/* ============================================================
   Ruta Estudios — hoja de estilos
   Identidad: blanco/negro, acento #E85D2F, tipografía Manrope
   ============================================================ */

:root{
  --negro:#1D1D1F;
  --blanco:#FFFFFF;
  --niebla:#F5F5F7;
  --niebla-2:#E8E8ED;
  --piedra:#86868B;
  --piedra-osc:#4A4A4C;
  --linea:#D2D2D7;
  --ruta:#E85D2F;
  --ruta-osc:#C8481E;
  --radio:20px;
  --radio-sm:14px;
  --maxw:1180px;
  --dur:0.6s;
  --ease:cubic-bezier(.22,.7,.32,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Manrope',-apple-system,BlinkMacSystemFont,sans-serif;
  color:var(--negro);
  background:var(--blanco);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none;margin:0;padding:0}
button{font-family:inherit}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
@media (max-width:640px){ .wrap{padding:0 20px} }

.kicker{font-size:13px;letter-spacing:2px;text-transform:uppercase;color:var(--piedra);font-weight:600}
.accent{color:var(--ruta)}

h1,h2,h3{margin:0}
h1.display{font-weight:200;letter-spacing:-2px;line-height:1.02}
h2.section-title{font-weight:200;font-size:clamp(32px,4.5vw,48px);letter-spacing:-0.5px}

/* ---------- Header ---------- */
header.site{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease, background .3s ease;
}
header.site.scrolled{ border-color:var(--linea); }
header.site .wrap{
  height:76px; display:flex; align-items:center; justify-content:space-between;
}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:15px;letter-spacing:.2px}
.brand img{width:26px;height:26px;filter:brightness(0)}
nav.main{display:flex;align-items:center;gap:36px}
nav.main a{font-size:14px;font-weight:500;color:var(--negro);position:relative;padding:4px 0}
nav.main a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-2px;height:1px;background:var(--negro);
  transition:right .3s var(--ease);
}
nav.main a:hover::after,nav.main a.active::after{right:0}
nav.main a.btn{padding:0 24px}
nav.main a.btn::after{display:none}
nav.main a.btn-wsp{color:#fff}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--negro);margin:5px 0;transition:.3s}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:23px;font-weight:600;font-size:14px;
  cursor:pointer;border:1px solid transparent;transition:transform .35s var(--ease),background .25s ease,color .25s ease,border-color .25s ease;
  will-change:transform;
  position:relative;overflow:hidden;isolation:isolate;
}
.btn-primary{background:var(--negro);color:var(--blanco)}
.btn-primary:hover{background:#000}
.btn-ghost{background:transparent;color:var(--negro);border-color:var(--negro)}
.btn-ghost:hover{background:var(--negro);color:var(--blanco)}
.btn-accent{background:var(--ruta);color:#fff}
.btn-accent:hover{background:var(--ruta-osc)}
.btn-wsp{background:#1D1D1F;color:#fff}
.btn-wsp svg{width:18px;height:18px}

/* ---------- Efecto "vidrio líquido" en botones magnéticos ---------- */
/* Un solo pseudo-elemento, pintado DETRÁS del texto (::before), para que la
   etiqueta del botón nunca quede tapada. Combina: desenfoque de cristal
   (backdrop-filter), un velo translúcido y un brillo especular que sigue
   al cursor (--mx/--my los fija el JS del efecto magnético). */
.btn::before{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  z-index:-1;
  opacity:0;transition:opacity .45s var(--ease);
  background:
    radial-gradient(70px 70px at var(--mx,50%) var(--my,50%),rgba(255,255,255,.4),rgba(255,255,255,0) 72%),
    linear-gradient(135deg,rgba(255,255,255,.22),rgba(255,255,255,.02) 55%);
  -webkit-backdrop-filter:blur(6px) saturate(160%);backdrop-filter:blur(6px) saturate(160%);
  border:1px solid rgba(255,255,255,.25);
  box-shadow:inset 0 1px 1px rgba(255,255,255,.35);
}
.btn:hover::before,.btn.glass-active::before{opacity:1}
/* El contenido (texto/ícono) siempre por encima del cristal */
.btn>*{position:relative;z-index:1}

/* Variante clara: el vidrio se ve mejor con un tinte oscuro sutil en vez de blanco sobre blanco */
.btn-light::before{
  background:
    radial-gradient(70px 70px at var(--mx,50%) var(--my,50%),rgba(29,29,31,.1),rgba(29,29,31,0) 72%),
    linear-gradient(135deg,rgba(0,0,0,.03),rgba(255,255,255,.3) 55%);
  border-color:rgba(29,29,31,.1);
  box-shadow:inset 0 1px 1px rgba(255,255,255,.6);
}
@media (hover:none),(pointer:coarse){
  .btn::before{display:none}
}

