.iher{--navy:#243b4a;--navy2:#1a2c38;--coral:#c45a49;--coral-d:#a8432f;--ink:#232838;--slate:#4a536b;--muted:#636c80;--line:#dfe4ec;--wash:#f3f6fa;--good:#2f7d5b;--bad:#b23b3b;--teal:#0f8b8d;
--sh:0 1px 2px rgba(36,59,74,.06),0 12px 30px rgba(36,59,74,.10);--sh2:0 2px 4px rgba(36,59,74,.08),0 28px 56px rgba(36,59,74,.18);
font-family:"Poppins",system-ui,sans-serif;color:var(--ink);font-size:16px;line-height:1.6;text-align:left;overflow-x:clip}
.iher *{box-sizing:border-box}
.iher section,.iher article,.iher nav{display:block!important;grid-template-columns:none!important;width:auto!important;max-width:none!important;margin:0!important;height:auto!important;gap:0!important;position:relative}
.iher section::before,.iher section::after{content:none!important;display:none!important}
.iher :is(p,li,h1,h2,h3,dd,dt,summary,td,th,label,legend){text-align:left}
.iher [hidden]{display:none!important}
.iher-in{max-width:1220px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
@media (min-width:1100px){.iher-in{padding-right:76px}}
.iher h1{font-family:inherit;font-size:clamp(28px,4vw,46px)!important;line-height:1.1!important;font-weight:700;color:#fff!important;margin:8px 0 10px!important;letter-spacing:-.02em;text-wrap:balance}
.iher h2{font-family:inherit;font-size:clamp(24px,2.8vw,36px)!important;line-height:1.18!important;font-weight:700;color:var(--navy);margin:0 0 14px!important;letter-spacing:-.015em;text-wrap:balance}
.iher h3{font-family:inherit;font-size:18px!important;line-height:1.3!important;font-weight:700;color:var(--navy);margin:0 0 8px!important}
.iher p{margin:0 0 12px}
.iher a{color:var(--coral-d)}
.iher :focus-visible{outline:3px solid var(--coral);outline-offset:2px}
.iher ul,.iher ol{margin:0;padding:0}
.iher-sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap} .iher .iher-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:46px;padding:10px 22px;border-radius:999px;background:var(--coral);color:#fff!important;font:600 15px/1.2 "Poppins",system-ui,sans-serif;border:1.5px solid var(--coral);cursor:pointer;text-decoration:none!important;transition:transform .15s,background .15s;width:auto}
.iher .iher-btn:hover{background:#b24d3d;transform:translateY(-1px)}
.iher .iher-btn--ghost{background:#fff;color:var(--navy)!important;border-color:var(--line)}
.iher .iher-btn--ghost:hover{background:var(--wash)}
.iher .iher-btn--sm{min-height:38px;padding:7px 14px;font-size:13.5px}
.iher .iher-linkbtn{background:none;border:0;padding:6px 4px;color:var(--coral-d);font:inherit;font-size:14px;text-decoration:underline;cursor:pointer}
.iher .iher-danger{color:var(--bad)} .iher-hero{background:var(--navy);background-image:radial-gradient(circle at 88% 10%,rgba(196,90,73,.35),transparent 42%),linear-gradient(180deg,var(--navy),var(--navy2));color:#fff;padding:22px 0 26px!important}
.iher-crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;font-size:13px;color:rgba(255,255,255,.72)}
.iher-crumbs li{margin:0}.iher-crumbs li+li::before{content:"/";margin-right:6px}
.iher-crumbs a{color:rgba(255,255,255,.85)!important;text-decoration:none}
.iher-lede{font-size:clamp(15px,1.4vw,17.5px);color:rgba(255,255,255,.88);max-width:72ch;margin:0!important} .iher-app{background:linear-gradient(180deg,#eef2f8,#f6f8fb);padding:24px 0 44px!important;scroll-margin-top:90px}
.iher-app-in{max-width:1220px;margin:0 auto;padding:0 max(16px,env(safe-area-inset-left,0px));display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:22px;align-items:start}
@media (min-width:1100px){.iher-app-in{padding-right:76px}}
.iher-card{background:#fff;border-radius:20px;box-shadow:var(--sh);padding:22px}
.iher-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;background:var(--wash);border-radius:14px;padding:5px;margin-bottom:10px}
.iher .iher-tabs button{all:unset;box-sizing:border-box;cursor:pointer;border-radius:10px;padding:9px 8px;text-align:center;color:var(--slate);display:flex;flex-direction:column;gap:1px}
.iher-tabs b{font-size:14.5px;font-weight:600}.iher-tabs span{font-size:11.5px;color:var(--muted)}
.iher .iher-tabs button[aria-selected=true]{background:#fff;color:var(--navy);box-shadow:0 1px 3px rgba(0,0,0,.08),inset 0 -3px 0 var(--coral)}
