:root{--navy:#071226;--text:#172033;--muted:#6f7b91;--line:#e7edf5;--blue:#1592ff;--orange:#ff6a12;--cloud:#f6f9fd;--white:#fff;--radius:18px;--shadow:0 18px 55px rgba(7,18,38,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);background:#fff;font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Arial,sans-serif}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.wrap{width:min(1160px,calc(100% - 40px));margin:auto}.wrap-narrow{width:min(820px,calc(100% - 40px));margin:auto}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:20px;top:20px;z-index:999;background:#fff;padding:10px 14px}.site-header{position:sticky;top:0;z-index:50;background:rgb(255 255 255 / .94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px}.brand img,.custom-logo{display:block;max-height:38px;width:auto}.brand-divider{height:24px;width:1px;background:var(--line)}.brand-blog{font-weight:800;color:var(--navy)}.primary-nav{display:flex;align-items:center;gap:22px}.menu{display:flex;align-items:center;gap:24px;list-style:none;margin:0;padding:0}.menu a{font-size:14px;font-weight:700;color:#344055}.menu a:hover{color:var(--blue)}.tool-button,.big-button{display:inline-flex;align-items:center;justify-content:center;background:var(--navy);color:#fff!important;border-radius:12px;padding:11px 16px;font-weight:800}.nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 12px;font-weight:700}.blog-hero{background:radial-gradient(circle at 75% 20%,#e4f4ff 0,transparent 35%),linear-gradient(#fff,#fafdff);padding:84px 0 72px;border-bottom:1px solid var(--line)}.hero-grid{display:grid;grid-template-columns:1.15fr 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