:root{
  --canvas:#F5F1EC; --surface-1:#FFFFFF; --surface-2:#EDE7DE;
  --hairline:#D3CEC6; --hairline-soft:#E3DFD8;
  --ink:#111111; --ink-muted:#626260; --ink-subtle:#7B7B78; --ink-tertiary:#9C9FA5;
  --inverse-canvas:#0A0A0A; --inverse-surface-1:#1C1C1A; --inverse-ink:#FFFFFF; --inverse-ink-muted:#B8B5AE;
  --accent:#FF5B1F; --accent-ink:#FFFFFF; --accent-tint:#FFEDE3;
  --saffron:#FF7A1A; --offwhite:#F5F1EA;
  --navy:#0B1E3D; --navy-2:#122a52; --navy-line:#1f3a63;
  --success:#2E7D4F; --success-tint:#E7F3EC; --danger:#C6432B; --danger-tint:#FBEAE6;
  --radius-xs:4px; --radius-sm:6px; --radius-md:8px; --radius-lg:12px; --radius-xl:16px; --radius-xxl:24px; --radius-pill:9999px;
  --font-sans:'Inter',ui-sans-serif,system-ui,sans-serif; --font-mono:'JetBrains Mono',ui-monospace,monospace;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{background:var(--canvas); color:var(--ink); font-family:var(--font-sans); line-height:1.5; min-height:100vh; -webkit-font-smoothing:antialiased;}
.wrap{max-width:1280px; margin:0 auto; padding:0 32px;}
.wrap-narrow{max-width:820px; margin:0 auto; padding:0 32px;}
a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
.mono{font-family:var(--font-mono);}

/* header / nav — navy ribbon */
header{position:sticky; top:0; z-index:20; background:var(--navy); border-bottom:1px solid var(--navy-line);}
.nav{display:flex; align-items:center; justify-content:space-between; padding:16px 0; gap:16px; flex-wrap:nowrap;}
.logo-text{font-size:20px; font-weight:800; letter-spacing:-0.4px; color:#fff; white-space:nowrap;}
.logo-text .y-hi{color:var(--accent);}
.navlinks{display:flex; gap:22px; font-size:14px; font-weight:500; color:#D7DEEC; flex-wrap:nowrap; overflow-x:auto; -webkit-overflow-scrolling:touch; scrollbar-width:none; max-width:100%;}
.navlinks::-webkit-scrollbar{display:none;}
.navlinks a{white-space:nowrap; flex-shrink:0;}
.navlinks a:hover{color:#fff;}
.navlinks a.new-tag{color:var(--accent); font-weight:700;}

/* buttons */
.btn{display:inline-flex; align-items:center; justify-content:center; gap:8px; font-size:15px; font-weight:500; padding:10px 18px; border-radius:var(--radius-md); cursor:pointer; border:none; white-space:nowrap;}
.btn-primary{background:var(--ink); color:#fff;}
.btn-primary:hover{background:#2a2a2a;}
.btn-secondary{background:var(--surface-1); color:var(--ink); border:1px solid var(--hairline);}
.btn-secondary:hover{border-color:var(--ink-tertiary);}
.btn-tertiary{background:transparent; color:var(--ink); border:none;}
.btn-accent{background:var(--accent); color:#fff;}
.btn-sm{font-size:13px; padding:8px 14px;}

/* breadcrumb — hidden per requirement, markup kept for structure/SEO */
.breadcrumb{display:none;}

/* hero / typography scale */
.eyebrow{font-size:14px; font-weight:600; color:var(--accent); margin-bottom:16px; display:inline-block; letter-spacing:0.01em;}
.tool-hero{padding:56px 0 32px; text-align:center;}
h1{font-weight:700; letter-spacing:-1px; line-height:1.12; font-size:42px; max-width:720px; margin:0 auto 16px;}
h1.display-xl{font-size:66px; letter-spacing:-2px; line-height:1.06; font-weight:800;}
.sub{font-size:18px; font-weight:400; color:var(--ink-muted); max-width:580px; margin:0 auto 32px; line-height:1.5;}

