@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --bg-primary: #0a0a14;
  --bg-secondary: #12121f;
  --bg-card: rgba(18, 18, 31, 0.75);
  --accent-1: #EE4D2D;
  --accent-2: #FF6B35;
  --accent-3: #FFD700;
  --accent-4: #FF8C00;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: rgba(148, 163, 184, 0.1);
  --glow-1: rgba(238, 77, 45, 0.25);
  --glow-2: rgba(255, 215, 0, 0.2);
  --gradient-main: linear-gradient(135deg, #EE4D2D, #FF6B35, #FFD700);
  --gradient-card: linear-gradient(135deg, rgba(238,77,45,0.05), rgba(255,215,0,0.05));
  --gradient-gold: linear-gradient(135deg, #FFD700, #FF8C00);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
}

/* Animated Background */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(238,77,45,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(238,77,45,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.bg-orbs { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.bg-orbs .orb { position: absolute; border-radius: 50%; filter: blur(120px); animation: orbFloat 20s ease-in-out infinite; }
.orb-1 { width: 500px; height: 500px; background: var(--glow-1); top: -10%; left: -5%; }
.orb-2 { width: 400px; height: 400px; background: var(--glow-2); top: 50%; right: -10%; animation-delay: -7s; }
.orb-3 { width: 350px; height: 350px; background: rgba(255,107,53,0.12); bottom: -5%; left: 30%; animation-delay: -14s; }

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* Navigation */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 1rem 2rem; transition: all 0.3s ease;
  backdrop-filter: blur(20px); background: rgba(10, 10, 20, 0.8);
  border-bottom: 1px solid var(--border);
}
.navbar.scrolled { padding: 0.6rem 2rem; background: rgba(10, 10, 20, 0.95); }

.nav-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }

.logo { display: flex; align-items: center; gap: 0.5rem; font-weight: 800; font-size: 1.4rem; text-decoration: none; color: var(--text-primary); }
.logo-icon { width: 36px; height: 36px; background: var(--gradient-main); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; }

.nav-links { display: flex; align-items: center; gap: 1.5rem; list-style: none; }
.nav-links a { color: var(--text-secondary); text-decoration: none; font-size: 0.9rem; font-weight: 500; transition: color 0.3s; }
.nav-links a:hover { color: var(--accent-1); }

.lang-switcher { display: flex; gap: 0.25rem; background: rgba(255,255,255,0.05); padding: 0.25rem; border-radius: 10px; border: 1px solid var(--border); }
.lang-btn { padding: 0.35rem 0.7rem; border: none; background: transparent; color: var(--text-secondary); font-size: 0.8rem; font-weight: 600; border-radius: 8px; cursor: pointer; transition: all 0.3s; font-family: 'Inter', sans-serif; }
.lang-btn.active { background: var(--gradient-main); color: #fff; }
.lang-btn:hover:not(.active) { background: rgba(255,255,255,0.08); color: var(--text-primary); }

.mobile-menu-btn { display: none; background: none; border: none; color: var(--text-primary); font-size: 1.5rem; cursor: pointer; }

/* Hero */
.hero { position: relative; z-index: 1; min-height: 100vh; display: flex; align-items: center; padding: 8rem 2rem 4rem; }
.hero-inner { max-width: 1200px; margin: 0 auto; width: 100%; display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.5rem 1rem;
  background: rgba(238,77,45,0.1); border: 1px solid rgba(238,77,45,0.2);
  border-radius: 100px; font-size: 0.85rem; color: var(--accent-1);
  font-weight: 500; margin-bottom: 1.5rem; animation: fadeInUp 0.8s ease;
}
.hero-badge .pulse { width: 8px; height: 8px; background: var(--accent-1); border-radius: 50%; animation: pulse 2s ease-in-out infinite; }

@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(1.5); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

.hero h1 { font-size: 3.2rem; font-weight: 900; line-height: 1.1; margin-bottom: 1.5rem; animation: fadeInUp 0.8s ease 0.1s both; }
.gradient-text { background: var(--gradient-main); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 2rem; max-width: 520px; animation: fadeInUp 0.8s ease 0.2s both; }
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; animation: fadeInUp 0.8s ease 0.3s both; }

