/* Layout: cartel amarillo — el amarillo del logo como fondo base, tinta negra, bloques negros solo para dar ritmo. Titulares pesados, etiquetas tipo "setlist" en mono. */
:root{
  --sun:#FFCB1F;        /* amarillo del logo: fondo principal */
  --sun-soft:#FFE48A;   /* amarillo claro para secciones alternas */
  --ink:#0B0B0B;        /* tinta */
  --stage:#0B0B0B;      /* bloques negros */
  --chalk:#FFF8E1;      /* texto sobre negro */
  --muted:#5A4A12;      /* texto secundario sobre amarillo */
  --line:rgba(11,11,11,.22);
  --line-light:rgba(255,248,225,.18);
  --f-display:"Rubik","Arial Black",system-ui,sans-serif;
  --f-body:"Instrument Sans","Helvetica Neue",Arial,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
  --wrap:1180px;
  --gutter:clamp(16px,4vw,40px);
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--sun);color:var(--ink);font:17px/1.6 var(--f-body);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
.stage a:focus-visible,.stage button:focus-visible{outline-color:var(--sun)}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:var(--sun);padding:8px 12px;z-index:99}
.skip:focus{left:8px}

h1,h2,h3{font-family:var(--f-display);line-height:1.02;letter-spacing:-.015em;text-wrap:balance;margin:0}
h1{font-size:clamp(2.6rem,7vw,5.6rem);font-weight:900;text-transform:uppercase}
h2{font-size:clamp(2rem,4.4vw,3.4rem);font-weight:900;text-transform:uppercase}
h3{font-size:clamp(1.25rem,2vw,1.6rem);font-weight:800}
p{margin:0}
.lead{font-size:clamp(1.1rem,1.6vw,1.3rem);max-width:60ch}
.tag{font:500 .78rem/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;display:inline-flex;align-items:center;gap:.55em}
.tag::before{content:"";width:.6em;height:.95em;background:currentColor;clip-path:polygon(60% 0,0 58%,42% 58%,30% 100%,100% 38%,56% 38%)}
.stage .tag::before{background:var(--sun)}
.prose{max-width:68ch}
.prose > * + *{margin-top:1.1em}
.prose h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-top:1.8em;text-transform:none}
.prose h3{margin-top:1.5em}
.prose ul,.prose ol{padding-left:1.2em}
.prose li + li{margin-top:.4em}
.prose a{text-decoration-thickness:2px;text-underline-offset:3px;font-weight:600}

/* Botones */
.btn{display:inline-flex;align-items:center;gap:.5em;font:700 1rem/1 var(--f-body);text-decoration:none;padding:1em 1.4em;border:2px solid currentColor;border-radius:999px;transition:transform .15s ease;cursor:pointer;background:transparent;color:inherit}
.btn:hover{transform:translateY(-2px)}
.btn-main{background:var(--ink);color:var(--sun);border-color:var(--ink)}
.btn-sun,.stage .btn-main{background:var(--sun);color:var(--ink);border-color:var(--sun)}
.actions{display:flex;flex-wrap:wrap;gap:12px}

/* Header */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--stage);color:var(--chalk)}
.site-header a:focus-visible,.site-header button:focus-visible{outline-color:var(--sun)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:76px}
.logo img{height:56px;width:auto}
.nav{display:flex;align-items:center;gap:clamp(12px,2vw,26px)}
.nav a{text-decoration:none;font-weight:600;font-size:.95rem}
.nav a:hover,.nav a[aria-current="page"]{color:var(--sun)}
.nav .btn{padding:.7em 1.1em;font-size:.9rem;text-decoration:none}
.nav-toggle{display:none;background:var(--sun);border:0;color:var(--ink);border-radius:999px;padding:.6em 1em;font:600 .9rem var(--f-body)}
@media (max-width:900px){
  .nav-toggle{display:inline-block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--stage);flex-direction:column;align-items:flex-start;padding:16px var(--gutter) 24px}
  .nav.open{display:flex}
  .nav a{font-size:1.15rem}
}

/* Secciones */
.section{padding-block:clamp(56px,9vw,112px)}
.soft{background:var(--sun-soft)}
.stage{background:var(--stage);color:var(--chalk)}
.stage .lead,.stage p{color:#EDE6CC}
.head-row{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:16px 40px;margin-bottom:clamp(28px,4vw,48px)}
.head-row > div{display:grid;gap:14px;min-width:0}

