:root{--bg:#fff9ea;--card:#fff;--ink:#293142;--mute:#596378;--line:#eceff4;--brand:#318616;--brand2:#3fa31f;--blue:#2b6be4;--wash:#ebffef;--shadow:0 2px 14px rgba(41,49,66,.07)}
@media (prefers-color-scheme:dark){:root{--bg:#141821;--card:#1d2330;--ink:#eef1f7;--mute:#a9b2c3;--line:#2a3142;--wash:#16301d;--shadow:0 2px 14px rgba(0,0,0,.35)}}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{font:16px/1.7 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans Devanagari",sans-serif;margin:0;background:var(--bg);color:var(--ink);-webkit-text-size-adjust:100%}
a{color:var(--blue)}

/* header */
.hero{background:linear-gradient(160deg,#fff4d1 0%,#ffe9a0 55%,#ffd36b 100%);position:relative;overflow:hidden;padding:26px 16px 70px}
.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;pointer-events:none}
.hero:before{width:260px;height:260px;right:-90px;top:-100px;background:rgba(255,159,67,.28)}
.hero:after{width:200px;height:200px;left:-80px;bottom:-110px;background:rgba(255,255,255,.55)}
.hero .wrap{max-width:760px;margin:0 auto;position:relative;z-index:1}
.logo{height:64px;width:auto;display:block;margin-bottom:14px}
h1{font-size:30px;line-height:1.2;margin:0 0 6px;font-weight:800;color:#293142;letter-spacing:-.3px}
h1 small{display:block;font-size:19px;font-weight:600;color:#596378;margin-top:2px;letter-spacing:0}
.sub{color:#596378;margin:8px 0 0;font-size:14px}
.chip{display:inline-block;background:rgba(255,255,255,.75);border-radius:50px;padding:4px 12px;font-size:13px;font-weight:600;color:#414a5d;margin:2px 6px 2px 0}

/* tabs */
.tabs{position:sticky;top:0;z-index:5;display:flex;gap:8px;max-width:760px;margin:-44px auto 0;padding:0 16px}
.tabs a{flex:1;text-align:center;text-decoration:none;font-weight:700;font-size:15px;padding:12px 8px;border-radius:14px;background:var(--card);color:var(--mute);box-shadow:var(--shadow)}
.tabs a.on{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}

main{max-width:760px;margin:0 auto;padding:18px 16px 40px}

/* jump chips */
.toc{display:flex;gap:8px;overflow-x:auto;padding:4px 0 10px;margin:0 -16px;padding-left:16px;padding-right:16px;scrollbar-width:none}
.toc::-webkit-scrollbar{display:none}
.toc a{white-space:nowrap;text-decoration:none;font-size:13px;font-weight:600;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:50px;padding:6px 13px}

/* sections */
.card{background:var(--card);border-radius:20px;padding:6px 20px 20px;box-shadow:var(--shadow);margin:16px 0;border:1px solid var(--line)}
h2{font-size:19px;line-height:1.35;margin:18px 0 8px;display:flex;align-items:center;gap:12px;font-weight:800}
h2 .n{flex:none;width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#ff8a3d,#ffb23e);color:#fff;font-size:15px;font-weight:800;display:inline-flex;align-items:center;justify-content:center}
p{margin:8px 0}ul{padding-left:0;list-style:none;margin:8px 0}
li{position:relative;padding-left:26px;margin:9px 0}
li:before{content:"";position:absolute;left:4px;top:.68em;width:9px;height:9px;border-radius:50%;background:var(--brand)}
b{font-weight:700}
.card.hi{background:var(--wash);border-color:transparent}
.card.contact{background:linear-gradient(150deg,#e9f9ec,#fff4d1);border-color:transparent}
.card.contact a{font-weight:700}
@media (prefers-color-scheme:dark){.card.contact{background:linear-gradient(150deg,#16301d,#2b2a14)}}

footer{max-width:760px;margin:0 auto;padding:6px 16px 40px;text-align:center;color:var(--mute);font-size:13px}
footer b{color:var(--ink)}
@media (min-width:640px){h1{font-size:36px}.hero{padding:34px 16px 80px}}