:root{--ink:#111;--paper:#fff;--hero-bg:#f3f3f3;--accent:#111;--btn-ink:#fff;--muted:#555;--card:#f4f4f4;--footer:#111;--footer-text:#fff;--line:#ddd}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}img{max-width:100%}.container{max-width:1200px;margin:auto;padding:0 28px}
.site-header{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px max(28px,calc((100vw - 1200px)/2));background:#fff;border-bottom:1px solid #e5e5e5}.site-logo{font-size:24px;font-weight:900;letter-spacing:-.06em}.site-header nav{font-size:14px}.site-header nav a:hover{text-decoration:underline}
.hero{background:var(--hero-bg);padding:110px 0 125px}.eyebrow{font-size:12px;font-weight:800;letter-spacing:.24em;text-transform:uppercase;color:var(--accent)}h1{font-size:clamp(42px,6vw,82px);line-height:1.05;letter-spacing:-.055em;max-width:950px;margin:20px 0;font-weight:800}h2,h3{letter-spacing:-.035em}p{line-height:1.65}.hero p{max-width:650px;font-size:20px;color:var(--muted)}
.btn{display:inline-block;background:#111;color:#fff;padding:15px 28px;border:1px solid #111;border-radius:0;margin-top:20px;font-weight:700;transition:background .2s,color .2s}.btn:hover,.btn:focus-visible{background:#fff;color:#111}.btn:focus-visible,a:focus-visible{outline:2px solid currentColor;outline-offset:3px}
.features{padding:92px 0 110px}.features h2{font-size:clamp(32px,4vw,52px);margin:0 0 42px}.columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.feature{background:var(--card);padding:35px 28px;border-radius:0;min-height:210px;border:1px solid #e7e7e7}.feature-num{color:#555;font-size:13px;font-weight:800}.feature h3{font-size:25px}.feature p{color:var(--muted)}
.site-footer{padding:48px max(28px,calc((100vw - 1200px)/2));background:var(--footer);color:var(--footer-text);font-size:13px}
@media(max-width:767px){.site-header{min-height:70px;padding:14px 24px}.hero{padding:65px 0}.columns{grid-template-columns:1fr}.features{padding:55px 0}.container{padding:0 24px}}