:root{
  --violet:#7c3aed; --violet-dark:#6d28d9; --pink:#db2777; --pink-dark:#be185d;
  --soft:#f5f3ff; --soft-pink:#fdf2f8;
  --slate:#0f172a; --muted:#64748b; --line:#e7e2f5; --bg:#fbfaff;
  --card:#ffffff; --green:#059669; --radius:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,Arial,sans-serif;
  color:var(--slate);background:var(--bg);line-height:1.6;font-size:16px}
a{color:var(--violet);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:0 18px}
/* header */
.site-header{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:64px}
.brand{font-weight:800;font-size:1.25rem;color:var(--slate);display:flex;align-items:center;gap:8px}
.brand .logo{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--violet),var(--pink));
  display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:16px}
nav.main{display:flex;gap:4px;align-items:center;flex-wrap:wrap}
nav.main a{color:var(--slate);font-weight:600;padding:8px 10px;border-radius:10px;font-size:.92rem}
nav.main a:hover{background:var(--soft);text-decoration:none;color:var(--violet-dark)}
#navToggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;font-size:1.3rem;
  padding:6px 12px;cursor:pointer;color:var(--slate)}
/* hero */
.hero{background:linear-gradient(135deg,#7c3aed 0%,#a855f7 45%,#db2777 100%);color:#fff;padding:56px 0 64px}
.hero h1{margin:0 0 12px;font-size:2.1rem;line-height:1.2;letter-spacing:-.02em}
.hero p.sub{opacity:.95;font-size:1.08rem;max-width:640px;margin:0 0 24px}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap;font-size:.85rem}
.hero-badges span{background:rgba(255,255,255,.18);padding:6px 14px;border-radius:999px}
/* tool cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px;margin:36px 0}
.tool-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:transform .15s,box-shadow .15s}
.tool-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(168,85,247,.16);text-decoration:none}
.tool-card .icon{font-size:2rem;margin-bottom:10px}
.tool-card h3{margin:0 0 8px;font-size:1.15rem;color:var(--slate)}
.tool-card p{margin:0;color:var(--muted);font-size:.94rem}
/* tool page layout */
.tool-hero{background:linear-gradient(135deg,#7c3aed,#a855f7 55%,#db2777);color:#fff;padding:40px 0}
.tool-hero h1{margin:0 0 8px;font-size:1.8rem;letter-spacing:-.02em}
.tool-hero p{margin:0;opacity:.93;max-width:680px}
.calculator{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;margin:-34px 0 30px;box-shadow:0 10px 30px rgba(76,29,149,.10);position:relative}
.field{margin-bottom:16px}
.field label{display:block;font-weight:700;margin-bottom:6px;font-size:.95rem}
.field input,.field select{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;
  font-size:1rem;font-family:inherit}
.field input:focus,.field select:focus{outline:none;border-color:var(--violet);box-shadow:0 0 0 3px var(--soft)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.btn{background:linear-gradient(135deg,var(--violet),var(--pink));color:#fff;border:none;border-radius:12px;padding:13px 26px;
  font-size:1rem;font-weight:700;cursor:pointer;width:100%}
.btn:hover{filter:brightness(1.07)}
.btn-ghost{background:var(--soft);color:var(--violet-dark)}
.btn-ghost:hover{background:#ede9fe;filter:none}
.result{background:#f0fdf4;border:1.5px solid #bbf7d0;border-radius:12px;padding:18px;margin-top:18px;display:none}
.result.show{display:block}
.result .big{font-size:1.9rem;font-weight:800;color:var(--green)}
.result .detail{color:var(--muted);font-size:.92rem;margin-top:6px}
.tabs{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}
.tabs button{border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:9px 18px;
  font-weight:700;cursor:pointer;font-size:.92rem;color:var(--slate)}
.tabs button.active{background:var(--violet);border-color:var(--violet);color:#fff}
/* dynamic rows, stat cards, tables, textarea */
.field textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;
  font-size:1rem;font-family:inherit;min-height:170px;resize:vertical}
.field textarea:focus{outline:none;border-color:var(--violet);box-shadow:0 0 0 3px var(--soft)}
.field textarea.out{background:#faf8ff}
.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(138px,1fr));gap:12px;margin-top:4px}
.stat{background:var(--soft);border-radius:12px;padding:14px 10px;text-align:center}
