/* ===== 3DFILE.link print — professional SaaS template ===== */
:root{
  --bg:#ffffff;
  --bg-alt:#f6f8fb;
  --fg:#0f172a;
  --muted:#64748b;
  --accent:#2563eb;
  --accent-2:#1d4ed8;
  --border:#e2e8f0;
  --card:#ffffff;
  --radius:14px;
  --shadow:0 1px 3px rgba(15,23,42,0.06);
  --shadow-lg:0 12px 32px rgba(15,23,42,0.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  background:var(--bg);
  color:var(--fg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
body{background:linear-gradient(180deg,#ffffff 0%,#f6f8fb 100%)}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}

/* ===== Container ===== */
.container-print,.container{max-width:1360px;margin:0 auto;padding:0 28px}

/* ===== Header ===== */
.header-print{
  background:rgba(255,255,255,0.95);
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 4px rgba(15,23,42,0.05);
  position:sticky;top:0;z-index:100;
  backdrop-filter:blur(10px);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.logo-link{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;color:var(--fg);letter-spacing:-0.02em}
.logo-link:hover{color:var(--accent)}
.logo{width:46px;height:46px;object-fit:contain}
/* Spójny header z głównym: zakładki + guziki auth (jak na / ) */
.nav-print{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.nav-link-print{
  display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border:none;background:none;
  font-size:14px;font-weight:500;color:var(--muted);border-radius:8px;cursor:pointer;text-decoration:none;transition:all .15s;
}
.nav-link-print:hover{background:var(--bg-alt);color:var(--fg)}
.nav-link-print.active{background:var(--accent);color:#fff;font-weight:600}
.btn-nav-print{padding:7px 14px;border-radius:var(--radius);font-size:13px;font-weight:600;cursor:pointer;text-decoration:none;color:var(--fg);border:1px solid var(--border);background:var(--card);display:inline-block}
.btn-nav-print:hover{border-color:var(--accent);color:var(--accent)}
.btn-nav-print.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-nav-print.primary:hover{background:var(--accent-2)}
.nav-print,.nav{display:flex;gap:8px;align-items:center}
.nav-link{
  padding:10px 16px;border-radius:8px;color:var(--muted);font-weight:500;font-size:14px;
  transition:all 0.15s;
}
.nav-link:hover{background:var(--bg-alt);color:var(--fg)}
.nav-link.active{background:var(--accent);color:#fff;font-weight:600}

/* ===== Hero ===== */
.hero-print{
  padding:64px 0 56px;
  display:grid;grid-template-columns:1.1fr 0.9fr;gap:40px;align-items:center;
}
.hero-text h1{font-size:40px;font-weight:800;letter-spacing:-0.03em;line-height:1.15;color:var(--fg)}
.hero-text h1 .grad{background:linear-gradient(120deg,#2563eb,#7c3aed);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-desc{font-size:17px;color:var(--muted);max-width:520px;margin:16px 0 0;line-height:1.55}
.hero-cta{
  display:inline-block;margin:20px 0 0;padding:14px 28px;border:none;cursor:pointer;
  background:var(--accent);color:#fff;font-weight:600;font-size:16px;border-radius:12px;
  box-shadow:0 4px 14px rgba(37,99,235,0.25);transition:all 0.15s;
}
.hero-cta:hover{background:var(--accent-2);transform:translateY(-2px)}
.hero-cta::after{content:" →"}
.hero-image{
  background:linear-gradient(135deg,#eef2ff 0%,#e6e9ff 60%,#ffffff 100%);
  border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;display:flex;align-items:center;justify-content:center;min-height:260px;
}
.hero-image img{width:100%;max-width:360px;opacity:0.95}

