/* Dark Broken Key — premium design system (v4): Sora display / Inter UI / Hind Siliguri Bengali */
@import url('https://fonts.googleapis.com/css2?family=Sora:wght@500;600;700;800&family=Inter:wght@400;500;600;700&family=Hind+Siliguri:wght@400;500;600&display=swap');

:root{
  color-scheme:dark;
  --bg:#050608; --surface:#0b0e14; --surface2:#0e1219; --surface3:#121722;
  --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.13);
  --text:#eef2f9; --muted:#9aa7ba; --muted2:#6d7a8e;
  --accent:#2f6bff; --accent2:#2762f5; --accent-soft:rgba(47,107,255,.13);
  --green:#2fbf71; --red:#ff5c6c; --amber:#f5b83d;
  --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'Inter','Hind Siliguri',system-ui,sans-serif;font-size:15.5px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,.display{font-family:'Sora','Hind Siliguri',sans-serif;line-height:1.14;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
img,svg{display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
::selection{background:rgba(47,107,255,.4)}
.num{font-variant-numeric:tabular-nums}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:14.5px;padding:12px 22px;border-radius:12px;border:1px solid var(--line2);background:var(--surface3);color:var(--text);cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;white-space:nowrap}
.btn:hover{transform:translateY(-1px);background:#161d2c}
.btn-primary{background:linear-gradient(180deg,#4a80ff 0%,#2f6bff 48%,#2762f5 100%);border-color:rgba(120,165,255,.45);color:#fff;box-shadow:inset 0 1px 0 rgba(255,255,255,.28),0 10px 26px -10px rgba(47,107,255,.65)}
.btn-primary:hover{background:linear-gradient(180deg,#5a8bff 0%,#3a74ff 48%,#2f6bf5 100%);box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 14px 30px -10px rgba(47,107,255,.75)}
.btn-lg{padding:14px 28px;font-size:15.5px;border-radius:14px}
.btn-sm{padding:8px 14px;font-size:13px;border-radius:10px}
.btn-danger{background:rgba(255,92,108,.12);border-color:rgba(255,92,108,.35);color:#ff8b96}
.btn-danger:hover{background:rgba(255,92,108,.2)}
.btn-ghost{background:transparent}
.btn:disabled{opacity:.5;pointer-events:none}
.btn-block{width:100%}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:60;backdrop-filter:blur(14px);background:rgba(5,6,8,.72);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:28px;height:68px}
.logo{display:flex;align-items:center;gap:11px;font-family:'Sora',sans-serif;font-weight:700;font-size:19px;letter-spacing:-.01em}
.logo-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(160deg,#4a80ff,#1d49c8);display:grid;place-items:center;box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 8px 18px -8px rgba(47,107,255,.8)}
.logo-mark svg{width:19px;height:19px}
.nav-links{display:flex;gap:26px;margin-left:8px}
.nav-links a{color:var(--muted);font-size:14.5px;font-weight:500}
.nav-links a:hover{color:var(--text)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-burger{display:none;background:none;border:1px solid var(--line2);border-radius:10px;padding:8px 10px;color:var(--text);cursor:pointer}
.announce{background:linear-gradient(90deg,rgba(47,107,255,.22),rgba(47,107,255,.1));border-bottom:1px solid var(--line);text-align:center;padding:9px 16px;font-size:13.5px;color:#cfe0ff}
.maintenance{background:rgba(245,184,61,.14);border-bottom:1px solid rgba(245,184,61,.3);color:#ffd98a;text-align:center;padding:9px 16px;font-size:13.5px}