.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem; padding: 1rem 2rem;
  background: var(--gradient-main); color: #fff; font-weight: 700; font-size: 1rem;
  border: none; border-radius: 14px; cursor: pointer; text-decoration: none;
  transition: all 0.3s; font-family: 'Inter', sans-serif; position: relative; overflow: hidden;
}
.btn-primary::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent); opacity: 0; transition: opacity 0.3s; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px var(--glow-1); }
.btn-primary:hover::before { opacity: 1; }

.btn-secondary {
  display: inline-flex; align-items: center; gap: 0.5rem; padding: 1rem 2rem;
  background: rgba(255,255,255,0.05); color: var(--text-primary); font-weight: 600;
  font-size: 1rem; border: 1px solid var(--border); border-radius: 14px;
  cursor: pointer; text-decoration: none; transition: all 0.3s; font-family: 'Inter', sans-serif;
}
.btn-secondary:hover { background: rgba(255,255,255,0.1); border-color: var(--accent-1); transform: translateY(-2px); }

/* Hero Visual */
.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; animation: fadeInUp 0.8s ease 0.4s both; }
.coins-container { position: relative; width: 350px; height: 350px; }
.coins-glow { position: absolute; inset: -30px; background: radial-gradient(circle, var(--glow-1), transparent 70%); animation: coinsPulse 3s ease-in-out infinite; border-radius: 50%; }
@keyframes coinsPulse { 0%, 100% { opacity: 0.5; transform: scale(1); } 50% { opacity: 0.8; transform: scale(1.05); } }

.coins-visual {
  position: relative; z-index: 2; width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center; font-size: 8rem;
}
.coins-visual .main-emoji { animation: floatSlow 4s ease-in-out infinite; display: block; }
@keyframes floatSlow { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-15px); } }

.floating-badges { position: absolute; z-index: 3; }
.float-badge {
  position: absolute; background: var(--bg-card); backdrop-filter: blur(10px);
  border: 1px solid var(--border); border-radius: 12px; padding: 0.6rem 1rem;
  display: flex; align-items: center; gap: 0.5rem; font-size: 0.8rem;
  font-weight: 600; white-space: nowrap; animation: floatCard 4s ease-in-out infinite;
}
.float-badge:nth-child(1) { top: 5%; right: -30px; }
.float-badge:nth-child(2) { bottom: 25%; left: -50px; animation-delay: -1.5s; }
.float-badge:nth-child(3) { bottom: 0%; right: -15px; animation-delay: -3s; }
.float-badge .coin { color: var(--accent-3); }

@keyframes floatCard { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* Sections Common */
section { position: relative; z-index: 1; padding: 5rem 2rem; }
.section-header { text-align: center; max-width: 650px; margin: 0 auto 3.5rem; }
.section-label { display: inline-block; font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; color: var(--accent-1); margin-bottom: 1rem; }
.section-header h2 { font-size: 2.4rem; font-weight: 800; margin-bottom: 1rem; }
.section-header p { color: var(--text-secondary); font-size: 1.05rem; }

/* How it works */
.steps-container { max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; }
.step { display: flex; align-items: flex-start; gap: 2rem; position: relative; padding-bottom: 2.5rem; }
.step:last-child { padding-bottom: 0; }
.step-line { display: flex; flex-direction: column; align-items: center; }
.step-number { width: 50px; height: 50px; min-width: 50px; background: var(--gradient-main); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.2rem; }
.step-connector { width: 2px; flex: 1; min-height: 40px; background: linear-gradient(to bottom, var(--accent-1), transparent); }
.step-content h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.5rem; margin-top: 0.7rem; }
.step-content p { color: var(--text-secondary); font-size: 0.95rem; }

/* Stats */
.stats-section { background: linear-gradient(180deg, transparent, rgba(238,77,45,0.03), transparent); }
.stats-grid { max-width: 1000px; margin: 0 auto 3rem; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.stat-card {
  background: var(--bg-card); backdrop-filter: blur(10px); border: 1px solid var(--border);
  border-radius: 20px; padding: 2rem; text-align: center; transition: all 0.4s; position: relative; overflow: hidden;
}
.stat-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--gradient-main); transform: scaleX(0); transition: transform 0.4s; }
.stat-card:hover { transform: translateY(-5px); border-color: rgba(238,77,45,0.3); box-shadow: 0 20px 40px rgba(0,0,0,0.3); }
.stat-card:hover::before { transform: scaleX(1); }
.stat-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.stat-number { font-size: 2.5rem; font-weight: 900; background: var(--gradient-main); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { color: var(--text-secondary); font-size: 0.9rem; margin-top: 0.25rem; }