/* ===== Section headers ===== */
.section-head{display:flex;flex-direction:column;gap:4px;margin:8px 0 28px;align-items:center;text-align:center;max-width:1300px;margin-left:auto;margin-right:auto}
.section-kicker{font-size:12px;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:0.08em}
section h2,.section-head h2{font-size:26px;font-weight:700;letter-spacing:-0.02em;color:var(--fg)}
.section-sub{font-size:15px;color:var(--muted);max-width:640px;text-align:center;margin:0 auto}

/* ===== How it works ===== */
.how-print{padding:56px 0;background:var(--bg-alt);border-radius:0}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:8px}
@media(max-width:860px){.steps-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.steps-grid{grid-template-columns:1fr}}
.step-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;transition:all 0.15s;box-shadow:var(--shadow);
}
.step-card:hover{border-color:var(--accent);box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.step-num{
  width:36px;height:36px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;border-radius:10px;
  font-weight:700;font-size:17px;margin-bottom:12px;
}
.step-card h3{font-size:16px;font-weight:600;margin:0 0 8px;color:var(--fg)}
.step-card p{font-size:13.5px;color:var(--muted);line-height:1.5}

/* ===== Materials ===== */
.materials-print{padding:40px 0;margin:0}
.tolerance-note{
  background:#fff7ed;border:1px solid #fdba74;border-left:4px solid #f97316;
  border-radius:10px;padding:14px 18px;margin:0 0 24px;font-size:13.5px;color:#7c3a1a;line-height:1.5;
}
.material-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:16px}
.material-card{
  background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px;
  transition:all 0.15s;box-shadow:var(--shadow);
}
.material-card:hover{border-color:var(--accent);box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.material-card strong{font-size:15px;color:var(--fg)}
.material-card .price{color:var(--accent);font-weight:600}
.material-card .desc{display:block;color:var(--muted);font-size:12.5px;line-height:1.45;margin-top:6px}
.mat-colors{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.mat-chip{display:inline-flex;align-items:center;gap:6px;padding:5px 11px 5px 5px;border:1px solid var(--border);border-radius:999px;background:var(--card);color:var(--fg);font-size:12px;line-height:1;cursor:default}
.mat-chip:hover{border-color:var(--accent)}
.mat-dot{width:14px;height:14px;border-radius:50%;background:var(--sw,#94a3b8);display:inline-block;flex:0 0 auto;border:1px solid rgba(0,0,0,.08)}
.mat-prem{color:var(--accent);font-weight:600;margin-left:2px}
.mat-chip{white-space:nowrap}
.colors-block{margin-top:28px;padding-top:24px;border-top:1px solid var(--border)}
.colors-block:empty{display:none}
.colors-head{margin-bottom:14px}
.colors-head h3{margin:0 0 4px;font-size:17px;letter-spacing:-.01em}
.colors-head p{margin:0;font-size:13px;color:var(--muted);max-width:60ch}

/* ===== Shipping ===== */
.shipping-print{padding:40px 0;margin:0}
.shipping-table{width:100%;border-collapse:separate;border-spacing:0;font-size:14.5px;background:var(--card);border-radius:12px;overflow:hidden}
.shipping-table thead th{background:var(--bg-alt);padding:14px 16px;text-align:left;font-weight:600;color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:0.05em}
.shipping-table td{padding:13px 16px;border-bottom:1px solid var(--border)}
.shipping-table tbody tr:last-child td{border-bottom:none}
.shipping-table tbody tr:hover td{background:#f1f5f9}

/* ===== Footer ===== */
.footer-print{
  border-top:2px solid var(--border);background:var(--bg-alt);
  padding:32px 0 40px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
}
.footer-print .copyright{font-size:13.5px;color:var(--muted)}
.footer-print a{font-size:13px;color:var(--muted)}
.footer-print a:hover{color:var(--fg)}

