:root{
  --brand-green:#2E7D32; /* darker green gradient hero */
  --brand-orange:#F57C00;
  --brand-dark:#0A0F1A;
  --muted:#f4f4f5;
  --glass: rgba(255,255,255,0.05);
  --max-width:1200px;
  --radius:12px;
  --ease: cubic-bezier(.2,.9,.2,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  color:var(--brand-dark);
  background:linear-gradient(180deg,#fbfbfc 0%, #f6f7f9 100%);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.5;
  overflow-x:hidden;
}

/* container */
.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}
.section{padding:72px 0}

/* header */
.site-header{position:fixed;left:0;right:0;top:0;z-index:60;background:rgba(10,15,26,0.02);backdrop-filter: blur(6px); border-bottom:1px solid rgba(10,15,26,0.04);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;max-width:var(--max-width);margin:0 auto;padding:14px 20px}
.brand{display:flex;align-items:center;gap:12px}
.brand-logo{height:44px;width:auto;display:block}
.brand-name{font-weight:700;color:var(--brand-dark);letter-spacing:.4px}

/* nav */
.nav{display:flex;gap:22px;align-items:center}
.nav a{color:var(--brand-dark);text-decoration:none;font-weight:600;padding:8px 10px;border-radius:8px;transition:all .18s var(--ease)}
.nav a:hover{background:var(--glass);transform:translateY(-2px)}
.nav-actions{display:flex;align-items:center;gap:12px}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:12px 20px;border-radius:999px;font-weight:700;font-size:.95rem;cursor:pointer}
.btn-primary{background:linear-gradient(90deg,var(--brand-dark) 0%,var(--brand-green) 50%);color:#fff;border:0;box-shadow:0 8px 24px rgba(10,15,26,0.08)}
.btn-outline{background:transparent;color:var(--brand-dark);border:1px solid rgba(10,15,26,0.06)}
.cta{display:none}

/* hero */
.hero{min-height:72vh;height:calc(100vh - 84px);display:flex;align-items:center;justify-content:center;position:relative;background-size:cover;background-position:center;background-repeat:no-repeat}
.hero-veil{position:absolute;inset:0;background:linear-gradient(180deg, rgba(46,125,50,0.5) 0%, rgba(46,125,50,0.8) 100%);mix-blend-mode:multiply;z-index:1}
.hero-inner{position:relative;z-index:2;max-width:1100px;padding:48px;text-align:center;color:#f0f0f0} /* lighter hero text */
.hero-title{font-family: 'Roboto Slab', serif;font-size:2.6rem;line-height:1.02;margin-bottom:12px;letter-spacing:-0.5px}
.hero-sub{opacity:.95;margin-bottom:22px;font-size:1.05rem}
.hero-ctas{display:flex;gap:14px;justify-content:center;margin-bottom:20px}
.hero-stats{display:flex;gap:28px;justify-content:center;margin-top:18px}
.hero-stats div{background:rgba(255,255,255,0.04);padding:8px 18px;border-radius:20px}
.hero-stats strong{display:block;font-size:1.05rem}

/* services */
.section--muted{background:linear-gradient(180deg,#fff 0,#fbfbfd 100%)}
.section-title{text-align:center;font-size:1.8rem;margin-bottom:8px;font-weight:700;color:var(--brand-dark)}
.section-sub{text-align:center;max-width:780px;margin:0 auto 28px;color:#444}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}
.card{background:#fff;border-radius:var(--radius);padding:26px;box-shadow:0 10px 28px rgba(10,15,26,0.06);min-height:170px;display:flex;flex-direction:column;gap:12px;transition:transform .36s var(--ease),box-shadow .36s var(--ease)}
.card:hover{transform:translateY(-8px);box-shadow:0 18px 40px rgba(10,15,26,0.09)}
.card h3{font-size:1.05rem}
.card p{color:#546;flex:1;font-size:.96rem}

/* projects */
.project-strip{display:flex;gap:18px;overflow-x:auto;padding:18px 6px;scroll-behavior:smooth;margin-top:22px}
.project-strip::-webkit-scrollbar{height:10px}
.project-strip::-webkit-scrollbar-thumb{background:linear-gradient(90deg,var(--brand-green),var(--brand-orange));border-radius:10px}
.project-tile{min-width:320px;max-width:360px;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 8px 30px rgba(10,15,26,0.06);flex-shrink:0;transition:transform .4s var(--ease)}
.project-tile img{width:100%;height:220px;object-fit:cover;display:block}
.project-tile figcaption{padding:12px 14px;font-weight:600;color:var(--brand-dark);background:linear-gradient(180deg,transparent, rgba(0,0,0,0.02))}

/* strip controls */
.strip-controls{display:flex;gap:10px;justify-content:center;margin-top:14px}
.strip-btn{background:var(--brand-dark);color:#fff;border:0;padding:10px 14px;border-radius:8px;cursor:pointer;box-shadow:0 8px 18px rgba(10,15,26,0.08)}

/* contact */
.contact-grid{display:grid;grid-template-columns:480px 1fr;gap:28px;align-items:start}
.contact-card{background:#fff;padding:24px;border-radius:12px;box-shadow:0 10px 30px rgba(10,15,26,0.06)}
.contact-card h2{margin-bottom:8px}
.contact-form{background:#fff;padding:22px;border-radius:12px;box-shadow:0 10px 30px rgba(10,15,26,0.06)}
.contact-form label{display:block;margin-bottom:10px}
.contact-form input,.contact-form textarea{width:100%;padding:12px;border-radius:8px;border:1px solid rgba(10,15,26,0.06);font-size:1rem}
.contact-form textarea{min-height:140px;resize:vertical}
.contact-form .btn-outline{background:transparent;border:1px solid rgba(10,15,26,0.08);padding:12px 18px}

/* footer */
.site-footer{padding:24px 0;background:var(--brand-dark);color:#fff;margin-top:40px}
.footer-grid{display:flex;justify-content:space-between;gap:20px;align-items:center}

/* floating whatsapp */
.whatsapp-float{position:fixed;right:18px;bottom:18px;background:linear-gradient(180deg,var(--brand-green),var(--brand-orange));color:#fff;padding:12px 14px;border-radius:999px;box-shadow:0 12px 30px rgba(10,15,26,0.18);z-index:80;display:inline-flex;align-items:center;gap:8px}

/* reveal animations */
.card, .project-tile, .contact-card, .contact-form {opacity:0;transform:translateY(28px);transition:opacity .6s ease, transform .6s ease}
.visible{opacity:1;transform:translateY(0)}

/* thank-you */
#thankYouMsg{transition:opacity .5s ease, transform .5s ease;opacity:0;transform:translateY(12px)}
#thankYouMsg.show{opacity:1;transform:translateY(0)}

/* responsive */
@media (max-width:1100px){.cards{grid-template-columns:repeat(2,1fr)}.contact-grid{grid-template-columns:1fr}}
@media (max-width:760px){
  .nav{display:none}
  .hamburger{display:block}
  .hero-title{font-size:1.7rem}
  .cards{grid-template-columns:1fr}
  .project-tile{min-width:85vw;max-width:85vw}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{flex-direction:column;gap:10px;text-align:center}
}