/* AlphaTaxCalc — main stylesheet (original design) */
:root{
  --ink:#14213d;
  --ink-soft:#3d4a66;
  --muted:#6b7590;
  --line:#e3e7f0;
  --bg:#f6f8fc;
  --card:#ffffff;
  --brand:#1f4fd8;
  --brand-dark:#163aa3;
  --brand-tint:#eaf0ff;
  --accent:#f5a524;
  --good:#0e9f6e;
  --good-tint:#e6f7f0;
  --warn:#c2410c;
  --radius:14px;
  --shadow:0 1px 2px rgba(20,33,61,.06),0 8px 24px rgba(20,33,61,.06);
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;font-size:16px}
img,svg{max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.25;margin:0 0 .6em;letter-spacing:-.01em}
h1{font-size:clamp(1.7rem,3.6vw,2.5rem)}
h2{font-size:clamp(1.35rem,2.4vw,1.75rem);margin-top:1.6em}
h3{font-size:1.12rem;margin-top:1.3em}
p{margin:0 0 1em}
.container{width:100%;max-width:1140px;margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-999px}
.skip:focus{left:16px;top:8px;background:#fff;padding:8px 12px;z-index:99;border-radius:8px}

/* Header */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.nav{display:flex;align-items:center;gap:16px;min-height:64px}
.nav .logo{margin-right:auto}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--ink)}
.logo:hover{text-decoration:none}
.logo-mark{width:34px;height:34px;flex:none}
.logo span b{color:var(--brand)}
.menu{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.menu a{display:block;padding:8px 12px;border-radius:8px;color:var(--ink-soft);font-weight:600;font-size:.95rem}
.menu a:hover,.menu a[aria-current="page"]{background:var(--brand-tint);color:var(--brand);text-decoration:none}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 10px;font:inherit;cursor:pointer;color:var(--ink)}
@media (max-width:860px){
  .menu-toggle{display:block}
  .menu{display:none;position:absolute;left:0;right:0;top:64px;background:#fff;flex-direction:column;padding:8px 16px 16px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .menu.open{display:flex}
}

/* Hero */
.hero{background:linear-gradient(135deg,#14213d 0%,#1f4fd8 100%);color:#fff;padding:40px 0 96px}
.hero h1{color:#fff}
.hero p.lead{color:#dbe4ff;max-width:720px;font-size:1.08rem}
.badge{display:inline-block;background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.25);padding:4px 12px;border-radius:999px;font-size:.82rem;font-weight:600;margin-bottom:14px}
.page-head{background:#fff;border-bottom:1px solid var(--line);padding:28px 0}
.breadcrumb{font-size:.86rem;color:var(--muted);margin-bottom:8px}
.breadcrumb a{color:var(--muted)}

/* Layout */
main{display:block}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;padding:28px 0 48px}
.layout.single{grid-template-columns:minmax(0,1fr)}
@media (max-width:980px){.layout{grid-template-columns:minmax(0,1fr)}}
.pull-up{margin-top:-72px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}
.card + .card{margin-top:24px}
.prose{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;margin-top:24px}
.prose ul,.prose ol{padding-left:1.3em}
.prose li{margin-bottom:.4em}
aside .card{position:sticky;top:84px}

/* Calculator */
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:640px){.calc-grid{grid-template-columns:1fr}}
label{display:block;font-weight:600;font-size:.92rem;margin-bottom:6px;color:var(--ink-soft)}
.field{margin-bottom:4px}
.input-wrap{position:relative}
.input-wrap .prefix{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted);font-weight:600;font-size:.92rem}
input[type=text],input[type=number],input[type=email],select,textarea{width:100%;font:inherit;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}
.input-wrap input{padding-left:44px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,79,216,.15)}
.seg{display:inline-flex;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:3px}
.seg button{border:0;background:transparent;font:inherit;font-weight:600;font-size:.9rem;padding:8px 14px;border-radius:8px;cursor:pointer;color:var(--ink-soft)}
.seg button[aria-pressed="true"]{background:#fff;color:var(--brand);box-shadow:0 1px 3px rgba(0,0,0,.08)}
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:10px;padding:12px 20px;font:inherit;font-weight:700;cursor:pointer}
.btn:hover{background:var(--brand-dark);text-decoration:none}
.btn.ghost{background:#fff;color:var(--brand);border:1.5px solid var(--brand)}
.hint{font-size:.84rem;color:var(--muted);margin-top:6px}

