/* UPTTEC · piel común (referencia: home). Tokens, base, header, footer y componentes ut-*.
   Las páginas conservan su HTML; solo cambia la presentación. Ver DISENO.md. */
:root{
  --bg-0:#060914;--bg-1:#0a0e21;--bg-2:#0f1530;
  --bg-card:rgba(15,21,48,.65);--bg-card-hover:rgba(23,31,68,.85);
  --violet:#7C3AED;--cyan:#06B6D4;--emerald:#10B981;
  --line:rgba(124,58,237,.2);--line-bright:rgba(6,182,212,.35);
  --ink:#F1F5F9;--ink-dim:#94A3B8;--ink-faint:#64748B;
  --font-d:'Space Grotesk',system-ui,sans-serif;--font-b:'Inter',system-ui,sans-serif;--font-m:'JetBrains Mono',ui-monospace,monospace;
  --grad:linear-gradient(135deg,#7C3AED,#06B6D4);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body.ut{background:var(--bg-0);color:var(--ink);font-family:var(--font-b);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body.ut img{max-width:100%;height:auto}
body.ut a{color:inherit;text-decoration:none}
.ut-wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.ut-narrow{max-width:820px}
.ut-main{padding-top:88px;min-height:60vh}
.ut-grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Header */
.ut-nav{position:fixed;inset:0 0 auto 0;z-index:100;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 32px;background:rgba(6,9,20,.8);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.ut-brand{display:flex;align-items:center;gap:10px;flex:none}
.ut-brand img{width:30px;height:30px}
.ut-brand-name{font-family:var(--font-d);font-weight:700;font-size:1.25rem;letter-spacing:-.03em;color:#fff}
.ut-links{display:flex;gap:26px;list-style:none;align-items:center}
.ut-links a{font-size:.88rem;font-weight:500;color:var(--ink-dim);transition:color .2s}
.ut-links a:hover,.ut-links a[aria-current]{color:#fff}
.ut-nav-right{display:flex;align-items:center;gap:12px;flex:none}
.ut-cta{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:999px;background:var(--grad);color:#060914!important;font-size:.84rem;font-weight:700;white-space:nowrap;transition:transform .2s,box-shadow .2s}
.ut-cta:hover{transform:translateY(-1px);box-shadow:0 8px 20px -4px rgba(6,182,212,.45)}
.ut-toggle{display:none;background:transparent;border:1px solid var(--line);color:var(--ink);padding:8px 12px;border-radius:8px;cursor:pointer;font-size:1.1rem}
.ut-drawer{display:none;position:fixed;top:64px;left:0;right:0;z-index:99;background:rgba(6,9,20,.97);backdrop-filter:blur(20px);border-bottom:1px solid var(--line);padding:20px 24px}
.ut-drawer.on{display:block}
.ut-drawer ul{list-style:none;display:flex;flex-direction:column;gap:16px}
.ut-drawer a{font-size:1.05rem;font-weight:500}

/* Componentes */
.ut-hero{padding:72px 0 48px;text-align:center}
.ut-hero h1,.ut-h1{font-family:var(--font-d);font-weight:700;font-size:clamp(2rem,5vw,3.4rem);line-height:1.12;letter-spacing:-.03em}
.ut-lead{max-width:720px;margin:20px auto 0;color:var(--ink-dim);font-size:1.12rem}
.ut-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px}
.ut-section{padding:64px 0;border-top:1px solid var(--line)}
.ut-label{display:block;font-family:var(--font-m);font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);margin-bottom:10px}
.ut-title,.ut-section h2{font-family:var(--font-d);font-weight:700;font-size:clamp(1.55rem,3.2vw,2.3rem);line-height:1.2;letter-spacing:-.02em;margin-bottom:14px}
.ut-sub{color:var(--ink-dim);max-width:680px;margin-bottom:28px}
.ut-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.ut-card{padding:24px;border-radius:16px;background:var(--bg-card);border:1px solid var(--line-bright);transition:transform .2s,background .2s}
.ut-card:hover{background:var(--bg-card-hover)}
.ut-card h3{font-family:var(--font-d);font-size:1.1rem;margin-bottom:8px;color:#fff}
.ut-card p,.ut-card li{color:var(--ink-dim)}
.ut-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;border-radius:12px;font-weight:700;font-size:.98rem;border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s}
.ut-btn-primary{background:var(--grad);color:#060914!important;box-shadow:0 10px 30px -10px rgba(124,58,237,.6)}
.ut-btn-primary:hover{transform:translateY(-2px)}
.ut-btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line-bright);color:var(--ink)!important}
.ut-btn-ghost:hover{background:rgba(255,255,255,.08)}
.ut-prose{max-width:760px;margin:0 auto}
.ut-prose h2{margin:40px 0 12px}.ut-prose h3{font-family:var(--font-d);font-size:1.2rem;margin:28px 0 8px;color:#fff}
.ut-prose p,.ut-prose li{color:#cbd5e1;margin-bottom:14px}.ut-prose ul,.ut-prose ol{padding-left:22px;margin-bottom:14px}
.ut-prose a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.ut-prose blockquote{border-left:3px solid var(--violet);padding:4px 0 4px 18px;margin:18px 0;color:var(--ink-dim)}
.ut-prose code{font-family:var(--font-m);font-size:.9em;background:rgba(255,255,255,.07);padding:2px 6px;border-radius:6px}
.ut-table{width:100%;border-collapse:collapse;margin:18px 0;font-size:.95rem}
.ut-table th,.ut-table td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.ut-table th{color:#fff;font-family:var(--font-d)}
.ut-faq details{border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin-bottom:12px;background:var(--bg-card)}
.ut-faq summary{cursor:pointer;font-weight:600;color:#fff}
.ut-faq p{margin-top:10px;color:var(--ink-dim)}
.ut-scroll{overflow-x:auto}