/* search box */
.tool-box{max-width:600px; margin:0 auto 12px; display:flex; background:var(--surface-1); border:1px solid var(--hairline); border-radius:var(--radius-md); padding:5px;}
.tool-input{flex:1; background:transparent; border:none; outline:none; padding:13px 16px; font-size:15px; color:var(--ink); font-family:var(--font-sans);}
.tool-btn{background:var(--ink); color:#fff; border:none; border-radius:var(--radius-sm); padding:0 22px; font-weight:500; font-size:14px; cursor:pointer;}
.tool-btn:hover{background:#2a2a2a;}
.tool-detect{text-align:center; font-size:13px; color:var(--ink-subtle); margin-bottom:40px;}
.tool-detect b{color:var(--ink); font-weight:500;}
.error-msg{color:var(--danger); background:var(--danger-tint); border-radius:var(--radius-md); padding:12px 16px; font-size:13px; text-align:center; margin:0 0 28px; display:none; max-width:600px; margin-left:auto; margin-right:auto;}

/* multi-match picker */
.match-list{max-width:600px; margin:0 auto 28px; background:var(--surface-1); border:1px solid var(--hairline); border-radius:var(--radius-lg); overflow:hidden; display:none;}
.match-list.show{display:block;}
.match-item{padding:14px 18px; border-bottom:1px solid var(--hairline-soft); cursor:pointer; display:flex; justify-content:space-between; align-items:center; font-size:14px;}
.match-item:last-child{border-bottom:none;}
.match-item:hover{background:var(--surface-2);}
.match-item .m-name{font-weight:500;}
.match-item .m-meta{color:var(--ink-subtle); font-size:12.5px;}

/* result card = product-mockup-card analog */
.result-card{background:var(--surface-1); border:1px solid var(--hairline); border-radius:var(--radius-xl); padding:28px 32px; margin-bottom:20px; display:none;}
.result-card.show{display:block;}
.result-head{display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:6px; gap:12px; flex-wrap:wrap;}
.result-title{font-size:24px; font-weight:500; letter-spacing:-0.4px; font-family:var(--font-mono);}
.result-badge{font-size:12px; padding:5px 12px; border-radius:var(--radius-pill); background:var(--success-tint); color:var(--success); font-weight:500; white-space:nowrap;}
.result-badge.warn{background:var(--danger-tint); color:var(--danger);}
.result-badge.accent{background:var(--accent-tint); color:var(--accent);}

.section-label{font-size:12px; font-weight:500; text-transform:uppercase; letter-spacing:0.04em; color:var(--ink-tertiary); margin:24px 0 10px;}
.section-label:first-child{margin-top:18px;}

.result-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:0; border-top:1px solid var(--hairline-soft);}
.result-row{padding:13px 0; border-bottom:1px solid var(--hairline-soft); font-size:14px;}
.result-row .k{color:var(--ink-subtle); font-size:12px; margin-bottom:3px;}
.result-row .v{color:var(--ink); font-weight:500;}

.office-card{background:var(--surface-2); border-radius:var(--radius-md); padding:14px 16px; margin-bottom:8px;}
.office-card .o-name{font-weight:500; font-size:14px; margin-bottom:4px;}
.office-card .o-meta{font-size:12.5px; color:var(--ink-subtle); display:flex; gap:10px; flex-wrap:wrap;}
.office-type-badge{font-size:11px; padding:2px 8px; border-radius:var(--radius-pill); background:var(--surface-1); border:1px solid var(--hairline); color:var(--ink-muted); font-weight:500;}

.related-links{display:flex; flex-wrap:wrap; gap:8px; margin-top:6px;}
.related-chip{font-size:12.5px; padding:7px 13px; background:var(--surface-2); border-radius:var(--radius-pill); color:var(--ink-muted); border:1px solid transparent;}
.related-chip:hover{border-color:var(--hairline); color:var(--ink);}

.result-actions{display:flex; gap:10px; margin-top:22px; flex-wrap:wrap;}
.act-btn{font-size:12.5px; padding:8px 14px; border:1px solid var(--hairline); border-radius:var(--radius-sm); color:var(--ink-muted); background:var(--surface-1); cursor:pointer; display:inline-flex; align-items:center; gap:6px;}
.act-btn:hover{border-color:var(--ink-tertiary); color:var(--ink);}
.trust-line{font-size:12px; color:var(--ink-subtle); margin-top:20px; padding-top:16px; border-top:1px solid var(--hairline-soft); display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px;}
.map-embed{width:100%; height:220px; border:0; border-radius:var(--radius-md); margin-top:16px;}

