/* Chelvid Premium CSS */
:root{
  --petroleo:#0b4a66;--petroleo-2:#0d6b83;--grafite:#0b0f12;--metalic:#cfe6ee;--muted:#bfc9d1;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:Inter,Segoe UI,Arial,sans-serif;background:linear-gradient(180deg,var(--grafite),#071116);color:var(--metalic);-webkit-font-smoothing:antialiased}
.container{width:92%;max-width:1200px;margin:0 auto}
header{position:fixed;top:0;left:0;right:0;backdrop-filter:blur(8px);background:rgba(6,10,12,0.45);border-bottom:1px solid rgba(255,255,255,0.03);z-index:1000;padding:10px 0}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:0 20px}
.brand{display:flex;align-items:center;gap:12px;color:var(--metalic);text-decoration:none}
.brand img{height:52px}
nav a{color:var(--muted);text-decoration:none;margin-left:18px;font-weight:600}
nav a:hover{color:var(--metalic)}
.hero{padding-top:100px;min-height:72vh;display:flex;align-items:center}
.hero-inner{display:grid;grid-template-columns:1fr 420px;gap:32px;align-items:center;padding:40px 0}
.hero-copy h1{font-family:Montserrat, sans-serif;font-size:2.6rem;color:white;margin-bottom:12px}
.hero-copy p{color:var(--muted);margin-bottom:18px}
.btn{display:inline-block;padding:12px 18px;border-radius:12px;font-weight:700;text-decoration:none;color:white;background:linear-gradient(90deg,var(--petroleo-2),var(--petroleo));box-shadow:0 12px 30px rgba(11,74,102,0.25)}
.panel{background:linear-gradient(180deg,rgba(255,255,255,0.02),rgba(255,255,255,0.01));padding:18px;border-radius:12px;color:var(--muted);box-shadow:0 12px 30px rgba(2,6,23,0.6)}
.section-title{color:var(--metalic);text-align:center;font-size:1.6rem;margin:34px 0}
.projects-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.project{height:220px;border-radius:12px;background-size:cover;background-position:center;overflow:hidden;box-shadow:0 12px 30px rgba(2,6,23,0.6)}
.testimonial{background:linear-gradient(180deg,rgba(255,255,255,0.02),rgba(255,255,255,0.01));padding:18px;border-radius:12px;color:var(--muted)}
.contato-grid{display:grid;grid-template-columns:1fr 360px;gap:20px;margin-top:12px}
.card{padding:18px;border-radius:12px;background:linear-gradient(180deg,rgba(255,255,255,0.02),rgba(255,255,255,0.01));box-shadow:0 12px 30px rgba(2,6,23,0.6)}
footer{padding:36px 0;background:linear-gradient(180deg,#041013,#021012);color:var(--muted);text-align:center;margin-top:40px}
.whatsapp{position:fixed;right:22px;bottom:22px;z-index:1200;display:inline-grid;place-items:center;width:56px;height:56px;border-radius:12px;background:linear-gradient(180deg,#25D366,#1DA851);box-shadow:0 10px 28px rgba(11,74,102,0.2);color:#fff;text-decoration:none}
@media(max-width:980px){.hero-inner{grid-template-columns:1fr}.projects-grid{grid-template-columns:1fr}.contato-grid{grid-template-columns:1fr}nav{display:none}}