/* ---------- Hero ---------- */
.hero{
  min-height:100svh; display:flex; flex-direction:column; justify-content:center;
  padding:150px 0 90px; position:relative;
}
.hero .wrap{display:flex;flex-direction:column;align-items:center;text-align:center;gap:30px;position:relative;z-index:2}
.hero-symbol{width:64px;height:64px;filter:brightness(0);transition:transform .12s linear}
.hero h1{font-size:clamp(48px,8.6vw,116px);max-width:1080px}
.hero p.lead{font-size:clamp(17px,2vw,22px);color:var(--piedra-osc);max-width:620px;line-height:1.55;font-weight:400}
.hero .cta-row{display:flex;gap:18px;flex-wrap:wrap;justify-content:center;margin-top:8px}
.hero-bg-orbit{
  position:absolute;inset:0;pointer-events:none;z-index:1;
  display:flex;align-items:center;justify-content:center;
}
.hero-bg-orbit svg{width:min(900px,90vw);opacity:.5}

.scroll-cue{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);font-size:12px;color:var(--piedra);letter-spacing:1px;display:flex;flex-direction:column;align-items:center;gap:8px}
.scroll-cue .line{width:1px;height:34px;background:var(--linea);position:relative;overflow:hidden}
.scroll-cue .line::after{content:"";position:absolute;top:-100%;left:0;width:100%;height:100%;background:var(--negro);animation:scrollline 1.8s ease-in-out infinite}
@keyframes scrollline{ 0%{top:-100%} 60%{top:100%} 100%{top:100%} }

/* ---------- Secciones genéricas ---------- */
section{padding:110px 0}
section.tinted{background:var(--niebla)}
section.dark{background:var(--negro);color:#fff}
section.dark .kicker{color:#8E8E93}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:52px;flex-wrap:wrap}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:.08s}
.reveal-delay-2{transition-delay:.16s}
.reveal-delay-3{transition-delay:.24s}
.reveal-delay-4{transition-delay:.32s}
.reveal-delay-5{transition-delay:.4s}
.reveal-delay-6{transition-delay:.48s}

/* ---------- Servicios ---------- */
.grid-services{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:900px){ .grid-services{grid-template-columns:repeat(2,1fr)} }
@media (max-width:640px){ .grid-services{grid-template-columns:1fr} }
.card-service{
  background:var(--blanco);border:1px solid var(--linea);border-radius:var(--radio);
  padding:34px;display:flex;flex-direction:column;gap:18px;min-height:220px;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s;
}
.card-service:hover{transform:translateY(-6px);box-shadow:0 24px 48px -20px rgba(29,29,31,.18);border-color:transparent}
.card-service svg{width:34px;height:34px}
.card-service h3{font-size:19px;font-weight:700}
.card-service p{margin:0;font-size:14.5px;line-height:1.6;color:var(--piedra-osc)}

/* ---------- Proceso ---------- */
.grid-proceso{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:860px){ .grid-proceso{grid-template-columns:1fr} }
.card-proceso{border-radius:var(--radio);padding:40px;display:flex;flex-direction:column;gap:22px;justify-content:space-between;min-height:300px}
.card-proceso .num{font-family:monospace;font-size:13px;color:var(--piedra)}
.card-proceso h3{font-size:24px;font-weight:700}
.card-proceso p{margin:0;font-size:15px;line-height:1.65;color:var(--piedra-osc)}
.card-proceso.dark{background:var(--negro);color:#fff}
.card-proceso.dark p{color:#C4C4C8}
.card-proceso.tint{background:var(--niebla)}

/* ---------- Portafolio (preview + página) ---------- */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:44px}
.filter-btn{
  padding:10px 20px;border-radius:20px;border:1px solid var(--linea);background:transparent;
  font-size:13.5px;font-weight:600;color:var(--piedra-osc);cursor:pointer;
  transition:all .3s var(--ease);
}
.filter-btn:hover{border-color:var(--negro)}
.filter-btn.active{background:var(--negro);border-color:var(--negro);color:#fff}

.grid-portafolio{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
@media (max-width:920px){ .grid-portafolio{grid-template-columns:repeat(2,1fr)} }
@media (max-width:640px){ .grid-portafolio{grid-template-columns:1fr} }

.card-caso{
  border-radius:var(--radio);overflow:hidden;background:var(--niebla);
  display:flex;flex-direction:column;transition:transform .45s var(--ease),box-shadow .45s var(--ease);
}
.card-caso:hover{transform:translateY(-6px);box-shadow:0 30px 60px -24px rgba(29,29,31,.24)}
.card-caso .thumb{
  aspect-ratio:4/5;background:var(--niebla-2);display:flex;align-items:center;justify-content:center;
  position:relative;overflow:hidden;
}
.card-caso .thumb .play{
  width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.92);display:flex;align-items:center;justify-content:center;
  transition:transform .35s var(--ease);
}
.card-caso:hover .thumb .play{transform:scale(1.12)}
.card-caso .thumb .play svg{width:18px;height:18px;margin-left:3px}
.card-caso .thumb .plat{position:absolute;top:14px;left:14px;font-size:11px;font-weight:700;letter-spacing:.5px;background:#fff;padding:5px 10px;border-radius:12px}
.card-caso .body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:8px}
.card-caso .cat{font-size:11.5px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--ruta)}
.card-caso h3{font-size:17px;font-weight:700}
.card-caso .stat{font-weight:800;color:var(--ruta);font-size:15px}
.card-caso .submetrics{font-size:12.5px;color:var(--piedra);margin-top:-4px}
.card-caso .link-out{font-size:13px;color:var(--piedra-osc);display:inline-flex;align-items:center;gap:6px;margin-top:6px;cursor:pointer}
.card-caso .link-out svg{width:13px;height:13px}

