/* RozKaTool — brand design system v2 */
:root{
  --brand:#0c7a43; --brand-dark:#075c31; --brand-deep:#06231a;
  --grad:linear-gradient(135deg,#0e9f5d 0%,#0c7a43 55%,#075c31 100%);
  --accent-soft:#e8f6ee;
  --ink:#132019; --muted:#5a6b60; --line:#e2eae5; --bg:#f5f8f6; --card:#ffffff;
  --warn:#b45309; --radius:16px;
  --shadow-sm:0 1px 2px rgba(6,35,26,.05),0 4px 14px rgba(6,35,26,.05);
  --shadow-md:0 10px 30px rgba(6,35,26,.12);
  --cat-pdf:#e11d48; --cat-pdf-bg:#fbdce5;
  --cat-img:#6d28d9; --cat-img-bg:#e4d7fb;
  --cat-calc:#d97706; --cat-calc-bg:#fbe7c6;
  --cat-pk:#0c7a43; --cat-pk-bg:#d3efdf;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--brand-dark)}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
::selection{background:#bfe6cf}

/* ---------- Header ---------- */
header.site{background:rgba(255,255,255,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0}
.logo{display:flex;align-items:center;gap:9px;font-size:1.3rem;font-weight:800;letter-spacing:-.02em;text-decoration:none;color:var(--ink)}
.logo svg{flex:none;display:block}
.logo span{color:var(--brand)}
nav.main{display:flex;gap:4px;flex-wrap:wrap}
nav.main a{text-decoration:none;color:var(--muted);font-weight:600;font-size:.93rem;padding:7px 12px;border-radius:999px;transition:background .15s,color .15s}
nav.main a:hover{color:var(--brand-dark);background:var(--accent-soft)}

/* ---------- Hero (homepage) ---------- */
.hero-band{background:radial-gradient(900px 420px at 15% -10%,rgba(255,255,255,.16),transparent 60%),linear-gradient(135deg,#0d8a4a 0%,#0a683a 55%,#06231a 130%);color:#fff;margin:0 -20px;padding:52px 20px 58px;text-align:center;border-radius:0 0 28px 28px}
.hero-badge{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.35);color:#eafff3;font-size:.8rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:6px 14px;border-radius:999px}
.hero-band h1{font-size:2.55rem;line-height:1.12;letter-spacing:-.03em;margin:16px 0 10px;font-weight:800}
.hero-band h1 .hl{color:#8df0b6}
.hero-band p{color:#d6efe0;max-width:620px;margin:0 auto;font-size:1.05rem}
.searchbox{max-width:540px;margin:24px auto 0}
.searchbox input{width:100%;padding:15px 20px;border:none;border-radius:999px;font-size:1rem;background:#fff;box-shadow:0 12px 32px rgba(0,0,0,.25);color:var(--ink)}
.searchbox input:focus{outline:3px solid rgba(141,240,182,.65)}
.stats{display:flex;justify-content:center;gap:14px 38px;flex-wrap:wrap;margin-top:26px}
.stats div{text-align:center}
.stats b{display:block;font-size:1.35rem;letter-spacing:-.02em}
.stats span{font-size:.82rem;color:#bfe6cf;font-weight:600;text-transform:uppercase;letter-spacing:.05em}

/* ---------- Category headings ---------- */
.cat-head{display:flex;align-items:center;gap:13px;margin:38px 0 2px}
.cat-ic{width:44px;height:44px;flex:none;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:1.35rem}
.cat-head h2{font-size:1.38rem;margin:0;letter-spacing:-.02em}
.cat-count{margin-left:auto;background:#fff;border:1px solid var(--line);color:var(--muted);font-size:.78rem;font-weight:700;padding:4px 11px;border-radius:999px;white-space:nowrap}
.cat-sub{color:var(--muted);margin:2px 0 4px 57px;font-size:.93rem}
@media(max-width:640px){.cat-sub{margin-left:0}}

/* ---------- Tool cards ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;padding:16px 0 6px}
.tool-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;text-decoration:none;color:var(--ink);display:block;box-shadow:var(--shadow-sm);transition:transform .15s,box-shadow .15s,border-color .15s;position:relative}
.tool-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfe5d7}
.tool-card .ic{width:50px;height:50px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.55rem;margin-bottom:12px}
.grid-pdf .ic{background:var(--cat-pdf-bg)} .grid-img .ic{background:var(--cat-img-bg)}
.grid-calc .ic{background:var(--cat-calc-bg)} .grid-pk .ic{background:var(--cat-pk-bg)}
.tool-card h3{margin:0 0 4px;font-size:1.06rem;letter-spacing:-.01em;padding-right:20px}
.tool-card p{margin:0;color:var(--muted);font-size:.9rem}
.tool-card .arr{position:absolute;top:18px;right:18px;color:#8fb8a1;font-weight:800;transition:color .15s,transform .15s}
.tool-card:hover .arr{color:var(--brand);transform:translateX(2px)}

/* ---------- Why / trust ---------- */
.why{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;padding:30px 0 8px}
.why div{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm)}
.why .wic{width:42px;height:42px;border-radius:12px;background:var(--accent-soft);display:flex;align-items:center;justify-content:center;font-size:1.25rem;margin-bottom:10px}
.why h3{margin:0 0 4px;font-size:1.02rem}
.why p{margin:0;color:var(--muted);font-size:.9rem}

