/* Kastrava — Google/Material 3 design system.
   Loaded after each page's legacy <style> so these rules win ties; page markup
   is untouched. Light-first (Google is light), Roboto body + Rubik display,
   Google blue, soft elevation shadows, pill buttons, generous whitespace.
   Every legacy variable/class is preserved so all pages keep working. */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&family=DM+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&family=Noto+Sans+JP:wght@400;500;700&family=Noto+Sans+KR:wght@400;500;700&family=Noto+Sans+SC:wght@400;500;700&display=swap');

:root{
  /* Material elevation shadows */
  --e1:0 1px 2px 0 rgba(60,64,67,.30), 0 1px 3px 1px rgba(60,64,67,.15);
  --e2:0 1px 2px 0 rgba(60,64,67,.30), 0 2px 6px 2px rgba(60,64,67,.15);
  --e3:0 4px 8px 3px rgba(60,64,67,.15), 0 1px 3px rgba(60,64,67,.30);
  /* Google light (default) */
  --bg:#ffffff; --bg2:#f8f9fa; --card:#ffffff; --card2:#f1f3f4;
  --ink:#202124; --text:#3c4043; --muted:#5f6368; --muted2:#80868b;
  --line:#e8eaed; --line2:#dadce0;
  --pill:#202124; --pill-fg:#ffffff;
  --vio:#1a73e8; --cy:#1a73e8; --gold:#b06000; --blue:#1a73e8;
  --on-blue:#ffffff;
  --grad:#1a73e8;
  --glow:none;
  --r:28px; --mono:'JetBrains Mono',ui-monospace,'Noto Sans JP','Noto Sans KR','Noto Sans SC','Malgun Gothic','Microsoft YaHei',monospace;
  --navbg:rgba(255,255,255,.9);
  --sans:'Roboto',system-ui,-apple-system,'Segoe UI','Noto Sans JP','Noto Sans KR','Noto Sans SC','Hiragino Sans','Yu Gothic UI','Meiryo','Malgun Gothic','PingFang SC','Microsoft YaHei',sans-serif;
  --display:'Google Sans','Product Sans','DM Sans','Roboto','Noto Sans JP','Noto Sans KR','Noto Sans SC','Hiragino Sans','Yu Gothic UI','Meiryo','Malgun Gothic','PingFang SC','Microsoft YaHei',sans-serif;
  color-scheme:light;
}
html[data-theme="dark"]{
  --e1:0 1px 2px 0 rgba(0,0,0,.5), 0 1px 3px 1px rgba(0,0,0,.3);
  --e2:0 1px 2px 0 rgba(0,0,0,.5), 0 2px 6px 2px rgba(0,0,0,.3);
  --e3:0 4px 8px 3px rgba(0,0,0,.35), 0 1px 3px rgba(0,0,0,.5);
  --bg:#131314; --bg2:#1b1c1d; --card:#1e1f20; --card2:#282a2c;
  --ink:#e8eaed; --text:#c6c9cd; --muted:#9aa0a6; --muted2:#80868b;
  --line:#333537; --line2:#3c4043;
  --pill:#e8eaed; --pill-fg:#131314;
  --vio:#8ab4f8; --cy:#8ab4f8; --gold:#fdd663; --blue:#8ab4f8;
  --on-blue:#131314;
  --grad:#8ab4f8;
  --navbg:rgba(19,19,20,.85);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans) !important;
  background:var(--bg) !important;
  color:var(--text) !important;
  line-height:1.6; overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,.sec-title,header h1{font-family:var(--display) !important;color:var(--ink) !important;letter-spacing:-.01em;font-weight:500}
.wrap,.container{max-width:1120px !important;margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* ---- nav ---- */
nav{position:sticky;top:0;z-index:50;background:var(--navbg) !important;backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);box-shadow:var(--e1) !important;border-bottom:none !important}
nav .wrap,nav .container{display:flex !important;align-items:center;gap:10px;padding-top:14px !important;padding-bottom:14px !important}
nav img{width:34px;height:34px;border-radius:9px}
nav .name{font-family:var(--display);font-size:21px;font-weight:500;letter-spacing:-.4px;color:var(--ink) !important;text-decoration:none;text-transform:lowercase}
nav .beta{font-family:var(--mono);font-size:10px;color:var(--muted);border:1px solid var(--line2);border-radius:6px;padding:2px 7px}
nav .links{display:flex;align-items:center;gap:6px;margin-left:auto}
nav .links a{color:var(--muted) !important;text-decoration:none;font-size:14px;font-weight:500;padding:8px 12px;border-radius:100px;transition:background .15s,color .15s}
nav .links a:hover{color:var(--ink) !important;background:var(--card2)}
nav .links a.dl,nav .links a.btn{background:var(--blue) !important;color:var(--on-blue) !important;font-weight:500 !important;padding:9px 22px !important;border-radius:100px !important;text-decoration:none;font-size:14px;box-shadow:var(--e1) !important;transition:box-shadow .15s,background .15s}
nav .links a.dl:hover,nav .links a.btn:hover{background:#1765cc !important;color:var(--on-blue) !important;box-shadow:var(--e2) !important}
html[data-theme="dark"] nav .links a.dl:hover,html[data-theme="dark"] nav .links a.btn:hover{background:#9dc2fa !important}
nav .dl,nav a.btn{background:var(--blue) !important;color:var(--on-blue) !important;font-weight:500 !important;padding:9px 22px !important;border-radius:100px !important;text-decoration:none;font-size:14px;box-shadow:var(--e1) !important;transition:box-shadow .15s,background .15s}
nav .dl:hover,nav a.btn:hover{background:#1765cc !important;box-shadow:var(--e2) !important}
html[data-theme="dark"] nav .dl:hover,html[data-theme="dark"] nav a.btn:hover{background:#9dc2fa !important}
.theme-btn{display:flex;align-items:center;justify-content:center;min-width:36px;height:36px;padding:0 8px;border-radius:100px;border:none !important;background:transparent !important;color:var(--muted) !important;cursor:pointer;transition:background .15s,color .15s}
.theme-btn:hover{background:var(--card2);color:var(--ink) !important}

