/* ===== RE Tax Calc — fintech "Financial Trust" system (ui-ux-pro-max) =====
   Style: professional tokenized tool · Type: IBM Plex · Palette: trust-blue on slate */
:root{
  --bg:#F8FAFC; --surface:#FFFFFF; --surface-2:#F1F5F9;
  --ink:#0F172A; --ink-2:#334155; --muted:#64748B;
  --line:#E2E8F0; --line-strong:#CBD5E1;
  --primary:#1E40AF; --primary-2:#2563EB; --primary-ink:#EFF4FF;
  --ring:rgba(37,99,235,.35);
  --maxw:1080px; --radius:10px;
  --sans:'IBM Plex Sans',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;font-size:16px}
a{color:var(--primary-2);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:2px}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.narrow{max-width:760px}
h1,h2,h3{font-weight:600;letter-spacing:-.015em;color:var(--ink)}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(248,250,252,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:19px;color:var(--ink);letter-spacing:-.02em}
.brand:hover{text-decoration:none}
.brand .logo{width:30px;height:30px;border-radius:8px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:700;font-size:16px}
.nav-links{display:flex;gap:22px;font-size:14px;font-weight:500}
.nav-links a{color:var(--muted)}
.nav-links a:hover{color:var(--primary);text-decoration:none}
@media(max-width:720px){.nav-links{display:none}}

/* Hero */
.hero{padding:70px 0 26px}
.hero h1{font-size:clamp(32px,5vw,54px);line-height:1.06;margin:0 0 18px;max-width:16ch;font-weight:700}
.hero .grad{color:var(--primary)}
.hero p{font-size:18px;color:var(--muted);max-width:56ch;margin:0}
.pill{display:inline-flex;align-items:center;gap:8px;background:var(--primary-ink);color:var(--primary);border:1px solid #DBE3FF;padding:6px 13px;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:24px}

/* Card grid (hub) */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px;margin:38px 0}
.tool-card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px 22px 20px;color:var(--ink);transition:border-color .16s,box-shadow .16s,transform .16s}
.tool-card:hover{text-decoration:none;border-color:var(--primary-2);box-shadow:0 12px 28px -18px rgba(30,64,175,.55);transform:translateY(-2px)}
.tool-card .ico{display:none}
.tool-card h3{margin:0 0 6px;font-size:18px}
.tool-card p{margin:0;color:var(--muted);font-size:14px}
.tool-card .tag{display:inline-block;margin-top:14px;font-size:13px;color:var(--primary);font-weight:600}

section{padding:24px 0}
h2{font-size:26px;font-weight:600;margin:0 0 14px}
.lead{color:var(--muted);font-size:17px}

/* Tool header */
.tool-head{padding:48px 0 10px}
.tool-head h1{font-size:clamp(28px,4vw,40px);margin:0 0 10px;line-height:1.08;max-width:22ch;font-weight:700}
.tool-head p{color:var(--muted);max-width:62ch;margin:0;font-size:16px}

/* Workspace */
.workspace{display:grid;grid-template-columns:1fr 1.05fr;gap:28px;align-items:start;margin:30px 0 44px}
@media(max-width:860px){.workspace{grid-template-columns:1fr;gap:22px}}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.panel h3{margin:0 0 4px;font-size:16px;font-weight:600}
.panel > h3:first-child{padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:6px;color:var(--ink-2)}
.workspace .panel:last-child{box-shadow:0 10px 30px -22px rgba(15,23,42,.5)}

/* Forms */
label{display:block;font-size:13px;color:var(--ink-2);margin:15px 0 6px;font-weight:500}
input,textarea,select{width:100%;background:var(--surface);border:1px solid var(--line-strong);color:var(--ink);border-radius:8px;padding:11px 12px;font-size:15px;font-family:inherit;font-variant-numeric:tabular-nums}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary-2);box-shadow:0 0 0 3px var(--ring)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;cursor:pointer;border:1px solid transparent;border-radius:8px;padding:12px 20px;font-size:15px;font-weight:600;font-family:inherit;transition:.15s}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:#1B3A9E}
.btn-ghost{background:var(--surface);border-color:var(--line-strong);color:var(--ink-2)}
.btn-ghost:hover{border-color:var(--primary-2);color:var(--primary)}
.btn-block{width:100%}
.btn-sm{padding:9px 15px;font-size:13.5px}
.actions{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap}

/* Statement / results */
.totals{width:100%}
.rowline{display:flex;justify-content:space-between;align-items:baseline;gap:14px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.rowline span:first-child{color:var(--muted)}
.rowline span:last-child{font-family:var(--mono);font-variant-numeric:tabular-nums;font-weight:500;color:var(--ink);text-align:right}
.rowline.grand{border-bottom:none;border-top:2px solid var(--ink);margin-top:10px;padding-top:16px}
.rowline.grand span:first-child{color:var(--ink);font-weight:600;font-size:15px}
.rowline.grand span:last-child{font-family:var(--mono);font-weight:600;font-size:30px;color:var(--primary);line-height:1}

/* Ad slot (reserved) */
.ad-slot{margin:28px auto;max-width:970px;min-height:90px;display:grid;place-items:center;background:var(--surface-2);border:1px dashed var(--line-strong);border-radius:var(--radius);color:var(--muted);font-size:11px;letter-spacing:.1em;text-transform:uppercase}

/* Content */
.content{max-width:70ch;margin:0 auto;padding:24px 0 10px}
.content h2{margin-top:34px;font-size:24px}
.content p,.content li{font-size:16px}
.content ol,.content ul{padding-left:1.3em}
.content li{margin:6px 0}
.faq details{border-bottom:1px solid var(--line);padding:6px 0}
.faq summary{cursor:pointer;font-weight:600;padding:12px 0;font-size:16px;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";color:var(--primary-2);font-weight:700;margin-right:12px}
.faq details[open] summary::before{content:"–"}
.faq p{color:var(--muted);margin:0 0 14px}

/* Footer */
.site-footer{border-top:1px solid var(--line);padding:34px 0;margin-top:48px;color:var(--muted);font-size:14px}
.foot-grid{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.foot-grid a{color:var(--muted);margin-right:18px}
.foot-grid a:hover{color:var(--primary)}

@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}