/* ============================================================
   UAE Calculator — style.css
   Design concept: "The Ledger" — a precision instrument-panel
   aesthetic. Numbers are set in tabular monospace like an
   exchange board; headings in a geometric sans; hairline rules
   throughout evoke an accountant's ledger book.
   ============================================================ */

:root{
  --ink:#0b2a2e;
  --paper:#f5f8f7;
  --surface:#ffffff;
  --teal:#0f6b63;
  --teal-dark:#0a4f49;
  --teal-tint:#e6f1ef;
  --brass:#b8862f;
  --brass-tint:#f7ecd8;
  --line:#dbe3e0;
  --muted:#5b6b68;
  --danger:#a3402f;
  --radius:14px;
  --shadow:0 1px 2px rgba(11,42,46,.04), 0 8px 24px rgba(11,42,46,.06);
  --maxw:1160px;
  --font-display:'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body:'Inter', 'Segoe UI', sans-serif;
  --font-mono:'IBM Plex Mono', ui-monospace, 'Courier New', monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
h1,h2,h3,h4{
  font-family:var(--font-display);
  line-height:1.15;
  margin:0 0 .5em 0;
  letter-spacing:-.01em;
}
p{margin:0 0 1em 0;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px;}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;}

:focus-visible{outline:3px solid var(--brass);outline-offset:2px;}

/* ---------- Top utility bar ---------- */
.topbar{
  background:var(--ink);
  color:#cfe4e0;
  font-size:12.5px;
}
.topbar .container{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:6px;padding-bottom:6px;
  gap:12px;flex-wrap:wrap;
}
.topbar a{color:#cfe4e0;text-decoration:none;}
.topbar .topbar-note{opacity:.85;}
.topbar .topbar-links{display:flex;gap:16px;}
.topbar .topbar-links a:hover{color:#fff;text-decoration:underline;}

/* ---------- Header ---------- */
header.site-header{
  background:var(--surface);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:50;
}
.header-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);}
.brand-mark{
  width:38px;height:38px;border-radius:9px;
  background:linear-gradient(155deg,var(--teal),var(--teal-dark));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-weight:700;font-size:14px;flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text .name{font-family:var(--font-display);font-weight:700;font-size:18px;}
.brand-text .tag{font-size:11px;color:var(--muted);letter-spacing:.04em;text-transform:uppercase;}

nav.main-nav{display:flex;align-items:center;gap:2px;}
nav.main-nav > ul{list-style:none;display:flex;gap:4px;margin:0;padding:0;}
nav.main-nav a{
  text-decoration:none;color:var(--ink);font-size:14.5px;font-weight:500;
  padding:10px 14px;border-radius:8px;display:block;
}
nav.main-nav a:hover{background:var(--teal-tint);color:var(--teal-dark);}
nav.main-nav .has-dropdown{position:relative;}
nav.main-nav .dropdown{
  display:none;position:absolute;top:100%;left:0;
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow);min-width:280px;padding:10px;margin-top:6px;
  grid-template-columns:1fr 1fr;gap:2px;
}
nav.main-nav .has-dropdown:hover .dropdown{display:grid;}
nav.main-nav .dropdown a{font-size:13px;padding:8px 10px;}
nav.main-nav .dropdown a .cnt{color:var(--muted);font-family:var(--font-mono);font-size:11px;}

.header-cta{
  display:flex;align-items:center;gap:10px;
}
.btn{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-body);font-weight:600;font-size:14px;
  padding:10px 18px;border-radius:9px;text-decoration:none;
  border:1px solid transparent;cursor:pointer;
}
.btn-primary{background:var(--teal);color:#fff;}
.btn-primary:hover{background:var(--teal-dark);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-outline:hover{border-color:var(--teal);color:var(--teal-dark);}

.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 10px;cursor:pointer;}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--ink);margin:4px 0;}

/* ---------- Breadcrumb ---------- */
.breadcrumb{font-size:12.5px;color:var(--muted);padding:14px 0;}
.breadcrumb a{text-decoration:none;color:var(--muted);}
.breadcrumb a:hover{color:var(--teal-dark);text-decoration:underline;}
.breadcrumb .sep{margin:0 6px;opacity:.6;}

/* ---------- Hero / Ledger ticker ---------- */
.hero{
  background:
    radial-gradient(1200px 500px at 85% -10%, var(--teal-tint), transparent 60%),
    var(--paper);
  border-bottom:1px solid var(--line);
  padding:56px 0 40px;
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;}
.eyebrow{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--teal-dark);background:var(--teal-tint);
  display:inline-flex;padding:5px 10px;border-radius:999px;margin-bottom:14px;
}
.hero h1{font-size:clamp(28px,4vw,42px);max-width:16ch;}
.hero p.lead{font-size:16.5px;color:var(--muted);max-width:52ch;}
.hero-actions{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap;}

