gap:18px;
  align-items:start;
}
.form{
  border:1px solid rgba(10,20,40,.10);
  border-radius: var(--r2);
  padding:18px;
  background:#fff;
  box-shadow: 0 16px 40px rgba(10,20,40,.08);
}
label{ display:block; margin-bottom:12px; }
label span{
  display:block;
  font-weight:700;
  font-size:13px;
  margin:0 0 8px;
  color: rgba(11,15,26,.78);
}
input, textarea{
  width:100%;
  padding:12px 12px;
  border-radius: 16px;
  border:1px solid rgba(10,20,40,.14);
  outline:none;
  font-family:inherit;
  font-size:14px;
  background:#fff;
}
input:focus, textarea:focus{
  box-shadow: 0 0 0 4px var(--focus);
  border-color: rgba(10,20,40,.24);
}
.grid-2{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
}
.form-actions{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  margin-top:6px;
}
.form-note{
  margin:0;
  font-size:13px;
  color: var(--muted);
}

.contact-side{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.contact-card{
  border:1px solid rgba(10,20,40,.10);
  border-radius: var(--r2);
  padding:18px;
  background: var(--panel);
}
.contact-lines{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-top:10px;
  font-size:14px;
}
.contact-lines .label{
  display:inline-block;
  width:72px;
  color: rgba(11,15,26,.62);
  font-weight:700;
}
.contact-lines a{
  text-decoration:underline;
  text-underline-offset: 3px;
}
@media (max-width: 920px){
  .contact-wrap{ grid-template-columns:1fr; }
}
@media (max-width: 560px){
  .grid-2{ grid-template-columns:1fr; }
}

/* Footer */
.footer{
  border-top:1px solid rgba(10,20,40,.08);
  padding:30px 0 18px;
}
.footer-inner{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
}
.foot-logo{ height:34px; width:auto; margin-bottom:10px; }
.foot-right{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  font-weight:700;
  color: rgba(11,15,26,.78);
}
.foot-right a{
  padding:8px 10px;
  border-radius: 12px;
}
.foot-right a:hover{ background: rgba(10,20,40,.04); }
.subfoot{
  padding-top:12px;
  border-top:1px solid rgba(10,20,40,.06);
  margin-top:18px;
  font-size:13px;
}

@media (max-width: 720px){
  .footer-inner{ flex-direction:column; }
}