:root{--primary:#000;--secondary:#555;--light:#f5f5f5;--accent:#dcdcdc;--white:#fff;--font-heading:'Poppins',Arial,sans-serif;--font-body:'Open Sans',Arial,sans-serif}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-body);color:var(--secondary);background:var(--white);line-height:1.6}
.container{max-width:1100px;width:90%;margin:0 auto}.section{padding:4rem 0}.section.alt{background:var(--light)}.lead{text-align:center;max-width:800px;margin:0 auto 2rem}
.site-header{position:sticky;top:0;z-index:999;background:var(--white);border-bottom:1px solid var(--accent)}.header-inner{display:flex;align-items:center;justify-content:space-between;padding:.5rem 0}
.brand{display:flex;align-items:center;gap:1rem;text-decoration:none}.logo{height:120px;width:auto}.brand-text{font-family:var(--font-heading);color:var(--primary);font-weight:600;letter-spacing:.5px}
.nav{position:relative}.nav-list{list-style:none;display:flex;gap:1.25rem}.nav-list a{text-decoration:none;color:var(--secondary);font-weight:500}.nav-list a:hover{color:var(--primary)}
.nav-toggle{display:none;background:none;border:none;cursor:pointer}.hamburger{width:24px;height:2px;background:var(--primary);position:relative}.hamburger::before,.hamburger::after{content:"";position:absolute;left:0;width:24px;height:2px;background:var(--primary)}.hamburger::before{top:-7px}.hamburger::after{top:7px}
@media(max-width:768px){.nav-toggle{display:block}.nav-list{display:none;position:absolute;right:0;top:140px;background:var(--white);padding:1rem;border:1px solid var(--accent);border-radius:6px;flex-direction:column}.nav-list.show{display:flex}.logo{height:110px}}
.hero{background:var(--white)}.hero-center{max-width:900px;margin:0 auto;text-align:center}.hero-center h1{font-family:var(--font-heading);color:var(--primary);font-size:2.6rem;margin-bottom:.75rem}.hero-center p{color:var(--secondary);margin-bottom:1.25rem}.hero-cta{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;padding:.75rem 1.5rem;border:2px solid var(--primary);border-radius:4px;font-weight:700;text-decoration:none;transition:.2s}.btn.primary{background:var(--primary);color:#fff}.btn.primary:hover{background:#222}.btn.outline{color:var(--primary);background:transparent}.btn.outline:hover{background:var(--primary);color:#fff}
.features-grid,.services-grid,.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}.feature,.service-card{background:#fff;border:1px solid var(--accent);border-radius:6px;padding:1.5rem;transition:transform .2s}.feature:hover,.service-card:hover{transform:translateY(-4px)}.feature h3,.service-card h3{font-family:var(--font-heading);color:var(--primary);margin-bottom:.5rem}
.workflow-steps{list-style:none;max-width:700px;margin:0 auto}.workflow-steps li{margin-bottom:1rem;border-left:4px solid var(--primary);padding-left:1rem;font-weight:600;color:var(--secondary)}.workflow-steps strong{color:var(--primary)}
.upload-form{max-width:700px;margin:0 auto;display:flex;flex-direction:column;gap:1rem}.upload-form label{font-weight:700;color:var(--primary)}.upload-form input,.upload-form textarea{border:1px solid var(--accent);border-radius:4px;padding:.75rem;font-size:1rem}
.drop-zone{border:2px dashed var(--primary);border-radius:6px;padding:2rem;text-align:center;color:var(--secondary);background:#fafafa;cursor:pointer}.drop-zone.dragover{background:#f0f0f0}
.progress-wrapper{margin-top:1rem;height:10px;background:var(--accent);border-radius:5px;overflow:hidden;display:none}.progress-bar{height:10px;width:0%;background:var(--primary);transition:width .3s}
.footer{background:var(--primary);color:#fff;text-align:center;padding:1.5rem}