*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#0f0f13;--card:#16161d;--border:#252530;--green:#4ade80;--green-bg:rgba(74,222,128,.08);--green-glow:rgba(74,222,128,.25);--red:#f87171;--red-bg:rgba(248,113,113,.08);--text:#f0f0f0;--muted:#5a5a6e;--muted2:#8888a0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:nunito,sans-serif;font-size:16px;line-height:1.6;overflow-x:hidden}
a{color:inherit;text-decoration:none}

nav{display:flex;align-items:center;justify-content:space-between;padding:0 32px;height:56px;border-bottom:1px solid var(--border);background:rgba(15,15,19,.92);backdrop-filter:blur(12px);position:sticky;top:0;z-index:100;gap:16px}
.logo{font-family:'press start 2p',monospace;font-size:13px;color:#fff;white-space:nowrap}
.logo-free{color:var(--green)}

/* language dropdown */
.lang-switch{position:relative;display:inline-flex;align-items:center}
.lang-switch::after{content:'\25BE';position:absolute;right:12px;top:50%;transform:translateY(-50%);font-size:10px;color:var(--muted2);pointer-events:none;transition:color .12s}
.lang-switch:hover::after{color:#fff}
.lang-select{appearance:none;-webkit-appearance:none;-moz-appearance:none;font-family:nunito,sans-serif;font-size:13px;font-weight:800;color:var(--text);background:var(--green-bg);border:1px solid rgba(74,222,128,.25);border-radius:7px;padding:8px 32px 8px 14px;cursor:pointer;letter-spacing:.02em;transition:all .12s;outline:none}
.lang-select:hover,.lang-select:focus{border-color:var(--green);background:rgba(74,222,128,.14);color:#fff}
.lang-select option{background:var(--card);color:var(--text);font-weight:700}

.hero{text-align:center;padding:80px 24px 72px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-80px;left:50%;transform:translateX(-50%);width:600px;height:400px;background:radial-gradient(ellipse,rgba(74,222,128,.12) 0%,transparent 70%);pointer-events:none}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--green-bg);border:1px solid rgba(74,222,128,.2);border-radius:100px;padding:6px 16px;font-size:13px;font-weight:700;color:var(--green);margin-bottom:28px}
.hero-badge::before{content:'';width:7px;height:7px;background:var(--green);border-radius:50%;box-shadow:0 0 6px var(--green);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
h1{font-family:'press start 2p',monospace;font-size:clamp(24px,5vw,52px);color:#fff;line-height:1.35;margin-bottom:20px}
h1 .g{color:var(--green)}
.hero-sub{font-size:18px;font-weight:600;color:var(--muted2);max-width:460px;margin:0 auto 40px;line-height:1.6}
.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{font-family:'press start 2p',monospace;font-size:11px;padding:16px 28px;border-radius:8px;border:none;cursor:pointer;letter-spacing:.03em;transition:all .15s;display:inline-flex;align-items:center;gap:10px;text-decoration:none}
.btn-green{background:var(--green);color:#0f1a0f;font-weight:900}
.btn-green:hover{background:#6ef09a;transform:translateY(-2px);box-shadow:0 8px 32px var(--green-glow)}
.btn-outline{background:0 0;color:var(--muted2);border:1px solid var(--border)}
.btn-outline:hover{border-color:var(--green);color:#fff}

.sponsor-btn{display:inline-flex;align-items:center;gap:7px;margin-top:12px;padding:9px 18px;background:var(--green-bg);border:1px solid rgba(74,222,128,.3);border-radius:7px;color:var(--green);font-size:13px;font-weight:800;transition:all .15s}
.sponsor-btn:hover{background:rgba(74,222,128,.15);border-color:var(--green);transform:translateX(2px)}
.sponsor-btn::after{content:'\2192';font-size:12px}

