/* Stage U1: canonical public-shell design tokens and components. */
:root {
  --kp-color-ink:#123f3b;--kp-color-ink-strong:#082d2a;--kp-color-paper:#fffdf8;--kp-color-surface:#fff9ee;
  --kp-color-accent:#d85e32;--kp-color-highlight:#f3c94e;--kp-color-link:#075f65;--kp-color-muted:#625f56;
  --kp-color-line:#d8cfbf;--kp-color-success:#237a51;--kp-color-warning:#8a4b0f;--kp-color-focus:#d85e32;
  --kp-space-1:.25rem;--kp-space-2:.5rem;--kp-space-3:.75rem;--kp-space-4:1rem;--kp-space-5:1.5rem;
  --kp-space-6:2rem;--kp-space-7:3rem;--kp-space-8:4.5rem;--kp-radius-sm:.25rem;--kp-radius-md:.625rem;
  --kp-radius-lg:1rem;--kp-border:1px solid var(--kp-color-line);--kp-shadow-sm:0 4px 14px rgba(24,50,44,.09);
  --kp-shadow-lg:0 20px 54px rgba(24,50,44,.14);--kp-font-sans:"Noto Sans Tamil","Nirmala UI",system-ui,-apple-system,"Segoe UI",sans-serif;
  --kp-font-serif:Georgia,"Noto Serif Tamil",serif;--kp-text-sm:.8125rem;--kp-text-base:1rem;--kp-text-lg:1.25rem;
  --kp-width-hub:75rem;--kp-width-article:48rem;--kp-width-tool:64rem;--kp-width-listing:80rem;--kp-header-height:4.5rem;
  /* Breakpoints: compact 40rem, navigation 64rem, wide 80rem. */
}
html{scroll-padding-top:calc(var(--kp-header-height) + var(--kp-space-4))}body{font-family:var(--kp-font-sans);color:var(--kp-color-ink);background:var(--kp-color-paper);overflow-x:clip}main{min-width:0}.kp-main-anchor{display:block;position:relative;top:calc(-1 * var(--kp-space-4));visibility:hidden}
.kp-container{width:min(calc(100% - 2rem),var(--kp-width-hub));margin-inline:auto}.kp-skip{position:fixed;z-index:1000;top:.5rem;left:.5rem;padding:.75rem 1rem;background:#fff;color:var(--kp-color-ink-strong);border:3px solid var(--kp-color-focus);border-radius:var(--kp-radius-sm);transform:translateY(-150%)}.kp-skip:focus{transform:none}
.kp-context{min-height:2rem;background:var(--kp-color-ink-strong);color:#fff;font-size:var(--kp-text-sm)}.kp-context>.kp-container{min-height:2rem;display:flex;align-items:center;justify-content:space-between;gap:var(--kp-space-4)}.kp-context nav{display:flex;gap:var(--kp-space-4)}.kp-context a{color:#fff;text-decoration-thickness:.08em;text-underline-offset:.18em}
.kp-header-search{display:flex;align-items:center}.kp-header-search input{width:7rem;min-height:1.6rem;padding:.2rem .4rem;border:1px solid #7f9994;border-radius:.25rem 0 0 .25rem;font-size:.75rem}.kp-header-search button{min-height:1.6rem;border:0;padding:.15rem .45rem;background:var(--kp-color-highlight);color:var(--kp-color-ink);border-radius:0 .25rem .25rem 0;font-weight:900}
.kp-header{position:relative;z-index:20;min-height:var(--kp-header-height);background:#fff;border-bottom:var(--kp-border)}.kp-header__inner{box-sizing:border-box;width:min(calc(100% - 2rem),var(--kp-width-listing));min-height:var(--kp-header-height);margin-inline:auto;display:flex;align-items:center;justify-content:space-between;gap:var(--kp-space-5)}
.kp-brand{display:inline-flex;align-items:center;color:var(--kp-color-ink);text-decoration:none;min-width:0}.kp-brand__logo{display:block;width:clamp(11.5rem,18vw,14.5rem);max-width:100%;height:auto;aspect-ratio:3/1;object-fit:contain}.kp-brand__compact{display:none;width:3.25rem;height:3.25rem;object-fit:contain}