/* ===== Modal / Forms ===== */
.modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,0.6);display:none;align-items:center;justify-content:center;z-index:999;padding:16px;backdrop-filter:blur(4px)}
.modal-backdrop.active{display:flex}
.modal{background:#fff;border-radius:18px;max-width:640px;width:100%;padding:28px;box-shadow:var(--shadow-lg);position:relative;max-height:92vh;overflow-y:auto}
.modal h2{font-size:22px;font-weight:700;margin:0 0 20px}
.close-btn{position:absolute;top:18px;right:18px;background:#f1f5f9;border:none;width:34px;height:34px;border-radius:50%;font-size:18px;color:var(--muted);cursor:pointer;line-height:1}
.close-btn:hover{background:#fde8e8;color:#dc2626}
.dropzone{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:30px 18px;border:2px dashed #bfdbfe;border-radius:12px;background:#eff6ff;
  cursor:pointer;text-align:center;transition:all 0.15s;
}
.dropzone:hover,.dropzone:focus{border-color:var(--accent);background:#e0edff}
.dropzone .dz-icon{font-size:26px}
.dropzone strong{font-size:15.5px;font-weight:600;margin-top:8px}
.dropzone span{font-size:12.5px;color:var(--muted)}
.file-status{display:block;font-size:12.5px;color:var(--muted);margin:4px 0}
.model-summary{font-size:13px;background:#ecfdf5;border:1px solid #a7f3d0;border-radius:10px;padding:11px 15px;margin:8px 0}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-group{margin-bottom:13px}
.form-group label{font-size:13px;font-weight:500;color:var(--fg);display:block;margin-bottom:5px}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:11px 13px;border:1px solid var(--border);border-radius:9px;
  font-size:14px;background:#fff;color:var(--fg);transition:border-color 0.15s;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,0.12);outline:none}
.form-group textarea{min-height:84px;resize:vertical}
.material-note{font-size:12.5px;color:#374151;background:#eff6ff;border:1px solid #bfdbfe;border-radius:8px;padding:9px 13px;margin:8px 0}
.tolerance-note-inline{font-size:11.5px;color:var(--muted);margin:5px 0}
.currency-btn{padding:8px 14px;border:1px solid var(--border);border-radius:8px;background:var(--bg-alt);font-size:13px;cursor:pointer;transition:all 0.15s}
.currency-btn.active{background:var(--accent);color:#fff;border-color:transparent}
.price-summary{background:#f8fafc;border:1px solid var(--border);border-radius:12px;padding:15px;margin:14px 0}
.price-row{display:flex;justify-content:space-between;padding:6px 0;font-size:14px;color:var(--fg)}
.price-total{display:flex;justify-content:space-between;padding:11px 0 4px;border-top:1px solid var(--border);font-weight:700;font-size:18px;color:var(--fg)}
.price-hint{font-size:12px;color:var(--muted);padding:5px 0 0}
.vat-note{font-size:11px;color:var(--muted);padding-top:8px}
.fx-note{font-size:11px;color:var(--muted);padding-top:2px}
.submit-btn{
  width:100%;padding:14px;background:var(--accent);color:#fff;border:none;border-radius:11px;
  font-size:15.5px;font-weight:600;cursor:pointer;transition:all 0.15s;
}
.submit-btn:hover{background:var(--accent-2);box-shadow:0 4px 14px rgba(37,99,235,0.2)}

/* ===== Admin ===== */
#adminPanel{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);padding:26px;margin:12px 0}
.admin-tabs{display:flex;gap:4px;border-bottom:2px solid var(--border);margin-bottom:16px;flex-wrap:wrap}
.admin-tab-btn{padding:11px 18px;border:none;background:transparent;border-bottom:2px solid transparent;font-size:14px;font-weight:500;color:var(--muted);cursor:pointer}
.admin-tab-btn:hover{color:var(--fg)}
.admin-tab-btn.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}
#adminPanel table{width:100%;border-collapse:collapse;font-size:13px;background:#fff;border-radius:10px;overflow:hidden}
#adminPanel th{background:var(--bg-alt);padding:10px;text-align:left;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:0.04em}
#adminPanel td{padding:10px;border-bottom:1px solid var(--border);vertical-align:top}
#adminPanel input,#adminPanel select{background:#fff;border:1px solid var(--border);border-radius:8px;padding:8px;font-size:13px}
#adminPanel button{border:1px solid var(--border);border-radius:8px;padding:7px 12px;background:#fff;cursor:pointer;font-size:12.5px}