/* Tarjetas con reproductor real de Instagram incrustado, en vez de miniatura */
.card-caso .thumb.ig-embed{
  aspect-ratio:auto;background:#fafafa;display:block;padding:0;
}
.card-caso .thumb.ig-embed iframe{display:block!important}
.card-caso .thumb.ig-embed .instagram-media{margin:0!important;min-width:100%!important;width:100%!important}

.portfolio-note{
  border:1px dashed var(--linea);border-radius:var(--radio-sm);padding:18px 22px;font-size:13.5px;color:var(--piedra);
  margin-top:36px; max-width:900px;
}

/* ---------- Testimonios ---------- */
.grid-testi{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:900px){ .grid-testi{grid-template-columns:1fr} }
.card-testi{background:var(--blanco);border:1px solid var(--linea);border-radius:var(--radio);padding:34px;display:flex;flex-direction:column;gap:18px;min-height:220px}
.card-testi .quote-mark{font-weight:200;font-size:56px;line-height:.5;height:30px;color:var(--ruta)}
.card-testi p.quote{margin:0;font-size:15px;line-height:1.65;color:var(--piedra-osc);font-style:normal}
.card-testi .who{font-size:13px;color:var(--piedra);font-weight:600}

/* ---------- CTA banda ---------- */
.cta-band{
  border-radius:28px;background:var(--negro);color:#fff;padding:70px 60px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-weight:200;font-size:clamp(28px,4vw,44px);letter-spacing:-.5px;max-width:560px}
.cta-band .row{display:flex;gap:16px;flex-wrap:wrap}

/* ---------- Contacto ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
@media (max-width:880px){ .contact-grid{grid-template-columns:1fr;gap:40px} }
.contact-info p{font-size:16px;line-height:1.7;color:var(--piedra-osc);max-width:420px}
.contact-list{display:flex;flex-direction:column;gap:18px;margin-top:28px}
.contact-list .item{display:flex;align-items:center;gap:14px;font-size:15px}
.contact-list svg{width:20px;height:20px;flex-shrink:0}

form.contact-form{display:flex;flex-direction:column;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13px;font-weight:600;color:var(--piedra-osc)}
.field input,.field select,.field textarea{
  border:1px solid var(--linea);border-radius:12px;padding:14px 16px;font-size:15px;font-family:inherit;
  background:var(--niebla);color:var(--negro);transition:border-color .25s,background .25s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--negro);background:#fff}
.field textarea{resize:vertical;min-height:120px}
.form-note{font-size:12.5px;color:var(--piedra)}

/* ---------- Footer ---------- */
footer.site{background:var(--negro);color:#fff;padding:70px 0 34px}
.footer-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:46px;border-bottom:1px solid #33333a}
.footer-brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:16px}
.footer-brand img{width:26px;height:26px;filter:brightness(0) invert(1)}
.footer-cols{display:flex;gap:64px;flex-wrap:wrap}
.footer-col h4{font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:#8E8E93;margin-bottom:16px;font-weight:700}
.footer-col a,.footer-col span{display:block;font-size:14px;color:#D2D2D7;margin-bottom:10px}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:26px;font-size:12.5px;color:#8E8E93}
.social-row{display:flex;gap:14px}
.social-row a{width:38px;height:38px;border-radius:50%;border:1px solid #3a3a41;display:flex;align-items:center;justify-content:center;transition:.3s}
.social-row a:hover{background:#fff;border-color:#fff}
.social-row a:hover svg{stroke:#1D1D1F}
.social-row svg{width:16px;height:16px;stroke:#fff;transition:.3s}

/* ---------- Cursor / magnetic ---------- */
.cursor-dot{
  position:fixed;top:0;left:0;width:10px;height:10px;border-radius:50%;background:var(--negro);
  pointer-events:none;z-index:9999;transform:translate(-50%,-50%);
  transition:width .25s var(--ease),height .25s var(--ease),background .25s var(--ease),opacity .25s;
  mix-blend-mode:difference;
}
.cursor-dot.big{width:52px;height:52px;background:#fff}
@media (hover:none),(pointer:coarse){ .cursor-dot{display:none} }
.magnetic{display:inline-flex}

/* ---------- Page hero (portafolio) ---------- */
.page-hero{padding:170px 0 60px}
.page-hero h1{font-size:clamp(40px,7vw,84px)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .btn,.card-service,.card-caso,.hero-symbol{transition:none!important}
  .btn::before{display:none}
}

@media (max-width:760px){
  nav.main{
    position:fixed;top:76px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;
    padding:20px 20px 28px;gap:20px;border-bottom:1px solid var(--linea);
    transform:translateY(-8px);opacity:0;pointer-events:none;transition:.3s ease;
  }
  nav.main.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-toggle{display:block}
  .cta-band{flex-direction:column;align-items:flex-start;padding:44px 28px}
}