.kp-desktop-nav ul,.kp-mobile-nav ul{list-style:none;margin:0;padding:0}.kp-desktop-nav ul{display:flex;align-items:stretch;gap:.15rem}.kp-desktop-nav a{display:flex;align-items:center;min-height:2.75rem;padding:.45rem .65rem;border-radius:var(--kp-radius-sm);color:var(--kp-color-ink);font-size:.86rem;font-weight:700;text-decoration:none}.kp-desktop-nav a:hover{background:var(--kp-color-surface)}.kp-desktop-nav a[aria-current=page]{color:var(--kp-color-accent);background:#fff3e8;box-shadow:inset 0 -3px var(--kp-color-accent)}
.kp-mobile-nav{display:none;position:relative}.kp-mobile-nav summary{cursor:pointer;min-height:2.75rem;padding:.65rem .8rem;border:var(--kp-border);border-radius:var(--kp-radius-sm);font-weight:800;list-style:none}.kp-mobile-nav summary::-webkit-details-marker{display:none}.kp-mobile-nav summary::after{content:" +"}.kp-mobile-nav[open] summary::after{content:" −"}.kp-mobile-nav>nav{position:absolute;right:0;top:calc(100% + .5rem);width:min(22rem,calc(100vw - 2rem));padding:var(--kp-space-3);background:#fff;border:var(--kp-border);border-radius:var(--kp-radius-md);box-shadow:var(--kp-shadow-lg)}.kp-mobile-nav a{display:block;padding:.8rem;border-radius:var(--kp-radius-sm);color:var(--kp-color-ink);font-weight:700;text-decoration:none}.kp-mobile-nav a[aria-current=page]{background:#fff3e8;color:var(--kp-color-accent)}.kp-mobile-tools{border-top:var(--kp-border);margin-top:.4rem;padding-top:.4rem}
.kp-breadcrumbs{padding-block:var(--kp-space-4);font-size:var(--kp-text-sm)}.kp-breadcrumbs ol{display:flex;align-items:center;gap:.5rem;list-style:none;margin:0;padding:0}.kp-breadcrumbs li+li::before{content:"/";margin-right:.5rem;color:var(--kp-color-muted)}.kp-breadcrumbs li[aria-current=page]{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--kp-color-muted)}
.kp-answer,.kp-warning,.kp-sources,.kp-related{margin-block:var(--kp-space-5);padding:var(--kp-space-5);border-radius:var(--kp-radius-md)}.kp-answer{background:#eef8f4;border-left:4px solid var(--kp-color-success)}.kp-warning{background:#fff5db;border-left:4px solid var(--kp-color-warning)}.kp-evidence{display:flex;align-items:center;gap:.5rem;color:var(--kp-color-muted);font-size:var(--kp-text-sm)}.kp-evidence>span{width:.6rem;height:.6rem;border-radius:50%;background:var(--kp-color-success)}.kp-sources,.kp-related{border:var(--kp-border);background:#fff}.kp-official::after{content:"↗";margin-left:.3em}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.kp-footer{margin-top:var(--kp-space-8);background:var(--kp-color-ink-strong);color:#fff}.kp-footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:var(--kp-space-7);padding-block:var(--kp-space-7)}.kp-footer__grid>*{min-width:0}.kp-brand--footer{color:#fff}.kp-brand--footer .kp-brand__logo{width:min(100%,19rem)}.kp-footer p{max-width:34rem;color:#d6e4e1;line-height:1.7}.kp-footer h2{font:800 var(--kp-text-sm)/1.3 var(--kp-font-sans);color:#ffe49a;text-transform:uppercase;letter-spacing:.04em}.kp-footer ul{list-style:none;padding:0;margin:0}.kp-footer li+li{margin-top:.55rem}.kp-footer a{color:#fff}.kp-footer__base{display:flex;justify-content:space-between;gap:var(--kp-space-4);padding-block:var(--kp-space-4);border-top:1px solid #355b56;color:#c8d7d4;font-size:var(--kp-text-sm)}
.hub,.hub-layout{max-width:var(--kp-width-hub)}article,.article-body,.article-layout{max-width:var(--kp-width-article)}.tool-layout,.checklist-tool,.calculator-shell{max-width:var(--kp-width-tool)}.listing-layout,.catalogue-shell{max-width:var(--kp-width-listing)}