/* ---- hero ---- */
header{padding:80px 0 40px !important;text-align:left}
.kicker{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;color:var(--muted);border:1px solid var(--line);background:var(--card);padding:6px 14px;border-radius:100px;letter-spacing:.2px;margin-bottom:24px;box-shadow:var(--e1)}
header h1{font-size:clamp(40px,6vw,72px) !important;font-weight:500 !important;line-height:1.03 !important;margin-bottom:20px !important;letter-spacing:-.02em !important}
header h1 em,.grad-text{color:var(--blue);font-style:normal}
.lede{font-size:18px;max-width:640px;margin-bottom:32px;color:var(--text);line-height:1.6}
.lede b{color:var(--ink)}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:20px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--sans);font-weight:500;font-size:15px;padding:12px 28px;border-radius:100px;text-decoration:none;cursor:pointer;border:none;letter-spacing:.25px;transition:box-shadow .15s,background .15s}
.btn-primary,.prem-buy,#bm-acct-go,#bm-buy{background:var(--blue) !important;color:var(--on-blue) !important;box-shadow:var(--e1)}
.btn-primary:hover,.prem-buy:hover,#bm-acct-go:hover,#bm-buy:hover{background:#1765cc !important;box-shadow:var(--e2)}
html[data-theme="dark"] .btn-primary:hover,html[data-theme="dark"] .prem-buy:hover{background:#9dc2fa !important}
.btn-ghost{background:var(--card) !important;color:var(--blue) !important;border:1px solid var(--line2) !important}
.btn-ghost:hover{background:var(--bg2) !important;border-color:var(--line2)}
.go{color:var(--blue);font-weight:600}
.hero-meta{font-size:13px;color:var(--muted2) !important;margin-bottom:32px}
.spec{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:0;background:var(--card);border:1px solid var(--line);border-radius:20px;overflow:hidden;max-width:900px;box-shadow:var(--e1)}
.spec .row{background:var(--card);padding:18px 20px;display:flex;flex-direction:column;gap:3px;transition:background .15s}
.spec .row:hover{background:var(--bg2)}
.spec .k{font-size:12px;color:var(--muted);font-weight:500}.spec .v{font-size:15px;font-weight:500;color:var(--ink)}
.hero-center{text-align:center !important;padding:72px 0 44px !important}
.hero-center .wrap{display:flex;flex-direction:column;align-items:center}
.hero-center .lede{margin-left:auto;margin-right:auto;text-align:center}
.hero-center .cta-row{justify-content:center}
.hero-center .spec{margin:28px auto 0;text-align:left;width:100%}
.hero-center .hero-meta{text-align:center}