.stats{display:flex;justify-content:center;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.stat{flex:1;max-width:220px;text-align:center;padding:28px 20px;border-right:1px solid var(--border)}
.stat:last-child{border-right:none}
.stat-n{font-family:'press start 2p',monospace;font-size:20px;color:var(--green);display:block;margin-bottom:8px}
.stat-l{font-size:13px;color:var(--muted);font-weight:700;letter-spacing:.04em;text-transform:uppercase}

.steps-section{max-width:720px;margin:0 auto;padding:80px 24px 64px}
.section-title{font-family:'press start 2p',monospace;font-size:clamp(14px,2.5vw,20px);text-align:center;color:#fff;line-height:1.6;margin-bottom:56px}
.steps{display:flex;flex-direction:column;list-style:none}
.step{display:flex;gap:24px;align-items:flex-start;padding:28px 0;border-bottom:1px solid var(--border)}
.step:first-child{border-top:1px solid var(--border)}
.step-icon{flex-shrink:0;width:48px;height:48px;background:var(--green-bg);border:1px solid rgba(74,222,128,.2);border-radius:12px;display:flex;align-items:center;justify-content:center;font-family:'press start 2p',monospace;font-size:13px;color:var(--green);margin-top:2px}
.step-body h3{font-size:17px;font-weight:800;color:#fff;margin-bottom:5px}
.step-body p{font-size:14px;color:var(--muted2);line-height:1.7}

.claim-section{background:var(--card);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:64px 24px}
.claim-inner{max-width:560px;margin:0 auto;text-align:center}
.claim-inner h2{font-family:'press start 2p',monospace;font-size:clamp(14px,2.5vw,20px);color:#fff;line-height:1.6;margin-bottom:10px}
.claim-inner>p{color:var(--muted2);font-size:15px;margin-bottom:28px;font-weight:600}
.input-wrap{display:flex;border:1px solid var(--border);border-radius:10px;overflow:hidden;background:var(--bg);transition:border-color .2s}
.input-wrap:focus-within{border-color:var(--green)}
.input-wrap.error-border{border-color:var(--red)!important}
.claim-input{flex:1;background:0 0;border:none;outline:none;color:#fff;font-family:nunito,sans-serif;font-size:16px;font-weight:700;padding:16px 20px;min-width:0}
.claim-input::placeholder{color:var(--muted);font-weight:600}
.claim-btn{font-family:'press start 2p',monospace;font-size:9px;padding:16px 20px;background:var(--green);color:#0f1a0f;border:none;cursor:pointer;transition:background .15s;white-space:nowrap}
.claim-btn:hover{background:#6ef09a}
.claim-btn:disabled{background:#2a2a35;color:var(--muted);cursor:not-allowed}
.field-error{margin-top:10px;font-size:13px;color:var(--red);font-weight:700;display:none}
.field-error.show{display:block}
.loading-box{display:none;flex-direction:column;align-items:center;gap:20px;padding:16px 0}
.loading-box.show{display:flex}
.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--green);border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.loading-text{font-size:14px;color:var(--muted2);font-weight:700;text-align:center}
.loading-text span{color:var(--green)}
.result-error{display:none;background:var(--red-bg);border:1px solid rgba(248,113,113,.25);border-radius:10px;padding:20px 24px;text-align:left}
.result-error.show{display:block}
.result-error .re-title{font-size:15px;font-weight:800;color:var(--red);margin-bottom:8px}
.result-error .re-msg{font-size:14px;color:var(--muted2);line-height:1.7;font-weight:600}
.retry-btn{margin-top:16px;display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;color:var(--muted2);border:1px solid var(--border);border-radius:7px;padding:9px 18px;cursor:pointer;background:0 0;transition:all .15s;font-family:nunito,sans-serif}
.retry-btn:hover{color:#fff;border-color:#555}
.claim-hint{margin-top:14px;font-size:13px;color:var(--muted);font-weight:600}

