:root{--accent:#0b72ff;--muted:#6b7280;--bg:#fff;--card:#fff;--max-width:1100px;--gap:18px;--h1-min:1.6rem;--h1-preferred:4vw;--h1-max:2.8rem}
.container{max-width:var(--max-width);margin:22px auto;padding:16px;box-sizing:border-box}
h1{font-size:clamp(var(--h1-min),var(--h1-preferred),var(--h1-max));line-height:1.12;margin:0 0 .6em;font-weight:700}
article h1,section h1,aside h1,nav h1{font-size:clamp(1.4rem,3.5vw,2.4rem);line-height:1.12}
h1.article-title{color:#12385a;font-size:clamp(1.4rem,3.5vw,2.2rem);margin:0 0 8px}
.article-meta{color:var(--muted);margin-bottom:12px}
.article-content img{display:block;max-width:100%;height:auto;border-radius:8px;margin:14px 0}
.sticky{position:-webkit-sticky;position:sticky;top:90px;z-index:10}
.ad{background:#fff;border:1px dashed #e6eef8;padding:12px;border-radius:8px;text-align:center;color:var(--muted)}
.ad.placeholder{min-height:90px;display:flex;align-items:center;justify-content:center}
.layout{display:grid;grid-template-columns:1fr 320px;gap:var(--gap);align-items:start}
@media (max-width:980px){.layout{grid-template-columns:1fr}.sidebar{order:2}}
.cta{background:var(--accent);color:#fff;padding:10px 14px;border-radius:8px;text-decoration:none;display:inline-block}
.adsbygoogle{display:block!important;width:100%!important;text-align:center}
a:focus{outline:3px solid rgba(11,114,255,.18);outline-offset:3px}
.sachb-navbar{background:var(--bg);border-bottom:1px solid #eee;position:relative;z-index:40}
.nav-inner{max-width:var(--max-width);margin:0 auto;padding:10px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{font-weight:700;color:var(--accent);text-decoration:none;font-size:1.05rem}
.nav-toggle{display:inline-flex;background:none;border:0;padding:6px;cursor:pointer;align-items:center;justify-content:center}
.hamburger{display:inline-block;width:20px;height:14px;position:relative}
.hamburger span{position:absolute;left:0;width:100%;height:2px;background:#12385a;transition:transform .25s ease,opacity .2s ease}
.hamburger span:nth-child(1){top:0}
.hamburger span:nth-child(2){top:6px}
.hamburger span:nth-child(3){top:12px}
.nav-menu{position:absolute;top:100%;left:0;right:0;overflow:hidden;max-height:0;transition:max-height .36s cubic-bezier(.2,.9,.2,1),box-shadow .25s;box-shadow:none}
.nav-menu.open{max-height:420px;box-shadow:0 12px 30px rgba(17,24,39,.06)}
.nav-list{list-style:none;padding:12px;margin:0;display:flex;flex-direction:column;gap:6px}
.nav-list a{padding:10px;border-radius:6px;text-decoration:none;color:#12385a;font-weight:600;display:block}
.nav-list a.is-active,.nav-list a:hover{background:#f3f8ff;color:var(--accent)}
.nav-cta{background:var(--accent);color:#fff;padding:8px 10px;border-radius:6px;display:inline-block}
@media(min-width:980px){.nav-toggle{display:none}.nav-menu{position:static;max-height:none;box-shadow:none}.nav-list{flex-direction:row;gap:12px;align-items:center;padding:0}.nav-list a{padding:8px}}
.site-footer{background:var(--card,#fff);border-top:1px solid #eef2f7;color:#223;padding:22px 0;min-height:120px;box-sizing:border-box;font-family:Inter,system-ui,-apple-system,"Noto Sans","Noto Sans Devanagari",sans-serif}
.footer-inner{max-width:var(--max-width,1100px);margin:0 auto;padding:0 16px}
.footer-grid{display:grid;grid-template-columns:1fr 220px 160px;gap:18px;align-items:start}
@media (max-width:980px){.footer-grid{grid-template-columns:1fr;gap:12px}.footer-bottom{display:flex;flex-direction:column;gap:8px;align-items:flex-start;margin-top:12px}}
.brand{font-weight:700;color:var(--accent,#0b72ff);text-decoration:none;font-size:1.05rem;display:inline-block}
.tagline{margin:6px 0 0;color:var(--muted,#6b7280);font-size:.95rem}
.footer-heading{margin:0 0 8px;font-size:.95rem}
.footer-address{font-style:normal;color:var(--muted,#6b7280);font-size:.95rem;line-height:1.45}
.footer-address .addr-line{display:block}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.footer-links a{color:#12385a;text-decoration:none;font-weight:600;font-size:.95rem}
.footer-links a:hover{color:var(--accent,#0b72ff);text-decoration:underline}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:18px;border-top:1px solid #f1f5f9;padding-top:14px}
.footer-bottom .copyright{color:var(--muted,#6b7280);font-size:.95rem}
.social{display:flex;gap:10px;align-items:center}
.social a{color:inherit;display:inline-flex;width:28px;height:28px;align-items:center;justify-content:center;border-radius:6px;background:0 0;text-decoration:none}
.social svg{width:18px;height:18px;display:block;color:#12385a}
.social a:hover svg{transform:scale(1.05)}
@media (max-width:480px){.site-footer{padding:18px 0;min-height:150px}.footer-bottom{flex-direction:column;gap:8px;align-items:flex-start}}