/* ---- sections ---- */
section{padding:56px 0}
.sec-title{font-size:clamp(28px,4vw,44px) !important;font-weight:500 !important;margin-bottom:12px !important;letter-spacing:-.01em !important}
.sec-sub{font-size:17px;color:var(--muted);max-width:680px;margin-bottom:36px;line-height:1.6}
.sec-sub b,.sec-sub a{color:var(--ink)}
.feat{display:flex;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:26px;margin-bottom:14px;box-shadow:var(--e1);transition:box-shadow .2s,transform .2s}
.feat:hover{box-shadow:var(--e2);transform:translateY(-1px)}
.feat .n{font-family:var(--display);font-size:14px;font-weight:600;color:var(--on-blue);background:var(--blue);width:34px;height:34px;border-radius:100px;display:flex;align-items:center;justify-content:center;height:fit-content;white-space:nowrap;flex-shrink:0}
.feat h3{font-size:19px;margin-bottom:4px;font-weight:500}
.feat p{font-size:14.5px;margin:0;color:var(--text)}

/* ---- premium / cards ---- */
.prem-card,.lic-card,.card,.band,.check{background:var(--card) !important;border:1px solid var(--line) !important;border-radius:24px !important;padding:36px !important;position:relative;box-shadow:var(--e1)}
.prem-card .tag,.tag{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:1px;color:var(--blue);border:none;background:var(--bg2);padding:5px 12px;border-radius:100px;margin-bottom:16px;font-weight:500}
.prem-card h3{font-size:26px;margin-bottom:6px;font-weight:500}
.prem-card .sub,.beta-free{font-size:14px;color:var(--muted);margin-bottom:6px}
.prem-price{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin:16px 0 8px}
.prem-price .rup{font-family:var(--display);font-size:40px;font-weight:500;color:var(--ink);letter-spacing:-.02em}
.prem-price .usd{font-size:13.5px;color:var(--muted)}
.prem-feats{list-style:none;margin:20px 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px 24px}
.prem-feats li{font-size:14px;color:var(--text);padding-left:24px;position:relative}
.prem-feats li::before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:700}
.prem-feats b{color:var(--ink)}
.plan-card{transition:border-color .15s,box-shadow .15s !important;background:var(--card2) !important;border-radius:16px !important;box-shadow:none}
.plan-card:hover{border-color:var(--blue) !important;box-shadow:var(--e1) !important}
.os-note,.fine{font-size:13px;color:var(--muted2) !important;line-height:1.5}
.prem-keyout{background:var(--bg2) !important;border:1px dashed var(--line2) !important;border-radius:16px !important;padding:22px !important;margin-top:18px}
.prem-keyout .k{font-family:var(--mono);font-size:15px;color:var(--blue);word-break:break-all;margin:8px 0}

/* ---- .check rows: label badge + text (open-source section) ---- */
.check{padding:14px 24px !important}
.check .row{display:flex;align-items:baseline;gap:14px;padding:12px 0;border-top:1px solid var(--line);font-size:14.5px;color:var(--text);line-height:1.55}
.check .row:first-child{border-top:none}
.check .row .ok{flex:0 0 auto;font-family:var(--mono);font-size:10.5px;letter-spacing:1px;font-weight:500;color:var(--blue);background:var(--bg2);border:1px solid var(--line);border-radius:100px;padding:4px 11px;white-space:nowrap;transform:translateY(-1px)}
.check .row b{color:var(--ink)}