/* breakdown diagram (GST/PAN) */
.breakdown-strip{display:flex; flex-wrap:wrap; gap:4px; margin:18px 0; font-family:var(--font-mono);}
.b-char{background:var(--surface-2); border-radius:var(--radius-sm); padding:10px 6px; text-align:center; min-width:34px; flex:1;}
.b-char .b-glyph{font-size:18px; font-weight:500; color:var(--ink);}
.b-char .b-label{font-size:9.5px; color:var(--ink-subtle); margin-top:4px; line-height:1.2;}
.b-char.b-accent{background:var(--accent-tint);}
.b-char.b-accent .b-glyph{color:var(--accent);}

.math-steps{background:var(--surface-2); border-radius:var(--radius-md); padding:16px 18px; font-family:var(--font-mono); font-size:12.5px; color:var(--ink-muted); line-height:2; margin-top:10px; overflow-x:auto; white-space:pre-wrap;}
.math-steps .m-final{color:var(--ink); font-weight:500;}

/* sections */
.section{position:relative; padding:64px 0;}
.section.bordered{border-top:1px solid var(--hairline-soft);}
.sec-title{font-size:28px; font-weight:700; letter-spacing:-0.6px; margin-bottom:8px;}
.sec-sub{font-size:15px; color:var(--ink-muted); margin-bottom:32px;}

/* homepage tool grid */
.tool-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:16px;}
.tool-card{background:var(--surface-1); border:1px solid var(--hairline); border-radius:var(--radius-lg); padding:22px 20px; transition:border-color .12s, transform .12s; display:block;}
.tool-card:hover{border-color:var(--ink); transform:translateY(-2px);}
.tool-card.new{border-color:var(--accent);}
.tool-card.new .tool-name::after{content:"NEW"; font-size:10px; font-weight:700; color:#fff; background:var(--accent); padding:3px 7px; border-radius:var(--radius-xs); margin-left:8px; vertical-align:middle;}
.tool-icon{width:44px; height:44px; border-radius:var(--radius-sm); margin-bottom:14px; background:var(--ink); display:flex; align-items:center; justify-content:center; overflow:hidden;}
.tool-icon img{width:100%; height:100%; object-fit:cover;}
.tool-icon.accent{background:var(--accent);}
.tool-name{font-size:16.5px; font-weight:700; margin-bottom:6px; letter-spacing:-0.2px;}
.tool-desc{font-size:13px; color:var(--ink-muted); line-height:1.5;}

.badge-row{display:flex; flex-wrap:wrap; gap:8px; margin-top:20px;}
.badge{font-size:12.5px; padding:7px 13px; background:var(--surface-1); border:1px solid var(--hairline); border-radius:var(--radius-pill); color:var(--ink-muted);}

.district-card{background:var(--surface-1); border:1px solid var(--hairline); border-radius:var(--radius-lg); padding:8px 24px;}
.district-row{display:flex; justify-content:space-between; padding:14px 0; border-bottom:1px solid var(--hairline-soft); font-size:14px;}
.district-row:last-child{border-bottom:none;}
.district-row .v{color:var(--accent); font-weight:600;}
.district-row a{display:block; width:100%;}

/* popular city chip grid (homepage) — larger set */
.city-chip-grid{display:grid; grid-template-columns:repeat(6,1fr); gap:10px;}
.city-chip{background:var(--surface-1); border:1px solid var(--hairline); border-radius:var(--radius-md); padding:13px 10px; text-align:center; font-size:13px; font-weight:600; color:var(--ink);}
.city-chip:hover{border-color:var(--navy); background:var(--surface-2);}
.city-chip .c-state{display:block; font-size:10.5px; font-weight:400; color:var(--ink-subtle); margin-top:2px;}
.city-group-label{font-size:12px; font-weight:700; text-transform:uppercase; letter-spacing:0.05em; color:var(--accent); margin:28px 0 12px;}
.city-group-label:first-child{margin-top:0;}

/* region-grouped district index */
.region-group{margin-bottom:36px;}
.region-title{font-size:13px; font-weight:700; text-transform:uppercase; letter-spacing:0.05em; color:var(--accent); margin-bottom:14px; display:flex; align-items:center; gap:10px;}
.region-title::after{content:""; flex:1; height:1px; background:var(--hairline-soft);}
.region-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:10px;}
.region-chip{background:var(--surface-1); border:1px solid var(--hairline); border-radius:var(--radius-md); padding:13px 14px; font-size:13.5px; font-weight:600; color:var(--ink); display:flex; justify-content:space-between; align-items:center;}
.region-chip:hover{border-color:var(--ink);}
.region-chip .r-state{font-size:11px; font-weight:400; color:var(--ink-subtle);}

table.ref-table{width:100%; border-collapse:collapse; font-size:13.5px; margin-top:10px;}
table.ref-table th{text-align:left; color:var(--ink-subtle); font-size:11.5px; text-transform:uppercase; letter-spacing:.03em; padding:10px 12px; border-bottom:1px solid var(--hairline);}
table.ref-table td{padding:11px 12px; border-bottom:1px solid var(--hairline-soft); color:var(--ink-muted);}
table.ref-table tr:hover td{color:var(--ink);}