.stat .num{font-size:1.45rem;font-weight:800;color:var(--violet-dark);line-height:1.2}
.stat .lab{font-size:.8rem;color:var(--muted);font-weight:700;margin-top:3px}
table.bagtable{width:100%;border-collapse:collapse;margin-top:10px;font-size:.95rem}
table.bagtable th,table.bagtable td{border:1px solid var(--line);padding:8px 10px;text-align:left}
table.bagtable th{background:var(--soft)}
.topwords{margin-top:16px}
.topwords li{color:#334155}
.btnrow{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 14px}
.btn-small{background:var(--soft);color:var(--violet-dark);border:none;border-radius:10px;
  padding:9px 16px;font-weight:700;cursor:pointer;font-size:.9rem}
.btn-small:hover{background:#ede9fe}
.checks{display:flex;gap:18px;flex-wrap:wrap;margin:6px 0 14px;font-size:.95rem}
.checks label{font-weight:600;display:flex;gap:7px;align-items:center;cursor:pointer}
.checks input{width:17px;height:17px;accent-color:var(--violet)}
.platform{display:flex;justify-content:space-between;align-items:center;gap:10px;
  padding:11px 14px;border:1px solid var(--line);border-radius:10px;margin-bottom:8px;background:#fff}
.platform .pname{font-weight:700}
.platform .pcount{color:var(--muted);font-size:.88rem;text-align:right}
.badge{display:inline-block;padding:2px 11px;border-radius:999px;font-size:.78rem;font-weight:800;white-space:nowrap}
.badge.ok{background:#dcfce7;color:#166534}
.badge.over{background:#fee2e2;color:#991b1b}
.badge.near{background:#fef9c3;color:#854d0e}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;word-break:break-all;
  background:#faf8ff;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:.95rem}
.note{font-size:.88rem;color:var(--muted)}
/* content sections */
.section{margin:40px 0}
.section h2{font-size:1.45rem;margin:0 0 14px;letter-spacing:-.01em}
.prose{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.prose h3{margin:22px 0 8px;font-size:1.1rem}
.prose h3:first-child{margin-top:0}
.prose p,.prose li{color:#334155}
.faq details{border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:10px;background:#fff}
.faq summary{font-weight:700;cursor:pointer}
/* footer */
.site-footer{background:var(--slate);color:#cbd5e1;padding:40px 0;margin-top:60px}
.site-footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
.site-footer h4{color:#fff;margin:0 0 12px;font-size:1rem}
.site-footer a{color:#cbd5e1;display:block;margin-bottom:8px;font-size:.93rem}
.site-footer p{font-size:.9rem;margin:0 0 10px}
.bottom-bar{border-top:1px solid #1e293b;margin-top:28px;padding-top:18px;font-size:.85rem;color:#94a3b8}
/* breadcrumbs */
.crumbs{font-size:.85rem;color:var(--muted);margin:18px 0 0}
.crumbs a{color:var(--muted)}
@media(max-width:760px){
  nav.main{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;
    flex-direction:column;align-items:stretch;padding:10px 18px 18px;border-bottom:1px solid var(--line)}
  nav.main.open{display:flex}
  nav.main a{padding:12px}
  #navToggle{display:block}
  .hero h1{font-size:1.65rem}
  .field-row{grid-template-columns:1fr}
  .site-footer .wrap{grid-template-columns:1fr}
  .calculator{margin-top:-24px;padding:20px}
  .platform{flex-direction:column;align-items:flex-start}
  .platform .pcount{text-align:left}
}
/* ============ Redesign: slim sticky header, Tools mega-menu, motion, network ============ */
.site-header{box-shadow:0 2px 16px rgba(76,29,149,.08)}
.site-header .wrap{min-height:60px;gap:14px}
.brand{flex:0 0 auto;white-space:nowrap}
.brand .logo{flex:0 0 auto}
nav.main{flex-wrap:nowrap;margin-left:auto;gap:2px}
nav.main>a,.nav-top{display:inline-flex;align-items:center;color:var(--slate);font-weight:600;
  padding:9px 12px;border-radius:10px;font-size:.93rem;white-space:nowrap;min-height:44px}
nav.main>a:hover,.nav-top:hover{background:var(--soft);text-decoration:none;color:var(--violet-dark)}
.nav-drop{position:relative}
.caret{font-size:.68rem;margin-left:5px;color:var(--muted)}
.mega{position:absolute;top:calc(100% + 10px);left:50%;transform:translate(-50%,8px);
  width:560px;max-width:88vw;background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:0 24px 50px rgba(76,29,149,.18);padding:12px;z-index:60;
  display:grid;grid-template-columns:1fr 1fr;gap:2px 8px;
  opacity:0;visibility:hidden;transition:opacity .25s ease,transform .25s ease,visibility .25s}
