:root{
  --navy:#001b52; --blue:#0052ff; --cyan:#16b8ff; --dark:#07142f;
  --line:#dbe6ff; --light:#f5f8ff; --muted:#596579; --white:#fff;
  --shadow:0 18px 45px rgba(0,27,82,.12);
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--dark);background:linear-gradient(180deg,#fff,#f5f8ff);line-height:1.5}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);display:flex;align-items:center;gap:22px;padding:18px 6%;border-bottom:1px solid var(--line)}
.brand{font-weight:900;font-size:28px;color:var(--navy);margin-right:auto;letter-spacing:-.5px}.brand span{color:var(--blue)}
.nav{display:flex;gap:24px;align-items:center}.nav a{font-weight:700;color:#27364f}.nav a.active,.nav a:hover{color:var(--blue)}
.top-cta,.btn{background:var(--blue);color:white;padding:12px 20px;border-radius:999px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 12px 26px rgba(0,82,255,.22)}
.menu-toggle{display:none;border:0;background:var(--navy);color:white;border-radius:10px;padding:10px 13px;font-size:22px}
.hero{min-height:78vh;display:grid;place-items:center;text-align:center;color:white;padding:110px 20px 70px;background:linear-gradient(90deg,rgba(0,16,45,.84),rgba(0,27,82,.56)),url('../images/catalogo_sptech_final.jpg') center/cover no-repeat}
.hero .inner{max-width:980px}.hero h1{font-size:clamp(44px,8vw,96px);line-height:1.02;margin:12px 0}.hero p{font-size:clamp(18px,2vw,25px);color:rgba(255,255,255,.9);margin:0 auto 28px;max-width:820px}
.kicker{display:inline-block;border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.08);padding:8px 16px;border-radius:999px;font-weight:900;color:#dbeafe}
.section{max-width:1380px;margin:auto;padding:70px 22px}.section-head{text-align:center;max-width:900px;margin:0 auto 42px}.section-head h2{font-size:clamp(34px,5vw,62px);line-height:1.05;color:var(--navy);margin:0 0 14px}.section-head p{font-size:19px;color:var(--muted);margin:0}
.catalog-image{background:white;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:14px;overflow:hidden}
.catalog-image img{width:100%;border-radius:18px}
.action-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:28px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.feature-box{background:white;border:1px solid var(--line);border-radius:28px;padding:32px;box-shadow:var(--shadow)}
.icon{width:46px;height:46px;min-width:46px;border-radius:14px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:white;display:grid;place-items:center;font-weight:900;margin-bottom:12px}
.band{background:linear-gradient(90deg,var(--navy),#0052ff);color:white;padding:70px 22px;text-align:center}.band h2{font-size:clamp(32px,5vw,58px);margin:0 0 16px}.band p{font-size:20px;max-width:780px;margin:0 auto 25px;color:rgba(255,255,255,.9)}
.footer{display:flex;justify-content:space-between;gap:22px;flex-wrap:wrap;background:#050b1b;color:white;padding:34px 6%;color:rgba(255,255,255,.82)}
.footer strong{color:white}.footer a{color:white;font-weight:800}
@media(max-width:900px){.nav,.top-cta{display:none}.menu-toggle{display:block}.site-header.open .nav{display:flex;position:absolute;left:0;right:0;top:70px;background:white;padding:20px 6%;flex-direction:column;align-items:flex-start;border-bottom:1px solid var(--line)}}
@media(max-width:620px){.section{padding:52px 16px}.hero{min-height:72vh}.footer{text-align:center;display:block}.footer div{margin:12px 0}}