.iher .iher-tabs button:focus-visible{outline:3px solid var(--coral)}
.iher-formula{font-size:13px;color:var(--navy);background:#fdf3f1;border-radius:10px;padding:8px 12px;margin:0 0 12px!important;font-weight:500}
.iher-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:10px 0}
.iher-seg-row{justify-content:space-between}
.iher-seg{display:inline-flex;flex-wrap:wrap;background:var(--wash);border-radius:999px;padding:3px;gap:2px}
.iher .iher-seg label{display:flex;align-items:center;gap:6px;font-size:13.5px;font-weight:500;color:var(--slate);padding:6px 12px;border-radius:999px;cursor:pointer;margin:0}
.iher .iher-seg label:has(input:checked){background:#fff;color:var(--navy);box-shadow:0 1px 3px rgba(0,0,0,.08)}
.iher .iher-seg input{position:absolute!important;opacity:0!important;width:1px!important;height:1px!important}
.iher .iher-seg label:has(input:focus-visible){outline:3px solid var(--coral)}
.iher-seg--sm{margin-bottom:10px}
.iher-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;align-items:end}
.iher label{display:flex;flex-flow:row wrap;align-items:baseline;column-gap:6px;row-gap:4px;font-size:13.5px;font-weight:500;color:var(--slate);margin:0;float:none;width:auto;height:auto}
.iher label>input,.iher label>select,.iher label>textarea,.iher label>.iher-fe,.iher label>.iher-copyrow{flex:1 0 100%}
.iher .iher-hint,.iher .iher-opt{font-weight:400;color:var(--muted);font-size:12px}
.iher input:not([type=checkbox]):not([type=radio]),.iher select,.iher textarea{font:inherit;font-size:16px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--wash);color:var(--ink);width:100%;min-width:0;height:auto;margin:0}
.iher input:focus,.iher select:focus,.iher textarea:focus{border-color:var(--coral);background:#fff;outline:none;box-shadow:0 0 0 3px rgba(196,90,73,.18)}
.iher input[aria-invalid=true]{border-color:var(--bad)!important;background:#fff6f5}
.iher-fe{font-size:12.5px;color:var(--bad)}.iher-fe:empty{display:none}
.iher input[type=checkbox]{-webkit-appearance:auto!important;appearance:auto!important;position:static!important;opacity:1!important;display:inline-block!important;width:18px!important;height:18px!important;margin:0!important;accent-color:var(--coral);flex:0 0 18px}
.iher input[type=checkbox]::before,.iher input[type=checkbox]::after{content:none!important;display:none!important}
.iher .iher-check{flex-wrap:nowrap;align-items:flex-start;gap:10px;font-size:14px;color:var(--ink);cursor:pointer}
.iher-dim{opacity:.6}
.iher .iher-tip{all:unset;cursor:pointer;display:inline-grid;place-items:center;width:18px;height:18px;border-radius:50%;background:var(--line);color:var(--navy);font-size:11px;font-weight:700;position:relative;vertical-align:1px}
.iher .iher-tip:focus-visible{outline:2px solid var(--coral)}
.iher .iher-tip[aria-expanded=true]::after{content:attr(data-tip);position:absolute;left:50%;bottom:calc(100% + 8px);transform:translateX(-50%);width:230px;background:var(--navy);color:#fff;font-size:12.5px;font-weight:400;line-height:1.45;padding:9px 11px;border-radius:9px;z-index:20;box-shadow:var(--sh2);text-align:left}
.iher-include{border:1px solid var(--line)!important;border-radius:12px;padding:8px 12px!important;margin:12px 0 0!important;display:flex;flex-wrap:wrap;gap:6px 16px}
.iher-include legend{font-size:13px;font-weight:600;color:var(--navy);padding:0 4px}
.iher .iher-include label{flex-wrap:nowrap;align-items:center;gap:7px;font-size:14px;color:var(--ink)}
.iher-note{font-size:12.5px;color:var(--muted);margin:10px 0 0!important}
.iher-actions{margin-top:16px}
.iher-tablewrap{overflow-x:auto;margin:10px 0}
.iher-ptable{width:100%;border-collapse:collapse;min-width:420px}
.iher-ptable th,.iher-ptable td{padding:4px;font-size:12.5px;font-weight:600;color:var(--slate);vertical-align:middle;border:0}
.iher .iher-ptable input{padding:7px 8px;font-size:14.5px}
.iher .iher-ptable .iher-plabel{min-width:72px}
.iher .iher-x{all:unset;cursor:pointer;width:30px;height:30px;display:grid;place-items:center;border-radius:8px;color:var(--muted);font-size:18px}
.iher .iher-x:hover{background:var(--wash);color:var(--bad)}.iher .iher-x:focus-visible{outline:2px solid var(--coral)}
.iher-paste{margin:8px 0;display:grid;gap:8px}
