*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#0f0f13;--bg-card:#1a1a23;--bg-card-hover:#22222e;--bg-input:#22222e;--text:#f1f1f6;--text-muted:#6b7280;--text-dim:#4b5563;--border:#2a2a38;--border-light:#333344;--primary:#00e5a0;--primary-dark:#00c48a;--primary-dim:rgba(0,229,160,.1);--accent:#00bcd4;--danger:#ef4444;--warning:#f59e0b;--success:#22c55e;--radius:12px;--radius-sm:8px}
body{font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-dark)}
.container{max-width:1100px;margin:0 auto;padding:0 20px}

.navbar{background:var(--bg-card);border-bottom:1px solid var(--border);padding:14px 0;position:sticky;top:0;z-index:100}
.navbar .container{display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none}
.nav-logo i{font-size:22px;color:var(--primary)}
.logo-text{font-size:20px;font-weight:800;letter-spacing:1px;color:#fff}
.nav-links{display:flex;gap:4px}
.nav-link{color:var(--text-muted);padding:8px 16px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;transition:all .2s;display:flex;align-items:center;gap:6px}
.nav-link:hover{background:var(--bg-card-hover);color:#fff}

.hero{background:linear-gradient(135deg,#1a1a23 0,#0f0f13 100%);padding:80px 0 60px;text-align:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 50% 50%,rgba(0,229,160,.03) 0,transparent 50%);pointer-events:none}
.hero-content h1{font-size:52px;font-weight:800;color:#fff;margin-bottom:16px;line-height:1.2}
.gradient-text{background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-content p{font-size:18px;color:var(--text-muted);max-width:500px;margin:0 auto}

.section-title{font-size:26px;font-weight:700;text-align:center;margin-bottom:32px;color:#fff}
.brands-section{padding:60px 0}
.brands-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.brand-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;text-align:center;transition:all .3s;text-decoration:none;color:var(--text);display:block}
.brand-card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:0 8px 32px rgba(0,229,160,.1)}
.brand-logo-img{width:80px;height:80px;object-fit:contain;border-radius:var(--radius-sm);margin-bottom:12px}
.brand-icon{width:80px;height:80px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#0f0f13;font-size:28px;font-weight:700;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;margin:0 auto 12px}
.brand-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.brand-card p{font-size:13px;color:var(--text-muted);line-height:1.5}
.prize-tag{display:inline-block;margin-top:12px;padding:4px 14px;background:var(--primary-dim);color:var(--primary);border-radius:100px;font-size:12px;font-weight:600}

.how-section{background:var(--bg-card);padding:60px 0;border-top:1px solid var(--border)}
.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}
.step-card{text-align:center;padding:28px 16px;border:1px solid var(--border);border-radius:var(--radius)}
.step-number{width:48px;height:48px;background:var(--primary-dim);color:var(--primary);font-size:20px;font-weight:700;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;margin:0 auto 12px;font-family:Inter,sans-serif}
.step-card h3{font-size:16px;font-weight:700;margin-bottom:8px}
.step-card p{font-size:13px;color:var(--text-muted)}

.brand-hero{padding:60px 0;text-align:center}
.brand-hero-content h1{font-size:36px;font-weight:800;margin-bottom:12px;color:#fff}
.brand-hero-content p{font-size:15px;color:var(--text-muted);max-width:500px;margin:0 auto 12px}
.brand-page-logo{width:80px;height:80px;object-fit:contain;border-radius:var(--radius-sm);margin-bottom:16px;background:var(--bg-card);padding:8px}
.brand-page-icon{width:80px;height:80px;background:rgba(255,255,255,.1);font-size:32px;font-weight:700;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:var(--primary)}
.prize-badge{display:inline-block;padding:6px 18px;background:var(--primary-dim);color:var(--primary);border-radius:100px;font-size:14px;font-weight:600;margin:8px 0}
.participants-count{font-size:14px;color:var(--text-muted);margin-top:8px}
.participants-count i{margin-right:6px}