/* Hero de portada: solo tipografía */
.hero-type .wrap{display:grid;gap:clamp(24px,3vw,36px);padding-block:clamp(56px,10vw,128px)}
.hero-type h1{font-size:clamp(2.8rem,8.4vw,7.4rem);line-height:.95;max-width:14ch}
.hero-type h1 .out{color:transparent;-webkit-text-stroke:2px var(--ink)}
.hero-type .lead{font-size:clamp(1.15rem,1.9vw,1.45rem)}
.ticker{background:var(--ink);color:var(--sun);border-block:2px solid var(--ink)}
.ticker ul{list-style:none;margin:0;padding:16px 0;display:flex;flex-wrap:wrap;gap:8px 18px;font:800 clamp(1rem,1.8vw,1.25rem)/1.2 var(--f-display);text-transform:uppercase}
.ticker li{display:flex;align-items:center;gap:18px}
.ticker li + li::before{content:"";flex:none;width:10px;height:15px;background:var(--sun);clip-path:polygon(60% 0,0 58%,42% 58%,30% 100%,100% 38%,56% 38%)}

/* Hero interno con foto */
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,4vw,56px);align-items:center;padding-block:clamp(40px,7vw,88px)}
.hero-copy{display:grid;gap:22px;min-width:0}
.hero-img img{width:100%;aspect-ratio:4/5;object-fit:cover;filter:grayscale(1) contrast(1.05);border:2px solid var(--ink)}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr}.hero-img{max-width:440px}}

/* Marcas */
.brands{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(16px,2.5vw,24px)}
@media (max-width:760px){.brands{grid-template-columns:1fr}}
.brand-card{position:relative;display:grid;align-content:end;min-height:clamp(340px,40vw,480px);color:var(--chalk);text-decoration:none;overflow:hidden;isolation:isolate;background:var(--stage);border:2px solid var(--ink)}
.brand-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .5s ease}
.brand-card.photo::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(0,0,0,0) 30%,rgba(0,0,0,.88) 100%)}
.brand-card:hover img{transform:scale(1.04)}
.brand-card .inner{display:grid;gap:10px;padding:clamp(20px,3vw,32px)}
.brand-card h3{font-size:clamp(1.7rem,3.2vw,2.5rem);font-weight:900;text-transform:uppercase}
.brand-card p{color:#EDE6CC;max-width:46ch}
.brand-card .go{font:600 .95rem var(--f-body);color:var(--sun)}
.brand-card .tag::before{background:var(--sun)}
.brand-card.type{min-height:clamp(240px,26vw,300px);background:var(--sun-soft);color:var(--ink)}
.brand-card.type p{color:var(--ink)}
.brand-card.type .go{color:var(--ink)}
.brand-card.type .tag::before{background:var(--ink)}
.bw img{filter:grayscale(1)}

/* Servicios */
.services{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));border-top:2px solid currentColor}
.service{display:grid;gap:12px;align-content:start;padding:28px 28px 32px 0;border-bottom:1px solid var(--line)}
.stage .service{border-bottom-color:var(--line-light)}
.service .tag::before{display:none}
.service p{max-width:42ch}
.service a{font-weight:600}

/* Clientes */
.clients{display:flex;flex-wrap:wrap;gap:12px 40px;align-items:center;padding:0;margin:0}
.clients li{font:900 clamp(1.4rem,3vw,2.2rem)/1.1 var(--f-display);text-transform:uppercase;list-style:none}
.clients li:nth-child(even){color:transparent;-webkit-text-stroke:1.5px var(--ink)}
.stage .clients li:nth-child(even){-webkit-text-stroke-color:var(--chalk)}

/* Hitos */
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));gap:2px;background:var(--ink);border:2px solid var(--ink)}
.fact{background:var(--sun-soft);padding:24px;display:grid;gap:8px;align-content:start}
.fact strong{font:900 clamp(1.5rem,2.8vw,2.2rem)/1 var(--f-display);text-transform:uppercase}

/* Split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px);align-items:center}
.split > *{min-width:0}
@media (max-width:860px){.split{grid-template-columns:1fr}}
.split img{width:100%;object-fit:cover;border:2px solid var(--ink)}
.stack{display:grid;gap:20px;align-content:start}

/* Listas */
.checks{list-style:none;padding:0;margin:0;display:grid;border-top:2px solid currentColor}
.checks li{display:grid;grid-template-columns:auto 1fr;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.stage .checks li{border-bottom-color:var(--line-light)}
.checks li::before{content:"";width:12px;height:18px;margin-top:4px;background:currentColor;clip-path:polygon(60% 0,0 58%,42% 58%,30% 100%,100% 38%,56% 38%)}
.stage .checks li::before{background:var(--sun)}
.checks b{display:block}

/* FAQ */
.faq{display:grid;border-top:2px solid currentColor}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font:700 1.12rem/1.35 var(--f-body);list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:900 1.4rem/1 var(--f-display)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin-top:12px;max-width:68ch}

