/* paintbynumbers.info — core stylesheet */
:root{
  --ink:#141b2d;
  --ink-2:#3d465e;
  --muted:#6b7590;
  --line:#e6e3dc;
  --bg:#fffdf8;
  --bg-2:#f7f3ea;
  --brand:#e2542c;
  --brand-dark:#c4441f;
  --accent:#1f7a6b;
  --radius:16px;
  --shadow:0 6px 24px rgba(20,27,45,.08);
  --shadow-lg:0 18px 48px rgba(20,27,45,.14);
  --wrap:1120px;
  --font:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{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);
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-dark);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.18;margin:0 0 .5em;letter-spacing:-.02em;font-weight:800}
h1{font-size:clamp(2.1rem,5.2vw,3.6rem)}
h2{font-size:clamp(1.6rem,3.4vw,2.4rem)}
h3{font-size:clamp(1.15rem,2vw,1.4rem)}
p{margin:0 0 1em}
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:20px}
.narrow{max-width:760px}
.center{text-align:center}
.muted{color:var(--muted)}
.lead{font-size:1.15rem;color:var(--ink-2)}
section{padding:72px 0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:10px 16px;z-index:200}
.skip:focus{left:8px;top:8px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:14px 28px;border-radius:999px;font-weight:700;font-size:1rem;
  border:2px solid transparent;cursor:pointer;transition:.18s ease;text-decoration:none;
  font-family:inherit;line-height:1.2;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(226,84,44,.28)}
.btn-primary:hover{background:var(--brand-dark)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);}
.btn-lg{padding:17px 38px;font-size:1.08rem}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,253,248,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.06rem;color:var(--ink);letter-spacing:-.02em}
.logo:hover{text-decoration:none}
.logo-mark{width:32px;height:32px;flex:none}
.nav-links{display:flex;gap:24px;margin-left:auto;align-items:center}
.nav-links a{color:var(--ink-2);font-weight:600;font-size:.95rem}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--brand-dark);text-decoration:none}
.nav-cta{margin-left:8px}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 10px;cursor:pointer}
@media(max-width:860px){
  .nav-toggle{display:block}
  .nav-links{
    position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 18px;display:none;box-shadow:var(--shadow)
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 0;border-bottom:1px solid var(--line)}
  .nav-cta{margin:12px 0 0}
}

/* ---------- hero ---------- */
.hero{padding:76px 0 60px;background:linear-gradient(180deg,#fff8ec 0%,var(--bg) 100%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero p.lead{max-width:52ch}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0 18px}
.badges{display:flex;gap:18px;flex-wrap:wrap;font-size:.92rem;color:var(--muted);font-weight:600}
.badges span::before{content:"✓";color:var(--accent);font-weight:800;margin-right:6px}
.hero-img{border-radius:var(--radius);box-shadow:var(--shadow-lg);overflow:hidden;background:#fff}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:34px}}

/* ---------- generic blocks ---------- */
.alt{background:var(--bg-2)}
.grid{display:grid;gap:24px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:880px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.g3,.g4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.card h3{margin-bottom:.35em}
.card p:last-child{margin-bottom:0}
.step-num{display:inline-flex;width:38px;height:38px;border-radius:50%;background:var(--brand);color:#fff;font-weight:800;align-items:center;justify-content:center;margin-bottom:14px}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.gallery img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;aspect-ratio:1/1;object-fit:cover}
@media(max-width:760px){.gallery{grid-template-columns:repeat(2,1fr)}}
.split{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.split img{border-radius:var(--radius);box-shadow:var(--shadow)}
@media(max-width:880px){.split{grid-template-columns:1fr;gap:28px}}
.pills{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:22px 0 0}
.pills li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-weight:600;font-size:.92rem}

/* ---------- faq ---------- */
.faq{max-width:820px;margin-inline:auto}
details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin-bottom:12px}
details[open]{box-shadow:var(--shadow)}
summary{cursor:pointer;font-weight:700;font-size:1.05rem;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:flex-start}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:1.5rem;line-height:1;color:var(--brand);font-weight:700}
details[open] summary::after{content:"–"}
details > *:not(summary){margin-top:12px}
details p:last-child{margin-bottom:0}

/* ---------- cta band ---------- */
.band{background:var(--ink);color:#fff;border-radius:24px;padding:56px 40px;text-align:center}
.band h2{color:#fff}
.band p{color:#c8cdda;max-width:56ch;margin-inline:auto}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding:52px 0 28px;font-size:.94rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
@media(max-width:800px){.foot-grid{grid-template-columns:1fr 1fr}}
.foot-grid h4{font-size:.85rem;text-transform:uppercase;letter-spacing:.09em;color:var(--muted)}
.foot-grid ul{list-style:none;padding:0;margin:0}
.foot-grid li{margin-bottom:9px}
.foot-grid a{color:var(--ink-2)}
.copyright{border-top:1px solid var(--line);margin-top:34px;padding-top:20px;color:var(--muted);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* ---------- breadcrumb ---------- */
.crumb{font-size:.88rem;color:var(--muted);padding:16px 0 0}
.crumb a{color:var(--muted)}