:where(a,button,input,select,textarea,summary):focus-visible{outline:3px solid var(--kp-color-focus)!important;outline-offset:3px!important}img{max-width:100%;height:auto}img:not([width]):not([height]){aspect-ratio:16/9;object-fit:cover;background:var(--kp-color-surface)}
@media(max-width:64rem){.kp-header__inner{position:relative;display:block;padding-right:5.5rem}.kp-brand{min-width:0}.kp-desktop-nav{display:none}.kp-mobile-nav{display:block!important;visibility:visible;position:absolute;right:0;top:50%;transform:translateY(-50%);color:var(--kp-color-ink)}.kp-mobile-nav summary{display:block;background:#fff}.kp-context nav a:first-child,.kp-context nav a:last-child{display:none}.kp-footer__grid{grid-template-columns:1fr 1fr}.kp-footer__grid>div:first-child{grid-column:1/-1}}
@media(max-width:40rem){.kp-container,.kp-header__inner{width:min(calc(100% - 1.25rem),var(--kp-width-hub))}.kp-context>.kp-container{justify-content:flex-end}.kp-context>.kp-container>span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.kp-header-search{display:none}.kp-header .kp-brand__logo{display:block;width:3.25rem;height:3.25rem;aspect-ratio:1;object-fit:contain}.kp-header .kp-brand__compact{display:block}.kp-brand--footer .kp-brand__logo{width:min(100%,16rem);height:auto;aspect-ratio:3/1}.kp-footer__grid{grid-template-columns:1fr}.kp-footer__grid>div:first-child{grid-column:auto}.kp-footer__base{flex-direction:column}.kp-breadcrumbs li[aria-current=page]{max-width:70vw}:where(h1,h2,h3,p,li){overflow-wrap:anywhere}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}
@media print{.kp-context,.kp-header,.kp-footer,.kp-skip{display:none}.kp-breadcrumbs{padding-inline:0}}
.official-links ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem;margin:1.1rem 0;padding:0;list-style:none}.official-links li{margin:0}.official-links .official-service-button{display:flex;min-height:6.75rem;flex-direction:column;justify-content:space-between;gap:.85rem;padding:1rem 1.1rem;border:1px solid #b9cbc4;border-radius:.75rem;background:#fff;color:#153f38;text-decoration:none;box-shadow:0 .45rem 1.25rem rgba(18,63,56,.06);transition:transform .18s,box-shadow .18s,border-color .18s}.official-service-button>span:first-child{font-weight:800;line-height:1.4}.official-service-button strong{display:flex;align-items:center;justify-content:space-between;gap:.6rem;padding:.65rem .75rem;border-radius:.5rem;background:#0c5d54;color:#fff;font-size:.84rem}.official-service-button:hover,.official-service-button:focus-visible{transform:translateY(-2px);border-color:#0c5d54;box-shadow:0 .75rem 1.75rem rgba(18,63,56,.14)}.official-service-button:focus-visible{outline:3px solid #ffc94a;outline-offset:3px}.u4-official nav a{display:flex;min-height:8.5rem;flex-direction:column}.u4-official nav a b{margin-top:auto;padding-top:1rem;color:#ffcf58;font-size:.8rem}@media(max-width:35rem){.official-links ul{grid-template-columns:1fr}}

/* Site-wide interaction polish for links that behave as cards or controls. */
:where(.search-shortcuts,.search-directory,.calculator-nav,.nearby-links,.listing-education,.listing-routes,.locality-listing-grid,.side-nav) a,
:where(.verify-card,.card-image,.u5-card h3 a,.u5-open,.u6-next a){text-decoration:none}
:where(.search-directory,.calculator-nav,.nearby-links,.listing-education,.listing-routes,.locality-listing-grid,.side-nav) a{transition:background-color .18s,border-color .18s,color .18s,transform .18s,box-shadow .18s}