/* Top 3 Ranking */
.ranking-container { max-width: 800px; margin: 0 auto; }
.ranking-title { text-align: center; font-size: 1.5rem; font-weight: 800; margin-bottom: 2rem; }
.ranking-title span { background: var(--gradient-gold); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.ranking-list { display: flex; gap: 1.5rem; justify-content: center; flex-wrap: wrap; }
.ranking-card {
  background: var(--bg-card); backdrop-filter: blur(10px); border: 1px solid var(--border);
  border-radius: 20px; padding: 1.5rem 2rem; text-align: center; flex: 1; min-width: 200px; max-width: 260px;
  transition: all 0.4s; position: relative; overflow: hidden;
}
.ranking-card:hover { transform: translateY(-5px); border-color: rgba(255,215,0,0.3); box-shadow: 0 15px 35px rgba(0,0,0,0.3); }
.ranking-card.gold { border-color: rgba(255,215,0,0.3); }
.ranking-card.gold::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--gradient-gold); }
.ranking-medal { font-size: 2.5rem; margin-bottom: 0.5rem; }
.ranking-avatar { width: 50px; height: 50px; background: var(--gradient-main); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1rem; margin: 0 auto 0.75rem; }
.ranking-name { font-weight: 700; font-size: 1rem; margin-bottom: 0.25rem; }
.ranking-points { color: var(--accent-3); font-weight: 800; font-size: 1.1rem; }
.ranking-points-label { color: var(--text-muted); font-size: 0.8rem; }

/* Promotions */
.promos-wrapper { max-width: 1200px; margin: 0 auto; position: relative; }
.promos-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.5rem; }
.promo-card {
  background: var(--bg-card); backdrop-filter: blur(10px); border: 1px solid var(--border);
  border-radius: 20px; overflow: hidden; transition: all 0.4s; position: relative;
}
.promo-card:hover { transform: translateY(-5px); border-color: rgba(238,77,45,0.3); box-shadow: 0 20px 40px rgba(0,0,0,0.3); }
.promo-img { width: 100%; height: 180px; object-fit: cover; background: var(--bg-secondary); display: flex; align-items: center; justify-content: center; font-size: 4rem; }
.promo-body { padding: 1.25rem; }
.promo-name { font-weight: 700; font-size: 0.95rem; margin-bottom: 0.75rem; line-height: 1.4; min-height: 2.6em; }
.promo-prices { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.5rem; }
.promo-original { text-decoration: line-through; color: var(--text-muted); font-size: 0.9rem; }
.promo-discount { color: var(--accent-1); font-weight: 800; font-size: 1.2rem; }
.promo-points { display: inline-flex; align-items: center; gap: 0.3rem; background: rgba(255,215,0,0.1); border: 1px solid rgba(255,215,0,0.2); color: var(--accent-3); font-weight: 700; font-size: 0.8rem; padding: 0.3rem 0.7rem; border-radius: 100px; margin-bottom: 1rem; }
.promo-btn {
  display: block; width: 100%; padding: 0.75rem; background: var(--gradient-main);
  color: #fff; font-weight: 700; font-size: 0.9rem; border: none; border-radius: 12px;
  cursor: pointer; text-decoration: none; text-align: center; transition: all 0.3s; font-family: 'Inter', sans-serif;
}
.promo-btn:hover { box-shadow: 0 5px 20px var(--glow-1); transform: translateY(-1px); }
.promo-badge { position: absolute; top: 12px; left: 12px; background: var(--accent-1); color: #fff; font-weight: 700; font-size: 0.75rem; padding: 0.3rem 0.7rem; border-radius: 8px; }

/* Groups */
.groups-grid { max-width: 1000px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }
.group-card {
  background: var(--bg-card); backdrop-filter: blur(10px); border: 1px solid var(--border);
  border-radius: 20px; padding: 1.5rem; display: flex; align-items: center; gap: 1.25rem;
  transition: all 0.4s; cursor: pointer; text-decoration: none; color: inherit;
}
.group-card:hover { transform: translateY(-4px); border-color: rgba(37,211,102,0.4); box-shadow: 0 15px 35px rgba(0,0,0,0.3); }
.group-icon { width: 56px; height: 56px; min-width: 56px; background: var(--gradient-card); border: 1px solid var(--border); border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; }
.group-info { flex: 1; }
.group-name { font-weight: 700; font-size: 1rem; margin-bottom: 0.25rem; }
.group-members { color: var(--text-muted); font-size: 0.85rem; }
.group-join {
  padding: 0.5rem 1.2rem; background: rgba(37,211,102,0.15); border: 1px solid rgba(37,211,102,0.3);
  color: #25D366; font-weight: 700; font-size: 0.8rem; border-radius: 10px;
  transition: all 0.3s; white-space: nowrap;
}
.group-card:hover .group-join { background: #25D366; color: #fff; }