.results{margin-top:22px;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media (max-width:640px){.results{grid-template-columns:1fr 1fr}}
.stat{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:14px}
.stat .k{font-size:.8rem;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.03em}
.stat .v{font-size:1.25rem;font-weight:800;margin-top:2px;word-break:break-word}
.stat.good{background:var(--good-tint);border-color:#bfe8d6}
.stat.good .v{color:var(--good)}
.stat.hl{background:var(--brand-tint);border-color:#c9d6ff}
.stat.hl .v{color:var(--brand)}
.bar{height:12px;border-radius:999px;background:var(--good-tint);overflow:hidden;margin:18px 0 6px;display:flex}
.bar i{display:block;height:100%;background:var(--warn)}
.bar-legend{display:flex;justify-content:space-between;font-size:.82rem;color:var(--muted)}
.compare{margin-top:18px;padding:14px 16px;border-radius:12px;border:1px dashed #c9d6ff;background:#fbfcff;font-size:.95rem}

/* Tables */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:12px;margin:12px 0 18px}
table{width:100%;border-collapse:collapse;font-size:.93rem;background:#fff}
th,td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{background:#f1f4fb;font-weight:700;color:var(--ink-soft);font-size:.85rem}
tr:last-child td{border-bottom:0}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
tr.active td{background:var(--brand-tint);font-weight:600}

/* Quick answer box (GEO) */
.answer{border-left:4px solid var(--brand);background:var(--brand-tint);padding:14px 18px;border-radius:0 12px 12px 0;margin:0 0 20px}
.answer strong:first-child{display:block;font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--brand);margin-bottom:4px}
.note{background:#fff8eb;border:1px solid #fde3b0;border-radius:12px;padding:12px 16px;font-size:.92rem;margin:16px 0}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:12px;background:#fff;margin-bottom:10px}
.faq summary{cursor:pointer;padding:14px 18px;font-weight:700;list-style:none;position:relative;padding-right:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:18px;top:10px;font-size:1.4rem;color:var(--brand)}
.faq details[open] summary::after{content:"–"}
.faq details > div{padding:0 18px 14px;color:var(--ink-soft)}

/* Tool cards */
.tools{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin:12px 0}
.tool{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;color:var(--ink)}
.tool:hover{border-color:var(--brand);text-decoration:none;box-shadow:var(--shadow)}
.tool b{display:block;margin-bottom:4px}
.tool span{font-size:.88rem;color:var(--muted)}

/* Ad slots — reserved space prevents layout shift (CLS) */
.ad-slot{display:flex;align-items:center;justify-content:center;background:repeating-linear-gradient(45deg,#f3f5fa,#f3f5fa 10px,#eef1f8 10px,#eef1f8 20px);border:1px dashed #d3d9e6;border-radius:12px;color:#9aa3b8;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;margin:24px 0;overflow:hidden}
.ad-slot.leader{min-height:100px}
.ad-slot.rect{min-height:280px}
.ad-slot.side{min-height:600px}
.ad-slot.has-ad{background:none;border:0}
@media (max-width:980px){.ad-slot.side{min-height:280px}}

/* Footer */
.site-footer{background:#0f1830;color:#b7c0d8;padding:44px 0 24px;font-size:.92rem}
.site-footer a{color:#dbe4ff}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.1fr;gap:24px}
@media (max-width:780px){.foot-grid{grid-template-columns:1fr 1fr}}
.site-footer h3{color:#fff;font-size:.95rem;margin:0 0 10px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:6px}
.foot-bottom{border-top:1px solid #24304f;margin-top:28px;padding-top:16px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;font-size:.84rem}

/* Cookie consent */
.consent{position:fixed;left:16px;right:16px;bottom:16px;max-width:560px;margin:0 auto;background:#fff;border:1px solid var(--line);box-shadow:0 10px 40px rgba(0,0,0,.18);border-radius:14px;padding:16px 18px;z-index:100;font-size:.9rem;display:none}
.consent.show{display:block}
.consent .row{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.consent .btn{padding:9px 16px;font-size:.9rem}

.muted{color:var(--muted)}
.small{font-size:.86rem}
.updated{font-size:.86rem;color:var(--muted)}
.hero .updated{color:#c3cff5}
@media print{.site-header,.site-footer,.ad-slot,aside,.consent{display:none!important}}