.ledger-board{
  background:var(--ink);color:#eaf3f1;border-radius:16px;
  padding:20px 20px 8px;box-shadow:var(--shadow);
  font-family:var(--font-mono);font-size:13px;
}
.ledger-board .lb-title{
  display:flex;justify-content:space-between;align-items:center;
  font-family:var(--font-body);font-size:12px;color:#9fc3bd;
  text-transform:uppercase;letter-spacing:.08em;border-bottom:1px solid #1c4642;
  padding-bottom:10px;margin-bottom:6px;
}
.ledger-board .lb-title .dot{width:7px;height:7px;border-radius:50%;background:#3fd6a0;display:inline-block;margin-right:6px;animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
.lb-row{
  display:flex;justify-content:space-between;gap:10px;
  padding:9px 0;border-bottom:1px dashed #1c4642;
}
.lb-row:last-child{border-bottom:none;}
.lb-row .lbl{color:#a9c9c4;}
.lb-row .val{color:#fff;font-weight:600;}
@media (prefers-reduced-motion: reduce){
  .ledger-board .dot{animation:none;}
}

/* ---------- Section headings ---------- */
.section{padding:46px 0;}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:22px;flex-wrap:wrap;}
.section-head h2{font-size:24px;}
.section-head p{color:var(--muted);margin:0;font-size:14px;max-width:60ch;}

/* ---------- Category grid ---------- */
.cat-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
}
.cat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;text-decoration:none;color:var(--ink);
  display:flex;flex-direction:column;gap:10px;transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--teal);}
.cat-card .cat-icon{
  width:42px;height:42px;border-radius:10px;background:var(--teal-tint);color:var(--teal-dark);
  display:flex;align-items:center;justify-content:center;font-size:20px;
}
.cat-card h3{font-size:16px;margin:0;}
.cat-card .cat-desc{font-size:13px;color:var(--muted);margin:0;flex-grow:1;}
.cat-card .cat-foot{
  display:flex;justify-content:space-between;align-items:center;
  font-family:var(--font-mono);font-size:12px;color:var(--muted);
  border-top:1px dashed var(--line);padding-top:10px;margin-top:2px;
}
.cat-card .cat-foot .arrow{color:var(--brass);font-weight:700;}
.cat-card.disabled{opacity:.55;cursor:default;}
.cat-card.disabled:hover{transform:none;box-shadow:none;border-color:var(--line);}
.badge-soon{
  font-family:var(--font-mono);font-size:10.5px;background:var(--brass-tint);color:var(--brass);
  padding:2px 8px;border-radius:999px;align-self:flex-start;
}
.badge-live{
  font-family:var(--font-mono);font-size:10.5px;background:var(--teal-tint);color:var(--teal-dark);
  padding:2px 8px;border-radius:999px;align-self:flex-start;
}

/* ---------- Trust strip ---------- */
.trust-strip{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:28px 0;}
.trust-item{display:flex;gap:12px;align-items:flex-start;}
.trust-item .ti-ico{font-size:20px;}
.trust-item h4{font-size:14px;margin:0 0 3px;}
.trust-item p{font-size:12.5px;color:var(--muted);margin:0;}

/* ---------- Calculator list (category page) ---------- */
.calc-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
.calc-row{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  padding:16px 18px;text-decoration:none;color:var(--ink);
}
.calc-row:hover{border-color:var(--teal);background:var(--teal-tint);}
.calc-row .cr-name{font-weight:600;font-size:14.5px;}
.calc-row .cr-sub{font-size:12px;color:var(--muted);font-family:var(--font-mono);}
.calc-row .cr-arrow{color:var(--brass);font-size:18px;}
.calc-row.locked{opacity:.5;pointer-events:none;}

.category-intro{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;margin-bottom:26px;
}
.category-intro h1{font-size:26px;}
.category-intro p{color:var(--muted);font-size:14.5px;margin-bottom:0;}

/* ---------- Calculator page layout ---------- */
.calc-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start;}
.calc-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);
}
.calc-card h1{font-size:24px;margin-bottom:6px;}
.calc-sub{color:var(--muted);font-size:13.5px;margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--ink);}
.field .hint{font-size:11.5px;color:var(--muted);margin-top:4px;}
.field input[type=text],
.field input[type=number],
.field input[type=date],
.field select{
  width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:9px;
  font-size:14.5px;font-family:var(--font-mono);background:#fbfdfc;color:var(--ink);
}
.field input:focus,.field select:focus{border-color:var(--teal);}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.radio-group{display:flex;gap:10px;flex-wrap:wrap;}
.radio-pill{
  border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:13px;cursor:pointer;
  background:#fff;
}
.radio-pill input{margin-right:6px;}
.radio-pill.active{border-color:var(--teal);background:var(--teal-tint);color:var(--teal-dark);font-weight:600;}

