:root {
    --primary: #1A4F95;
    --accent: #4A86C5;
    --light: #B0D1ED;
    --white: #ffffff;
    --bg-grey: #f8fafc;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', sans-serif; color: #334155; line-height: 1.6; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section-padding { padding: 80px 0; }

/* Header & Nav */
header { background: var(--white); padding: 20px 0; position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 15px rgba(0,0,0,0.05); }
header nav { display: flex; justify-content: space-between; align-items: center; }
.logo { height: 100px; }
.nav-links { display: flex; list-style: none; align-items: center; gap: 30px; }
.nav-links a { text-decoration: none; color: var(--primary); font-weight: 600; }
.btn-demo { background: var(--primary); color: var(--white) !important; padding: 10px 20px; border-radius: 6px; transition: 0.3s; }
.btn-demo:hover { background: var(--accent); }

/* Hero */
.hero { background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%); color: var(--white); padding-top: 60px; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; padding-bottom: 40px; }
.hero h1 { font-size: 2.8rem; line-height: 1.2; margin-bottom: 20px; }
.hero-btns { display: flex; gap: 15px; margin-top: 30px; }
.btn-primary { background: var(--white); color: var(--primary); padding: 15px 30px; border-radius: 8px; text-decoration: none; font-weight: 700; }
.btn-secondary { border: 2px solid var(--white); color: var(--white); padding: 15px 30px; border-radius: 8px; text-decoration: none; font-weight: 600; }

/* Infografiche CSS */
.infographic-circles { position: relative; height: 350px; width: 100%; }
.circle { position: absolute; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; color: white; border: 4px solid rgba(255,255,255,0.3); transition: 0.4s; }
.c-turista { width: 180px; height: 180px; background: rgba(255,255,255,0.2); top: 0; left: 10%; }
.c-pa { width: 200px; height: 200px; background: rgba(255,255,255,0.3); top: 100px; left: 40%; z-index: 2; }
.c-cittadino { width: 160px; height: 160px; background: rgba(255,255,255,0.15); bottom: 0; left: 15%; }

/* Cards & Grid */
.section-title { text-align: center; color: var(--primary); margin-bottom: 50px; font-size: 2.2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.card { background: var(--white); padding: 40px; border-radius: 15px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); border-bottom: 4px solid var(--light); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.feature-item { padding: 20px; border-left: 4px solid var(--accent); }
.bg-light { background: var(--bg-grey); }

/* PA Box */
.pa-box { background: #eef2f7; border-radius: 24px; padding: 60px; display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 40px; align-items: center; }
.check-list { list-style: none; margin-top: 20px; }
.check-list li::before { content: '✓'; color: var(--accent); font-weight: bold; margin-right: 10px; }

.mini-dashboard { background: white; padding: 20px; border-radius: 12px; height: 150px; display: flex; align-items: flex-end; gap: 10px; box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
.bar { flex: 1; background: var(--accent); border-radius: 4px 4px 0 0; }
.b1 { height: 60%; } .b2 { height: 90%; } .b3 { height: 40%; }

/* Footer */
footer { background: var(--primary); color: var(--white); padding: 80px 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 100px; }
.logo-white { height: 100px; filter: brightness(0) invert(1); margin-bottom: 10px; }
.footer-links h4 { margin-bottom: 20px; }
.footer-links a { display: block; color: var(--light); text-decoration: none; margin-bottom: 10px; }

@media (max-width: 768px) {
    .hero-grid, .grid-2, .pa-box, .footer-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2rem; }
    .nav-links { display: none; }
}