/* ===================================
   How It Works Section
   =================================== */

.how-it-works {
    background: var(--bg-primary);
}

/* Tabs */
.tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    background: var(--bg-secondary);
    padding: 0.5rem;
    border-radius: var(--border-radius);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.tab-btn {
    flex: 1;
    padding: 0.875rem 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: transparent;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-base);
    font-size: 1rem;
}

.tab-btn.active {
    background: var(--primary-green);
    color: white;
    box-shadow: var(--shadow-sm);
}

.tab-btn:hover:not(.active) {
    background: var(--bg-tertiary);
}

/* Tab Content */
.tab-content {
    animation: fadeIn 0.4s ease-out;
}

/* Steps */
.steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .steps {
        grid-template-columns: repeat(3, 1fr);
    }
}

.step-card {
    position: relative;
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    transition: all var(--transition-base);
    animation: fadeInUp 0.6s ease-out backwards;
}

.step-card:nth-child(1) {
    animation-delay: 0.1s;
}

.step-card:nth-child(2) {
    animation-delay: 0.2s;
}

.step-card:nth-child(3) {
    animation-delay: 0.3s;
}

.step-card:hover {
    border-color: var(--primary-green);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.step-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-green-light), var(--primary-green-light));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--primary-green);
    transition: all var(--transition-base);
}

.step-card:hover .step-icon {
    background: linear-gradient(135deg, var(--primary-green), var(--accent-teal));
    color: white;
    transform: scale(1.1);
}

.step-number {
    position: absolute;
    top: -16px;
    right: var(--spacing-md);
    width: 36px;
    height: 36px;
    background: var(--primary-green);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
    box-shadow: var(--shadow-md);
}

.step-title {
    font-size: 1.375rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.step-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .tabs {
        max-width: 100%;
    }
    
    .tab-btn {
        padding: 0.75rem 1rem;
        font-size: 0.9375rem;
    }
    
    .step-card {
        padding: var(--spacing-lg);
    }
}