/* Blog */
.posts{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:clamp(16px,2.5vw,28px)}
.post-card{display:grid;gap:12px;align-content:start;text-decoration:none;padding-top:18px;border-top:2px solid currentColor}
.post-card h3{font-size:1.35rem;line-height:1.15}
.post-card:hover h3{text-decoration:underline;text-decoration-thickness:3px}
.post-card time,.meta{font:500 .8rem var(--f-mono);letter-spacing:.06em;color:var(--muted);text-transform:uppercase}
.article-head{display:grid;gap:18px;max-width:900px}
.article-head h1{font-size:clamp(2.1rem,5vw,3.8rem);text-transform:none}

/* CTA */
.cta{background:var(--stage);color:var(--chalk)}
.cta .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:24px;padding-block:clamp(48px,7vw,80px)}
.cta h2{max-width:18ch}
.cta p{color:#EDE6CC}
.cta .btn{background:var(--sun);color:var(--ink);border-color:var(--sun)}

/* Formularios */
.form{display:grid;gap:18px;grid-template-columns:1fr 1fr}
.form .full{grid-column:1/-1}
@media (max-width:640px){.form{grid-template-columns:1fr}}
.field{display:grid;gap:6px;min-width:0}
.field label{font:600 .9rem var(--f-body)}
.field input,.field select,.field textarea{font:inherit;color:var(--ink);background:#FFFDF4;border:2px solid var(--ink);border-radius:10px;padding:.8em .9em;width:100%}
.field textarea{min-height:140px;resize:vertical}
.hp{position:absolute;left:-9999px}
.form-note{font-size:.88rem;color:var(--muted)}
.form-ok{background:var(--ink);color:var(--sun);padding:16px 18px;border-radius:10px;font-weight:600}

/* Breadcrumb */
.crumbs{font:500 .8rem var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.crumbs a{text-decoration:none}
.crumbs a:hover{text-decoration:underline}

/* Footer */
.site-footer{background:var(--stage);color:#D8D1B8;padding-block:56px 32px;font-size:.95rem}
.site-footer .grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:32px}
@media (max-width:860px){.site-footer .grid{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.site-footer .grid{grid-template-columns:1fr}}
.site-footer h4{font:500 .78rem var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--sun);margin:0 0 14px}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.site-footer a{text-decoration:none}
.site-footer a:hover{color:var(--sun)}
.site-footer .legal{border-top:1px solid var(--line-light);margin-top:40px;padding-top:20px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:.85rem}
.site-footer .logo img{height:64px}

.wa{position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:60;background:var(--ink);color:var(--sun);font:700 .95rem var(--f-body);text-decoration:none;padding:.9em 1.2em;border-radius:999px;box-shadow:0 6px 20px rgba(0,0,0,.3)}

/* Fotos siempre en blanco y negro */
main img:not(.logos img){filter:grayscale(1) contrast(1.04)}

/* Proyectos: 3 tarjetas, poco texto */
.projects{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(14px,2vw,22px)}
@media (max-width:900px){.projects{grid-template-columns:1fr}}
.project{position:relative;display:grid;align-content:end;aspect-ratio:4/5;max-width:100%;color:var(--chalk);text-decoration:none;overflow:hidden;isolation:isolate;background:var(--stage);border:2px solid var(--ink)}
@media (max-width:900px){.project{aspect-ratio:16/11}}
.project img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .5s ease}
.project::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(0,0,0,0) 45%,rgba(0,0,0,.85) 100%)}
.project:hover img{transform:scale(1.04)}
.project .inner{display:grid;gap:6px;padding:clamp(18px,2.4vw,26px)}
.project h3{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:900;text-transform:uppercase}
.project p{color:#EDE6CC;font-size:.98rem}
.project .go{font:600 .9rem var(--f-body);color:var(--sun);margin-top:6px}

/* Casos de éxito: resumen corto */
.cases{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:2px solid var(--ink)}
@media (max-width:860px){.cases{grid-template-columns:1fr}}
.case{display:grid;gap:10px;align-content:start;padding:24px 24px 28px 0;border-bottom:1px solid var(--line)}
.case h3{font-size:clamp(1.3rem,2.2vw,1.7rem);font-weight:900;text-transform:uppercase}
.case a{font-weight:600}

/* Logos reales de clientes */
.logos{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,150px),1fr));gap:clamp(24px,4vw,48px) clamp(20px,4vw,56px);align-items:center}
.logos li{display:flex;align-items:center;justify-content:center;height:72px}
.logos img{max-height:64px;max-width:100%;width:auto;object-fit:contain;opacity:.9}