/* ============ Arquitectura del Sistema — FUNDETEC ============ */
.arq{ --yale:#003B82; --yale2:#0057b8; --navy:#001F47; --amarillo:#F1CF30; --rojo:#E42A2B;
  --verde:#1e9e5a; --gris:#5b6478; --linea:#CDD4E0; --bg:#F5F7FA; --r:20px; }

.arq-hero{position:relative;overflow:hidden;background:linear-gradient(125deg,var(--navy),var(--yale) 60%,var(--yale2));color:#fff;padding:64px 0 56px}
.arq-hero::after{content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;background:rgba(241,207,48,.16);pointer-events:none}
.arq-hero .in{position:relative;z-index:2;max-width:820px}
.arq-hero .badge{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);color:#fff;font-weight:800;letter-spacing:.1em;text-transform:uppercase;font-size:12px;padding:6px 15px;border-radius:999px;margin-bottom:14px}
.arq-hero h1{color:#fff;font-size:clamp(28px,4.4vw,48px);line-height:1.08;margin:0 0 12px}
.arq-hero .tagline{font-family:'Caveat',cursive;color:var(--amarillo);font-size:.62em}
.arq-hero .lead{font-size:18px;opacity:.94;margin:0}
.arq-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:28px;position:relative;z-index:2}
.arq-kpis .k{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:14px 16px;text-align:center}
.arq-kpis .k .n{font-family:'Red Hat Display';font-weight:900;font-size:30px;color:var(--amarillo)}
.arq-kpis .k .l{font-size:12.5px;opacity:.9}

.arq-sec{padding:56px 0}
.arq-sec.alt{background:#fff}
.arq .kick{display:inline-block;font-weight:800;letter-spacing:.12em;text-transform:uppercase;font-size:12px;color:var(--yale);background:rgba(0,59,130,.08);padding:6px 14px;border-radius:999px;margin-bottom:12px}
.arq h2{font-size:clamp(23px,3.1vw,34px);margin:0 0 12px;color:var(--navy)}
.arq .sub{font-size:17px;color:var(--gris);max-width:760px;margin:0 0 28px}

/* 3 etapas */
.etapas{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:et}
.etapa{position:relative;background:#fff;border-radius:var(--r);box-shadow:0 8px 26px rgba(0,31,71,.1);padding:26px 24px;border-top:6px solid var(--yale)}
.etapa:nth-child(2){border-top-color:var(--amarillo)}
.etapa:nth-child(3){border-top-color:var(--rojo)}
.etapa .n{counter-increment:et;position:absolute;right:16px;top:10px;font-family:'Red Hat Display';font-weight:900;font-size:56px;color:rgba(0,59,130,.07)}
.etapa .fase{font-weight:800;color:var(--yale);font-size:12.5px;text-transform:uppercase;letter-spacing:.05em}
.etapa:nth-child(2) .fase{color:#8a6d08}.etapa:nth-child(3) .fase{color:var(--rojo)}
.etapa h3{font-size:20px;margin:4px 0 8px;color:var(--navy)}
.etapa p{font-size:14.5px;color:#374151;line-height:1.6;margin:0 0 12px}
.etapa .tags{display:flex;flex-wrap:wrap;gap:6px}
.etapa .tags span{background:rgba(0,59,130,.07);color:var(--yale);font-size:11.5px;font-weight:700;border-radius:999px;padding:4px 11px}
.etapa-flecha{display:flex;align-items:center;justify-content:center;color:var(--linea);font-size:24px}
.cohesion{max-width:820px;margin:24px auto 0;background:linear-gradient(120deg,var(--navy),var(--yale));border-radius:var(--r);color:#fff;padding:22px 28px;font-size:15.5px;line-height:1.6}
.cohesion b{color:var(--amarillo)}

/* capas */
.capas{max-width:900px;margin:0 auto;display:grid;gap:12px}
.capa{display:grid;grid-template-columns:180px 1fr;gap:16px;align-items:center;background:#fff;border-radius:16px;box-shadow:0 6px 20px rgba(0,31,71,.08);padding:16px 20px;border-left:6px solid var(--yale)}
.capa.pres{border-left-color:var(--amarillo)}.capa.app{border-left-color:var(--yale)}
.capa.mod{border-left-color:var(--yale2)}.capa.bd{border-left-color:var(--verde)}.capa.int{border-left-color:var(--rojo)}
.capa .lbl{font-family:'Red Hat Display';font-weight:800;color:var(--navy);font-size:15px}
.capa .lbl small{display:block;color:var(--gris);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.04em}
.capa .items{display:flex;flex-wrap:wrap;gap:8px}
.capa .items span{background:var(--bg);border:1px solid var(--linea);color:#37414f;font-size:12.5px;font-weight:600;border-radius:8px;padding:6px 12px}
.capa-flecha{text-align:center;color:var(--linea);font-size:18px;margin:-6px 0}

/* mapa de módulos */
.modmap{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.modcard{background:#fff;border-radius:16px;box-shadow:0 6px 20px rgba(0,31,71,.08);padding:18px;border-top:4px solid var(--yale);transition:.2s}
.modcard:hover{transform:translateY(-4px)}
.modcard .ic{width:44px;height:44px;border-radius:12px;background:rgba(0,59,130,.1);color:var(--yale);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:10px}
.modcard h4{font-size:15px;margin:0 0 4px;color:var(--navy)}
.modcard p{font-size:12.5px;color:var(--gris);margin:0}

/* modelo de datos */
.bdgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:1000px;margin:0 auto}
.bdgroup{background:#fff;border-radius:16px;box-shadow:0 6px 20px rgba(0,31,71,.08);padding:18px 20px;border-left:5px solid var(--verde)}
.bdgroup h4{font-size:15px;margin:0 0 4px;color:var(--navy);display:flex;justify-content:space-between;align-items:center}
.bdgroup h4 .cnt{background:var(--verde);color:#fff;font-size:12px;border-radius:999px;padding:2px 10px}
.bdgroup p{font-size:12.5px;color:var(--gris);margin:6px 0 0}
.bdgroup code{font-size:11.5px;color:var(--yale);background:rgba(0,59,130,.06);padding:1px 5px;border-radius:4px}

.arq-cta{background:linear-gradient(120deg,var(--yale),var(--yale2));color:#fff;border-radius:var(--r);padding:36px;text-align:center;max-width:900px;margin:0 auto}
.arq-cta h2{color:#fff}
.arq-dl{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:16px}

@media(max-width:900px){.arq-kpis,.modmap{grid-template-columns:repeat(2,1fr)}.etapas,.bdgrid{grid-template-columns:1fr}.etapa-flecha{transform:rotate(90deg)}.capa{grid-template-columns:1fr}}