/* ArtForge free-tools shared stylesheet (static pages under /tools/). */
:root{
  --purple:#7B3FE4;--purple-dark:#6A2FD0;--ink:#1A1526;--muted:#6B6577;
  --bg:#F7F7FB;--card:#FFFFFF;--line:#ECE9F3;--radius:16px;
  --green:#1F9D5B;--red:#D64545;--amber:#E0A82E;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--purple);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;
  padding:12px 20px;border-radius:12px;border:0;cursor:pointer;transition:transform .06s ease,box-shadow .2s ease;text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(135deg,#8B4BF0,#6A2FD0);color:#fff;box-shadow:0 8px 22px rgba(123,63,228,.28)}
.btn-primary:hover{box-shadow:0 10px 28px rgba(123,63,228,.42);text-decoration:none}
.btn-ghost{background:#F0ECFB;color:var(--purple-dark)}
.btn-ghost:hover{background:#E7E0F9;text-decoration:none}
/* Header */
header.site{position:sticky;top:0;z-index:20;background:rgba(247,247,251,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header.site .row{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--ink)}
.logo:hover{text-decoration:none}
.logo .mark{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,#8B4BF0,#6A2FD0);display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px}
/* Hero */
.hero{text-align:center;padding:48px 0 22px}
.pill{display:inline-block;background:#EFE9FC;color:var(--purple-dark);font-weight:600;font-size:13px;padding:6px 14px;border-radius:999px;margin-bottom:18px}
h1{font-size:clamp(30px,5vw,44px);line-height:1.1;margin:0 0 14px;letter-spacing:-.02em}
.hero p.sub{font-size:clamp(16px,2.2vw,20px);color:var(--muted);max-width:700px;margin:0 auto}
/* Calculator */
.calc{display:grid;grid-template-columns:1fr 400px;gap:22px;margin:24px 0 10px}
@media(max-width:880px){.calc{grid-template-columns:1fr}}
.calc-form,.calc-results{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.calc-form h2,.calc-results h2{font-size:15px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0 0 16px}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;font-size:14px;margin-bottom:7px}
.field .hintline{font-weight:400;color:var(--muted);font-size:12.5px}
.input-money,.input-num{position:relative}
.input-money::before{content:attr(data-cur);position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted);font-weight:600}
.calc input[type=number]{width:100%;font-size:16px;padding:11px 12px;border:1px solid #DDD8EA;border-radius:10px;background:#FCFBFF;font-family:inherit;color:var(--ink)}
.calc .input-money input[type=number]{padding-left:28px}
.calc input[type=number]:focus{outline:0;border-color:var(--purple);box-shadow:0 0 0 3px rgba(123,63,228,.12)}
.calc select{width:100%;font-size:15px;padding:11px 12px;border:1px solid #DDD8EA;border-radius:10px;background:#FCFBFF;font-family:inherit;color:var(--ink)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.seg{display:flex;gap:6px;flex-wrap:wrap}
.seg button{flex:1;min-width:70px;padding:9px 8px;border:1px solid #DDD8EA;background:#FCFBFF;border-radius:9px;font-weight:600;font-size:13.5px;cursor:pointer;color:var(--muted)}
.seg button.active{border-color:var(--purple);background:#F3EEFE;color:var(--purple-dark)}
.toggle{display:flex;align-items:center;gap:9px;cursor:pointer;font-size:14px;font-weight:600}
.toggle input{width:18px;height:18px;accent-color:var(--purple)}
details.adv{margin-top:6px;border-top:1px solid var(--line);padding-top:12px}
details.adv summary{cursor:pointer;font-weight:600;font-size:13.5px;color:var(--purple-dark);list-style:none}
details.adv summary::-webkit-details-marker{display:none}
/* Results */
.calc-results{position:sticky;top:84px;align-self:start}
.result-big{text-align:center;padding:14px 0 6px}
.result-big .lbl{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.result-big .val{font-size:44px;font-weight:800;letter-spacing:-.02em;line-height:1.1;margin-top:2px}
.result-big .val.pos{color:var(--green)}
.result-big .val.neg{color:var(--red)}
.chips{display:flex;gap:10px;margin:10px 0 4px}
.chip{flex:1;text-align:center;background:#F7F5FC;border:1px solid var(--line);border-radius:12px;padding:11px 8px}
.chip .c-lbl{font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.chip .c-val{font-size:20px;font-weight:800;margin-top:2px}
.bar{height:26px;border-radius:8px;overflow:hidden;display:flex;margin:16px 0 6px;border:1px solid var(--line)}
.bar span{display:block;height:100%}
.bar .b-cost{background:#C9BEE8}.bar .b-ship{background:#9E8FD6}.bar .b-fees{background:#E0A82E}.bar .b-profit{background:#1F9D5B}
.legend{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:12.5px;color:var(--muted);margin-bottom:6px}
.legend i{display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:5px;vertical-align:-1px}
.breakdown{list-style:none;padding:0;margin:12px 0 0;font-size:14px}
.breakdown li{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px solid var(--line)}
.breakdown li:last-child{border-bottom:0}
.breakdown li.total{font-weight:800;border-top:2px solid var(--line);margin-top:4px}
.breakdown .neg{color:var(--red)}
.cta-card{margin-top:16px;background:linear-gradient(135deg,#F3EEFE,#FBF0FA);border:1px solid #E7DEF9;border-radius:12px;padding:16px}
.cta-card .t{font-weight:700;margin-bottom:4px}
.cta-card .d{font-size:13.5px;color:var(--muted);margin-bottom:12px}
/* Content */
main .section{padding:34px 0;border-top:1px solid var(--line)}
main h2{font-size:clamp(22px,3.4vw,30px);letter-spacing:-.01em;margin:0 0 18px}
main h3{font-size:19px;margin:22px 0 8px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:760px){.steps{grid-template-columns:1fr}}
.step{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
.step .n{width:32px;height:32px;border-radius:9px;background:#EFE9FC;color:var(--purple-dark);font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.prose p{color:#3d3646}.prose{max-width:760px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:4px 18px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:600;padding:14px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq details[open] summary{color:var(--purple-dark)}
.faq p{margin:0 0 16px;color:var(--muted)}
.big-cta{text-align:center;background:linear-gradient(135deg,#2A1E45,#3A2170);border-radius:20px;padding:44px 24px;color:#fff;margin:34px 0}
.big-cta h2{color:#fff;margin-bottom:10px}
.big-cta p{color:#D8CEF0;max-width:560px;margin:0 auto 22px}
.related{display:flex;flex-wrap:wrap;gap:10px}
.related a{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:14px;font-weight:600}
footer.site{border-top:1px solid var(--line);padding:30px 0;color:var(--muted);font-size:14px;text-align:center}
.note{font-size:12.5px;color:var(--muted);margin-top:12px}