.mega::before{content:"";position:absolute;top:-12px;left:0;right:0;height:12px}
.mega-col{min-width:0}
.nav-drop:hover .mega,.nav-drop:focus-within .mega{opacity:1;visibility:visible;transform:translate(-50%,0)}
.mega a{display:block;padding:9px 12px;border-radius:10px;color:var(--slate);font-weight:600;font-size:.92rem}
.mega a:hover{background:var(--soft);color:var(--violet-dark);text-decoration:none}
/* hero call-to-action */
.btn-hero{display:inline-flex;align-items:center;gap:9px;background:#fff;color:var(--violet-dark);
  font-weight:800;font-size:1.02rem;padding:14px 30px;border-radius:999px;min-height:52px;
  box-shadow:0 12px 26px rgba(31,4,66,.25);transition:transform .25s ease,box-shadow .25s ease;margin:0 0 24px}
.btn-hero:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 18px 34px rgba(31,4,66,.30);text-decoration:none}
/* buttons: gradient, shine sweep, gentle lift */
.btn{position:relative;overflow:hidden;min-height:50px;
  transition:transform .25s ease,box-shadow .25s ease,filter .25s ease}
.btn::after{content:"";position:absolute;top:0;left:-70%;width:45%;height:100%;
  background:linear-gradient(105deg,transparent,rgba(255,255,255,.45),transparent);
  transform:skewX(-20deg);transition:left .5s ease}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(168,85,247,.35)}
.btn:hover::after{left:120%}
.btn:active{transform:scale(.99)}
.btn-small{transition:transform .25s ease,background .25s ease}
.btn-small:hover{transform:translateY(-1px)}
/* tool cards: SVG icon tile + hover lift */
.tool-card{transition:transform .25s ease,box-shadow .25s ease}
.tool-card:hover{transform:translateY(-5px);box-shadow:0 18px 36px rgba(168,85,247,.20)}
.tool-card .icon{width:48px;height:48px;border-radius:13px;font-size:0;margin-bottom:14px;
  display:flex;align-items:center;justify-content:center;color:var(--violet-dark);
  background:linear-gradient(135deg,var(--soft),var(--soft-pink));border:1px solid var(--line)}
.tool-card .icon svg{width:25px;height:25px;flex:0 0 auto}
/* gentle entrance motion (pure CSS keyframes) */
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.hero h1{animation:rise .55s ease both}
.hero p.sub{animation:rise .55s .08s ease both}
.hero .btn-hero{animation:rise .55s .16s ease both}
.hero-badges{animation:rise .55s .24s ease both}
.tool-hero h1{animation:rise .5s ease both}
.tool-hero p{animation:rise .5s .08s ease both}
.grid .tool-card{animation:rise .55s ease both}
.grid .tool-card:nth-child(2){animation-delay:.05s}
.grid .tool-card:nth-child(3){animation-delay:.10s}
.grid .tool-card:nth-child(4){animation-delay:.15s}
.grid .tool-card:nth-child(5){animation-delay:.20s}
.grid .tool-card:nth-child(6){animation-delay:.25s}
.grid .tool-card:nth-child(7){animation-delay:.30s}
.grid .tool-card:nth-child(8){animation-delay:.35s}
.grid .tool-card:nth-child(9){animation-delay:.40s}
.grid .tool-card:nth-child(10){animation-delay:.45s}
/* cross-link network section (sits directly above the footer) */
.network{margin-top:56px;background:linear-gradient(135deg,var(--soft),var(--soft-pink));
  border-top:1px solid var(--line);padding:40px 0 44px}
.network h2{font-size:1.3rem;margin:0 0 6px;letter-spacing:-.01em}
.network p{margin:0;color:var(--muted);font-size:.95rem}
.network-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-top:18px}
.network-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px 16px;
  font-weight:700;color:var(--slate);display:flex;align-items:center;gap:8px;
  transition:transform .25s ease,box-shadow .25s ease}
.network-card::after{content:"\2192";margin-left:auto;color:var(--muted)}
.network-card:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(168,85,247,.16);
  text-decoration:none;color:var(--violet-dark)}
.site-footer{margin-top:0}
@media(max-width:760px){
  .mega{position:static;transform:none;opacity:1;visibility:visible;width:auto;max-width:none;
    box-shadow:none;border:none;background:transparent;padding:2px 0 6px;display:block}
  .mega::before{display:none}
  .mega a{padding:10px 12px;font-size:.95rem}
  .nav-top{font-weight:800;color:var(--violet-dark)}
  .btn-hero{width:100%;justify-content:center}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;
    transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}