/* Soluciones Tecnológicas — editorial tech · prefix st- */
:root{
  --ink:#141210;
  --charcoal:#1C1917;
  --amber:#C45C26;
  --amber-hot:#E06B2F;
  --sand:#F3EDE4;
  --sand-2:#E8DFD2;
  --line:#D4C8B8;
  --mute:#6B635A;
  --white:#fff;
  --teal:#2A6F6A;
  --disp:'Unbounded',system-ui,sans-serif;
  --sans:'Instrument Sans',system-ui,sans-serif;
  --max:1140px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0;max-width:100%;overflow-x:clip}
body{font-family:var(--sans);color:var(--ink);background:var(--sand);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3{font-family:var(--disp);font-weight:700;line-height:1.08;letter-spacing:-.03em;margin:0 0 .45em}
h1{font-size:clamp(2.35rem,5.2vw,4rem)}
h1 em{font-style:normal;color:var(--amber-hot)}
h2{font-size:clamp(1.75rem,3.4vw,2.65rem)}
h3{font-size:1.25rem;letter-spacing:-.02em}
.st-wrap{width:min(100% - 2rem,var(--max));margin-inline:auto}
.st-mono{font-family:var(--disp);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;font-weight:600}
.st-kicker{font-family:var(--disp);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;font-weight:600;color:rgba(255,255,255,.65);margin:0 0 .75rem}
.st-kicker.dark{color:var(--amber)}
.st-kicker.light{color:rgba(255,255,255,.7)}
.st-lead{font-size:1.08rem;max-width:34rem;color:rgba(255,255,255,.88)}
.st-sub{color:var(--mute);max-width:36rem;margin:0}
.st-sub.light{color:rgba(255,255,255,.72)}
.st-in{opacity:0;transform:translateY(16px);transition:opacity .65s var(--ease),transform .65s var(--ease)}
.st-in.is-in{opacity:1;transform:none}

.st-btn{display:inline-flex;align-items:center;gap:.45rem;padding:.85rem 1.2rem;font-weight:600;font-size:.95rem;border:1.5px solid transparent;cursor:pointer;transition:.2s;border-radius:999px}
.st-btn-fill{background:var(--amber);color:#fff;border-color:var(--amber)}
.st-btn-fill:hover{background:var(--amber-hot)}
.st-btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.st-btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}

/* pill header */
.st-chrome{position:fixed;top:0;left:0;right:0;z-index:60;padding:.85rem 1rem 0;pointer-events:none}
.st-pill{
  pointer-events:auto;max-width:var(--max);margin-inline:auto;
  display:flex;align-items:center;gap:1rem;padding:.55rem .65rem .55rem 1.1rem;
  background:rgba(243,237,228,.96);backdrop-filter:blur(12px);
  border:1px solid var(--line);border-radius:999px;box-shadow:0 12px 36px rgba(20,18,16,.12);
}
.st-brand{font-family:var(--disp);font-weight:700;font-size:.95rem;letter-spacing:-.02em;white-space:nowrap}
.st-brand span{display:block;font-size:.62rem;font-weight:500;color:var(--amber);letter-spacing:.06em;text-transform:uppercase}
.st-nav{display:flex;gap:.85rem;margin-left:auto;font-size:.88rem;font-weight:500;color:var(--mute)}
.st-nav a:hover{color:var(--amber)}
.st-cta{background:var(--charcoal);color:#fff;padding:.55rem 1rem;border-radius:999px;font-weight:600;font-size:.88rem;white-space:nowrap}
.st-cta:hover{background:var(--ink)}
.st-burger{display:none;flex-direction:column;gap:5px;background:0;border:0;padding:.45rem;cursor:pointer;margin-left:auto}
.st-burger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:1px}
.st-drawer{display:none;pointer-events:auto;flex-direction:column;gap:.75rem;margin:.65rem auto 0;max-width:var(--max);padding:1rem 1.25rem;background:var(--sand);border:1px solid var(--line);border-radius:18px;font-weight:500}
.st-drawer.is-open{display:flex}