.iher-banner{background:#eef7f3;color:var(--good);border-radius:10px;padding:8px 12px;font-size:13.5px;font-weight:500} .iher-results{position:sticky;top:100px;min-height:220px}
.iher-empty{text-align:center}.iher-empty p{text-align:center;color:var(--muted)}
.iher-lab{font-size:12px!important;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--coral-d);margin:0 0 4px!important}
.iher-big{font-size:clamp(44px,6vw,64px);font-weight:700;line-height:1;color:var(--navy);margin:2px 0 8px!important;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.iher-mid{font-size:28px;font-weight:700;color:var(--navy);margin:0 0 2px!important}
.iher-expr{font-size:12.5px;color:var(--muted);margin:0 0 12px!important}
.iher-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:8px;margin:0 0 12px}
.iher-stats div{background:var(--wash);border-radius:12px;padding:9px 12px}
.iher-stats dt{font-size:12px;color:var(--muted)}.iher-stats dd{margin:0;font-size:17px;font-weight:600;color:var(--navy);font-variant-numeric:tabular-nums}
.iher-ext{border:1px dashed var(--line);border-radius:12px;padding:10px 12px;margin-bottom:12px}
.iher-interp{font-size:14.5px;color:var(--ink);background:#f7f9fc;border-left:3px solid var(--teal);padding:8px 12px;border-radius:0 10px 10px 0}
.iher-bench{border-radius:14px;background:linear-gradient(160deg,#fff,#f4f7fb);border:1px solid var(--line);padding:12px 14px;margin:10px 0}
.iher-bench-main{font-size:15px;margin:2px 0 4px!important}
.iher-bench span{display:block;font-size:13px;color:var(--slate);margin-bottom:6px}
.iher-bench--none p{font-size:13.5px;color:var(--slate);margin:0!important}
.iher-src{font-size:11.5px!important;color:var(--muted);margin:0!important;line-height:1.45}
.iher-chart{margin:10px 0}.iher-chart svg{width:100%;height:120px;display:block;background:repeating-linear-gradient(0deg,#f4f6fa 0 1px,transparent 1px 25%);border-radius:8px}
.iher-bar{fill:#c9d3e0}.iher-bar-up{fill:var(--coral)}.iher-med{stroke:var(--navy);stroke-width:1.5;stroke-dasharray:4 3}
.iher-chart figcaption{font-size:12px;color:var(--muted);margin-top:4px}
.iher-table{width:100%;border-collapse:collapse;font-size:14.5px;background:#fff}
.iher-table caption{caption-side:top;text-align:left;font-weight:600;color:var(--navy);padding:10px 14px}
.iher-table th,.iher-table td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top;background:#fff}
.iher-table thead th{background:var(--navy);color:#fff;font-size:12.5px;text-transform:uppercase;letter-spacing:.05em}
.iher-table--sm th,.iher-table--sm td{padding:7px 10px;font-size:13.5px}
.iher-ractions{margin-top:14px}
.iher-small{font-size:12.5px!important;color:var(--muted)}
.iher-disclaimer{margin-top:8px!important}
.iher-nextcta{font-size:13.5px;border-top:1px solid var(--line);padding-top:10px;margin-top:10px!important}
.iher-err{color:var(--bad)!important;font-size:13.5px}
.iher-toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);background:var(--navy);color:#fff;padding:10px 18px;border-radius:999px;font-size:14px;opacity:0;pointer-events:none;transition:.25s;z-index:9999;margin:0!important}
.iher-toast.is-on{opacity:1;transform:translateX(-50%)} .iher-dialog{border:0;border-radius:18px;padding:0;max-width:540px;width:calc(100% - 32px);box-shadow:var(--sh2)}
.iher-dialog::backdrop{background:rgba(20,26,36,.55)}
.iher-dlg-in{padding:24px;position:relative;display:flex;flex-direction:column;gap:12px}
.iher-dlg-in h2{font-size:22px!important}
.iher-dlg-in p{font-size:14px;color:var(--slate)}
.iher-close{position:absolute;top:10px;right:14px;background:none;border:0;font-size:26px;cursor:pointer;color:var(--muted)}
.iher-saved{display:flex;flex-direction:column;gap:10px;border-top:1px solid var(--line);padding-top:12px}
.iher-copyrow{display:flex;gap:8px}.iher-copyrow input{flex:1}
.iher-ok{color:var(--good)!important;font-weight:600} .iher-toc{background:#fff;border-bottom:1px solid var(--line)}
.iher-toc .iher-in{display:flex;gap:4px;align-items:center;overflow-x:auto;padding-top:10px;padding-bottom:10px;scrollbar-width:none}
.iher-toc span{font-size:12px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-right:6px}