/* ---------- Footer ---------- */
footer.site{background:var(--brand-deep);color:#c9ded2;margin-top:44px}
.footer-in{padding:30px 0 26px;display:flex;flex-wrap:wrap;gap:16px 26px;justify-content:space-between;align-items:flex-start}
footer.site .logo{color:#fff}
footer.site .logo span{color:#8df0b6}
.footer-tag{font-size:.88rem;color:#93b3a1;margin-top:6px;max-width:300px}
.footer-links{display:flex;gap:8px 20px;flex-wrap:wrap;padding-top:6px}
.footer-links a{text-decoration:none;color:#c9ded2;font-weight:600;font-size:.92rem}
.footer-links a:hover{color:#fff}
.footer-base{border-top:1px solid rgba(255,255,255,.12);padding:14px 0 18px;font-size:.85rem;color:#93b3a1;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* ---------- Tool pages ---------- */
.page{padding:30px 0 6px}
.page h1{font-size:1.85rem;margin:0 0 8px;letter-spacing:-.02em}
.lead{color:var(--muted);max-width:720px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin:20px 0;box-shadow:var(--shadow-sm)}
label{display:block;font-weight:600;font-size:.93rem;margin:12px 0 5px}
input,select,textarea{width:100%;padding:12px 13px;border:1.5px solid var(--line);border-radius:11px;font-size:1rem;background:#fff;color:var(--ink);font-family:inherit;transition:border-color .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(12,122,67,.15)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:640px){.row{grid-template-columns:1fr}.hero-band h1{font-size:2rem}}
.btn{display:inline-block;background:var(--grad);color:#fff;border:none;border-radius:11px;padding:13px 26px;font-size:1rem;font-weight:700;cursor:pointer;text-decoration:none;margin-top:16px;box-shadow:0 6px 16px rgba(12,122,67,.28);transition:transform .12s,box-shadow .12s;font-family:inherit}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(12,122,67,.32)}
.btn:active{transform:translateY(0)}
.btn.secondary{background:#fff;color:var(--brand-dark);border:1.5px solid var(--brand);box-shadow:none}
.btn:disabled{opacity:.55;cursor:wait;transform:none}
.result{display:none;margin-top:18px;background:var(--accent-soft);border:1px solid #bfe3cd;border-radius:13px;padding:18px}
.result.show{display:block}
.result .big{font-size:1.6rem;font-weight:800;color:var(--brand-dark);letter-spacing:-.01em}
table{width:100%;border-collapse:collapse;margin:12px 0;font-size:.94rem}
th,td{border-bottom:1px solid var(--line);padding:9px 6px;text-align:left}
th{color:var(--muted);font-weight:700}
td.num,th.num{text-align:right}
.note{font-size:.88rem;color:var(--muted)}
.disclaimer{background:#fff7ed;border:1px solid #fed7aa;color:#7c4a03;border-radius:11px;padding:12px 14px;font-size:.9rem;margin:14px 0}
.error{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;border-radius:11px;padding:12px 14px;font-size:.92rem;margin-top:14px;display:none}
.error.show{display:block}
section.info{max-width:760px}
section.info h2{font-size:1.28rem;margin:28px 0 8px;letter-spacing:-.01em}
section.info ol,section.info ul{padding-left:22px}
.faq{border-bottom:1px solid var(--line);padding:12px 0}
.faq h3{margin:0 0 4px;font-size:1rem}
.faq p{margin:0;color:var(--muted)}
.related{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.related a{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:8px 15px;text-decoration:none;font-weight:600;font-size:.9rem;color:var(--brand-dark);box-shadow:var(--shadow-sm);transition:border-color .15s,transform .15s}
.related a:hover{border-color:var(--brand);transform:translateY(-1px)}
input[type=range]{padding:0}
input[type=file]{padding:9px}
progress{width:100%;height:14px}
.small{font-size:.85rem;color:var(--muted)}

/* ---------- Mobile (phones) ---------- */
@media (max-width:760px){
  header.site{position:static}
  .header-in{flex-direction:column;align-items:stretch;gap:9px;padding:10px 0}
  nav.main{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:2px}
  nav.main::-webkit-scrollbar{display:none}
  nav.main a{white-space:nowrap;background:var(--accent-soft);border-radius:999px;padding:7px 13px}
  .hero-band{padding:36px 16px 42px;border-radius:0 0 22px 22px}
  .hero-band h1{font-size:1.9rem}
  .hero-band p{font-size:.98rem}
  .stats{gap:16px 24px}
  .stats b{font-size:1.15rem}
  .grid{grid-template-columns:1fr 1fr;gap:12px;padding:14px 0 4px}
  .tool-card{padding:15px}
  .tool-card .ic{width:42px;height:42px;border-radius:12px;font-size:1.3rem;margin-bottom:9px}
  .tool-card h3{font-size:.96rem}
  .tool-card p{font-size:.82rem}
  .tool-card .arr{top:13px;right:13px}
  .cat-head{margin-top:30px}
  .cat-ic{width:38px;height:38px;font-size:1.15rem;border-radius:11px}
  .cat-head h2{font-size:1.2rem}
  .panel{padding:18px}
  .page{padding:22px 0 4px}
  .page h1{font-size:1.5rem}
  input,select,textarea{font-size:16px}
  table{display:block;overflow-x:auto;white-space:nowrap}
  .footer-in{flex-direction:column}
  .why{grid-template-columns:1fr}
}