/* hero */
.st-hero{position:relative;min-height:min(92vh,860px);display:flex;align-items:flex-end;padding:7.5rem 0 3.5rem;color:#fff;overflow:hidden}
.st-hero-media{position:absolute;inset:0;background-size:cover;background-position:center}
.st-hero-shade{position:absolute;inset:0;background:linear-gradient(110deg,rgba(20,18,16,.94) 0%,rgba(20,18,16,.78) 48%,rgba(28,25,23,.45) 100%)}
.st-hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .95fr;gap:1.75rem;align-items:end;width:min(100% - 2rem,var(--max));margin-inline:auto}
.st-hero-actions{display:flex;flex-wrap:wrap;gap:.65rem;margin-top:1.4rem}
.st-flow{background:rgba(20,18,16,.55);border:1px solid rgba(255,255,255,.12);border-radius:20px;overflow:hidden;backdrop-filter:blur(6px);box-shadow:0 24px 50px rgba(0,0,0,.35)}
.st-flow canvas{display:block;width:100%;height:auto}
.st-flow-legend{display:flex;gap:1rem;padding:.65rem 1rem;border-top:1px solid rgba(255,255,255,.1);font-size:.78rem;color:rgba(255,255,255,.7)}
.st-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:.35rem;vertical-align:middle}
.st-dot.a{background:var(--amber-hot)}
.st-dot.b{background:#5B9A94}
.st-dot.c{background:#E8C07A}

/* capabilities rail */
.st-caps{padding:4.75rem 0 3rem;background:var(--sand);overflow:hidden}
.st-caps-head{margin-bottom:1.5rem}
.st-rail{overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;cursor:grab;padding-bottom:.75rem}
.st-rail:active{cursor:grabbing}
.st-rail::-webkit-scrollbar{height:6px}
.st-rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
.st-rail-inner{display:flex;gap:1rem;width:max-content;padding-inline:max(1rem,calc((100vw - var(--max))/2))}
.st-cap{
  flex:0 0 min(78vw,320px);scroll-snap-align:start;min-height:280px;
  background:var(--white);border:1px solid var(--line);border-radius:18px;padding:1.4rem 1.35rem;
  display:flex;flex-direction:column;gap:.55rem;box-shadow:0 14px 34px rgba(20,18,16,.06);
  transition:transform .25s var(--ease),box-shadow .25s;
}
.st-cap:hover{transform:translateY(-4px);box-shadow:0 22px 44px rgba(20,18,16,.12)}
.st-cap .st-mono{color:var(--amber)}
.st-cap h3{margin:0}
.st-cap p{margin:0;color:var(--mute);flex:1;font-size:.95rem}
.st-cap-tag{font-family:var(--disp);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--teal);font-weight:600}

/* architecture layers */
.st-arch{padding:4.75rem 0;background:var(--sand-2)}
.st-head{margin-bottom:1.75rem}
.st-head.light h2{color:#fff}
.st-layers{display:grid;grid-template-columns:240px 1fr;min-height:420px;border:1px solid var(--line);border-radius:22px;overflow:hidden;max-width:100%;background:var(--white);box-shadow:0 20px 50px rgba(20,18,16,.08)}
.st-layer-tabs{display:flex;flex-direction:column;background:var(--charcoal);padding:.75rem}
.st-ltab{text-align:left;border:0;background:transparent;color:rgba(255,255,255,.55);padding:1rem 1rem;border-radius:14px;cursor:pointer;font-family:var(--disp);font-weight:600;font-size:.95rem;letter-spacing:-.01em;transition:.15s}
.st-ltab .st-mono{display:block;margin-bottom:.2rem;opacity:.7;font-size:.62rem;color:var(--amber-hot)}
.st-ltab:hover{color:#fff;background:rgba(255,255,255,.06)}
.st-ltab.is-on{background:var(--amber);color:#fff}
.st-ltab.is-on .st-mono{color:rgba(255,255,255,.85)}
.st-layer-panel{display:grid;grid-template-columns:1.05fr .95fr;min-height:420px}
.st-layer-copy{padding:2rem 2.1rem;display:flex;flex-direction:column;justify-content:center;gap:.5rem}
.st-layer-copy h3{font-size:1.85rem;margin:0 0 .35rem}
.st-layer-copy p{color:var(--mute);margin:0 0 .75rem}
.st-layer-points{display:grid;gap:.5rem}
.st-layer-points li{padding:.65rem .85rem;border-left:3px solid var(--amber);background:var(--sand);font-size:.95rem}
.st-layer-media{position:relative;min-height:100%;overflow:hidden}
.st-layer-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

