:root{--text-primary:#000;--text-secondary:#808080;--text-tertiary:#a9a9a9;--border-color:#d3d3d3;--bg-color:#f0f0f0;--font-size-base:0.9375rem;--font-size-sm:0.8125rem;--font-size-lg:1.25rem;--font-weight-light:300;--font-weight-regular:400;--font-weight-medium:500;--line-height-base:1.75;--letter-spacing-body:0.015em;--letter-spacing-heading:-0.02em;--spacing-xs:0.5rem;--spacing-sm:1rem;--spacing-md:1.5rem;--spacing-lg:2rem;--spacing-xl:3rem;--spacing-xxl:5rem;--content-max-width:650px;--margin-left:8vw;--transition-base:0.3s ease;--shadow-sm:0 4px 12px rgba(0,0,0,0.1);--radius-sm:0.5rem}*{box-sizing:border-box}*,body,html{padding:0;margin:0}body,html{height:100%;font-family:Satoshi,sans-serif;letter-spacing:var(--letter-spacing-body);line-height:var(--line-height-base);color:var(--text-primary);background:#fff}h1,h2,h3{margin:0;line-height:1.3;letter-spacing:var(--letter-spacing-heading)}h1{color:var(--text-primary);font-size:var(--font-size-lg)}h1,h2{font-weight:var(--font-weight-light)}h2{color:var(--text-tertiary);font-size:var(--font-size-base)}button{font-family:Satoshi,sans-serif;letter-spacing:var(--letter-spacing-body)}@media (max-width:768px){:root{--font-size-base:0.875rem;--font-size-sm:0.75rem;--font-size-lg:1rem;--margin-left:4vw;--spacing-xs:0.4rem;--spacing-sm:0.75rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem}}