/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    background: radial-gradient(ellipse at center, rgba(0, 212, 170, 0.1) 0%, transparent 70%);
    position: relative;
    margin-top: 60px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(0,212,170,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.referral-code {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    padding: 1rem 1.5rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.referral-code::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.referral-code h3 {
    color: var(--background-dark);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.code {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--background-dark);
    letter-spacing: 2px;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--background-dark);
    box-shadow: 0 10px 30px var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px var(--shadow-glow);
    background: var(--primary-dark);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(0, 212, 170, 0.1);
    border-color: var(--primary-color);
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-chart {
    width: 100%;
    max-width: 500px;
    height: 400px;
    background: var(--background-card);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.live-price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
}

.price-change {
    font-size: 1rem;
    font-weight: 600;
}

.chart-placeholder {
    flex: 1;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1), rgba(0, 212, 170, 0.05));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.chart-line {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    height: 2px;
    background: var(--primary-color);
    animation: chartGrow 2s ease-out;
}

@keyframes chartGrow {
    0% { width: 0; }
    100% { width: calc(100% - 40px); }
}