:root{--bg:#070a0f;--surface:#10161f;--surface-2:#0b1119;--border:#2b394c;--border-soft:#192433;--text:#f5f7fa;--muted:#9aabc0;--green:#22c76a;--green-dark:#119a4c;--green-soft:#0c2a1e;--danger:#ff7676;--focus:#68a9ff;--radius:12px;--ease-out:cubic-bezier(.22,1,.36,1);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color-scheme:dark}
[hidden]{display:none!important}.expired-action{display:inline-flex;align-items:center;min-height:44px;margin-left:8px;padding:0 14px;border-radius:7px;background:var(--danger);color:#170506;text-decoration:none;font-weight:800}.expired-action:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);min-height:100vh}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit}.shell{width:min(1120px,calc(100% - 40px));margin:auto}.site-header{position:relative;border-bottom:1px solid var(--border-soft);background:rgba(7,10,15,.92);box-shadow:0 10px 30px rgba(0,0,0,.18)}.site-header::after{content:"";position:absolute;inset:auto 0 -1px;height:1px;background:linear-gradient(90deg,transparent,rgba(34,199,106,.32),transparent);pointer-events:none}.topbar{height:78px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px;font-weight:800;text-decoration:none}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:9px;background:var(--green);color:#06120b;box-shadow:0 0 0 0 rgba(34,199,106,.2);transition:transform 220ms var(--ease-out),box-shadow 220ms var(--ease-out)}.brand:hover .brand-mark{transform:translateY(-2px);box-shadow:0 8px 20px rgba(34,199,106,.2)}.admin-link{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 13px;border:1px solid transparent;border-radius:8px;font-size:14px;color:var(--muted);text-decoration:none;transition:color 180ms ease,background 180ms ease,border-color 180ms ease}.admin-link span{transition:transform 180ms var(--ease-out)}.admin-link:hover{color:var(--text);background:var(--surface-2);border-color:var(--border-soft)}.admin-link:hover span{transform:translateX(3px)}.hero{display:grid;grid-template-columns:minmax(280px,.8fr) minmax(430px,1.2fr);gap:76px;align-items:start;padding:80px 0 96px}.intro{animation:reveal 480ms var(--ease-out) both}.eyebrow{color:var(--green);text-transform:uppercase;letter-spacing:.16em;font-size:12px;font-weight:800}.intro h1{font-size:clamp(42px,5vw,66px);line-height:1.02;letter-spacing:-.055em;margin:16px 0 18px}.intro p{color:#a5b8cf;line-height:1.7;max-width:460px;margin:0}.steps{display:flex;gap:14px;margin-top:42px;color:#7588a0;font-size:13px}.steps span{display:flex;align-items:center;gap:7px}.steps i{font-style:normal;border:1px solid var(--border);border-radius:50%;width:28px;height:28px;display:grid;place-items:center}.steps .active{color:var(--green)}.steps .active i{border-color:var(--green);background:#0b2d1d}.service-panel{border:1px solid var(--border);background:var(--surface);border-radius:18px;padding:28px;box-shadow:0 22px 55px rgba(0,0,0,.2);animation:reveal 520ms 80ms var(--ease-out) both}.tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;padding:5px;border:1px solid var(--border);border-radius:12px;background:#080d14;box-shadow:inset 0 1px 4px rgba(0,0,0,.4)}.tab{position:relative;border:1px solid transparent;background:transparent;color:#9bacc1;min-height:48px;border-radius:8px;font-weight:750;transition:color 180ms ease,background 220ms ease,border-color 220ms ease,transform 120ms ease}.tab::after{content:"";position:absolute;right:18px;bottom:7px;left:18px;height:2px;border-radius:999px;background:var(--green);opacity:0;transform:scaleX(.35);transition:opacity 180ms ease,transform 240ms var(--ease-out)}.tab:hover{color:var(--text);background:#111a26}.tab:active{transform:scale(.98)}.tab[aria-selected=true]{border-color:#34465e;background:#202c3c;color:white;box-shadow:0 3px 10px rgba(0,0,0,.28)}.tab[aria-selected=true]::after{opacity:1;transform:scaleX(1)}.tab:focus-visible,.brand:focus-visible,.admin-link:focus-visible,.plan:focus-visible,.primary:focus-visible,.secondary:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.panel{display:none;padding-top:26px}.panel.active{display:block}.panel.active.panel-enter{animation:panel-enter 300ms var(--ease-out) both}.panel-heading{margin:0 0 6px;font-size:20px}.panel-copy{margin:0 0 24px;color:var(--muted);font-size:14px;line-height:1.55}.field{margin-bottom:17px}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}label{display:block;font-size:13px;font-weight:700;margin-bottom:8px}.optional{color:var(--muted);font-weight:500}input,select,textarea{width:100%;border:1px solid