/* ---------- Hero ---------- */
.hero{padding:84px 0 70px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(720px 340px at 78% 8%,rgba(47,107,255,.16),transparent 65%),radial-gradient(600px 300px at 8% 0%,rgba(47,107,255,.07),transparent 60%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;position:relative}
.hero-grid>*{min-width:0}
.codewin{max-width:100%}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#9fc0ff;background:var(--accent-soft);border:1px solid rgba(47,107,255,.35);padding:6px 12px;border-radius:999px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:99px;background:var(--accent)}
.hero h1{font-size:52px;font-weight:800;margin:22px 0 18px}
.hero h1 .grad{background:linear-gradient(92deg,#7ba6ff,#2f6bff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{color:var(--muted);font-size:17.5px;max-width:520px}
.hero-cta{display:flex;gap:14px;margin:30px 0 24px;flex-wrap:wrap}
.trust{display:flex;gap:22px;flex-wrap:wrap;color:var(--muted);font-size:13.5px}
.trust span{display:inline-flex;gap:7px;align-items:center}
.trust svg{width:15px;height:15px;stroke:var(--green)}
.codewin{background:#0a0d13;border:1px solid var(--line2);border-radius:18px;box-shadow:0 30px 70px -30px rgba(0,0,0,.85),inset 0 1px 0 rgba(255,255,255,.06);overflow:hidden;position:relative}
.codewin-bar{display:flex;align-items:center;gap:7px;padding:13px 16px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.02)}
.dot{width:11px;height:11px;border-radius:99px}
.codewin-bar .file{margin-left:10px;font-size:12.5px;color:var(--muted2);font-family:ui-monospace,Menlo,monospace}
.codewin pre{padding:20px 22px 48px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13.2px;line-height:1.75;overflow-x:auto;color:#c9d6ee}
.tok-k{color:#7ba6ff}.tok-s{color:#9ed79a}.tok-f{color:#ffd479}.tok-c{color:#5d6c85;font-style:italic}.tok-n{color:#f2a97e}
.float-card{position:absolute;background:rgba(13,17,26,.92);border:1px solid var(--line2);border-radius:14px;padding:12px 16px;backdrop-filter:blur(8px);box-shadow:0 18px 40px -18px rgba(0,0,0,.8)}
.float-card .fc-label{font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted2);font-weight:700}
.float-card .fc-value{font-family:'Sora',sans-serif;font-weight:700;font-size:19px}
.fc1{right:-14px;top:36px}.fc2{left:-18px;bottom:-28px}

/* ---------- Sections ---------- */
section.block{padding:76px 0}
.sec-head{max-width:640px;margin-bottom:44px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center .eyebrow{margin:0 auto}
.sec-head h2{font-size:36px;font-weight:700;margin:16px 0 12px}
.sec-head p{color:var(--muted);font-size:16.5px}
.stats-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-align:center}
.stat-card .v{font-family:'Sora',sans-serif;font-size:30px;font-weight:800}
.stat-card .l{color:var(--muted);font-size:13px;letter-spacing:.1em;text-transform:uppercase;font-weight:600;margin-top:4px}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:border-color .15s,transform .15s}
.feat:hover{border-color:var(--line2);transform:translateY(-2px)}
.feat .ic{width:44px;height:44px;border-radius:12px;background:var(--accent-soft);border:1px solid rgba(47,107,255,.3);display:grid;place-items:center;margin-bottom:16px}
.feat .ic svg{width:21px;height:21px;stroke:#7ba6ff}
.feat h3{font-size:17.5px;margin-bottom:8px}
.feat p{color:var(--muted);font-size:14.5px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:step}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.step .n{font-family:'Sora',sans-serif;font-size:13px;font-weight:800;color:#fff;background:linear-gradient(180deg,#4a80ff,#2762f5);width:32px;height:32px;border-radius:99px;display:grid;place-items:center;box-shadow:inset 0 1px 0 rgba(255,255,255,.3);margin-bottom:16px}
.step h3{font-size:17px;margin-bottom:7px}.step p{color:var(--muted);font-size:14.5px}

/* ---------- Pricing ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.price-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:32px;display:flex;flex-direction:column;position:relative}
.price-card.popular{border-color:rgba(47,107,255,.55);background:linear-gradient(180deg,rgba(47,107,255,.09),var(--surface) 55%);box-shadow:0 24px 50px -24px rgba(47,107,255,.45)}
.pop-tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(180deg,#4a80ff,#2762f5);color:#fff;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:5px 14px;border-radius:99px;box-shadow:inset 0 1px 0 rgba(255,255,255,.3)}
.price-card .pname{font-size:12px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--muted)}
.price-card .pprice{font-family:'Sora',sans-serif;font-size:42px;font-weight:800;margin:12px 0 2px}
.price-card .pprice small{font-size:15px;color:var(--muted);font-weight:500}
.price-card .pdesc{color:var(--muted);font-size:14px;margin-bottom:22px}
.price-card ul{list-style:none;display:grid;gap:11px;margin-bottom:28px;font-size:14.5px}
.price-card li{display:flex;gap:10px;align-items:flex-start}
.price-card li svg{width:16px;height:16px;stroke:var(--green);flex:none;margin-top:3px}
.price-card li.off{color:var(--muted2)}
.price-card li.off svg{stroke:var(--muted2)}
.price-card .btn{margin-top:auto}