/* ---------- generator ---------- */
.gen-layout{display:grid;grid-template-columns:320px 1fr;gap:28px;align-items:start}
@media(max-width:940px){.gen-layout{grid-template-columns:1fr}}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);position:sticky;top:88px}
@media(max-width:940px){.panel{position:static}}
.field{margin-bottom:20px}
.field label{display:flex;justify-content:space-between;font-weight:700;font-size:.9rem;margin-bottom:8px}
.field .val{color:var(--brand-dark);font-variant-numeric:tabular-nums}
input[type=range]{width:100%;accent-color:var(--brand)}
select,input[type=text]{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:.95rem;background:#fff;color:var(--ink)}
.drop{
  border:2px dashed #d6d0c3;border-radius:var(--radius);padding:34px 18px;text-align:center;
  background:var(--bg-2);cursor:pointer;transition:.18s;margin-bottom:20px
}
.drop:hover,.drop.hot{border-color:var(--brand);background:#fff5f0}
.drop strong{display:block;font-size:1.02rem;margin-bottom:4px}
.drop small{color:var(--muted)}
.stage{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);min-height:420px;display:flex;flex-direction:column}
.tabs{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}
.tab{padding:9px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;font-weight:700;font-size:.9rem;cursor:pointer;font-family:inherit;color:var(--ink-2)}
.tab[aria-selected="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.canvas-box{flex:1;display:flex;align-items:center;justify-content:center;background:#f4f2ec;
  border-radius:12px;padding:14px;overflow:auto}
.canvas-box canvas{max-width:100%;height:auto;box-shadow:0 2px 14px rgba(0,0,0,.12);background:#fff}
.empty{color:var(--muted);text-align:center;padding:60px 20px}
.empty svg{margin:0 auto 14px}
.palette{display:grid;grid-template-columns:repeat(auto-fill,minmax(108px,1fr));gap:10px;margin-top:18px}
.sw{display:flex;align-items:center;gap:9px;border:1px solid var(--line);border-radius:10px;padding:7px 9px;font-size:.82rem;background:#fff}
.chip{width:26px;height:26px;border-radius:7px;border:1px solid rgba(0,0,0,.14);flex:none;display:flex;align-items:center;justify-content:center;font-size:.72rem;font-weight:800}
.bar{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.status{margin-top:12px;font-size:.9rem;color:var(--muted);min-height:1.4em}
.progress{height:6px;background:var(--bg-2);border-radius:99px;overflow:hidden;margin-top:10px;display:none}
.progress.on{display:block}
.progress i{display:block;height:100%;width:0;background:var(--brand);transition:width .25s}
.note{font-size:.86rem;color:var(--muted);background:var(--bg-2);border-radius:12px;padding:12px 14px}

/* ---------- mixer ---------- */
.mix-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
@media(max-width:820px){.mix-grid{grid-template-columns:1fr}}
.mix-preview{height:130px;border-radius:14px;border:1px solid var(--line);margin-bottom:16px}
.mix-row{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.mix-row .name{width:74px;font-weight:700;font-size:.9rem}
.mix-bar{flex:1;height:14px;background:var(--bg-2);border-radius:99px;overflow:hidden}
.mix-bar i{display:block;height:100%}
.mix-row .pct{width:52px;text-align:right;font-variant-numeric:tabular-nums;font-weight:700;font-size:.9rem}

/* ---------- article ---------- */
.article{max-width:760px;margin-inline:auto}
.article h2{margin-top:1.6em}
.article ul,.article ol{padding-left:1.3em}
.article li{margin-bottom:.5em}
.toc{background:var(--bg-2);border-radius:14px;padding:20px 24px}
.toc ul{margin:0;padding-left:1.1em}
table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:.95rem}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
th{background:var(--bg-2);font-weight:700}

/* ---------- cookie bar ---------- */
.cookie{
  position:fixed;left:16px;right:16px;bottom:16px;z-index:120;background:#fff;border:1px solid var(--line);
  border-radius:16px;box-shadow:var(--shadow-lg);padding:18px 22px;display:none;gap:16px;align-items:center;
  max-width:760px;margin-inline:auto;font-size:.92rem
}
.cookie.on{display:flex}
body.has-cookie{padding-bottom:120px}
.cookie p{margin:0;flex:1}
.cookie .btn{padding:10px 18px;font-size:.9rem}
@media(max-width:640px){.cookie{flex-direction:column;align-items:stretch;text-align:left}}
@media print{.site-header,.site-footer,.cookie,.bar,.panel{display:none!important}}