:where(.search-directory,.calculator-nav,.nearby-links,.listing-education,.listing-routes,.locality-listing-grid) a:hover{border-color:#6f9e94;background:#f0f7f4;box-shadow:0 .35rem 1rem rgba(18,63,56,.08);transform:translateY(-1px)}
button,[type="submit"],[type="button"],summary{touch-action:manipulation}
.official-links .official-service-button{min-height:5.6rem;padding:.85rem 1rem}
.official-service-button strong{padding:.55rem .7rem}
@media(max-width:40rem){.kp-footer__grid{gap:1.5rem;padding-block:2rem}.kp-footer p{margin-bottom:0}.kp-footer__base{padding-block:.85rem}.official-links .official-service-button{min-height:0}}

/* Stage 13 verification topic template */
:root{--vc-green:#123f3b;--vc-teal:#0b5a51;--vc-mint:#edf6f1;--vc-cream:#fffaf0;--vc-coral:#b64b2d;--vc-yellow:#ffcf58;--vc-line:#c8d8d2;--vc-copy:#536a65}.vc-hero{padding:clamp(2.7rem,7vw,5.5rem) 0;background:linear-gradient(135deg,#f8f3e8,#e9f5ef)}.vc-hero__grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(18rem,.8fr);gap:clamp(2rem,6vw,5rem);align-items:center}.vc-eyebrow{margin:0 0 .55rem;color:var(--vc-coral);font-size:.72rem;font-weight:900;letter-spacing:.11em}.vc-hero h1{max-width:14ch;margin:0 0 1rem;color:var(--vc-green);font-size:clamp(2.35rem,5vw,4.7rem);line-height:.98;letter-spacing:-.04em}.vc-lead{max-width:52rem;color:var(--vc-copy);font-size:clamp(1rem,1.7vw,1.2rem);line-height:1.7}.vc-actions{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.2rem}.vc-actions a{padding:.75rem .95rem;border:1px solid #87a69e;border-radius:.5rem;background:#fff;color:var(--vc-green);font-weight:900;text-decoration:none}.vc-actions a:first-child{border-color:var(--vc-teal);background:var(--vc-teal);color:#fff}.vc-start{padding:1.4rem;border-radius:1rem;background:var(--vc-green);color:#fff;box-shadow:1.1rem 1.1rem 0 #d8e8e1}.vc-start span{display:block;color:var(--vc-yellow);font-size:.72rem;font-weight:900;letter-spacing:.08em}.vc-start strong{display:block;margin:.7rem 0;font-size:1.4rem;line-height:1.25}.vc-start p{margin:0;color:#d8e8e4;line-height:1.6}.vc-jump{display:flex;flex-wrap:wrap;gap:.5rem;padding-block:1rem}.vc-jump a{padding:.55rem .7rem;border:1px solid var(--vc-line);border-radius:.45rem;background:#fff;color:var(--vc-teal);font-size:.78rem;font-weight:850;text-decoration:none}.vc-section{padding:clamp(2.7rem,6vw,5rem) 0}.vc-section--mint{background:var(--vc-mint)}.vc-heading{display:grid;grid-template-columns:minmax(0,1fr) minmax(16rem,.75fr);gap:.5rem 2rem;align-items:end;margin-bottom:1.3rem}.vc-heading .vc-eyebrow{grid-column:1/-1}.vc-heading h2{margin:0;color:var(--vc-green);font-size:clamp(1.8rem,3vw,2.7rem)}.vc-heading>p{margin:0;color:var(--vc-copy);line-height:1.65}.vc-steps{display:grid;gap:.75rem;margin:0;padding:0;counter-reset:item}.vc-steps li{display:grid;grid-template-columns:3rem minmax(0,1fr);gap:.25rem 1rem;padding:1.1rem;border:1px solid var(--vc-line);border-radius:.75rem;background:#fff;list-style:none}.vc-steps li:before{content:counter(item,decimal-leading-zero);counter-increment:item;grid-row:1/3;display:grid;place-items:center;width:2.5rem;height:2.5rem;border-radius:50%;background:var(--vc-yellow);color:var(--vc-green);font-weight:950}.vc-steps strong{color:var(--vc-green)}.vc-steps p{margin:.25rem 0 0;color:var(--vc-copy);line-height:1.55}.vc-record-grid,.vc-related-grid,.vc-source-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.8rem}.vc-record-grid article,.vc-related-grid a,.vc-source-grid