/* ---------- FAQ / docs prose ---------- */
.faq{display:grid;gap:12px;max-width:760px;margin:0 auto}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 22px}
.faq summary{cursor:pointer;font-weight:600;font-family:'Sora',sans-serif;font-size:16px;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq p{color:var(--muted);margin-top:10px;font-size:14.5px}
.prose{max-width:820px}
.prose h2{font-size:27px;margin:38px 0 12px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:19px;margin:26px 0 8px}
.prose p,.prose li{color:var(--muted);font-size:15.5px}
.prose ul,.prose ol{padding-left:22px;display:grid;gap:6px;margin:10px 0}
.prose code,.mono{font-family:ui-monospace,Menlo,monospace;font-size:.88em;background:var(--surface3);border:1px solid var(--line);padding:2px 7px;border-radius:7px;color:#bcd2ff}
.prose pre{background:#0a0d13;border:1px solid var(--line2);border-radius:14px;padding:18px 20px;overflow-x:auto;margin:14px 0}
.prose pre code{background:none;border:none;padding:0;color:#c9d6ee;font-size:13px;line-height:1.7}
.prose table{width:100%;border-collapse:collapse;margin:14px 0;font-size:14px}
.prose th,.prose td{border:1px solid var(--line);padding:10px 13px;text-align:left;vertical-align:top}
.prose th{background:var(--surface2);font-family:'Sora',sans-serif;font-size:13px;letter-spacing:.04em}
.prose td{color:var(--muted)}
.prose td:first-child{color:var(--text);font-weight:600;white-space:nowrap}

/* ---------- Forms (shared) ---------- */
.field{margin-bottom:16px}
.field label{display:block;font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:7px}
.input,select.input,textarea.input{width:100%;background:var(--surface2);border:1px solid var(--line2);border-radius:11px;color:var(--text);padding:11px 14px;font-size:14.5px;font-family:inherit;outline:none;transition:border-color .15s,box-shadow .15s}
.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,107,255,.22)}
select.input option{background:#0e1219;color:var(--text)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.alert{border-radius:12px;padding:12px 16px;font-size:14px;margin-bottom:16px;display:none}
.alert.error{display:block;background:rgba(255,92,108,.1);border:1px solid rgba(255,92,108,.35);color:#ffb3ba}
.alert.ok{display:block;background:rgba(47,191,113,.1);border:1px solid rgba(47,191,113,.35);color:#9fe8c0}

/* ---------- Auth pages ---------- */
.auth-shell{min-height:100vh;display:grid;grid-template-columns:1fr 1.1fr}
.auth-brand{padding:48px;display:flex;flex-direction:column;justify-content:space-between;background:radial-gradient(700px 420px at 20% 0%,rgba(47,107,255,.16),transparent 60%),var(--surface);border-right:1px solid var(--line)}
.auth-brand h2{font-size:34px;margin:18px 0 12px}
.auth-brand p{color:var(--muted);max-width:420px}
.auth-main{display:grid;place-items:center;padding:40px 24px}
.auth-card{width:100%;max-width:430px}
.auth-card h1{font-size:27px;margin-bottom:6px}
.auth-card .sub{color:var(--muted);margin-bottom:24px;font-size:14.5px}
.segmented{display:grid;grid-template-columns:1fr 1fr;background:var(--surface2);border:1px solid var(--line);border-radius:12px;padding:4px;margin-bottom:24px}
.segmented button{background:none;border:none;color:var(--muted);font:600 14px 'Inter',sans-serif;padding:9px;border-radius:9px;cursor:pointer}
.segmented button.active{background:var(--surface3);color:var(--text);box-shadow:inset 0 1px 0 rgba(255,255,255,.07)}
.mini-note{font-size:13px;color:var(--muted2);text-align:center;margin-top:16px}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--line);background:#07090d;padding:64px 0 34px;margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;margin-bottom:44px}
.foot-grid h4{font-size:12px;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);margin-bottom:15px;font-family:'Inter',sans-serif;font-weight:700}
.foot-grid a{display:block;color:var(--muted);font-size:14.5px;padding:4px 0}
.foot-grid a:hover{color:var(--text)}
.foot-grid p{color:var(--muted);font-size:14.5px;max-width:300px;margin-top:12px}
.foot-bottom{border-top:1px solid var(--line);padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted2);font-size:13.5px}

.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px);background:#131926;border:1px solid var(--line2);color:var(--text);padding:12px 20px;border-radius:12px;font-size:14px;box-shadow:0 20px 44px -14px rgba(0,0,0,.8);opacity:0;pointer-events:none;transition:.2s;z-index:200;max-width:92vw;text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.err{border-color:rgba(255,92,108,.5)}

@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr}
  .hero h1{font-size:38px}
  .feat-grid,.price-grid,.steps,.stats-strip{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .auth-shell{grid-template-columns:1fr}
  .auth-brand{display:none}
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:68px;left:0;right:0;flex-direction:column;background:#07090d;border-bottom:1px solid var(--line);padding:18px 24px;gap:16px}
  .nav-burger{display:block}
  .fc1{right:6px}.fc2{left:6px}
}