/* Footer */
.ut-footer{padding:72px 24px 48px;text-align:center;border-top:1px solid var(--line);margin-top:40px}
.ut-footer-cta{max-width:820px;margin:0 auto 40px;padding:40px 28px;border-radius:24px;border:1px solid var(--line);background:radial-gradient(circle at center,rgba(124,58,237,.15),rgba(6,9,20,.95))}
.ut-footer-cta h2{font-family:var(--font-d);font-size:clamp(1.5rem,3vw,2.2rem);margin-bottom:12px;letter-spacing:-.02em}
.ut-footer-cta .ut-footer-wa{margin:18px auto 0;font-size:.9rem}.ut-footer-cta .ut-footer-wa a{color:var(--ink-dim);text-decoration:underline}
.ut-footer-cta p{color:var(--ink-dim);max-width:560px;margin:0 auto 26px}
.ut-footer-links{display:flex;justify-content:center;flex-wrap:wrap;gap:12px 24px;font-size:.88rem;color:var(--ink-dim)}
.ut-footer-links a:hover{color:#fff}
.ut-footer-meta{font-size:.78rem;color:var(--ink-faint);margin-top:16px}
.ut-wa{position:fixed;right:24px;bottom:24px;z-index:90;width:58px;height:58px;border-radius:50%;background:linear-gradient(135deg,#25D366,#128C7E);display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px -6px rgba(37,211,102,.6)}

/* Responsive: la etiqueta del header no compite con el menú ni con el botón */
@media(max-width:1180px){.ut-links{gap:18px}}
@media(max-width:960px){.ut-links{display:none}.ut-toggle{display:block}}
@media(max-width:520px){.ut-nav{padding:12px 16px}.ut-cta{padding:8px 14px}.ut-brand-name{font-size:1.1rem}.ut-hero{padding:48px 0 32px}.ut-section{padding:44px 0}.ut-wrap{padding:0 18px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* Contenido ancho (tablas, código) no desborda en móvil */
.ut-main table{display:block;max-width:100%;overflow-x:auto}
.ut-main pre{max-width:100%;overflow-x:auto}
.ut-main{overflow-wrap:anywhere}

/* Formularios y avisos (contacto y futuras páginas): label arriba, campo a ancho completo */
.ut-main form{display:flex;flex-direction:column;gap:6px;text-align:left;margin-top:12px}
.ut-main label{font-size:.88rem;font-weight:600;color:var(--ink);margin-top:10px}
.ut-main input[type=text],.ut-main input[type=email],.ut-main input[type=tel],.ut-main input[type=url],.ut-main select,.ut-main textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line-bright);background:rgba(6,9,20,.7);color:var(--ink);font:inherit;font-size:1rem;transition:border-color .2s,box-shadow .2s}
.ut-main textarea{min-height:140px;resize:vertical}
.ut-main input::placeholder,.ut-main textarea::placeholder{color:var(--ink-faint)}
.ut-main input:focus,.ut-main select:focus,.ut-main textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(6,182,212,.25)}
.ut-main form .ut-btn{margin-top:18px;align-self:flex-start}
.ut-main .hp{display:none!important}
.notice{max-width:760px;margin:24px auto 0;padding:14px 18px;border-radius:12px;border:1px solid var(--line-bright);text-align:left;font-size:.98rem}
.notice[hidden]{display:none}
.notice.success{background:rgba(16,185,129,.12);border-color:rgba(16,185,129,.5);color:#d1fae5}
.notice.error{background:rgba(239,68,68,.12);border-color:rgba(239,68,68,.5);color:#fee2e2}
/* Tarjetas dentro del hero: grilla centrada, contenido a la izquierda */
.ut-hero .ut-grid{max-width:1000px;margin:36px auto 0;text-align:left;align-items:start}
.ut-hero .ut-card h2{font-size:1.3rem;margin-bottom:10px}
.ut-hero .ut-card ul{padding-left:20px;margin-top:8px}
.ut-hero .ut-card .ut-btn{margin:12px 0}
.ut-hero .ut-card .note{margin-top:14px;color:var(--ink)}
.ut-main input[type=number]{padding:8px 10px;border-radius:10px;border:1px solid var(--line-bright);background:rgba(6,9,20,.7);color:var(--ink);font:inherit}
/* Íconos SVG sin tamaño (landings): tamaño de ícono, no de columna */
.ut-main svg:not([width]){width:44px;height:44px;flex:none;color:var(--cyan);margin-bottom:10px}
/* Tablas sin clase: legibles y con scroll horizontal, sin partir palabras */
.ut-main table{border-collapse:collapse;overflow-wrap:normal;font-size:.95rem;margin:18px 0}
.ut-main table th,.ut-main table td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;min-width:120px;overflow-wrap:break-word}
.ut-main table th{color:#fff;font-family:var(--font-d)}

/* Héroe: aire entre etiqueta, título, bajada y botón (las landings los traían pegados) */
.ut-hero .ut-label{margin-bottom:18px}
.ut-hero h1,.ut-hero .ut-h1{margin-bottom:6px}
.ut-hero .ut-lead{margin:24px auto 0}
.ut-hero .ut-lead+.ut-btn,.ut-hero .ut-lead+a.ut-btn{margin-top:36px}
.ut-hero .ut-lead+.ut-actions{margin-top:36px}
.ut-hero .ut-btn+.ut-btn{margin-left:12px}