/* Paleta e reset */
:root{
	--dark-blue: #1B2A49;
	--vibrant-green: #2ECC71;
	--light-gray: #F4F4F4;
	--white: #FFFFFF;
	--text: #1b2638;
	--muted: #6b7280;
	--shadow: 0 6px 18px rgba(27,42,73,0.08);
	--radius: 12px;
}

*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial;color:var(--text);background:var(--white);-webkit-font-smoothing:antialiased}
.container{max-width:1100px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{
	position:sticky;top:0;z-index:80;background:var(--white);box-shadow:0 2px 8px rgba(16,24,40,0.04)
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.logo{font-weight:700;color:var(--dark-blue);text-decoration:none;font-size:1.1rem}
.main-nav ul{list-style:none;padding:0;margin:0;display:flex;gap:20px}
.main-nav a{text-decoration:none;color:var(--text);font-weight:500}
.header-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;background:none;border:0;font-size:1.2rem}

/* Hero */
.hero{padding:64px 0;text-align:left}
.hero-inner h1{margin:0;font-size:2.1rem;line-height:1.05}
.subtitle{margin-top:8px;color:rgba(255,255,255,0.9)}

/* Sections */
.section{padding:64px 0;background:var(--white)}
.section--alt{background:var(--light-gray)}
.section-title{font-size:1.4rem;color:var(--dark-blue);margin:0 0 8px}
.section-lead{margin:0 0 24px;color:var(--muted)}

/* Cards grid */
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--white);border-radius:var(--radius);padding:20px;border:1px solid rgba(16,24,40,0.04);box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease}
.card:hover{transform:translateY(-6px);box-shadow:0 12px 30px rgba(27,42,73,0.10)}
.card-icon{width:56px;height:56px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--dark-blue),var(--vibrant-green));color:var(--white);font-size:1.4rem;margin-bottom:12px}
.card h3{margin:0 0 8px;font-size:1.05rem}
.card p{margin:0 0 12px;color:var(--muted)}
.btn-outline{display:inline-block;padding:8px 12px;border-radius:10px;border:1px solid rgba(27,42,73,0.06);text-decoration:none;color:var(--dark-blue);font-weight:600}

/* Portfolio grid */
.portfolio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:18px}
.portfolio-item{position:relative;border-radius:12px;overflow:hidden;box-shadow:var(--shadow);background:#fff;cursor:pointer}
.portfolio-item a{display:block;color:inherit;text-decoration:none}
.portfolio-item a:focus{outline:3px solid rgba(46,204,113,0.18);outline-offset:2px}
.portfolio-item img{width:100%;height:220px;object-fit:cover;display:block}
.portfolio-item figcaption{position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,0.6));color:#fff;opacity:0;display:flex;flex-direction:column;justify-content:flex-end;padding:16px;transition:opacity .18s ease}
.portfolio-item:hover figcaption{opacity:1}

/* CTA */
.btn{display:inline-block;padding:10px 18px;border-radius:999px;text-decoration:none;font-weight:700}
.btn-cta{background:var(--vibrant-green);color:var(--white);box-shadow:var(--shadow);transition:filter .12s ease,transform .12s ease}
.btn-cta:hover{filter:brightness(.94);transform:translateY(-2px)}
.btn-hero{margin-top:18px}

/* Footer */
.site-footer{background:#0f1724;color:rgba(255,255,255,0.9);padding:32px 0}
.footer-inner{display:flex;gap:20px;justify-content:space-between;align-items:flex-start}
.footer-brand .logo{color:var(--vibrant-green);font-weight:700}
.footer-links ul{list-style:none;padding:0;margin:0}
.footer-links a{color:rgba(255,255,255,0.9);text-decoration:none}
.footer-bottom{padding:12px 0;text-align:center;color:rgba(255,255,255,0.6);background:transparent}

/* Utilities */
.cta-row{margin-top:20px}
@media (max-width:900px){
	.cards-grid{grid-template-columns:repeat(2,1fr)}
	.portfolio-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:600px){
	.header-inner{gap:12px}
	.main-nav{display:none}
	.nav-toggle{display:block}
	.cards-grid{grid-template-columns:1fr}
	.portfolio-grid{grid-template-columns:1fr}
	.footer-inner{flex-direction:column;gap:12px}
}

/* Promo banner / callout */
.promo-banner{display:flex;justify-content:space-between;align-items:center;background:linear-gradient(90deg,#f0fffa,#ffffff);border:1px solid rgba(46,204,113,0.12);padding:12px 16px;border-radius:10px;margin:12px 0;color:var(--text)}
.promo-banner strong{color:var(--dark-blue)}
.promo-banner .btn-outline{border-color:rgba(27,42,73,0.06);background:transparent}

.callout{background:linear-gradient(90deg,#f5f9ff,#ffffff);border-left:4px solid var(--vibrant-green);padding:14px;border-radius:8px;margin:18px 0;color:var(--text)}