.calc-actions{display:flex;gap:10px;margin-top:6px;}
.btn-calc{
  background:var(--teal);color:#fff;border:none;padding:13px 22px;border-radius:9px;
  font-weight:700;font-size:14.5px;cursor:pointer;font-family:var(--font-body);
}
.btn-calc:hover{background:var(--teal-dark);}
.btn-reset{background:transparent;border:1px solid var(--line);padding:13px 18px;border-radius:9px;cursor:pointer;font-size:14px;}

.result-panel{
  background:var(--ink);color:#eaf3f1;border-radius:var(--radius);padding:24px;
  position:sticky;top:90px;
}
.result-panel .rp-eyebrow{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#9fc3bd;
  margin-bottom:14px;
}
.result-panel .rp-main{
  font-family:var(--font-mono);font-size:34px;font-weight:700;color:#fff;line-height:1.1;margin-bottom:4px;
  word-break:break-word;
}
.result-panel .rp-main-label{font-size:12.5px;color:#a9c9c4;margin-bottom:18px;}
.result-panel .rp-line{
  display:flex;justify-content:space-between;font-size:13px;padding:9px 0;border-top:1px dashed #1c4642;
}
.result-panel .rp-line .l{color:#a9c9c4;}
.result-panel .rp-line .v{font-family:var(--font-mono);color:#fff;}
.result-panel .rp-note{font-size:11.5px;color:#8fb4ae;margin-top:16px;line-height:1.5;}
.result-panel.empty{color:#a9c9c4;font-size:13.5px;}

.explain{margin-top:32px;}
.explain h2{font-size:19px;margin-bottom:10px;}
.explain h3{font-size:15.5px;margin:20px 0 8px;}
.explain p, .explain li{color:var(--ink);font-size:14.5px;}
.explain ul{padding-left:20px;}
.faq-item{border-top:1px solid var(--line);padding:14px 0;}
.faq-item h3{margin:0 0 6px;font-size:14.5px;}
.faq-item p{margin:0;font-size:13.5px;color:var(--muted);}

.byline{
  display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted);
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
}
.byline .ba{width:30px;height:30px;border-radius:50%;background:var(--brass-tint);color:var(--brass);display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-weight:700;font-size:12px;}

.disclaimer-box{
  background:var(--brass-tint);border:1px solid #ecd9ab;color:#6b4f14;
  border-radius:10px;padding:14px 16px;font-size:12.5px;margin-top:18px;
}

.related{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.related a{
  font-size:12.5px;text-decoration:none;color:var(--teal-dark);background:var(--teal-tint);
  padding:6px 12px;border-radius:999px;
}
.related a:hover{background:var(--teal);color:#fff;}

/* ---------- Static content pages ---------- */
.static-page{max-width:820px;margin:0 auto;padding:46px 20px 70px;}
.static-page h1{font-size:28px;}
.static-page h2{font-size:19px;margin-top:32px;}
.static-page p, .static-page li{color:#33403e;font-size:15px;}
.static-page .updated{font-family:var(--font-mono);font-size:12px;color:var(--muted);margin-bottom:24px;}

/* ---------- Footer ---------- */
footer.site-footer{background:var(--ink);color:#cfe4e0;margin-top:40px;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;
  padding:44px 0 30px;
}
.footer-col h4{color:#fff;font-size:13.5px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:9px;}
.footer-col a{color:#b9d4cf;text-decoration:none;font-size:13.5px;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-brand p{color:#a9c9c4;font-size:13px;max-width:38ch;}
.footer-bottom{
  border-top:1px solid #1c4642;padding:18px 0;font-size:12px;color:#8fb4ae;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;
}
.footer-bottom a{color:#8fb4ae;}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;}
  .cat-grid{grid-template-columns:repeat(2,1fr);}
  .calc-list{grid-template-columns:1fr;}
  .calc-layout{grid-template-columns:1fr;}
  .result-panel{position:static;}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:720px){
  nav.main-nav{
    display:none;position:absolute;top:100%;left:0;right:0;background:var(--surface);
    border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:10px;
  }
  nav.main-nav.open{display:block;}
  nav.main-nav > ul{flex-direction:column;}
  nav.main-nav .dropdown{position:static;display:none;grid-template-columns:1fr;box-shadow:none;border:none;padding-left:10px;}
  nav.main-nav .has-dropdown:hover .dropdown, nav.main-nav .has-dropdown.open .dropdown{display:grid;}
  .menu-toggle{display:block;}
  .header-cta .btn-outline{display:none;}
  .cat-grid{grid-template-columns:1fr;}
  .field-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
}