/* ===== Toast ===== */
.toast-print{position:fixed;bottom:26px;right:26px;z-index:9999;display:flex;flex-direction:column;gap:8px}
.toast{background:var(--fg);color:#fff;padding:12px 18px;border-radius:10px;font-size:13px;opacity:0;transform:translateY(10px);animation:toast-in 0.2s forwards;box-shadow:var(--shadow-lg)}
.toast.success{background:#059669}
.toast.error{background:#dc2626}
.toast.warning{background:#d97706}
.toast.info{background:#2563eb}
@keyframes toast-in{to{opacity:1;transform:translateY(0)}}

/* ===== Responsive ===== */
@media(max-width:820px){
  .hero-print{grid-template-columns:1fr;padding:36px 0;text-align:center}
  .hero-desc{margin-left:auto;margin-right:auto}
  .hero-cta{margin-left:auto;margin-right:auto}
  .hero-cta::after{content:""}
  .hero-text h1{font-size:30px}
  .header-inner{flex-wrap:wrap;gap:12px;padding:12px 0;height:auto}
}
@media(max-width:600px){
  .nav-print{display:none}
  .form-row{grid-template-columns:1fr}
  .material-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}
  .printing-content .hero-text h1{font-size:27px}
}
/* ===== Scroll reveal (subtle, professional) ===== */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion: reduce){ .reveal{opacity:1;transform:none} }

/* === Interaktywne menu mobilne (hamburger) === */
.nav-burger{display:none;background:none;border:1px solid var(--border);border-radius:9px;cursor:pointer;padding:8px 10px;margin-left:auto;font-size:20px;line-height:1;color:var(--fg)}
@media(max-width:900px){
  .nav-print{display:none;position:absolute;top:100%;left:0;right:0;background:var(--card);border-bottom:1px solid var(--border);box-shadow:0 12px 24px rgba(15,23,42,.12);padding:10px 16px;flex-direction:column;align-items:stretch!important;gap:2px}
  .nav-print.open{display:flex}
  .nav-print .nav-link-print,.nav-print .btn-nav-print{width:100%;text-align:left;padding:12px 10px!important;font-size:15px}
  .nav-burger{display:inline-flex;align-items:center;gap:6px}
  .header-print{position:relative}
}

/* === Profesjonalna stopka (spójna z całym serwisem) === */
.site-footer{background:#0f172a;color:#94a3b8;margin-top:56px;padding:48px 0 0}
.site-footer .sf-in{max-width:1360px;margin:0 auto;padding:0 28px;display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:32px}
.site-footer .sf-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;margin-bottom:14px}
.site-footer .sf-about{font-size:13.5px;line-height:1.65;max-width:280px}
.site-footer h4{color:#fff;font-size:13px;letter-spacing:.5px;text-transform:uppercase;margin:0 0 14px;font-weight:700}
.site-footer .sf-col a,.site-footer .sf-col span{display:block;color:#94a3b8;font-size:13.5px;line-height:1.7;text-decoration:none;margin-bottom:6px}
.site-footer .sf-col a:hover{color:#7dd3fc;text-decoration:none}
.site-footer .sf-bottom{border-top:1px solid #1e293b;margin-top:36px;padding:18px 28px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12.5px;color:#64748b;max-width:1360px;margin-left:auto;margin-right:auto}
@media(max-width:900px){.site-footer .sf-in{grid-template-columns:1fr 1fr;gap:24px;padding:0 20px}.site-footer .sf-bottom{padding:16px 20px}}
@media(max-width:520px){.site-footer .sf-in{grid-template-columns:1fr}}