/* method sprint */
.st-method{position:relative;padding:5rem 0;color:#fff;overflow:hidden}
.st-method-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:0}
.st-method-shade{position:absolute;inset:0;background:linear-gradient(100deg,rgba(20,18,16,.94),rgba(28,25,23,.82));z-index:1}
.st-method > .st-wrap{position:relative;z-index:2}
.st-method .st-head h2{color:#fff}
.st-sprint{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:.5rem}
.st-step{padding:1.35rem 1.25rem;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.05);border-radius:16px;backdrop-filter:blur(4px)}
.st-step .st-num{font-family:var(--disp);font-size:2.6rem;font-weight:800;letter-spacing:-.04em;color:var(--amber-hot);line-height:1;margin-bottom:.5rem}
.st-step strong{display:block;font-size:1.1rem;margin-bottom:.35rem}
.st-step p{margin:0;color:rgba(255,255,255,.72);font-size:.92rem}

/* group trio */
.st-group{padding:4.75rem 0;background:var(--sand)}
.st-trio{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.st-card{padding:1.5rem 1.4rem;border:1px solid var(--line);border-radius:18px;background:var(--white);display:flex;flex-direction:column;gap:.55rem;min-height:240px;transition:transform .2s,box-shadow .2s}
.st-card:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(20,18,16,.1)}
.st-card.is-focus{background:var(--charcoal);color:#fff;border-color:var(--charcoal)}
.st-card.is-focus p{color:rgba(255,255,255,.72)}
.st-card .st-mono{color:var(--amber)}
.st-card h3{margin:0}
.st-card > p{margin:0;flex:1;color:var(--mute);font-size:.95rem}
.st-link{font-weight:600;color:var(--amber);font-size:.92rem}
.st-link:hover{text-decoration:underline}
.st-badge{display:inline-block;width:fit-content;padding:.35rem .7rem;border-radius:999px;background:var(--amber);color:#fff;font-family:var(--disp);font-size:.62rem;letter-spacing:.08em;text-transform:uppercase;font-weight:600}

/* contact */
.st-contact{padding:4.75rem 0;background:var(--sand-2)}
.st-contact-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:2rem;align-items:start}
.st-form{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:1.5rem;display:grid;gap:.85rem;box-shadow:0 20px 44px rgba(20,18,16,.08)}
.st-form label{display:grid;gap:.35rem;font-family:var(--disp);font-size:.65rem;letter-spacing:.08em;text-transform:uppercase;font-weight:600;color:var(--mute)}
.st-form input,.st-form select,.st-form textarea{width:100%;padding:.75rem .85rem;border:1px solid var(--line);border-radius:10px;background:var(--sand);font-family:var(--sans);font-size:1rem;color:var(--ink);text-transform:none;letter-spacing:0;font-weight:400}
.st-form .st-btn{justify-content:center;margin-top:.25rem}
.st-form-hint{font-size:.78rem;color:var(--mute);margin:0;text-transform:none;letter-spacing:0;font-family:var(--sans);font-weight:400}

/* foot */
.st-foot{background:var(--ink);color:rgba(255,255,255,.7);padding:2.5rem 0 1.25rem}
.st-foot-inner{display:flex;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;margin-bottom:1.5rem}
.st-foot strong{display:block;color:#fff;font-family:var(--disp);margin-bottom:.35rem}
.st-foot-links{display:flex;gap:1.1rem;align-items:center}
.st-foot-links a:hover{color:#fff}
.st-foot-bottom{padding-top:1rem;border-top:1px solid rgba(255,255,255,.12);font-size:.78rem}

@media (max-width:960px){
  .st-nav,.st-pill .st-cta{display:none}
  .st-burger{display:flex}
  .st-hero{min-height:auto;padding:6.25rem 0 2.5rem}
  .st-hero-grid,.st-layers,.st-layer-panel,.st-sprint,.st-trio,.st-contact-grid{grid-template-columns:1fr}
  .st-layer-tabs{flex-direction:row;overflow-x:auto;padding:.5rem}
  .st-ltab{flex:0 0 auto;white-space:nowrap}
  .st-layer-panel{min-height:auto}
  .st-layer-media{min-height:220px}
  .st-layer-media img{position:relative;height:220px}
  .st-sprint{grid-template-columns:1fr 1fr}
}
@media (max-width:480px){
  h1{font-size:2.1rem}
  .st-sprint{grid-template-columns:1fr}
  .st-cap{flex-basis:min(86vw,300px)}
  .st-chrome{padding:.65rem .75rem 0}
}