:root{
  --primary-blue:#2563EB;
  --secondary-green:#10B981;
  --accent-orange:#F59E0B;
  --bg-light:#F9FAFB;
  --text-dark:#1F2937;
  --text-gray:#6B7280;
  --white:#FFFFFF;
  --border-gray:#E5E7EB;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:Inter,Arial, sans-serif;color:var(--text-dark);background:#fff}
img{max-width:100%;height:auto;display:block}
.container{max-width:1150px;margin:0 auto;padding:1rem}
.header{background:var(--white);box-shadow:0 2px 6px rgba(0,0,0,0.04);position:sticky;top:0;z-index:50}
.nav-container{display:flex;align-items:center;justify-content:space-between}
.logo{font-family:Poppins, sans-serif;font-weight:700;color:var(--primary-blue);text-decoration:none;font-size:1.25rem}
.nav-menu{list-style:none;margin:0;padding:0;display:flex;gap:1rem;align-items:center}
.nav-menu li a{color:var(--text-dark);text-decoration:none;padding:.5rem .75rem;border-radius:4px}
.nav-menu li a.active, .nav-menu li a:hover{background:var(--bg-light)}
.hamburger{display:none;cursor:pointer}
.hamburger span{display:block;width:22px;height:2px;background:#333;margin:4px 0}

.hero{padding:3rem 0;background:linear-gradient(180deg, #f7fbff 0%, #fff 100%)}
.hero-grid{display:grid;grid-template-columns:1fr 420px;gap:2rem;align-items:center}
.hero-content h1{font-family:Poppins, sans-serif;font-size:3rem;margin:0 0 .5rem}
.lead{color:var(--text-gray);font-size:1.125rem}
.hero-ctas{margin-top:1rem}
.btn{display:inline-block;padding:.6rem 1rem;border-radius:4px;border:1px solid transparent;text-decoration:none}
.btn-primary{background:var(--primary-blue);color:#fff}
.btn-outline{background:transparent;border:1px solid var(--primary-blue);color:var(--primary-blue)}
.trust-indicator{margin-top:.75rem;color:var(--text-gray)}

.section{padding:3rem 0}
.section-title{font-family:Poppins, sans-serif;font-size:2rem;margin-bottom:1rem}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.cards .card{background:var(--white);padding:1.25rem;border-radius:8px;box-shadow:0 4px 6px rgba(0,0,0,0.06);border:1px solid var(--border-gray)}
.card .icon{font-size:1.5rem;color:var(--primary-blue);margin-bottom:.5rem}

.bg-light{background:var(--bg-light)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.feature{background:#fff;padding:1rem;border-radius:8px;box-shadow:0 4px 6px rgba(0,0,0,0.04);text-align:center}
.feature-icon{font-size:2rem;color:var(--primary-blue);margin-bottom:.5rem}

.testimonials{display:flex;gap:1rem;overflow:hidden}
.testimonial{flex:1;padding:1rem;background:#fff;border-radius:8px;display:none}
.testimonial.active{display:block}

.accordion .accordion-item{margin-bottom:.5rem}
.accordion-toggle{width:100%;text-align:left;padding:.75rem;background:#fff;border:1px solid var(--border-gray);border-radius:8px;cursor:pointer}
.accordion-panel{padding:.75rem;border-radius:8px;margin-top:.25rem;background:#fff;display:none}

.cta{background:linear-gradient(90deg,var(--primary-blue),var(--secondary-green));color:#fff;text-align:center;padding:2rem;border-radius:8px}
.cta .btn{border-color:rgba(255,255,255,0.2)}

.footer{background:#fff;border-top:1px solid var(--border-gray);padding:2rem 0;margin-top:2rem}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.footer-col h4{margin:0 0 .5rem}

#backToTop{position:fixed;right:1rem;bottom:1rem;background:var(--primary-blue);color:#fff;border:none;padding:.5rem 0;border-radius:6px;width:40px;height:40px;display:none}

.form label{display:block;margin-bottom:.5rem}
.form input,.form textarea,.form select{width:100%;padding:.6rem;border:1px solid var(--border-gray);border-radius:6px}
.form .form-msg{margin-top:.5rem;color:var(--text-gray)}

/* small utilities */
.muted{color:var(--text-gray)}

/* responsiveness will be in responsive.css */