.register-section{padding:60px 0}
.register-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.register-info h2{font-size:24px;font-weight:700;margin-bottom:20px;color:#fff}
.info-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px}
.info-item{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--border)}
.info-item:last-child{border-bottom:none}
.info-label{font-size:14px;color:var(--text-muted)}
.info-value{font-size:14px;font-weight:600;color:#fff}
.info-value.price{font-size:20px;color:var(--primary);font-weight:800}
.payment-note{background:var(--primary-dim);border:1px solid rgba(0,229,160,.2);border-radius:var(--radius);padding:16px;margin-bottom:16px}
.payment-note p{font-size:13px;color:var(--primary)}
.last-winner{background:rgba(245,158,11,.08);border:1px solid rgba(245,158,11,.2);border-radius:var(--radius);padding:16px}
.last-winner h3{font-size:14px;margin-bottom:8px;color:var(--warning)}
.last-winner p{font-size:16px;font-weight:600;color:#fff}
.last-winner small{font-size:12px;color:var(--warning)}

.register-form{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px}
.register-form h3{font-size:18px;font-weight:700;margin-bottom:20px;color:#fff}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--text-muted);margin-bottom:4px}
.form-group input{width:100%;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;color:#fff;transition:border-color .2s}
.form-group input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px var(--primary-dim)}
.form-group input::placeholder{color:var(--text-dim)}
.btn{display:inline-block;padding:12px 24px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;border:none;cursor:pointer;transition:all .2s;text-decoration:none;text-align:center;display:flex;align-items:center;justify-content:center;gap:8px}
.btn-primary{background:var(--primary);color:#0f0f13}
.btn-primary:hover{background:var(--primary-dark);color:#0f0f13;box-shadow:0 4px 16px rgba(0,229,160,.3)}
.btn-block{width:100%}
.form-disclaimer{font-size:11px;color:var(--text-dim);text-align:center;margin-top:12px}

.thanks-section{padding:80px 0;text-align:center}
.thanks-card{max-width:500px;margin:0 auto;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:48px 32px}
.thanks-icon{font-size:48px;color:var(--primary);margin-bottom:16px}
.thanks-card h1{font-size:28px;font-weight:800;margin-bottom:12px;color:#fff}
.thanks-card p{color:var(--text-muted);font-size:15px}
.thanks-details{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0}
.detail-card{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px;text-align:center}
.detail-label{display:block;font-size:12px;color:var(--text-muted);margin-bottom:4px}
.detail-value{font-size:16px;font-weight:700;color:var(--primary)}

.flash-container{position:fixed;top:80px;left:50%;transform:translateX(-50%);z-index:999;width:100%;max-width:500px;padding:0 20px}
.flash-message{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 18px;font-size:14px;box-shadow:0 8px 30px rgba(0,0,0,.4);display:flex;align-items:center;gap:10px;margin-bottom:8px}
.flash-success{border-color:rgba(0,229,160,.3);color:var(--primary)}
.flash-error{border-color:rgba(239,68,68,.3);color:var(--danger)}
.flash-close{background:none;border:none;font-size:20px;cursor:pointer;color:inherit;padding:0 0 0 12px;opacity:.5;font-size:22px;line-height:1;margin-left:auto}

.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}
.empty-icon{font-size:48px;color:var(--text-dim);margin-bottom:12px}

.footer{background:var(--bg-card);border-top:1px solid var(--border);padding:40px 0 20px;margin-top:60px}
.footer-content{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:32px}
.footer-brand i{font-size:22px;color:var(--primary);margin-right:8px}
.footer-brand .logo-text{background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.footer-desc{color:var(--text-muted);font-size:13px;margin-top:8px;max-width:300px}
.footer-links h4,.footer-contact h4{font-size:14px;font-weight:600;margin-bottom:12px;color:#fff}
.footer-links a,.footer-contact p{display:block;color:var(--text-muted);font-size:13px;margin-bottom:6px}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid var(--border);font-size:12px;color:var(--text-dim)}
.footer-contact p i{width:16px;margin-right:6px}

@media(max-width:768px){
  .hero-content h1{font-size:36px}
  .register-grid{grid-template-columns:1fr}
  .footer-content{grid-template-columns:1fr;gap:24px}
  .thanks-details{grid-template-columns:1fr}
}