/* ---- steps / download / faq ---- */
.prem-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:28px}
.prem-step,.os{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--e1)}
.prem-step .t{font-family:var(--mono);font-size:11px;letter-spacing:1px;color:var(--blue);margin-bottom:10px}
.prem-step h4{font-size:17px;margin-bottom:6px;color:var(--ink);font-weight:500}
.prem-step p,.os p{font-size:14px;margin:0}
.os h3{font-size:20px;margin-bottom:2px;font-weight:500}.os .plat{font-family:var(--mono);font-size:12px;color:var(--muted);margin-bottom:16px}
.dl-link{display:flex;justify-content:space-between;align-items:center;background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:13px 18px;margin-bottom:8px;color:var(--ink) !important;text-decoration:none;font-size:14.5px;font-weight:500;transition:background .15s,border-color .15s}
.dl-link:hover{border-color:var(--blue);background:var(--card)}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:16px;margin-bottom:10px;padding:18px 22px;box-shadow:var(--e1)}
.faq summary{cursor:pointer;font-weight:500;color:var(--ink);font-size:16px;font-family:var(--display)}
.faq summary::marker{color:var(--blue)}
.faq p{font-size:14.5px;margin:10px 0 2px}

/* ---- forms ---- */
input,textarea,select{font-family:inherit;border-radius:100px}
input[type="email"],input[type="password"],input[type="text"],input:not([type]),textarea{background:var(--bg2) !important;border:1px solid var(--line2) !important;color:var(--ink) !important;border-radius:14px !important}
input:focus,textarea:focus{outline:none;border-color:var(--blue) !important;background:var(--card) !important}
.msg{font-size:13.5px;color:var(--muted);margin-top:10px;min-height:18px}
.msg.err{color:#d93025}
a{color:var(--blue)}
.sub a,.lic-card a,.fine a{color:var(--blue) !important;text-decoration:none}

/* ---- admin tables / pills / misc ---- */
.adm-table{width:100%;border-collapse:collapse;font-size:13.5px}
.adm-table th{font-family:var(--mono);font-size:11px;letter-spacing:.5px;color:var(--muted);text-align:left;padding:12px 10px;border-bottom:1px solid var(--line2);font-weight:500}
.adm-table td{padding:12px 10px;border-bottom:1px solid var(--line);color:var(--text)}
.mono{font-family:var(--mono) !important}
.pill{font-family:var(--mono);font-size:11px;color:var(--muted)}
.atab{border:1px solid var(--line2) !important;background:transparent !important;color:var(--muted) !important;border-radius:100px !important}
.atab.on{background:var(--blue) !important;color:var(--on-blue) !important;border-color:transparent !important}

/* ---- store ---- */
.store-card{transition:box-shadow .2s !important;overflow:hidden;border-radius:20px !important}
.store-card:hover{box-shadow:var(--e2) !important}
.store-card h2{font-size:17px !important;font-weight:500}
#item-modal .lic-card{box-shadow:var(--e3)}

/* ---- paypal buttons: keep them card-sized, never full-bleed ---- */
#pp-buttons,#bm-pp,#pp-buy-box{max-width:380px}
#pp-buttons iframe,#bm-pp iframe,#pp-buy-box iframe{border-radius:14px !important}

/* ---- footer ---- */
footer{border-top:1px solid var(--line);margin-top:72px;padding:48px 0 56px;background:var(--bg2)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
.foot-grid .fh{font-family:var(--display);font-size:13px;font-weight:600;letter-spacing:.5px;color:var(--ink)}
footer p{font-size:13px;color:var(--muted)}
footer a{color:var(--muted) !important;text-decoration:none}
footer a:hover{color:var(--ink) !important}
#authors-corner{position:fixed;bottom:10px;right:14px;font-family:var(--mono);font-size:10.5px;color:var(--muted2);text-decoration:none;opacity:.7}

@media(max-width:760px){
  .prem-feats{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  header{padding:56px 0 28px !important}
  .prem-card,.lic-card{padding:24px 20px !important}
  .lede{font-size:16px}
  section{padding:40px 0}
  /* nav: let the link row scroll horizontally instead of overflowing */
  nav .wrap,nav .container{gap:6px;padding-top:10px !important;padding-bottom:10px !important}
  nav img{width:28px;height:28px}
  nav .name{font-size:18px}
  nav .links{gap:2px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;mask-image:linear-gradient(90deg,transparent 0,#000 12px,#000 calc(100% - 12px),transparent 100%)}
  nav .links::-webkit-scrollbar{display:none}
  nav .links a{font-size:13px;padding:7px 10px;white-space:nowrap}
  nav .links a.dl,nav .links a.btn{padding:8px 16px !important;white-space:nowrap}
  .wrap,.container{padding:0 16px}
  .foot-grid{gap:20px}
  footer{padding:36px 0 40px}
}