* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', Tahoma, sans-serif; background: #0f0f0f; color: #e0e0e0; line-height: 1.6; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }

/* Header */
header { background: #1a1a1a; border-bottom: 2px solid #ff8c00; position: sticky; top: 0; z-index: 100; }
.nav-container { max-width: 1200px; margin: 0 auto; padding: 12px 20px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; }
.logo { font-size: 26px; font-weight: bold; color: #ff8c00; letter-spacing: 1px; }
.logo span { color: #00c853; }
nav ul { list-style: none; display: flex; gap: 8px; flex-wrap: wrap; }
nav ul li a { padding: 8px 14px; border-radius: 6px; color: #ccc; font-size: 14px; transition: 0.3s; display: block; }
nav ul li a:hover, nav ul li a.active { background: #2a2a2a; color: #ff8c00; }
.auth-buttons { display: flex; gap: 8px; }
.btn-login { background: #ff8c00; color: #fff; padding: 8px 18px; border-radius: 20px; font-weight: bold; font-size: 13px; }
.btn-register { background: #00c853; color: #fff; padding: 8px 18px; border-radius: 20px; font-weight: bold; font-size: 13px; }
.btn-login:hover, .btn-register:hover { opacity: 0.85; }

/* Hero */
.hero { background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.8)), url('picture/xuupts7.jpg') center/cover; padding: 60px 20px; text-align: center; }
.hero h1 { font-size: 36px; color: #ff8c00; margin-bottom: 16px; }
.hero p { max-width: 700px; margin: 0 auto 20px; color: #ddd; font-size: 16px; }
.hero-img { max-width: 280px; margin: 24px auto; border: 3px solid #ff8c00; border-radius: 14px; overflow: hidden; }
.cta-btn { display: inline-block; background: #00c853; color: #fff; padding: 12px 32px; border-radius: 24px; font-weight: bold; margin-top: 12px; }

/* Sections */
section { padding: 50px 20px; }
.container { max-width: 1200px; margin: 0 auto; }
h2 { color: #ff8c00; font-size: 26px; margin-bottom: 18px; text-align: center; }
h3 { color: #ffb74d; font-size: 19px; margin: 14px 0 8px; }
h4 { color: #fff; font-size: 16px; margin: 10px 0 6px; }

.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; }
.intro-grid img { border-radius: 12px; border: 2px solid #2a2a2a; }
.intro-grid p { margin-bottom: 12px; color: #ccc; }

.stats-row { background: #1a1a1a; border-radius: 12px; padding: 30px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin: 30px 0; }
.stat-box { text-align: center; }
.stat-box .num { font-size: 28px; color: #00c853; font-weight: bold; }
.stat-box .lbl { color: #aaa; font-size: 13px; margin-top: 6px; }

.game-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 18px; margin-top: 20px; }
.game-card { background: #1a1a1a; border-radius: 10px; padding: 12px; text-align: center; border: 1px solid #2a2a2a; transition: 0.3s; }
.game-card:hover { transform: translateY(-4px); border-color: #ff8c00; }
.game-card img { margin: 0 auto 10px; border-radius: 8px; }
.game-card p { color: #ddd; font-size: 13px; }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin-top: 24px; }
.feature-card { background: #1a1a1a; padding: 22px; border-radius: 10px; border-left: 4px solid #ff8c00; }
.feature-card h3 { color: #ff8c00; }
.feature-card p { color: #bbb; font-size: 14px; }

.process-block { background: #161616; border-radius: 12px; padding: 26px; margin: 20px 0; }
.process-block ol { margin-left: 22px; color: #ccc; }
.process-block ol li { margin-bottom: 10px; }

.split-section { display: grid; grid-template-columns: 540px 1fr; gap: 30px; align-items: center; background: #161616; padding: 26px; border-radius: 12px; margin-top: 24px; }
.split-section img { border-radius: 10px; }
.split-section p { color: #ccc; margin-bottom: 10px; }

.review-box { background: linear-gradient(135deg, #1a1a1a, #2a1a0a); padding: 22px; border-radius: 10px; border: 1px solid #ff8c00; margin: 24px 0; font-style: italic; color: #ddd; }

.faq-item { background: #1a1a1a; padding: 18px 22px; border-radius: 8px; margin-bottom: 12px; border-left: 3px solid #00c853; }
.faq-item h4 { color: #ffb74d; margin-bottom: 8px; }
.faq-item p { color: #ccc; font-size: 14px; }
.faq-item ul { margin: 8px 0 0 20px; color: #ccc; font-size: 14px; }

/* Footer */
footer { background: #0a0a0a; padding: 40px 20px 20px; border-top: 2px solid #ff8c00; }
.footer-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; }
.footer-col h4 { color: #ff8c00; margin-bottom: 12px; }
.footer-col ul { list-style: none; }
.footer-col ul li { padding: 4px 0; color: #aaa; font-size: 14px; }
.footer-col ul li a:hover { color: #ff8c00; }
.footer-col p { color: #aaa; font-size: 14px; margin-bottom: 6px; }
.footer-bottom { max-width: 1200px; margin: 24px auto 0; padding-top: 18px; border-top: 1px solid #222; text-align: center; color: #777; font-size: 13px; }
.footer-bottom .resp { color: #ff8c00; font-weight: bold; margin-top: 8px; }

@media (max-width: 768px) {
  .nav-container { flex-direction: column; gap: 12px; }
  nav ul { justify-content: center; }
  .hero h1 { font-size: 26px; }
  .intro-grid, .split-section { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr 1fr; }
}