* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background: #f8f9fa;
}

.main-container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 35px;
}

/* Navigation */
.navbar {
    background: linear-gradient(90deg, #1e3c72 0%, #2a5298 100%);
    padding: 18px 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    position: sticky;
    top: 0;
    z-index: 999;
}

.nav-container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 35px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    font-size: 30px;
    font-weight: 900;
    color: #fff;
    letter-spacing: 2px;
    text-shadow: 3px 3px 6px rgba(0,0,0,0.3);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 35px;
}

.nav-menu a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s;
    padding: 8px 15px;
    border-radius: 6px;
}

.nav-menu a:hover,
.nav-menu a.nav-active {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

/* Rewards Hero */
.rewards-hero {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    padding: 90px 35px;
    text-align: center;
    color: #fff;
}

.hero-wrapper h1 {
    font-size: 50px;
    font-weight: 900;
    margin-bottom: 18px;
    text-shadow: 3px 3px 8px rgba(0,0,0,0.3);
}

.hero-wrapper p {
    font-size: 21px;
    opacity: 0.95;
}

/* Bonus Highlight */
.bonus-highlight {
    padding: 70px 35px;
    background: #fff;
}

.highlight-card {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    padding: 50px;
    color: #fff;
    box-shadow: 0 15px 40px rgba(102,126,234,0.3);
}

.highlight-image img {
    width: 100%;
    border-radius: 15px;
}

.bonus-label {
    display: inline-block;
    background: rgba(255,255,255,0.3);
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 20px;
}

.highlight-content h2 {
    font-size: 36px;
    margin-bottom: 12px;
    font-weight: 800;
}

.highlight-content h3 {
    font-size: 28px;
    margin-bottom: 25px;
    color: #ffd700;
}

.bonus-features {
    list-style: none;
    margin-bottom: 30px;
}

.bonus-features li {
    font-size: 17px;
    margin-bottom: 12px;
    padding-left: 5px;
}

.claim-button {
    padding: 16px 45px;
    background: #fff;
    color: #667eea;
    border: none;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 6px 20px rgba(255,255,255,0.3);
}

.claim-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255,255,255,0.4);
}


/* Rewards Grid */
.rewards-grid-section {
    padding: 70px 35px;
}

.section-title {
    text-align: center;
    margin-bottom: 55px;
}

.section-title h2 {
    font-size: 42px;
    font-weight: 800;
    color: #1e3c72;
    margin-bottom: 12px;
}

.section-title p {
    font-size: 18px;
    color: #7f8c8d;
}

.section-title.light h2 {
    color: #fff;
}

.section-title.light p {
    color: rgba(255,255,255,0.9);
}

.rewards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;
}

.reward-item {
    background: #fff;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.reward-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.reward-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 25px;
    border-radius: 50%;
    overflow: hidden;
}

.reward-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.reward-item h3 {
    font-size: 24px;
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: 700;
}

.reward-item p {
    color: #7f8c8d;
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 25px;
}

.reward-btn {
    padding: 12px 35px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
}

.reward-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245,87,108,0.4);
}

/* VIP Section */
.vip-section {
    padding: 70px 35px;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
}

.vip-tiers {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.tier-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    padding: 35px 25px;
    border-radius: 15px;
    text-align: center;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.2);
    transition: all 0.3s;
}

.tier-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255,255,255,0.5);
}

.tier-badge {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 13px;
    font-weight: 800;
    margin-bottom: 20px;
}

.bronze .tier-badge {
    background: linear-gradient(135deg, #cd7f32 0%, #b87333 100%);
}

.silver .tier-badge {
    background: linear-gradient(135deg, #c0c0c0 0%, #a8a8a8 100%);
}

.gold .tier-badge {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    color: #2c3e50;
}

.platinum .tier-badge {
    background: linear-gradient(135deg, #e5e4e2 0%, #b9f2ff 100%);
    color: #2c3e50;
}

.tier-card h3 {
    font-size: 22px;
    margin-bottom: 20px;
    font-weight: 700;
}

.tier-benefits {
    list-style: none;
    margin-bottom: 25px;
    text-align: left;
}

.tier-benefits li {
    margin-bottom: 10px;
    font-size: 14px;
    padding-left: 5px;
}

.tier-requirement {
    font-size: 13px;
    opacity: 0.85;
    font-weight: 600;
}


/* Referral Section */
.referral-section {
    padding: 70px 35px;
    background: #fff;
}

.referral-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
    align-items: center;
}

.referral-info h2 {
    font-size: 40px;
    color: #1e3c72;
    margin-bottom: 18px;
    font-weight: 800;
}

.referral-info > p {
    font-size: 18px;
    color: #7f8c8d;
    margin-bottom: 35px;
}

.referral-steps {
    margin-bottom: 35px;
}

.step {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 800;
    flex-shrink: 0;
}

.step p {
    font-size: 16px;
    color: #2c3e50;
    font-weight: 600;
}

.referral-button {
    padding: 16px 45px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.3s;
}

.referral-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(245,87,108,0.4);
}

.referral-visual img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

/* Terms Section */
.terms-section {
    padding: 50px 35px;
    background: #ecf0f1;
}

.terms-section h3 {
    font-size: 24px;
    color: #1e3c72;
    margin-bottom: 15px;
    font-weight: 700;
}

.terms-section p {
    color: #7f8c8d;
    font-size: 15px;
    line-height: 1.8;
}

/* Footer */
.site-footer {
    background: #1a1a2e;
    color: #fff;
    padding: 60px 35px 25px;
}

.footer-container {
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #ff6b6b;
    font-weight: 700;
}

.footer-column p {
    color: #bdc3c7;
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 10px;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 12px;
    color: #bdc3c7;
}

.footer-column ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s;
    font-size: 15px;
}

.footer-column ul li a:hover {
    color: #ff6b6b;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 25px;
    text-align: center;
}

.footer-bottom p {
    color: #95a5a6;
    font-size: 14px;
}


/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .brand {
        font-size: 24px;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
    }
    
    .nav-menu a {
        font-size: 13px;
        padding: 6px 12px;
    }
    
    .hero-wrapper h1 {
        font-size: 36px;
    }
    
    .hero-wrapper p {
        font-size: 17px;
    }
    
    .highlight-card {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 35px;
    }
    
    .highlight-content h2 {
        font-size: 30px;
    }
    
    .highlight-content h3 {
        font-size: 24px;
    }
    
    .section-title h2 {
        font-size: 32px;
    }
    
    .rewards-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .vip-tiers {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .referral-content {
        grid-template-columns: 1fr;
        gap: 35px;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .brand {
        font-size: 20px;
    }
    
    .nav-menu a {
        font-size: 12px;
        padding: 5px 10px;
    }
    
    .hero-wrapper h1 {
        font-size: 28px;
    }
    
    .hero-wrapper p {
        font-size: 15px;
    }
    
    .highlight-card {
        padding: 25px;
    }
    
    .highlight-content h2 {
        font-size: 26px;
    }
    
    .highlight-content h3 {
        font-size: 20px;
    }
    
    .bonus-features li {
        font-size: 15px;
    }
    
    .claim-button,
    .referral-button {
        padding: 14px 35px;
        font-size: 16px;
    }
    
    .section-title h2 {
        font-size: 26px;
    }
    
    .reward-item h3 {
        font-size: 20px;
    }
    
    .referral-info h2 {
        font-size: 30px;
    }
}