@charset "UTF-8";:root{--p-morado:#4b0286;--p-neon:#00ED0B;--p-text:#1a1a1a;--p-bg:#F9F9F9}.hf-pure-tech{background:var(--p-bg);padding:40px 20px 120px;font-family:'Karla',sans-serif;position:relative;z-index:0}.hf-container{max-width:1400px;margin:0 auto;position:relative;z-index:0}.hf-header{margin-bottom:60px;text-align:left}.hf-main-title{font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-weight:900;font-size:clamp(32px,5vw,48px);line-height:1.05;letter-spacing:-2px;text-transform:uppercase;margin:0 0 30px 0;color:#000}.hf-main-title span{color:var(--p-morado)}.hf-main-intro{font-size:21px;color:#444;max-width:720px;line-height:32px}.hf-grid-4x2{display:grid;grid-template-columns:repeat(4,1fr);gap:40px}.hf-card{background:#fff;padding:45px 30px;position:relative;border:1px solid #eee;transition:all 0.5s cubic-bezier(0.165,0.84,0.44,1);display:flex;flex-direction:column;overflow:hidden;z-index:0}.hf-card:hover{transform:translateY(-8px);border-color:transparent;box-shadow:0 30px 60px rgba(75,2,134,0.08);z-index:10}.hf-card h3{font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-weight:700;font-size:22px;line-height:1.3;margin:10px 0 18px;color:#000;letter-spacing:-0.5px}.hf-card p{font-size:15.5px;color:#666;line-height:1.5;margin-bottom:30px;flex-grow:1}.hf-icon-box{width:80px;height:80px;margin-bottom:25px;display:flex;align-items:center;justify-content:center;position:relative;z-index:1}.hf-icon-radar{position:absolute;width:100%;height:100%;background:#f8f8f9;border:1px solid #f0f0f0;border-radius:50%;z-index:0}.hf-icon-box i{font-size:32px;color:var(--p-morado);transition:transform 0.8s cubic-bezier(0.65,0,0.35,1);z-index:1}.hf-card:hover i{transform:rotate(360deg) scale(1.1)}.hf-cta{font-weight:800;font-size:11px;letter-spacing:2px;color:var(--p-text);text-decoration:none;text-transform:uppercase;display:inline-flex;align-items:center;gap:8px}.hf-watermark{position:absolute;top:-15px;right:-10px;font-size:130px;font-weight:900;color:#f0f0f0;opacity:0.5;font-family:'Helvetica Neue',sans-serif;line-height:1;pointer-events:none;z-index:0}.hf-card-border{position:absolute;top:0;left:0;width:100%;height:100%;border:2px solid var(--p-neon);opacity:0;transition:all 0.3s ease;pointer-events:none;z-index:1}.hf-card:hover .hf-card-border{opacity:1}.hf-content-layer{position:relative;height:100%;display:flex;flex-direction:column;z-index:2;pointer-events:none}.stretched-link::after{content:"";position:absolute;inset:0;z-index:3}.stretched-link{pointer-events:auto}@media (max-width:1920px){.hf-grid-4x2{grid-template-columns:repeat(2,1fr)}}@media (max-width:650px){.hf-grid-4x2{grid-template-columns:1fr}}