a{padding:1.05rem;border:1px solid var(--vc-line);border-radius:.7rem;background:#fff}.vc-record-grid strong,.vc-related-grid strong,.vc-source-grid strong{display:block;color:var(--vc-green)}.vc-record-grid p,.vc-related-grid span,.vc-source-grid span{display:block;margin:.45rem 0 0;color:var(--vc-copy);font-size:.86rem;line-height:1.55}.vc-related-grid a,.vc-source-grid a{display:flex;min-height:8rem;flex-direction:column;text-decoration:none}.vc-related-grid b,.vc-source-grid b{margin-top:auto;padding-top:.7rem;color:var(--vc-teal);font-size:.78rem}.vc-alert{padding:clamp(1.25rem,3vw,2rem);border-left:5px solid #d85e32;border-radius:.7rem;background:#fff4dc}.vc-alert h2{margin-top:0;color:var(--vc-green)}.vc-alert ul{display:grid;grid-template-columns:1fr 1fr;gap:.55rem 1.5rem;margin:0;padding-left:1.2rem}.vc-alert p{margin:1rem 0 0;line-height:1.65}.vc-faq details{border-top:1px solid var(--vc-line);padding:1rem 0}.vc-faq details:last-child{border-bottom:1px solid var(--vc-line)}.vc-faq summary{color:var(--vc-green);font-weight:850;cursor:pointer}.vc-faq p{margin:.75rem 0 0;color:var(--vc-copy);line-height:1.65}.vc-reviewed{display:flex;justify-content:space-between;gap:1rem;margin-top:1.25rem;padding:1rem;border-left:4px solid #d85e32;background:#fff4dc}.vc-reviewed span{color:var(--vc-copy);font-size:.86rem}/* Stage 13 verification cluster links */
.vcluster-panel{padding:clamp(2.5rem,6vw,5rem) 0;background:#edf6f1;color:#123f3b}.vcluster-heading{display:grid;grid-template-columns:minmax(0,1fr) minmax(16rem,.7fr);gap:.45rem 2rem;align-items:end;margin-bottom:1.25rem}.vcluster-heading p{grid-column:1/-1;margin:0;color:#b64b2d;font-size:.72rem;font-weight:900;letter-spacing:.1em}.vcluster-heading h2{margin:0;font-size:clamp(1.8rem,3vw,2.7rem)}.vcluster-heading span{color:#536a65;line-height:1.6}.vcluster-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:.7rem}.vcluster-grid a{display:flex;min-height:8.5rem;flex-direction:column;padding:1rem;border:1px solid #c7d8d2;border-radius:.7rem;background:#fff;color:#123f3b;text-decoration:none}.vcluster-grid span{margin-top:.45rem;color:#586d68;font-size:.8rem;line-height:1.5}.vcluster-actions{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1rem}.vcluster-actions a{padding:.7rem .85rem;border-radius:.45rem;background:#0b5a51;color:#fff;font-weight:850;text-decoration:none}@media(max-width:1000px){.vcluster-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:700px){.vcluster-heading{grid-template-columns:1fr}.vcluster-grid{grid-template-columns:1fr 1fr}}@media(max-width:460px){.vcluster-grid{grid-template-columns:1fr}.vcluster-actions a{width:100%;text-align:center}}
@media(max-width:900px){.vc-hero__grid,.vc-heading{grid-template-columns:1fr}.vc-record-grid,.vc-related-grid,.vc-source-grid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.vc-record-grid,.vc-related-grid,.vc-source-grid,.vc-alert ul{grid-template-columns:1fr}.vc-reviewed{flex-direction:column}}
html,body{max-width:100%;overflow-x:clip}@media(max-width:600px){.vc-start{box-shadow:.45rem .45rem 0 #d8e8e1}.vc-hero__grid>*{min-width:0}.vc-jump{overflow-wrap:anywhere}}

/* Stage 18 breadcrumb hierarchy */
.kp-breadcrumbs ol{flex-wrap:wrap}.kp-breadcrumbs li{min-width:0}.kp-breadcrumbs li[aria-current=page]{max-width:min(100%,42rem)}
@media(max-width:40rem){.kp-breadcrumbs ol{gap:.3rem}.kp-breadcrumbs li[aria-current=page]{max-width:100%;white-space:normal}}