.iher-toc a{white-space:nowrap;font-size:14px;font-weight:500;color:var(--navy)!important;text-decoration:none!important;padding:6px 11px;border-radius:999px}
.iher-toc a:hover{background:var(--wash)}
.iher-guide section{scroll-margin-top:100px}
.iher-band{padding:64px 0!important;background:#fff}
.iher-tint{background:linear-gradient(180deg,#f4f7fb,#edf1f7)!important}
.iher-dark{background:var(--navy)!important;background-image:radial-gradient(circle at 90% 0%,rgba(196,90,73,.3),transparent 45%)!important;color:#fff}
.iher-dark h2{color:#fff!important}.iher-dark p{color:rgba(255,255,255,.86)}.iher-dark .iher-kicker{color:#f3a596}.iher-dark label{color:rgba(255,255,255,.9)}
.iher-dark .iher-small{color:rgba(255,255,255,.7)!important}
.iher-dark .iher-formcard p,.iher-dark .iher-formcard label{color:var(--ink)}
.iher-cta{background:linear-gradient(135deg,#fff,#fdf3f1)!important}
.iher-kicker{font-size:12.5px!important;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--coral-d);margin:0 0 8px!important}
.iher-answer{font-size:18px;color:var(--slate);max-width:62ch}
.iher-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;align-items:start}
.iher-narrow{max-width:900px}
.iher-qs{list-style:none;display:grid;gap:10px}
.iher-qs li{background:#fff;border-radius:14px;padding:14px 18px;box-shadow:var(--sh);border-left:4px solid var(--coral);margin:0}
.iher-qs b{display:block;color:var(--navy)}.iher-qs span{font-size:14px;color:var(--slate)}
.iher-cards{display:grid;gap:16px;margin-top:20px}
.iher-cards--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.iher-fcard,.iher-card2{background:#fff;border:1px solid rgba(36,59,74,.08);border-radius:18px;padding:22px;box-shadow:var(--sh)}
.iher-fcard p,.iher-card2 p{font-size:14.5px;color:var(--slate);margin-bottom:0}
.iher-eq{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13.5px!important;background:var(--wash);color:var(--navy)!important;border-radius:10px;padding:10px 12px;margin:6px 0 10px!important}
.iher a.iher-link{text-decoration:none;color:inherit;transition:transform .2s}.iher a.iher-link:hover{transform:translateY(-4px)}
.iher-steps{padding-left:20px!important;display:grid;gap:8px;color:var(--slate)}
.iher-steps li{margin:0}
.iher-ticks{list-style:none;display:grid;gap:8px}
.iher-ticks li{position:relative;padding-left:28px;margin:0;color:var(--slate)}
.iher-ticks li::before{content:"✓";position:absolute;left:0;top:2px;width:20px;height:20px;border-radius:50%;background:#e8f5ee;color:var(--good);font-size:12px;font-weight:700;display:grid;place-items:center}
.iher-faq{display:grid;gap:10px;margin-top:18px}
.iher-faq details{background:#fff;border-radius:14px;padding:2px 20px;box-shadow:var(--sh)}
.iher-faq summary{list-style:none;cursor:pointer;padding:15px 30px 15px 0;font-size:16.5px;font-weight:600;color:var(--navy);position:relative}
.iher-faq summary::-webkit-details-marker{display:none}
.iher-faq summary::after{content:"+";position:absolute;right:0;top:10px;font-size:24px;color:var(--coral)}
.iher-faq details[open] summary::after{content:"−"}
.iher-faq details p{color:var(--slate)}
.iher-hindi{margin-top:24px;background:#fff;border-radius:14px;padding:18px 20px;border:1px dashed var(--line)}
.iher-formcard{background:#fff;color:var(--ink);border-radius:18px;padding:22px;box-shadow:var(--sh2)}
.iher-brief{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:16px}
.iher-brief .iher-small{grid-column:1/-1}
.iher-dark .iher-brief input,.iher-dark .iher-brief select{background:rgba(255,255,255,.95)}
.iher-method{padding-left:20px!important;display:grid;gap:6px;color:var(--slate);font-size:14.5px}
.iher-method li{margin:0} @media (max-width:980px){.iher-app-in{grid-template-columns:minmax(0,1fr)}.iher-results{position:static}.iher-cards--3{grid-template-columns:minmax(0,1fr)}.iher-split{grid-template-columns:minmax(0,1fr);gap:28px}.iher-band{padding:48px 0!important}}
@media (max-width:520px){.iher-card{padding:16px}.iher-grid{gap:10px}.iher-tabs b{font-size:13px}.iher-tabs span{display:none}.iher-brief{grid-template-columns:minmax(0,1fr)}.iher .iher-tip[aria-expanded=true]::after{left:auto;right:-10px;transform:none}}
@media (prefers-reduced-motion:reduce){.iher *{transition:none!important}}