.faq-section{max-width:660px;margin:0 auto;padding:80px 24px 96px}
.faq-section h2{font-family:'press start 2p',monospace;font-size:clamp(13px,2vw,17px);text-align:center;color:#fff;line-height:1.6;margin-bottom:44px}
.faq{display:flex;flex-direction:column}
.faq-item{padding:22px 0;border-bottom:1px solid var(--border)}
.faq-item:first-child{border-top:1px solid var(--border)}
.faq-item h3{font-size:16px;font-weight:800;color:#fff;margin-bottom:8px}
.faq-item p{font-size:14px;color:var(--muted2);line-height:1.7;font-weight:600}
.faq-item a{color:var(--green);border-bottom:1px solid rgba(74,222,128,.3)}
.faq-item a:hover{border-color:var(--green)}

/* article / guide page */
.article{max-width:760px;margin:0 auto;padding:56px 24px 88px}
.article-back{display:inline-block;font-size:13px;font-weight:800;color:var(--muted2);margin-bottom:28px;transition:color .15s}
.article-back:hover{color:var(--green)}
.article-title{font-family:'press start 2p',monospace;font-size:clamp(18px,3.4vw,30px);color:#fff;line-height:1.5;margin-bottom:36px}
.article-body{font-size:16px;line-height:1.8;color:#d4d4dc}
.article-body h2{font-size:clamp(19px,2.6vw,24px);font-weight:900;color:#fff;margin:44px 0 14px;line-height:1.35}
.article-body h3{font-size:18px;font-weight:800;color:#fff;margin:32px 0 10px}
.article-body p{margin:0 0 18px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:24px}
.article-body li{margin-bottom:8px}
.article-body a{color:var(--green);font-weight:700;border-bottom:1px solid rgba(74,222,128,.35)}
.article-body a:hover{border-color:var(--green)}
.article-body strong{color:#fff;font-weight:800}
.article-body blockquote{margin:22px 0;padding:14px 20px;background:var(--green-bg);border-left:3px solid var(--green);border-radius:0 8px 8px 0;color:var(--muted2)}
.article-body blockquote p{margin:0}
.article-body code{font-family:'SFMono-Regular',Consolas,'Liberation Mono',monospace;font-size:13px;background:#1e1e27;border:1px solid var(--border);border-radius:5px;padding:2px 6px;color:#7ee0a0}
.article-body pre{background:#101015;border:1px solid var(--border);border-radius:10px;padding:18px 20px;overflow-x:auto;margin:0 0 20px}
.article-body pre code{background:0 0;border:none;padding:0;color:#c8e6d4;font-size:13.5px;line-height:1.7}
.article-body hr{border:none;border-top:1px solid var(--border);margin:36px 0}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 20px;font-size:14.5px}
.article-body th,.article-body td{border:1px solid var(--border);padding:10px 14px;text-align:left}
.article-body th{background:var(--card);color:#fff;font-weight:800}

/* footer: left + right blocks centered and stacked */
footer{border-top:1px solid var(--border);padding:32px 24px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:16px;font-size:13px;color:var(--muted);font-weight:600}
.footer-nav a{color:var(--green);font-weight:800;border-bottom:1px solid rgba(74,222,128,.3)}
.footer-nav a:hover{border-color:var(--green)}
.footer-langs{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.footer-langs a{color:var(--muted);transition:color .15s}
.footer-langs a:hover{color:#fff}
.footer-copy{max-width:560px;line-height:1.7}
.footer-copy a{color:var(--green);border-bottom:1px solid rgba(74,222,128,.3)}

@media(max-width:640px){
  nav{padding:0 16px}
  h1{font-size:26px}
  .stats{flex-wrap:wrap}
  .stat{min-width:50%;border-bottom:1px solid var(--border)}
  .steps-section,.faq-section{padding-left:16px;padding-right:16px}
  .claim-section{padding-left:16px;padding-right:16px}
  .input-wrap{flex-direction:column;border-radius:10px}
  .claim-btn{padding:16px;border-radius:0 0 8px 8px}
}