/* ===== Global Reset & Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background: #fafafa;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Header ===== */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.logo i {
    font-size: 2rem;
    color: #ffd700;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

/* ===== Hero Section ===== */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 4rem 0;
    color: white;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffd700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.8;
}

/* ===== Section Styles ===== */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== About Section ===== */
.about-section {
    padding: 5rem 0;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: #f8f9ff;
    border-radius: 12px;
    border-left: 4px solid #667eea;
}

.feature i {
    color: #667eea;
    font-size: 1.25rem;
}

/* ===== Investment Plans ===== */
.plans-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.plan-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.plan-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.plan-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.plan-card.featured {
    border: 2px solid #ffd700;
    transform: scale(1.05);
}

.plan-card.featured::before {
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    height: 6px;
}

.plan-card.premium::before {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
}

.plan-header {
    text-align: center;
    margin-bottom: 1.5rem;
    position: relative;
}

.plan-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: white;
    font-size: 1.5rem;
}

.featured .plan-icon {
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    color: #333;
}

.premium .plan-icon {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
}

.plan-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.plan-badge {
    display: inline-block;
    background: #667eea;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.featured-badge {
    background: #ffd700;
    color: #333;
}

.premium-badge {
    background: #ff6b6b;
}

.plan-return {
    text-align: center;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #f8f9ff;
    border-radius: 15px;
}

.return-rate {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: #667eea;
    line-height: 1;
}

.return-period {
    font-size: 1rem;
    color: #666;
    margin-top: 0.5rem;
}

.plan-details {
    margin-bottom: 2rem;
}

.detail {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid #eee;
}

.detail:last-child {
    border-bottom: none;
}

.detail i {
    color: #667eea;
    width: 20px;
}

.plan-btn {
    width: 100%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.plan-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.featured .plan-btn {
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    color: #333;
}

.premium .plan-btn {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
}

/* ===== Payment Section ===== */
.payment-section {
    padding: 5rem 0;
}

.payment-card {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.payment-method {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.payment-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #f7931e, #ffb74d);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    flex-shrink: 0;
}

.payment-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.payment-info p {
    color: #666;
    margin-bottom: 1.5rem;
}

.address-container label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #333;
}

.address-box {
    display: flex;
    background: #f8f9ff;
    border: 2px solid #e1e5f2;
    border-radius: 12px;
    overflow: hidden;
}

.address-box code {
    flex: 1;
    padding: 1rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    background: transparent;
    border: none;
    word-break: break-all;
}

.copy-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.copy-btn:hover {
    background: #5a67d8;
}

/* ===== Contact Section ===== */
.contact-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.contact-section .section-title,
.contact-section .section-subtitle {
    color: white;
}

.contact-card {
    max-width: 600px;
    margin: 0 auto;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2.5rem;
    border: 1px solid rgba(255,255,255,0.2);
}

.contact-method {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: #25d366;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.contact-info p {
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: #25d366;
    color: white;
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.contact-btn:hover {
    background: #128c7e;
    transform: translateY(-2px);
}

/* ===== Footer ===== */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-logo i {
    color: #ffd700;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: #ffd700;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #ffd700;
}

.footer-section p {
    color: #ccc;
    margin-bottom: 0.5rem;
}

.footer-section i {
    color: #ffd700;
    margin-right: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #333;
    color: #999;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .nav {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .nav-wrapper {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .payment-method,
    .contact-method {
        flex-direction: column;
        text-align: center;
    }
    
    .plan-card.featured {
        transform: none;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .plans-grid {
        grid-template-columns: 1fr;
    }
    
    .plan-card {
        padding: 1.5rem;
    }
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.plan-card {
    animation: fadeInUp 0.6s ease forwards;
}

.plan-card:nth-child(2) {
    animation-delay: 0.1s;
}

.plan-card:nth-child(3) {
    animation-delay: 0.2s;
}

.plan-card:nth-child(4) {
    animation-delay: 0.3s;
}