.faq-item{border-bottom:1px solid var(--hairline-soft); padding:20px 0;}
.faq-q{font-weight:500; font-size:16px; margin-bottom:8px;}
.faq-a{font-size:14.5px; color:var(--ink-muted); line-height:1.6;}

.blog-card{background:var(--surface-1); border:1px solid var(--hairline); border-radius:var(--radius-lg); padding:22px; margin-bottom:16px; display:block;}
.blog-card .cat{font-size:11px; color:var(--accent); text-transform:uppercase; letter-spacing:.03em; margin-bottom:8px; font-weight:500;}
.blog-card h3{font-size:17px; font-weight:500; margin-bottom:8px; letter-spacing:-0.2px;}
.blog-card p{font-size:13.5px; color:var(--ink-muted);}

article.post{font-size:16px; color:var(--ink-muted); line-height:1.75;}
article.post h2{color:var(--ink); font-size:22px; font-weight:500; margin:32px 0 12px; letter-spacing:-0.3px;}
article.post p{margin-bottom:16px;}
article.post ul{margin:0 0 16px 20px;}
article.post b{color:var(--ink); font-weight:500;}

.stats{display:flex; justify-content:center; gap:56px; padding:0 0 20px; flex-wrap:wrap;}
.stat-num{font-size:22px; font-weight:500; letter-spacing:-0.3px;}
.stat-lbl{font-size:11.5px; color:var(--ink-subtle); margin-top:4px;}

.hi{font-family:var(--font-sans); color:var(--ink-subtle); font-size:13px;}

.demo-banner{background:var(--accent-tint); color:#B8420E; font-size:12.5px; text-align:center; padding:9px 16px;}

.cta-banner{background:var(--surface-1); border:1px solid var(--hairline); border-radius:var(--radius-lg); padding:48px 40px; text-align:center;}
.cta-banner h2{font-size:26px; font-weight:500; letter-spacing:-0.4px; margin-bottom:10px;}
.cta-banner p{color:var(--ink-muted); font-size:15px; margin-bottom:22px;}

.map-widget{background:var(--surface-1); border:1px solid var(--hairline); border-radius:var(--radius-lg); padding:20px;}

/* footer — big, mature, navy, multi-column */
footer{position:relative; background:var(--navy); color:#B9C2D6; padding:0; margin-top:64px;}
.footer-main{padding:56px 0 36px;}
.footer-cols{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr 1fr; gap:32px;}
.footer-brand .logo-text{margin-bottom:14px; display:inline-block;}
.footer-brand p{font-size:13.5px; color:#9BA6BF; line-height:1.7; max-width:280px;}
.footer-col h4{font-size:12.5px; font-weight:700; color:#fff; text-transform:uppercase; letter-spacing:0.05em; margin-bottom:16px;}
.footer-col a{display:block; font-size:13.5px; color:#B9C2D6; margin-bottom:11px;}
.footer-col a:hover{color:#fff;}
.footer-bottom{border-top:1px solid var(--navy-line); padding:22px 0; display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px;}
.footer-bottom p{font-size:12.5px; color:#8B96AF;}
.footer-social{display:flex; gap:14px;}
.footer-social a{font-size:12.5px; color:#B9C2D6;}
.footer-social a:hover{color:#fff;}
@media(max-width:860px){
  .footer-cols{grid-template-columns:repeat(2,1fr);}
}

@media(max-width:860px){
  .tool-grid{grid-template-columns:repeat(2,1fr);}
  .result-grid{grid-template-columns:1fr;}
  .city-chip-grid{grid-template-columns:repeat(2,1fr);}
  .region-grid{grid-template-columns:1fr;}
  .footer-cols{grid-template-columns:1fr 1fr;}
  h1.display-xl{font-size:34px; letter-spacing:-0.8px;}
  h1{font-size:26px;}
  .nav{justify-content:flex-start; flex-wrap:wrap;}
  .navlinks{order:3; width:100%; padding-top:10px; border-top:1px solid var(--navy-line); margin-top:6px;}
  .result-card{padding:22px 18px;}
}