/* Withdraw */
.withdraw-grid { max-width: 800px; margin: 0 auto; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.withdraw-card {
  background: var(--bg-card); backdrop-filter: blur(10px); border: 1px solid var(--border);
  border-radius: 20px; padding: 2rem; text-align: center; transition: all 0.4s;
}
.withdraw-card:hover { transform: translateY(-5px); border-color: rgba(238,77,45,0.3); box-shadow: 0 15px 35px rgba(0,0,0,0.3); }
.withdraw-icon { font-size: 3rem; margin-bottom: 1rem; }
.withdraw-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.5rem; }
.withdraw-card p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.6; }

/* FAQ */
.faq-container { max-width: 750px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: 16px; margin-bottom: 1rem; overflow: hidden; transition: border-color 0.3s; }
.faq-item:hover { border-color: rgba(238,77,45,0.3); }
.faq-question {
  width: 100%; padding: 1.25rem 1.5rem; background: var(--bg-card); border: none;
  color: var(--text-primary); font-size: 1rem; font-weight: 600; text-align: left;
  cursor: pointer; display: flex; justify-content: space-between; align-items: center;
  font-family: 'Inter', sans-serif; transition: background 0.3s;
}
.faq-question:hover { background: rgba(255,255,255,0.03); }
.faq-question .arrow { transition: transform 0.3s; font-size: 1.2rem; color: var(--accent-1); }
.faq-item.open .faq-question .arrow { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; }
.faq-item.open .faq-answer { max-height: 300px; padding: 0 1.5rem 1.25rem; }
.faq-answer p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; }

/* CTA Banner */
.cta-banner { position: relative; z-index: 1; padding: 5rem 2rem; }
.cta-inner {
  max-width: 800px; margin: 0 auto; text-align: center;
  background: var(--bg-card); backdrop-filter: blur(20px); border: 1px solid var(--border);
  border-radius: 28px; padding: 4rem 3rem; position: relative; overflow: hidden;
}
.cta-inner::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--gradient-main); }
.cta-inner h2 { font-size: 2rem; font-weight: 800; margin-bottom: 1rem; }
.cta-inner p { color: var(--text-secondary); font-size: 1.05rem; margin-bottom: 2rem; max-width: 550px; margin-left: auto; margin-right: auto; }
.cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Footer */
.footer { position: relative; z-index: 1; padding: 2rem; border-top: 1px solid var(--border); }
.footer-inner { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-text { color: var(--text-muted); font-size: 0.85rem; }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { color: var(--text-secondary); text-decoration: none; font-size: 0.85rem; transition: color 0.3s; }
.footer-links a:hover { color: var(--accent-1); }

/* Scroll Reveal */
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero p { margin-left: auto; margin-right: auto; }
  .hero-cta { justify-content: center; }
  .hero-visual { order: -1; }
  .coins-container { width: 250px; height: 250px; }
  .float-badge { display: none; }
  .benefits-grid, .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(10,10,20,0.98); flex-direction: column; justify-content: center; align-items: center; gap: 2rem; z-index: 200; }
  .nav-links.open { display: flex; }
  .mobile-menu-btn { display: block; z-index: 201; }
  .hero { padding: 7rem 1.5rem 3rem; min-height: auto; }
  .hero h1 { font-size: 2.2rem; }
  .section-header h2 { font-size: 1.8rem; }
  section { padding: 3.5rem 1.5rem; }
  .stats-grid { grid-template-columns: 1fr; }
  .ranking-list { flex-direction: column; align-items: center; }
  .ranking-card { max-width: 100%; }
  .promos-grid { grid-template-columns: 1fr; }
  .groups-grid { grid-template-columns: 1fr; }
  .withdraw-grid { grid-template-columns: 1fr; }
  .cta-inner { padding: 2.5rem 1.5rem; }
  .cta-inner h2 { font-size: 1.5rem; }
  .footer-inner { flex-direction: column; text-align: center; }
  .step { gap: 1rem; }
}