var(--border);background:#080d14;color:white;border-radius:9px;min-height:48px;padding:11px 13px;outline:0;transition:border-color 180ms ease,box-shadow 180ms ease,background 180ms ease}textarea{min-height:105px;resize:vertical}input:hover,select:hover,textarea:hover{border-color:#3b4c62}input:focus,select:focus,textarea:focus{border-color:var(--focus);background:#0a111b;box-shadow:0 0 0 3px #68a9ff2c}.plans{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px}.plan{position:relative;border:1px solid var(--border);border-radius:10px;padding:15px 42px 15px 15px;background:var(--surface-2);text-align:left;color:white;min-height:86px;transition:transform 160ms var(--ease-out),border-color 180ms ease,background 180ms ease,box-shadow 180ms ease}.plan::after{content:"";position:absolute;top:16px;right:15px;width:17px;height:17px;border:1px solid #526176;border-radius:50%;transition:background 180ms ease,border-color 180ms ease,box-shadow 180ms ease}.plan:hover{transform:translateY(-2px);border-color:#465970}.plan:active{transform:translateY(0) scale(.99)}.plan strong,.plan small{display:block}.plan small{color:var(--green);margin-top:8px}.plan.selected{border-color:var(--green);background:var(--green-soft);box-shadow:0 0 0 1px rgba(34,199,106,.12)}.plan.selected::after{border:5px solid var(--green);background:#fff}.primary,.secondary{border-radius:9px;min-height:49px;padding:0 20px;font-weight:800;transition:transform 140ms var(--ease-out),background 180ms ease,border-color 180ms ease,box-shadow 180ms ease}.primary{border:1px solid var(--green);background:var(--green);color:#05110a}.primary:hover{background:#32d97b;box-shadow:0 8px 22px rgba(34,199,106,.2)}.primary:active,.secondary:active{transform:scale(.98)}.primary:disabled,.secondary:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}.secondary{border:1px solid var(--border);background:transparent;color:white}.secondary:hover{border-color:#52647c;background:#151e2a}.actions{display:flex;justify-content:flex-end;gap:10px;margin-top:25px}.actions .primary{min-width:170px}.message{display:none;border-left:3px solid var(--green);background:#0a121a;padding:12px 14px;color:#b9c8da;font-size:13px;line-height:1.5;margin-bottom:20px}.message.show{display:block;animation:message-in 260ms var(--ease-out) both}.message.error{border-color:var(--danger);color:#ffc1c1}.license-result{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.footer{border-top:1px solid #151e2a;padding:24px 0;color:#71839a;font-size:13px}.loading{opacity:.68;pointer-events:none}@keyframes reveal{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes panel-enter{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes message-in{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:850px){.hero{grid-template-columns:1fr;gap:38px;padding-top:45px}.intro h1{max-width:600px}.steps{margin-top:26px}.service-panel{padding:22px}}
@media(max-width:560px){.shell{width:min(100% - 24px,1120px)}.topbar{height:66px}.hero{padding:34px 0 64px;gap:30px}.intro h1{font-size:43px}.steps{gap:8px;flex-wrap:wrap}.service-panel{padding:14px;border-radius:13px}.tabs{grid-template-columns:1fr}.tab{min-height:42px}.field-row,.plans{grid-template-columns:1fr}.actions{flex-direction:column}.actions .primary,.actions .secondary{width:100%}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
.footer{text-align:center}
.brand-mark{overflow:hidden;background-color:transparent;background-image:url('/assets/khan-logo.png');background-position:center;background-repeat:no-repeat;background-size:150%;color:transparent;font-size:0}
.whatsapp-float{position:fixed;right:max(20px,env(safe-area-inset-right));bottom:max(20px,env(safe-area-inset-bottom));z-index:100;display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border:1px solid rgba(255,255,255,.22);border-radius:50%;background:#25d366;color:#06120b;box-shadow:0 12px 30px rgba(0,0,0,.34);text-decoration:none;transition:transform 180ms var(--ease-out),background 180ms ease,box-shadow 180ms ease}
.whatsapp-float svg{width:29px;height:29px;fill:currentColor}
.whatsapp-float:hover{transform:translateY(-3px);background:#36df75;box-shadow:0 16px 34px rgba(0,0,0,.4)}
.whatsapp-float:active{transform:scale(.96)}
.whatsapp-float:focus-visible{outline:3px solid var(--focus);outline-offset:4px}
@media(max-width:560px){.whatsapp-float{right:max(14px,env(safe-area-inset-right));bottom:max(14px,env(safe-area-inset-bottom));width:52px;height:52px}.whatsapp-float svg{width:27px;height:27px}}
.field-help{margin:8px 0 0;color:var(--muted);font-size:12px;line-height:1.55}